/* ============================================================
   IMASCIENCE — Réalisations & galeries (maquettes Cléa /galerie)
   Portail de triage, hero sombre des galeries, grille filtrable
   par rubrique + visionneuse (dialog natif)
   ============================================================ */

/* ---------- Hero sombre des pages galerie ---------- */
.page-hero {
  position: relative;
  background: linear-gradient(150deg, var(--color-dark) 20%, var(--color-purple) 75%, var(--color-dark-soft));
  color: var(--color-white);
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    color-mix(in srgb, var(--color-dark) 94%, transparent) 15%,
    color-mix(in srgb, var(--color-dark) 74%, transparent) 60%,
    color-mix(in srgb, var(--color-purple) 62%, transparent));
}
.page-hero__content {
  position: relative;
  display: grid;
  gap: var(--space-6);
  justify-items: start;
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.page-hero__content--center {
  justify-items: center;
  text-align: center;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}
.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(var(--text-5xl), 5vw, var(--text-7xl));
  line-height: var(--leading-tight);
}
.page-hero__sub {
  max-width: 56ch;
  font-size: var(--text-lg);
  color: color-mix(in srgb, var(--color-white) 88%, transparent);
  line-height: var(--leading-body);
}
.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-8);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-accent);
  font-size: var(--text-base);
}
.page-hero__meta strong { color: var(--color-accent); }
.page-hero__rubriques { color: color-mix(in srgb, var(--color-white) 80%, transparent); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
}
.breadcrumb a {
  color: color-mix(in srgb, var(--color-white) 82%, transparent);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb span[aria-hidden] { opacity: 0.5; }
.breadcrumb [aria-current] { color: var(--color-accent); }

/* ---------- Barre de filtres sous le hero ---------- */
.filterbar {
  /* collée sous le header sticky (74px) pour rester à portée de la grille */
  position: sticky;
  top: 74px;
  z-index: 40;
  background: var(--color-bg);
  border-bottom: 1px solid color-mix(in srgb, var(--color-ink) 8%, transparent);
  padding-block: var(--space-4);
}
.filterbar .filters {
  justify-content: center;
  margin: 0;
}

.galerie .filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block: var(--space-8);
}

/* ---------- Intro SEO + sections éditoriales ---------- */
.galerie__description {
  max-width: 76rem;
  margin-block: 0 var(--space-12);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}
.galerie__editorial { margin-top: clamp(var(--space-12), 6vw, var(--space-16)); }
.galerie__editorial h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
}
.galerie__editorial p { color: var(--color-ink-soft); line-height: var(--leading-body); }
.galerie__editorial p + p { margin-top: var(--space-4); }
@media (min-width: 810px) {
  .galerie__editorial--cols {
    columns: 2;
    column-gap: var(--space-12);
  }
  .galerie__editorial--cols p { break-inside: avoid-column; }
}

.galerie__soon {
  display: grid;
  gap: var(--space-8);
  justify-items: center;
  text-align: center;
  padding-block: var(--space-12);
  color: var(--color-ink-soft);
}

/* ---------- Cartes de galerie (portail + autres galeries) ---------- */
.galleries__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 810px) {
  .galleries__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1200px) {
  .galleries__grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  background: linear-gradient(150deg, var(--color-purple) 10%, var(--color-dark) 80%);
  box-shadow: 0 18px 40px -24px color-mix(in srgb, var(--color-dark) 55%, transparent);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.gallery-card:hover,
.gallery-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 28px 50px -24px color-mix(in srgb, var(--color-dark) 70%, transparent);
}
.gallery-card:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.gallery-card__media {
  aspect-ratio: 5 / 4;
}
.gallery-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-card__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--color-dark) 25%, transparent),
    color-mix(in srgb, var(--color-dark) 65%, transparent) 85%);
}
.gallery-card__count {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: 0.35em 0.9em;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-white) 82%, transparent);
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.gallery-card__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: color-mix(in srgb, var(--color-white) 85%, transparent);
}
.gallery-card__play .icon {
  width: 40px;
  height: 40px;
  box-sizing: content-box;
  padding: 34px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-dark) 62%, transparent);
  transition: transform var(--duration-base) var(--ease-out);
}
.gallery-card:hover .gallery-card__play .icon { transform: scale(1.08); }
.gallery-card__label {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  right: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.gallery-card__label .icon-badge { width: 44px; height: 44px; border-radius: 12px; }
.gallery-card__label .icon-badge .icon { width: 20px; height: 20px; }
.gallery-card__title {
  color: var(--color-white);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
}

/* ---------- « Découvrir les autres galeries » ---------- */
.others { background: var(--color-section-alt); }
.others__row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(78vw, 380px);
  gap: var(--space-6);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  scroll-snap-type: x mandatory;
}
.others__row .gallery-card { scroll-snap-align: start; }
@media (min-width: 1200px) {
  .others__row {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
  }
}

/* ---------- Bande de logos clients (portail) ---------- */
.logostrip { padding-block: 0 var(--space-16); }
.logostrip__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
}
.logostrip img {
  height: 34px;
  width: auto;
  /* logos blancs (défilé du hero home) rendus lisibles sur fond clair */
  filter: invert(1) grayscale(1);
  opacity: 0.65;
}

.galerie__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  /* marge de ciblage : header (74px) + barre de filtres sticky */
  scroll-margin-top: 150px;
}
@media (min-width: 810px) {
  .galerie__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .galerie__grid { grid-template-columns: repeat(4, 1fr); }
}

.illu.is-hidden { display: none; }

/* ---------- Grille de vidéos (galeries vidéo) ---------- */
.videos__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 810px) {
  .videos__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1200px) {
  .videos__grid { grid-template-columns: repeat(3, 1fr); }
}

.video-card { display: flex; flex-direction: column; gap: var(--space-3); }

/* Poster 16:9, image entière recadrée ; bouton lecture centré */
.video-card__media {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-dark);
  cursor: default;
}
button.video-card__media { cursor: pointer; }
.video-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-base) var(--ease-out);
}
button.video-card__media:hover img,
button.video-card__media:focus-visible img { transform: scale(1.04); }
.video-card__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--color-dark) 8%, transparent),
    color-mix(in srgb, var(--color-dark) 42%, transparent) 88%);
}
button.video-card__media:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.video-card__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-white);
  pointer-events: none;
}
.video-card__play .icon {
  width: 24px;
  height: 24px;
  box-sizing: content-box;
  padding: 20px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-accent) 88%, transparent);
  box-shadow: 0 10px 30px -12px color-mix(in srgb, var(--color-dark) 80%, transparent);
  transition: transform var(--duration-base) var(--ease-out);
}
button.video-card__media:hover .video-card__play .icon { transform: scale(1.08); }

.video-card__body { display: flex; flex-direction: column; gap: var(--space-1); }
.video-card__client {
  font-weight: var(--weight-bold);
  color: var(--color-ink);
}
.video-card__title {
  color: var(--color-ink-soft);
  line-height: var(--leading-snug);
}
.video-card__kind {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
}

/* Vignette : image claire arrondie, légende sous l'image (version validée) */
.illu__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-md);
}
/* Vignettes carrées, toujours remplies. L'image couvre la carte —
   son axe le plus court remplit, l'axe le plus long est centré-croppé.
   Image trop haute → largeur entière, haut/bas rognés ; trop large →
   hauteur entière, côtés rognés (arbitrage natif de cover + center). */
.illu__link img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
  background: var(--color-section-alt);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}
.illu__link:hover img,
.illu__link:focus-visible img {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -18px color-mix(in srgb, var(--color-blue) 60%, transparent);
}
.illu__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.illu__legende {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: var(--leading-snug);
}

/* ---------- Visionneuse ---------- */
.lightbox {
  border: none;
  padding: 0;
  background: transparent;
  width: min(92vw, 1000px);
  max-width: min(92vw, 1000px);
  max-height: 92vh;
  margin: auto;                 /* centre la boîte dans l'espace du dialog */
  inset: 0;                     /* étend la zone de positionnement au viewport */
}
.lightbox::backdrop {
  background: color-mix(in srgb, var(--color-dark) 88%, transparent);
}
.lightbox figure {
  margin: 0;
  display: grid;
  gap: var(--space-3);
  justify-items: center;
}
.lightbox img {
  max-width: min(90vw, 900px);
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}
.lightbox figcaption {
  color: var(--color-white);
  font-size: var(--text-base);
  text-align: center;
  padding-inline: var(--space-4);
}
.lightbox__close,
.lightbox__nav {
  position: fixed;
  border: none;
  background: color-mix(in srgb, var(--color-white) 12%, transparent);
  color: var(--color-white);
  font-size: var(--text-3xl);
  line-height: 1;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--duration-fast) var(--ease-out);
}
.lightbox__close:hover,
.lightbox__nav:hover { background: color-mix(in srgb, var(--color-white) 28%, transparent); }
.lightbox__close { top: var(--space-4); right: var(--space-4); }
.lightbox__nav--prev { left: var(--space-4); top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: var(--space-4); top: 50%; transform: translateY(-50%); }

/* ---------- Visionneuse vidéo (embed Vimeo/YouTube) ---------- */
.lightbox--video { width: min(94vw, 1120px); max-width: min(94vw, 1120px); }
.lightbox__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 82vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
}
.lightbox__frame iframe,
.lightbox__frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}