/* 
  Design System Tokens
  Background: #0B1020
  Surface: #11182B
  Surface subtle: #182138
  Text primary: #F4F7FB
  Text secondary: #B7C2D6
  Border: #2B3854
  Accent primary: #6EE7FF
  Accent secondary: #8B9CFF
  Success: #4ADE80
*/

:root {
    --bg: #0B1020;
    --surface: #11182B;
    --surface-subtle: #182138;
    --text-primary: #F4F7FB;
    --text-secondary: #B7C2D6;
    --border: #2B3854;
    --accent-primary: #6EE7FF;
    --accent-secondary: #8B9CFF;
    --success: #4ADE80;
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    background-color: rgba(11, 16, 32, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--accent-primary);
}

.main-nav {
    display: flex;
    gap: 24px;
}

.main-nav a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

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

.mobile-menu-toggle {
    display: none;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Hero */
.hero {
    padding: 100px 0 80px;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(to right, #ffffff, #B7C2D6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 24px;
    height: 48px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--bg);
}

.btn-primary:hover {
    background-color: #8EF0FF;
    color: var(--bg);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--surface-subtle);
    color: var(--text-primary);
    border-color: var(--accent-secondary);
}

/* Trust Strip */
.trust-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background-color: var(--surface);
    padding: 20px 0;
}

.trust-inner {
    display: flex;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.trust-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trust-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.trust-link {
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

.trust-link:hover {
    border-bottom-color: var(--accent-primary);
}

/* Features */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 48px;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--surface-subtle);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Quickstart */
.quickstart {
    padding: 80px 0;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.quickstart-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
}

.quickstart-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.quickstart-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.125rem;
}

.docs-links {
    list-style: none;
}

.docs-links li {
    margin-bottom: 16px;
}

.docs-links a {
    display: inline-flex;
    align-items: center;
    font-size: 1rem;
    font-weight: 500;
}

.quickstart-code-wrapper {
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background-color: var(--surface-subtle);
}

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

.copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.copy-btn.copied {
    color: var(--success);
}

.quickstart-code-wrapper pre {
    padding: 24px;
    overflow-x: auto;
}

.quickstart-code-wrapper code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Community */
.community {
    padding: 100px 0;
    text-align: center;
}

.community-inner {
    max-width: 600px;
}

.community h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.community p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.community-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.community-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 140px;
    transition: all 0.2s ease;
}

.community-link:hover {
    transform: translateY(-4px);
    border-color: var(--accent-secondary);
    color: var(--text-primary);
}

.community-link span {
    font-weight: 500;
    font-size: 0.875rem;
}

/* Footer */
.site-footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 0.875rem;
    max-width: 250px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 0.875rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .trust-inner {
        gap: 24px;
        justify-content: space-around;
    }

    .quickstart-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}