/* ── Breadcrumbs ─────────────────────────────────────────────────────────── */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  padding: 0;
  background: none;
  border: none;
}
.breadcrumbs a { color: var(--color-blue-mid); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-coral); text-decoration: underline; }
.breadcrumbs__sep { color: var(--color-text-light); margin: 0 var(--space-1); }
.breadcrumbs__current { color: var(--color-text); font-weight: 500; }

/* ── Code blocks (structure + colours defined in syntax.css) ─────────────── */

/* ── Tables ──────────────────────────────────────────────────────────────── */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  min-width: 480px;
}

thead { background: var(--color-ink-blue); }
thead th {
  color: #fff;
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
thead th:last-child { border-radius: 0 var(--radius-lg) 0 0; }

tbody tr { transition: background var(--transition-fast); }
tbody tr:nth-child(odd) { background: var(--color-surface); }
tbody tr:nth-child(even) { background: var(--color-yellow-soft); }
tbody tr:hover { background: var(--color-coral-soft); }

td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: var(--line-height-normal);
}

/* ── Checkboxes (task lists) ─────────────────────────────────────────────── */
.task-list-item {
  list-style: none;
  margin-left: calc(-1 * var(--space-6));
  padding-left: var(--space-6);
  position: relative;
}

.task-list-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-blue-light);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  position: absolute;
  left: 0;
  top: 3px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
  vertical-align: middle;
}
.task-list-item input[type="checkbox"]:checked {
  background: var(--color-coral);
  border-color: var(--color-coral);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}
.task-list-item input[type="checkbox"]:hover:not(:checked) { border-color: var(--color-coral); }

.task-list-item label { cursor: pointer; display: inline; user-select: none; }
.task-list-item input[type="checkbox"]:checked + label,
.task-list-item.checked label {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

/* ── Accordions (FAQ) ────────────────────────────────────────────────────── */
details.faq-item {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-coral);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  background: var(--color-surface);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}
details.faq-item[open] { box-shadow: var(--shadow-md); }
details.faq-item:hover { box-shadow: var(--shadow-sm); }

summary.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  color: var(--color-ink-blue);
  cursor: pointer;
  list-style: none;
  gap: var(--space-4);
  transition: background var(--transition-fast);
}
summary.faq-question::-webkit-details-marker { display: none; }
summary.faq-question:hover { background: var(--color-surface-alt); }

/* Wrap question text so inline code / strong inside it stays in one flex item */
.faq-question-text {
  flex: 1;
  min-width: 0;
  line-height: var(--line-height-normal);
}

/* Inline code inside FAQ headers — no background, no border, inherit weight */
.faq-question-text code {
  background: rgba(27, 58, 92, 0.07);
  border-radius: var(--radius-sm);
  padding: 0.05em 0.3em;
  font-size: 0.9em;
  font-family: var(--font-mono);
  font-weight: 600;
  color: inherit;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-coral);
  transition: transform var(--transition-normal);
}
details.faq-item[open] .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}
.faq-answer p:last-child { margin-bottom: 0; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--color-ink-blue) 0%, #2C5282 60%, #1B3A5C 100%);
  color: #fff;
  padding: var(--space-20) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,217,74,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,107,107,0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
}

.hero__eyebrow {
  display: inline-block;
  background: rgba(255,217,74,0.2);
  color: var(--color-yellow);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,217,74,0.3);
  margin-bottom: var(--space-5);
}

.hero__title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: #fff;
  margin-bottom: var(--space-6);
  -webkit-text-fill-color: unset;
  background: none;
}
.hero__title span { color: var(--color-yellow); }

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255,255,255,0.8);
  max-width: 65ch;
  margin: 0 auto var(--space-10);
  line-height: var(--line-height-loose);
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-coral);
  color: #fff;
  border-color: var(--color-coral);
  box-shadow: 0 4px 14px rgba(255,107,107,0.4);
}
.btn--primary:hover { background: var(--color-coral-dark); border-color: var(--color-coral-dark); box-shadow: 0 6px 20px rgba(255,107,107,0.5); color: #fff; }

.btn--secondary {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.btn--secondary:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.5); color: #fff; }

.btn--outline {
  background: transparent;
  color: var(--color-ink-blue);
  border-color: var(--color-ink-blue);
}
.btn--outline:hover { background: var(--color-ink-blue); color: #fff; }

.btn__icon { font-size: 1.2em; line-height: 1; }

/* ── Section cards (homepage) ────────────────────────────────────────────── */
.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.section-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-normal);
  position: relative;
  overflow: visible;
}
.section-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-coral), var(--color-yellow));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.section-card:hover {
  border-color: var(--color-coral);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.section-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.section-card__icon { font-size: 2rem; line-height: 1; flex-shrink: 0; }
.section-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-ink-blue);
  line-height: var(--line-height-tight);
}
.section-card__desc {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  margin: 0;
  flex: 1;
}
.section-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-coral);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.section-card__cta:hover {
  color: var(--color-coral-dark);
  gap: var(--space-3);
  text-decoration: none;
}

/* ── Sub-section link list ───────────────────────────────────────────────── */
.subsection-links {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 0;
}
.subsection-links li { margin-bottom: var(--space-1); }
.subsection-links a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-ink-blue);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.subsection-links a::before { content: '→'; color: var(--color-coral); font-weight: 700; flex-shrink: 0; }
.subsection-links a:hover {
  border-color: var(--color-coral);
  background: var(--color-coral-soft);
  color: var(--color-coral-dark);
  text-decoration: none;
}

/* ── Section intro block ─────────────────────────────────────────────────── */
.intro-block {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-yellow-soft) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-10);
  margin: var(--space-8) 0 var(--space-12);
}
.intro-block p { max-width: none; }
.intro-block p:last-child { margin-bottom: 0; }

/* ── Mermaid diagrams ────────────────────────────────────────────────────── */
.mermaid {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  text-align: center;
  overflow-x: auto;
}

/* ── Hazard / warning callouts ───────────────────────────────────────────── */
.content-body p:has(> strong:first-child),
.content-body p strong:first-child {
  /* Inline bold prefix - no special styling needed */
}

/* Handle ️ hazard prevention paragraphs */
.content-body p:first-line { }

/* ── Homepage intro section ──────────────────────────────────────────────── */
.home-intro {
  padding: var(--space-16) 0;
  background: var(--color-bg);
}
.home-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  max-width: var(--content-width);
  margin: 0 auto;
}
@media (max-width: 768px) {
  .home-intro__grid { grid-template-columns: 1fr; gap: var(--space-8); }
}

.home-sections {
  padding: var(--space-16) 0;
  background: var(--color-surface-alt);
}
.home-sections__inner { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-6); }

.section-heading {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.section-heading h2 {
  font-size: var(--font-size-3xl);
  margin: 0;
  border-bottom: none;
  display: block;
  -webkit-text-fill-color: unset;
  background: none;
}
.section-heading__line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--color-yellow), transparent);
}

/* ── Responsive: mobile adjustments ─────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { padding: var(--space-12) var(--space-4); }
  .hero__ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 320px; justify-content: center; }

  .section-grid { grid-template-columns: 1fr; }

  .intro-block { padding: var(--space-6); }

  pre[class*="language-"],
  .code-block-wrapper pre { font-size: 0.8rem !important; }
}

@media (min-width: 1200px) {
  .section-grid { grid-template-columns: repeat(3, 1fr); }
}