/* ─── Interior page shared hero ──────────────────────────────── */
.interior-hero {
  padding: var(--space-14) 0 var(--space-10);
  position: relative;
  overflow: hidden;
}
.interior-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.interior-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-5);
  transition: color var(--ease-fast);
}
.interior-breadcrumb:hover { color: var(--color-primary); }
.interior-breadcrumb svg { flex-shrink: 0; }

.interior-hero-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.interior-hero-title {
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  max-width: 700px;
}

.interior-hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 580px;
  margin-bottom: var(--space-6);
}

.interior-hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ─── Interior diagonal deco ─────────────────────────────────── */
.interior-deco {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  pointer-events: none;
  opacity: 0.35;
  overflow: hidden;
}
.interior-deco svg { width: 100%; height: 100%; }

/* ─── Section CTA block ──────────────────────────────────────── */
.cta-block {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 120% at 50% 100%, rgba(0, 212, 200, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.cta-block-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.cta-block-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-block-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}
.cta-block-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
  z-index: var(--z-base);
}

/* ─── Error page ─────────────────────────────────────────────── */
.error-hero {
  padding: var(--space-16) 0 var(--space-20);
  position: relative;
  overflow: hidden;
  min-height: 72vh;
  display: flex;
  align-items: center;
}
.error-hero-inner {
  max-width: 640px;
  position: relative;
  z-index: var(--z-above);
}
.error-code {
  display: block;
  font-family: var(--font-display);
  font-size: 9rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.12;
  letter-spacing: -0.04em;
  margin-bottom: -2rem;
  user-select: none;
}
.error-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.error-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}
.error-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}
.error-links-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.error-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.error-link-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color var(--ease-normal), background var(--ease-fast), transform var(--ease-fast);
}
.error-link-card:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-hover);
  transform: translateY(-2px);
}
.error-link-card strong {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}
.error-link-card span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .interior-hero-title { font-size: var(--text-3xl); }
  .interior-hero-subtitle { font-size: var(--text-base); }
  .cta-block-title { font-size: var(--text-2xl); }
}
@media (max-width: 480px) {
  .interior-hero-title { font-size: var(--text-2xl); }
  .interior-hero-actions { flex-direction: column; align-items: flex-start; }
  .interior-hero-actions .btn { width: 100%; justify-content: center; }
  .cta-block-actions { flex-direction: column; }
  .cta-block-actions .btn { width: 100%; justify-content: center; }
  .error-code { font-size: 6rem; }
  .error-title { font-size: var(--text-2xl); }
  .error-subtitle { font-size: var(--text-base); }
  .error-links-grid { grid-template-columns: 1fr; }
  .error-actions { flex-direction: column; }
  .error-actions .btn { width: 100%; justify-content: center; }
}