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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --accent-color: #3b82f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
        Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 1px;
}

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

.logo-text {
    color: var(--text-dark);
}

.nav {
    display: flex;
    gap: 30px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.btn-download {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.btn-download:hover {
    background-color: var(--primary-dark);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-play-store,
.btn-play-store-large {
    display: inline-block;
    transition:
        transform 0.3s ease,
        opacity 0.3s ease;
}

.btn-play-store:hover,
.btn-play-store-large:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.play-store-img {
    height: 60px;
    width: auto;
}

.hero-divider {
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--primary-color),
        var(--accent-color)
    );
    width: 100%;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Modes Section */
.modes-section {
    background-color: var(--bg-white);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.mode-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.mode-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.mode-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.mode-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.mode-card:hover .mode-image img {
    transform: scale(1.05);
}

.mode-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    padding: 20px 20px 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mode-description {
    padding: 0 20px 20px;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* Features Section */
.features-section {
    background-color: var(--bg-light);
}

.features-carousel {
    margin-top: 50px;
}

.feature-main {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-white);
}

.feature-image {
    width: 100%;
    height: auto;
    display: block;
}

.feature-thumbnails {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.feature-thumb {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition:
        border-color 0.3s ease,
        transform 0.3s ease;
    box-shadow: var(--shadow-md);
}

.feature-thumb:hover {
    transform: scale(1.1);
}

.feature-thumb.active {
    border-color: var(--primary-color);
}

.feature-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Gallery Section */
.gallery-section {
    background-color: var(--bg-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    background-color: var(--bg-light);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* News Section */
.news-section {
    background-color: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.news-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: 24px;
}

.news-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.news-date {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 12px;
}

.news-excerpt {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* Download Section */
.download-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 100px 0;
}

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

.download-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.download-text {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.btn-play-store-large .play-store-img {
    height: 70px;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.footer-logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: white;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-legal-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal-link:hover {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 15px;
        gap: 15px;
    }

    .nav-link {
        font-size: 12px;
    }

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

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .modes-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .play-store-img {
        height: 50px;
    }

    .btn-play-store-large .play-store-img {
        height: 60px;
    }
}