:root {
  --ink: #14202e; --muted: #556274; --line: #e3e7ec; --bg: #fbfbf9; --card: #ffffff;
  --brand: #1f3a5f; --accent: #2f7d6d;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e8edf2; --muted: #9aa7b5; --line: #263241; --bg: #0f151c; --card: #151d27; --brand: #8fb3e0; --accent: #5cc2a9; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 22px; padding-bottom: 22px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.mark { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 7px; background: var(--brand); color: var(--bg); font-size: 16px; }
nav { display: flex; gap: 20px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }
.hero { padding-top: 72px; padding-bottom: 72px; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 20px; max-width: 18ch; }
.lede { color: var(--muted); font-size: 19px; max-width: 58ch; margin: 0 0 28px; }
.btn { display: inline-block; background: var(--brand); color: var(--bg); padding: 12px 20px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; padding-bottom: 64px; }
.grid article { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.grid h2 { font-size: 19px; margin: 0 0 8px; }
.grid p { color: var(--muted); margin: 0; font-size: 16px; }
.principles, .contact { padding-bottom: 56px; }
.principles h2, .contact h2 { font-size: 24px; letter-spacing: -0.01em; }
.principles ul { padding-left: 20px; color: var(--muted); max-width: 64ch; }
.principles li { margin-bottom: 8px; }
.principles strong { color: var(--ink); }
.foot { border-top: 1px solid var(--line); padding-top: 22px; padding-bottom: 40px; color: var(--muted); font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.foot p { margin: 0; }
.doc { padding-top: 40px; padding-bottom: 64px; max-width: 760px; }
.doc h1 { font-size: 36px; max-width: none; }
.doc h2 { font-size: 20px; margin-top: 32px; }
.doc p, .doc li { color: var(--muted); }
.quiet { padding-top: 96px; padding-bottom: 120px; }
.quiet h1 { max-width: none; font-size: clamp(30px, 4.5vw, 44px); }
.small { color: var(--muted); font-size: 15px; }