:root {
    --bg-dark: #0d0f12;
    --bg-card: #151921;
    --bg-code: #1a1f2a;
    --accent-warm: #e8a87c;
    --accent-coral: #e27d60;
    --accent-mint: #85dcb8;
    --accent-sky: #7ec8e3;
    --text-primary: #f5f5f5;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-subtle: #2a3140;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Ambient background */
.ambient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.ambient::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(232, 168, 124, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(133, 220, 184, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 10%, rgba(226, 125, 96, 0.05) 0%, transparent 40%);
    animation: drift 30s ease-in-out infinite alternate;
}

@keyframes drift {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-5%, -5%) rotate(3deg); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, var(--bg-dark) 0%, transparent 100%);
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--accent-warm);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-github {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-github svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--accent-warm) 0%, var(--accent-coral) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 2rem;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-warm) 0%, var(--accent-coral) 100%);
    color: #0d0f12;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(232, 168, 124, 0.3);
}

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

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

.btn svg {
    width: 18px;
    height: 18px;
}

/* Code Block */
.code-container {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    box-shadow: 
        0 4px 6px rgba(0, 0, 0, 0.1),
        0 20px 50px rgba(0, 0, 0, 0.2);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-code);
    border-bottom: 1px solid var(--border-subtle);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27ca40; }

.code-filename {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
}

pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
}

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
}

/* Syntax highlighting */
.kw { color: var(--accent-coral); }
.fn { color: var(--accent-sky); }
.str { color: var(--accent-mint); }
.num { color: var(--accent-warm); }
.cmt { color: var(--text-muted); font-style: italic; }
.op { color: var(--accent-warm); }
.var { color: var(--text-primary); }
.mod { color: #c9a0dc; }

/* Version badge */
.version-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.features-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--accent-warm);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.feature-code {
    margin-top: 1rem;
    background: var(--bg-code);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    overflow-x: auto;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "calt" 0;
}

.feature-code pre {
    margin: 0;
    padding: 0;
}

/* Example Section */
.example-section {
    padding: 6rem 2rem;
    background: linear-gradient(to bottom, transparent, rgba(21, 25, 33, 0.5), transparent);
}

.example-container {
    max-width: 900px;
    margin: 0 auto;
}

.example-header {
    text-align: center;
    margin-bottom: 3rem;
}

.example-header h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.example-header p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-text {
        text-align: center;
    }

    .hero-tagline {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 6rem 1rem 3rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .features {
        padding: 4rem 1rem;
    }
}