.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7,26,61,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease);
}
.modal-backdrop.is-open { opacity: 1; pointer-events: auto; }
.modal-box {
  background: #fff;
  border-radius: var(--radius-md);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow: auto;
  position: relative;
  transform: translateY(16px);
  transition: transform var(--dur-med) var(--ease);
}
.modal-backdrop.is-open .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-bg);
  border: none;
  font-size: 1.2rem;
  z-index: 2;
}
.modal-close:hover { background: var(--color-primary-100); }
.modal-image { aspect-ratio: 16/10; }
.modal-caption { padding: var(--space-5); }

.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 600;
  transform: translateY(20px);
  opacity: 0;
  transition: transform var(--dur-med) var(--ease), opacity var(--dur-med) var(--ease);
}
.toast.is-visible { transform: translateY(0); opacity: 1; }

.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  z-index: 150;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-2px); }

.tab-bar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-7);
}
.tab-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--small);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.5rem 1.1rem;
  color: var(--color-text-muted);
}
.tab-btn:hover { color: var(--color-navy); }
.tab-btn.is-active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-4);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5);
  background: #fff;
  border: none;
  font-family: var(--font-display);
  font-weight: 600;
  text-align: left;
}
.accordion-trigger .chevron { transition: transform var(--dur-fast) var(--ease); flex-shrink: 0; }
.accordion-trigger[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease);
  background: var(--color-bg);
}
.accordion-panel-inner { padding: 0 var(--space-5) var(--space-5); }
.accordion-panel p { color: var(--color-text-muted); }

.timeline { display: flex; flex-direction: column; gap: 0; border-left: 2px solid var(--color-border); margin-left: 8px; }
.timeline-item { position: relative; padding: 0 0 var(--space-8) var(--space-7); }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--color-secondary);
}
.timeline-year { font-family: var(--font-display); font-weight: 700; color: var(--color-secondary); font-size: 1.1rem; }
.timeline-item h3 { margin-top: var(--space-2); }
.timeline-item p { color: var(--color-text-muted); margin-top: var(--space-2); }

.gallery-filter { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-6); }