:root {
    --primary: #facc15;
    --primary-dark: #eab308;
    --primary-light: #fef08a;
    --bg: #0d0d0d;
    --bg-alt: #141414;
    --surface: #1a1a1a;
    --surface-elevated: #202020;
    --border: #2a2a2a;
    --text: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --success: #22c55e;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 2rem;
}

.lang-switch {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    gap: 0.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.25rem;
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.lang-btn.active {
    background: var(--primary);
    color: #000;
    font-weight: 500;
}

/* Header */
header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}

.logo svg {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85), rgba(20, 20, 20, 0.9)), url('logo.jpg');
    background-size: cover;
    background-position: center;
    border-radius: 0 0 24px 24px;
    margin-bottom: 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto 2rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: var(--surface-elevated);
}

/* Features */
.features {
    padding: 4rem 0;
}

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

.section-header h2 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.feature-card {
    background: var(--surface);
    padding: 2rem;
    transition: background 0.2s;
}

.feature-card:hover {
    background: var(--surface-elevated);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--surface-elevated);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-light);
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Code */
.code-section {
    padding: 4rem 0;
}

.code-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.code-title {
    font-size: 0.875rem;
    font-weight: 500;
}

.code-lang {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-content pre {
    font-family: 'SF Mono', 'Monaco', monospace;
    font-size: 0.875rem;
    line-height: 1.7;
}

.code-content .keyword {
    color: #ff79c6;
}

.code-content .string {
    color: #f1fa8c;
}

.code-content .function {
    color: #50fa7b;
}

.code-content .comment {
    color: var(--text-muted);
}

/* Install */
.install-section {
    padding: 4rem 0;
}

.install-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.install-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.install-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.install-copy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.875rem;
}

/* API Reference */
.api-section {
    padding: 4rem 0;
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.api-card {
    background: var(--surface);
    padding: 1.5rem;
}

.api-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-family: monospace;
    color: var(--primary-light);
}

.api-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Documentation */
.docs-section {
    padding: 4rem 0;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.doc-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    transition: all 0.2s;
}

.doc-card:hover {
    background: var(--surface-elevated);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.doc-icon {
    width: 48px;
    height: 48px;
    background: var(--surface-elevated);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.doc-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-light);
}

.doc-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
}

.doc-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

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

.footer-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }

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

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

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

    .install-block {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        display: none;
    }
}