/* layout.css - page structure and components. Max 100 lines. */

header {
  background: linear-gradient(180deg, #f0f9ff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

header p {
  font-size: 1.1rem;
  margin: 0;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

section {
  margin-bottom: 3.5rem;
}

section > h2 {
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

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

.directory > h2 {
  grid-column: 1 / -1;
  margin-bottom: 0.5rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(15, 23, 42, 0.08), 0 12px 32px rgba(15, 23, 42, 0.06);
}

.card:nth-child(3n) { border-left-color: var(--teal); }
.card:nth-child(3n + 1) { border-left-color: var(--peach); }

.card p {
  font-size: 0.97rem;
}

.blog-feed ul {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line);
}

.blog-feed li {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  margin: 0;
}

footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 2rem 1.5rem;
  text-align: center;
}

footer p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  header {
    padding: 2.5rem 1.25rem 2rem;
  }

  main {
    padding: 2rem 1.25rem;
  }
}