/*
 * Festival del Sud — layout comune: pagina, paesaggio 3D, header, menu, footer.
 */

.fds-page {
  position: relative;
  overflow-x: clip;
}

main, .fds-footer { position: relative; z-index: 1; }

/* Paesaggio 3D: fisso dietro ai contenuti */
.fds-landscape {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: multiply;
  transition: opacity 0.35s ease;
}
.fds-landscape.is-screen { mix-blend-mode: screen; }
.fds-landscape.is-fading { opacity: 0; }
html:not(.fds-motion) .fds-landscape { display: none; }

/* Header */
.fds-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-h);
  padding: calc(env(safe-area-inset-top, 0px) + 12px) var(--gutter) 12px;
  color: var(--fg);
  transition: transform 0.5s var(--ease-out), background-color 0.4s ease;
}
.fds-header.is-hidden { transform: translateY(-105%); }
.fds-header.is-solid {
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.fds-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}
.fds-brand__star {
  color: var(--display);
  font-size: 30px;
  line-height: 0.7;
  animation: fds-spin 22s linear infinite;
}
.fds-brand__name {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: opacity 0.5s ease, transform 0.6s var(--ease-out);
}
html.fds-motion .fds-header:not(.is-past-hero) .fds-brand__name { opacity: 0; transform: translateX(-8px); }

.fds-header__tools {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.fds-lang { display: flex; align-items: center; gap: 8px; }
.fds-lang__current { text-decoration: underline; text-decoration-color: var(--display); text-decoration-thickness: 2px; text-underline-offset: 0.35em; }
.fds-lang__other { opacity: 0.7; }

.fds-menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 4px;
  background: none;
  border: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.fds-menu-toggle__icon {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 10px;
}
.fds-menu-toggle__icon::before,
.fds-menu-toggle__icon::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: currentColor;
  transition: transform 0.4s var(--ease-out);
}
.fds-menu-toggle__icon::before { top: 0; }
.fds-menu-toggle__icon::after { bottom: 0; }
.fds-menu-toggle[aria-expanded="true"] .fds-menu-toggle__icon::before { transform: translateY(4px) rotate(45deg); }
.fds-menu-toggle[aria-expanded="true"] .fds-menu-toggle__icon::after { transform: translateY(-4px) rotate(-45deg); }

/* Con il menu aperto l'header prende i colori del menu */
.fds-header.is-menu-open { color: var(--fds-salvia); background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.fds-header.is-menu-open .fds-brand__name { opacity: 1; transform: none; }
.fds-header.is-menu-open .fds-brand__star { color: var(--fds-bianco); }

/* Menu a schermo intero */
.fds-menu {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 32px;
  padding: calc(env(safe-area-inset-top, 0px) + var(--header-h) + 3vh) var(--gutter) calc(env(safe-area-inset-bottom, 0px) + var(--gutter));
  background: var(--fds-inchiostro);
  color: var(--fds-salvia);
  overflow-y: auto;
}
.fds-menu__list {
  align-self: center;
  display: flex;
  flex-direction: column;
}
.fds-menu__item { overflow: hidden; border-top: 1px solid rgba(167, 191, 151, 0.2); }
.fds-menu__item:last-child { border-bottom: 1px solid rgba(167, 191, 151, 0.2); }
.fds-menu__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 0 0;
  color: var(--fds-salvia);
  text-decoration: none;
  transition: color 0.3s ease, padding-left 0.5s var(--ease-out);
}
.fds-menu__label {
  font-family: var(--font-display);
  text-transform: uppercase;
  line-height: 0.95;
  font-size: clamp(40px, 7.4vw, 112px);
  font-size: clamp(40px, min(7.4vw, 8.4svh), 112px);
}
.fds-menu__meta {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
  text-align: right;
}
.fds-menu__link:hover,
.fds-menu__link:focus-visible { color: var(--fds-bianco); padding-left: clamp(8px, 2vw, 28px); }
.fds-menu__link:focus-visible { outline-color: var(--fds-bianco); }

.fds-menu__foot {
  display: flex;
  justify-content: space-between;
  gap: 16px 32px;
  flex-wrap: wrap;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.fds-menu__foot span:last-child { color: var(--fds-bianco); }

@media (max-width: 640px) {
  .fds-menu__meta { display: none; }
  .fds-header .fds-lang { display: none; }
  .fds-menu .fds-lang { display: flex; }
}
@media (min-width: 641px) {
  .fds-menu .fds-lang { display: none; }
}

/* Footer */
.fds-footer {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 64px);
  padding: clamp(48px, 7vw, 96px) var(--gutter) clamp(32px, 4vw, 56px);
  overflow: hidden;
}

.fds-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px clamp(20px, 3vw, 48px);
  border-top: 1px solid var(--rule);
  padding-top: clamp(20px, 2.4vw, 32px);
}
.fds-footer__col h3 {
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--display);
}
.fds-footer__col li + li { margin-top: 6px; }
.fds-footer__col a { text-decoration: none; }
.fds-footer__col a:hover { text-decoration: underline; text-decoration-color: var(--fds-magenta); }
.fds-footer__col p { max-width: 30ch; }

/* Loghi: stessi rapporti ottici della pagina in costruzione */
.fds-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: clamp(12px, 1.6vw, 20px);
  border-top: 1px solid var(--rule);
  padding-top: clamp(16px, 2.2vw, 26px);
}
.fds-logos__item { height: 92px; display: flex; align-items: center; justify-content: center; }
.fds-logos__img { width: auto; max-width: 100%; object-fit: contain; }
.fds-logos__img--valentia { height: 46px; }
.fds-logos__img--calabria-straordinaria { height: 66px; }
.fds-logos__img--regione { height: 78px; }
.fds-logos__img--pac { height: 60px; }

.fds-footer__legal {
  display: flex;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.fds-footer__legal span { text-wrap: pretty; }

.fds-credits { font-size: 12px; color: var(--muted); }
.fds-credits summary { cursor: pointer; font-weight: 600; letter-spacing: 0.06em; }
.fds-credits ul { margin-top: 10px; display: grid; gap: 4px; }

/* Navigazione principale: cinque voci, sempre visibili da 900px in su */
.fds-nav { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 30px); }
.fds-nav a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.fds-nav a:hover { border-bottom-color: var(--display); }
.fds-nav a[aria-current="page"] { border-bottom-color: var(--display); color: var(--display); }

.fds-header__cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 18px;
  background: var(--fds-magenta);
  color: var(--fds-bianco);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.25s ease;
}
.fds-header__cta:hover { background: var(--fds-inchiostro); }

@media (max-width: 899px) {
  .fds-nav, .fds-header__cta { display: none; }
}
@media (min-width: 900px) {
  .fds-menu-toggle { display: none; }
}