/* ==========================================================================
   Carte 3D expérimentale — « La maquette vivante »
   Scène nocturne plein écran + HUD en verre fumé.
   ========================================================================== */

.c3d-body {
  background: #07130d;
}

.c3d {
  --c3d-glass: rgba(7, 19, 13, 0.6);
  --c3d-line: rgba(213, 224, 216, 0.16);
  --c3d-text: #e8efe9;
  --c3d-muted: #a8b89a;
  --c3d-firefly: #ffd98a;
  position: relative;
}

.c3d__stage {
  position: relative;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  /* Heure bleue : le fog WebGL se fond dans ce dégradé */
  background: linear-gradient(180deg, #163426 0%, #0d241a 45%, #07130d 100%);
}

.c3d__stage canvas {
  position: absolute;
  inset: 0;
  display: block;
  touch-action: pan-y;
}

.c3d__stage.is-grab canvas {
  cursor: grab;
}

.c3d__stage.is-pointer canvas {
  cursor: pointer;
}

/* ---------- Titre en surimpression ---------- */

.c3d__title {
  position: absolute;
  z-index: 3;
  top: calc(var(--nav-h) + 1.5rem);
  left: clamp(1.25rem, 4vw, 3.5rem);
  max-width: 30rem;
  pointer-events: none;
  animation: c3d-rise 1.1s var(--ease) 0.25s both;
}

.c3d__eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c3d-firefly);
  margin-bottom: 0.8rem;
}

.c3d__title h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.05;
  color: var(--c3d-text);
  margin: 0 0 0.75rem;
}

.c3d__lead {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--c3d-muted);
  max-width: 26rem;
}

@keyframes c3d-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- HUD (filtres, actions) ---------- */

.c3d__hud {
  position: absolute;
  z-index: 4;
  left: clamp(1.25rem, 4vw, 3.5rem);
  bottom: clamp(1.25rem, 4vh, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.1rem 1.25rem;
  max-width: min(24rem, calc(100vw - 2.5rem));
  background: var(--c3d-glass);
  border: 1px solid var(--c3d-line);
  border-radius: 4px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: c3d-rise 1.1s var(--ease) 0.5s both;
}

.c3d__hud-label {
  font-family: var(--font-body);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c3d-muted);
  margin: 0 0 0.45rem;
}

.c3d__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.c3d__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--c3d-text);
  background: transparent;
  border: 1px solid var(--c3d-line);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}

.c3d__chip:hover {
  border-color: var(--c3d-firefly);
}

.c3d__chip[aria-pressed="true"] {
  background: var(--c3d-text);
  border-color: var(--c3d-text);
  color: #0c1f14;
}

.c3d__chip .chip__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
  color: inherit;
}

.c3d__chip .chip__dot[data-tint] {
  color: var(--tint);
}

.c3d__hud-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.c3d__replay {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: #0c1f14;
  background: var(--c3d-firefly);
  border: 1px solid var(--c3d-firefly);
  border-radius: 100px;
  cursor: pointer;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.c3d__replay:hover {
  transform: translateY(-1px);
}

.c3d__replay:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
}

.c3d__ghostbtn {
  padding: 0.55rem 1rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--c3d-text);
  background: transparent;
  border: 1px solid var(--c3d-line);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color 0.25s var(--ease);
}

.c3d__ghostbtn:hover {
  border-color: var(--c3d-text);
}

.c3d__counter {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--c3d-muted);
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.c3d__counter strong {
  color: var(--c3d-text);
  font-weight: 500;
}

.c3d__goto select {
  width: 100%;
  padding: 0.5rem 0.7rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--c3d-text);
  background: rgba(213, 224, 216, 0.06);
  border: 1px solid var(--c3d-line);
  border-radius: 4px;
}

.c3d__goto select:focus-visible {
  outline: 2px solid var(--c3d-firefly);
  outline-offset: 2px;
}

/* ---------- Panneau chantier ---------- */

.c3d__panel {
  position: absolute;
  z-index: 5;
  top: calc(var(--nav-h) + 1.25rem);
  right: clamp(1rem, 3vw, 2.5rem);
  width: min(22.5rem, calc(100vw - 2rem));
  max-height: calc(100svh - var(--nav-h) - 2.5rem);
  overflow-y: auto;
  background: var(--c3d-glass);
  border: 1px solid var(--c3d-line);
  border-radius: 4px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--c3d-text);
  transform: translateX(0);
  animation: c3d-panel-in 0.5s var(--ease) both;
}

@keyframes c3d-panel-in {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.c3d__panel-close {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  z-index: 2;
  width: 2rem;
  height: 2rem;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--c3d-text);
  background: rgba(7, 19, 13, 0.65);
  border: 1px solid var(--c3d-line);
  border-radius: 50%;
  cursor: pointer;
}

.c3d__panel-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0c1f14;
}

.c3d__panel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.c3d__panel-body {
  padding: 1.1rem 1.25rem 1.35rem;
}

.c3d__panel-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c3d-muted);
  margin: 0 0 0.6rem;
}

.c3d__panel-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  line-height: 1.15;
  margin: 0 0 0.35rem;
  color: var(--c3d-text);
}

.c3d__panel-place {
  font-size: 0.82rem;
  color: var(--c3d-muted);
  margin: 0 0 0.8rem;
}

.c3d__panel-text {
  font-size: 0.86rem;
  line-height: 1.6;
  color: color-mix(in srgb, var(--c3d-text) 82%, transparent);
}

.c3d__panel-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 1rem 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--c3d-line);
}

.c3d__panel-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--c3d-text);
  font-variant-numeric: tabular-nums;
}

.c3d__panel-stats span {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c3d-muted);
}

.c3d__panel .badge {
  font-size: 0.62rem;
}

/* ---------- Tooltip survol ---------- */

.c3d__tooltip {
  position: absolute;
  z-index: 6;
  pointer-events: none;
  padding: 0.45rem 0.7rem;
  background: rgba(7, 19, 13, 0.88);
  border: 1px solid var(--c3d-line);
  border-radius: 3px;
  color: var(--c3d-text);
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.35;
  max-width: 16rem;
  transform: translate(-50%, calc(-100% - 14px));
  white-space: nowrap;
}

.c3d__tooltip small {
  display: block;
  color: var(--c3d-muted);
  font-size: 0.7rem;
}

/* ---------- Grande année pendant le replay ---------- */

.c3d__season {
  position: absolute;
  z-index: 3;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(4rem, 12vw, 9rem);
  color: rgba(232, 239, 233, 0.16);
  pointer-events: none;
  margin: 0;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.c3d__season.is-on {
  opacity: 1;
}

/* ---------- Étiquettes départements ---------- */

.c3d__deplabel {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  font-family: var(--font-body);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(168, 184, 154, 0.6);
  transform: translate(-50%, -50%);
  white-space: nowrap;
}

/* Départements voisins : plus discrets, teinte Loire */
.c3d__deplabel--lim {
  font-size: 0.6rem;
  color: rgba(122, 154, 173, 0.85);
  transition: opacity 0.6s var(--ease);
}

/* Le fleuve : italique de caractère, teinte eau */
.c3d__deplabel--loire {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: none;
  color: rgba(159, 208, 232, 0.75);
  text-shadow: 0 1px 8px rgba(8, 23, 17, 0.8);
}

/* ---------- Aide + fallback ---------- */

.c3d__hint {
  position: absolute;
  z-index: 2;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(168, 184, 154, 0.7);
  pointer-events: none;
  margin: 0;
  text-align: center;
  animation: c3d-rise 1.1s var(--ease) 1.1s both;
}

.c3d__fallback[hidden] {
  display: none;
}

.c3d__fallback {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: grid;
  place-content: center;
  gap: 1.25rem;
  text-align: center;
  padding: 2rem;
  background: #0a1a12;
  color: var(--c3d-text);
}

.c3d__fallback p {
  max-width: 26rem;
  line-height: 1.6;
}

/* ---------- Section note sous la scène ---------- */

.c3d-note {
  background: var(--canopee);
  color: var(--brume);
}

.c3d-note .section__title {
  color: var(--blanc);
}

.c3d-note__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  margin-top: 1.5rem;
}

.c3d-note .benefit {
  background: color-mix(in srgb, var(--blanc) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--brume) 14%, transparent);
}

.c3d-note .benefit h3 {
  color: var(--blanc);
}

.c3d-note .benefit p {
  color: var(--lichen);
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .c3d__stage {
    min-height: 640px;
  }

  .c3d__title {
    top: calc(var(--nav-h) + 0.75rem);
    right: 1.25rem;
    max-width: none;
  }

  .c3d__lead {
    display: none;
  }

  .c3d__hud {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    max-width: none;
    padding: 0.85rem 0.9rem;
    gap: 0.65rem;
  }

  .c3d__goto {
    display: none;
  }

  .c3d__hint {
    display: none;
  }

  .c3d__panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 62svh;
    border-radius: 8px 8px 0 0;
    animation-name: c3d-panel-up;
  }

  @keyframes c3d-panel-up {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* ---------- Mouvement réduit ---------- */

@media (prefers-reduced-motion: reduce) {
  .c3d__title,
  .c3d__hud,
  .c3d__hint,
  .c3d__panel {
    animation: none;
  }
}