/**
 * Public hierarchy hub — nav, tabs, typography, glass cards.
 * Uses config/ivan-ambient-surface.css for background + fonts.
 */

/* Desktop-only hierarchy background tuning.
 * Mobile keeps the shared ambient surface unchanged; desktop gets a more
 * anchored sage/stone balance so the color reads consistently on wide screens.
 */
@media (min-width: 900px) {
  body.hierarchy-public.ivan-surface {
    background-color: #f7f8f5;
    background-image:
      radial-gradient(ellipse 62% 86% at 10% 10%, rgba(72, 120, 95, 0.18) 0%, rgba(72, 120, 95, 0.07) 42%, transparent 70%),
      radial-gradient(ellipse 50% 62% at 33% 18%, rgba(196, 178, 152, 0.10) 0%, transparent 60%),
      radial-gradient(ellipse 56% 70% at 88% 14%, rgba(120, 140, 220, 0.09) 0%, transparent 62%),
      radial-gradient(ellipse 68% 82% at 20% 82%, rgba(88, 145, 118, 0.10) 0%, transparent 66%),
      radial-gradient(ellipse 55% 66% at 78% 82%, rgba(160, 180, 255, 0.07) 0%, transparent 64%),
      linear-gradient(165deg, #fafbf8 0%, #eef2ed 42%, #f7f8f5 72%, #e4e9e3 100%);
    background-attachment: fixed;
  }

  body.hierarchy-public.ivan-surface::before {
    background:
      radial-gradient(circle at 18% 28%, rgba(72, 120, 95, 0.15) 0%, transparent 40%),
      radial-gradient(circle at 36% 62%, rgba(196, 178, 152, 0.07) 0%, transparent 35%),
      radial-gradient(circle at 80% 20%, rgba(130, 150, 230, 0.09) 0%, transparent 40%),
      radial-gradient(circle at 58% 82%, rgba(88, 145, 118, 0.08) 0%, transparent 40%);
  }
}

.hierarchy-topnav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px clamp(16px, 4vw, 28px);
  border-bottom: 1px solid var(--line);
  background: rgba(248, 249, 250, 0.88);
  backdrop-filter: blur(10px);
}

.hierarchy-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
}

.hierarchy-brand__mark {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.hierarchy-brand__name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.hierarchy-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  list-style: none;
}

.hierarchy-nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
}

.hierarchy-nav-links a:hover,
.hierarchy-nav-links a[aria-current="page"] {
  color: var(--accent);
}

.hierarchy-wrap {
  width: min(1140px, 100%);
  margin: 0 auto;
  padding: 32px clamp(16px, 4vw, 22px) 72px;
}

.hierarchy-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.hierarchy-wrap h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 10px;
}

.hierarchy-lede {
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.hierarchy-wrap h2 {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 32px 0 14px;
}

.hierarchy-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.hierarchy-tabs a {
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.hierarchy-tabs a:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.hierarchy-tabs a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(0, 66, 136, 0.18);
}

.glass-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(70, 76, 68, 0.07), 0 1px 3px rgba(52, 58, 64, 0.05);
  backdrop-filter: blur(10px);
}

.hierarchy-foot {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
}

.hierarchy-foot a { color: var(--accent); }

/* Public proof mode — hide operator controls */
.hierarchy-public .launch-btn,
.hierarchy-public .card-h-actions .launch-btn,
.hierarchy-public script[src*="project-launch"] { display: none !important; }

.hierarchy-public .stats.missing-heavy .stat.missing { display: none; }
.hierarchy-public .tree,
.hierarchy-public .deps + .seq { /* keep */ }

.hierarchy-proof-banner {
  margin-bottom: 20px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--ink-soft);
  border-radius: var(--radius);
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.hierarchy-proof-banner a { color: var(--accent); font-weight: 500; }