/* Navigazione delle pagine pubbliche PROPAGANDA a più sezioni. */
.chapter-nav {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  background: rgba(17, 16, 15, .98);
  border-bottom: 1px solid #454039;
  transform: translateY(-105%);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .2s ease;
}

.chapter-nav[data-visible="true"] {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.chapter-nav .chapter-inner {
  display: flex;
  align-items: stretch;
  gap: clamp(22px, 3.5vw, 54px);
  width: 100%;
  max-width: 1640px;
  min-height: 62px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4.8vw, 64px);
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.chapter-nav .chapter-inner::-webkit-scrollbar { display: none; }

.chapter-nav .chapter-inner a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #c9c4b6;
  text-decoration: none;
  font: 600 14px Oswald, sans-serif;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.chapter-nav .chapter-inner a span {
  color: #e64b48;
  font-size: 11px;
}

.chapter-nav .chapter-inner a[aria-current="location"],
.chapter-nav .chapter-inner a:hover { color: #f2eee4; }

.chapter-nav .chapter-inner a[aria-current="location"]::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: #c91c20;
}

.chapter-nav .chapter-progress { height: 2px; background: #34312c; }
.chapter-nav .chapter-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: #c91c20;
}

main #contatti { scroll-margin-top: 80px; }

@media (max-width: 760px) {
  .chapter-nav .chapter-inner { min-height: 54px; gap: 24px; }
  .chapter-nav .chapter-inner a { font-size: 12px; }
}

@media (max-width: 420px) {
  .chapter-nav .chapter-inner { gap: 17px; }
  .chapter-nav .chapter-inner a { font-size: 11px; }
  .chapter-nav .chapter-inner a span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .chapter-nav { transition: none; }
}