@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary-color: #0A1628;
    --primary-accent: #1E40AF;
    --accent-blue: #3B82F6;
    --text: #0F172A;
    --muted: #475569;
    --muted-soft: #64748B;
    --line: #E2E8F0;
    --surface: #ffffff;
    --surface-alt: #F8FAFC;
    --brand: #0A1628;
    --brand-dark: #1E40AF;
    --code-bg: #0F172A;
    --code-text: #d9e8f7;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--surface);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
}

.brand img {
    height: 32px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.nav a {
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
}

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

.nav-cta {
    padding: 10px 20px;
    border-radius: 8px;
    background: var(--primary-color);
    color: #fff !important;
    font-weight: 600;
}

.hero {
    padding: 128px 0 40px;
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-alt) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
    gap: 24px;
    align-items: start;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--surface-alt);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 16px;
}

h1 {
    margin: 0 0 14px;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.hero p {
    margin: 0;
    color: var(--muted-soft);
    font-size: 1.03rem;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-secondary {
    background: #fff;
    border-color: var(--line);
    color: var(--text);
}

.hero-side {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.hero-side h2 {
    margin: 0 0 10px;
    font-size: 1rem;
}

.hero-side ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted-soft);
}

.docs-layout {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 22px;
    padding: 18px 0 56px;
}

.sidebar {
    position: sticky;
    top: 84px;
    align-self: start;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
}

.sidebar h3 {
    margin: 0 0 12px;
    font-size: 0.96rem;
}

.sidebar a {
    display: block;
    color: var(--muted);
    padding: 8px 0;
    font-size: 14px;
}

.sidebar a.active {
    color: var(--primary-accent);
    font-weight: 600;
}

.content {
    display: grid;
    gap: 18px;
}

.section {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
}

.section h2 {
    margin: 0 0 12px;
    font-size: 1.5rem;
}

.section h3 {
    margin: 20px 0 10px;
    font-size: 1.05rem;
}

.section p {
    margin: 0 0 12px;
    color: var(--muted-soft);
}

.section ul, .section ol {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--muted-soft);
}

.section li + li {
    margin-top: 8px;
}

.code {
    background: var(--code-bg);
    color: var(--code-text);
    border-radius: 16px;
    overflow: hidden;
}

.code-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.code-head strong {
    color: #fff;
}

.copy-btn {
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.04);
    color: var(--code-text);
    border-radius: 10px;
    padding: 8px 11px;
    cursor: pointer;
}

pre {
    margin: 0;
    padding: 18px;
    overflow-x: auto;
    font-size: 0.92rem;
    line-height: 1.5;
}

code, .inline-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.inline-code {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 8px;
    background: #e2e8f0;
    font-size: 0.92rem;
}

.callout {
    padding: 14px 16px;
    border-radius: 14px;
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    color: #1D4ED8;
}

.footer {
    padding: 12px 0 56px;
    color: var(--muted-soft);
    font-size: 0.92rem;
}

@media (max-width: 920px) {
    .hero-grid,
    .docs-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }
}

@media (max-width: 700px) {
    .nav {
        display: none;
    }
}