/* ════════════════════════════════════════════════════════════════════
   gallery.css — galeries justifiées (/portfolio, /projets) : filtres, grille, visionneuse.
   À charger après pages.css.
   ════════════════════════════════════════════════════════════════════ */

:root{--pg-row:280px;--pg-gap:6px}
@media(max-width:1100px){:root{--pg-row:230px}}
@media(max-width:700px){:root{--pg-row:200px;--pg-gap:4px}}

/* FILTRES (collants sous la nav ; défilables au doigt sur mobile) */
.pg-filters{position:sticky;top:72px;z-index:40;background:rgba(30,35,64,.92);backdrop-filter:blur(14px);border-top:1px solid rgba(126,202,195,.12);border-bottom:1px solid rgba(126,202,195,.12)}
.pg-filters-in{max-width:1600px;margin:0 auto;padding:0 var(--pg-pad);display:flex;gap:2.2rem;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
.pg-filters-in::-webkit-scrollbar{display:none}
.pg-filters a{position:relative;display:inline-flex;align-items:baseline;gap:.4rem;flex:none;padding:1.1rem 0;color:var(--gray-soft);text-decoration:none;font-size:.84rem;font-weight:500;letter-spacing:.05em;white-space:nowrap;scroll-snap-align:start;transition:color .2s}
.pg-filters a sup{font-family:'DM Mono',monospace;font-size:.56rem;color:var(--gray-mid)}
.pg-filters a::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.pg-filters a:hover{color:#fff}
.pg-filters a:hover::after,.pg-filters a[aria-current]::after{transform:scaleX(1)}
.pg-filters a[aria-current]{color:#fff}
@media(max-width:700px){.pg-filters-in{gap:1.6rem}}

/* GALERIE JUSTIFIÉE : chaque rangée occupe toute la largeur, les photos gardent leur format (aucun recadrage) */
.pg-gallery{max-width:2000px;margin:0 auto;padding:var(--pg-gap)}
.pg-grid{list-style:none;display:flex;flex-wrap:wrap;gap:var(--pg-gap)}
.pg-grid::after{content:'';flex-grow:1000000}              /* la dernière rangée ne s'étire pas */
.pg-item{position:relative;overflow:hidden;min-width:0;background:var(--marine-mid);aspect-ratio:var(--r);flex:calc(var(--r)*100) 1 calc(var(--r)*var(--pg-row))}
.pg-link{position:absolute;inset:0;display:block;cursor:zoom-in}
.pg-link:focus-visible{outline:2px solid var(--gold);outline-offset:-3px}
.pg-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.2,1)}

/* Légende au survol (appareils avec souris uniquement) */
.pg-cap{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;gap:.15rem;padding:2.2rem 1.1rem 1rem;background:linear-gradient(to top,rgba(10,12,28,.88),rgba(10,12,28,0));opacity:0;transform:translateY(10px);transition:opacity .35s,transform .35s;pointer-events:none}
.pg-cap-cat{font-family:'DM Mono',monospace;font-size:.56rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.pg-cap-ttl{font-size:.9rem;font-weight:400;color:#fff;line-height:1.3}
@media(hover:hover){
  .pg-link:hover img{transform:scale(1.045)}
  .pg-link:hover .pg-cap,.pg-link:focus-visible .pg-cap{opacity:1;transform:none}
}

@media(prefers-reduced-motion:reduce){
  .pg-item img,.pg-cap,.pg-filters a::after,.lb,.lb-img{transition:none}
  .pg-link:hover img{transform:none}
}

/* Apparition au scroll, en CSS pur (ignorée si non supportée ou si l'utilisateur réduit les animations) */
@supports (animation-timeline:view()){
  @media(prefers-reduced-motion:no-preference){
    .pg-item{animation:pg-in linear both;animation-timeline:view();animation-range:entry 0% entry 45%}
    @keyframes pg-in{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
  }
}

/* VISIONNEUSE (créée par lightbox.js) */
.lb{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;background:rgba(10,12,28,.97);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.lb.open{opacity:1;visibility:visible}
.lb-fig{margin:0;display:flex;flex-direction:column;align-items:center;max-width:min(94vw,1900px);max-height:94vh}
.lb-img{display:block;max-width:100%;max-height:82vh;width:auto;height:auto;object-fit:contain;box-shadow:0 10px 70px rgba(0,0,0,.65);transition:opacity .2s}
.lb-img.loading{opacity:.55}
.lb-cap{margin-top:1rem;text-align:center;max-width:70ch;min-height:2.6rem}
.lb-cap-cat{display:block;font-family:'DM Mono',monospace;font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:.25rem}
.lb-cap-ttl{font-size:.95rem;color:var(--gray-soft);line-height:1.4}
.lb-btn{position:absolute;display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:1px solid rgba(126,202,195,.28);border-radius:50%;background:rgba(30,35,64,.85);color:var(--teal);cursor:pointer;transition:background .2s,border-color .2s}
.lb-btn:hover,.lb-btn:focus-visible{background:rgba(126,202,195,.16);border-color:var(--teal);outline:none}
.lb-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lb-close{top:1.1rem;right:1.1rem}
.lb-prev{left:1.1rem;top:50%;transform:translateY(-50%)}
.lb-next{right:1.1rem;top:50%;transform:translateY(-50%)}
.lb-count{position:absolute;top:1.6rem;left:1.6rem;font-family:'DM Mono',monospace;font-size:.62rem;letter-spacing:.14em;color:rgba(126,202,195,.6)}
@media(max-width:700px){
  .lb-prev,.lb-next{top:auto;bottom:1rem;transform:none;width:44px;height:44px}
  .lb-prev{left:1rem}.lb-next{right:1rem}
  .lb-img{max-height:74vh}
}