/* My Brain Sage website: shared stylesheet.
   Quiet, prose-led, artisan restraint. Inherits the app design system. */

:root {
  --teal: #2F6F73;
  --teal-dark: #255B5E;
  --coral: #C9A6A0;
  --sage: #7FA8A1;
  --warm-bg: #F2EBE9;
  --dark: #2B2B2B;
  --muted: #6B6B6B;
  --gold: #DAA520;
  --card: #FFFFFF;
  --max-width: 680px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--warm-bg);
  color: var(--dark);
  line-height: 1.7;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

main { padding: 56px 0 72px; }

/* ---- Header / nav ---- */
.site-header {
  padding: 28px 0 8px;
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.site-nav a {
  font-size: 15px;
  color: var(--muted);
  text-decoration: none;
  margin-left: 22px;
}
.site-nav a:hover,
.site-nav a.active { color: var(--teal); }

/* ---- Typography ---- */
h1 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: 22px;
}
.hero-subtitle {
  font-size: 21px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--dark);
  margin-top: -8px;
  margin-bottom: 22px;
}
h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--teal);
  margin: 44px 0 14px;
  letter-spacing: -0.01em;
}
p { margin-bottom: 18px; }
p.lead {
  font-size: 21px;
  line-height: 1.6;
  color: var(--dark);
  margin-bottom: 26px;
}
a { color: var(--teal); }

.kicker {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 12px;
}

.app-line {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 16px;
}

/* ---- Pull / emphasis block ---- */
.emphasis {
  border-left: 3px solid var(--teal);
  padding: 4px 0 4px 22px;
  margin: 30px 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--teal-dark);
}

/* ---- Download buttons ---- */
.downloads {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 30px 0 8px;
}
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid var(--teal);
  color: var(--teal);
  background: transparent;
  transition: background 0.15s ease, color 0.15s ease;
}
.btn:hover { background: var(--teal); color: #fff; }
.btn-note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}
.downloads-top {
  margin-bottom: 36px;
}

/* ---- Cards ---- */
.card {
  background: var(--card);
  border-radius: 16px;
  padding: 24px 26px;
  margin: 20px 0;
  box-shadow: 0 1px 3px rgba(43,43,43,0.06);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid rgba(43,43,43,0.10);
  padding: 32px 0 44px;
  margin-top: 24px;
}
.site-footer .wrap {
  font-size: 14px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.site-footer a { color: var(--muted); text-decoration: none; margin-right: 18px; }
.site-footer a:hover { color: var(--teal); }

/* ---- Responsive ---- */
@media (max-width: 560px) {
  body { font-size: 17px; }
  h1 { font-size: 28px; }
  main { padding: 40px 0 56px; }
  .site-nav a { margin-left: 16px; }
}