:root {
  --bg: #f7f8f6;
  --ink: #1c2a33;
  --ink-soft: #4a5a63;
  --blue: #1f5f7a;
  --blue-dark: #12384a;
  --green: #4f9d69;
  --gold: #c99a3d;
  --card-bg: #ffffff;
  --border: #e2e5e0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* Header */

.site-header {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 2rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.logo {
  width: 96px;
  height: auto;
  flex-shrink: 0;
}

.header-text h1 {
  margin: 0;
  font-size: 2rem;
  color: var(--blue-dark);
}

.tagline {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* Intro */

.intro {
  padding: 2.5rem 1.5rem 1rem;
  font-size: 1.1rem;
  max-width: 760px;
}

.intro p {
  margin: 0;
}

/* Documents */

.documents {
  padding: 1.5rem 1.5rem 3.5rem;
}

.documents h2 {
  color: var(--blue-dark);
  margin-bottom: 0.25rem;
}

.section-note {
  color: var(--ink-soft);
  margin-top: 0;
  margin-bottom: 1.75rem;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.doc-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--green);
}

.doc-card:nth-child(2) { border-top-color: var(--blue); }
.doc-card:nth-child(3) { border-top-color: var(--gold); }
.doc-card:nth-child(4) { border-top-color: var(--blue); }
.doc-card:nth-child(5) { border-top-color: var(--green); }

.doc-kicker {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green);
  margin: 0 0 0.4rem;
}

.doc-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--ink);
}

.doc-desc {
  color: var(--ink-soft);
  font-size: 0.95rem;
  flex-grow: 1;
  margin: 0 0 1.25rem;
}

.doc-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--blue);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}

.btn-secondary:hover {
  background: var(--blue);
  color: #ffffff;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.site-footer p {
  margin: 0.25rem 0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12181c;
    --ink: #e8ecee;
    --ink-soft: #a9b6bc;
    --card-bg: #1a2328;
    --border: #2a353b;
    --blue: #6fb3d1;
    --blue-dark: #9fd0e6;
  }

  .site-header {
    background: linear-gradient(180deg, #1a2328 0%, var(--bg) 100%);
  }

  .btn-primary {
    color: #0d1417;
  }

  .btn-primary:hover {
    background: var(--blue-dark);
    color: #0d1417;
  }
}