:root {
  --brand: #1a3c6e;
  --text: #1a1a1a;
  --muted: #666;
  --bg: #fff;
  --border: #e2e2e2;
}

* { box-sizing: border-box; }

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

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.site-header .brand {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--brand);
  text-decoration: none;
}

.site-nav a {
  margin-left: 1.25rem;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:first-child { margin-left: 0; }

.site-nav a:hover { text-decoration: underline; }

@media (max-width: 480px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

.hero {
  text-align: center;
  padding: 2rem 0 3rem;
}

.hero h1 {
  color: var(--brand);
  margin-bottom: 0.25rem;
}

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

.editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .editorial {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.card-category { color: var(--brand); font-weight: 700; }
.card-dot { color: var(--border); }

.card h2 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.card h2 a { color: var(--brand); text-decoration: none; }
.card h2 a:hover { text-decoration: underline; }

.card-excerpt { color: var(--text); }
.card-excerpt p { margin: 0; }

.card-readmore {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.75rem;
  color: var(--brand);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}

.card-readmore:hover { text-decoration: underline; }

.post {
  /* Offsets main's shared 2rem top padding so the title sits closer to the
     header on article pages specifically, without changing main's padding
     (which is shared with the homepage and list pages). */
  margin-top: -1rem;
}

.post h1 {
  color: var(--brand);
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

@media (max-width: 480px) {
  .post h1 {
    font-size: 1.5rem;
    line-height: 1.15;
  }
}

.cta-cluster {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.continue-reading-btn {
  position: absolute;
  left: 50%;
  bottom: 15px;
  transform: translateX(-50%);
  z-index: 2;
  white-space: nowrap;
  padding: 0.85rem 1rem;
  border: 2.5px solid #000;
  border-radius: 14px;
  background: var(--brand);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.continue-reading-btn:hover {
  background: #1834b8;
}

.collapsible-content {
  position: relative;
  max-height: 180px;
  overflow: hidden;
}

.collapsible-content::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--bg));
  pointer-events: none;
  z-index: 1;
}

.collapsible-content.expanded {
  max-height: none;
}

.collapsible-content.expanded::after {
  display: none;
}

.cta-cluster a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border: 2.5px solid #000;
  border-radius: 14px;
  background: #1E3FE0;
  color: #fff;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.cta-cluster a:hover {
  border-color: #000;
  background: #1834b8;
}

.cta-cluster a::after {
  content: "\2192";
  margin-left: auto;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cta-number {
  flex-shrink: 0;
  color: #A8E100;
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1;
}

.cta-headline {
  flex: 1;
  font-weight: 700;
  color: #fff;
}

.cta-badge {
  flex-shrink: 0;
  padding: 0.1rem 0.4rem;
  border: 1px solid #fff;
  border-radius: 4px;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-nav a {
  margin: 0 0.6rem;
  color: var(--muted);
  text-decoration: none;
}

.footer-nav a:hover { text-decoration: underline; }

.copyright { margin-top: 0.75rem; }
