/* ============================================================
   PROJET-SINGLE.CSS — v3 — Layout Immersif Premium
   Nathan COLIN alias WillyOL
   ============================================================
   Thème dynamique via CSS variables sur <body> :
     --projet-bg     : fond de page
     --projet-texte  : texte principal
     --projet-accent : couleur d'accent
   ============================================================ */

.page-projet-single {
  --projet-bg:     #0a0a0a;
  --projet-texte:  #ffffff;
  --projet-accent: #ffffff;

  --_t90: color-mix(in srgb, var(--projet-texte) 90%, transparent);
  --_t65: color-mix(in srgb, var(--projet-texte) 65%, transparent);
  --_t35: color-mix(in srgb, var(--projet-texte) 35%, transparent);
  --_t15: color-mix(in srgb, var(--projet-texte) 15%, transparent);
  --_t07: color-mix(in srgb, var(--projet-texte)  7%, transparent);
  --_t04: color-mix(in srgb, var(--projet-texte)  4%, transparent);

  background: var(--projet-bg);
  color:      var(--projet-texte);
  min-height: 100vh;
}

.page-projet-single footer {
  border-top: 1px solid var(--_t07);
}

/* ══════════════════════════════════════════════
   HERO PLEIN ÉCRAN
   ══════════════════════════════════════════════ */
.proj-hero {
  position:    relative;
  width:       100%;
  height:      100svh;
  overflow:    hidden;
  display:     flex;
  align-items: flex-end;
}

.proj-hero-media {
  position:        absolute;
  inset:           0;
  width:           100%;
  height:          100%;
  object-fit:      cover;
  object-position: center;
}

.proj-hero::after {
  content:    '';
  position:   absolute;
  inset:      0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.08) 0%,
    rgba(0,0,0,0)    35%,
    rgba(0,0,0,0.65) 80%,
    rgba(0,0,0,0.85) 100%
  );
  z-index: 1;
}

.proj-hero-cap {
  position:    relative;
  z-index:     2;
  padding:     clamp(2.5rem, 5vw, 5rem) var(--marge);
  width:       100%;
  display:     flex;
  align-items: flex-end;
  justify-content: space-between;
  gap:         2rem;
}

.proj-hero-left { flex: 1; min-width: 0; overflow: hidden; }

.proj-hero-index {
  display:        block;
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.24em;
  color:          rgba(255,255,255,0.45);
  text-transform: uppercase;
  margin-bottom:  1.2rem;
  opacity:        0;
  transform:      translateY(12px);
  animation:      proj-up 0.8s var(--ease-out) 0.5s forwards;
}

.proj-hero-titre {
  font-family:    var(--font-titre);
  font-size:      clamp(5rem, 14vw, 13rem);
  line-height:    0.88;
  letter-spacing: -0.03em;
  color:          #ffffff;
  opacity:        0;
  transform:      translateY(40px);
  animation:      proj-up 1s var(--ease-out) 0.65s forwards;
}

.proj-hero-meta {
  display:        flex;
  flex-direction: column;
  align-items:    flex-end;
  gap:            0.5rem;
  padding-bottom: 0.4em;
  opacity:        0;
  transform:      translateY(12px);
  animation:      proj-up 0.8s var(--ease-out) 0.8s forwards;
}

.proj-hero-meta-cat,
.proj-hero-meta-year {
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color:          rgba(255,255,255,0.4);
}

@keyframes proj-up {
  to { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════
   INTRO ÉDITORIALE
   ══════════════════════════════════════════════ */
.proj-intro {
  padding:    clamp(5rem, 10vw, 10rem) var(--marge);
  display:    grid;
  grid-template-columns: 1fr clamp(240px, 28%, 360px);
  gap:        clamp(4rem, 8vw, 10rem);
  align-items: start;
}

.proj-intro-texte {
  display:        flex;
  flex-direction: column;
  gap:            clamp(1.5rem, 3vw, 2.5rem);
}

.proj-intro-tagline {
  font-family:    var(--font-titre);
  font-size:      clamp(2.5rem, 5.5vw, 5.5rem);
  line-height:    0.95;
  letter-spacing: -0.02em;
  color:          var(--projet-texte);
}

.proj-intro-desc p {
  font-family: var(--font-corps);
  font-size:   var(--fs-corps);
  line-height: 1.9;
  font-weight: 300;
  color:       var(--_t65);
  max-width:   56ch;
}

.proj-intro-desc p + p { margin-top: 1.4em; }

/* Fiche technique (colonne droite) */
.proj-fiche {
  display:        flex;
  flex-direction: column;
  position:       sticky;
  top:            clamp(5rem, 10vw, 8rem);
}

.proj-fiche-item {
  display:        flex;
  flex-direction: column;
  gap:            0.4rem;
  padding:        clamp(1.2rem, 2.5vw, 1.8rem) 0;
  border-top:     1px solid var(--_t07);
}

.proj-fiche-item:last-child { border-bottom: 1px solid var(--_t07); }

.proj-fiche-label {
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color:          var(--_t35);
}

.proj-fiche-val {
  font-family: var(--font-corps);
  font-size:   clamp(0.88rem, 1.1vw, 0.98rem);
  font-weight: 300;
  color:       var(--_t90);
  line-height: 1.5;
}

/* ══════════════════════════════════════════════
   MÉDIA PLEINE LARGEUR
   ══════════════════════════════════════════════ */
.proj-media-full {
  line-height: 0;
  overflow:    hidden;
}

.proj-media-full img,
.proj-media-full video {
  width:      100%;
  max-height: 92vh;
  object-fit: cover;
  display:    block;
}

.proj-media-full figcaption {
  padding:        1rem var(--marge) 0;
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.1em;
  color:          var(--_t35);
  line-height:    1.5;
}

/* ══════════════════════════════════════════════
   SPLIT — MÉDIA / TEXTE
   ══════════════════════════════════════════════ */
.proj-split {
  display:     grid;
  gap:         2px;
  align-items: stretch;
  padding:     clamp(4rem, 8vw, 8rem) 0;
}

.proj-split--media-gauche { grid-template-columns: 60fr 40fr; }
.proj-split--texte-gauche { grid-template-columns: 40fr 60fr; }

.proj-split--media-gauche .proj-split-texte { order: 2; }
.proj-split--media-gauche .proj-split-media { order: 1; }
.proj-split--texte-gauche .proj-split-texte { order: 1; }
.proj-split--texte-gauche .proj-split-media { order: 2; }

.proj-split-media {
  overflow: hidden;
  position: relative;
}

.proj-split-media img,
.proj-split-media video {
  width:      100%;
  height:     100%;
  object-fit: cover;
  display:    block;
  transition: transform 1.3s var(--ease-out);
}

.proj-split-media:hover img,
.proj-split-media:hover video { transform: scale(1.03); }

.proj-split-texte {
  display:         flex;
  flex-direction:  column;
  justify-content: center;
  padding:         clamp(3rem, 6vw, 6rem) var(--marge);
  gap:             clamp(1.5rem, 3vw, 2.5rem);
}

.proj-split-label {
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color:          var(--_t35);
}

.proj-split-titre {
  font-family:    var(--font-titre);
  font-size:      clamp(2rem, 4vw, 3.8rem);
  letter-spacing: -0.015em;
  line-height:    1;
  color:          var(--projet-texte);
}

.proj-split-texte p {
  font-family: var(--font-corps);
  font-size:   var(--fs-corps);
  line-height: 1.9;
  font-weight: 300;
  color:       var(--_t65);
  max-width:   44ch;
}

/* ══════════════════════════════════════════════
   GALERIE GRILLE
   ══════════════════════════════════════════════ */
.proj-gallery {
  display: grid;
  gap:     2px;
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.proj-gallery--2col { grid-template-columns: repeat(2, 1fr); }
.proj-gallery--3col { grid-template-columns: repeat(3, 1fr); }
.proj-gallery-item--wide { grid-column: span 2; }

.proj-gallery-item { overflow: hidden; }

.proj-gallery-item img,
.proj-gallery-item video {
  width:      100%;
  height:     100%;
  object-fit: cover;
  display:    block;
  transition: transform 1.2s var(--ease-out);
}

.proj-gallery-item:hover img,
.proj-gallery-item:hover video { transform: scale(1.04); }

.proj-placeholder { background: var(--_t04); width: 100%; }

/* ══════════════════════════════════════════════
   TEXTE ÉDITORIAL INTERSTITIEL
   ══════════════════════════════════════════════ */
.proj-editorial {
  padding:    clamp(5rem, 10vw, 10rem) var(--marge);
  display:    grid;
  grid-template-columns: 1fr 1fr;
  gap:        clamp(3rem, 6vw, 8rem);
  align-items: start;
}

.proj-editorial-label {
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color:          var(--_t35);
  padding-top:    0.25rem;
}

.proj-editorial-contenu {
  display:        flex;
  flex-direction: column;
  gap:            1.5rem;
}

.proj-editorial-titre {
  font-family:    var(--font-titre);
  font-size:      clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.01em;
  line-height:    1;
  color:          var(--projet-texte);
}

.proj-editorial-contenu p {
  font-family: var(--font-corps);
  font-size:   var(--fs-corps);
  line-height: 1.9;
  font-weight: 300;
  color:       var(--_t65);
}

/* ══════════════════════════════════════════════
   CITATION TYPOGRAPHIQUE
   ══════════════════════════════════════════════ */
.proj-quote {
  padding:       clamp(6rem, 14vw, 14rem) var(--marge);
  display:       flex;
  align-items:   center;
  justify-content: center;
  border-top:    1px solid var(--_t07);
  border-bottom: 1px solid var(--_t07);
  position:      relative;
  overflow:      hidden;
}

.proj-quote::before {
  content:        '"';
  font-family:    var(--font-titre);
  font-size:      clamp(12rem, 30vw, 28rem);
  line-height:    1;
  color:          var(--_t04);
  position:       absolute;
  top:            50%;
  left:           var(--marge);
  transform:      translateY(-50%);
  pointer-events: none;
  user-select:    none;
}

.proj-quote blockquote {
  font-family:    var(--font-titre);
  font-size:      clamp(2rem, 5vw, 4.5rem);
  line-height:    1.1;
  letter-spacing: -0.015em;
  color:          var(--projet-texte);
  font-style:     normal;
  text-align:     center;
  max-width:      22ch;
  position:       relative;
  z-index:        1;
}

.proj-quote-source {
  display:        block;
  margin-top:     2.5rem;
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color:          var(--_t35);
  text-align:     center;
}

/* ══════════════════════════════════════════════
   FLÈCHE DE RETOUR — Fixe bas-gauche
   ══════════════════════════════════════════════ */
.retour-fleche {
  position:       fixed;
  bottom:         clamp(1.5rem, 3vw, 2.5rem);
  left:           var(--marge-nav);
  z-index:        calc(var(--z-nav) - 1);
  display:        flex;
  align-items:    center;
  justify-content: center;
  width:          2.8rem;
  height:         2.8rem;
  color:          rgba(255,255,255,0.45);
  text-decoration: none;
  transition:     color     0.3s ease,
                  transform 0.35s var(--ease-out),
                  opacity   0.3s ease;
  opacity:        0.7;
}

.retour-fleche:hover {
  color:   rgba(255,255,255,0.95);
  transform: translateX(-5px);
  opacity: 1;
}

.retour-fleche svg {
  width:  22px;
  height: 22px;
  display: block;
}

/* ══════════════════════════════════════════════
   PROJET SUIVANT — Carte centrée façon Figma
   ══════════════════════════════════════════════ */
.proj-next {
  position:        relative;
  width:           100%;
  padding-bottom:  8vh;
  margin-top:      clamp(4rem, 8vw, 8rem);
  display:         flex;
  justify-content: center;
}

.proj-next-card {
  text-decoration: none;
  position:        relative;
  width:           80%;
  max-width:       1600px;
  height:          400px;
  background:      #0f0f0f;
  border:          1px solid rgba(255,255,255,0.1);
  border-radius:   20px;
  overflow:        hidden;
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  transition:      border-color 0.3s ease;
}

.proj-next-card:hover { border-color: rgba(255,255,255,0.3); }

/* Texte à gauche */
.proj-next-texte {
  position:        relative;
  z-index:         10;
  padding-left:    4vw;
  display:         flex;
  flex-direction:  column;
  justify-content: center;
  width:           40%;
}

.proj-next-label {
  font-family:    var(--font-mono);
  font-size:      0.9rem;
  text-transform: uppercase;
  color:          rgba(255,255,255,0.5);
  margin-bottom:  0.5rem;
  letter-spacing: 0.1em;
  font-weight:    500;
}

.proj-next-titre {
  font-family:    var(--font-titre);
  font-size:      3.5rem;
  font-weight:    700;
  font-style:     italic;
  text-transform: uppercase;
  color:          #ffffff;
  margin-bottom:  2rem;
  line-height:    1;
  letter-spacing: 0.02em;
}

.proj-next-cta {
  display:        flex;
  align-items:    center;
  gap:            1rem;
  color:          #ffffff;
  font-family:    var(--font-corps);
  font-size:      1rem;
  font-weight:    500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition:     gap 0.3s ease;
}

.proj-next-card:hover .proj-next-cta { gap: 1.5rem; }

.proj-next-cta svg {
  flex-shrink: 0;
  transition:  transform 0.3s var(--ease-out);
}

.proj-next-card:hover .proj-next-cta svg { transform: translateX(4px); }

/* Image à droite — absolue */
.proj-next-media {
  position:       absolute;
  right:          0;
  top:            0;
  height:         100%;
  width:          60%;
  transition:     transform 0.6s ease;
  transform-origin: center center;
}

.proj-next-card:hover .proj-next-media { transform: scale(1.03); }

.proj-next-media img,
.proj-next-media video {
  width:      100%;
  height:     100%;
  object-fit: cover;
  display:    block;
}

/* Gradient overlay — fondu de gauche vers la droite */
.proj-next-media-overlay {
  position:   absolute;
  top: 0; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to right, #0f0f0f 10%, transparent 100%);
  z-index:    2;
}

@media (max-width: 1024px) {
  .proj-next-card {
    height:         auto;
    flex-direction: column-reverse;
    padding-bottom: 2rem;
    width:          90%;
  }
  .proj-next-media {
    position: relative;
    width:    100%;
    height:   200px;
    transform: none !important;
  }
  .proj-next-media-overlay {
    background: linear-gradient(to top, #0f0f0f 10%, transparent 100%);
  }
  .proj-next-texte {
    width:     100%;
    padding:   2rem 1.5rem;
    text-align: center;
  }
  .proj-next-cta { justify-content: center; }
  .proj-next-titre { font-size: 2.5rem; margin-bottom: 1.5rem; }
}


/* ══════════════════════════════════════════════
   COMPAT legacy — styles conservés pour rétrocompat
   ══════════════════════════════════════════════ */
.projet-hero-media {
  position:        absolute;
  inset:           0;
  width:           100%;
  height:          100%;
  object-fit:      cover;
  object-position: center;
}

.projet-hero-overlay {
  position:   absolute;
  inset:      0;
  background: linear-gradient(to bottom,rgba(0,0,0,0.06) 0%,rgba(0,0,0,0) 35%,rgba(0,0,0,0.65) 80%,rgba(0,0,0,0.85) 100%);
}

.projet-hero-titre {
  position:   relative;
  z-index:    2;
  padding:    clamp(2.5rem, 5vw, 5rem) var(--marge);
}

.projet-index {
  display:        block;
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.24em;
  color:          rgba(255,255,255,0.4);
  text-transform: uppercase;
  margin-bottom:  1.2rem;
}

.projet-titre-principal {
  font-family:    var(--font-titre);
  font-size:      clamp(5rem, 14vw, 13rem);
  line-height:    0.88;
  letter-spacing: -0.03em;
  color:          #ffffff;
}

.projet-intro { padding: clamp(5rem, 10vw, 10rem) var(--marge); }

.projet-desc p {
  font-family: var(--font-corps);
  font-size:   var(--fs-corps);
  line-height: 1.9;
  font-weight: 300;
  color:       rgba(255,255,255,0.65);
  max-width:   58ch;
}

.projet-desc p + p { margin-top: 1.4em; }

.galerie-videos-split { padding: clamp(4rem, 8vw, 8rem) 0; }

.galerie-videos-inner {
  display:               grid;
  grid-template-columns: repeat(2, 1fr);
  gap:                   2px;
}

.galerie-video-item {
  display:        flex;
  flex-direction: column;
  gap:            0.9rem;
  overflow:       hidden;
}

.galerie-video-label {
  font-family:    var(--font-mono);
  font-size:      var(--fs-mono-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color:          rgba(255,255,255,0.3);
  padding:        0 var(--marge);
}

.galerie-video-item video { width: 100%; display: block; }

/* ══════════════════════════════════════════════
   VIDÉOS CLIQUABLES — Aperçu + Plein écran
   ══════════════════════════════════════════════ */
.proj-split-media,
.proj-media-full {
  position: relative;
}

.video-play-hint {
  position:        absolute;
  inset:           0;
  display:         flex;
  align-items:     center;
  justify-content: center;
  background:      rgba(0,0,0,0.18);
  opacity:         0;
  transition:      opacity 0.35s var(--ease-out);
  pointer-events:  none;
  z-index:         5;
}

.proj-split-media:hover .video-play-hint,
.proj-media-full:hover  .video-play-hint {
  opacity: 1;
}

.video-play-hint svg {
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.45));
}

/* ══════════════════════════════════════════════
   ANIMATIONS AU SCROLL
   ══════════════════════════════════════════════ */
.apparaitre {
  opacity:    0;
  transform:  translateY(32px);
  transition: opacity   0.9s var(--ease-out),
              transform 0.9s var(--ease-out);
}

.apparaitre.visible { opacity: 1; transform: translateY(0); }

.delai-1 { transition-delay: 0.1s;  }
.delai-2 { transition-delay: 0.22s; }
.delai-3 { transition-delay: 0.34s; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .proj-intro { grid-template-columns: 1fr; gap: clamp(3rem,6vw,5rem); }
  .proj-fiche { position: static; display: grid; grid-template-columns: repeat(2,1fr); }
  .proj-fiche-item:nth-child(odd)  { border-right: 1px solid var(--_t07); padding-right: 2rem; }
  .proj-fiche-item:nth-child(even) { padding-left: 2rem; }
  .proj-fiche-item:last-child { border-bottom: 1px solid var(--_t07); }
  .fiche-bande-inner { grid-template-columns: repeat(2,1fr); }
  .fiche-item:nth-child(2) { border-right: none; }
  .fiche-item:nth-child(3) { border-top: 1px solid rgba(255,255,255,0.07); padding-left: 0; }
  .fiche-item:nth-child(4) { border-top: 1px solid rgba(255,255,255,0.07); }
}

@media (max-width: 900px) {
  .proj-hero-cap    { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .proj-hero-meta   { align-items: flex-start; }
  .proj-split--media-gauche,
  .proj-split--texte-gauche { grid-template-columns: 1fr; }
  .proj-split--media-gauche .proj-split-texte,
  .proj-split--texte-gauche .proj-split-texte { order: 2; }
  .proj-split--media-gauche .proj-split-media,
  .proj-split--texte-gauche .proj-split-media { order: 1; }
  .proj-split-texte { padding: clamp(2rem,5vw,4rem) var(--marge); }
  .proj-split-texte p { max-width: 100%; }
  .proj-gallery--3col { grid-template-columns: repeat(2,1fr); }
  .proj-editorial  { grid-template-columns: 1fr; gap: 1.5rem; }
  .galerie-videos-inner { grid-template-columns: 1fr; }
  .fiche-bande-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .proj-hero-titre    { font-size: clamp(3.5rem,18vw,7rem); }
  .proj-intro-tagline { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .proj-next-texte { padding: clamp(2rem, 6vw, 4rem) var(--marge); }
  .proj-gallery--2col { grid-template-columns: 1fr; }
  .proj-gallery-item--wide { grid-column: span 1; }
  .proj-quote blockquote { font-size: clamp(1.6rem,6vw,2.8rem); }
  .proj-fiche { grid-template-columns: 1fr; }
  .proj-fiche-item:nth-child(odd)  { border-right: none; padding-right: 0; }
  .proj-fiche-item:nth-child(even) { padding-left: 0; }
  .fiche-bande-inner { grid-template-columns: 1fr; }
  .fiche-item { border-right: none !important; padding-left: 0 !important; padding-right: 0; }
  .fiche-item + .fiche-item { border-top: 1px solid rgba(255,255,255,0.07); }
  .projet-suivant-lien { aspect-ratio: 16 / 9; }
}
