/* CSS Variables for Dark Theme */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-primary: #58a6ff;
    --accent-secondary: #1f6feb;
    --border-primary: #30363d;
    --border-secondary: #21262d;
    --success-color: #238636;
    --code-bg: #161b22;
    --code-border: #30363d;

    /* Typography */
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Fira Code', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Prevent horizontal overflow from sections */
section {
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    padding: var(--space-md) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

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

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

.nav-separator {
    width: 1px;
    height: 1.25rem;
    background-color: var(--border-primary);
    margin: 0 var(--space-sm);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(88, 166, 255, 0.1) 0%, transparent 25%),
        radial-gradient(circle at 75% 75%, rgba(31, 111, 235, 0.1) 0%, transparent 25%);
    pointer-events: none;
}

.hero-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.hero-right {
    text-align: left;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-tagline {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-demo {
    margin-bottom: var(--space-2xl);
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    transition: all 0.2s ease;
}

.badge:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.badge-info {
    background-color: var(--bg-secondary);
    border-color: var(--border-secondary);
}

.badge-info:hover {
    background-color: var(--bg-tertiary);
}

/* Code Blocks */
.code-block {
    background-color: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--code-border);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.copy-btn {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.code-block pre {
    margin: 0;
    padding: var(--space-lg);
    background: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Sections */
section {
    padding: var(--space-3xl) 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-2xl);
    color: var(--text-primary);
}

/* Features Grid */
.features {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background-color: var(--bg-tertiary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

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

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Section Headings */
.section-heading {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.section-subheading {
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
}

/* Benchmarks Grid */
.benchmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: var(--space-lg);
}

.benchmark-card-wrapper {
    display: flex;
    flex-direction: column;
}

.benchmark-card {
    background-color: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    transition: transform 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    flex: 1;
}

.benchmark-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

.benchmark-origin {
    margin-top: var(--space-sm);
    text-align: center;
    padding: var(--space-xs) 0;
}

.benchmark-origin a {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.benchmark-origin a:hover {
    color: var(--accent-primary);
}


.benchmark-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--accent-primary);
}

.benchmark-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.benchmark-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-bottom: var(--space-sm);
}

.benchmark-link {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-top: var(--space-md);
    transition: color 0.2s ease;
}

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

/* Platforms Section - Blue tinted background */
.platforms {
    background-color: #111d2e !important;
}

.platforms .section-heading {
    color: #58a6ff !important;
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.platforms .section-subheading {
    color: #8b949e;
    margin-bottom: 1.5rem;
}

.platforms .benchmark-card {
    background-color: #1a2332 !important;
    border: 1px solid #253548 !important;
}

.platforms .benchmark-card:hover {
    border-color: #58a6ff !important;
    background-color: #1e2a3d !important;
}

/* Formats Section - Green/teal tinted background */
.formats {
    background-color: #0d1f1a !important;
}

.formats .section-intro {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    font-size: 1.125rem;
    line-height: 1.6;
}

.formats .section-heading {
    color: #3fb950 !important;
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.formats .section-subheading {
    color: #8b949e;
    margin-bottom: 1.5rem;
}

.formats .benchmark-card {
    background-color: #122620 !important;
    border: 1px solid #1f3a2f !important;
}

.formats .benchmark-card:hover {
    border-color: #3fb950 !important;
    background-color: #163528 !important;
}

.formats .benchmark-card h3 {
    color: #3fb950;
}

.formats-cta {
    max-width: 700px;
    margin: var(--space-2xl) auto 0;
}

.formats-cta .code-block {
    max-width: none;
}

/* MCP Section - Purple/violet tinted background */
.mcp {
    background-color: #1a1525 !important;
}

.mcp-intro {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    font-size: 1.125rem;
    line-height: 1.6;
}

.mcp-setup {
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.mcp .section-heading {
    color: #b392f0 !important;
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.mcp .section-subheading {
    color: #8b949e;
    margin-bottom: 1.5rem;
    text-align: center;
}

.mcp .benchmark-card {
    background-color: #221a30 !important;
    border: 1px solid #3d2e52 !important;
}

.mcp .benchmark-card:hover {
    border-color: #b392f0 !important;
    background-color: #2a1f3d !important;
}

.mcp .benchmark-card h3 {
    color: #b392f0;
}

.mcp-example {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: #9ecbff;
    background-color: rgba(158, 203, 255, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    display: block;
}

.mcp-card p:last-child {
    color: var(--text-secondary);
    margin-top: var(--space-md);
    margin-bottom: 0;
}

.mcp-docs-link {
    text-align: center;
    margin-top: var(--space-2xl);
}

.mcp-docs-link .badge {
    background-color: #b392f0;
    color: #0d1117;
    border-color: #b392f0;
    font-weight: 600;
}

.mcp-docs-link .badge:hover {
    background-color: #d4bbff;
    border-color: #d4bbff;
}

/* Installation Section */
.install {
    background-color: var(--bg-primary);
}

.install-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.install-step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.install-step .code-block {
    max-width: none;
}

.requirements {
    background-color: var(--bg-tertiary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.requirements h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

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

.requirements li {
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-lg);
}

.requirements li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Footer */
.footer {
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
    padding: var(--space-2xl) 0 var(--space-lg) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

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

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile Navigation - hide page section links, keep main links */
    .nav-links {
        gap: var(--space-md);
    }

    .nav-links .nav-separator,
    .nav-links a[href^="#"] {
        display: none;
    }

    .hero {
        padding: calc(60px + var(--space-2xl)) 0 var(--space-2xl) 0;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .hero-left {
        order: 2;
    }

    .hero-right {
        order: 1;
        text-align: center;
    }

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

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }

    .hero-image {
        max-width: 250px;
    }

    .hero-badges {
        flex-direction: column;
        align-items: center;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    section h2 {
        font-size: 2rem;
    }

    .section-heading {
        font-size: 1.25rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    /* Code block mobile fixes */
    .code-block {
        max-width: 100%;
        border-radius: var(--radius-md);
    }

    .code-block pre {
        padding: var(--space-md);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .code-block code {
        font-size: 0.8rem;
        white-space: pre;
        word-break: normal;
    }

    .code-header {
        padding: var(--space-sm) var(--space-md);
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .code-header span {
        font-size: 0.75rem;
    }

    /* MCP examples on mobile */
    .mcp-example {
        font-size: 0.75rem;
        word-break: break-word;
    }

    /* Benchmark cards on mobile */
    .benchmark-card {
        padding: var(--space-md);
    }

    .benchmark-card h3 {
        font-size: 1rem;
    }

    .benchmark-card p {
        font-size: 0.875rem;
    }

    .benchmark-meta {
        font-size: 0.7rem;
    }

    /* Feature cards on mobile */
    .feature-card {
        padding: var(--space-lg);
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .feature-card h3 {
        font-size: 1.125rem;
    }

    /* Section intros */
    .mcp-intro,
    .formats .section-intro {
        font-size: 1rem;
        padding: 0 var(--space-sm);
    }

    /* Install section */
    .requirements {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    /* Very small screens - even more compact */
    .nav-container {
        padding: 0 var(--space-md);
    }

    .nav-logo {
        font-size: 1.1rem;
    }

    .nav-links {
        gap: var(--space-sm);
    }

    .nav-links a {
        font-size: 0.875rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-tagline {
        font-size: 0.9375rem;
    }

    .hero-subtitle {
        font-size: 0.875rem;
    }

    .hero-image {
        max-width: 180px;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .section-heading {
        font-size: 1.125rem;
    }

    .code-block pre {
        padding: var(--space-sm);
    }

    .code-block code {
        font-size: 0.7rem;
    }

    .badge {
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-sm);
    }

    /* Stack code header on very small screens */
    .code-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .copy-btn {
        align-self: flex-end;
        margin-top: var(--space-xs);
    }
}

/* Extra small screens (320px and below) */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .hero-title {
        font-size: 1.25rem;
    }

    section h2 {
        font-size: 1.25rem;
    }

    .section-heading {
        font-size: 1rem;
    }

    .nav-links a {
        font-size: 0.75rem;
    }

    .hero-image {
        max-width: 150px;
    }

    .feature-card,
    .benchmark-card {
        padding: var(--space-md);
    }

    .mcp-example {
        font-size: 0.65rem;
        padding: var(--space-xs);
    }
}

/* Smooth animations */
@media (prefers-reduced-motion: no-preference) {

    .feature-card,
    .benchmark-card,
    .badge {
        transition: transform 0.2s ease, border-color 0.2s ease;
    }
}

/* Copy success state */
.copy-btn.copied {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

/* Code syntax highlighting adjustments for dark theme */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: var(--text-muted);
}

.token.punctuation {
    color: var(--text-secondary);
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
    color: #f97583;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
    color: #9ecbff;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
    color: #79b8ff;
}

.token.atrule,
.token.attr-value,
.token.keyword {
    color: #b392f0;
}

.token.function,
.token.class-name {
    color: #b392f0;
}

.token.regex,
.token.important,
.token.variable {
    color: #ffab70;
}