/*
 * Key for Change — SEO architecture layer (task #12681).
 * Styles for the publishing skeleton: quick-exit, crisis banner, breadcrumbs,
 * questions block, answer-first lead, spoke card grid, related rail.
 * All colour/spacing via tokens.css (var(--k4c-*)). Loaded after pages.css.
 */

/* ── Quick-exit control (§7.2) — always reachable, top-right, above everything ── */
.k4c-quick-exit {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 2000;
  display: inline-flex;
  align-items: center;
  gap: var(--k4c-space-1);
  padding: 0.4rem 0.7rem;
  font-family: var(--k4c-font-heading);
  font-size: var(--k4c-fs-xs);
  font-weight: var(--k4c-fw-bold);
  letter-spacing: var(--k4c-tracking-caps);
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  background: var(--k4c-red);
  border-bottom-left-radius: var(--k4c-radius);
  box-shadow: var(--k4c-shadow);
}
.k4c-quick-exit:hover,
.k4c-quick-exit:focus-visible { background: var(--k4c-red-dark); color: #fff; outline: none; }
.k4c-quick-exit:focus-visible { box-shadow: 0 0 0 3px rgba(255,255,255,0.6), var(--k4c-shadow); }
.k4c-quick-exit__label { line-height: 1; }
@media (max-width: 480px) { .k4c-quick-exit__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); } .k4c-quick-exit { padding: 0.5rem; } }

/* ── Crisis / support banner (§7.2) ── */
.k4c-crisis { background: var(--k4c-purple-dark); color: #fff; }
.k4c-crisis__inner { padding-block: var(--k4c-space-2); }
.k4c-crisis__text { margin: 0; font-size: var(--k4c-fs-sm); line-height: var(--k4c-lh-body); }
.k4c-crisis__link { color: #fff; text-decoration: underline; font-weight: var(--k4c-fw-semibold); }
.k4c-crisis__link:hover { color: var(--k4c-purple-100); }

/* ── Breadcrumbs (§5.3) ── */
.k4c-breadcrumbs { border-bottom: 1px solid var(--k4c-border); background: #fff; }
.k4c-breadcrumbs .k4c-container { padding-block: var(--k4c-space-2); }
.k4c-breadcrumbs__list { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; list-style: none; font-size: var(--k4c-fs-xs); color: var(--k4c-grey-600); }
.k4c-breadcrumbs__item { display: inline-flex; align-items: center; }
.k4c-breadcrumbs__item + .k4c-breadcrumbs__item::before { content: "/"; margin-right: 0.4rem; color: var(--k4c-grey-400); }
.k4c-breadcrumbs__item a { color: var(--k4c-purple); text-decoration: none; }
.k4c-breadcrumbs__item a:hover { text-decoration: underline; }
.k4c-breadcrumbs__item--current { color: var(--k4c-grey-800); font-weight: var(--k4c-fw-medium); }

/* ── Answer-first lead (§5.5) ── */
.k4c-answer-first__lead {
  font-size: var(--k4c-fs-lg);
  line-height: var(--k4c-lh-body);
  color: var(--k4c-grey-800);
  font-weight: var(--k4c-fw-medium);
  border-left: 4px solid var(--k4c-purple);
  padding-left: var(--k4c-space-3);
  margin: 0;
}

/* ── "Questions this answers" block (§5.8) ── */
.k4c-qbox__intro { margin: 0 0 var(--k4c-space-2); font-size: var(--k4c-fs-md); }
.k4c-qlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .k4c-qlist { grid-template-columns: 1fr 1fr; column-gap: var(--k4c-space-5); } }
.k4c-qlist li { position: relative; padding-left: 1.4rem; }
.k4c-qlist li::before { content: "?"; position: absolute; left: 0; top: 0; width: 1rem; height: 1rem; font-size: 0.7rem; font-weight: 700; line-height: 1rem; text-align: center; color: #fff; background: var(--k4c-purple); border-radius: var(--k4c-radius-pill); }
.k4c-qlist a { color: var(--k4c-purple-dark); text-decoration: none; }
.k4c-qlist a:hover { text-decoration: underline; }

/* ── Spoke card grid (hub / pillar §5.1) ── */
.k4c-cards--auto { display: grid; gap: var(--k4c-space-4); grid-template-columns: 1fr; }
@media (min-width: 620px) { .k4c-cards--auto { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .k4c-cards--auto { grid-template-columns: 1fr 1fr 1fr; } }
.k4c-card--link { display: flex; flex-direction: column; text-decoration: none; color: inherit; background: #fff; border: 1px solid var(--k4c-border); border-radius: var(--k4c-radius-lg); padding: var(--k4c-space-4); box-shadow: var(--k4c-shadow-sm); transition: box-shadow var(--k4c-ease), transform var(--k4c-ease); }
.k4c-card--link:hover { box-shadow: var(--k4c-shadow-lg); transform: translateY(-2px); }
.k4c-card--link .k4c-card__title { margin: 0 0 var(--k4c-space-1); color: var(--k4c-purple-dark); }
.k4c-card--link .k4c-card__text { flex: 1; margin: 0 0 var(--k4c-space-2); color: var(--k4c-grey-600); font-size: var(--k4c-fs-sm); }
.k4c-card--link .k4c-card__link { color: var(--k4c-purple); font-weight: var(--k4c-fw-semibold); font-size: var(--k4c-fs-sm); }

/* ── Related rail (§5.1) ── */
.k4c-related { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--k4c-space-2); }
.k4c-related li a { display: inline-block; padding: 0.4rem 0.9rem; background: var(--k4c-purple-50); color: var(--k4c-purple-dark); border-radius: var(--k4c-radius-pill); text-decoration: none; font-size: var(--k4c-fs-sm); }
.k4c-related li a:hover { background: var(--k4c-purple-100); }

/* ── Skeleton / staging note ── */
.k4c-skeleton-note { margin: 0; padding: var(--k4c-space-3); border: 1px dashed var(--k4c-purple-light); border-radius: var(--k4c-radius); background: var(--k4c-purple-50); color: var(--k4c-purple-dark); font-size: var(--k4c-fs-sm); }
.k4c-section--tight { padding-block: var(--k4c-space-5); }