/* FindMeTunnel: the app's road passport look (DESIGN.md) on the web. Palette A, IBM Plex, dark only like the app. */

@font-face { font-family: 'Plex Sans'; src: url('/fonts/IBMPlexSans-Regular.ttf') format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Plex Sans'; src: url('/fonts/IBMPlexSans-SemiBold.ttf') format('truetype'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Plex Condensed'; src: url('/fonts/IBMPlexSansCondensed-SemiBold.ttf') format('truetype'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Plex Mono'; src: url('/fonts/IBMPlexMono-Regular.ttf') format('truetype'); font-weight: 400; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #131415;
  --raised: #1c1e20;
  --line: #2c2f32;
  --text: #f1f0eb;
  --text-2: #9b9ea1;
  --accent: #f2c12e;
  --head: 'Plex Condensed', 'Arial Narrow', sans-serif;
  --body: 'Plex Sans', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Plex Mono', ui-monospace, monospace;
  --gutter: 20px;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 var(--body);
  -webkit-text-size-adjust: 100%;
}

main, footer { max-width: 720px; margin: 0 auto; padding: 0 var(--gutter); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.hero { padding: 72px 0 32px; }
.icon { display: block; width: 96px; height: 96px; border-radius: 22px; margin-bottom: 28px; }
.kicker, .status, figcaption, .langs, .credits, .meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
}
h1 {
  font: 600 clamp(44px, 9vw, 72px)/1 var(--head);
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
}
.lead { font-size: 21px; line-height: 1.45; margin: 0 0 18px; max-width: 34em; }
.status { color: var(--accent); margin: 0; }

.scheme { margin: 8px 0 48px; }
.scheme img { display: block; width: 100%; height: auto; }
figcaption { margin-top: 10px; }

.facts { border-top: 1px solid var(--line); }
.fact { padding: 22px 0; border-bottom: 1px solid var(--line); }
.fact h2, .note h2 { font: 600 24px/1.2 var(--head); margin: 0 0 6px; }
.fact p { margin: 0; color: var(--text-2); }

.note { padding: 40px 0 56px; }
.note p { margin: 0 0 22px; }

footer { padding-bottom: 48px; }
/* The line sits inside the gutter, like the lines between the facts. */
.langs { display: flex; flex-wrap: wrap; gap: 4px 22px; margin-bottom: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.langs a, .langs span { display: inline-block; padding: 12px 0; }
.credits a { white-space: nowrap; display: inline-block; padding: 6px 0; }
.langs span { color: var(--text); }
.credits { line-height: 1.7; letter-spacing: 0.06em; margin: 0 0 8px; }

.doc { padding-top: 48px; padding-bottom: 56px; }
.doc h1 { font-size: clamp(30px, 7vw, 52px); hyphens: auto; overflow-wrap: break-word; }
.doc h2 { font: 600 22px/1.25 var(--head); margin: 34px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 20px; }
.doc .lead { color: var(--text-2); font-size: 18px; }
.back { display: inline-block; margin-bottom: 28px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero { padding-top: 48px; }
  .lead { font-size: 19px; }
}