/* mGBA Professional Site Styles */

:root {
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-light: #ffffff;
    --border-color: #e2e8f0;
    --accent-color: #14b8a6;
    --accent-hover: #0d9488;
    --gradient-start: #14b8a6;
    --gradient-end: #06b6d4;
}

[data-theme="dark"] {
    /* Dark Theme Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-dark: #020617;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-light: #f8fafc;
    --border-color: #334155;
    --accent-color: #14b8a6;
    --accent-hover: #06b6d4;
    --gradient-start: #14b8a6;
    --gradient-end: #06b6d4;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-img {
    width: 70px;
    height: 40px;
    border-radius: 4px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.header-nav a:hover {
    color: var(--accent-color);
}

.nav-link-docs {
    color: var(--accent-color) !important;
}

.nav-languages {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.5rem;
    padding-left: 0.5rem;
    border-left: 1px solid var(--border-color);
}

.nav-lang-link {
    color: var(--text-tertiary) !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-lang-link:hover {
    color: var(--accent-color) !important;
    background-color: var(--bg-secondary);
}

.nav-lang-link.active {
    color: var(--accent-color) !important;
    background-color: var(--bg-secondary);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.25rem;
    transition: background-color 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
}

/* Language Selector */
.language-selector {
    position: relative;
    display: inline-block;
}

.language-selector-button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.language-selector-button:hover {
    background-color: var(--bg-secondary);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.language-selector-button::after {
    content: '▼';
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.language-selector.active .language-selector-button::after {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1000;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: background-color 0.2s ease, color 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.language-dropdown a:last-child {
    border-bottom: none;
}

.language-dropdown a:hover {
    background-color: var(--bg-secondary);
    color: var(--accent-color);
}

.language-dropdown a.active {
    background-color: var(--bg-secondary);
    color: var(--accent-color);
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Platforms Section */
.platforms-section {
    padding: 5rem 0;
    background-color: var(--bg-secondary);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.platform-card {
    padding: 2rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.platform-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.platform-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.platform-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.platform-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.platforms-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Download Section */
.download-section {
    padding: 5rem 0;
    background-color: var(--bg-secondary);
}

.download-tabs-container {
    margin-top: 3rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.download-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem;
}

.download-tab {
    flex: 1;
    min-width: 120px;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    position: relative;
}

.download-tab:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.download-tab.active {
    background-color: var(--accent-color);
    color: white;
}

.download-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--bg-primary);
}

.tab-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.tab-label {
    white-space: nowrap;
}

.download-tab-content {
    display: none;
    padding: 3rem;
    animation: fadeIn 0.3s ease;
}

.download-tab-content.active {
    display: block;
}

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

.download-content-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.download-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.platform-icon-large {
    font-size: 4rem;
    min-width: 4rem;
    text-align: center;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon-large img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.platform-header-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.version-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.download-description {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.download-content-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.download-info-column h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.download-requirements {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.download-requirements li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    padding-left: 1.75rem;
    position: relative;
    line-height: 1.6;
}

.download-requirements li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.125rem;
}

.download-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.meta-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.meta-value {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 600;
}

.download-actions-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.btn-download-large {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.75rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: left;
}

.download-icon-large {
    font-size: 2rem;
    line-height: 1;
    flex-shrink: 0;
}

.download-btn-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.download-btn-title {
    font-size: 1.0625rem;
    font-weight: 700;
}

.download-btn-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
}

.btn-primary.btn-download-large {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.25);
}

.btn-primary.btn-download-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.35);
}

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

.btn-secondary.btn-download-large:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.download-links-group {
    display: flex;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.download-link-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.download-link-item:hover {
    color: var(--accent-hover);
    transform: translateX(3px);
}

.download-info-box {
    margin-top: 4rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
}

.download-info-box h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-item {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.info-item strong {
    color: var(--text-primary);
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.download-changelog {
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.download-changelog h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.download-changelog ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.download-changelog li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9375rem;
}

.download-changelog li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

.view-changelog-link {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    margin-top: 0.5rem;
    transition: color 0.2s ease;
}

.view-changelog-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-secondary);
    transition: border-color 0.2s ease;
}

.faq-item:hover {
    border-color: var(--accent-color);
}

.faq-item.active {
    border-color: var(--accent-color);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.0625rem;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background-color: var(--bg-tertiary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Technical Specifications Section */
.specs-section {
    padding: 5rem 0;
    background-color: var(--bg-secondary);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.spec-item {
    padding: 2rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.spec-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.spec-item ul {
    list-style: none;
    padding: 0;
}

.spec-item li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.spec-item li:last-child {
    border-bottom: none;
}

.spec-item li:before {
    content: "✓ ";
    color: var(--accent-color);
    font-weight: 600;
    margin-right: 0.5rem;
}

/* Popular Games Section */
.games-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.game-card {
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.game-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.game-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.compatibility-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Performance Metrics Section */
.metrics-section {
    padding: 5rem 0;
    background-color: var(--bg-secondary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.metric-card {
    padding: 2rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.metric-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.metric-desc {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: white;
    color: var(--gradient-start);
}

.cta-section .btn-primary:hover {
    background: var(--bg-secondary);
    color: var(--gradient-start);
}

.cta-section .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
}

/* Footer */
.site-footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-section p {
    color: var(--text-tertiary);
    line-height: 1.7;
}

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

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.hero-description {
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.feature-details {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
    font-size: 0.9375rem;
}

.feature-details li {
    padding: 0.5rem 0;
    color: var(--text-tertiary);
    padding-left: 1.5rem;
    position: relative;
}

.feature-details li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

.features-more {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.features-more h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.features-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-list-item {
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-list-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.platform-details {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
    font-size: 0.875rem;
}

.platform-details li {
    padding: 0.375rem 0;
    color: var(--text-tertiary);
    padding-left: 1.25rem;
    position: relative;
}

.platform-details li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.metric-detail {
    margin-top: 1rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.performance-details {
    margin-top: 4rem;
    padding: 2rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.performance-details h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.performance-details > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.performance-details ul {
    list-style: none;
    padding: 0;
}

.performance-details li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    line-height: 1.8;
    padding-left: 1.5rem;
    position: relative;
}

.performance-details li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

.performance-details strong {
    color: var(--text-primary);
}

/* Use Cases Section */
.usecases-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.usecase-card {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.usecase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.usecase-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.usecase-card > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.usecase-card ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.usecase-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9375rem;
}

.usecase-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

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

    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 1rem;
        margin-top: 1rem;
        flex-wrap: wrap;
    }

    .nav-languages {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-top: 0.5rem;
        width: 100%;
        justify-content: center;
        gap: 0.75rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .platforms-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .download-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }

    .download-tab {
        min-width: auto;
        padding: 0.875rem 1rem;
    }

    .download-tab.active::after {
        display: none;
    }

    .download-content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .download-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .platform-icon-large {
        font-size: 3rem;
    }

    .platform-icon-large img {
        width: 48px;
        height: 48px;
    }

    .platform-header-info h3 {
        font-size: 1.75rem;
    }

    .download-links-group {
        flex-direction: column;
        gap: 1rem;
    }

    .info-content {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}

/* Documentation Styles (for docs/index.html) */
body.landing-page {
    /* Landing page specific styles */
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }