/* ===================================================================
   Clément HAOND — Portfolio · project.css
   Styles des pages d'étude de cas projet : hero de page, couverture,
   corps d'article, galerie + lightbox, liste de sites, lecteur vidéo,
   navigation projet suivant.
   =================================================================== */

/* -------------------------------------------------------------- */
/* Project detail pages                                           */
/* -------------------------------------------------------------- */

.project-hero {
  padding-top: 9rem;
  padding-bottom: var(--space-6);
}
.project-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: var(--space-5);
  transition: color var(--duration-fast) var(--ease-out), gap var(--duration-fast) var(--ease-out);
}
.project-hero__back:hover { color: var(--color-ink); gap: 0.9rem; }

.project-hero__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.project-hero__index {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-muted);
}
.project-hero__category {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-muted);
}
.project-hero__title {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  max-width: 760px;
  margin-bottom: var(--space-3);
}
.project-hero__lede {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 620px;
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
}
.project-meta dt {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}
.project-meta dd {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
}

/* Body sections */
.project-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
.project-body__nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: sticky;
  top: 7rem;
  align-self: start;
}
.project-body__nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--duration-fast) var(--ease-out);
}
.project-body__nav a:hover { color: var(--color-ink); }

.project-section { max-width: 700px; margin-bottom: var(--space-6); }
.project-section:last-child { margin-bottom: 0; }
.project-section h2 { margin-bottom: var(--space-3); font-size: clamp(1.5rem, 2.6vw, 1.875rem); }
.project-section p { color: var(--color-muted); line-height: 1.75; margin-bottom: var(--space-2); }
.project-section ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: var(--space-1);
}
.project-section ul li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--color-muted);
  line-height: 1.6;
}
.project-section ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-ink);
}

@media (max-width: 860px) {
  .project-body { grid-template-columns: 1fr; }
  .project-body__nav {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-3);
  }
}

/* Gallery — cliquable pour agrandir */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.project-gallery--thirds { grid-template-columns: repeat(3, 1fr); }
.project-gallery__item {
  display: block;
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  background: none;
  padding: 0;
  transition: border-color var(--duration-fast) var(--ease-out);
}
.project-gallery__item:hover { border-color: var(--color-ink); }
.project-gallery__item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.project-gallery--thirds .project-gallery__item img { aspect-ratio: 3 / 4; }

/* Visuels "à plat" (logo, charte graphique...) — présentés sans recadrage sur fond neutre */
.project-gallery__item--flat {
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: var(--color-paper-deep);
}
.project-gallery__item--flat img {
  aspect-ratio: auto;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Visuel unique présenté en entier sur un panneau neutre (affiche, montage...) */
.project-gallery__item--poster,
.project-gallery__item--landscape {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: var(--color-paper-deep);
}
.project-gallery__item--poster img,
.project-gallery__item--landscape img {
  aspect-ratio: auto;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.project-gallery__item--poster {
  aspect-ratio: 3 / 4;
  max-width: 520px;
  margin-inline: auto;
}
.project-gallery__item--landscape {
  aspect-ratio: 16 / 9;
}

/* Mosaïque — alterne formats portrait et paysage (ex. série photo) */
.project-gallery--mosaic { grid-template-columns: repeat(4, 1fr); }
.project-gallery--mosaic .project-gallery__item img { aspect-ratio: 3 / 4; }
.project-gallery--mosaic .project-gallery__item--wide { grid-column: span 2; }
.project-gallery--mosaic .project-gallery__item--wide img { aspect-ratio: 3 / 2; }

@media (max-width: 600px) {
  .project-gallery, .project-gallery--thirds, .project-gallery--mosaic { grid-template-columns: repeat(2, 1fr); }
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(26, 26, 26, 0.92);
}
.lightbox.is-open { display: flex; }
.lightbox__image {
  display: block;
  max-width: 100%;
  max-height: 88vh;
  border-radius: var(--radius);
}
.lightbox__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(245, 241, 233, 0.4);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-paper);
  font-size: 1.125rem;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}
.lightbox__close:hover { background: var(--color-paper); color: var(--color-ink); }

/* External-site preview frame */
.project-frame {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-6);
}
.project-frame__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
  font-size: 0.8125rem;
  color: var(--color-muted);
}
.project-frame__dots {
  display: inline-flex;
  gap: 0.4rem;
}
.project-frame__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
}
.project-frame__visit {
  flex: 0 0 auto;
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--color-paper);
  background: var(--color-ink);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  transition: background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.project-frame__visit:hover { background: #322F2A; }
.project-frame__visit:active { transform: translateY(1px); }
.project-frame__body {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Cadre compact — pour une icône ou un visuel isolé (ex. fiche App Store) */
.project-frame--compact { max-width: 480px; margin-inline: auto; }

/* Aperçu plein cadre — capture d'écran d'un site en ligne */
.project-frame__body--cover { padding: 0; }
.project-frame__body--cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Video embed */
.project-video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-6);
  cursor: pointer;
}
.project-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-video__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 26, 0.18);
  transition: background-color var(--duration-fast) var(--ease-out);
}
.project-video__play span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border: 1px solid var(--color-paper);
  border-radius: 50%;
  color: var(--color-paper);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.125rem;
}
.project-video.is-playing .project-video__play { opacity: 0; pointer-events: none; }
.project-video:hover .project-video__play { background: rgba(26, 26, 26, 0.3); }

/* Project footer navigation */
.project-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-5);
  margin-bottom: var(--space-6);
  border-top: 1px solid var(--color-line);
}
.project-next__label {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-bottom: 0.3rem;
}
.project-next__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
}
.project-next__link span:first-child {
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-muted);
}
.project-next__link {
  position: relative;
  padding-bottom: 0.2rem;
}
.project-next__link::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-ink);
  transition: right var(--duration-base) var(--ease-out);
}
.project-next__link:hover::after { right: 0; }