:root {
    --bg: #0a0e1a;
    --bg-alt: #0d1220;
    --card: #111729;
    --border: #202942;
    --text: #e6e9f2;
    --muted: #8b93ab;
    --accent: #818cf8;
    --accent-strong: #6366f1;
    --amber: #f59e0b;
    --radius: 12px;
    --container: 960px;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

code, pre {
    font-family: 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.container.narrow {
    max-width: 720px;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}

.brand:hover {
    text-decoration: none;
    color: var(--text);
}

.brand-mark {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, var(--accent), var(--accent-strong) 70%);
    box-shadow: 0 0 0 1px var(--border);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.9rem;
}

.site-nav a {
    color: var(--muted);
}

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

.nav-cta {
    color: var(--text) !important;
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 999px;
}

.nav-cta:hover {
    border-color: var(--accent);
}

/* Hero */

.hero {
    padding: 96px 0 64px;
    text-align: center;
    background:
        radial-gradient(600px 300px at 50% -10%, rgba(99, 102, 241, 0.18), transparent 70%),
        var(--bg);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    margin: 0 0 20px;
}

.lede {
    max-width: 620px;
    margin: 0 auto;
    color: var(--muted);
    font-size: 1.05rem;
}

.lede code {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    color: var(--text);
    font-size: 0.9em;
}

.cta-row {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
}

.btn:hover {
    text-decoration: none;
}

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

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

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

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Screenshot */

.screenshot-section {
    padding-top: 0;
}

.screenshot {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 30px 80px -24px rgba(0, 0, 0, 0.65);
}

.screenshot img {
    display: block;
    width: 100%;
    height: auto;
}

.screenshot-caption {
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    margin: 14px 0 0;
}

/* Sections */

.section {
    padding: 72px 0;
}

.section.alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 28px;
}

.section p {
    color: var(--muted);
}

/* Feature grid */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.card h3 {
    margin: 0 0 8px;
    font-size: 1.05rem;
    color: var(--text);
}

.card p {
    margin: 0;
    font-size: 0.92rem;
}

/* Steps */

.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.steps li {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--accent);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.steps h3 {
    margin: 0 0 4px;
    font-size: 1rem;
    color: var(--text);
}

.steps p {
    margin: 0;
    font-size: 0.92rem;
}

.steps code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    color: var(--text);
    font-size: 0.85em;
}

/* Code blocks */

pre {
    background: #05070d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    overflow-x: auto;
    font-size: 0.85rem;
    color: #c9d1e0;
}

pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
}

#quick-start code {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    color: var(--text);
    font-size: 0.85em;
}

#quick-start pre code {
    background: none;
    border: none;
    padding: 0;
}

/* Footer */

.site-footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.site-footer p {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

@media (max-width: 640px) {
    .site-nav {
        gap: 14px;
    }
    .hero {
        padding: 72px 0 48px;
    }
}