/* mGBA Developer 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: #10b981;
    --accent-hover: #059669;
    --gradient-start: #10b981;
    --gradient-end: #3b82f6;
}

[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: #10b981;
    --accent-hover: #34d399;
    --gradient-start: #10b981;
    --gradient-end: #3b82f6;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Monaco', 'Courier New', monospace, 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;
}

/* Font Display Optimization */
@font-face {
    font-family: system-ui;
    font-display: swap;
}

/* Font Display Optimization */
@font-face {
    font-family: system-ui;
    font-display: swap;
}

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

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-item:not(:last-child)::after {
    content: "›";
    color: var(--text-tertiary);
    margin-left: 0.5rem;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-item:not(:last-child)::after {
    content: "›";
    color: var(--text-tertiary);
    margin-left: 0.5rem;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
}

/* 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;
    backdrop-filter: blur(10px);
}

.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;
    aspect-ratio: 70 / 40;
    object-fit: contain;
}

.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);
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    min-width: 48px;
    min-height: 48px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    margin-right: 0.5rem;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

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

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    min-width: 48px;
    min-height: 48px;
    cursor: pointer;
    font-size: 1.25rem;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* 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;
}

.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;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    min-height: 48px;
    min-width: 48px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.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(16, 185, 129, 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;
    aspect-ratio: 1;
    display: inline-block;
    min-height: 3rem;
}

.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;
}

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

.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;
}

/* 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;
    aspect-ratio: 1;
    display: inline-block;
    min-height: 3rem;
}

.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;
}

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

.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);
}

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

/* Docs Resources Section */
.docs-resources-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

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

.docs-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, border-color 0.2s ease;
}

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

.docs-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.docs-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.resource-links {
    list-style: none;
    padding: 0;
}

.resource-links li {
    margin-bottom: 0.5rem;
}

.resource-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.resource-links a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

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

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

.community-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, border-color 0.2s ease;
}

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

.community-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    aspect-ratio: 1;
    display: inline-block;
    min-height: 3rem;
}

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

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

.community-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

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

/* Code Example Section */
.code-example-section {
    padding: 5rem 0;
    background-color: var(--bg-primary);
}

.code-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.code-example-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, border-color 0.2s ease;
}

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

.code-example-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.code-example-card pre {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-example-card code {
    font-family: 'Monaco', 'Courier New', monospace;
    color: var(--text-light);
}

/* Layout Stability (CLS) Improvements */
img, video, iframe, embed, object {
    max-width: 100%;
    height: auto;
}

/* Ensure images don't cause layout shifts */
img[width][height] {
    aspect-ratio: attr(width) / attr(height);
}

/* Prevent layout shifts from dynamic content */
.download-platform-option,
.feature-card,
.platform-card,
.community-card,
.docs-card,
.code-example-card,
.info-card,
.spec-item {
    contain: layout style paint;
}

/* Ensure buttons maintain size */
.btn, .btn-primary, .btn-secondary {
    min-height: 48px;
    min-width: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.code-example-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.code-example-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;
    min-height: 48px;
    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;
}

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

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

.download-main {
    margin-bottom: 3rem;
}

.download-card {
    padding: 3rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.15);
    border-color: var(--accent-color);
}

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

.download-icon {
    font-size: 4rem;
    width: 80px;
    height: 80px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

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

.download-version {
    font-size: 1.125rem;
    color: var(--accent-color);
    font-weight: 600;
}

.download-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.download-detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.detail-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.download-button-container {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.download-btn-icon {
    font-size: 1.5rem;
}

.download-note {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin: 0;
}

.download-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.feature-check {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.25rem;
}

.download-feature span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

.download-info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-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, border-color 0.2s ease;
}

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

.info-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    line-height: 1.7;
    border-bottom: 1px solid var(--border-color);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.info-list a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* 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;
}

/* 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;
    }

    .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));
    }

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

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

    .code-examples-grid {
        grid-template-columns: 1fr;
    }

    .download-card {
        padding: 2rem;
    }

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

    .download-icon {
        width: 60px;
        height: 60px;
        font-size: 3rem;
    }

    .download-details {
        grid-template-columns: 1fr;
    }

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

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

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

/* 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; }

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

.scroll-reveal {
    animation: fadeInUp 0.6s ease-out;
}

/* Code Syntax Highlighting */
pre code {
    display: block;
    overflow-x: auto;
    padding: 1em;
}