.project-hero {
  position: relative;
  width: 100%;
  margin-top: var(--header-height);
  height: calc(100dvh - var(--header-height));
  min-height: 420px;
  overflow: hidden;
  background: #111;
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  animation: project-hero-kenburns 12s ease-out forwards;
}

@keyframes project-hero-kenburns {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

.project-hero-scrim {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  height: min(320px, 60%);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.project-heading {
  position: absolute;
  left: var(--page-padding);
  right: var(--page-padding);
  bottom: clamp(24px, 4vw, 48px);
  z-index: 2;
  --text-color: #fff;
}

.project-location {
  margin-top: clamp(8px, 1.6vw, 16px);
}

.project-body {
  width: min(100%, var(--max-content-width));
  margin-inline: auto;
  padding: clamp(34px, 5vw, 72px) var(--page-padding) 0;
}

.project-overview-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

@media (min-width: 900px) {
  .project-overview-details {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
    align-items: start;
  }
}

.project-summary {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 26px);
}

.project-locator {
  width: 170px;
}

.project-locator svg {
  width: 100%;
  height: auto;
  display: block;
}

.project-locator-shape {
  fill: var(--accent);
  stroke: none;
}

/* Fond ocre uni : point fonce + liseré blanc pour un contraste non-texte
   suffisant (RGAA 1.4.11), comme sur la carte de la page Agence. */
.project-locator-dot {
  fill: #111;
  stroke: #fff;
  stroke-width: 2;
}

.project-gallery-section {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding: clamp(30px, 4vw, 56px) 0;
}

.project-gallery {
  position: relative;
  --project-gallery-visible: 2.4;
  --project-gallery-gap: clamp(6px, 1vw, 16px);
  --project-gallery-max-slide: 9999px;
}

.project-gallery-viewport {
  position: relative;
  height: clamp(250px, 32vw, 420px);
  overflow: hidden;
  touch-action: pan-y;
  user-select: none;
}

.project-gallery-track {
  display: flex;
  gap: var(--project-gallery-gap);
  height: 100%;
  transition: transform 0.45s ease;
  will-change: transform;
}

.project-gallery-slide {
  flex: 0 0
    min(
      calc((100% - (var(--project-gallery-gap) * (var(--project-gallery-visible) - 1))) / var(--project-gallery-visible)),
      var(--project-gallery-max-slide)
    );
  height: 100%;
  margin: 0;
  overflow: hidden;
}

.project-gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  object-position: center;
}

.project-gallery-arrow {
  position: absolute;
  top: 50%;
  z-index: 4;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 0.2s ease, transform 0.2s ease;
}

.project-gallery-arrow--prev {
  left: clamp(4px, 1.6vw, 18px);
}

.project-gallery-arrow--next {
  right: clamp(4px, 1.6vw, 18px);
}

.project-gallery-arrow:hover,
.project-gallery-arrow:focus-visible {
  background: rgba(0, 0, 0, 0.55);
  transform: translateY(-50%) scale(1.04);
  outline: none;
}

.project-intro-text {
  max-width: 42ch;
}

/* Lien vers un projet apparente (ex. l'etude urbaine et le projet
   architectural qui en decoule). Masque par defaut ([hidden]) ; revele par
   scripts/project-related.js seulement quand une relation existe pour la
   page courante. */
.project-related {
  width: min(100%, var(--max-content-width));
  margin-inline: auto;
  padding: clamp(28px, 4vw, 56px) var(--page-padding) 0;
}

/* Meme trame a points que .motif-bg (base.css) : reprise en proprietes
   longhand plutot qu'en ajoutant la classe, pour eviter qu'un "background"
   raccourci ici n'efface l'image de fond posee par une regle anterieure. */
.project-related-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  background-image: radial-gradient(circle, rgba(192, 138, 46, 0.28) 1.4px, transparent 1.4px);
  background-size: 25px 25px;
  transition: background-image 0.2s ease;
}

.project-related-card:hover,
.project-related-card:focus-visible {
  background-image: radial-gradient(circle, rgba(192, 138, 46, 0.5) 1.4px, transparent 1.4px);
}

/* Le seul changement de motif (ci-dessus) est trop discret pour servir
   d'indicateur de focus visible (RGAA 10.7) : contrairement aux autres
   elements "outline:none" du site, cette carte n'a pas de bascule de
   couleur/fond franche au clavier, donc on garde un contour explicite. */
.project-related-card:focus-visible {
  outline: 2px solid var(--accent-ink);
  outline-offset: 2px;
}

.project-related-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-related-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.project-related-card:hover .project-related-image {
  transform: scale(1.05);
}

.project-related-copy {
  padding: clamp(18px, 2.6vw, 30px);
}

.project-related-eyebrow {
  color: var(--accent-ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}

.project-related-title {
  margin-top: 6px;
}

.project-related-location {
  margin-top: 4px;
  opacity: 0.7;
}

@media (min-width: 700px) {
  .project-related-card {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
  }

  .project-related-media {
    aspect-ratio: 4 / 3;
    height: 100%;
  }
}

.project-more-projects {
  width: 100%;
  padding-top: clamp(36px, 5vw, 68px);
}

.project-more-projects-title {
  width: min(100%, var(--max-content-width));
  margin-inline: auto;
  padding-inline: var(--page-padding);
  margin-bottom: clamp(18px, 2.2vw, 32px);
}

.project-more-projects .presentation-container {
  width: 100%;
}

/* Dans les pages projet, les images des focus-grid ouvrent la visionneuse
   plein ecran (voir scripts/lightbox.js) : le zoom au survol par defaut
   (responsive.css) sert d'indice visuel d'interactivite. */

@media (min-width: 760px) {
  .project-gallery {
    --project-gallery-visible: 3;
  }
}

@media (max-width: 759px) {
  .project-gallery {
    --project-gallery-visible: 1.65;
  }

  .project-gallery-viewport {
    height: clamp(280px, 72vw, 430px);
  }
}

@media (min-width: 900px) {
  .project-gallery-arrow {
    width: 54px;
    height: 54px;
  }
}

@media (min-width: 1700px) {
  .project-gallery {
    --project-gallery-max-slide: 430px;
  }
}