/* Lightproof site — dark, amber safelight, editorial serif headlines.
   Matches the app's Darkroom theme. No external dependencies. */
:root {
  --bg: #0c0c0e;
  --panel: #141418;
  --ink: #ececee;
  --muted: #9a9aa2;
  --faint: #6a6a72;
  --amber: #f7a938;
  --amber-bright: #ffcb7a;
  --amber-deep: #d06a12;
  --hair: rgba(255, 255, 255, 0.10);
  --serif: "Hoefler Text", "New York", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 24px; }

/* header */
header { padding: 26px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark { width: 34px; height: 34px; }
.brand .name {
  font: 600 15px/1 var(--mono); letter-spacing: 0.32em; color: var(--muted);
}

/* hero */
.hero {
  position: relative; text-align: center; padding: 56px 0 72px; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: -40% 0 auto 0; height: 760px;
  background: radial-gradient(60% 55% at 50% 0%, rgba(247,169,56,0.22), transparent 70%);
  pointer-events: none;
}
.hero .mark { width: 128px; height: 128px; margin: 0 auto 26px; display: block; position: relative; }
.hero h1 {
  font: 700 clamp(40px, 7vw, 66px)/1.05 var(--serif);
  margin: 0 auto; max-width: 14ch;
  background: linear-gradient(135deg, #fff, var(--amber));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub {
  font-size: clamp(17px, 2.4vw, 21px); color: var(--muted);
  max-width: 40ch; margin: 22px auto 0;
}

/* buttons */
.cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 14px 26px; border-radius: 12px;
  font-weight: 600; font-size: 16px;
}
.btn.primary {
  background: linear-gradient(180deg, var(--amber-bright), var(--amber-deep));
  color: #231200;
}
.btn.primary:hover { text-decoration: none; filter: brightness(1.05); }
.btn.ghost { color: var(--ink); border: 1px solid var(--hair); }
.btn.ghost:hover { text-decoration: none; border-color: var(--amber); }
.req { color: var(--faint); font-size: 13px; margin-top: 14px; }

/* features */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 24px 0 8px; }
.card {
  background: var(--panel); border: 1px solid var(--hair);
  border-radius: 16px; padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.kicker {
  text-align: center; font: 600 12px/1 var(--mono); letter-spacing: 0.22em;
  color: var(--faint); text-transform: uppercase; margin: 48px 0 20px;
}

/* content pages (privacy) */
.doc { padding: 20px 0 10px; }
.doc h1 { font: 700 clamp(30px,5vw,44px)/1.1 var(--serif); margin: 10px 0 6px; }
.doc .meta { color: var(--faint); font-size: 14px; margin-bottom: 8px; }
.doc h2 { font-size: 20px; margin: 34px 0 10px; }
.doc h3 { font-size: 16px; margin: 22px 0 6px; color: var(--amber-bright); }
.doc p, .doc li { color: #d9d9dd; }
.doc .lead {
  font-size: 18px; color: var(--ink);
  border-left: 3px solid var(--amber); padding-left: 18px; margin: 18px 0 6px;
}
.doc code { font-family: var(--mono); font-size: 0.9em; color: var(--amber-bright); }

/* footer */
footer { border-top: 1px solid var(--hair); margin-top: 64px; padding: 30px 0 50px; color: var(--faint); font-size: 14px; }
footer .row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--muted); }

@media (max-width: 620px) {
  .features { grid-template-columns: 1fr; }
}