* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow-x: hidden;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.8s ease-out;
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #4285f4;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(
        135deg,
        #4285f4 0%,
        #34a853 25%,
        #fbbc05 50%,
        #ea4335 75%,
        #4285f4 100%
    );
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 16px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #4285f4, #34a853);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover::before {
    width: 80%;
}

.nav-links a:hover {
    color: #4285f4;
    background: rgba(66, 133, 244, 0.1);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 50px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    animation: wave 10s ease-in-out infinite;
}

@keyframes wave {
    0%,
    100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-50px);
    }
}

.hero-content {
    max-width: 900px;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%,
    100% {
        text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    }
    50% {
        text-shadow: 2px 2px 30px rgba(255, 255, 255, 0.5);
    }
}

.hero p {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 18px 50px;
    background: white;
    color: #4285f4;
    text-decoration: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.section {
    padding: 100px 50px;
    background: white;
    position: relative;
}

.section:nth-child(even) {
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 800;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4285f4, #34a853);
    margin: 20px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: #666;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats-section {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    padding: 80px 50px;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    color: white;
    animation: scaleIn 0.6s ease-out backwards;
}

.stat-item:nth-child(1) {
    animation-delay: 0.1s;
}
.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}
.stat-item:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 10px;
    animation: countUp 2s ease-out;
}

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

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

.categories-section {
    padding: 100px 50px;
    background: white;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 60px auto 0;
}

.category-card {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s ease;
    animation: fadeInUp 0.6s ease-out backwards;
    cursor: pointer;
}

.category-card:nth-child(1) {
    animation-delay: 0.1s;
}
.category-card:nth-child(2) {
    animation-delay: 0.2s;
}
.category-card:nth-child(3) {
    animation-delay: 0.3s;
}
.category-card:nth-child(4) {
    animation-delay: 0.4s;
}
.category-card:nth-child(5) {
    animation-delay: 0.5s;
}
.category-card:nth-child(6) {
    animation-delay: 0.6s;
}
.category-card:nth-child(7) {
    animation-delay: 0.7s;
}
.category-card:nth-child(8) {
    animation-delay: 0.8s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: white;
}

.category-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    border-radius: 50%;
    color: white;
    transition: transform 0.3s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(10deg);
}

.category-card:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #ea4335 0%, #fbbc05 100%);
}

.category-card:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #34a853 0%, #4285f4 100%);
}

.category-card:nth-child(4) .category-icon {
    background: linear-gradient(135deg, #fbbc05 0%, #ea4335 100%);
}

.category-card:nth-child(5) .category-icon {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
}

.category-card:nth-child(6) .category-icon {
    background: linear-gradient(135deg, #ea4335 0%, #fbbc05 100%);
}

.category-card:nth-child(7) .category-icon {
    background: linear-gradient(135deg, #34a853 0%, #4285f4 100%);
}

.category-card:nth-child(8) .category-icon {
    background: linear-gradient(135deg, #fbbc05 0%, #ea4335 100%);
}

.category-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.category-card p {
    color: #666;
    font-size: 14px;
}

.featured-section {
    padding: 100px 50px;
    background: #f8f9fa;
}

.extensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 60px auto 0;
}

.extension-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    animation: fadeInUp 0.6s ease-out backwards;
}

.extension-card:nth-child(1) {
    animation-delay: 0.1s;
}
.extension-card:nth-child(2) {
    animation-delay: 0.2s;
}
.extension-card:nth-child(3) {
    animation-delay: 0.3s;
}
.extension-card:nth-child(4) {
    animation-delay: 0.4s;
}
.extension-card:nth-child(5) {
    animation-delay: 0.5s;
}
.extension-card:nth-child(6) {
    animation-delay: 0.6s;
}

.extension-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.extension-icon {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: white;
}

.extension-card:nth-child(2) .extension-icon {
    background: linear-gradient(135deg, #ea4335 0%, #fbbc05 100%);
}

.extension-card:nth-child(3) .extension-icon {
    background: linear-gradient(135deg, #34a853 0%, #4285f4 100%);
}

.extension-card:nth-child(4) .extension-icon {
    background: linear-gradient(135deg, #fbbc05 0%, #ea4335 100%);
}

.extension-card:nth-child(5) .extension-icon {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
}

.extension-card:nth-child(6) .extension-icon {
    background: linear-gradient(135deg, #ea4335 0%, #fbbc05 100%);
}

.extension-content {
    padding: 25px;
}

.extension-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.extension-content p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.extension-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.rating {
    color: #fbbc05;
    font-size: 16px;
}

.users {
    color: #999;
    font-size: 12px;
}

.install-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 133, 244, 0.3);
}

.themes-section {
    padding: 100px 50px;
    background: white;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 60px auto 0;
}

.theme-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    animation: fadeInUp 0.6s ease-out backwards;
}

.theme-card:nth-child(1) {
    animation-delay: 0.1s;
}
.theme-card:nth-child(2) {
    animation-delay: 0.2s;
}
.theme-card:nth-child(3) {
    animation-delay: 0.3s;
}
.theme-card:nth-child(4) {
    animation-delay: 0.4s;
}

.theme-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.theme-preview {
    height: 150px;
    position: relative;
}

.theme-preview::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        var(--theme-color-1),
        var(--theme-color-2)
    );
}

.theme-content {
    padding: 20px;
    background: white;
}

.theme-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.theme-content p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.theme-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: #333;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.theme-btn:hover {
    background: #000;
}

.howto-section {
    padding: 100px 50px;
    background: #f8f9fa;
}

.howto-container {
    max-width: 900px;
    margin: 60px auto 0;
}

.howto-step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    animation: slideIn 0.6s ease-out backwards;
}

.howto-step:nth-child(1) {
    animation-delay: 0.1s;
}
.howto-step:nth-child(2) {
    animation-delay: 0.2s;
}
.howto-step:nth-child(3) {
    animation-delay: 0.3s;
}
.howto-step:nth-child(4) {
    animation-delay: 0.4s;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4285f4, #34a853);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.step-content p {
    color: #666;
    line-height: 1.8;
}

.footer {
    background: #1a1a2e;
    color: white;
    padding: 60px 50px 30px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #4285f4;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    color: rgba(255, 255, 255, 0.5);
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4285f4, #34a853);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .category-grid,
    .extensions-grid,
    .themes-grid {
        grid-template-columns: 1fr;
    }

    .howto-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }
}