:root {
  --bg: #08080A;
  --card: #101012;
  --line: #1E1E22;
  --text: #F4F6F7;
  --body: #D8DBDD;
  --muted: #8A8F94;
  --accent: #4FE3C1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

h1 {
  font-size: 32px;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
}

h2 {
  font-size: 19px;
  letter-spacing: -0.01em;
  margin: 38px 0 10px;
}

h3 {
  font-size: 16px;
  margin: 24px 0 6px;
}

p, li { color: var(--body); }

.eff {
  color: var(--muted);
  margin: 0 0 34px;
  font-size: 14px;
}

.muted { color: var(--muted); }

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

ul { padding-left: 20px; }

li { margin: 6px 0; }

.back {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--accent);
  text-decoration: none;
  font-size: 15px;
}

.back:hover { text-decoration: underline; }

/* Callout for the things a reviewer or a worried user looks for first:
   the health disclaimer and the HealthKit promise. */
.note {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  padding: 16px 20px;
  margin: 24px 0;
}

.note strong { color: var(--text); }

.warn { border-left-color: #FF9F6B; }

.mark {
  display: inline-block;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(160deg, #2E6BFF, #4FE3C1);
  vertical-align: middle;
  margin-right: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 600;
}

.links {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}

.links li { margin: 0 0 12px; }

.links a {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.links a:hover { border-color: #2E3238; }

.links span {
  display: block;
  color: var(--muted);
  font-weight: 400;
  font-size: 14px;
  margin-top: 2px;
}

footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}