/* QuickLiftingJournal marketing site. Colors match the app (src/styles/base.css). */
:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --border: #e2e0da;
  --text: #1f1e1c;
  --muted: #6b6a65;
  --faint: #9a9890;
  --primary: #1d6e56;
  --primary-soft: #e3efe9;
  --accent: #b5651d;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161715;
    --surface: #1f201e;
    --border: #33342f;
    --text: #ecebe6;
    --muted: #a9a8a1;
    --faint: #7c7b74;
    --primary: #4fb28f;
    --primary-soft: #1f3129;
    --accent: #e09a55;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--primary); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 60px; gap: 12px; flex-wrap: wrap;
}
.brand { font-weight: 800; letter-spacing: -0.01em; color: var(--text); text-decoration: none; font-size: 18px; }
.brand span { color: var(--primary); }
nav a { margin-left: 18px; text-decoration: none; color: var(--muted); font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
main { padding: 48px 0 64px; }
.hero h1 {
  font-size: clamp(32px, 7vw, 48px); line-height: 1.1; letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.badge {
  display: inline-block; background: var(--primary-soft); color: var(--primary);
  font-weight: 700; font-size: 13px; padding: 4px 12px; border-radius: 999px; margin-bottom: 18px;
}
.btn {
  display: inline-block; background: var(--primary); color: #fff; text-decoration: none;
  font-weight: 700; padding: 13px 22px; border-radius: 12px;
}
.btn.secondary { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); margin-left: 8px; }
.features { display: grid; gap: 16px; margin: 56px 0 0; grid-template-columns: 1fr; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.notebook {
  margin-top: 48px; padding: 24px; border-left: 4px solid var(--accent);
  background: var(--surface); border-radius: 0 14px 14px 0;
}
.notebook p { margin: 0; color: var(--muted); }
.doc h1 { font-size: 32px; letter-spacing: -0.01em; margin: 0 0 6px; }
.doc .meta { color: var(--faint); font-size: 14px; margin: 0 0 28px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc .callout {
  background: var(--primary-soft); border-radius: 12px; padding: 14px 18px; margin: 0 0 8px;
}
footer.site { border-top: 1px solid var(--border); padding: 24px 0 40px; color: var(--faint); font-size: 14px; }
footer.site a { color: var(--muted); margin-right: 16px; }
@media (max-width: 420px) {
  nav a { margin-left: 12px; }
  .btn.secondary { margin: 10px 0 0; }
}

.audience { margin-top: 64px; }
.audience h2 {
  font-size: clamp(24px, 5vw, 32px); line-height: 1.2; letter-spacing: -0.015em;
  margin: 0; max-width: 20em;
}
.audience .features { margin-top: 24px; }
.card.who { border-top: 4px solid var(--accent); }