/* Hub navigation, breadcrumbs and sub-page layout (SensorPulse marketing site) */

.page-hero {
  padding: 2.5rem 0 1.5rem;
}

.page-hero.compact {
  padding: 2rem 0 1rem;
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  line-height: 1.12;
  font-family: var(--font-display, Georgia, serif);
}

.page-hero-lead {
  margin: 0;
  max-width: 52rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.breadcrumb {
  margin-bottom: 1rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb li + li::before {
  content: "›";
  margin-right: 0.5rem;
  opacity: 0.65;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 0;
}

.hub-grid-bento {
  grid-template-columns: repeat(6, 1fr);
  gap: 1.15rem;
}

@media (min-width: 900px) {
  .hub-grid-bento .hub-card:nth-child(1) { grid-column: span 3; }
  .hub-grid-bento .hub-card:nth-child(2) { grid-column: span 3; }
  .hub-grid-bento .hub-card:nth-child(3) { grid-column: span 2; }
  .hub-grid-bento .hub-card:nth-child(4) { grid-column: span 2; }
  .hub-grid-bento .hub-card:nth-child(5) { grid-column: span 2; }
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(145deg, var(--surface-elevated), var(--surface));
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  min-height: 100%;
}

.hub-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-3px);
  box-shadow: var(--shadow-md, 0 8px 24px rgba(0, 0, 0, 0.18));
}

.hub-card-icon {
  font-size: 1.35rem;
  line-height: 1;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.hub-card h3 {
  margin: 0;
  font-size: 1.08rem;
  font-family: var(--font-display, Georgia, serif);
}

.hub-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.45;
  flex: 1;
}

.hub-card-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
}

.hub-section {
  padding: 2.5rem 0;
}

.hub-section.alt-bg {
  background: var(--surface-alt, rgba(255, 255, 255, 0.02));
}

.companion-announce .section-header {
  max-width: 42rem;
}

.companion-announce .section-header h2 {
  font-family: var(--font-display, Georgia, serif);
}

.companion-announce {
  border-top: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--accent) 8%, var(--surface-alt)), var(--surface-alt));
}

.site-nav a.is-active {
  color: var(--accent);
  font-weight: 600;
}

.docs-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.doc-hub-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 1.35rem;
}

.doc-hub-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.doc-hub-card p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.doc-link-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.doc-link-list li + li {
  margin-top: 0.45rem;
}

.doc-link-list a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
}

.doc-link-list a:hover {
  text-decoration: underline;
}

.doc-badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  vertical-align: middle;
}

.trust-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.trust-compact article {
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.trust-compact h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.trust-compact p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.45;
}

@media (max-width: 899px) {
  .hub-grid-bento {
    grid-template-columns: 1fr;
  }

  .hub-grid-bento .hub-card:nth-child(n) {
    grid-column: span 1;
  }
}

@media (max-width: 720px) {
  .hub-grid {
    grid-template-columns: 1fr;
  }
}