/* =============================================================
   hub.css — Category hub pages (/ham-radio/, /falconry/, etc.)
   Depends on theme.css (tokens) and chrome.css (header/footer).
   ============================================================= */

/* ── Page scaffold ─────────────────────────────────────────── */
.hub-page {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
  box-sizing: border-box;
}

/* ── Skip link (a11y) ─────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 6px 6px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  z-index: 9999;
  transition: top 0.15s;
}
.skip-link:focus {
  top: 0;
}

/* ── Breadcrumb ────────────────────────────────────────────── */
.hub-breadcrumb {
  margin: 1.5rem 0 0;
}
.hub-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
  opacity: 0.6;
}
.hub-breadcrumb li + li::before {
  content: '›';
  margin-right: 0.5rem;
}
.hub-breadcrumb a {
  color: inherit;
  text-decoration: none;
}
.hub-breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hub-hero {
  padding: 2.5rem 0 2rem;
  text-align: center;
}
.hub-hero-icon {
  font-size: 3rem;
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
}
.hub-hero h1 {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}
.hub-hero-tagline {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.75;
  max-width: 560px;
  margin: 0 auto 1.25rem;
}
.hub-answer {
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 2rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  border-left: 3px solid var(--color-primary);
  text-align: left;
}
body.dark-mode .hub-answer {
  background: rgba(255,255,255,0.04);
}
body.light-mode .hub-answer {
  background: rgba(0,0,0,0.035);
}
.hub-cta {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-headline);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background 0.15s, transform 0.15s;
}
.hub-cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* ── Track grid ────────────────────────────────────────────── */
.hub-tracks {
  padding: 2rem 0;
  border-top: 1px solid;
}
body.dark-mode .hub-tracks { border-color: rgba(255,255,255,0.08); }
body.light-mode .hub-tracks { border-color: rgba(0,0,0,0.08); }

.hub-section-title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}
.hub-track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.hub-track-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
body.dark-mode .hub-track-card {
  background: rgba(255,255,255,0.05);
  color: #e5e7eb;
}
body.light-mode .hub-track-card {
  background: rgba(0,0,0,0.04);
  color: #111827;
}
.hub-track-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}
.hub-track-name {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
}
.hub-track-blurb {
  font-size: 0.8rem;
  line-height: 1.5;
  opacity: 0.7;
  flex: 1;
}
.hub-track-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
.hub-track-count {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2em 0.65em;
  border-radius: 999px;
  background: rgba(26,117,94,0.18);
  color: var(--color-primary-light);
}
.hub-track-cta {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-left: auto;
}

/* ── Content prose ─────────────────────────────────────────── */
.hub-content {
  padding: 2rem 0;
  border-top: 1px solid;
}
body.dark-mode .hub-content { border-color: rgba(255,255,255,0.08); }
body.light-mode .hub-content { border-color: rgba(0,0,0,0.08); }

.hub-content p {
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0 0 1.1em;
}
.hub-content p:last-child { margin-bottom: 0; }

/* ── FAQ ───────────────────────────────────────────────────── */
.hub-faq {
  padding: 2rem 0;
  border-top: 1px solid;
}
body.dark-mode .hub-faq { border-color: rgba(255,255,255,0.08); }
body.light-mode .hub-faq { border-color: rgba(0,0,0,0.08); }

.hub-faq details {
  border-radius: 8px;
  margin-bottom: 0.5rem;
  overflow: hidden;
  scroll-margin-top: calc(var(--site-header-h) + 1rem);
}
body.dark-mode .hub-faq details { background: rgba(255,255,255,0.04); }
body.light-mode .hub-faq details { background: rgba(0,0,0,0.03); }

.hub-faq summary {
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.85em 1em;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}
.hub-faq summary::-webkit-details-marker { display: none; }
.hub-faq summary::after {
  content: '+';
  font-size: 1.1em;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.hub-faq details[open] summary::after { content: '−'; }
.hub-faq details p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
  padding: 0 1em 1em;
}

/* ── Related blog posts ────────────────────────────────────── */
.hub-blog {
  padding: 2rem 0;
  border-top: 1px solid;
}
body.dark-mode .hub-blog { border-color: rgba(255,255,255,0.08); }
body.light-mode .hub-blog { border-color: rgba(0,0,0,0.08); }

.hub-post-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.hub-post-card {
  padding: 1.1rem 1.25rem;
  border-radius: 10px;
  text-decoration: none;
  display: block;
  transition: transform 0.12s;
}
body.dark-mode .hub-post-card {
  background: rgba(255,255,255,0.04);
  color: #e5e7eb;
}
body.light-mode .hub-post-card {
  background: rgba(0,0,0,0.04);
  color: #111827;
}
.hub-post-card:hover { transform: translateX(4px); }
.hub-post-title {
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}
.hub-post-desc {
  font-size: 0.8rem;
  line-height: 1.5;
  opacity: 0.65;
  margin: 0;
}

/* ── Back link ─────────────────────────────────────────────── */
.hub-back {
  padding: 2rem 0 0;
  border-top: 1px solid;
}
body.dark-mode .hub-back { border-color: rgba(255,255,255,0.08); }
body.light-mode .hub-back { border-color: rgba(0,0,0,0.08); }

.hub-back a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-decoration: none;
}
.hub-back a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (min-width: 640px) {
  .hub-hero h1 { font-size: 2.5rem; }
  .hub-hero-tagline { font-size: 1.05rem; }
}

@media (max-width: 480px) {
  .hub-track-grid { grid-template-columns: 1fr; }
}