:root {
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-faint: #94a3b8;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --paper: #ffffff;
  --brand: #2563eb;
  --brand-50: #eff6ff;
  --brand-100: #dbeafe;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}

header.site {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

header.site .logo {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

header.site .logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

header.site .brand {
  font-weight: 800;
  font-size: 1.80rem;
  color: var(--ink);
  text-decoration: none;
}

nav.crumbs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

nav.crumbs a {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  text-decoration: none;
}

nav.crumbs a.active,
nav.crumbs a:hover {
  color: var(--brand);
  border-color: var(--brand);
}

h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 0.3rem;
}

.meta {
  color: var(--ink-faint);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 2.2rem 0 0.7rem;
  color: var(--ink);
}

h3 {
  font-size: 0.95rem;
  font-weight: 800;
  margin: 1.3rem 0 0.4rem;
}

p, li {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

ul, ol {
  padding-left: 1.3rem;
}

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

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
  margin: 1rem 0;
}

.callout {
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.placeholder {
  background: #fffbeb;
  color: #b45309;
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--brand-50);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

footer.site {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

footer.site a { color: var(--ink-soft); margin-right: 1rem; }