/* ================================================================
   COLUMBIA PUBLICATION — pages/pillar.css
   Shared styles for all 7 pillar pages.
   Loaded alongside service.css on pillar pages.
   ================================================================ */

/* ── Pillar hero ──────────────────────────────────────────────── */
.pillar-hero {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%);
  padding-block: var(--sp-20) var(--sp-16);
  position: relative;
  overflow: hidden;
}

.pillar-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 100% 30%, rgba(198,168,90,.07), transparent);
  pointer-events: none;
}

.pillar-hero-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), var(--gold), var(--gold-dark), transparent);
}

.pillar-hero .container { position: relative; z-index: 2; }

.pillar-hero-inner { max-width: 820px; }

.pillar-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.8125rem;
  color: rgba(253,251,247,.45);
  margin-bottom: var(--sp-6);
}
.pillar-breadcrumb a { color: rgba(253,251,247,.45); text-decoration: none; transition: color var(--ease); }
.pillar-breadcrumb a:hover { color: var(--gold-light); }
.pillar-breadcrumb span { color: rgba(253,251,247,.2); }
.pillar-breadcrumb span:last-child { color: rgba(253,251,247,.55); }

.pillar-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(198,168,90,.12);
  border: 1px solid rgba(198,168,90,.25);
  border-radius: var(--r-sm);
  padding: var(--sp-1) var(--sp-4);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-5);
}

.pillar-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4.5vw, 2.875rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: var(--sp-6);
}

.pillar-h1 em {
  display: block;
  font-style: italic;
  color: var(--gold-light);
  font-weight: 300;
}

.pillar-hero-answer {
  background: rgba(253,251,247,.06);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r) var(--r) 0;
  padding: var(--sp-5) var(--sp-6);
  font-size: 1rem;
  color: rgba(253,251,247,.88);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
}

.pillar-hero-answer strong { color: var(--white); }

.pillar-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  font-size: 0.8125rem;
  color: rgba(253,251,247,.45);
  flex-wrap: wrap;
}

/* ── Table of contents ────────────────────────────────────────── */
.pillar-toc-wrap {
  background: var(--parchment);
  border-bottom: 1px solid var(--border-light);
  padding-block: var(--sp-5);
}

.pillar-toc {
  display: flex;
  align-items: baseline;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.pillar-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
  font-family: var(--font-body);
}

.pillar-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-2);
  counter-reset: toc;
  list-style: none;
}

.pillar-toc-list li {
  counter-increment: toc;
}

.pillar-toc-list a {
  font-size: 0.8125rem;
  color: var(--navy);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--r-pill);
  transition: background var(--ease), border-color var(--ease);
  white-space: nowrap;
}

.pillar-toc-list a:hover {
  background: var(--navy-pale);
  border-color: rgba(30,58,95,.15);
}

/* ── Pillar section wrappers ──────────────────────────────────── */
.pillar-section {
  padding-block: var(--sp-16);
}

.pillar-section--alt {
  background: var(--parchment);
}

/* ── Content width constraint ─────────────────────────────────── */
.pillar-content {
  max-width: 860px;
}

/* ── Pillar H2 styling ────────────────────────────────────────── */
.pillar-section h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  margin-bottom: var(--sp-5);
  scroll-margin-top: 90px;
}

.pillar-section h2 em {
  display: block;
  font-style: italic;
  color: var(--gold-dark);
}

/* ── Callout boxes ────────────────────────────────────────────── */
.pillar-callout {
  background: var(--gold-pale);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: var(--sp-5) var(--sp-6);
  margin-block: var(--sp-8);
  font-size: 0.9375rem;
  color: var(--ink-light);
  line-height: 1.75;
}

.pillar-callout strong { color: var(--navy-deep); }

.pillar-callout--navy {
  background: var(--navy-pale);
  border-left-color: var(--navy);
}

/* ── Pillar CTA block ─────────────────────────────────────────── */
.pillar-cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  background: var(--parchment);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  flex-wrap: wrap;
}

.pillar-cta-block h3 { font-size: 1.125rem; margin-bottom: var(--sp-3); }
.pillar-cta-block p  { font-size: 0.9375rem; color: var(--muted); margin: 0; }

/* ── Related links grid ───────────────────────────────────────── */
.pillar-related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
}

.pillar-related-section h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: var(--sp-5);
}

.pillar-related-links { display: flex; flex-direction: column; gap: var(--sp-3); }

.pillar-related-link {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: box-shadow var(--ease), border-color var(--ease);
}

.pillar-related-link:hover {
  box-shadow: var(--shadow-xs);
  border-color: var(--border);
}

.pillar-related-link > span:first-child { font-size: 1.125rem; flex-shrink: 0; line-height: 1.6; }

.pillar-related-link strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
}

.pillar-related-link span:not(:first-child) {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ── Mobile sticky bar ────────────────────────────────────────── */
.pillar-mob-sticky {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  background: var(--white);
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 -4px 16px rgba(30,58,95,.1);
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .pillar-section { padding-block: var(--sp-10); }
  .pillar-related-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .pillar-toc { flex-direction: column; gap: var(--sp-3); }
  .pillar-cta-block { flex-direction: column; }
  .pillar-cta-block .btn { width: 100%; justify-content: center; }
  .pillar-mob-sticky { display: block; }
}