:root { --ease: cubic-bezier(0.22, 1, 0.36, 1); }

html, body { background-color: #fbfbf9; }
body { -webkit-font-smoothing: antialiased; }

/* Photos noir & blanc à fort contraste */
.bw {
  filter: grayscale(100%) contrast(1.18) brightness(0.98);
  transition: filter 1.2s var(--ease), transform 1.4s var(--ease), opacity 1.2s var(--ease);
}
.bw:hover { filter: grayscale(100%) contrast(1.28) brightness(1); }

/* Fade-in délicat au scroll */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Image qui apparaît une fois chargée */
.img-load { opacity: 0; transition: opacity 1.3s var(--ease); }
.img-load.loaded { opacity: 1; }

/* Lien soulignement fin animé */
.link-underline { position: relative; }
.link-underline::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* Champs de formulaire fins */
.field {
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(10,10,10,0.18);
  padding: 0.6rem 0;
  width: 100%;
  font-weight: 300;
  letter-spacing: 0.01em;
  color: #0a0a0a;
  transition: border-color 0.5s var(--ease);
}
.field::placeholder { color: rgba(10,10,10,0.35); font-weight: 300; }
.field:focus { outline: none; border-bottom-color: #0a0a0a; }

/* Galerie : photo cliquable + survol qui la met en valeur */
.ph-trigger {
  position: relative; display: block; width: 100%;
  overflow: hidden; cursor: zoom-in; border: 0; padding: 0;
  background: rgba(10,10,10,0.05);
}
.ph-trigger .bw { transition: transform 1.4s var(--ease), filter 1.2s var(--ease), opacity 1.2s var(--ease); }
.ph-trigger:hover .bw { transform: scale(1.055); filter: grayscale(100%) contrast(1.32) brightness(1.03); }
.ph-cap {
  position: absolute; inset: 0; display: flex; align-items: flex-end;
  padding: 1.4rem 1.6rem; opacity: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(10,10,10,0.68) 0%, rgba(10,10,10,0) 50%);
  transition: opacity 0.55s var(--ease);
}
.ph-trigger:hover .ph-cap { opacity: 1; }
.ph-expand {
  position: absolute; top: 1.1rem; right: 1.1rem; color: #fbfbf9;
  opacity: 0; pointer-events: none; transform: translateY(-4px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.ph-trigger:hover .ph-expand { opacity: 0.9; transform: translateY(0); }

/* Lightbox plein écran (même page) */
.lightbox {
  opacity: 0; visibility: hidden;
  transition: opacity 0.55s var(--ease), visibility 0s linear 0.55s;
}
.lightbox.open { opacity: 1; visibility: visible; transition: opacity 0.55s var(--ease); }
.lightbox img#lightbox-img {
  opacity: 0; transform: scale(0.985);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.lightbox img#lightbox-img.ready { opacity: 1; transform: scale(1); }

/* Scrollbar discrète */
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: #fbfbf9; }
::-webkit-scrollbar-thumb { background: #d8d8d2; }
::-webkit-scrollbar-thumb:hover { background: #bdbdb5; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .img-load, .bw { transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}