/* Universal Connect — section « Nos projets » : carrousel d'une diapositive par projet */

.projects {
  max-width: 1320px; margin: 0 auto; padding: clamp(48px, 5vw, 72px) var(--gutter) 0;   /* mobile ; ordinateur : voir ci-dessous */
}
@media (min-width: 761px) {
  .projects { padding-top: 16px; }   /* titre remonté juste sous les cartes de services (cartes gardées dans le 1er écran) */
}
.projects-head {
  display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

/* Flèches */
.carousel-nav { display: flex; gap: 10px; }
.carousel-btn {
  display: grid; place-items: center; width: 52px; height: 52px; padding: 0;
  border-radius: 50%; border: 1px solid rgba(110, 175, 255, 0.35);
  background: rgba(10, 17, 36, 0.7); color: var(--ink); cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.carousel-btn:hover { background: rgba(47, 123, 255, 0.18); border-color: var(--accent); transform: translateY(-2px); }
.carousel-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Piste : les diapositives sont empilées dans la même case ; on passe de l'une à l'autre par un retournement 3D.
   touch-action pan-y : le défilement vertical de la page reste libre, le glissé horizontal est géré par carousel.js. */
.carousel-track {
  --flip-dir: 1;   /* 1 = vers le suivant, -1 = vers le précédent (posé par carousel.js) */
  display: grid; margin: 0; padding: 0; list-style: none;
  perspective: 1800px; touch-action: pan-y;
}

.slide {
  grid-area: 1 / 1;
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: center;
  gap: clamp(24px, 4vw, 56px); padding: clamp(18px, 2.5vw, 28px);
  border-radius: var(--radius-l); border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(60, 140, 255, 0.12), rgba(8, 13, 28, 0.98) 55%);
  backface-visibility: hidden; transform-origin: 50% 50%;
  visibility: hidden; opacity: 0;
}
.slide.is-active, .slide.is-leaving { visibility: visible; opacity: 1; }

/* Retournement en deux temps : la carte sortante pivote jusqu'à la tranche, puis la nouvelle finit le tour */
.slide.is-leaving { z-index: 1; animation: slide-flip-out 0.42s cubic-bezier(.55, 0, .9, .45) forwards; }
.slide.is-entering { z-index: 2; animation: slide-flip-in 0.6s cubic-bezier(.15, .7, .25, 1) 0.4s both; }
@keyframes slide-flip-out {
  to { transform: rotateY(calc(var(--flip-dir) * -90deg)) scale(0.94); filter: brightness(0.5); }
}
@keyframes slide-flip-in {
  from { transform: rotateY(calc(var(--flip-dir) * 90deg)) scale(0.94); filter: brightness(0.5); }
  to { transform: none; filter: none; }
}

.slide-media {
  margin: 0; overflow: hidden; border-radius: var(--radius-m);   /* chaque photo garde ses proportions : rien n'est rogné */
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.9);
}
.slide-media img {
  display: block; width: 100%; height: auto;
  transform: scale(1.06); transition: transform 1.2s cubic-bezier(.2, .8, .2, 1), opacity 0.25s ease;
}
.slide-media img.is-swapping { opacity: 0; }

/* Galerie : vignettes sous la photo, la photo choisie est en grand */
.slide-visual { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.slide-thumbs { display: flex; flex-wrap: wrap; gap: 10px; }
.thumb {
  flex: 0 1 96px; padding: 0; border-radius: 8px; overflow: hidden; cursor: pointer; background: none;
  border: 1px solid rgba(255, 255, 255, 0.14); opacity: 0.55;
  transition: opacity 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, translate 0.25s ease;
}
.thumb img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; }
.thumb:hover { opacity: 0.9; translate: 0 -2px; }
.thumb:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.thumb[aria-pressed="true"] { opacity: 1; border-color: var(--accent); box-shadow: 0 0 18px -4px rgba(77, 163, 255, 0.7); }
.slide.is-active .slide-media img { transform: scale(1); }

.slide-body { display: flex; flex-direction: column; gap: 14px; }
/* Texte en cascade à chaque projet affiché : étiquettes, nom, puis description */
.slide.is-active .slide-body > * { animation: slide-text-in 0.6s cubic-bezier(.2, .8, .2, 1) both; }
.slide.is-active .slide-body > :nth-child(1) { animation-delay: 0.55s; }
.slide.is-active .slide-body > :nth-child(2) { animation-delay: 0.68s; }
.slide.is-active .slide-body > :nth-child(3) { animation-delay: 0.81s; }
@keyframes slide-text-in { from { opacity: 0; transform: translateY(18px); } }
.slide-tags {
  margin: 0; font-size: 13px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-soft);
}
.slide-body h3 {
  margin: 0; font-family: var(--font-display); font-weight: 600;
  font-size: clamp(30px, 3.6vw, 48px); line-height: 1.05; letter-spacing: -0.02em;
}
.slide-body p:last-child { margin: 0; color: var(--ink-muted); max-width: 42ch; }

/* Points */
.carousel-dots { display: flex; justify-content: center; gap: 10px; margin-top: 24px; }
.carousel-dots button {
  width: 10px; height: 10px; padding: 0; border: 0; border-radius: 999px; cursor: pointer;
  background: rgba(255, 255, 255, 0.22); transition: width 0.35s ease, background 0.35s ease;
}
.carousel-dots button[aria-current="true"] { width: 32px; background: var(--accent); }

@media (max-width: 860px) {
  .slide { grid-template-columns: minmax(0, 1fr); align-items: start; }
}
@media (prefers-reduced-motion: reduce) {
  .slide.is-leaving, .slide.is-entering, .slide.is-active .slide-body > * { animation: none; }
  .slide-media img, .carousel-btn, .carousel-dots button { transition: none; }
  .slide-media img { transform: none; }
}