/* CeliacTrack public site — kept intentionally simple and static.
   Tokens match src/lib/tokens.ts so the site reads as the same brand. */

:root {
  --bg:        #FBF7F0;
  --surface:   #FFFFFF;
  --surface2:  #F5EFE5;
  --hairline:  rgba(60, 40, 20, 0.10);
  --divider:   rgba(60, 40, 20, 0.08);
  --ink:       #1F1B16;
  --ink2:      #5C544A;
  --ink3:      #8A8076;
  --ink4:      #B5ADA1;
  --brand:     #C9583A;
  --brand-deep:#A84628;
  --brand-soft:#FBE5DD;
  --brand-ink: #6B2614;
  --good:      #3F7D4E;
  --warn-soft: #F8EBCC;
  --r1: 8px;
  --r2: 12px;
  --r3: 16px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

/* ── Layout ─────────────────────────────────────────── */

.shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 96px;
}

.shell.wide { max-width: 960px; }

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 0.5px solid var(--hairline);
  position: sticky;
  top: 0;
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  z-index: 10;
}
.brandmark {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.4px;
  text-decoration: none;
}
.brandmark .dot { color: var(--brand); }
.topnav nav { display: flex; gap: 18px; }
.topnav nav a {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink2);
  text-decoration: none;
}
.topnav nav a:hover { color: var(--brand); }

/* ── Typography ─────────────────────────────────────── */

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  color: var(--ink);
  letter-spacing: -0.6px;
  line-height: 1.15;
}

h1 {
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  margin: 0 0 8px;
}

h2 {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 600;
  margin: 36px 0 12px;
  padding-bottom: 6px;
  border-bottom: 0.5px solid var(--hairline);
}

h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 8px;
}

p, ul, ol { margin: 0 0 12px; }

ul, ol { padding-left: 1.4em; }
li { margin: 6px 0; }

strong { font-weight: 600; color: var(--ink); }

a { color: var(--brand); text-decoration: none; border-bottom: 1px solid transparent; }
a:hover { border-bottom-color: var(--brand); }

hr {
  border: none;
  border-top: 0.5px solid var(--hairline);
  margin: 32px 0;
}

code {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.92em;
  background: var(--surface2);
  padding: 2px 6px;
  border-radius: 4px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}

.lede {
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--ink2);
  line-height: 1.55;
  max-width: 640px;
}

/* ── Tables (privacy storage table) ────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 18px;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 0.5px solid var(--hairline);
  vertical-align: top;
}
th {
  background: var(--surface2);
  font-weight: 600;
  color: var(--ink2);
}

/* ── Landing-only ───────────────────────────────────── */

.hero {
  padding: 56px 0 32px;
}
.hero .lede { margin-top: 16px; }
.hero .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.06s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-1px); border-bottom: 1px solid transparent; }
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(201, 88, 58, 0.20);
}
.btn-primary:hover { background: var(--brand-deep); }
.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--hairline);
}
.btn-ghost:hover { border-color: var(--ink3); }

.featureGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.feature {
  background: var(--surface);
  border: 0.5px solid var(--hairline);
  border-radius: var(--r3);
  padding: 18px;
}
.feature h3 { margin-top: 0; font-family: 'Inter', sans-serif; font-size: 15px; }
.feature p { font-size: 14px; color: var(--ink2); margin: 0; }

/* ── Footer ────────────────────────────────────────── */

.footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 0.5px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--ink3);
}
.footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer nav a { color: var(--ink2); font-weight: 500; }

/* ── Doc pages (privacy, terms) ────────────────────── */

.doc h1 + p,
.doc h1 + .meta { color: var(--ink3); font-size: 14px; margin-bottom: 28px; }
.doc { font-size: 16px; }
.doc ul li::marker { color: var(--brand); }

.toc {
  background: var(--surface);
  border: 0.5px solid var(--hairline);
  border-radius: var(--r2);
  padding: 14px 16px;
  margin: 20px 0 28px;
}
.toc h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--ink3);
}
.toc ol { margin: 0; padding-left: 1.2em; font-size: 14px; }
.toc a { color: var(--ink); border-bottom: none; }
.toc a:hover { color: var(--brand); }

.support-card {
  background: var(--brand-soft);
  border: 1px solid var(--brand);
  border-radius: var(--r3);
  padding: 20px;
  margin: 24px 0;
}
.support-card .email {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: var(--brand-deep);
  font-weight: 600;
}