/* The app's design system, on the web. Warm oatmeal paper, ink, one ember.
   Weight comes from bold rounded borders rather than fills — no shadows anywhere. */

:root {
  --paper: #e9e6dc;
  --card: #ffffff;
  --line: #1c1b18;
  --line-soft: #c2beb1;
  --text: #1c1b18;
  --muted: #75705f;
  --ember: #e8502a;
  --ember-soft: #f8e3da;
  --pad: 20px;
  --radius: 16px;
  --border: 2.5px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---------- header ---------- */

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 34px 0 0;
}

.mark { width: 62px; height: auto; display: block; }

.wordmark {
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -0.6px;
}

/* ---------- type ---------- */

h1 {
  font-size: clamp(34px, 7vw, 52px);
  font-weight: 800;
  letter-spacing: -1.4px;
  line-height: 1.08;
  margin: 52px 0 0;
}

.lede {
  font-size: clamp(18px, 2.6vw, 21px);
  color: var(--muted);
  margin: 18px 0 0;
  max-width: 34em;
}

h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 64px 0 18px;
}

h3 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin: 0 0 8px;
}

p { margin: 0 0 16px; }

/* ---------- cards ---------- */

/* Two by two. Four cards across three columns leaves an orphan on the second row. */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

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

.card {
  background: var(--card);
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.card p { color: var(--muted); font-size: 16px; margin: 0; }

/* ---------- the code chip, straight from the app ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--ember-soft);
  color: var(--ember);
  border-radius: 11px;
  padding: 7px 13px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 1.5px;
  font-variant-numeric: tabular-nums;
}

.demo {
  background: var(--card);
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 26px;
}

.demo-lock {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin-bottom: 14px;
}

.demo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 13px;
  border-top: 1px solid var(--line-soft);
}

.demo-row:first-of-type { border-top: 0; padding-top: 0; }
.demo-who { color: var(--muted); font-size: 16px; }

/* ---------- buttons ---------- */

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.btn {
  display: inline-block;
  padding: 15px 26px;
  border-radius: var(--radius);
  border: var(--border) solid var(--line);
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
}

.btn-primary { background: var(--ember); color: #fff; border-color: var(--ember); }
.btn-quiet { background: var(--card); color: var(--text); }
.btn:hover { opacity: 0.85; }

/* ---------- hero: words on the left, the thing itself on the right ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
  margin-top: 44px;
}

.hero h1 { margin-top: 0; }
.hero-side .demo { margin-top: 0; }
.hero-side .actions { margin-top: 20px; }
.hero-side .btn { flex: 1 1 auto; text-align: center; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 28px; margin-top: 34px; }
}

/* ---------- per-device instructions ---------- */

.how { margin: 12px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; }

.how dt {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text);
  padding-top: 2px;
}

.how dd { margin: 0; color: var(--muted); font-size: 16px; }
.how b { color: var(--text); font-weight: 700; }

@media (max-width: 560px) {
  .how { grid-template-columns: 1fr; gap: 2px; }
  .how dd { margin-bottom: 10px; }
}

/* ---------- the problem, side by side ---------- */

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4px 34px;
}

.split p:last-child { margin-bottom: 0; }

/* ---------- numbered steps ---------- */

.steps { display: grid; gap: 14px; }

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.step-n {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ember);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 { margin-bottom: 4px; }
.step p { color: var(--muted); font-size: 16px; margin: 0; }

/* Not here yet — outlined rather than solid, so it reads as a promise not a feature. */
.card.soon { background: transparent; border-style: dashed; }

.note { color: var(--muted); font-size: 15px; margin-top: 14px; }

/* ---------- footer ---------- */

footer {
  margin-top: 88px;
  padding: 24px 0 44px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 13.5px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: center;
}

footer a { color: var(--muted); text-decoration-color: var(--line-soft); }
footer a:hover { color: var(--text); }
footer strong { color: var(--text); font-weight: 700; }
.sep { color: var(--line-soft); }

a { color: var(--ember); }

/* ---------- long-form pages ---------- */

.prose h2 {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.4px;
  text-transform: none;
  color: var(--text);
  margin: 40px 0 10px;
}

.prose ul { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose .updated { color: var(--muted); font-size: 15px; }