/* HairlineCheck legal site — clean, accessible, reviewer-friendly */
:root {
  --bg: #ffffff;
  --text: #1a1a1f;
  --text-soft: #4a4a55;
  --text-muted: #7a7a85;
  --accent: #6e4ff5;
  --accent-soft: #ede8ff;
  --border: #e6e6ec;
  --card: #fafaff;
  --warn-bg: #fff4e5;
  --warn-border: #f5b860;
  --max-w: 760px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

header .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

header a.logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

header a.logo span { color: var(--accent); }

nav a {
  color: var(--text-soft);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
  font-weight: 500;
}

nav a:hover, nav a.active { color: var(--accent); }

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 8px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0 0 32px;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 36px 0 12px;
  padding-top: 8px;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 8px;
}

p, ul, ol {
  color: var(--text-soft);
  margin: 0 0 14px;
}

ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration: none; }

strong, b { color: var(--text); font-weight: 600; }

.callout {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 16px 18px;
  border-radius: 6px;
  margin: 18px 0 24px;
  color: var(--text);
  font-size: 15px;
}

.warn {
  background: var(--warn-bg);
  border-left: 3px solid var(--warn-border);
  padding: 16px 18px;
  border-radius: 6px;
  margin: 18px 0 24px;
  color: #5a3d00;
  font-size: 15px;
}

.warn strong { color: #5a3d00; }

table.simple {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14.5px;
}

table.simple th, table.simple td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.simple th {
  background: var(--card);
  font-weight: 600;
  color: var(--text);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  background: var(--card);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}

.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card h3 { margin: 0 0 6px; color: var(--text); }
.card p { margin: 0; color: var(--text-muted); font-size: 14px; }

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

footer .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer a { color: var(--text-muted); }

.toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 0 0 32px;
  font-size: 14.5px;
}

.toc strong { display: block; margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 22px; }
.toc a { color: var(--text-soft); }

dl.contact { margin: 0; }
dl.contact dt { font-weight: 600; color: var(--text); margin-top: 12px; }
dl.contact dd { margin: 2px 0 0 0; color: var(--text-soft); }

.meta-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
  margin: 24px 0;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}