/* ============================================================
   HSEI.IO — toc-layout.css
   Shared sticky ToC sidebar (184px) for /technology and /profession.
   Layout / colour only — typography via typography.css aliases.
   ============================================================ */

.page-wrap {
  display: grid;
  grid-template-columns: 184px 1fr;
}

.toc {
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  padding: 28px 16px 28px 28px;
  border-right: 0.5px solid var(--border-gold);
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-self: start;
}

.toc-t {
  color: var(--text-ghost);
  margin-bottom: 10px;
}

.tl {
  color: var(--text-ghost);
  padding: 5px 8px;
  border-radius: var(--radius-btn);
  transition: color 0.18s ease, background 0.18s ease;
  display: block;
  cursor: pointer;
}

.tl:hover,
.tl.act {
  color: var(--gold);
  background: var(--gold-dim);
}

.tl-link-teal {
  color: var(--teal-accent);
}

.tl-link-teal:hover {
  color: var(--teal-accent);
  background: var(--teal-dim);
}

.tl-link-gold {
  color: var(--gold);
}

.toc-sep {
  height: 0.5px;
  background: var(--border-gold);
  margin: 7px 0;
}

.toc-content {
  padding: 44px 60px 100px 52px;
  max-width: 820px;
}

.toc-content--wide {
  max-width: 840px;
}

.breadcrumb {
  color: var(--text-ghost);
  margin-bottom: 14px;
}

.breadcrumb span {
  color: var(--gold);
}

.page-tag {
  display: inline-block;
  color: var(--gold);
  border: 0.5px solid var(--border-gold-md);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.page-title {
  color: var(--text-main);
  margin-bottom: 12px;
}

.page-sub {
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 36px;
}

.page-sub--prof {
  max-width: 540px;
  margin-bottom: 24px;
}

@media (max-width: 1023px) {
  .page-wrap {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    border-right: none;
    border-bottom: 0.5px solid var(--border-gold);
    padding: 16px var(--pad-tablet);
    gap: 4px;
  }

  .toc-t {
    width: 100%;
    margin-bottom: 4px;
  }

  .toc-sep {
    display: none;
  }

  .toc-content,
  .toc-content--wide {
    padding: 32px var(--pad-tablet) 72px;
    max-width: none;
  }
}

@media (max-width: 767px) {
  .toc {
    padding: 12px var(--pad-mobile);
  }

  .toc-content,
  .toc-content--wide {
    padding: 24px var(--pad-mobile) 64px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-title {
    animation: fi 0.7s ease both;
  }
}