/* Menu condiviso: "index" apre l'elenco delle opere a tutto schermo.
   Completa gli stili .top-nav di ogni pagina. */

nav.top-nav .nav-toggle {
  position: relative;
  z-index: 2;
  background: none;
  border: 0;
  padding: 8px 0 8px 16px;
  cursor: pointer;
  pointer-events: auto;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(232, 228, 222, 0.55);
  transition: color 0.6s;
}
nav.top-nav .nav-toggle:hover,
nav.top-nav .nav-toggle:focus-visible { color: #e8e4de; }

html.nav-locked { overflow: hidden; }

/* Da aperto il menu sta sopra canvas e livelli interattivi di ogni pagina */
nav.top-nav.nav-open { z-index: 8500; opacity: 1; }

nav.top-nav .logo { position: relative; z-index: 2; }

nav.top-nav .nav-links {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.6vh, 26px);
  margin: 0;
  padding: 96px 24px;
  overflow-y: auto;
  background: rgba(3, 3, 5, 0.98);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.8s ease, visibility 0s linear 0.8s;
}
nav.top-nav.nav-open .nav-links {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.8s ease;
}

nav.top-nav .nav-links a {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-size: clamp(1.15rem, 4.5vw, 1.5rem);
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(232, 228, 222, 0.45);
  pointer-events: auto;
  transition: color 0.5s, letter-spacing 0.5s cubic-bezier(0.2, 1, 0.3, 1);
}
nav.top-nav .nav-links a:hover,
nav.top-nav .nav-links a:focus-visible {
  color: #e8e4de;
  letter-spacing: 0.08em;
}
nav.top-nav .nav-links a[aria-current="page"] { color: #e8e4de; }

@media (prefers-reduced-motion: reduce) {
  nav.top-nav .nav-links,
  nav.top-nav .nav-links a { transition: none; }
}

/* Sfumatura dietro il menu: il testo che scorre non ci passa sotto in modo illeggibile */
nav.top-nav::before {
  content: "";
  position: absolute;
  inset: 0 0 -28px 0;
  z-index: -1;
  background: linear-gradient(rgba(3, 3, 5, 0.9), rgba(3, 3, 5, 0));
  pointer-events: none;
}
nav.top-nav.nav-open::before { display: none; }

@media (max-width: 600px) {
  nav.top-nav { padding: 20px; }
}