/* Réalisations — même palette minérale et mêmes marges que les prestations. */
.projects-page {
  --projects-header-height: var(--site-header-height);
  --projects-nav-height: 73px;
  --projects-rule: rgba(184, 173, 161, 0.5);
  --projects-beige: var(--bg-warm);
  --projects-section-fade-top: clamp(5rem, 10vw, 9rem);
  --projects-section-fade-bottom: clamp(4rem, 7vw, 6rem);
  background: var(--bg-white);
}

.projects-container {
  width: min(calc(100% - 2 * var(--page-inline-space)), 1680px);
  margin-inline: auto;
}

.projects-page h1,
.projects-page h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--dark);
  text-wrap: balance;
}

/* Même barre que Prestations, avec des boutons de filtre. */
.projects-filter-nav {
  position: sticky;
  top: var(--projects-header-height);
  z-index: 60;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.projects-filter-list {
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 5rem);
  list-style: none;
  border-bottom: 1px solid var(--projects-rule);
}

.projects-filter-list li {
  min-width: 0;
}

.projects-filter {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  min-height: 72px;
  height: 100%;
  padding: 0.85rem 0;
  border: 0;
  background: transparent;
  color: var(--gray);
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1.6vw, 1.5rem);
  line-height: 1.3;
  cursor: pointer;
  transition: color 220ms ease;
}

.projects-filter::after {
  content: '';
  position: absolute;
  inset: auto 0 -1px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 220ms ease;
}

.projects-filter:hover,
.projects-filter[aria-pressed='true'] {
  color: var(--accent);
}

.projects-filter:hover::after,
.projects-filter[aria-pressed='true']::after {
  transform: scaleX(1);
}

.projects-filter-icon {
  display: block;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  color: var(--accent);
}

.projects-filter-icon--terrace {
  width: 40px;
}

.projects-filter:focus-visible,
.project-gallery-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
  border-radius: 2px;
}

.projects-page [hidden],
.lightbox-overlay[hidden],
.lightbox-overlay [hidden] {
  display: none;
}

/* Une structure ouverte et répétable pour chaque chantier. */
.projects-collection {
  background: var(--bg-white);
}

.projects-list {
  display: grid;
}

.project-story {
  position: relative;
  isolation: isolate;
  padding-block: 0 clamp(3rem, 5vw, 5rem);
  background: var(--bg-white);
}

/* L’entrée se fait directement sur le premier chantier, sous le menu. */
.project-story--first {
  padding-top: clamp(2.5rem, 4vw, 4rem);
}

.project-story-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 2fr);
  align-items: center;
  column-gap: clamp(2rem, 4.5vw, 5rem);
}

.project-story:not(.project-story--first) {
  padding-top: clamp(4rem, 7vw, 7rem);
}

/* Un bloc sur deux reprend le fondu blanc/beige/blanc de la page À propos. */
.project-story--alternate {
  padding-bottom: clamp(4rem, 7vw, 7rem);
  background: linear-gradient(180deg,
    var(--bg-white),
    var(--projects-beige) var(--projects-section-fade-top),
    var(--projects-beige) calc(100% - var(--projects-section-fade-bottom)),
    var(--bg-white));
}

/* La fin de page garde la même marge, quel que soit le nombre de projets. */
.projects-list > .project-story--last {
  padding-bottom: var(--page-end-space);
}

.project-story--alternate .project-story-inner {
  grid-template-columns: minmax(0, 2fr) minmax(0, 0.85fr);
}

.project-story--alternate .project-copy {
  grid-column: 2;
  grid-row: 1;
}

.project-story--alternate .project-gallery {
  grid-column: 1;
  grid-row: 1;
}

.project-copy {
  min-width: 0;
  padding-block: 1rem 3rem;
}

.project-copy h2 {
  max-width: none;
  margin-bottom: 1.3rem;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-align: left;
  text-wrap: wrap;
}

.project-description {
  max-width: 38ch;
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.75;
  text-wrap: pretty;
}

.project-materials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--projects-rule);
  list-style: none;
  color: var(--accent);
  font-size: 0.8125rem;
}

.project-materials li + li::before {
  content: '·';
  margin-right: 1rem;
  color: var(--gray);
}

.project-gallery-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  margin-top: 1.1rem;
  padding: 0.35rem 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}

.project-gallery-link span {
  text-decoration: underline;
  text-decoration-color: var(--projects-rule);
  text-underline-offset: 0.35em;
}

.project-gallery-link:hover span {
  text-decoration-color: currentColor;
}

/* Deux photos de même taille, côte à côte et alignées. */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(1rem, 2vw, 2rem);
  min-width: 0;
}

.project-view {
  position: relative;
  min-width: 0;
}

.project-photo {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border-radius: 2px;
  background: transparent;
  cursor: zoom-in;
}

.project-gallery--landscape .project-photo {
  aspect-ratio: 4 / 3;
}

.project-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.project-photo--cover img {
  object-fit: cover;
}

.project-gallery--mixed {
  grid-template-columns: 16fr 9fr;
}

.project-gallery--mixed .project-photo {
  aspect-ratio: auto;
}

.project-gallery--mixed .project-photo img {
  height: auto;
  display: block;
}

/* Emplacements provisoires : aucun lien ni commande d’agrandissement. */
.project-photo--placeholder {
  display: grid;
  place-items: center;
  cursor: default;
}

.project-photo--placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #dedddb, #cececc 58%, #e2e0dc);
}

.project-placeholder-label {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 0.875rem;
  padding: 1rem;
  color: #62676b;
  font-size: 0.8125rem;
  text-align: center;
}

.project-photo-icon {
  position: absolute;
  inset: auto 0.875rem 0.875rem auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: background 200ms ease;
  pointer-events: none;
}

.project-photo:hover .project-photo-icon,
.project-photo:focus-visible .project-photo-icon {
  background: var(--bg-white);
}

.project-photo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

.project-view figcaption {
  /* Les légendes restent accessibles et apparaissent dans la visionneuse. */
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* La galerie garde les couleurs originales et laisse le choix du rythme. */
.lightbox-figure {
  margin: 0;
  flex-direction: column;
  gap: 1rem;
  max-width: min(calc(100vw - 2 * max(4.5rem, var(--safe-area-left), var(--safe-area-right))), 1000px);
  max-height: calc(100dvh - 8rem);
}

.lightbox-img {
  max-height: calc(100dvh - 12rem);
  min-height: 0;
  flex-shrink: 1;
}

/* Jeu de frises, position 2 : cadrage validé x=0, y=400, 2100×2800 dans l’original 3024×4032.
   Le cadrage proportionnel est identique pour l’aperçu WebP et l’original de la galerie. */
.lightbox-crop {
  position: relative;
  overflow: hidden;
  width: min(calc(100vw - 2 * max(4.5rem, var(--safe-area-left), var(--safe-area-right))), 1000px, calc((100dvh - 12rem) * 0.75));
  aspect-ratio: 3 / 4;
  flex-shrink: 0;
  border-radius: 4px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
}

.project-photo[data-photo-crop="6_jeu-de-frises_Position-2"] img,
.lightbox-crop[data-photo-crop="6_jeu-de-frises_Position-2"] .lightbox-img {
  position: absolute;
  left: 0;
  top: -14.2857142857%;
  width: 144%;
  height: 144%;
  max-width: none;
  max-height: none;
  object-fit: fill;
  border-radius: 0;
  box-shadow: none;
}

.lightbox-caption,
.lightbox-error {
  max-width: 60ch;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.875rem;
  line-height: 1.5;
  text-align: center;
}

.lightbox-counter {
  color: rgba(255, 255, 255, 0.8);
}

.lightbox-nav:disabled {
  opacity: 0.3;
  cursor: default;
}

.lightbox-close:focus-visible,
.lightbox-nav:focus-visible {
  outline: 2px solid white;
  outline-offset: 4px;
}

@media (max-width: 1024px) {
  .project-story-inner,
  .project-story--alternate .project-story-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project-story--alternate .project-copy,
  .project-story--alternate .project-gallery {
    grid-column: auto;
    grid-row: auto;
  }

  .project-copy {
    max-width: 42rem;
    padding: 0;
  }

  .project-description {
    max-width: none;
  }

  .project-materials {
    width: fit-content;
  }
}

@media (max-width: 600px) {
  .project-gallery {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .projects-filter-list {
    display: grid;
    grid-template-columns: 0.85fr 0.85fr 1.3fr;
    gap: 0.5rem;
  }

  .projects-filter {
    flex-direction: column;
    gap: 0.4rem;
    width: 100%;
    min-height: 92px;
    font-size: 1rem;
    padding-block: 0.75rem;
  }

  .projects-filter-icon {
    width: 24px;
    height: 24px;
  }

  .projects-filter-icon--terrace {
    width: 32px;
  }

  .lightbox-figure {
    max-width: calc(100vw - 2 * max(1.25rem, var(--safe-area-left), var(--safe-area-right)));
  }

  .lightbox-img {
    max-height: calc(100dvh - 13rem);
  }

  .lightbox-crop {
    width: min(calc(100vw - 2 * max(1.25rem, var(--safe-area-left), var(--safe-area-right))), calc((100dvh - 13rem) * 0.75));
  }

  .lightbox-nav {
    top: auto;
    bottom: max(1rem, var(--safe-area-bottom));
    width: 44px;
    height: 44px;
    transform: none;
  }

  .lightbox-counter {
    bottom: max(1.75rem, var(--safe-area-bottom));
  }

  .project-photo-icon {
    width: 44px;
    height: 44px;
  }
}

/* Les trois options s’ouvrent depuis le centre sans découper leurs textes. */
@keyframes projectsMenuOpening {
  from {
    opacity: 0;
    transform: translateX(var(--projects-menu-start-offset, 0px));
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes projectsMenuRuleOpening {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (prefers-reduced-motion: no-preference) {
  .projects-filter-nav:not([hidden]) > .projects-filter-list {
    position: relative;
    border-bottom-color: transparent;
  }

  .projects-filter-nav:not([hidden]) > .projects-filter-list::after {
    content: '';
    position: absolute;
    z-index: 0;
    inset: auto 0 -1px;
    height: 1px;
    background: var(--projects-rule);
    pointer-events: none;
    transform-origin: center;
    animation: projectsMenuRuleOpening 1400ms cubic-bezier(0.65, 0, 0.35, 1);
  }

  .projects-filter-nav:not([hidden]) > .projects-filter-list > li {
    z-index: 1;
    animation: projectsMenuOpening 1400ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  .projects-filter-list > li:first-child {
    --projects-menu-start-offset: clamp(12px, 2vw, 28px);
  }

  .projects-filter-list > li:last-child {
    --projects-menu-start-offset: clamp(-28px, -2vw, -12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-photo-icon,
  .projects-filter,
  .projects-filter::after,
  .lightbox-overlay,
  .lightbox-img,
  .lightbox-nav,
  .lightbox-close {
    transition: none;
  }
}