/* Colours are the app's own tokens (ui/theme/Color.kt) so the site and the
   app look like the same product. Dark only, as the app ships dark only. */
:root {
  --bg: #0F172A;
  --surface: #1E293B;
  --surface2: #283548;
  --border: #334155;
  --text: #FFFFFF;
  --muted: #B0BCCB;
  --yellow: #FACC15;
  --red: #EF4444;
  --max: 68rem;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.7 "Noto Sans Thai", Sarabun, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--yellow); }
h1, h2, h3 { line-height: 1.3; }

/* header / footer */
.bar {
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem;
  align-items: center; justify-content: space-between;
  max-width: var(--max); margin: 0 auto; padding: 1rem;
}
.bar nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.bar a { text-decoration: none; }
.bar nav a { color: var(--muted); }
.bar nav a:hover { color: var(--text); }
.brand { display: flex; align-items: center; gap: .55rem; }
/* intrinsic size is on the <img> so the bar does not jump before it loads */
.brand .icon { width: auto; height: 1.9rem; }
.brand .mark { width: auto; height: 1.15rem; }

.lang {
  border: 1px solid var(--border); border-radius: 999px;
  padding: .15rem .7rem; font-size: .9rem;
}
.foot {
  border-top: 1px solid var(--border); margin-top: 4rem;
  color: var(--muted); font-size: .9rem;
}
.foot p { margin: .25rem 0; }

main { max-width: var(--max); margin: 0 auto; padding: 0 1rem; }

/* hero */
.hero {
  display: grid; grid-template-columns: 1fr; gap: 2.5rem;
  align-items: center; padding: 2rem 0 3rem;
}
.hero h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); margin: .5rem 0 1rem; }
.lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 1.5rem; }
.badge {
  display: inline-block; margin: 0; padding: .2rem .8rem;
  border: 1px solid var(--yellow); border-radius: 999px;
  color: var(--yellow); font-size: .85rem; font-weight: 700;
}
.cta {
  display: inline-block; margin: 0;
  background: var(--surface2); color: var(--muted);
  border: 1px dashed var(--border); border-radius: .6rem;
  padding: .9rem 1.4rem; font-weight: 700;
}
.fine { color: var(--muted); font-size: .85rem; }

/* phone mock: a depiction of the overlay, not a screenshot */
.phone {
  justify-self: center;
  width: min(15rem, 70vw); aspect-ratio: 9 / 19;
  background: radial-gradient(60% 40% at 50% 38%, #1B2432 0%, #080C14 72%), #000;
  border: .4rem solid var(--surface2);
  border-radius: 1.75rem; padding: 1rem;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.phone .screen {
  width: 100%; padding: 2.5rem .6rem .3rem; border-radius: .5rem;
  background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, .9));
}
.phone p { margin: 0; }
.rec {
  display: flex; align-items: center; gap: .4rem;
  color: var(--red); font-size: .8rem; font-weight: 700;
}
.rec span { width: .55rem; height: .55rem; border-radius: 50%; background: var(--red); }
.mock-id {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 1.1rem; font-weight: 700; color: var(--yellow); margin-top: .4rem;
}
.mock-time { color: var(--muted); font-size: .8rem; }

/* cards + steps */
.cards ul, .steps ol { list-style: none; display: grid; gap: 1rem; padding: 0; }
.cards li, .steps li {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: .75rem; padding: 1.25rem;
}
.cards h3, .steps h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.cards p, .steps p { margin: 0; color: var(--muted); }
section > h2 { font-size: 1.5rem; margin: 3rem 0 1rem; }

.limits ul { color: var(--muted); padding-left: 1.2rem; }
.limits li { margin-bottom: .6rem; }

@media (min-width: 48rem) {
  .hero { grid-template-columns: 1.4fr 1fr; }
  .cards ul, .steps ol { grid-template-columns: repeat(3, 1fr); }
}

/* legal pages (markdown output) */
.legal { max-width: 46rem; padding-bottom: 2rem; overflow-wrap: break-word; }
.legal h1 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 2rem 0 .5rem; }
.legal h2, .legal h3 {
  margin: 2.5rem 0 .75rem; font-size: 1.15rem;
  border-top: 1px solid var(--border); padding-top: 1.5rem;
}
.legal p, .legal li { color: #D7DEE7; }
.legal strong { color: var(--text); }
.legal blockquote {
  margin: 1.5rem 0; padding: .75rem 1rem;
  background: var(--surface); border-left: 3px solid var(--yellow); border-radius: .4rem;
}
.legal blockquote p { margin: 0; }
.legal hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
.legal code {
  background: var(--surface2); border-radius: .25rem;
  padding: .1rem .35rem; font-size: .9em;
}
.tw { overflow-x: auto; margin: 1rem 0; }
.legal table { border-collapse: collapse; width: 100%; min-width: 30rem; font-size: .92rem; }
.legal th, .legal td {
  border: 1px solid var(--border); padding: .6rem .75rem;
  text-align: left; vertical-align: top;
}
.legal th { background: var(--surface2); }
.legal td:first-child { color: var(--muted); }