/* joynotes.app. Same look as the app (ADR 0004): warm paper, one terracotta accent, Instrument
   Serif for titles, the message as a sent bubble. No external requests: the font is self-hosted. */

@font-face {
  font-family: "Instrument Serif";
  src: url("/fonts/InstrumentSerif-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  --paper: #fbf8f4;
  --ink: #1c1917;
  --muted: #6b635b;
  --line: #e7e0d8;
  --accent: #c2410c;
  --on-accent: #fff;
  --soft: #ffedd5;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12100e;
    --ink: #f5f0ea;
    --muted: #a8a097;
    --line: #2a2622;
    --accent: #fb923c;
    --on-accent: #1c1917;
    --soft: #3a2a1f;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}

a { color: var(--accent); text-underline-offset: 3px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 680px; }

header.site { padding: 28px 0 0; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 30px/1 var(--serif); }
.brand svg { width: 34px; height: 34px; flex: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover { color: var(--accent); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(48px, 9vw, 88px); letter-spacing: -0.01em; }
h2 { font-size: clamp(34px, 5.5vw, 48px); }
h3 { font-size: 28px; }

.label { text-transform: uppercase; letter-spacing: 0.12em; font-size: 13px; color: var(--muted); margin: 0 0 12px; }
.lead { font-size: clamp(19px, 2.4vw, 22px); color: var(--muted); max-width: 34em; margin: 20px 0 0; }
.muted { color: var(--muted); }

/* The message as a sent text, like in the app. */
.bubble {
  display: inline-block;
  background: var(--accent);
  color: var(--on-accent);
  padding: 14px 20px;
  border-radius: 22px 22px 6px 22px;
  max-width: 26em;
  font-size: 18px;
  line-height: 1.45;
}

.hero { padding-top: 64px; padding-bottom: 40px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero .bubble { margin-top: 32px; }
.soon { margin-top: 32px; display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 15px; }
.soon b { color: var(--ink); font-weight: 600; }

.phone {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 720 / 1489;
  border-radius: 34px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(60, 30, 10, 0.35);
  display: block;
  margin: 0 auto;
  background: var(--paper);
}

section { padding: 72px 0; border-top: 1px solid var(--line); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 40px; }
.steps figure { margin: 0; }
.steps .phone { max-width: 260px; margin: 0 0 24px; }
.steps h3 { margin-bottom: 8px; }
.steps p { margin: 0; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split p { color: var(--muted); }
.split .bubble { color: var(--on-accent); margin-top: 12px; }

.points { list-style: none; padding: 0; margin: 24px 0 0; }
.points li { padding: 14px 0; border-top: 1px solid var(--line); }
.points li:last-child { border-bottom: 1px solid var(--line); }
.points b { display: block; color: var(--ink); font-weight: 600; }

footer.site { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 15px; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer.site a { color: var(--muted); }

/* Policy and support pages. */
.doc { padding-top: 56px; padding-bottom: 72px; }
.doc h1 { font-size: clamp(44px, 7vw, 64px); }
.doc h2 { font-size: 30px; margin: 44px 0 8px; }
.doc p, .doc li { color: var(--ink); }
.doc .updated { color: var(--muted); margin-top: 12px; }
.doc .summary { background: var(--soft); border-radius: 18px; padding: 20px 24px; margin: 32px 0 0; }
.doc .summary p { margin: 0; }
.doc dt { font-weight: 600; margin-top: 20px; }
.doc dd { margin: 4px 0 0; }

@media (max-width: 820px) {
  .hero, .split { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 40px; }
  .steps { grid-template-columns: 1fr; gap: 56px; }
  .steps .phone { max-width: 300px; }
  nav a { margin-left: 14px; }
}