* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
}

:root {
    --primary-color: #00d4aa;
    --primary-dark: #00b894;
    --primary-light: #00f5d4;
    --bg-dark: #000000;
    --bg-darker: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(0, 212, 170, 0.2);
    --gradient-1: linear-gradient(135deg, #00d4aa 0%, #00b894 100%);
    --gradient-2: linear-gradient(135deg, #00d4aa 0%, #00f5d4 100%);
}

body {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

body.no-scroll {
    overflow: hidden;
}

body.loading {
    overflow: hidden;
}

/* Ensure page content is visible even during loading */
body.loading .navbar {
    opacity: 1;
    visibility: visible;
}

/* Smooth page content fade-in - optimized */
body.loading .hero,
body.loading .features,
body.loading .versions,
body.loading .download,
body.loading .contact-pro,
body.loading .footer {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: opacity, transform;
}

body:not(.loading) .hero,
body:not(.loading) .features,
body:not(.loading) .versions,
body:not(.loading) .download,
body:not(.loading) .contact-pro,
body:not(.loading) .footer {
    opacity: 1 !important;
    transform: translateY(0) !important;
    pointer-events: auto;
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Page Loader */
.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none !important;
    transform: scale(0.95);
}

/* Smooth page content fade-in */
.hero,
.features,
.versions,
.download,
.contact-pro,
.footer {
    opacity: 0;
    transform: translateY(15px) translateZ(0);
    transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

body:not(.loading) .hero,
body:not(.loading) .features,
body:not(.loading) .versions,
body:not(.loading) .download,
body:not(.loading) .contact-pro,
body:not(.loading) .footer {
    opacity: 1;
    transform: translateY(0) translateZ(0);
}

/* Scroll wheel animation - CSS only for better performance */
@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0.3;
        transform: translateY(8px);
    }
}

/* Loader styles - 只保留logo动画，完全居中 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                visibility 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: scale(1) translateZ(0);
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Logo容器 - 完全居中 */
.loader-logo-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    width: 100%;
    height: 100%;
}

.loader-logo-wrapper {
    position: relative;
    width: 600px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 三个图片的通用样式 - 固定容器大小，使用object-fit确保内容一致 */
.loader-logo-part {
    position: absolute;
    width: 180px;
    height: 180px;
    object-fit: contain;
    object-position: center;
    filter: drop-shadow(0 0 30px rgba(0, 255, 150, 0.5));
    transform-origin: center center;
}

/* MDB.PNG - 先出现，往左平移，然后往中间移动 */
.loader-logo-mdb {
    opacity: 0;
    transform: translateX(0) scale(1);
    animation: mdbMove 2.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* mdb-words.png - 同时出现，往右平移，然后往中间移动并渐变消失 */
.loader-logo-words {
    opacity: 0;
    transform: translateX(0) scale(1);
    animation: wordsMove 2.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 动画关键帧 - 2.5秒，logo移动到位置后停顿 */
@keyframes mdbMove {
    /* 0-20%: 从中心出现（淡入） */
    0% {
        opacity: 0;
        transform: translateX(0) scale(1);
    }
    20% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
    /* 20-50%: 往左平移 */
    50% {
        opacity: 1;
        transform: translateX(-80px) scale(1);
    }
    /* 50-100%: 停顿在左边（保持位置） */
    100% {
        opacity: 1;
        transform: translateX(-80px) scale(1);
    }
}

@keyframes wordsMove {
    /* 0-20%: 保持隐藏 */
    0%, 20% {
        opacity: 0;
        transform: translateX(0) scale(1);
    }
    /* 20-50%: 往右平移，同时渐变出现 */
    50% {
        opacity: 1;
        transform: translateX(80px) scale(1);
    }
    /* 50-100%: 保持在右边（保持位置） */
    100% {
        opacity: 1;
        transform: translateX(80px) scale(1);
    }
}

/* 响应式设计 - 平板和移动设备 */
@media (max-width: 768px) {
    .loader-logo-wrapper {
        width: 100%;
        max-width: 500px;
        height: 150px;
        padding: 0 20px;
    }

    .loader-logo-part {
        width: 120px;
        height: 120px;
    }

    @keyframes mdbMove {
        0% {
            opacity: 0;
            transform: translateX(0) scale(1);
        }
        20% {
            opacity: 1;
            transform: translateX(0) scale(1);
        }
        50% {
            opacity: 1;
            transform: translateX(-50px) scale(1);
        }
        100% {
            opacity: 1;
            transform: translateX(-50px) scale(1);
        }
    }

    @keyframes wordsMove {
        0%, 20% {
            opacity: 0;
            transform: translateX(0) scale(1);
        }
        50% {
            opacity: 1;
            transform: translateX(50px) scale(1);
        }
        100% {
            opacity: 1;
            transform: translateX(50px) scale(1);
        }
    }
}

/* 响应式设计 - 小屏手机 */
@media (max-width: 480px) {
    .loader-logo-wrapper {
        width: 100%;
        max-width: 100%;
        height: 120px;
        padding: 0 15px;
    }

    .loader-logo-part {
        width: 100px;
        height: 100px;
    }

    @keyframes mdbMove {
        0% {
            opacity: 0;
            transform: translateX(0) scale(1);
        }
        20% {
            opacity: 1;
            transform: translateX(0) scale(1);
        }
        50% {
            opacity: 1;
            transform: translateX(-40px) scale(1);
        }
        100% {
            opacity: 1;
            transform: translateX(-40px) scale(1);
        }
    }

    @keyframes wordsMove {
        0%, 20% {
            opacity: 0;
            transform: translateX(0) scale(1);
        }
        50% {
            opacity: 1;
            transform: translateX(40px) scale(1);
        }
        100% {
            opacity: 1;
            transform: translateX(40px) scale(1);
        }
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 170, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
    animation: navbarSlideDown 0.6s ease-out;
}

@keyframes navbarSlideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, 
        rgba(0, 212, 170, 0.05) 0%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.navbar:hover::before {
    opacity: 1;
}

.nav-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-container::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 170, 0.1) 20%, 
        rgba(0, 212, 170, 0.3) 50%, 
        rgba(0, 212, 170, 0.1) 80%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar:hover .nav-container::after {
    opacity: 1;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: logoFadeIn 0.6s ease-out;
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

@keyframes logoFadeIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    position: relative;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.6));
    transition: all 0.3s ease;
}

.logo-text::before {
    content: 'MDB PRIME';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-weight: 900;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(12px);
    opacity: 0.7;
    z-index: -1;
    animation: logoGlow 2s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.03);
    }
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin-left: auto;
    margin-right: 2rem;
    position: relative;
}

.nav-links .nav-link {
    animation: navLinkFadeIn 0.6s ease-out backwards;
}

.nav-links .nav-link:nth-child(1) {
    animation-delay: 0.1s;
}

.nav-links .nav-link:nth-child(2) {
    animation-delay: 0.2s;
}

.nav-links .nav-link:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes navLinkFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    overflow: hidden;
    transform: translateY(0);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 212, 170, 0.1), 
        transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color), 
        transparent);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px var(--primary-color);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(0, 212, 170, 0.5);
}

.nav-link:active {
    transform: translateY(0);
}

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link.active::before {
    background: rgba(0, 212, 170, 0.1);
    left: 0;
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

.nav-link[data-i18n="nav.mdbprime"],
.nav-link[href*="mdb-prime"] {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-weight: 900;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    position: relative;
    padding: 0.3rem 0.8rem;
    border-radius: 8px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 8px rgba(0, 212, 170, 0.5));
    overflow: visible;
}

.nav-link[data-i18n="nav.mdbprime"]::before,
.nav-link[href*="mdb-prime"]::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 10px;
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.2), 
        rgba(0, 255, 212, 0.1), 
        rgba(0, 212, 170, 0.2));
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    z-index: -1;
    transform: scale(0.9);
}

.nav-link[data-i18n="nav.mdbprime"]:hover::before,
.nav-link[href*="mdb-prime"]:hover::before {
    opacity: 1;
    transform: scale(1);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 212, 170, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 212, 170, 0.6);
    }
}

.nav-link[data-i18n="nav.mdbprime"]:hover,
.nav-link[href*="mdb-prime"]:hover {
    filter: drop-shadow(0 0 12px rgba(0, 212, 170, 0.8));
    transform: translateY(-3px) scale(1.05);
}

.nav-link[data-i18n="nav.mdbprime"]:active,
.nav-link[href*="mdb-prime"]:active {
    transform: translateY(-1px) scale(1.02);
}

.nav-link[data-i18n="nav.mdbprime"]::after,
.nav-link[href*="mdb-prime"]::after {
    display: none;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    animation: navRightFadeIn 0.6s ease-out 0.4s backwards;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
    transition: all 0.3s ease;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    box-shadow: 0 0 8px rgba(0, 212, 170, 0.4);
}

.mobile-menu-toggle:hover span {
    background: var(--primary-light);
    box-shadow: 0 0 12px rgba(0, 212, 170, 0.6);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

@keyframes navRightFadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.nav-link.web-version {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    background: transparent;
    margin-left: 0;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link.web-version::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary-color);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.nav-link.web-version:hover::before {
    width: 300px;
    height: 300px;
}

.nav-link.web-version:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.4);
}

.nav-link.web-version:active {
    transform: translateY(0);
}

.nav-link.web-version::after {
    display: none;
}

.language-switcher {
    margin-right: 0;
    padding-right: 1rem;
    border-right: 1px solid rgba(0, 212, 170, 0.2);
    position: relative;
    transition: all 0.3s ease;
}

.language-switcher-wrapper {
    position: relative;
    display: inline-block;
}

.language-switcher::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: linear-gradient(180deg, 
        transparent, 
        rgba(0, 212, 170, 0.3), 
        transparent);
    transition: height 0.3s ease;
}

.language-switcher:hover::after {
    height: 80%;
}

.lang-select {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 20, 20, 0.7) 100%);
    border: 1.5px solid rgba(0, 212, 170, 0.4);
    color: var(--text-primary);
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    min-width: 75px;
    width: 75px;
    position: relative;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    background-image: none;
    text-align: center;
    text-align-last: center;
    line-height: 1.5;
    display: block;
}

.lang-select::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.5), rgba(0, 255, 212, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.lang-select:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(0, 20, 20, 0.4) 100%);
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3), 
                0 0 0 1px rgba(0, 212, 170, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px) scale(1.02);
}

.lang-select:hover::before {
    opacity: 1;
}

.lang-select:focus {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(0, 20, 20, 0.5) 100%);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.25),
                0 4px 20px rgba(0, 212, 170, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.lang-select:focus::before {
    opacity: 1;
}

/* 自定义下拉菜单样式 */
.custom-lang-select {
    position: relative;
    display: inline-block;
    z-index: 1001;
}

.lang-select-trigger {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 20, 20, 0.7) 100%);
    border: 1.5px solid rgba(0, 212, 170, 0.4);
    color: var(--text-primary);
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 75px;
    width: 75px;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-align: center;
    line-height: 1.5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.lang-select-trigger::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.5), rgba(0, 255, 212, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

.lang-select-trigger:hover::before,
.custom-lang-select.active .lang-select-trigger::before {
    opacity: 1;
}

.lang-select-trigger:hover,
.custom-lang-select.active .lang-select-trigger {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(0, 20, 20, 0.4) 100%);
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3), 
                0 0 0 1px rgba(0, 212, 170, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px) scale(1.02);
}

.lang-select-value {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    display: block;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    word-break: keep-all;
}

.lang-select-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(5, 5, 5, 0.98);
    border: 1.5px solid rgba(0, 212, 170, 0.4);
    border-radius: 10px;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8),
                0 0 0 1px rgba(0, 212, 170, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.05),
                0 0 20px rgba(0, 212, 170, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10000;
    overflow: hidden;
    min-width: 75px;
    padding: 0.4rem 0.3rem;
    pointer-events: none;
}

.custom-lang-select.active .lang-select-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.lang-option {
    padding: 0.75rem 1rem 0.75rem 1.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.85rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 42px;
    margin: 0.15rem 0.2rem;
    border-radius: 6px;
    white-space: nowrap;
    word-break: keep-all;
}

.lang-option:not(:last-child) {
    border-bottom: 1px solid rgba(0, 212, 170, 0.1);
    margin-bottom: 0.1rem;
    padding-bottom: 0.85rem;
}

.lang-option::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, 
        rgba(0, 212, 170, 0.8) 0%, 
        rgba(0, 255, 212, 0.9) 50%,
        rgba(0, 212, 170, 0.8) 100%);
    border-radius: 0 2px 2px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px rgba(0, 212, 170, 0.6);
}

.lang-option::after {
    content: '✓';
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%) scale(0);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    text-shadow: 0 0 6px rgba(0, 212, 170, 0.8);
}

.lang-option:hover {
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.12) 0%, 
        rgba(0, 255, 212, 0.06) 100%);
    color: var(--primary-color);
    font-weight: 600;
    transform: translateX(3px);
    padding-left: 1.5rem;
}

.lang-option:hover::before {
    transform: translateY(-50%) scaleY(1);
    height: 70%;
}

.lang-option.selected {
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.2) 0%, 
        rgba(0, 255, 212, 0.12) 100%);
    color: var(--primary-color);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 212, 170, 0.6);
    box-shadow: inset 0 0 15px rgba(0, 212, 170, 0.1),
                0 0 20px rgba(0, 212, 170, 0.15);
    padding-left: 1.5rem;
}

.lang-option.selected::before {
    transform: translateY(-50%) scaleY(1);
    height: 75%;
    width: 3px;
}

.lang-option.selected::after {
    transform: translateY(-50%) scale(1);
    opacity: 1;
    left: 0.5rem;
}

/* 原生 select 隐藏但保持功能 */
.lang-select[style*="display: none"] {
    display: none !important;
}

/* 下拉菜单打开时的样式增强 */
.lang-select:focus {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(0, 20, 20, 0.5) 100%);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.25),
                0 4px 20px rgba(0, 212, 170, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* 下拉菜单选项容器样式 - 通过伪元素增强视觉效果 */
.language-switcher::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 212, 170, 0.5), 
        transparent);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1001;
}

.lang-select:focus ~ .language-switcher::after,
.language-switcher:hover .lang-select:focus ~ .language-switcher::after {
    width: 100%;
    opacity: 1;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(0, 212, 170, 0.3);
    color: var(--text-secondary);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-btn.active {
    background: var(--gradient-1);
    border-color: var(--primary-color);
    color: var(--bg-dark);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
    background: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.05) 0%, transparent 70%);
}

.hero-waves {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.light-trails {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.trail {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 212, 170, 0.8), 0 0 20px rgba(0, 212, 170, 0.6);
    opacity: 0;
}

.trail::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: trailGlow 2s ease-in-out infinite;
}

.trail-1 {
    top: 20%;
    left: 15%;
    animation: trailMove1 8s ease-in-out infinite;
}

.trail-2 {
    top: 60%;
    right: 20%;
    animation: trailMove2 10s ease-in-out infinite;
}

.trail-3 {
    bottom: 30%;
    left: 30%;
    animation: trailMove3 12s ease-in-out infinite;
}

.trail-4 {
    top: 40%;
    right: 35%;
    animation: trailMove4 9s ease-in-out infinite;
}

@keyframes trailMove1 {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    50% {
        transform: translate(200px, 150px);
        opacity: 0.8;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(400px, 300px);
        opacity: 0;
    }
}

@keyframes trailMove2 {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    50% {
        transform: translate(-180px, -120px);
        opacity: 0.8;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(-350px, -250px);
        opacity: 0;
    }
}

@keyframes trailMove3 {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    50% {
        transform: translate(150px, -180px);
        opacity: 0.8;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(300px, -350px);
        opacity: 0;
    }
}

@keyframes trailMove4 {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    50% {
        transform: translate(-120px, 200px);
        opacity: 0.8;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(-250px, 400px);
        opacity: 0;
    }
}

@keyframes trailGlow {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(100px);
    animation: pulseGlow 4s ease-in-out infinite;
    z-index: 1;
}

@keyframes pulseGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.hero-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: 1;
}

.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(0, 212, 170, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 600px;
    height: 600px;
    animation: rotateRing 20s linear infinite;
}

.ring-2 {
    width: 800px;
    height: 800px;
    animation: rotateRing 25s linear infinite reverse;
}

.ring-3 {
    width: 1000px;
    height: 1000px;
    animation: rotateRing 30s linear infinite;
}

@keyframes rotateRing {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.hero-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
}

.line-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 3s ease-in-out infinite;
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    z-index: 10;
    position: relative;
    padding: 0 1rem;
    margin: 0 auto;
}

.hero-text {
    z-index: 10;
    position: relative;
    opacity: 1;
    visibility: visible;
}

/* Ensure hero section is visible by default */
.hero {
    opacity: 1;
    visibility: visible;
}

body.loading .hero {
    opacity: 0;
    visibility: visible;
}

.hero-badge {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.badge-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.3) 0%, transparent 70%);
    animation: badgeGlow 3s ease-in-out infinite;
}

@keyframes badgeGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
}

.hero-title {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 6.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.4));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.title-word {
    position: relative;
    display: inline-block;
    margin-right: 1rem;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
}

.word-text {
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-weight: 900;
    letter-spacing: 0.15em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transform: translateZ(0);
    will-change: background-position, filter;
    filter: none;
}

.word-text span {
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.title-main {
    display: flex;
    gap: 1rem;
    position: relative;
    z-index: 2;
}


.title-word::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 170, 0.3) 50%, 
        transparent 100%);
    z-index: 3;
    transform: skewX(-20deg);
    transition: left 0.6s ease;
    pointer-events: none;
}

.title-word.scan-complete::before {
    animation: scanLine 2s ease-in-out infinite;
}

.title-word::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-weight: 900;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(8px);
    opacity: 0.15;
    z-index: -1;
    transform: translateZ(0);
    will-change: filter, opacity;
    animation: hologramGlow 3s ease-in-out infinite;
}

@keyframes scanLine {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes hologramGlow {
    0%, 100% {
        opacity: 0.1;
        filter: blur(8px);
        transform: translateY(0) translateX(0);
    }
    25% {
        opacity: 0.2;
        filter: blur(6px);
        transform: translateY(-1px) translateX(1px);
    }
    50% {
        opacity: 0.15;
        filter: blur(10px);
        transform: translateY(0) translateX(0);
    }
    75% {
        opacity: 0.2;
        filter: blur(6px);
        transform: translateY(1px) translateX(-1px);
    }
}

@keyframes techPulse {
    0%, 100% {
        text-shadow: 0 0 10px rgba(0, 212, 170, 0.3),
                     0 0 20px rgba(0, 212, 170, 0.2),
                     0 0 30px rgba(0, 212, 170, 0.1);
    }
    50% {
        text-shadow: 0 0 20px rgba(0, 212, 170, 0.6),
                     0 0 40px rgba(0, 212, 170, 0.4),
                     0 0 60px rgba(0, 212, 170, 0.2);
    }
}

/* Add tech pulse effect to completed words */
.title-word.scan-complete .word-text {
    animation: gradientShift 4s ease infinite, techPulse 2s ease-in-out infinite;
}

.title-word:nth-child(1) {
    animation-delay: 0.2s;
}

.title-word:nth-child(2) {
    animation-delay: 0.4s;
}

@keyframes titleReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title-glitch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: glitch 3s infinite;
    z-index: 1;
}

@keyframes glitch {
    0%, 90%, 100% {
        opacity: 0;
        transform: translate(0);
    }
    92% {
        opacity: 0.8;
        transform: translate(-2px, 2px);
    }
    94% {
        opacity: 0.8;
        transform: translate(2px, -2px);
    }
    96% {
        opacity: 0.8;
        transform: translate(-2px, -2px);
    }
}

.hero-subtitle-wrapper {
    margin-bottom: 3rem;
    min-height: 2rem;
}

.hero-subtitle {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    letter-spacing: 0;
    line-height: 1.6;
}

.subtitle-line {
    opacity: 1;
    transform: translateY(0);
    animation: subtitleReveal 0.6s ease-out forwards;
    animation-fill-mode: both;
}

.subtitle-line:nth-child(1) { animation-delay: 0.6s; }
.subtitle-line:nth-child(3) { animation-delay: 0.8s; }
.subtitle-line:nth-child(5) { animation-delay: 1s; }
.subtitle-line:nth-child(7) { animation-delay: 1.2s; }

.subtitle-separator {
    color: var(--primary-color);
    opacity: 1;
    animation: subtitleReveal 0.6s ease-out forwards;
}

.subtitle-separator:nth-child(2) { animation-delay: 0.7s; }
.subtitle-separator:nth-child(4) { animation-delay: 0.9s; }
.subtitle-separator:nth-child(6) { animation-delay: 1.1s; }

@keyframes subtitleReveal {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(0, 212, 170, 0.1);
    border-bottom: 1px solid rgba(0, 212, 170, 0.1);
}

.stat-item {
    text-align: center;
    opacity: 1;
    transform: translateY(0);
    animation: statReveal 0.8s ease-out forwards;
}

.stat-item:nth-child(1) { animation-delay: 0.2s; }
.stat-item:nth-child(2) { animation-delay: 0.4s; }
.stat-item:nth-child(3) { animation-delay: 0.6s; }

@keyframes statReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-number {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.stat-label {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    opacity: 1;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.btn-glow {
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
    animation: buttonGlow 2s ease-in-out infinite;
}

@keyframes buttonGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 170, 0.8);
    }
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.6);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    background: transparent;
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline:hover::before {
    left: 0;
}

.btn-outline:hover {
    color: var(--bg-dark);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 500px;
    opacity: 1;
    perspective: 2000px;
    transform-style: preserve-3d;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kangaroo-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}

.kangaroo-canvas {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 100%;
    max-height: 800px;
    aspect-ratio: 1;
    z-index: 2;
    filter: drop-shadow(0 0 40px rgba(0, 212, 170, 0.6));
}

.kangaroo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    max-width: 600px;
    height: 85%;
    max-height: 600px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.3) 0%, rgba(0, 184, 148, 0.2) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: kangarooGlow 4s ease-in-out infinite;
    z-index: 1;
}

.kangaroo-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    max-width: 500px;
    height: 70%;
    max-height: 500px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(0, 245, 212, 0.4) 0%, transparent 60%);
}

/* Trading Currency Display - Card Shuffle */
.trading-currency-display {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1200px;
    overflow: hidden;
}

/* Card Shuffle Container */
.card-shuffle-container {
    position: relative;
    width: 400px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    outline: none;
}

/* Currency Card - Shuffle Style */
.currency-card-shuffle {
    position: absolute;
    width: 320px;
    height: 420px;
    transform-style: preserve-3d;
    transform-origin: center center;
    cursor: pointer;
    will-change: transform, opacity, z-index;
    /* Dynamic z-index based on position */
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
    /* Initial position - off screen to the left */
    transform: translateX(-600px) translateY(0) rotateY(-20deg) rotateZ(-8deg) scale(0.7);
    left: 50%;
    top: 50%;
    margin-left: -160px; /* Half of card width */
    margin-top: -210px; /* Half of card height */
}

/* Card Shuffle Animation - Smooth uniform flow from left to right */
@keyframes cardShuffle {
    0% {
        transform: translateX(-600px) translateY(0) rotateY(-20deg) rotateZ(-8deg) scale(0.7);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    45% {
        transform: translateX(-20px) translateY(0) rotateY(-2deg) rotateZ(-1deg) scale(0.98);
    }
    50% {
        transform: translateX(0) translateY(0) rotateY(0deg) rotateZ(0deg) scale(1);
    }
    55% {
        transform: translateX(20px) translateY(0) rotateY(2deg) rotateZ(1deg) scale(0.98);
    }
    90% {
        transform: translateX(600px) translateY(0) rotateY(20deg) rotateZ(8deg) scale(0.7);
        opacity: 1;
    }
    100% {
        transform: translateX(600px) translateY(0) rotateY(20deg) rotateZ(8deg) scale(0.7);
        opacity: 0;
    }
}

/* Card Stack Effect - Multiple cards visible with staggered timing */
.currency-card-shuffle {
    animation: cardShuffle 10s linear infinite;
    /* Use forwards to maintain final state, but we'll handle initial state manually */
    animation-fill-mode: forwards;
}

/* Hide any card that doesn't have animation */
.currency-card-shuffle:not([style*="animation"]) {
    display: none !important;
}

/* Remove fixed z-index - let animation control stacking */
/* Cards will use z-index from animation keyframes */

/* Card Glow Effect - Very Subtle, No Visible Border */
.currency-card-shuffle .card-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: transparent;
    border-radius: 24px;
    filter: blur(40px);
    opacity: 0;
    animation: glowPulse 3s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Card Border - Completely Removed */
.card-border {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    width: 0 !important;
    height: 0 !important;
    pointer-events: none !important;
}

@keyframes borderShine {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

/* Card Content - No Borders, No Shadows, No Visible Edges */
.currency-card-shuffle .card-content {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.03) 0%, 
        rgba(0, 0, 0, 0.25) 50%, 
        rgba(0, 212, 170, 0.03) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backface-visibility: hidden;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    -ms-box-shadow: none !important;
}

/* Remove any pseudo-elements that might create borders */
.currency-card-shuffle .card-content::before,
.currency-card-shuffle .card-content::after {
    display: none !important;
    content: none !important;
}

/* Currency Symbol Large */
.currency-symbol-large {
    font-size: 96px;
    font-weight: 700;
    line-height: 1;
    background: linear-gradient(135deg, #00d4aa 0%, #00f5d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-shadow: 0 0 40px rgba(0, 212, 170, 0.5);
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.6));
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1) rotateY(0deg);
    opacity: 1;
}

/* Currency Code Display */
.currency-code-display {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(0, 212, 170, 0.9);
    margin-bottom: 0.5rem;
    font-family: 'Orbitron', sans-serif;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: scale(1) rotateY(0deg);
}

/* Currency Name */
.currency-name {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
    text-transform: capitalize;
    font-family: 'Rajdhani', sans-serif;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

/* Card Lines - Hidden to remove any border-like appearance */
.card-lines {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

.line,
.line-top,
.line-bottom {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

@keyframes lineMove {
    0%, 100% {
        opacity: 0.3;
        transform: scaleX(0.8);
    }
    50% {
        opacity: 0.6;
        transform: scaleX(1);
    }
}

/* Card Back - No Borders */
.currency-card-shuffle .card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.05) 0%, 
        rgba(0, 0, 0, 0.4) 50%, 
        rgba(0, 212, 170, 0.05) 100%);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotateY(180deg);
    backface-visibility: hidden;
    z-index: 1;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.currency-card-shuffle .card-back::before,
.currency-card-shuffle .card-back::after {
    display: none !important;
    content: none !important;
}

.card-back-logo {
    width: 60%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.6));
    opacity: 0.9;
}

/* Floating Particles */
.currency-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 212, 170, 0.6);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 212, 170, 0.8);
    animation: particleFloat 8s ease-in-out infinite;
}

.particle:nth-child(1) {
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    right: 20%;
    animation-delay: 1.5s;
}

.particle:nth-child(3) {
    bottom: 25%;
    left: 25%;
    animation-delay: 3s;
}

.particle:nth-child(4) {
    top: 40%;
    right: 15%;
    animation-delay: 4.5s;
}

.particle:nth-child(5) {
    bottom: 15%;
    right: 30%;
    animation-delay: 6s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-30px) translateX(20px) scale(1.2);
        opacity: 0.8;
    }
}

/* Card Hover Effect - Pause animation on hover */
.currency-card-shuffle:hover {
    animation-play-state: paused;
}

.currency-card-shuffle:hover .card-content {
    transform: translateZ(20px);
}

.currency-card-shuffle:hover .card-glow {
    opacity: 0.5;
    filter: blur(35px);
}

.currency-card-shuffle:hover .currency-symbol-large {
    transform: scale(1.1);
    filter: drop-shadow(0 0 30px rgba(0, 212, 170, 0.8));
}

/* Old Currency Coin Styles - Completely Hidden and Disabled */
.currency-coin,
.currency-coin-rotating,
.coin-large,
.coin-small,
.currency-coin .coin-glass,
.coin-glass,
.coin-front,
.coin-back,
.coin-back-image,
.coin-symbol,
.coin-code,
.coins-orbit-container,
.coin-orbit-path {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

/* Disable all hover effects for old coins */
.currency-coin:hover,
.currency-coin-rotating:hover,
.currency-coin:hover .coin-glass,
.currency-coin:hover .coin-symbol {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* Coin Back Image Sizes */
.coin-large .coin-back-image {
    width: 50%;
    height: 50%;
}

.coin-small .coin-back-image {
    width: 60%;
    height: 60%;
}

.coin-glass::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
    animation: coinShine 4s ease-in-out infinite;
    pointer-events: none;
}

/* Coin Symbol */
.coin-symbol {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    color: rgba(0, 212, 170, 0.9);
    text-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
    margin-bottom: 6px;
    z-index: 1;
    animation: symbolGlow 2s ease-in-out infinite;
    transform-style: preserve-3d;
    opacity: 1;
    transform: scale(1) rotateY(0deg);
}

/* Coin Code */
.coin-code {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(0, 212, 170, 0.7);
    z-index: 1;
    opacity: 1;
    transform: scale(1) rotateY(0deg);
}

@keyframes symbolGlow {
    0%, 100% {
        text-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
        transform: scale(1);
    }
    50% {
        text-shadow: 0 0 30px rgba(0, 212, 170, 0.8);
        transform: scale(1.05);
    }
}

/* Coin Code */
.coin-code {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(0, 212, 170, 0.7);
    z-index: 1;
}

/* Coin Code Sizes */
.coin-large .coin-code {
    font-size: 11px;
}

.coin-small .coin-code {
    font-size: 9px;
}

/* Rotating Coin Glass */
.currency-coin-rotating .coin-glass {
    animation: coinPulse 3s ease-in-out infinite;
}

/* Currency Rotation Animation */
@keyframes currencyRotate {
    0%, 16.66% {
        opacity: 1;
        transform: rotateY(0deg) scale(1);
    }
    20%, 36.66% {
        opacity: 0;
        transform: rotateY(90deg) scale(0.8);
    }
    40%, 56.66% {
        opacity: 1;
        transform: rotateY(180deg) scale(1);
    }
    60%, 76.66% {
        opacity: 0;
        transform: rotateY(270deg) scale(0.8);
    }
    80%, 96.66% {
        opacity: 1;
        transform: rotateY(360deg) scale(1);
    }
    100% {
        opacity: 1;
        transform: rotateY(360deg) scale(1);
    }
}

/* Enhanced Coin Hover Effects */
.currency-coin-rotating:hover {
    z-index: 20;
}

.currency-coin-rotating:hover .coin-glass {
    transform: scale(1.15);
    animation-play-state: paused;
}

.currency-coin:hover .coin-glass {
    background: rgba(0, 212, 170, 0.15);
    border-color: rgba(0, 212, 170, 0.4);
    box-shadow: 
        0 16px 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 0 0 2px rgba(0, 212, 170, 0.3),
        0 0 50px rgba(0, 212, 170, 0.5);
    animation: coinPulse 1s ease-in-out infinite;
}

.currency-coin:hover .coin-symbol {
    color: rgba(0, 212, 170, 1);
    text-shadow: 0 0 40px rgba(0, 212, 170, 1);
    transform: scale(1.1);
}

.currency-coin:hover .coin-code {
    color: rgba(0, 212, 170, 1);
    text-shadow: 0 0 15px rgba(0, 212, 170, 0.6);
}

.currency-coin:hover .coin-glass::before {
    opacity: 0.8;
    animation: coinShine 2s ease-in-out infinite;
}

/* 粒子画布 */
.hero-particles-3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* 轨道环 */
.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(0, 212, 170, 0.2);
    border-radius: 50%;
    pointer-events: none;
}

.orbit-1 {
    width: 400px;
    height: 400px;
    animation: orbitRotate 30s linear infinite;
}

.orbit-2 {
    width: 500px;
    height: 500px;
    animation: orbitRotate 40s linear infinite reverse;
    border-color: rgba(0, 212, 170, 0.15);
}

.orbit-3 {
    width: 600px;
    height: 600px;
    animation: orbitRotate 50s linear infinite;
    border-color: rgba(0, 212, 170, 0.1);
}

/* Enhanced Coin Animations */
@keyframes coinFloatRotate3D {
    0%, 100% {
        transform: translateY(0) translateX(0) translateZ(0) rotateX(0deg);
    }
    25% {
        transform: translateY(-25px) translateX(10px) translateZ(10px) rotateX(5deg);
    }
    50% {
        transform: translateY(-15px) translateX(-8px) translateZ(5px) rotateX(0deg);
    }
    75% {
        transform: translateY(-25px) translateX(12px) translateZ(10px) rotateX(-5deg);
    }
}

/* Special animation for centered coins */
@keyframes coinFloatRotate3DCentered {
    0%, 100% {
        transform: translateY(0) translateZ(0) rotateX(0deg);
    }
    25% {
        transform: translateY(-25px) translateZ(10px) rotateX(5deg);
    }
    50% {
        transform: translateY(-15px) translateZ(5px) rotateX(0deg);
    }
    75% {
        transform: translateY(-20px) translateZ(8px) rotateX(-5deg);
    }
}

@keyframes coinRotateY {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

/* Circular Orbit Animation - Elegant Rotation */
@keyframes coinOrbit {
    0% {
        transform: translate(-50%, -50%) rotate(0deg) translateX(200px);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg) translateX(200px);
    }
}


@keyframes coinShine {
    0%, 100% {
        opacity: 0.3;
        transform: rotate(0deg) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: rotate(180deg) scale(1.2);
    }
}

@keyframes coinPulse {
    0%, 100% {
        box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1),
            0 0 0 1px rgba(0, 212, 170, 0.1),
            0 0 20px rgba(0, 212, 170, 0.2);
    }
    50% {
        box-shadow: 
            0 12px 40px rgba(0, 0, 0, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.15),
            0 0 0 1px rgba(0, 212, 170, 0.2),
            0 0 40px rgba(0, 212, 170, 0.4);
    }
}

@keyframes rippleExpand {
    0% {
        width: 20px;
        height: 20px;
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        width: 200px;
        height: 200px;
        opacity: 0;
        transform: translate(-50%, -50%) scale(10);
    }
}

@keyframes coinFadeIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes coinRotateY {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

@keyframes coinGlowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.15);
    }
}

@keyframes orbitRotate {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

@keyframes kangarooGlow {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.3);
    }
}

@keyframes kangarooGlowInner {
    0%, 100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.orbit-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.orbit-item {
    position: absolute;
    width: 120px;
    height: 120px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.orbit-1 {
    animation: orbit1 15s linear infinite;
}

.orbit-2 {
    animation: orbit2 18s linear infinite;
}

.orbit-3 {
    animation: orbit3 20s linear infinite;
}

@keyframes orbit1 {
    from {
        transform: translate(-50%, -50%) rotate(0deg) translateX(250px) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg) translateX(250px) rotate(-360deg);
    }
}

@keyframes orbit2 {
    from {
        transform: translate(-50%, -50%) rotate(120deg) translateX(250px) rotate(-120deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(480deg) translateX(250px) rotate(-480deg);
    }
}

@keyframes orbit3 {
    from {
        transform: translate(-50%, -50%) rotate(240deg) translateX(250px) rotate(-240deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(600deg) translateX(250px) rotate(-600deg);
    }
}

.orbit-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.orbit-icon svg {
    width: 30px;
    height: 30px;
}

.orbit-item:hover .orbit-icon {
    background: var(--gradient-1);
    color: var(--bg-dark);
    transform: scale(1.2);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.5);
}

.orbit-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-align: center;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    width: 200px;
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.1);
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation: float1 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation: float2 8s ease-in-out infinite;
}

.card-3 {
    bottom: 10%;
    left: 30%;
    animation: float3 7s ease-in-out infinite;
}

.card-content {
    text-align: center;
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(-5deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(3deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.scroll-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    position: relative;
    z-index: 10;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.8rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 1;
    line-height: 1.2;
}

.section-subtitle {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    opacity: 1;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: translateY(0);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    min-height: 300px;
    display: flex;
    flex-direction: column;
}

.feature-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 184, 148, 0.05) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.feature-card:hover .feature-card-bg {
    opacity: 1;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.25);
    transform: translateY(-8px) scale(1.02);
}

.feature-card-inner {
    position: relative;
    z-index: 1;
}

.feature-icon-wrapper {
    position: relative;
    margin-bottom: 2rem;
    display: inline-block;
}

.feature-icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

/* Feature Card Icon Styles */
.feature-card .feature-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.feature-card .feature-icon svg {
    width: 45px;
    height: 45px;
    transition: transform 0.5s ease;
}

.feature-card:hover .feature-icon {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.4);
}

.feature-card:hover .feature-icon-glow {
    opacity: 1;
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.1);
}

/* Feature Card Title and Description */
.feature-card .feature-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.feature-card:hover .feature-title {
    color: var(--primary-color);
}

.feature-card .feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.feature-card .feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.feature-card:hover .highlight-tag::before {
    left: 100%;
}

.feature-card:hover .highlight-tag {
    background: rgba(0, 212, 170, 0.15);
    border-color: rgba(0, 212, 170, 0.5);
    transform: translateY(-2px);
}

.highlight-tag {
    padding: 0.5rem 1.2rem;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.2), transparent);
    transition: left 0.5s ease;
}

.features-accordion {
    max-width: 900px;
    margin: 4rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: translateY(0);
    position: relative;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-item:hover::before {
    opacity: 1;
}

.feature-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 212, 170, 0.15);
}

.feature-item.active::before {
    opacity: 1;
}

.feature-header {
    width: 100%;
    padding: 2rem 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    text-align: left;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.feature-header:hover {
    background: rgba(0, 212, 170, 0.02);
}

.feature-header-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
    min-width: 0;
}

.feature-icon-wrapper {
    flex-shrink: 0;
}

.feature-icon {
    width: 70px;
    height: 70px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 16px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.feature-item.active .feature-icon::before {
    opacity: 0.1;
}

.feature-item.active .feature-icon {
    background: rgba(0, 212, 170, 0.15);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
    transition: transform 0.4s ease;
}

.feature-item.active .feature-icon svg {
    transform: rotate(90deg);
}

.feature-header-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.feature-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.feature-item.active .feature-title {
    color: var(--primary-color);
}

.feature-preview {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.feature-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    background: rgba(0, 212, 170, 0.1);
    border-radius: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.feature-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-item.active .feature-toggle {
    background: var(--gradient-1);
    color: var(--bg-dark);
    transform: rotate(180deg);
}

.feature-item.active .feature-toggle svg {
    transform: rotate(180deg);
}

.feature-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0, 0, 0, 0.2);
}

.feature-item.active .feature-content {
    max-height: 1000px;
}

.feature-content-inner {
    padding: 0 2.5rem 2.5rem;
    padding-top: 0;
    animation: contentFadeIn 0.5s ease-out;
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 2rem 0 1.5rem;
    font-size: 1rem;
    padding-left: 1.5rem;
    border-left: 2px solid rgba(0, 212, 170, 0.2);
}

.feature-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-left: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.2rem;
    background: rgba(0, 212, 170, 0.05);
    border: 1px solid rgba(0, 212, 170, 0.15);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateX(5px);
}

.highlight-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 212, 170, 0.6);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.2);
    }
}

.highlight-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Versions Section */
.versions {
    padding: 8rem 2rem;
    position: relative;
    z-index: 10;
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.version-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--card-border);
    border-radius: 28px;
    padding: 3rem 2.5rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
    transform-style: preserve-3d;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    min-height: 520px;
}

.version-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    transform: scale(0.5);
    pointer-events: none;
    z-index: 0;
}

.version-card:hover::before {
    opacity: 1;
    transform: scale(1);
}

.version-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 32px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.3), rgba(0, 184, 148, 0.1), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: 1;
    pointer-events: none;
}

.version-card:hover::after {
    opacity: 1;
}

.version-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 30px 100px rgba(0, 212, 170, 0.4), 0 0 60px rgba(0, 212, 170, 0.2);
    transform: translateY(-20px) scale(1.02);
}

.version-card.pro {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 184, 148, 0.05) 50%, rgba(0, 0, 0, 0.3) 100%);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.2);
}

.version-card.pro::before {
    background: radial-gradient(circle, rgba(0, 212, 170, 0.25) 0%, rgba(0, 245, 212, 0.15) 50%, transparent 70%);
}

.version-card.pro:hover {
    box-shadow: 0 40px 120px rgba(0, 212, 170, 0.5), 0 0 80px rgba(0, 245, 212, 0.3);
    transform: translateY(-25px) scale(1.03);
}

.version-badge {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: rgba(0, 212, 170, 0.12);
    border: 2px solid rgba(0, 212, 170, 0.4);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    z-index: 2;
}

.version-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.3), transparent);
    transition: left 0.6s ease;
}

.version-card:hover .version-badge::before {
    left: 100%;
}

.version-card:hover .version-badge {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.4);
    transform: scale(1.05);
}

.version-badge.pro-badge {
    background: var(--gradient-1);
    color: var(--bg-dark);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 25px rgba(0, 212, 170, 0.5);
}

.version-card.pro:hover .version-badge.pro-badge {
    box-shadow: 0 0 35px rgba(0, 212, 170, 0.7);
    transform: scale(1.08);
}

.version-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 24px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.version-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 28px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: -1;
    filter: blur(10px);
}

.version-card:hover .version-icon::before {
    opacity: 0.4;
}

.version-card:hover .version-icon {
    transform: scale(1.2) rotate(10deg);
    background: rgba(0, 212, 170, 0.25);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.5);
}

.version-icon svg {
    width: 50px;
    height: 50px;
    transition: transform 0.6s ease;
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
}

.version-card:hover .version-icon svg {
    transform: scale(1.1);
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.8));
}

.version-icon.pro-icon {
    background: var(--gradient-1);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.4);
}

.version-card.pro:hover .version-icon.pro-icon {
    box-shadow: 0 20px 50px rgba(0, 212, 170, 0.6);
    transform: scale(1.25) rotate(15deg);
}

.version-title {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
}

.version-card:hover .version-title {
    transform: translateY(-3px);
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
}

.version-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
    z-index: 2;
    transition: color 0.4s ease;
}

.version-card:hover .version-subtitle {
    color: var(--text-primary);
}

.version-features {
    list-style: none;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.version-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(0, 212, 170, 0.15);
    color: var(--text-secondary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    font-size: 0.9rem;
}

.version-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 0 2px 2px 0;
}

.version-features li:hover::before {
    opacity: 1;
}

.version-features li:last-child {
    border-bottom: none;
}

.version-features li:hover {
    color: var(--text-primary);
    padding-left: 1rem;
    transform: translateX(5px);
}

.version-features li svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 5px rgba(0, 212, 170, 0.5));
}

.version-features li:hover svg {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.8));
}

.version-action {
    text-align: center;
    position: relative;
    z-index: 2;
    margin-top: auto;
    padding-top: 2rem;
}

.btn-standard {
    background: var(--gradient-1);
    color: var(--bg-dark);
    width: 100%;
    padding: 1.4rem 2rem;
    font-size: 1.15rem;
    font-weight: 800;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.btn-standard::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-standard:hover::before {
    width: 300px;
    height: 300px;
}

.btn-standard:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 212, 170, 0.5), 0 0 30px rgba(0, 212, 170, 0.3);
}

.btn-pro {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    width: 100%;
    padding: 1.4rem 2rem;
    font-size: 1.15rem;
    font-weight: 800;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.2);
}

.btn-pro::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.btn-pro:hover::before {
    left: 0;
}

.btn-pro:hover {
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 212, 170, 0.5), 0 0 40px rgba(0, 212, 170, 0.4);
}

/* Contact Pro Section */
.contact-pro {
    padding: 8rem 2rem;
    position: relative;
    z-index: 10;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    opacity: 1;
    transform: translateY(0);
}

.contact-title {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.6));
}

.contact-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-form {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem;
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-secondary);
}

.btn-pro-submit {
    width: 100%;
    background: var(--gradient-1);
    color: var(--bg-dark);
    padding: 1.2rem;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-pro-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.4);
}

.btn-pro-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.contact-form-message {
    display: none;
    margin-top: 1.5rem;
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: center;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-form-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    animation: progressBar 5s linear;
}

.contact-form-message.success {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(0, 255, 212, 0.1) 100%);
    border: 1.5px solid rgba(0, 212, 170, 0.4);
    color: var(--primary-light);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.contact-form-message.error {
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.15) 0%, rgba(255, 107, 107, 0.1) 100%);
    border: 1.5px solid rgba(255, 77, 77, 0.4);
    color: #ff9999;
    box-shadow: 0 4px 20px rgba(255, 77, 77, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-15px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 200px;
    }
}

@keyframes progressBar {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* Download Section */
.download {
    padding: 8rem 2rem;
    position: relative;
    z-index: 10;
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    opacity: 1;
    transform: translateY(0);
}

.download-title {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 15px rgba(0, 212, 170, 0.6));
}

.download-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-download {
    background: var(--gradient-1);
    color: var(--bg-dark);
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.4);
}

.btn-download svg {
    width: 24px;
    height: 24px;
}

.btn-web {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

.btn-web:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

.btn-web svg {
    width: 24px;
    height: 24px;
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-value {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(0, 212, 170, 0.1);
    position: relative;
    z-index: 10;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo-img {
    height: 30px;
    width: auto;
}

.footer-logo-text {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-contact-item:hover {
    color: var(--primary-color);
    transform: translateX(-3px);
}

.footer-contact-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.footer-contact-item:hover .footer-contact-icon {
    color: var(--primary-light);
    transform: scale(1.1);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 170, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Background Effects */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.grid-canvas,
.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-duration: 25s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    animation-duration: 30s;
    animation-delay: -10s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary-dark) 0%, transparent 70%);
    top: 50%;
    right: 10%;
    animation-duration: 20s;
    animation-delay: -5s;
}

@keyframes orbFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

/* Responsive Design */
/* Tablet and Medium Screens */
@media (max-width: 1200px) {
    .hero-content {
        gap: 4rem;
    }
    
    .hero-title {
        font-size: 5.5rem;
    }
    
    .kangaroo-canvas {
        width: 500px;
        height: 500px;
    }
    
    .kangaroo-glow {
        width: 450px;
        height: 450px;
    }
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
        justify-content: center;
    }

    .hero-visual {
        height: 400px;
        margin-top: 2rem;
    }
    
    .kangaroo-container {
        min-height: 400px;
    }
    
    .kangaroo-canvas {
        width: 100%;
        max-width: 500px;
        height: 400px;
    }
    
    .kangaroo-glow {
        width: 350px;
        height: 350px;
    }
    
    /* Trading Currency Card Responsive */
    .trading-currency-display {
        min-height: 500px;
    }
    
    .card-shuffle-container {
        width: 350px;
        height: 450px;
    }
    
    .currency-card-shuffle {
        width: 280px;
        height: 360px;
    }
    
    .currency-symbol-large {
        font-size: 80px;
    }
    
    .currency-code-display {
        font-size: 16px;
    }
    
    .currency-name {
        font-size: 12px;
    }
    
    .orbit-1 {
        width: 300px;
        height: 300px;
    }
    
    .orbit-2 {
        width: 380px;
        height: 380px;
    }
    
    .orbit-3 {
        width: 450px;
        height: 450px;
    }

    .features-accordion {
        max-width: 100%;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }

    .download-title {
        font-size: 2.5rem;
    }
    
    .download-subtitle {
        font-size: 1.1rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .versions-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .version-card {
        padding: 3rem 2.5rem;
        border-radius: 28px;
    }
    
    .version-badge {
        padding: 0.7rem 1.8rem;
        font-size: 0.9rem;
        margin-bottom: 2rem;
    }
    
    .version-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 2rem;
    }
    
    .version-icon svg {
        width: 50px;
        height: 50px;
    }
    
    .version-title {
        font-size: 1.8rem;
    }
    
    .version-subtitle {
        font-size: 1.05rem;
        margin-bottom: 2.5rem;
    }
    
    .version-features li {
        font-size: 1rem;
        padding: 1rem 0;
    }
    
    .version-features li svg {
        width: 22px;
        height: 22px;
    }
    
    .btn-standard,
    .btn-pro {
        padding: 1.3rem 1.8rem;
        font-size: 1.1rem;
    }
    
    .hero-stats {
        gap: 2rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 3rem;
    }
}

@media (max-width: 640px) {
    .versions-grid {
        gap: 2rem;
    }
    
    .version-card {
        padding: 2.5rem 2rem;
        border-radius: 28px;
    }
    
    .version-badge {
        padding: 0.6rem 1.5rem;
        font-size: 0.85rem;
        margin-bottom: 2rem;
    }
    
    .version-icon {
        width: 90px;
        height: 90px;
        margin-bottom: 2rem;
    }
    
    .version-icon svg {
        width: 45px;
        height: 45px;
    }
    
    .version-title {
        font-size: 1.6rem;
    }
    
    .version-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }
    
    .version-features li {
        padding: 1rem 0;
        font-size: 0.95rem;
    }
    
    .version-features li svg {
        width: 20px;
        height: 20px;
    }
    
    .btn-standard,
    .btn-pro {
        padding: 1.2rem 1.5rem;
        font-size: 1.05rem;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1.5rem;
        max-width: 100%;
    }
    
    /* Show hamburger menu button */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hide nav links by default on mobile */
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(0, 212, 170, 0.2);
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
        gap: 0.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8),
                    0 0 0 1px rgba(0, 212, 170, 0.1);
        display: flex !important; /* Ensure it's displayed as flex */
    }
    
    .nav-links.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .nav-links .nav-link {
        font-size: 1rem;
        padding: 1rem 1.5rem;
        margin: 0;
        border-radius: 8px;
        text-align: left;
        width: 100%;
        display: block !important;
        animation-delay: 0s;
        transition: all 0.3s ease;
        background: rgba(0, 212, 170, 0.05);
        border: 1px solid rgba(0, 212, 170, 0.1);
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        color: var(--text-primary) !important;
    }
    
    /* Ensure MDB PRIME link is visible in mobile menu */
    .nav-links .nav-link[data-i18n="nav.mdbprime"],
    .nav-links .nav-link[href*="mdb-prime"] {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        color: var(--text-primary) !important;
        /* Override gradient text for mobile menu - use solid color */
        -webkit-text-fill-color: var(--text-primary) !important;
        background: transparent !important;
        -webkit-background-clip: unset !important;
        background-clip: unset !important;
        text-shadow: 0 0 10px rgba(0, 212, 170, 0.5);
    }
    
    .nav-links .nav-link[data-i18n="nav.mdbprime"]:hover,
    .nav-links .nav-link[href*="mdb-prime"]:hover {
        color: var(--primary-color) !important;
        -webkit-text-fill-color: var(--primary-color) !important;
        text-shadow: 0 0 15px rgba(0, 212, 170, 0.8);
    }
    
    .nav-links .nav-link:hover {
        background: rgba(0, 212, 170, 0.15);
        border-color: rgba(0, 212, 170, 0.3);
        transform: translateX(5px);
    }
    
    .nav-links .nav-link.web-version {
        background: linear-gradient(135deg, 
            rgba(0, 212, 170, 0.1) 0%, 
            rgba(0, 255, 212, 0.05) 100%);
        border: 2px solid var(--primary-color);
        text-align: center;
        font-weight: 600;
    }
    
    .nav-links .nav-link.web-version:hover {
        background: linear-gradient(135deg, 
            rgba(0, 212, 170, 0.2) 0%, 
            rgba(0, 255, 212, 0.1) 100%);
        transform: scale(1.02);
    }
    
    .nav-right {
        gap: 0.5rem;
        animation-delay: 0.2s;
        flex-shrink: 0;
    }
    
    /* Hide web version link in nav-right on mobile, it's in the menu */
    .nav-right .nav-link.web-version {
        display: none;
    }
    
    /* Ensure nav-right doesn't overflow */
    .nav-right {
        max-width: 150px;
        overflow: hidden;
    }
    
    /* Logo container mobile */
    .logo-container {
        flex-shrink: 1;
        min-width: 0;
        max-width: calc(100% - 160px);
    }
    
    .logo-img {
        flex-shrink: 0;
    }
    
    /* Language switcher in nav-right - keep visible */
    .nav-right .language-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-right: 0.5rem;
        padding-right: 0.5rem;
        display: flex;
    }
    
    /* Add language switcher to mobile menu as well */
    .nav-links .language-switcher {
        padding: 1rem 1.5rem;
        margin: 0.5rem 0;
        border-top: 1px solid rgba(0, 212, 170, 0.1);
        border-bottom: 1px solid rgba(0, 212, 170, 0.1);
        border-right: none;
        border-left: none;
        display: flex;
        justify-content: center;
        order: 10; /* Put it at the end */
    }
    
    .nav-links .custom-lang-select {
        width: 100%;
        max-width: 200px;
        position: relative;
        z-index: 10002;
    }
    
    .nav-links .lang-select-trigger {
        width: 100%;
        min-width: auto;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 212, 170, 0.2);
    }
    
    /* 确保移动端语言切换器可以正常点击 */
    .nav-links .language-switcher {
        position: relative;
        z-index: 10000;
    }
    
    /* Ensure all menu items are visible */
    .nav-links > * {
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    /* Add download button to mobile menu */
    .nav-links .mobile-download-btn {
        margin-top: 1.5rem;
        padding: 1.25rem 1.5rem;
        background: linear-gradient(135deg, #00d4aa 0%, #00f5d4 100%);
        color: var(--bg-dark);
        font-weight: 700;
        font-size: 1.1rem;
        text-align: center;
        border-radius: 10px;
        text-decoration: none;
        display: block !important;
        box-shadow: 0 4px 20px rgba(0, 212, 170, 0.4);
        transition: all 0.3s ease;
        order: 20; /* Put it at the very end */
        border: none;
    }
    
    .nav-links .mobile-download-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 30px rgba(0, 212, 170, 0.6);
        background: linear-gradient(135deg, #00f5d4 0%, #00d4aa 100%);
    }
    
    .nav-links .mobile-download-btn:active {
        transform: translateY(0);
    }
    
    /* Hide web version in desktop nav-right on mobile */
    .nav-right .nav-link.web-version {
        display: none !important;
    }
    
    /* Show web version in mobile menu */
    .nav-links .nav-link.web-version {
        display: block !important;
    }
    
    .lang-select {
        font-size: 0.75rem;
        padding: 0.35rem 0.8rem;
        min-width: 65px;
    }
    
    .lang-select-trigger {
        min-width: 65px;
        width: 65px;
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .lang-select-value {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
    
    .lang-select-dropdown {
        min-width: 100%;
        width: 100%;
        left: 0;
        right: 0;
        padding: 0.3rem 0.2rem;
        z-index: 10001;
        position: absolute;
        top: calc(100% + 5px);
    }
    
    /* 移动端下拉菜单在移动菜单内时的样式 */
    .nav-links .lang-select-dropdown {
        position: absolute;
        top: calc(100% + 5px);
        left: 0;
        right: 0;
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }
    
    .lang-option {
        padding: 0.8rem 1rem;
        font-size: 0.85rem;
        min-height: 44px;
        margin: 0.15rem 0.2rem;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 212, 170, 0.2);
    }
    
    .lang-option::after {
        font-size: 0.8rem;
        left: 0.6rem;
    }
    
    .nav-link.web-version {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
        min-height: auto;
    }
    
    .hero-content {
        gap: 2rem;
    }

    .hero-title {
        font-size: 3rem;
        letter-spacing: 0;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .subtitle-separator {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem 0;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .kangaroo-container {
        min-height: 300px;
    }
    
    .kangaroo-canvas {
        width: 100%;
        max-width: 400px;
        height: 300px;
    }
    
    .kangaroo-glow {
        width: 280px;
        height: 280px;
    }
    
    .kangaroo-glow::before {
        width: 220px;
        height: 220px;
    }

    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .features {
        padding: 4rem 1rem;
    }
    
    .features-accordion {
        gap: 0.75rem;
    }
    
    .feature-item {
        border-radius: 16px;
    }
    
    .feature-header {
        padding: 1.5rem;
        gap: 1rem;
    }
    
    .feature-header-content {
        gap: 1rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .feature-title {
        font-size: 1.3rem;
    }
    
    .feature-preview {
        font-size: 0.85rem;
    }
    
    .feature-toggle {
        width: 35px;
        height: 35px;
    }
    
    .feature-toggle svg {
        width: 18px;
        height: 18px;
    }
    
    .feature-content-inner {
        padding: 0 1.5rem 1.5rem;
    }
    
    .feature-description {
        font-size: 0.9rem;
        padding-left: 1rem;
        margin: 1.5rem 0 1rem;
    }
    
    .feature-highlights {
        padding-left: 1rem;
        gap: 0.75rem;
    }
    
    .highlight-item {
        padding: 0.6rem 1rem;
    }
    
    .highlight-text {
        font-size: 0.85rem;
    }

    .versions {
        padding: 4rem 1rem;
    }
    
    .versions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .version-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .version-icon {
        width: 80px;
        height: 80px;
    }
    
    .version-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .version-title {
        font-size: 1.5rem;
    }
    
    .version-subtitle {
        font-size: 1rem;
    }
    
    .version-features li {
        font-size: 0.9rem;
        padding: 0.8rem 0;
    }

    .download {
        padding: 4rem 1rem;
    }
    
    .download-content {
        padding: 0;
    }

    .download-title {
        font-size: 2rem;
    }
    
    .download-subtitle {
        font-size: 1rem;
    }
    
    .download-info {
        flex-direction: column;
        gap: 1.5rem;
    }

    .contact-pro {
        padding: 4rem 1rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .form-input,
    .form-textarea {
        padding: 0.9rem 1.2rem;
        font-size: 0.95rem;
    }

    .footer {
        padding: 3rem 1rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-contact {
        align-items: center;
        width: 100%;
    }
    
    .footer-contact-item {
        justify-content: center;
        font-size: 0.85rem;
        word-break: break-word;
    }
    
    .footer-contact-item span {
        word-break: break-all;
        overflow-wrap: break-word;
        max-width: 100%;
    }
    
    /* General text overflow handling for English */
    h1, h2, h3, h4, h5, h6 {
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    p, span, div, a {
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Button text handling */
    button, .btn {
        word-break: break-word;
        overflow-wrap: break-word;
        text-align: center;
    }
    
    /* Feature accordion mobile */
    .feature-item {
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .feature-description {
        word-break: break-word;
        overflow-wrap: break-word;
        line-height: 1.6;
    }
    
    /* Stats mobile */
    .stat-label {
        font-size: 0.85rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Hero section mobile fixes for English */
    .hero {
        padding: 8rem 1rem 4rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
        line-height: 1.2;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .subtitle-line {
        white-space: normal;
        word-break: break-word;
    }
    
    /* Hero buttons mobile */
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        white-space: normal;
        word-break: break-word;
    }
    
    .btn-text {
        white-space: normal;
        word-break: break-word;
    }
    
    /* Hero stats mobile */
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        width: 100%;
    }
    
    .stat-item {
        width: 100%;
        text-align: center;
    }
    
    /* Section titles mobile */
    .section-title {
        font-size: 2rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .section-subtitle {
        font-size: 1rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Feature cards mobile */
    .feature-card-modern {
        padding: 2rem 1.5rem;
    }
    
    .feature-card-title {
        font-size: 1.4rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .feature-card-desc {
        font-size: 0.95rem;
        line-height: 1.6;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Version cards mobile */
    .version-card {
        padding: 2rem 1.5rem;
    }
    
    .version-title {
        font-size: 1.5rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .version-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .version-features li {
        font-size: 0.9rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Download section mobile */
    .download-title {
        font-size: 2rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .download-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Contact form mobile */
    .contact-title {
        font-size: 2rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-subtitle {
        font-size: 1rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .btn-pro-submit {
        font-size: 1rem;
        white-space: normal;
        word-break: break-word;
        padding: 1rem 1.5rem;
    }
    
    /* Nav links mobile - ensure text doesn't overflow */
    .nav-links .nav-link {
        white-space: normal;
        word-break: break-word;
        overflow-wrap: break-word;
        text-align: center;
        hyphens: auto;
    }
    
    /* Web version link in mobile menu */
    .nav-links .nav-link.web-version {
        white-space: normal;
        word-break: break-word;
        overflow-wrap: break-word;
        font-size: 0.95rem;
    }
    
    /* Language switcher mobile */
    .lang-select-value {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Logo text mobile */
    .logo-text {
        font-size: 0.9rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    /* Trading Currency Card Mobile */
    .trading-currency-display {
        min-height: 400px;
    }
    
    .card-shuffle-container {
        width: 280px;
        height: 380px;
    }
    
    .currency-card-shuffle {
        width: 240px;
        height: 320px;
    }
    
    .currency-symbol-large {
        font-size: 64px;
    }
    
    .currency-code-display {
        font-size: 14px;
        letter-spacing: 3px;
    }
    
    .currency-name {
        font-size: 11px;
    }
    
    .card-content {
        padding: 2rem 1.5rem;
    }
    
    /* Adjust shuffle animation for mobile - uniform speed */
    @keyframes cardShuffle {
        0% {
            transform: translateX(-400px) translateY(0) rotateY(-20deg) rotateZ(-8deg) scale(0.7);
            opacity: 0;
        }
        10% {
            opacity: 1;
        }
        50% {
            transform: translateX(0) translateY(0) rotateY(0deg) rotateZ(0deg) scale(1);
        }
        90% {
            opacity: 1;
        }
        100% {
            transform: translateX(400px) translateY(0) rotateY(20deg) rotateZ(8deg) scale(0.7);
            opacity: 0;
        }
    }
    
    .currency-card-shuffle {
        animation: cardShuffle 10s linear infinite;
    }
    
    /* Trading Coins Mobile */
    .trading-coins-integrated {
        min-height: 300px;
    }
    
    .currency-coin {
        width: 80px;
        height: 80px;
    }
    
    .coin-symbol {
        font-size: 28px;
        margin-bottom: 4px;
    }
    
    .coin-code {
        font-size: 8px;
    }
    
    
    .orbit-1 {
        width: 250px;
        height: 250px;
    }
    
    .orbit-2 {
        width: 320px;
        height: 320px;
    }
    
    .orbit-3 {
        width: 380px;
        height: 380px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .feature-header {
        padding: 1rem;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
    }
    
    .feature-title {
        font-size: 1.1rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .version-card {
        padding: 1.5rem 1rem;
    }
    
    .version-title {
        font-size: 1.3rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .version-subtitle {
        font-size: 0.9rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .download-title {
        font-size: 1.5rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .download-subtitle {
        font-size: 0.9rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-title {
        font-size: 1.5rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .contact-subtitle {
        font-size: 0.9rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .feature-card-title {
        font-size: 1.2rem;
        line-height: 1.3;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .feature-card-desc {
        font-size: 0.9rem;
        line-height: 1.5;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .btn {
        font-size: 0.95rem;
        padding: 0.9rem 1.2rem;
        white-space: normal;
        word-break: break-word;
    }
    
    .btn-text {
        white-space: normal;
        word-break: break-word;
    }
    
    .footer-contact-item {
        font-size: 0.8rem;
    }
    
    .footer-contact-item span {
        font-size: 0.8rem;
        word-break: break-all;
    }
    
    .nav-links .nav-link {
        font-size: 0.95rem;
        padding: 0.9rem 1.2rem;
    }
}

/* Large Screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content {
        max-width: 1600px;
    }
    
    .features-accordion {
        max-width: 1000px;
    }
}

/* Ultra-wide Screens */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
}

/* Height-based Media Queries */
@media (max-height: 800px) {
    .hero {
        min-height: auto;
        padding: 6rem 2rem 3rem;
    }
    
    .hero-visual {
        height: 400px;
    }
}

/* Landscape Mobile */
@media (max-width: 968px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 5rem 2rem 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-visual {
        height: 350px;
    }
}

/* MDB PRIME Page Styles */
.mdbprime-hero {
    padding: 12rem 2rem 6rem;
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.05) 0%, transparent 100%);
    position: relative;
    overflow: hidden;
}

.mdbprime-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.mdbprime-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.mdbprime-hero-title {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    line-height: 1.2;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.6));
    position: relative;
}

.mdbprime-hero-title::before {
    content: attr(data-i18n);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-weight: 900;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(15px);
    opacity: 0.7;
    z-index: -1;
    animation: glowPulse 2s ease-in-out infinite;
}

.mdbprime-hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.mdbprime-intro {
    padding: 6rem 2rem;
    position: relative;
    z-index: 10;
}

.mdbprime-intro-content {
    max-width: 1000px;
    margin: 0 auto;
}

.mdbprime-intro-text {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 32px;
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mdbprime-intro-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.mdbprime-intro-text:hover::before {
    opacity: 1;
}

.mdbprime-section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.mdbprime-intro-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.mdbprime-features {
    padding: 6rem 2rem;
    position: relative;
    z-index: 10;
}

.mdbprime-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.mdbprime-feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.mdbprime-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.mdbprime-feature-card:hover::before {
    opacity: 1;
}

.mdbprime-feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 212, 170, 0.3);
}

.mdbprime-feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 24px;
    transition: all 0.5s ease;
}

.mdbprime-feature-card:hover .mdbprime-feature-icon {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.4);
}

.mdbprime-feature-icon svg {
    width: 50px;
    height: 50px;
}

.mdbprime-feature-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.mdbprime-feature-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.mdbprime-versions {
    padding: 6rem 2rem;
    position: relative;
    z-index: 10;
}

.mdbprime-versions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.mdbprime-version-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--card-border);
    border-radius: 32px;
    padding: 4rem 3rem;
    text-align: center;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.mdbprime-version-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    transform: scale(0.5);
    pointer-events: none;
    z-index: 0;
}

.mdbprime-version-card:hover::before {
    opacity: 1;
    transform: scale(1);
}

.mdbprime-version-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 30px 100px rgba(0, 212, 170, 0.4);
    transform: translateY(-20px) scale(1.02);
}

/* Download Modal - Premium Design */
.download-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem;
}

.download-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.download-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.download-modal.active .download-modal-overlay {
    opacity: 1;
}

.download-modal-content {
    position: relative;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.95) 0%, 
        rgba(0, 20, 20, 0.9) 100%);
    backdrop-filter: blur(30px);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 32px;
    box-shadow: 
        0 30px 100px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(0, 212, 170, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 60px rgba(0, 212, 170, 0.3);
    overflow: hidden;
    transform: scale(0.9) translateY(50px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.download-modal.active .download-modal-content {
    transform: scale(1) translateY(0);
}

.download-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 170, 0.1);
    border: 1.5px solid rgba(0, 212, 170, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.download-modal-close:hover {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.5);
}

.download-modal-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-color);
}

.download-modal-body {
    padding: 3rem;
    overflow-y: auto;
    max-height: calc(90vh - 6rem);
}

.download-modal-body::-webkit-scrollbar {
    width: 8px;
}

.download-modal-body::-webkit-scrollbar-track {
    background: rgba(0, 212, 170, 0.1);
    border-radius: 4px;
}

.download-modal-body::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 170, 0.3);
    border-radius: 4px;
}

.download-modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 212, 170, 0.5);
}

.download-hero {
    text-align: center;
    margin-bottom: 4rem;
}

.download-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
    width: 120px;
    height: 120px;
}

.download-icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 2s ease-in-out infinite;
    z-index: 0;
}

.download-icon {
    position: relative;
    width: 100%;
    height: 100%;
    color: var(--primary-color);
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.6));
    z-index: 1;
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

.download-hero-title {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d4aa 0%, #00ffd4 50%, #00d4aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.4));
}

.download-hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.download-card {
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.6) 0%, 
        rgba(0, 20, 20, 0.4) 100%);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 32px;
    padding: 3rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(0, 212, 170, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.download-card:hover::before {
    opacity: 1;
}

.download-card:hover {
    border-color: rgba(0, 212, 170, 0.5);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(0, 212, 170, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 40px rgba(0, 212, 170, 0.2);
    transform: translateY(-5px);
}

.download-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 212, 170, 0.2);
}

.download-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.5rem;
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.15) 0%, 
        rgba(0, 255, 212, 0.1) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.download-badge svg {
    width: 20px;
    height: 20px;
}

.download-version {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 212, 170, 0.5);
}

.download-main {
    margin-bottom: 2.5rem;
}

.download-button-wrapper {
    margin-bottom: 2.5rem;
}

.btn-download-premium {
    position: relative;
    display: block;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(135deg, #00d4aa 0%, #00f5d4 100%);
    border: none;
    border-radius: 20px;
    text-decoration: none;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 10px 40px rgba(0, 212, 170, 0.4),
        0 0 0 1px rgba(0, 212, 170, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-download-premium:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 15px 50px rgba(0, 212, 170, 0.6),
        0 0 0 1px rgba(0, 212, 170, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 0 60px rgba(0, 212, 170, 0.3);
    background: linear-gradient(135deg, #00f5d4 0%, #00d4aa 100%);
}

.btn-download-premium:active {
    transform: translateY(-1px) scale(1);
}

.btn-download-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    z-index: 2;
}

.btn-download-icon {
    width: 50px;
    height: 50px;
    color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-download-premium:hover .btn-download-icon {
    transform: translateY(-3px) rotate(5deg);
    background: rgba(0, 0, 0, 0.15);
}

.btn-download-icon svg {
    width: 28px;
    height: 28px;
}

.btn-download-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
}

.btn-download-label {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--bg-dark);
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    letter-spacing: 0.05em;
}

.btn-download-size {
    font-size: 0.9rem;
    color: rgba(0, 0, 0, 0.6);
    font-weight: 500;
}

.btn-download-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    transition: left 0.6s ease;
    z-index: 1;
}

.btn-download-premium:hover .btn-download-shine {
    left: 100%;
}

.btn-download-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.download-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 212, 170, 0.05);
    border: 1px solid rgba(0, 212, 170, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.download-feature-item:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateX(5px);
}

.download-feature-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.download-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(0, 212, 170, 0.2);
}

.download-info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 212, 170, 0.05);
    border: 1px solid rgba(0, 212, 170, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.download-info-card:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.2);
}

.info-card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, 
        rgba(0, 212, 170, 0.2) 0%, 
        rgba(0, 255, 212, 0.1) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 12px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-card-icon svg {
    width: 24px;
    height: 24px;
}

.info-card-content {
    flex: 1;
}

.info-card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.info-card-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
}

.download-alternative {
    text-align: center;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(0, 212, 170, 0.1);
}

.download-alternative-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.download-alternative-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.download-alternative-link:hover {
    color: var(--primary-light);
    background: rgba(0, 212, 170, 0.1);
    transform: translateY(-2px);
}

/* Mobile responsive for download modal */
@media (max-width: 768px) {
    .download-modal {
        padding: 1rem;
    }
    
    .download-modal-content {
        max-height: 95vh;
        border-radius: 24px;
    }
    
    .download-modal-body {
        padding: 2rem 1.5rem;
        max-height: calc(95vh - 4rem);
    }
    
    .download-modal-close {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
    }
    
    .download-hero-title {
        font-size: 2rem;
    }
    
    .download-hero-subtitle {
        font-size: 1rem;
    }
    
    .download-icon-wrapper {
        width: 80px;
        height: 80px;
    }
    
    .download-icon-glow {
        width: 100px;
        height: 100px;
    }
    
    .download-card {
        padding: 2rem 1.5rem;
    }
    
    .download-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }
    
    .btn-download-premium {
        padding: 1.5rem;
    }
    
    .btn-download-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-download-label {
        font-size: 1.2rem;
        text-align: center;
    }
    
    .download-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.mdbprime-version-card.pro {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 184, 148, 0.05) 50%, rgba(0, 0, 0, 0.3) 100%);
}

.mdbprime-version-badge {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: rgba(0, 212, 170, 0.12);
    border: 2px solid rgba(0, 212, 170, 0.4);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.mdbprime-version-badge.pro-badge {
    background: var(--gradient-1);
    color: var(--bg-dark);
    border: 2px solid var(--primary-color);
}

.mdbprime-version-card h3 {
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mdbprime-version-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

@media (max-width: 968px) {
    .mdbprime-hero-title {
        font-size: 3.5rem;
    }
    
    .mdbprime-hero-subtitle {
        font-size: 1.2rem;
    }
    
    .mdbprime-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .mdbprime-versions-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .mdbprime-hero {
        padding: 10rem 2rem 4rem;
    }
    
    .mdbprime-hero-title {
        font-size: 2.5rem;
    }
    
    .mdbprime-hero-subtitle {
        font-size: 1rem;
    }
    
    .mdbprime-section-title {
        font-size: 2rem;
    }
    
    .mdbprime-intro-text {
        padding: 2.5rem 2rem;
    }
    
    .mdbprime-intro-description {
        font-size: 1rem;
    }
    
    .mdbprime-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mdbprime-feature-card {
        padding: 2rem 1.5rem;
    }
    
    .mdbprime-feature-icon {
        width: 80px;
        height: 80px;
    }
    
    .mdbprime-feature-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .mdbprime-feature-card h3 {
        font-size: 1.5rem;
    }
    
    .mdbprime-version-card {
        padding: 3rem 2rem;
    }
}

/* Modern Features Grid */
.features-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.features-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card-modern {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.feature-card-modern::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    transform: scale(0.5);
    pointer-events: none;
    z-index: 0;
}

.feature-card-modern:hover::before {
    opacity: 1;
    transform: scale(1);
}

.feature-card-modern::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 28px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.3), rgba(0, 184, 148, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
    z-index: 1;
}

.feature-card-modern:hover::after {
    opacity: 1;
}

.feature-card-modern:hover {
    border-color: var(--primary-color);
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 212, 170, 0.35);
}

.feature-card-number {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: rgba(0, 212, 170, 0.2);
    z-index: 2;
    transition: color 0.4s ease;
}

.feature-card-modern:hover .feature-card-number {
    color: rgba(0, 212, 170, 0.5);
}

.feature-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.8rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.feature-card-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 24px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: -1;
    filter: blur(10px);
}

.feature-card-modern:hover .feature-card-icon::before {
    opacity: 0.4;
}

.feature-card-modern:hover .feature-card-icon {
    transform: scale(1.15) rotate(5deg);
    background: rgba(0, 212, 170, 0.25);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.5);
}

.feature-card-icon svg {
    width: 40px;
    height: 40px;
    transition: transform 0.6s ease;
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
}

.feature-card-modern:hover .feature-card-icon svg {
    transform: scale(1.1);
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.8));
}

.feature-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
}

.feature-card-modern:hover .feature-card-title {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.feature-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 2;
    transition: color 0.4s ease;
}

.feature-card-modern:hover .feature-card-desc {
    color: var(--text-primary);
}

@media (max-width: 1024px) {
    .nav-container {
        padding: 0 3rem;
    }
    
    .features-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .features-grid-modern {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card-modern {
        padding: 2.5rem 2rem;
        min-height: 320px;
    }
    
    .feature-card-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 2rem;
    }
    
    .feature-card-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .feature-card-title {
        font-size: 1.5rem;
    }
}

/* About Page Styles */
.about-hero {
    padding: 12rem 2rem 6rem;
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.05) 0%, transparent 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.about-hero-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.about-hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-page {
    padding: 6rem 2rem;
    position: relative;
    z-index: 10;
}

.about-page-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-intro-section {
    margin-bottom: 6rem;
}

.about-intro-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 32px;
    padding: 4rem;
    margin-bottom: 4rem;
    text-align: center;
}

.about-section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-intro-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.about-stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.5s ease;
}

.about-stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.25);
}

.about-stat-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
}

.about-stat-icon svg {
    width: 40px;
    height: 40px;
}

.about-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.about-stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.about-features-section {
    margin-bottom: 6rem;
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.about-feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 28px;
    padding: 3rem;
    transition: all 0.5s ease;
}

.about-feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.25);
}

.about-feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
}

.about-feature-icon svg {
    width: 40px;
    height: 40px;
}

.about-feature-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-feature-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-mission-section {
    margin-bottom: 6rem;
}

.about-mission-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 32px;
    padding: 4rem;
    text-align: center;
}

.about-mission-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.about-vision-section {
    margin-bottom: 6rem;
}

.about-vision-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 32px;
    padding: 4rem;
    text-align: center;
}

.about-vision-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.about-services-section {
    margin-bottom: 4rem;
}

.about-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.about-service-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 28px;
    padding: 3rem;
    text-align: center;
    transition: all 0.5s ease;
}

.about-service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.25);
}

.about-service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 170, 0.1);
    border: 2px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
    transition: all 0.5s ease;
}

.about-service-card:hover .about-service-icon {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.4);
}

.about-service-icon svg {
    width: 40px;
    height: 40px;
}

.about-service-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-service-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

@media (max-width: 1024px) {
    .about-features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .about-hero-title {
        font-size: 3rem;
    }
    
    .about-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-intro-card,
    .about-mission-card,
    .about-vision-card {
        padding: 2.5rem 2rem;
    }
}