/* OpenCode Documentation Site - Modern Developer Theme */

:root {
    /* Colors - Vibrant Tech Theme */
    --bg-primary: #09090b;
    --bg-secondary: #0f0f12;
    --bg-tertiary: #151518;
    --bg-card: #1a1a1f;
    --bg-hover: #222228;
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-green: #22c55e;
    --accent-orange: #f97316;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;
    
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    
    --border-color: #27272a;
    --border-light: #3f3f46;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'JetBrains Mono', monospace;
    
    --container-max: 1280px;
    --section-padding: 7rem;
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 60px rgba(59,130,246,0.15);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 2rem; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(9,9,11,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    transition: opacity var(--transition-fast);
}

.logo:hover { opacity: 0.8; }

.logo-icon { width: 32px; height: 32px; color: var(--accent-blue); }

.nav-links { display: flex; align-items: center; gap: 2.5rem; }

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 30px rgba(59,130,246,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(59,130,246,0.4);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover { background: var(--bg-tertiary); }

.btn-large { padding: 1rem 2.25rem; font-size: 1rem; }

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 10rem 0 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 100% 80% at 50% -30%, rgba(59,130,246,0.2) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 90% 20%, rgba(139,92,246,0.15) 0%, transparent 40%),
        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(236,72,153,0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
}

.hero-content { text-align: center; max-width: 900px; margin: 0 auto; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent-blue);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 4rem; }

/* Terminal */
.hero-terminal {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    text-align: left;
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons { display: flex; gap: 8px; }

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #ff5f56; }
.btn-minimize { background: #ffbd2e; }
.btn-maximize { background: #27ca40; }

.terminal-title {
    margin-left: auto;
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
}

.terminal-line { margin-bottom: 0.25rem; }
.terminal-line.output { color: var(--text-secondary); }

.prompt { color: var(--accent-green); margin-right: 0.75rem; }
.command { color: var(--text-primary); }
.success { color: var(--accent-green); margin-right: 0.5rem; }
.info { color: var(--accent-blue); margin-right: 0.5rem; }
.highlight { color: var(--accent-cyan); }
.cursor { animation: blink 1s step-end infinite; }

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

/* Stats */
.stats-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item { padding: 1rem; }

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
}

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

/* Section Headers */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }

.section-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-description { font-size: 1.125rem; color: var(--text-secondary); }

.section-footer { text-align: center; margin-top: 3rem; }

/* Features */
.features { padding: var(--section-padding) 0; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon svg { width: 26px; height: 26px; }

.feature-icon.blue { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.feature-icon.purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.feature-icon.green { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.feature-icon.orange { background: rgba(249,115,22,0.15); color: var(--accent-orange); }
.feature-icon.pink { background: rgba(236,72,153,0.15); color: var(--accent-pink); }
.feature-icon.cyan { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.feature-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 1rem; }

.feature-link {
    color: var(--accent-blue);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.feature-link:hover { color: var(--accent-cyan); }

/* Code Section */
.code-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.code-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.code-content h2 { font-size: 2.25rem; font-weight: 700; margin: 1rem 0; }
.code-content p { color: var(--text-secondary); margin-bottom: 2rem; }

.check-list { margin-bottom: 2rem; }

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.check-list svg { width: 20px; height: 20px; color: var(--accent-green); flex-shrink: 0; }

.code-window {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.code-tabs { display: flex; }

.code-tab {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: var(--font-mono);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.code-tab:hover { color: var(--text-secondary); }
.code-tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }

.code-block {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    overflow-x: auto;
    margin: 0;
}

.code-block.hidden { display: none; }

.code-block .keyword { color: var(--accent-purple); }
.code-block .property { color: var(--accent-blue); }
.code-block .string { color: var(--accent-green); }
.code-block .number { color: var(--accent-orange); }
.code-block .boolean { color: var(--accent-pink); }
.code-block .comment { color: var(--text-muted); }

/* Docs Preview */
.docs-preview { padding: var(--section-padding) 0; }

.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.doc-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.doc-card:hover {
    border-color: var(--accent-blue);
    background: var(--bg-tertiary);
    transform: translateX(4px);
}

.doc-icon { font-size: 1.75rem; }
.doc-content { flex: 1; }
.doc-content h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }
.doc-content p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }
.doc-arrow { color: var(--text-muted); font-size: 1.25rem; transition: transform var(--transition-fast); }
.doc-card:hover .doc-arrow { transform: translateX(4px); color: var(--accent-blue); }

/* News */
.news-section { padding: var(--section-padding) 0; background: var(--bg-secondary); }

.news-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1.5rem;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.news-card:hover { border-color: var(--border-light); }

.news-card.featured { grid-row: span 2; }

.news-image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
}

.news-image img { width: 100%; height: 100%; object-fit: cover; }

.news-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    background: var(--accent-blue);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
}

.news-content { padding: 1.5rem; }

.news-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.news-date { font-size: 0.8125rem; color: var(--text-muted); }
.news-category { font-size: 0.75rem; color: var(--accent-blue); font-weight: 500; }

.news-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; line-height: 1.4; }
.news-card p { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 1rem; }

.news-link { color: var(--accent-blue); font-size: 0.875rem; font-weight: 500; }

/* Testimonials */
.testimonials-section { padding: var(--section-padding) 0; }

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.testimonial-card p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.testimonial-author { display: flex; align-items: center; gap: 1rem; }

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.author-info { display: flex; flex-direction: column; }
.author-name { font-weight: 600; font-size: 0.9375rem; }
.author-title { font-size: 0.8125rem; color: var(--text-muted); }

/* CTA */
.cta-section {
    padding: var(--section-padding) 0;
    background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(59,130,246,0.15) 0%, transparent 50%);
}

.cta-content { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; }
.cta-content p { font-size: 1.125rem; color: var(--text-secondary); margin-bottom: 2rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { padding: 5rem 0 2rem; border-top: 1px solid var(--border-color); }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand { max-width: 300px; }
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9375rem; }

.footer-links h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-links ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { color: var(--text-secondary); font-size: 0.9375rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--text-primary); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p { color: var(--text-muted); font-size: 0.875rem; }
.footer-social { display: flex; gap: 1rem; }
.footer-social a { color: var(--text-muted); transition: color var(--transition-fast); }
.footer-social a:hover { color: var(--text-primary); }

/* Responsive */
@media (max-width: 1024px) {
    .features-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .docs-grid { grid-template-columns: repeat(2, 1fr); }
    .code-grid { grid-template-columns: 1fr; gap: 3rem; }
    .news-grid { grid-template-columns: 1fr; }
    .news-card.featured { grid-row: auto; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --section-padding: 5rem; }
    .container { padding: 0 1.5rem; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid, .docs-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; }
    .cta-actions { flex-direction: column; align-items: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}