:root{
  --bg:#0b0b0b;
  --fg:#f5f5f5;
  --muted:#bdbdbd;
  --frame:#232323;
  --accent:#111;
  --gap:22px;
  --maxw:1400px;
  --pad:48px;       
}


*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0; background:var(--bg); color:var(--fg);
  font-family:"Manrope", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  line-height:1.2;
}


/* Header */
.site-header{
  position:fixed; inset:32px 32px auto 32px;
  display:flex; justify-content:space-between; align-items:center;
  z-index:4; /* devant tout */
}
.brand{
  color:var(--fg); text-decoration:none; font-weight:700;
  letter-spacing:.06em; font-size:clamp(12px,1.2vw,14px);
}
.site-nav a{
  color:var(--fg); text-decoration:none; margin-left:28px;
  letter-spacing:.08em; font-size:clamp(12px,1.2vw,14px);
  position:relative;
}
.site-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px;
  background:currentColor; transform:scaleX(0); transform-origin:right;
  transition:transform .35s ease;
}
.site-nav a:hover::after{ transform:scaleX(1); transform-origin:left; }
 


/* ===== HERO ===== */
.gallery-hero{
  min-height:100svh;
  position:relative;
  display:flex; flex-direction:column;
  justify-content:flex-end;
  padding:120px 32px 80px;
  overflow:hidden;
}
.thumb-strip{
  position:absolute; top:90px; left:32px; right:32px;
  display:grid; grid-auto-flow:column; grid-auto-columns:minmax(72px, 1fr); gap:8px;
  z-index:2;
}
/* miniatures en haut */
.thumb-strip img{
  width:100%;
  height:72px;
  object-fit:cover;
  border-radius:0;             
  outline:1px solid rgba(255,255,255,.18);
}
.hero-content{ position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; width:100%; }
.hero-menu{ list-style:none; margin:0 0 24px 0; padding:0; }
.hero-menu li{ line-height:1.8; }
.hero-menu a{ color:var(--fg); text-decoration:none; font-size:clamp(14px, 1.2vw, 16px); }
.hero-menu .italic{ font-style:italic; opacity:.9; }

.hero-bottom{
  display:grid; grid-template-columns:1fr auto auto; align-items:end; gap:16px;
}
.date{ color:var(--muted); letter-spacing:.08em; font-size:clamp(11px,1.2vw,13px); }
.view-link{ color:var(--fg); text-decoration:none; letter-spacing:.08em; font-size:clamp(11px,1.2vw,13px); }
.hero-title{
  grid-column:1 / -1;
  margin:0;
  text-transform:uppercase;
  font-weight:900;
  line-height:.8;
  font-size:clamp(64px, 20vw, 220px);
  letter-spacing:-.02em;
  align-self:end;
}

/* bouton “scroll” */
.scroll-indicator{
  position:absolute; left:50%; bottom:22px; transform:translateX(-50%);
  background:transparent; border:1px solid var(--frame); color:var(--muted); padding:8px 14px;
  border-radius:999px; font-size:12px; letter-spacing:.16em; cursor:pointer;
}


/* conteneur des articles */
.grid-wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px var(--pad) 96px;
  column-width: 320px;        /* largeur "cible" d’une colonne */
  column-gap: var(--gap);     /* espace entre colonnes */
}

/* chaque projet */
.tile{
  position: relative;       
  display: inline-block;     
  width: 100%;
  margin: 0 0 var(--gap);
  break-inside: avoid;       
  overflow: hidden;   /* clippe l’overlay au bord de l’image */
  background: none;
  border: none;
  outline: none;
}

/* images fluides, jamais rognées */
.tile img{
  display: block;
  width: 100%;
  height: auto;              
}

/* ------- Overlay (légende au hover/focus) -------- */

/* film sombre doux */
.tile::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,0) 60%);
  opacity:0;
  transition:opacity .25s ease;
  pointer-events:none;
  z-index:0; /* sous le texte et le bouton */
}

/* texte depuis data-title / data-meta */
.tile::after{
  content:attr(data-title) " — " attr(data-meta);
  position:absolute; inset:auto 0 0 0;
  padding:18px 18px 16px;
  background:linear-gradient(to top, rgba(0,0,0,.78), rgba(0,0,0,0));
  color:#fff; font-size:14px; letter-spacing:.02em;
  transform:translateY(100%);
  opacity:0; /* caché par défaut */
  transition:opacity .35s ease, transform .35s ease;
  pointer-events:none;
  white-space:pre-line;
  z-index:1; /* sous le bouton volume */
}

/* afficher au survol + accessibilité clavier */
.tile:hover::after,
.tile:focus::after{
  transform:translateY(0);
  opacity:1;
}


/* afficher au survol + accessibilité clavier */
.tile:hover::before,
.tile:focus::before{ opacity:1; }


/* zoom léger à l'hover */
.tile:hover img,
.tile:focus img{
  transform:scale(1.04);
  filter:brightness(.94) contrast(1.05);
}


/* responsive : adapte la largeur des colonnes */
@media (max-width: 1200px){
  .grid-wrap{ column-width: 280px; }
}
@media (max-width: 900px){
  .grid-wrap{ column-width: 240px; }
}
@media (max-width: 600px){
  .grid-wrap{ column-width: 100%; } /* une colonne en mobile */
}


/* --- Tuile vidéo --- */
.tile.video {
  background:#000;
}

/* Vidéo responsive */
.tile-video{
  display:block;
  width:100%;
  height:auto;
  vertical-align:middle;
  transition:transform .35s ease, filter .35s ease;
}

.tile.video::before,
.tile.video::after{
  display:block;
}


/* Bouton volume */
.vol-btn{
  position:absolute;
  top:12px;   /* en haut */
  right:12px; /* à droite */
  z-index:2;  /* au-dessus du texte overlay */
  border:1px solid rgba(255,255,255,.25);
  background:rgba(0,0,0,.45);
  color:#fff;
  backdrop-filter:blur(4px);
  padding:8px 10px;
  border-radius:999px;
  font-size:14px;
  line-height:1;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, border-color .2s ease;
}
.vol-btn:hover{ transform:scale(1.06); background:rgba(0,0,0,.6); border-color:rgba(255,255,255,.4); }
.vol-btn:focus{ outline:2px solid rgba(255,255,255,.35); outline-offset:2px; }

.tile.video .vol-btn[aria-pressed="true"]{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.5);
}


/* ===== Zoom img quand clic ===== */
.zoom-overlay{
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.82);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.zoom-overlay.is-open{
  opacity: 1;
  pointer-events: auto;
}

.zoom-overlay img{
  max-width: min(96vw, 1400px);
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.12);
  transform: scale(.97);
  transition: transform .25s ease;
}
.zoom-overlay.is-open img{ transform: scale(1); }

body.zoom-lock{ overflow: hidden; }   /* empêche le scroll quand zoomé */

/* pour les vidéos */
.zoom-overlay .zoom-media > video{
  max-width: min(96vw, 1400px);
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.12);
  transform: scale(.97);
  transition: transform .25s ease;
}
.zoom-overlay.is-open .zoom-media > video{
  transform: scale(1);
}


/* petit curseur “loupe” sur les vignettes */
.grid-wrap .tile img{ cursor: zoom-in; }
.grid-wrap .tile video{ cursor: zoom-in; }



/* boutons Filtres  */
.filters{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad) 8px;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.filter-btn{
  appearance:none; border:1px solid var(--frame);
  background:var(--accent); color:var(--fg);
  padding:10px 14px; border-radius:999px;
  font-size:14px; letter-spacing:.06em; cursor:pointer;
  transition:transform .15s ease, background .25s ease, border-color .25s ease, opacity .25s ease;
    text-transform: uppercase;
  letter-spacing: .12em;      /* un peu plus d’espace pour les MAJ */
}
.filter-btn:hover{ transform:translateY(-1px); }
.filter-btn.is-active{
  background:#dedddd; border-color:#2c2c2c;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}

.filter-btn.is-active {
  color: #000000; 
}


/* petit espace avec la grille */
#grid{ margin-top: 8px; }



/* partie juste pour la video du mapping car le lien ytb marche pas sinon */

.tile-overlay-link{
  position:absolute;
  inset:auto 0 0 0;
  padding:18px 18px 16px;
  background:linear-gradient(to top, rgba(0,0,0,.78), rgba(0,0,0,0));
  text-decoration:none;
  transform:translateY(100%);
  opacity:0;
  transition:opacity .35s ease, transform .35s ease;
  z-index:2;
}

.tile-overlay-text{
  color:#fff;
  font-size:14px;
  letter-spacing:.02em;
  white-space:pre-line;
}

.tile:hover .tile-overlay-link,
.tile:focus .tile-overlay-link{
  transform:translateY(0);
  opacity:1;
}