.project-hero { padding-block: 85px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 70px; }
.project-hero-copy h1 { margin-bottom: 26px; }
.project-hero-copy > p:not(.eyebrow) { max-width: 700px; font-size: 17px; }
.project-hero-media { min-height: 620px; overflow: hidden; background: var(--soft); box-shadow: var(--shadow); }
.project-hero-media img { width: 100%; height: 620px; object-fit: cover; }
.project-facts { display: grid; grid-template-columns: repeat(4,1fr); background: var(--ink); color: var(--bg); }
.project-facts div { padding: 28px 6%; border-right: 1px solid rgba(255,255,255,.12); }
.project-facts span { display: block; margin-bottom: 7px; color: var(--sand); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.project-facts strong { font-size: 14px; }
.project-intro { padding-block: 100px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.project-intro > div:last-child { max-width: 760px; }
.project-showcase { padding-bottom: 100px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.project-visual { background: var(--white); border: 1px solid var(--line); overflow: hidden; }
.project-visual img { width: 100%; height: 380px; object-fit: cover; cursor: zoom-in; }
.project-visual-large img { height: 520px; }
.project-visual div { padding: 26px; }
.project-visual span { color: var(--accent); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.project-visual h3 { margin: 8px 0 10px; font-size: 27px; }
.project-visual p { margin-bottom: 0; }
.cfa-showcase .project-visual-large { grid-row: span 2; }
.project-documents { padding: 95px 0; background: var(--soft); }
.document-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.document-grid-wide { grid-template-columns: repeat(3,1fr); }
.document-grid figure { margin: 0; overflow: hidden; background: var(--bg); border: 1px solid var(--line); }
.document-grid img { width: 100%; height: 300px; object-fit: cover; cursor: zoom-in; }
.document-grid figcaption { padding: 14px 16px; color: var(--slate); font-size: 13px; border-top: 1px solid var(--line); }
.project-viewer, .project-360 { padding-block: 95px; }
.viewer-intro { max-width: 760px; margin-bottom: 30px; }
.project-viewer model-viewer, #cfa360Viewer { width: 100%; height: 650px; background: var(--soft); border: 1px solid var(--line); box-shadow: var(--shadow); }
.project-360 { background: var(--bg); }
.viewer-nav { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }
.viewer-nav button { padding: 10px 14px; background: transparent; border: 1px solid var(--line); color: var(--slate); font-weight: 600; }
.viewer-nav button:hover, .viewer-nav button.active { background: var(--slate); color: var(--bg); border-color: var(--slate); }
.team-section { padding: 95px 0; background: var(--soft); }
.team-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.team-grid article { padding: 28px; background: var(--bg); border: 1px solid var(--line); }
.team-grid article > span { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.team-grid h3 { margin: 15px 0 12px; font-size: 23px; }
.team-grid p { font-size: 14px; }
.project-skills { padding: 95px 0; background: var(--soft); }
.skills-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.skill-tags { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 12px; }
.skill-tags span { padding: 11px 14px; background: var(--bg); border: 1px solid var(--line); color: var(--slate); font-size: 13px; }
.project-bottom-nav { padding-block: 45px 90px; display: flex; justify-content: space-between; gap: 16px; }
.image-lightbox { position: fixed; inset: 0; z-index: 3000; padding: 40px; display: none; align-items: center; justify-content: center; background: rgba(20,22,27,.92); }
.image-lightbox.active { display: flex; }
.lightbox-content { max-width: 94vw; max-height: 90vh; text-align: center; }
.lightbox-content img { max-width: 100%; max-height: 82vh; object-fit: contain; background: var(--bg); }
.lightbox-content p { margin: 12px 0 0; color: var(--bg); }
.lightbox-close { position: absolute; top: 20px; right: 24px; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.4); background: transparent; color: var(--white); font-size: 32px; }
.no-scroll { overflow: hidden; }
@media(max-width:1050px){.project-hero,.project-intro,.project-showcase,.team-layout,.skills-layout{grid-template-columns:1fr}.project-facts{grid-template-columns:repeat(2,1fr)}.team-grid{grid-template-columns:1fr}.cfa-showcase .project-visual-large{grid-row:auto}.document-grid,.document-grid-wide{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.project-hero-media,.project-hero-media img{min-height:0;height:380px}.project-facts{grid-template-columns:1fr}.project-intro{padding-block:70px}.project-showcase{padding-bottom:70px}.project-visual img,.project-visual-large img{height:300px}.document-grid,.document-grid-wide{grid-template-columns:1fr}.project-viewer model-viewer,#cfa360Viewer{height:420px}.project-bottom-nav{align-items:stretch;flex-direction:column}.project-bottom-nav .button{width:100%}.image-lightbox{padding:20px}}

/* =========================================================
   MAQUETTE 3D DU CFA
   ========================================================= */

.project-model-section {
  padding-block: 100px;
}


/* En-tête de la section */

.project-model-heading {
  margin-bottom: 38px;

  display: grid;
  grid-template-columns:
    minmax(0, 0.85fr)
    minmax(300px, 0.65fr);

  align-items: end;
  gap: 60px;
}

.project-model-heading h2 {
  margin-bottom: 0;
}

.project-model-heading > p {
  max-width: 580px;
  margin-bottom: 0;

  font-size: 15px;
  line-height: 1.85;
}


/* Cadre général */

.project-model-frame {
  overflow: hidden;

  background-color: var(--soft);

  border: 1px solid var(--line);

  box-shadow:
    0 20px 50px
    rgba(37, 39, 45, 0.1);
}


/* Visionneuse */

.project-model-frame model-viewer {
  width: 100%;
  height: min(72vh, 760px);
  min-height: 580px;

  display: block;

  background:
    radial-gradient(
      circle at center,
      rgba(255, 255, 255, 0.96) 0%,
      rgba(232, 230, 224, 0.94) 62%,
      rgba(201, 185, 157, 0.45) 100%
    );

  --poster-color: transparent;
  --progress-bar-color: var(--accent);
  --progress-bar-height: 4px;
}


/* Barre de chargement */

.model-loading {
  position: absolute;
  left: 0;
  bottom: 0;

  width: 100%;
  height: 4px;

  overflow: hidden;

  background-color:
    rgba(90, 94, 107, 0.16);
}

.model-loading-bar {
  width: 100%;
  height: 100%;

  background-color: var(--accent);

  transform-origin: left center;

  animation:
    model-loading-animation
    1.5s
    infinite
    ease-in-out;
}

@keyframes model-loading-animation {

  0% {
    transform:
      translateX(-100%)
      scaleX(0.45);
  }

  50% {
    transform:
      translateX(20%)
      scaleX(0.7);
  }

  100% {
    transform:
      translateX(100%)
      scaleX(0.45);
  }

}


/* Bouton du poster */

.model-help {
  padding: 14px 20px;

  background-color:
    rgba(90, 94, 107, 0.92);

  border:
    1px solid
    rgba(245, 243, 238, 0.3);

  color: var(--white);

  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;

  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.model-help:hover {
  background-color: var(--accent);
  color: var(--white);
}


/* Indications sous la maquette */

.project-model-controls {
  min-height: 58px;
  padding: 14px 22px;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 28px;

  background-color: var(--slate);

  color: var(--white);
}

.project-model-controls span {
  position: relative;

  padding-left: 15px;

  color:
    rgba(255, 255, 255, 0.82);

  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-model-controls span::before {
  content: "";

  position: absolute;
  top: 50%;
  left: 0;

  width: 5px;
  height: 5px;

  border-radius: 50%;

  background-color: var(--accent);

  transform: translateY(-50%);
}


/* Note sous le cadre */

.project-model-note {
  margin: 15px 0 0;

  color: var(--slate);

  font-size: 12px;
  text-align: right;
}


/* =========================================================
   TABLETTE
   ========================================================= */

@media (max-width: 900px) {

  .project-model-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 22px;
  }

  .project-model-frame model-viewer {
    height: 620px;
    min-height: 520px;
  }

}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 640px) {

  .project-model-section {
    padding-block: 72px;
  }

  .project-model-frame model-viewer {
    height: 480px;
    min-height: 480px;
  }

  .project-model-controls {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;

    padding: 15px 18px;
  }

  .project-model-note {
    text-align: left;
  }

}