:root {
  --ci-green: #388e3c;
  --ci-green-light: #43a047;
  --ci-orange: #f57c00;
  --text: #1e293b;
  --muted: #64748b;
  --card-bg: #ffffff;
  --page-bg: linear-gradient(145deg, #e8f5e9 0%, #fff8f0 45%, #e3f2fd 100%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--page-bg);
  min-height: 100vh;
  line-height: 1.55;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--ci-green);
  color: #fff;
  z-index: 1000;
  border-radius: 8px;
}

.site-header {
  background: linear-gradient(135deg, var(--ci-green) 0%, var(--ci-green-light) 50%, var(--ci-orange) 100%);
  color: #fff;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.site-header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.site-header p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.95;
}

.site-header a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.card h2 {
  font-size: 1.05rem;
  margin: 1.35rem 0 0.5rem;
  color: var(--ci-green);
  font-weight: 700;
}

.card h2:first-child {
  margin-top: 0;
}

.card h3 {
  font-size: 0.95rem;
  margin: 1rem 0 0.4rem;
  color: var(--text);
  font-weight: 600;
}

.card p,
.card li {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0.5rem 0;
}

.card ul {
  padding-left: 1.25rem;
}

.nav-cards {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .nav-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.nav-cards a {
  display: block;
  padding: 1rem 1.15rem;
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.nav-cards a:hover,
.nav-cards a:focus-visible {
  border-color: var(--ci-green);
  box-shadow: 0 4px 16px rgba(56, 142, 60, 0.15);
  outline: none;
}

.nav-cards a span {
  display: block;
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer a {
  color: var(--ci-green);
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #e8f5e9;
  color: var(--ci-green);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}