:root {
  --paper: #f3f3f0;
  --ink: #283244;
  --muted: #6f7580;
  --blue-deep: #344258;
  --line: rgba(40, 50, 68, 0.16);
  --white: #ffffff;
  --serif: "Libre Baskerville", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background: linear-gradient(180deg, #ffffff 0%, var(--paper) 100%);
  line-height: 1.65;
}

a {
  color: var(--blue-deep);
}

a:hover {
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--ink);
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  font-family: var(--serif);
  line-height: 1.2;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 2.8rem);
}

h2 {
  margin: 2.5rem 0 1rem;
  font-size: 1.5rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 62ch;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.meta-card {
  padding: 1rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.meta-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-list {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.card-list li {
  padding: 1.1rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.card-list a {
  font-weight: 600;
  text-decoration: none;
}

.card-list p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 600;
  color: var(--ink);
  background: var(--white);
}

.button.primary {
  background: var(--ink);
  color: var(--white);
}

.cip-box {
  margin: 2rem 0;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  background: #fafaf8;
  font-size: 0.92rem;
  font-family: var(--serif);
}

.cip-box .cip-header,
.cip-box .cip-footer {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--muted);
}

.cip-box .cip-org {
  font-weight: 400;
}

.cip-box .cip-code {
  font-family: var(--sans);
  font-weight: 700;
  margin: 0.25rem 0 0.75rem;
}

.notice {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--blue-deep);
  background: rgba(52, 66, 88, 0.06);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

th,
td {
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: rgba(52, 66, 88, 0.06);
}

.site-footer {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}