/* FeatherClean site. Colours follow docs/universal/design/tokens.json. */
:root {
  color-scheme: light dark;
  --ground: #e9ecf5; --panel: rgba(255, 255, 255, .55); --line: rgba(60, 60, 67, .12);
  --text: #1d1d1f; --muted: #3c3c43; --accent: #0a64e8;
  --field-a: #b9a7ff; --field-b: #8fd3ff; --field-c: #9be8c4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #12131a; --panel: rgba(255, 255, 255, .06); --line: rgba(255, 255, 255, .12);
    --text: #f2f3f7; --muted: #b4b8c6; --accent: #5aa2ff;
    --field-a: #3b2f8f; --field-b: #0d4a73; --field-c: #11603a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; color: var(--text); font: 16px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(circle at 85% -10%, var(--field-a), transparent 34rem),
    radial-gradient(circle at 0% 30%, var(--field-b), transparent 30rem),
    radial-gradient(circle at 70% 110%, var(--field-c), transparent 30rem),
    var(--ground);
  background-attachment: fixed;
}
.page { width: min(960px, calc(100% - 40px)); margin: 0 auto; padding: 48px 0 72px; }
.brand { color: var(--text); display: inline-flex; align-items: center; gap: 12px; font-weight: 700; text-decoration: none; }
.brand img { width: 40px; height: 40px; }
.hero { max-width: 720px; padding: 96px 0 56px; }
.eyebrow { color: var(--accent); font-size: .74rem; font-weight: 700; letter-spacing: .15em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.3rem); letter-spacing: -.04em; line-height: 1.04; margin: 0 0 24px; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 640px; }
.points { color: var(--muted); padding-left: 1.2rem; margin: 0 0 48px; max-width: 640px; }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 22px; color: var(--text);
  padding: 24px; text-decoration: none; transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h2 { font-size: 1.05rem; margin: 0 0 8px; }
.card p, article p, li { color: var(--muted); }
.card p { font-size: .92rem; margin: 0; }
article { max-width: 760px; padding-top: 72px; }
article h1 { font-size: clamp(2rem, 5vw, 3.3rem); }
article h2 { margin-top: 2rem; }
article h3 { margin: 1.5rem 0 .25rem; font-size: 1.05rem; }
code { font-family: "Cascadia Mono", Consolas, monospace; font-size: .9em; overflow-wrap: anywhere; }
a { color: var(--accent); }
.back { display: inline-block; margin-top: 36px; }
footer { color: var(--muted); font-size: .85rem; margin-top: 56px; }
@media (max-width: 680px) {
  .page { width: calc(100% - 32px); padding-top: 26px; }
  .hero { padding: 64px 0 36px; }
  .cards { grid-template-columns: 1fr; }
}