/* Placeholder look until Rhino has a brand: swap the tokens below. */
:root { --bg: #ffffff; --ink: #14161c; --muted: #5b6070; --line: #e4e6eb; --accent: #2b5cd6; --font: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1115; --ink: #eceef2; --muted: #9aa0ad; --line: #262a33; --accent: #7aa2ff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--font); }
header, main, footer { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 24px; padding-bottom: 8px; }
.mark { font-weight: 800; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; font-size: 18px; }
h1 { font-size: 32px; line-height: 1.2; margin: 32px 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 19px; margin: 32px 0 6px; }
.lead { font-size: 18px; color: var(--muted); }
.muted { color: var(--muted); }
a { color: var(--accent); }
ul { padding-left: 20px; }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 16px; padding-bottom: 32px; color: var(--muted); font-size: 14px; }