:root {
  --teal: #377977;
  --berry: #A44668;
  --ochre: #9D6F24;
  --violet: #654AA7;
  --bg: #F3F6F8;
  --card: #FFFFFF;
  --ink: #12202B;
  --muted: #5A6A78;
  --line: #D9E1E8;
  --tint: #E2EFEE;
}
@media (prefers-color-scheme: dark) {
  :root {
    --teal: #5BA8A4;
    --berry: #D07893;
    --ochre: #C9974A;
    --violet: #9C86DB;
    --bg: #0E171D;
    --card: #16232B;
    --ink: #E8EEF2;
    --muted: #9AAAB6;
    --line: #26353F;
    --tint: #17302F;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--teal); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

header { border-bottom: 1px solid var(--line); background: var(--card); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; }
.dots { display: grid; grid-template-columns: 10px 10px; gap: 3px; }
.dots span { width: 10px; height: 10px; border-radius: 3px; }
nav a { margin-left: 16px; text-decoration: none; font-weight: 600; }

.hero { padding: 56px 0 32px; }
.hero h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.5px; }
.hero .eyebrow { display: inline-block; margin: 0 0 14px; padding: 4px 12px; border-radius: 99px; background: var(--tint); color: var(--teal); font-size: 15px; font-weight: 700; letter-spacing: 0.2px; }
.hero p { font-size: 19px; color: var(--muted); margin: 0; max-width: 620px; }

.apps { display: grid; gap: 16px; padding: 16px 0 8px; }
.app { display: flex; gap: 18px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--c); border-radius: 18px; padding: 20px; }
.app img { width: 72px; height: 72px; border-radius: 18px; flex: none; }
.app h2 { margin: 0 0 4px; font-size: 22px; color: var(--c); }
.app p { margin: 0 0 8px; }
.app .meta { font-size: 15px; color: var(--muted); }
.pill { display: inline-block; font-size: 13px; font-weight: 700; padding: 2px 10px; border-radius: 99px; background: var(--tint); color: var(--teal); margin-right: 6px; }

.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding: 24px 0; }
.principles div { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.principles h3 { margin: 0 0 6px; font-size: 17px; }
.principles p { margin: 0; color: var(--muted); font-size: 15px; }

.doc { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin: 32px 0; }
.doc h1 { margin-top: 0; font-size: 30px; }
.doc h2 { font-size: 19px; margin: 24px 0 6px; }
.doc .facts { background: var(--tint); border-radius: 12px; padding: 12px 16px; font-size: 15px; }

footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer a { margin-right: 14px; }

@media (max-width: 520px) {
  .app { flex-direction: column; }
  nav a { margin-left: 10px; font-size: 15px; }
}