/* ==========================================================================
   PROJETS - galerie, formes rondes, apparitions latérales
   (les tokens et les éléments partagés vivent dans ../assets/theme.css)
   ========================================================================== */

/* EN-TÊTE */

.projects-hero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(4rem, 10vw, 7rem)) var(--gutter) clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}

.projects-hero::before {
  content: '';
  position: absolute;
  top: -35%;
  right: -8%;
  width: 58vw;
  height: 58vw;
  max-width: 800px;
  max-height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109, 91, 208, .2) 0%, transparent 62%);
  pointer-events: none;
  animation: breathe 15s var(--ease-soft) infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.1); opacity: .75; }
}

.projects-hero-watermark {
  position: absolute;
  top: 46%;
  right: 4%;
  width: clamp(220px, 26vw, 400px);
  transform: translateY(-50%);
  opacity: .06;
  pointer-events: none;
}

.projects-hero .eyebrow { animation: slideFromLeft 1s var(--ease-soft) both; }

.projects-hero-title {
  position: relative;
  font-size: clamp(2.8rem, 8.5vw, 6.6rem);
  margin-top: 1.4rem;
  animation: slideFromLeft 1.15s .12s var(--ease-soft) both;
}

@keyframes slideFromLeft {
  from { opacity: 0; transform: translateX(-42px); }
  to   { opacity: 1; transform: none; }
}

/* FILTRES */

.filters-bar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  z-index: 700;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  padding: .55rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  background: rgba(14, 14, 18, .72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.filters-wrap { padding: 0 var(--gutter); position: relative; z-index: 700; }

.filter-btn {
  padding: .6rem 1.2rem;
  border-radius: var(--r-pill);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
  border: 1px solid transparent;
  transition: color .5s var(--ease-soft), background .5s var(--ease-soft), border-color .5s var(--ease-soft);
}

.filter-btn:hover { color: var(--text); background: rgba(255, 255, 255, .04); }

.filter-btn.active {
  color: var(--text);
  background: var(--violet-soft);
  border-color: var(--violet-line);
}

.filter-count {
  margin-left: auto;
  padding-right: 1.1rem;
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

/* GRILLE */

.projects-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--gutter) clamp(4rem, 9vw, 7rem);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: clamp(1.4rem, 3vw, 2.2rem);
}

/* FICHE PROJET */

.proj-card {
  display: flex;
  flex-direction: column;
  padding: .7rem .7rem 1.4rem;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, .018);
  opacity: 0;
  transition: transform .7s var(--ease-soft), border-color .7s var(--ease-soft),
              box-shadow .7s var(--ease-soft), background .7s var(--ease-soft);
}

.proj-card.is-visible { animation: cardInLeft 1s var(--ease-soft) forwards; }
.proj-card.is-visible:nth-child(even) { animation-name: cardInRight; }

@keyframes cardInLeft {
  from { opacity: 0; transform: translateX(-48px); }
  to   { opacity: 1; transform: none; }
}

@keyframes cardInRight {
  from { opacity: 0; transform: translateX(48px); }
  to   { opacity: 1; transform: none; }
}

.proj-card:hover {
  transform: translateY(-6px);
  border-color: var(--violet-line);
  background: rgba(157, 141, 240, .04);
  box-shadow: 0 34px 70px rgba(0, 0, 0, .42);
}

/* visuel */
.proj-gallery {
  position: relative;
  /* même format que les captures de sites (~2.1:1) pour les montrer en entier */
  aspect-ratio: 21 / 10;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--surface), var(--bg));
  /* apparition en volet, dans le sens d'arrivée de la fiche */
  clip-path: inset(0 100% 0 0 round var(--r-lg));
  transition: clip-path 1.3s .3s var(--ease-soft), box-shadow .8s var(--ease-soft);
}

.proj-card:nth-child(even) .proj-gallery { clip-path: inset(0 0 0 100% round var(--r-lg)); }

.proj-card.is-visible .proj-gallery { clip-path: inset(0 0 0 0 round var(--r-lg)); }

.proj-card:hover .proj-gallery { box-shadow: 0 20px 50px var(--violet-glow); }

/* reflet qui balaie la capture au survol */
.proj-gallery::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .13) 50%, transparent 65%);
  transform: translateX(-120%);
  pointer-events: none;
}

.proj-card:hover .proj-gallery::after {
  transform: translateX(120%);
  transition: transform 1.2s var(--ease-soft);
}

.gallery-slides {
  display: flex;
  height: 100%;
  transition: transform .85s var(--ease-soft);
}

.gallery-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1) brightness(.72);
  transition: filter 1s var(--ease-soft), transform 1s var(--ease-soft);
}

.proj-card:hover .gallery-slide { filter: grayscale(0) brightness(.95); }

/* tablette et téléphone : pas de survol, l'image est directement en couleur */
@media (hover: none), (max-width: 1024px) {
  .gallery-slide { filter: none; }
}

.gallery-slide-placeholder {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 .7rem;
  pointer-events: none;
}

.gallery-arrow {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1rem;
  color: var(--text);
  background: rgba(10, 10, 12, .6);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: all;
  transition: opacity .5s var(--ease-soft), background .4s var(--ease-soft), transform .4s var(--ease-soft);
}

.proj-gallery:hover .gallery-arrow { opacity: 1; }
.gallery-arrow:hover { background: var(--violet-deep); transform: scale(1.08); }

.gallery-nav {
  position: absolute;
  left: 50%;
  bottom: .9rem;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 3;
}

.gallery-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .35);
  transition: background .4s var(--ease-soft), width .4s var(--ease-soft);
}

.gallery-dot.active { background: var(--violet); width: 18px; }

/* corps */
.proj-body { padding: 1.3rem .8rem 0; }

.proj-meta {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
}

.proj-type {
  padding: .3rem .8rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--violet-line);
  background: var(--violet-soft);
  color: var(--violet);
}

.proj-location { margin-left: auto; text-align: right; }

.proj-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.65rem;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 1rem 0 .6rem;
  transition: color .5s var(--ease-soft);
}

.proj-card:hover .proj-title { color: var(--violet); }

.proj-description {
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.proj-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.1rem; }

.proj-tag {
  padding: .3rem .8rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
  transition: border-color .5s var(--ease-soft), color .5s var(--ease-soft), background .5s var(--ease-soft);
}

/* au survol, les tags s'allument l'un après l'autre */
.proj-card:hover .proj-tag { border-color: var(--violet-line); color: var(--text); }
.proj-card:hover .proj-tag:nth-child(2) { transition-delay: .06s; }
.proj-card:hover .proj-tag:nth-child(3) { transition-delay: .12s; }
.proj-card:hover .proj-tag:nth-child(4) { transition-delay: .18s; }
.proj-card:hover .proj-tag:nth-child(5) { transition-delay: .24s; }

.proj-type { transition: box-shadow .6s var(--ease-soft); }
.proj-card:hover .proj-type { box-shadow: 0 0 18px var(--violet-glow); }

.proj-links { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.3rem; }

.proj-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.1rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .5s var(--ease-soft), border-color .5s var(--ease-soft),
              background .5s var(--ease-soft), transform .5s var(--ease-soft);
}

.proj-link svg { width: 11px; height: 11px; flex-shrink: 0; }

.proj-link:hover {
  color: var(--text);
  border-color: var(--violet-line);
  background: var(--violet-soft);
  transform: translateY(-2px);
}

/* vide */
.no-projects {
  grid-column: 1 / -1;
  padding: clamp(4rem, 12vw, 8rem) 2rem;
  text-align: center;
  color: var(--faint);
  border-radius: var(--r-xl);
  border: 1px dashed var(--line-soft);
}

.no-projects h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.6rem;
  color: var(--text);
  margin-bottom: .5rem;
}

.no-projects p { font-size: .88rem; }

@media (max-width: 680px) {
  .projects-grid { grid-template-columns: 1fr; }
  .filters-bar { border-radius: var(--r-lg); gap: .2rem; }
  .filter-btn { padding: .5rem .9rem; }
  .filter-count { width: 100%; margin-left: 0; padding: .4rem 0 .2rem 1rem; }
  .projects-hero-watermark { opacity: .04; }
}

@media (prefers-reduced-motion: reduce) {
  .projects-hero::before { animation: none; }
  .projects-hero .eyebrow, .projects-hero-title { animation-name: fadeOnly; }
  .proj-card.is-visible, .proj-card.is-visible:nth-child(even) { opacity: 1; animation-name: fadeOnly; }
  .proj-gallery, .proj-card:nth-child(even) .proj-gallery { clip-path: none; }
}