/* Backgammon Room website. Colours come from the app (App/Backgammon/Design/Palette.swift). */
:root {
  color-scheme: dark;
  --bg: #100d0a;
  --text: #f3ecdf;
  --muted: rgba(243, 236, 223, 0.64);
  --faint: rgba(243, 236, 223, 0.42);
  --rule: rgba(243, 236, 223, 0.12);
  --bone: #d2c09b;
  --felt: #1c4233;
  --point: #9d4334;
  --walnut: #3b2516;
  --walnut-edge: #1f130a;
  --measure: 38rem;
  --gutter: clamp(1rem, 5vw, 3rem);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a { color: var(--bone); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--text); }
a:focus-visible { outline: 2px solid var(--bone); outline-offset: 3px; border-radius: 2px; }

/* ---------- top bar (inner pages) */
.bar {
  padding: 1.25rem var(--gutter);
  border-bottom: 1px solid var(--rule);
}
.bar a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- home */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem var(--gutter) 3rem;
  max-width: 64rem;
  width: 100%;
  margin: 0 auto;
}
.hero h1 {
  margin: 0;
  font: 600 clamp(2.75rem, 9vw, 5.5rem)/1.02 -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.035em;
}
.hero p {
  margin: 1.25rem 0 0;
  max-width: 30rem;
  font-size: clamp(1.125rem, 2.4vw, 1.375rem);
  line-height: 1.45;
  color: var(--muted);
}
.hero .soon {
  margin-top: 2.25rem;
  font-size: 0.9375rem;
  color: var(--faint);
}

/* A strip of the board: twelve points on felt inside the walnut frame. */
.board {
  display: block;
  width: 100%;
  height: clamp(112px, 18vw, 232px);
  border-bottom: 6px solid var(--walnut);
  background: var(--felt);
}

/* ---------- documents */
main.doc {
  flex: 1;
  width: 100%;
  max-width: calc(var(--measure) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 3rem var(--gutter) 4rem;
}
.doc h1 {
  margin: 0 0 0.25rem;
  font: 600 2.25rem/1.15 -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.025em;
}
.doc .updated { margin: 0 0 2.5rem; color: var(--faint); font-size: 0.9375rem; }
.doc .lede { font-size: 1.1875rem; line-height: 1.5; color: var(--text); }
.doc h2 {
  margin: 2.75rem 0 0.75rem;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.doc p, .doc li { color: var(--muted); }
.doc strong { color: var(--text); font-weight: 600; }
.doc ul { padding-left: 1.2rem; }
.doc li { margin: 0.4rem 0; }
.doc li::marker { color: var(--faint); }
.doc dl { margin: 0; }
.doc dt { margin-top: 1.5rem; color: var(--text); font-weight: 600; }
.doc dd { margin: 0.35rem 0 0; color: var(--muted); }

/* ---------- footer */
footer {
  padding: 1.5rem var(--gutter);
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--faint);
}
footer nav { display: flex; gap: 1.5rem; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .legal { margin-left: auto; }
@media (max-width: 30rem) { footer .legal { margin-left: 0; width: 100%; } }