/* =========================================================================
   FotoHoliday — layout.css
   Barra di anteprima, header, navigazione, sezioni, media, footer.
   ========================================================================= */

/* --- Barra di anteprima --------------------------------------------------- */
.preview-bar {
  background: var(--ink-900);
  color: var(--sand-200);
  font-size: var(--step--1);
  line-height: 1.45;
}

.preview-bar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  padding: 0.55rem 0;
}

.preview-bar__dot {
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--terra-500);
}

.preview-bar__text { margin: 0; }

.preview-bar strong {
  color: var(--white);
  font-weight: 600;
}

.preview-bar__close {
  margin-left: auto;
  flex: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: inherit;
  border-radius: var(--radius-pill);
  padding: 0.15rem 0.7rem;
  font-size: var(--step--1);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.preview-bar__close:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
}

.preview-bar[hidden] { display: none; }

/* --- Header --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 250, 245, 0.82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(253, 250, 245, 0.94);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  min-height: var(--header-h);
}

/* --- Logo tipografico ------------------------------------------------------ */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink-900);
  flex: none;
}

.logo__sun {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 30%, #F0B26B 0%, var(--terra-500) 52%, var(--terra-700) 100%);
  box-shadow: 0 0 0 3px rgba(200, 106, 62, 0.14);
  flex: none;
}

.logo__word {
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  line-height: 1;
  white-space: nowrap;
}

.logo__word i { font-style: normal; color: var(--terra-600); }

.logo__tag {
  font-size: 0.56rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-400);
  border-left: 1px solid var(--line-strong);
  padding-left: 0.55rem;
  margin-left: 0.1rem;
  line-height: 1;
}

/* Sotto i 480px il marchio resta da solo: evita che l'header vada stretto. */
@media (max-width: 30rem) {
  .logo__tag { display: none; }
}

.logo--footer { color: var(--sand-50); }
.logo--footer .logo__word i { color: var(--terra-500); }
.logo--footer .logo__tag {
  color: var(--sand-400);
  border-color: rgba(255, 255, 255, 0.22);
}

/* --- Navigazione ----------------------------------------------------------- */
.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-m);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  position: relative;
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-700);
  padding: 0.35rem 0;
  transition: color var(--dur-fast) var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--terra-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.nav__link:hover { color: var(--ink-900); }
.nav__link:hover::after,
.nav__link[aria-current]::after { transform: scaleX(1); }
.nav__link[aria-current] { color: var(--ink-900); }

.nav__toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav__toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 1rem;
}

.nav__toggle-bars span {
  height: 1.5px;
  background: var(--ink-800);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bars span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bars span:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

@media (max-width: 62rem) {
  .nav__toggle { display: inline-flex; }

  .nav {
    position: fixed;
    inset: 0 0 auto;
    top: var(--nav-offset, var(--header-h));
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--sand-50);
    border-bottom: 1px solid var(--line);
    padding: var(--space-s) 1.25rem var(--space-m);
    box-shadow: var(--shadow-m);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  }

  .nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__list li + li { border-top: 1px solid var(--line); }

  .nav__link {
    display: block;
    padding: 0.85rem 0;
    font-size: var(--step-1);
    font-family: var(--font-display);
  }

  .nav__link::after { display: none; }

  .nav .btn { margin-top: var(--space-s); justify-content: center; }
}

/* --- Sezioni --------------------------------------------------------------- */
.section { padding-block: var(--space-2xl); }
.section--tight { padding-block: var(--space-xl); }
.section--alt { background: var(--bg-alt); }
.section--ink {
  background: var(--ink-900);
  color: var(--sand-200);
}
.section--ink h2, .section--ink h3 { color: var(--sand-50); }

.section__head {
  max-width: 42rem;
  margin-bottom: var(--space-l);
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.section__head--center .rule { margin-inline: auto; }

/* --- Media / fotografie ----------------------------------------------------- */
.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  background:
    linear-gradient(160deg, var(--sand-300) 0%, var(--sand-200) 42%, var(--ocean-200) 100%);
}

.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Sostituto elegante quando il file immagine non è ancora disponibile. */
.media.is-missing::after {
  content: attr(data-fallback-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  padding: var(--space-m);
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--ink-700);
  background:
    radial-gradient(120% 80% at 70% 15%, rgba(255, 255, 255, 0.55), transparent 60%),
    linear-gradient(170deg, var(--ocean-200) 0%, var(--sand-200) 45%, var(--sand-300) 100%);
}

.media--4x5 { aspect-ratio: 4 / 5; }
.media--3x2 { aspect-ratio: 3 / 2; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--tall { aspect-ratio: 3 / 4; }

/* Inquadrature diverse ricavate dagli stessi tre scatti illustrativi.
   La classe va sul contenitore diretto dell'immagine. */
.crop-subjects > img { object-position: 74% 52%; }   /* coppia sulle dune */
.crop-dune > img { object-position: 18% 72%; }       /* sabbia, spazio per il testo */
.crop-ocean > img { object-position: 58% 34%; }      /* linea d'orizzonte */
.crop-wide > img { object-position: 62% 46%; }
.crop-man > img { object-position: 86% 40%; }        /* figura maschile */
.crop-kids > img { object-position: 52% 62%; }       /* bambini che corrono */
.crop-group > img { object-position: 38% 52%; }
.crop-face > img { object-position: 46% 26%; }       /* volto, scatto verticale */
.crop-portrait > img { object-position: 50% 42%; }

figure { margin: 0; }

figcaption {
  font-size: var(--step--1);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* --- Rivelazione allo scroll ------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* --- Footer ----------------------------------------------------------------- */
.site-footer {
  background: var(--ink-900);
  color: var(--sand-300);
  padding-block: var(--space-2xl) var(--space-m);
  font-size: 0.95rem;
}

.site-footer a { color: var(--sand-100); }

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-l);
  align-items: start;
}

.site-footer h3 {
  font-family: var(--font-sans);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand-400);
  margin-bottom: var(--space-xs);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li { margin-top: 0.4rem; }

.site-footer__claim {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--sand-100);
  margin-top: var(--space-s);
  max-width: 22ch;
}

.site-footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-s);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s) var(--space-m);
  align-items: center;
  justify-content: space-between;
  font-size: var(--step--1);
  color: var(--ink-400);
}

@media (max-width: 62rem) {
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 30rem) {
  .site-footer__grid { grid-template-columns: 1fr; }
}