/* =========================================================
   FICHE OFFRE — en-tête, galerie, sections, réservation
   ========================================================= */

.offer-top { padding-top: var(--space-3); }
.offer-head { display: grid; gap: var(--space-2); margin: var(--space-3) 0; }
.offer-head h1 { font-size: var(--fs-h2); max-width: 24ch; }
.offer-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: var(--fs-sm); color: var(--c-muted); }
.offer-meta li { display: inline-flex; align-items: center; gap: .45rem; }
.offer-meta .icon { color: var(--c-accent-strong); }
.offer-meta strong { color: var(--c-text); }

/* ---------- Galerie ---------- */
.gallery { display: grid; gap: .6rem; border-radius: var(--radius-l); overflow: hidden; }
.gallery__item { position: relative; display: block; padding: 0; overflow: hidden; cursor: zoom-in; aspect-ratio: 16 / 10; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item:not(:first-child) { display: none; }
.gallery__more {
  position: absolute; right: 1rem; bottom: 1rem;
  padding: .45rem .9rem; border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .92); color: var(--c-text);
  font-size: var(--fs-xs); font-weight: 600;
}
@media (min-width: 768px) {
  .gallery--3 { grid-template-columns: 2fr 1fr; grid-template-rows: repeat(2, 1fr); height: clamp(360px, 42vw, 520px); }
  .gallery--3 .gallery__item { display: block; aspect-ratio: auto; }
  .gallery--3 .gallery__item:first-child { grid-row: span 2; }
  .gallery--2 { grid-template-columns: 1fr 1fr; }
  .gallery--2 .gallery__item { display: block; }
}

/* ---------- Visionneuse ---------- */
.lightbox {
  width: 100%; max-width: 100%; height: 100%; max-height: 100%;
  margin: 0; padding: 0; border: 0;
  background: rgba(6, 14, 26, .94);
  color: #fff;
}
.lightbox[open] { display: grid; place-items: center; }
.lightbox::backdrop { background: transparent; }
.lightbox figure { display: grid; gap: .75rem; justify-items: center; max-width: min(1200px, 92vw); }
.lightbox img { max-height: 80vh; width: auto; border-radius: var(--radius); }
.lightbox figcaption { font-size: var(--fs-sm); color: var(--c-on-dark-muted); }
.lightbox__close, .lightbox__nav {
  position: absolute; display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255, 255, 255, .12); color: #fff;
  transition: background-color var(--dur) var(--ease);
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255, 255, 255, .25); }
.lightbox__close { top: 1rem; right: 1rem; }
.lightbox__nav { top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { left: 1rem; }
.lightbox__nav--next { right: 1rem; }

/* ---------- Mise en page ---------- */
.offer-layout { display: grid; gap: var(--space-5); padding-block: var(--space-4) var(--space-6); align-items: start; }
.offer-main { min-width: 0; display: grid; gap: var(--space-5); }
@media (min-width: 1024px) {
  .offer-layout { grid-template-columns: minmax(0, 1fr) 400px; }
  .offer-aside { position: sticky; top: calc(var(--header-h) + var(--space-2)); }
}

.offer-tabs {
  position: sticky; top: var(--header-h); z-index: 5;
  display: flex; gap: var(--space-3); overflow-x: auto; scrollbar-width: none;
  padding-block: .9rem;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: calc(var(--space-3) * -1);
}
.offer-tabs::-webkit-scrollbar { display: none; }
.offer-tabs a { flex-shrink: 0; font-size: var(--fs-sm); font-weight: 600; color: var(--c-muted); text-decoration: none; }
.offer-tabs a:hover { color: var(--c-primary); }

.offer-section { display: grid; gap: var(--space-3); scroll-margin-top: calc(var(--header-h) + 4rem); }
.offer-section h2 { font-size: var(--fs-h3); }
.offer-desc { font-size: var(--fs-lg); color: var(--c-text); max-width: 65ch; line-height: 1.7; }

.highlights { display: grid; gap: var(--space-2); grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.highlights li { display: flex; gap: .8rem; align-items: flex-start; padding: var(--space-2); border-radius: var(--radius); background: var(--c-surface); border: 1px solid var(--c-line); }
.highlights .icon { width: 26px; height: 26px; color: var(--c-accent-strong); }
.highlights strong { display: block; font-size: var(--fs-sm); }
.highlights span { font-size: var(--fs-xs); color: var(--c-muted); }

/* ---------- Programme ---------- */
.itinerary { list-style: none; padding: 0; position: relative; }
.itinerary::before { content: ""; position: absolute; left: 11px; top: 1.4rem; bottom: 1.4rem; border-left: 1.5px dashed var(--c-accent); }
.itinerary li { position: relative; padding-left: 2.5rem; }
.itinerary li::before {
  content: ""; position: absolute; left: 4px; top: 1.15rem;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--c-bg); border: 2px solid var(--c-accent);
}
.itinerary li:has(details[open])::before { background: var(--c-accent); }
.itinerary details { border-bottom: 1px solid var(--c-line); }
.itinerary summary {
  display: flex; align-items: center; gap: .8rem;
  padding: .9rem 0;
  cursor: pointer;
  list-style: none;
}
.itinerary summary::-webkit-details-marker { display: none; }
.itinerary__day { flex-shrink: 0; font-size: var(--fs-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--c-accent-strong); }
.itinerary__title { flex: 1; font-weight: 600; }
.itinerary summary .icon { transition: transform var(--dur) var(--ease); color: var(--c-muted); }
.itinerary details[open] summary .icon { transform: rotate(180deg); }
.itinerary details p { padding-bottom: 1rem; color: var(--c-muted); max-width: 62ch; }

/* ---------- Inclus ---------- */
.includes { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.includes h3 { font-family: var(--font-body); font-size: var(--fs-base); font-weight: 600; letter-spacing: 0; margin-bottom: .75rem; }
.includes__list { display: grid; gap: .55rem; }
.includes__list li { display: flex; gap: .6rem; align-items: flex-start; font-size: var(--fs-sm); }
.includes__list .icon { margin-top: .25rem; flex-shrink: 0; }
.includes__list--yes .icon { color: var(--c-success); }
.includes__list--no .icon { color: var(--c-danger); }

.map { aspect-ratio: 16 / 9; border-radius: var(--radius-l); overflow: hidden; background: var(--c-sand); }
.map iframe { width: 100%; height: 100%; border: 0; }

.offer-reviews { display: grid; gap: var(--space-2); }
.offer-review { display: grid; gap: .6rem; padding: var(--space-3); border-radius: var(--radius); background: var(--c-surface); border: 1px solid var(--c-line); }
.offer-review blockquote { font-family: var(--font-title); font-size: 1.08rem; }
.offer-review figcaption { font-size: var(--fs-sm); color: var(--c-muted); }
.offer-review figcaption strong { color: var(--c-text); }

/* ---------- Formulaire de réservation ---------- */
.booking {
  display: grid; gap: var(--space-2);
  padding: var(--space-3);
  background: var(--c-surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-3);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.booking__price { display: grid; line-height: 1.25; padding-bottom: var(--space-2); border-bottom: 1px dashed var(--c-line); }
.booking__price .price__value { font-size: 2rem; }
.booking__group { display: grid; gap: .35rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.booking__group > label, .booking__group legend, .stepper label {
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--c-muted);
  padding: 0; margin-bottom: .35rem;
}
.booking small { text-transform: none; letter-spacing: 0; font-weight: 400; }
.booking__row { display: grid; gap: var(--space-2); grid-template-columns: 1fr 1fr; }
.booking textarea { resize: vertical; min-height: 0; }

.departures { display: grid; gap: .45rem; }
.departure { position: relative; cursor: pointer; }
.departure input { position: absolute; opacity: 0; }
.departure > span {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .7rem .9rem;
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-s);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.departure strong { font-size: var(--fs-sm); }
.departure small { font-size: var(--fs-xs); color: var(--c-muted); }
.departure:hover > span { border-color: var(--c-primary); }
.departure input:checked + span { border-color: var(--c-primary); background: var(--c-primary-soft); box-shadow: inset 4px 0 0 var(--c-accent); }
.departure input:focus-visible + span { outline: 2.5px solid var(--c-accent); outline-offset: 2px; }

.booking__travelers { grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.stepper { display: grid; }
.stepper__ctrl { display: flex; align-items: center; border: 1.5px solid var(--c-line); border-radius: var(--radius-s); overflow: hidden; }
.stepper__ctrl button { width: 44px; min-height: 46px; font-size: 1.25rem; color: var(--c-primary); transition: background-color var(--dur) var(--ease); }
.stepper__ctrl button:hover { background: var(--c-primary-soft); }
.stepper__ctrl input { flex: 1; min-width: 0; min-height: 46px; border: 0; border-radius: 0; text-align: center; font-weight: 600; padding: 0; -moz-appearance: textfield; appearance: textfield; }
.stepper__ctrl input::-webkit-inner-spin-button, .stepper__ctrl input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.stepper__ctrl input:focus { box-shadow: none; }

.booking__total {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: .9rem 1rem;
  border-radius: var(--radius-s);
  background: var(--c-sand);
  font-size: var(--fs-sm);
}
.booking__total strong { font-family: var(--font-title); font-size: 1.4rem; color: var(--c-primary); }
.booking__reassure { display: flex; gap: .5rem; font-size: var(--fs-xs); color: var(--c-muted); line-height: 1.5; }
.booking__reassure .icon { flex-shrink: 0; margin-top: .15rem; color: var(--c-success); }
.booking__wa { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-size: var(--fs-sm); font-weight: 600; color: #128C4A; text-decoration: none; }
.booking__wa:hover { text-decoration: underline; }
.booking .field-error { margin-top: 0; }

/* ---------- Barre mobile ---------- */
.mobile-book {
  position: fixed; inset: auto 0 0; z-index: 80;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
  padding: .75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background: var(--c-surface);
  box-shadow: 0 -8px 24px rgba(11, 37, 69, .12);
  transform: translateY(110%);
  transition: transform .35s var(--ease);
}
.mobile-book.is-visible { transform: none; }
.mobile-book p { display: grid; line-height: 1.1; }
.mobile-book span { font-size: var(--fs-xs); color: var(--c-muted); }
.mobile-book strong { font-family: var(--font-title); font-size: 1.35rem; color: var(--c-primary); }
/* Le bouton WhatsApp flottant remonte au-dessus de la barre */
body:has(.mobile-book.is-visible) .wa-float { bottom: 5.25rem; }
@media (min-width: 1024px) {
  .mobile-book { display: none; }
}