/* =========================
   Arcstone Registry Theme
   ========================= */

:root {
  --bg: #f7f9fb;
  --text: #0f172a;
  --muted: #475569;
  --link: #2563eb;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Inter, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ---------- Header ---------- */

.site-header {
  background: white;
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  gap: 28px;
}

.nav a {
  text-decoration: none;
  color: var(--link);
  font-weight: 500;
}

/* ---------- Layout ---------- */

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 24px;
}

/* ---------- Typography ---------- */

h1 {
  font-size: 3rem;
  margin-bottom: 32px;
}

h2 {
  font-size: 1.6rem;
  margin-top: 48px;
}

p {
  max-width: 720px;
  font-size: 1.05rem;
  color: var(--text);
}

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

/* ---------- Links ---------- */

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

a:hover {
  text-decoration: underline;
}

/* ---------- Footer ---------- */

footer {
  margin-top: 100px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}