/* ============================================
   CAROUSEL — Stack vertical 3D d'images de projet
   Adapté du composant React/Framer-Motion en CSS pur
   Style : néomorphique + LED (vert pomme → fluo → blanc)
   ============================================ */

.projets__carousel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-9);
  align-items: center;
  min-height: 640px;
  padding: var(--s-7) 0;
}

/* ===== Stack d'images (côté droit) ===== */
.carousel-stack {
  position: relative;
  width: 100%;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
  user-select: none;
  -webkit-user-select: none;
}

/* Halo LED ambiant derrière le stack */
.carousel-stack::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 540px;
  height: 320px;
  transform: translate(-50%, -50%);
  background: var(--grad-led-radial);
  filter: blur(40px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
  animation: ledPulse 6s ease-in-out infinite;
}

@keyframes ledPulse {
  0%, 100% { opacity: 0.30; transform: translate(-50%, -50%) scale(1); }
  50%      { opacity: 0.55; transform: translate(-50%, -50%) scale(1.08); }
}

/* ===== Carte du stack (chaque image) ===== */
.carousel-card {
  position: absolute;
  width: 480px;
  height: 270px; /* 16:9 */
  border-radius: 24px;
  overflow: hidden;
  cursor: grab;
  background: linear-gradient(145deg, #1A1A1A, #0E0E0E);
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  transform-style: preserve-3d;
  will-change: transform, opacity;
  transition:
    transform 600ms var(--ease),
    box-shadow 500ms var(--ease),
    opacity 500ms var(--ease);
  z-index: 1;
  top: 50%;
  left: 50%;
  margin-top: -135px;
  margin-left: -240px;
}

.carousel-card.is-current {
  cursor: grab;
  z-index: 5;
  box-shadow:
    0 35px 70px -15px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 255, 255, 0.10),
    0 0 60px -10px rgba(124, 255, 0, 0.45),
    0 0 120px -20px rgba(0, 255, 127, 0.30);
}

.carousel-card.is-current::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--grad-led);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1.5px;
  opacity: 0.85;
  pointer-events: none;
  animation: ledBorderShift 4s linear infinite;
  background-size: 200% 200%;
}

@keyframes ledBorderShift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.carousel-card:active { cursor: grabbing; }

.carousel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* Overlay dégradé en bas pour lisibilité */
.carousel-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.75) 100%);
  pointer-events: none;
  z-index: 1;
}

/* ===== Méta de la carte (tag + index) ===== */
.carousel-card__meta {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px 22px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--s-3);
  color: var(--c-text);
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

.carousel-card.is-current .carousel-card__meta {
  opacity: 1;
  transform: translateY(0);
}

.carousel-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--r-pill);
  color: var(--c-text);
}

.carousel-card__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px var(--c-accent);
}

.carousel-card__num {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: var(--fs-4);
  color: var(--c-text);
  letter-spacing: -0.02em;
  text-transform: none;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

/* ============================================
   INFOS PROJET (côté gauche)
   Avec animation 3D du nom de projet
   ============================================ */
.carousel-info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
  perspective: 1000px;
}

.carousel-info__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  width: fit-content;
}

.carousel-info__eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--grad-led-line);
  background-size: 200% 100%;
  animation: ledSlide 3s linear infinite;
}

/* ===== Stack 3D des noms de projets ===== */
.carousel-info__name-stack {
  position: relative;
  perspective: 900px;
  transform-style: preserve-3d;
  /* Hauteur pilotée par la ligne de base (≈ 1.1em de la taille du nom) */
  min-height: calc(var(--fs-8) * 1.1);
  overflow: hidden;
  z-index: 1;
}

.carousel-info__name {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--fs-8);
  line-height: 1.05;
  letter-spacing: -0.04em;
  background: var(--grad-led-text);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  opacity: 0;
  transform: translateY(85%) scale(0.92);
  transform-origin: center center;
  filter: blur(14px);
  transition:
    transform 750ms var(--ease),
    opacity 600ms var(--ease),
    filter 600ms var(--ease);
  pointer-events: none;
  will-change: transform, opacity, filter;
  animation: ledTextShift 6s linear infinite;
  z-index: 2;
}

@keyframes ledTextShift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.carousel-info__name.is-prev {
  opacity: 0;
  transform: translateY(-85%) scale(0.92);
  filter: blur(14px);
}

.carousel-info__name.is-current {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.carousel-info__name.is-next {
  opacity: 0;
  transform: translateY(85%) scale(0.92);
  filter: blur(14px);
}

/* ===== Reveal lettre par lettre (géré par project-name-animation.js) ===== */
.pna-letter {
  display: inline-block;
  transform: translateY(110%) rotateX(-90deg);
  opacity: 0;
  transform-origin: bottom center;
  will-change: transform, opacity;
}

.carousel-info__name.is-prev .pna-letter,
.carousel-info__name.is-next .pna-letter {
  /* les lettres des noms non-courants restent en place,
     mais le parent est masqué par opacity:0 + transform */
  transform: translateY(0) rotateX(0);
  opacity: 1;
  transition: none;
}

.carousel-info__desc {
  font-size: var(--fs-5);
  line-height: 1.5;
  color: var(--c-text-soft);
  max-width: 480px;
  min-height: calc(1.5em * 3);
  transition: opacity 350ms var(--ease);
}

.carousel-info__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.carousel-info__chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-text-line);
  border-radius: var(--r-pill);
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-text-soft);
  box-shadow:
    inset 2px 2px 6px rgba(0, 0, 0, 0.3),
    inset -2px -2px 4px rgba(255, 255, 255, 0.02);
  transition: color 300ms, border-color 300ms, box-shadow 300ms;
}

.carousel-info__chip:hover {
  color: var(--c-text);
  border-color: var(--c-accent);
  box-shadow:
    inset 2px 2px 6px rgba(0, 0, 0, 0.3),
    inset -2px -2px 4px rgba(255, 255, 255, 0.02),
    0 0 16px -4px rgba(124, 255, 0, 0.4);
}

.carousel-info__actions {
  display: flex;
  gap: var(--s-3);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--s-3);
}

/* ============================================
   CONTRÔLES DU CARROUSEL
   ============================================ */
.carousel-controls {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  margin-top: var(--s-3);
}

.carousel-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--c-text-line);
  background: linear-gradient(145deg, #1A1A1A, #070707);
  color: var(--c-text);
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
  box-shadow:
    6px 6px 16px rgba(0, 0, 0, 0.4),
    -4px -4px 12px rgba(255, 255, 255, 0.03),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  transition: transform 300ms var(--ease), box-shadow 300ms var(--ease), border-color 300ms;
}

.carousel-btn i {
  width: 20px;
  height: 20px;
  transition: transform 300ms var(--ease);
}

.carousel-btn:hover {
  border-color: var(--c-accent);
  box-shadow:
    6px 6px 16px rgba(0, 0, 0, 0.4),
    -4px -4px 12px rgba(255, 255, 255, 0.03),
    inset 0 0 0 1px rgba(124, 255, 0, 0.20),
    0 0 24px -6px rgba(124, 255, 0, 0.5);
  color: var(--c-text);
}

.carousel-btn:hover i {
  transform: scale(1.1);
}

.carousel-btn--next:hover i {
  transform: translate(2px, 0);
}

.carousel-btn--prev:hover i {
  transform: translate(-2px, 0);
}

.carousel-btn:active {
  transform: scale(0.95);
  box-shadow:
    inset 4px 4px 8px rgba(0, 0, 0, 0.4),
    inset -2px -2px 6px rgba(255, 255, 255, 0.04);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-counter {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--f-mono);
  letter-spacing: 0.05em;
  color: var(--c-text-soft);
}

.carousel-counter__current {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: var(--fs-5);
  color: var(--c-text);
  letter-spacing: -0.02em;
  min-width: 28px;
  display: inline-block;
  text-align: right;
}

.carousel-counter__sep {
  color: var(--c-text-line);
}

.carousel-counter__total {
  font-size: var(--fs-2);
  color: var(--c-text-soft);
}

/* ============================================
   DOTS DE NAVIGATION
   ============================================ */
.carousel-dots {
  display: flex;
  gap: 8px;
  margin-left: var(--s-3);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--c-text-line);
  border: none;
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: width 350ms var(--ease), background 350ms var(--ease);
}

.carousel-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: var(--r-pill);
}

.carousel-dot:hover {
  background: rgba(255, 255, 255, 0.3);
}

.carousel-dot.is-active {
  width: 32px;
  background: var(--grad-led-line);
  background-size: 200% 100%;
  animation: ledSlide 2s linear infinite;
  box-shadow: 0 0 12px rgba(124, 255, 0, 0.5);
}

/* ============================================
   INDICE DE SCROLL (sous le stack)
   ============================================ */
.carousel-hint {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--c-text-soft);
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  pointer-events: none;
  z-index: 6;
}

.carousel-hint__arrow {
  width: 18px;
  height: 18px;
  color: var(--c-accent);
  filter: drop-shadow(0 0 6px rgba(124, 255, 0, 0.6));
  animation: hintBounce 1.6s ease-in-out infinite;
}

@keyframes hintBounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50%      { transform: translateY(-4px); opacity: 1; }
}

/* ============================================
   MISE EN FORME GLOBALE — LED sur la section
   ============================================ */
.projets {
  position: relative;
}

.projets::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 30%, rgba(0, 255, 127, 0.06), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(124, 255, 0, 0.04), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.projets .container {
  position: relative;
  z-index: 1;
}

/* Ancienne grille .projets__grid — neutralisée (carrousel prend le dessus) */
.projets__grid { display: none; }