:root {
  color-scheme: dark;
  --bg: #090a0f;
  --surface: #14151e;
  --border: #2a2c3d;
  --text: #d1d3e0;
  --muted: #9a9cb0;
  --heading: #ffffff;
  --primary: #9b72ff;
}

* { box-sizing: border-box; }
html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); }
body { margin: 0; color: var(--text); background: radial-gradient(circle at 85% 0%, rgba(155, 114, 255, .14), transparent 32rem), var(--bg); font-size: 16px; line-height: 1.7; }
a { color: inherit; }
.site-header { border-bottom: 1px solid rgba(255,255,255,.08); }
.site-header-inner, main, footer { width: min(100% - 40px, 820px); margin-inline: auto; }
.site-header-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--heading); font-weight: 750; text-decoration: none; letter-spacing: -.02em; }
nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: .9rem; color: var(--muted); }
nav a:hover, .text-link:hover { color: var(--heading); }
main { padding-block: 72px 88px; }
.eyebrow { color: var(--primary); font-weight: 700; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
h1, h2 { color: var(--heading); letter-spacing: -.035em; line-height: 1.12; }
h1 { margin: 10px 0 24px; font-size: clamp(2.35rem, 7vw, 4.4rem); }
h2 { margin: 44px 0 12px; font-size: clamp(1.45rem, 4vw, 2rem); }
p, li { max-width: 72ch; }
.lead { color: var(--muted); font-size: 1.15rem; }
.card { margin-top: 32px; padding: 24px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.card h2 { margin-top: 0; }
.text-link { color: #b18cff; text-underline-offset: 4px; }
footer { padding-block: 24px 42px; border-top: 1px solid rgba(255,255,255,.08); color: var(--muted); font-size: .85rem; }
@media (max-width: 600px) { .site-header-inner { align-items: flex-start; flex-direction: column; padding-block: 18px; } main { padding-top: 48px; } }