/* ═══════════════════════════════════════════════════════
   GALERIE — Styles spécifiques à galerie.html
═══════════════════════════════════════════════════════ */

/* ── Hero ── */
.galerie-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}

.galerie-hero-bg {
  position: absolute;
  inset: 0;
}
.galerie-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.galerie-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4,20,40,.92) 0%, rgba(7,52,95,.60) 60%, rgba(7,52,95,.30) 100%);
}

.galerie-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem clamp(16px, 5vw, 72px);
}
.galerie-hero-inner .hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.galerie-hero-inner h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: .75rem;
}
.galerie-hero-inner .hero-lead {
  max-width: 600px;
  font-size: clamp(.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,.78);
  margin: 0;
}

/* ── Filters bar ── */
.galerie-filters-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 76px;
  z-index: 50;
  padding: 1rem clamp(16px, 5vw, 72px);
}
.galerie-filters-bar .section-inner { max-width: 1240px; margin: 0 auto; }
.galerie-filters-bar .filters { margin: 0; gap: 8px; }

/* ── Section titles ── */
.galerie-sec-header {
  margin-bottom: 2rem;
}
.galerie-sec-header h2 { margin-bottom: .5rem; }
.galerie-sec-header p  { color: var(--muted); max-width: 600px; margin: 0; font-size: .95rem; }

/* ── Photo grid ── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.photo-grid-portraits {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}
.photo-grid-founder {
  grid-template-columns: minmax(0, .6fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.photo-item { margin: 0; }
.photo-wide { grid-column: span 2; }

/* ── Photo button/media ── */
.photo-btn {
  display: block;
  width: 100%;
  padding: 0;
  background: none;
  border: none;
  cursor: zoom-in;
  position: relative;
  overflow: hidden;
  border-radius: var(--r);
  aspect-ratio: 4 / 3;
}

.photo-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s var(--ease-plain);
}
.photo-btn:hover img { transform: scale(1.06); }

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4,20,40,.7) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity .25s var(--ease-plain);
}
.photo-btn:hover .photo-overlay,
.photo-btn:focus-visible .photo-overlay { opacity: 1; }

.photo-overlay span {
  font-size: .82rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: .06em;
  text-shadow: 0 1px 4px rgba(0,0,0,.6);
}

/* portrait: taller ratio */
.photo-portrait .photo-btn { aspect-ratio: 3 / 4; }

/* document: natural ratio */
.photo-doc .photo-btn {
  aspect-ratio: 16 / 7;
}
.photo-doc-logo .photo-btn {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--deep), var(--navy));
}
.photo-doc-logo img {
  object-fit: contain !important;
  padding: 1.5rem;
}

/* founder portrait */
.photo-founder .photo-btn {
  aspect-ratio: 3 / 4;
  max-width: 340px;
}

/* figcaption */
.photo-item figcaption {
  margin-top: .6rem;
  padding: 0 4px;
}
.photo-item figcaption strong {
  display: block;
  font-size: .9rem;
  color: var(--deep);
  font-family: 'Playfair Display', serif;
  line-height: 1.3;
}
.photo-item figcaption span {
  display: block;
  font-size: .78rem;
  color: var(--subtle);
  margin-top: 2px;
}

/* role badge */
.role-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--sky-lt);
  color: var(--navy);
  border-radius: 999px;
  margin-top: 4px;
}
.role-rector {
  background: var(--gold-lt);
  color: var(--gold-dk);
}

/* ── Founder bio ── */
.founder-bio h3 {
  margin-bottom: 1rem;
  font-size: 1.4rem;
}
.founder-bio p {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.founder-bio strong { color: var(--deep); }

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(4,20,40,.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: lb-in .2s var(--ease-plain);
}
.lightbox[hidden] { display: none; }

@keyframes lb-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lb-inner {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lb-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--r);
  box-shadow: 0 32px 80px rgba(0,0,0,.5);
}

.lb-caption {
  color: rgba(255,255,255,.75);
  font-size: .88rem;
  text-align: center;
  max-width: 600px;
  line-height: 1.5;
  margin: 0;
}

.lb-close,
.lb-prev,
.lb-next {
  position: fixed;
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  transition: background .15s;
  z-index: 1001;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover {
  background: rgba(255,255,255,.25);
}

.lb-close { top: 1.5rem; right: 1.5rem; font-size: 1rem; }
.lb-prev  { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* hidden category sections */
.galerie-section.is-hidden { display: none; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .photo-grid-portraits { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
  .photo-grid         { grid-template-columns: repeat(2, 1fr); }
  .photo-wide         { grid-column: auto; }
  .photo-grid-founder { grid-template-columns: 1fr; }
  .photo-founder .photo-btn { max-width: 100%; }
  .lb-prev { left: .5rem; }
  .lb-next { right: .5rem; }
}
@media (max-width: 560px) {
  .photo-grid           { grid-template-columns: 1fr; }
  .photo-grid-portraits { grid-template-columns: repeat(2, 1fr); }
  .galerie-filters-bar  { top: 0; }
}