:root{
  --cols:12;
  --rows:8;
  --line:1px;
  --border:1px;
  --margin:20px;

  --bg:#ffffff;
  --fg:#000000;
  --grid:rgba(0,0,0,0.85);
  --grid-soft:rgba(0,0,0,0.35);

  --font: Arial, Helvetica, sans-serif;
  --logo-font: Arial, Helvetica, sans-serif;

  /* responsive square-cell grid */
  --cell:110px;
  --gridW: calc(var(--cell) * var(--cols));
  --gridH: calc(var(--cell) * var(--rows));
}

*{box-sizing:border-box;}
html,body{height:100%; margin:0;}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font);
  overflow:hidden;
}

body.dark{
  --bg:#000000;
  --fg:#ffffff;
  --grid:rgba(255,255,255,0.85);
  --grid-soft:rgba(255,255,255,0.45);
}

/* Centered grid shell: everything aligns to this */
.grid-shell{
  position:absolute;
  left:50%;
  top:50%;
  width:var(--gridW);
  height:var(--gridH);
  transform:translate(-50%,-50%) scale(var(--scale,1));
  transform-origin:center;
}

/* GRID overlay */
.grid-overlay{
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:1;
  outline: var(--line) solid var(--grid);
  outline-offset:-1px;
  background-image:
    repeating-linear-gradient(
      to right,
      transparent 0,
      transparent calc(var(--cell) - var(--line)),
      var(--grid) calc(var(--cell) - var(--line)),
      var(--grid) var(--cell)
    ),
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent calc(var(--cell) - var(--line)),
      var(--grid) calc(var(--cell) - var(--line)),
      var(--grid) var(--cell)
    );
}

/* CONTENT GRID */
.layout{
  position:relative;
  z-index:2;
  width:100%;
  height:100%;
  display:grid;
  grid-template-columns: repeat(var(--cols), var(--cell));
  grid-template-rows: repeat(var(--rows), var(--cell));
}

/* header line */
.header-line{
  grid-column:1 / -1;
  grid-row:1 / 2;
  border-bottom: var(--border) solid var(--grid);
  align-self:end;
}

.brand{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-family:var(--logo-font);
  font-weight:700;
  letter-spacing:0.5px;
  text-transform:uppercase;
  color:var(--fg);
  text-decoration:none;
}
.brand .mark,
.brand .word{
  font-style:italic;
  transform: skewX(-10deg);
  font-size:22px;
  line-height:1;
}
.brand.hidden{opacity:0;}
.brand.centered{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  transition: opacity 600ms ease;
}
.brand.split-left{
  position:absolute;
  top:var(--margin);
  left:var(--margin);
  transition: transform 900ms ease, opacity 600ms ease;
}
.brand.split-right{
  position:absolute;
  top:var(--margin);
  right:var(--margin);
  transition: transform 900ms ease, opacity 600ms ease;
}

/* Vitra logo (image) */
.vitra{
  position:absolute;
  left:var(--margin);
  bottom:var(--margin);
  z-index:3;
  width:78px;
  height:auto;
}
.vitra img{
  width:100%;
  height:auto;
  display:block;
}

/* Buttons / nav */
.nav{
  grid-column:2 / 5;
  grid-row:4 / 7;
  align-self:start;
}
.nav a{
  display:block;
  color:var(--fg);
  text-decoration:none;
  font-size:28px;
  line-height:1.05;
  margin:0 0 22px 0;
}
.nav a:hover{ text-decoration:underline; }

/* Video */
.video-block{
  grid-column:7 / 12;
  grid-row:3 / 7;
  display:grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
}
.video-frame{
  width:100%;
  height:100%;
  background:#000;
  overflow:hidden;
}
.video-frame video{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.video-caption{
  padding-top:12px;
  font-size:12px;
  line-height:1.25;
  max-width:38ch;
}

/* Preloader */
.preloader{
  position:fixed;
  inset:0;
  background:var(--bg);
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:center;
}
.stack{
  position:relative;
  width:min(70vw, 640px);
  height:min(52vw, 420px);
}
.stack img{
  filter:none;

  position:absolute;
  left:50%;
  top:50%;
  transform: translate(-50%,-50%) translate(var(--dx, 0px), var(--dy, 0px)) rotate(var(--rot, 0deg));
  max-width:100%;
  max-height:100%;
  width:auto;
  height:auto;
  object-fit:contain; /* respect original format */
  opacity:0;
  transition: opacity 180ms ease;
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.25));
}
.stack img.show{ opacity:1; }

.fade-out{
  opacity:0;
  pointer-events:none;
  transition: opacity 700ms ease;
}

.content{
  opacity:0;
  transition: opacity 600ms ease;
}
.content.ready{ opacity:1; }

.backlink{
  grid-column:1 / 2;
  grid-row:2 / 3;
  justify-self:center;
  align-self:center;
  z-index:5;
  color:var(--fg);
  text-decoration:none;
  font-size:14px;
}
.backlink:hover{text-decoration:underline;}

/* Exhibition */
.exhibition-title{
  grid-column:2 / 6;
  grid-row:3 / 4;
  font-size:30px;
}
.exhibition-text{
  font-size:12px;
  line-height:1.35;
  overflow:hidden;
}
.exhibition-text p{ margin:0 0 10px 0; }

.steps-grid{
  grid-column:9 / 12;
  grid-row:3 / 6;
  display:grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap:0;
}
.step-thumb{
  z-index:6;
  background:rgba(255,255,255,0.92);
  border: var(--line) solid var(--grid-soft);
  overflow:hidden;
  cursor:pointer;
  width:100%;
  height:100%;
  display:flex;
}
.step-thumb img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}
body.dark .step-thumb{ background:rgba(255,255,255,0.85); }
.step-thumb img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
  padding:10%;
  background:rgba(255,255,255,0.9);
}


/* Modal */
.modal{
  position:fixed;
  inset:0;
  z-index:20;
  display:none;
  background:rgba(0,0,0,0.75);
  align-items:center;
  justify-content:center;
  padding:var(--margin);
}
.modal.open{ display:grid; }
.modal-card{
  width:100%;
  height:100%;
  background:var(--bg);
  color:var(--fg);
  border: var(--border) solid var(--grid);
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  overflow:hidden;
  position:relative;
}
.modal-img{
  width:100%;
  height:100%;
  border-right: var(--line) solid var(--grid-soft);
  background:#111;
}
.modal-img img{
  width:100%;
  height:100%;
  object-fit:contain;
  background:#111;
}
.modal-copy{
  padding:18px 18px 54px 18px;
  overflow:auto;
}
.modal-copy h3{ margin:0 0 10px 0; font-size:18px; }
.modal-copy p{ margin:0 0 10px 0; font-size:12px; line-height:1.25; }

.modal-close, .modal-prev, .modal-next{
  position:absolute;
  top:10px;
  width:40px;
  height:40px;
  border: var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:20px;
  cursor:pointer;
}
.modal-close{ right:10px; }
.modal-prev{ left:10px; top:auto; bottom:10px;}
.modal-next{ right:10px; top:auto; bottom:10px;}

.pdf-frame{
  grid-column:2 / 12;
  grid-row:2 / 8;
  width:100%;
  height:100%;
  border:0;
}

/* Small screens adjustments */
.video-block{ grid-column:2 / 12; grid-row:6 / 8; }
  .exhibition-text{ grid-column:2 / 12; grid-row:4 / 6; }
  .steps-grid{ grid-column:2 / 12; grid-row:6 / 8; grid-template-columns: repeat(4, 1fr); grid-template-rows: 1fr; }
  .brand .mark,.brand .word{ font-size:18px; }
  .nav a{ font-size:22px; }
}

/* Edge snapping inside grid cells */
.snap-left{ justify-self:start; text-align:left; }
.snap-bottom{ align-self:end; }
.snap-top{ align-self:start; }
.snap-right{ justify-self:end; text-align:right; }

/* Single mobile breakpoint (two modes: desktop / mobile) */
@media (max-width: 700px){
  :root{
    --cols:6;
    --rows:12;
    --margin:14px;
    --cell:68px;
  }
  .brand .mark,.brand .word{ font-size:16px; }
  .nav{ grid-column:1 / -1; grid-row:3 / 6; }
  .nav a{ font-size:22px; margin:0 0 14px 0; }
  .video-block{ grid-column:1 / -1; grid-row:6 / 12; }
  .exhibition-title{ grid-column:1 / -1; grid-row:2 / 3; font-size:22px; }
  .exhibition-text{ grid-column:1 / -1; grid-row:3 / 7; font-size:12px; max-width:unset; }
  .steps-grid{ grid-column:1 / -1; grid-row:7 / 12; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(2, 1fr); }
  .pdf-frame{ grid-column:1 / -1; grid-row:2 / -1; }
  .stack{ width:min(86vw, 420px); height:min(86vw, 420px); }
  .modal-copy{ padding:18px 18px 48px 18px; overflow:auto; font-size:16px; line-height:1.4; }

  .modal-copy h3{ margin:0 0 18px 0; font-size:22px; line-height:1.15; }


  

  /* Mobile homepage layout (reference) */
  
  
  /* Nav like reference: two lines aligned to left */
  
  
  .home-nav a + a{ margin-top:34px; }

  /* Big video frame full width */
  
  
  

  /* Vitra logo bottom-left cell */
  

  /* MOBILE HOMEPAGE – AUTHORITATIVE */
  

  
  
  .home-nav a + a{
    margin-top:34px;
  }

  

  


  /* MOBILE HOMEPAGE – AUTHORITATIVE (6x12) */
  /* Header */
  
  

  /* Navigation */
  /* "Line 2" -> place in row 2 and pin to bottom edge of the cell */
  
  
  
  /* Put first link in row 2 (baseline on bottom of row2) */
  
  /* Put second link baseline on line 4: place it at bottom of row3 (line4) */
  

  /* Video block */
  
  .home-hero-inner{ width:100%; height:100%; }
  .home-hero video{ width:100%; height:100%; object-fit:contain; }

  /* Footer */
  


  /* MOBILE HOMEPAGE – GRID PLACEMENT (6x12) */
  /* Header */
  .home-mark{
    grid-column:1 / 2;
    grid-row:1 / 2;
    justify-self:center;
    align-self:center;
  }
  .home-word{
    grid-column:5 / 7; /* cols 5–6 */
    grid-row:1 / 2;
    justify-self:center;
    align-self:center;
    text-align:center;
    padding:0;
  }

  /* Navigation: align on grid lines (row 2 and row 4), start at col 2 */
  .home-nav{
    grid-column:2 / 6;
    grid-row:2 / 5; /* spans rows 2,3,4 so we can place links on row 2 and row 4 */
    display:grid;
    grid-template-rows: var(--cell) var(--cell) var(--cell);
    align-items:end;
    justify-items:start;
    position:relative;
    z-index:5;
  }
  .home-nav a{
    display:block;
    font-size:30px;
    line-height:1.05;
    padding:0;
    margin:0;
  }
  .home-nav a:nth-child(1){
    grid-row:1; /* line 2 */
    align-self:end;
  }
  .home-nav a:nth-child(2){
    grid-row:3; /* line 4 */
    align-self:end;
  }

  /* Video block */
  .home-hero{
    grid-column:1 / 7; /* cols 1–6 */
    grid-row:4 / 9;   /* rows 4 to 8 */
    z-index:1;
  }
  .home-hero-inner{ width:100%; height:100%; }
  .home-hero video{ width:100%; height:100%; object-fit:contain; }

  /* Footer */
  .vitra-cell{
    grid-column:1 / 2;
    grid-row:12 / 13;
    justify-self:center;
    align-self:center;
  }

}

/* Modal typography tweaks (keep frame) */
.modal-copy{ padding:18px 64px 64px 18px; }
.modal-copy h3{ font-size:16px; line-height:1.15; }
.modal-copy p{ font-size:11px; line-height:1.25; }


/* Homepage layout like reference */
.home-nav{
  grid-column:2 / 5;
  grid-row:4 / 7;
  align-self:start;
}
.home-nav a{
  display:block;
  font-size:28px;
  line-height:1.05;
  margin:0 0 22px 0;
  color:var(--fg);
  text-decoration:none;
}
.home-nav a:hover{ text-decoration:underline; }

.home-hero{
  grid-column:7 / 12;  /* big square on the right */
  grid-row:3 / 7;
  background:#000;
  overflow:hidden;
  align-self:stretch;
  justify-self:stretch;
}
.home-hero video{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}

/* Mobile: stack */
@media (max-width: 700px){
  .home-nav{ grid-column:1 / -1; grid-row:3 / 6; }
  .home-nav a{ font-size:22px; margin:0 0 14px 0; }
  .home-hero{ grid-column:1 / -1; grid-row:6 / 12; }
}

/* Remove grid lines behind header (row 1 only) */
.grid-overlay.no-header-grid::after{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:var(--cell);
  background:var(--bg);
  /* keep outer border visible (outline), we only mask inner lines */
  pointer-events:none;
}

/* Homepage vitra placed inside the grid cell */
.vitra-cell{
  grid-column:1 / 2;
  grid-row:8 / 9;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:6;
}
.vitra-cell img{
  width:58px;
  height:auto;
  display:block;
}
.vitra-cell img{
  width:51px;
  height:auto;
  display:block;
}
.vitra-cell img{
  width:51px;
  height:auto;
  display:block;
}



/* Homepage header logos in grid cells (centered vertically, snapped to grid) */
.home-mark{
  grid-column:1 / 2;
  grid-row:1 / 2;
  justify-self:center;
  align-self:center;
}
.home-word{
  grid-column:11 / 13;
  grid-row:1 / 2;
  justify-self:center;
  align-self:center;
  padding:0;
}



/* Homepage nav: each title sits on its own grid row line */
.home-nav{
  grid-column:2 / 5;
  grid-row:4 / 6; /* two rows */
  display:grid;
  grid-template-rows: var(--cell) var(--cell);
  row-gap:0;
  align-content:start;
}
.home-nav a{
  margin:0;
  font-size:28px;
  line-height:1;
  height:var(--cell);
  display:flex;
  align-items:flex-end;   /* bottom of the cell */
  justify-content:flex-start; /* left edge of the cell */
  white-space:nowrap;
}


/* Header: grid continues, except top-right 2 cells reserved for text logo */
.grid-overlay.header-cut::after{
  content:"";
  position:absolute;
  /* mask ONLY inner grid lines inside the reserved area, keep outer borders visible */
  top:var(--line);
  right:var(--line);
  width:calc((var(--cell) * 2) - (var(--line) * 1));
  height:calc(var(--cell) - (var(--line) * 1));
  background:var(--bg);
  pointer-events:none;
}


/* Video: centered smaller inside the black square (like the reference) */
.home-hero{
  display:flex;
  align-items:center;
  justify-content:center;
}
.home-hero-inner{
  width:70%;
  height:70%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.home-hero-inner video{
  width:100%;
  height:100%;
  object-fit:contain;
  background:#000;
}

/* Sound toggle */
.sound-toggle{
  position:absolute;
  right:calc(var(--cell) * 0.5);
  bottom:calc(var(--cell) * 0.5);
  z-index:5;
  border:var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:12px;
  padding:8px 10px;
  cursor:pointer;
}
.sound-toggle.hidden{ display:none; }

/* Video zoom modal (homepage) */
.video-zoom-modal{
  position:fixed;
  inset:0;
  z-index:30;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,0.75);
  padding:var(--margin);
}
.video-zoom-modal.open{ display:flex; }

.video-zoom-card{
  width:min(980px, 92vw);
  height:min(640px, 84vh);
  background:var(--bg);
  border:var(--line) solid var(--grid);
  position:relative;
  overflow:hidden;
}
.video-zoom-card video{
  width:100%;
  height:100%;
  object-fit:contain;
  background:#000;
  display:block;
  transform-origin:center center;
}
.video-zoom-close{
  position:absolute;
  top:10px;
  right:10px;
  width:40px;
  height:40px;
  border:var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:20px;
  cursor:pointer;
  z-index:2;
}
.video-zoom-controls{
  position:absolute;
  left:10px;
  bottom:10px;
  display:flex;
  gap:10px;
  z-index:2;
}
.video-zoom-btn{
  width:44px;
  height:44px;
  border:var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:22px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* Video zoom stage (scales as one piece) */
.video-zoom-card{ overflow:hidden; }
.video-zoom-stage{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#000;
  transform-origin:center center;
  transition:transform 120ms linear;
}
.video-zoom-stage video{
  width:100%;
  height:100%;
  object-fit:contain;
  background:#000;
  display:block;
}
.video-zoom-sound{
  position:absolute;
  top:10px;
  left:10px;
  height:40px;
  padding:0 12px;
  border:var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:12px;
  cursor:pointer;
  z-index:3;
  text-transform:uppercase;
  letter-spacing:0.5px;
}

/* Video zoom modal — exhibition-style frame */
.video-zoom-modal{
  position:fixed;
  inset:0;
  z-index:40;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,0.65);
  padding:var(--margin);
}
.video-zoom-modal.open{ display:flex; }

.video-zoom-frame{
  width:min(1200px, 92vw);
  height:min(720px, 86vh);
  background:var(--bg);
  border:var(--line) solid var(--grid);
  position:relative;
  overflow:hidden;
}

.video-zoom-media{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#000;
}
.video-zoom-media video{
  width:100%;
  height:100%;
  object-fit:contain; /* never cropped */
  background:#000;
  display:block;
}

.video-zoom-close{
  position:absolute;
  top:10px;
  right:10px;
  width:44px;
  height:44px;
  border:var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:22px;
  cursor:pointer;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:center;
}
.video-zoom-sound{
  position:absolute;
  top:10px;
  left:10px;
  height:44px;
  padding:0 12px;
  border:var(--line) solid var(--grid);
  background:var(--bg);
  color:var(--fg);
  font-size:12px;
  cursor:pointer;
  z-index:2;
  text-transform:uppercase;
  letter-spacing:0.5px;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* Force Vitra logo to match homepage placement */
.vitra-homepos{
  grid-column:1 / 2;
  grid-row:8 / 9;
  display:flex;
  align-items:center;
  justify-content:center;
}




.link-arrow{
  display:inline-block;
  font-size:14px;
  text-decoration:none;
  color:inherit;
  line-height:1.6;
}

/* Enforce Vitra logo size globally */
.vitra-cell > img{ width:58px; height:auto; display:block; }


.modal.open{
  display:grid;
  grid-template-columns: repeat(var(--cols), var(--cell));
  grid-template-rows: repeat(var(--rows), var(--cell));
  justify-content:center;
  align-content:center;
  gap:0;
}
.modal-card{
  width:100%;
  height:100%;
  grid-column: 2 / 12;
  grid-row: 2 / 8;
}
@media (max-width: 700px){
  .modal.open{
    grid-template-columns: repeat(var(--cols), var(--cell));
    grid-template-rows: repeat(var(--rows), var(--cell));
  }
  .modal-card{
    grid-column: 1 / 7;
    grid-row: 2 / 12;
    grid-template-columns: 1fr;
  }
  .modal-img{ border-right:none; border-bottom: var(--line) solid var(--grid-soft); }
}
.modal-copy h3{ white-space:normal; }
.modal-forced-lines{ margin:0; }


/* --- Modal snap to grid (THE EXHIBITION) --- */
.modal{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.55);
  opacity:0;
  pointer-events:none;
  z-index:50;
}
.modal.open{ opacity:1; pointer-events:auto; }

.modal-card{
  position:fixed;
  /* snap to desktop grid: columns 2-12, rows 2-8 */
  left: calc(50% - (var(--gridW) * var(--scale))/2 + (var(--cell) * var(--scale)));
  top:  calc(50% - (var(--gridH) * var(--scale))/2 + (var(--cell) * var(--scale)));
  width:  calc(var(--cell) * 10 * var(--scale));
  height: calc(var(--cell) * 6 * var(--scale));
  border: var(--line) solid var(--grid-soft);
  background:#0b0b0b;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  overflow:hidden;
}

/* Bigger, clearer text in modal */
.modal-copy{
  padding:22px 22px 54px 22px;
  overflow:auto;
  font-size:17px;
  line-height:1.4;
}
.modal-copy h3{
  margin:0 0 22px 0;
  font-size:24px;
  line-height:1.15;
}
.modal-forced-lines{
  font-size:17px;
  line-height:1.4;
}

/* Buttons keep their places inside the frame */
.modal-close, .modal-prev, .modal-next{
  position:absolute;
  z-index:3;
}

@media (max-width: 700px){
  .modal-card{
    /* snap to mobile grid: columns 1-7, rows 2-12 */
    left: calc(50% - (var(--gridW) * var(--scale))/2);
    top:  calc(50% - (var(--gridH) * var(--scale))/2 + (var(--cell) * var(--scale)));
    width:  calc(var(--cell) * 6 * var(--scale));
    height: calc(var(--cell) * 10 * var(--scale));
    grid-template-columns: 1fr;
  }
  .modal-img{
    border-right:none;
    border-bottom: var(--line) solid var(--grid-soft);
  }
}

/* mobile vitra clamp */
@media (max-width: 700px){
  .vitra-cell > img{ width:52px; }
}








/* ===== MOBILE HOMEPAGE FINAL OVERRIDE (GRID-STRICT v10) ===== */
@media (max-width: 700px){
  body[data-page="home"] .home-mark{
    grid-column:1 / 2 !important;
    grid-row:1 / 2 !important;
    justify-self:center !important;
    align-self:center !important;
  }
  body[data-page="home"] .home-word{
    grid-column:5 / 7 !important;
    grid-row:1 / 2 !important;
    justify-self:center !important;
    align-self:center !important;
    text-align:center !important;
  }

  /* Navigation – aligned on bottom of rows, moved down one row */
  body[data-page="home"] .home-nav{
    grid-column:2 / 6 !important;
    grid-row:3 / 5 !important; /* rows 3 and 4 */
    display:grid !important;
    grid-template-rows: var(--cell) var(--cell) !important;
    align-items:end !important; /* bottom alignment */
    justify-items:start !important;
  }
  body[data-page="home"] .home-nav a{
    font-size:30px !important;
    line-height:1.05 !important;
    margin:0 !important;
    padding:0 !important;
    align-self:end !important;
  }
  body[data-page="home"] .home-nav a:nth-child(1){
    grid-row:1 !important; /* line 3 */
  }
  body[data-page="home"] .home-nav a:nth-child(2){
    grid-row:2 !important; /* line 4 */
  }

  /* Video – 3 rows high, moved down 2 rows */
  body[data-page="home"] .home-hero{
    grid-column:2 / 6 !important; /* margins */
    grid-row:7 / 10 !important; /* rows 7,8,9 */
  }
  body[data-page="home"] .home-hero-inner{
    width:100% !important;
    height:100% !important;
  }
  body[data-page="home"] .home-hero video{
    width:100% !important;
    height:100% !important;
    object-fit:contain !important;
  }

  body[data-page="home"] .vitra-cell{
    grid-column:1 / 2 !important;
    grid-row:12 / 13 !important;
    justify-self:center !important;
    align-self:center !important;
  }
}


/* ===== MOBILE EXHIBITION LAYOUT OVERRIDE (GRID-STRICT) ===== */
@media (max-width: 700px){
  body[data-page="exhibition"] .page-title{
    grid-column:2 / 6 !important;
    grid-row:2 / 3 !important;
    align-self:end !important;
    justify-self:start !important;
    margin:0 !important;
  }
  body[data-page="exhibition"] .page-copy{
    grid-column:2 / 6 !important;
    grid-row:3 / 6 !important;
    align-self:start !important;
    justify-self:start !important;
    margin:0 !important;
  }
  /* Steps thumbnails (4) */
  body[data-page="exhibition"] .steps-grid{
    display:contents !important;
  }
  body[data-page="exhibition"] .step-thumb{width:100% !important;height:100% !important;display:flex !important;align-items:stretch !important;justify-content:stretch !important;padding:0 !important;margin:0 !important;box-sizing:border-box !important;}
  body[data-page="exhibition"] .step-thumb img{width:100% !important;height:100% !important;object-fit:contain !important;display:block !important;}
  
  
  
  
}


/* ===== MOBILE GLOBAL BRAND PLACEMENT (LOCKED) ===== */
@media (max-width: 700px){
  .home-mark{
    grid-column:1 / 2 !important;
    grid-row:1 / 2 !important;
    justify-self:center !important;
    align-self:center !important;
  }
  .home-word{
    grid-column:5 / 7 !important;
    grid-row:1 / 2 !important;
    justify-self:center !important;
    align-self:center !important;
    text-align:center !important;
    padding:0 !important;
  }
  .vitra-cell{
    grid-column:1 / 2 !important;
    grid-row:12 / 13 !important;
    justify-self:center !important;
    align-self:center !important;
  }
}


/* ===== MOBILE EXHIBITION TEXT FIX ===== */
@media (max-width: 700px){
  body[data-page="exhibition"] .page-copy{
    grid-column:2 / 5 !important; /* stop before last column */
    grid-row:5 / 8 !important;    /* pushed down 2 rows from title */
  }
}


/* ===== MOBILE EXHIBITION TEXT + STEPS PLACEMENT FIX v4 ===== */
@media (max-width: 700px){
  body[data-page="exhibition"] .exhibition-text{
    grid-column:2 / 6 !important; /* stop before last column (6) */
    grid-row:5 / 8 !important;    /* down 2 cells */
  }
  /* keep steps below text */
  
  
  
  
}

@media (max-width: 700px){
  body[data-page="exhibition"] .step-thumb:nth-child(1){grid-column:2 / 4 !important;grid-row:9 / 11 !important;}
  body[data-page="exhibition"] .step-thumb:nth-child(2){grid-column:4 / 6 !important;grid-row:9 / 11 !important;}
  body[data-page="exhibition"] .step-thumb:nth-child(3){grid-column:2 / 4 !important;grid-row:11 / 13 !important;}
  body[data-page="exhibition"] .step-thumb:nth-child(4){grid-column:4 / 6 !important;grid-row:11 / 13 !important;}
}


/* ===== MOBILE EXHIBITION STEPS PLACEMENT (DATA-STEP) ===== */
@media (max-width: 700px){
  body[data-page="exhibition"] .step-thumb{
    padding:0 !important;
    margin:0 !important;
  }
  body[data-page="exhibition"] .step-thumb img{
    width:100% !important;
    height:100% !important;
    object-fit:contain !important;
    display:block !important;
  }
  body[data-page="exhibition"] .step-thumb[data-step="0"]{ grid-column:2 / 4 !important; grid-row:9 / 11 !important; }
  body[data-page="exhibition"] .step-thumb[data-step="1"]{ grid-column:4 / 6 !important; grid-row:9 / 11 !important; }
  body[data-page="exhibition"] .step-thumb[data-step="2"]{ grid-column:2 / 4 !important; grid-row:11 / 13 !important; }
  body[data-page="exhibition"] .step-thumb[data-step="3"]{ grid-column:4 / 6 !important; grid-row:11 / 13 !important; }
}


/* ===== MOBILE EXHIBITION TEXT SIZE (v8) ===== */
@media (max-width: 700px){
  body[data-page="exhibition"] .exhibition-text,
  body[data-page="exhibition"] .page-copy,
  body[data-page="exhibition"] .copy{
    font-size:12px !important;
    line-height:1.25 !important;
  }
}


/* ===== MOBILE EXHIBITION STEPS – SINGLE CELL (v8) ===== */
@media (max-width: 700px){
  body[data-page="exhibition"] .steps-grid{ display:contents !important; }

  body[data-page="exhibition"] .step-thumb{
    width:100% !important;
    height:100% !important;
    padding:0 !important;
    margin:0 !important;
    box-sizing:border-box !important;
    display:flex !important;
    align-items:center !important;
    justify-content:center !important;
    overflow:hidden !important;
  }
  body[data-page="exhibition"] .step-thumb img{
    width:100% !important;
    height:100% !important;
    object-fit:contain !important;
    display:block !important;
  }

  /* Numbered cells on the reference:
     1: col 2 row 9
     2: col 5 row 9
     3: col 2 row 11
     4: col 5 row 11
  */
  body[data-page="exhibition"] .step-thumb[data-step="0"]{ grid-column:2 / 3 !important; grid-row:9 / 10 !important; }
  body[data-page="exhibition"] .step-thumb[data-step="1"]{ grid-column:5 / 6 !important; grid-row:9 / 10 !important; }
  body[data-page="exhibition"] .step-thumb[data-step="2"]{ grid-column:2 / 3 !important; grid-row:11 / 12 !important; }
  body[data-page="exhibition"] .step-thumb[data-step="3"]{ grid-column:5 / 6 !important; grid-row:11 / 12 !important; }

  /* Fallback if data-step isn't present */
  body[data-page="exhibition"] .steps-grid .step-thumb:nth-of-type(1){ grid-column:2 / 3 !important; grid-row:9 / 10 !important; }
  body[data-page="exhibition"] .steps-grid .step-thumb:nth-of-type(2){ grid-column:5 / 6 !important; grid-row:9 / 10 !important; }
  body[data-page="exhibition"] .steps-grid .step-thumb:nth-of-type(3){ grid-column:2 / 3 !important; grid-row:11 / 12 !important; }
  body[data-page="exhibition"] .steps-grid .step-thumb:nth-of-type(4){ grid-column:5 / 6 !important; grid-row:11 / 12 !important; }
}










/* ===== MOBILE EXHIBITION MODAL – CARD FILLS ALL CENTER CELLS (outer ring = margin) (v14) ===== */
@media (max-width:700px){
  /* Fullscreen dim, but modal card is snapped to the mobile grid-shell */
  body[data-page="exhibition"] #modal{
    position:fixed !important;
    inset:0 !important;
    z-index:9999 !important;
    background:rgba(0,0,0,0.75) !important;
  }

  /* Card occupies the WHOLE center area: gridW/H minus 1 cell on each side */
  body[data-page="exhibition"] #modal .modal-card{
    position:absolute !important;
    left:50% !important;
    top:50% !important;
    transform:translate(-50%,-50%) scale(var(--scale,1)) !important;
    transform-origin:center !important;

    /* snap to inner grid boundaries (outer ring kept as margin) */
    width: calc(var(--gridW) - (2 * var(--cell))) !important;
    height: calc(var(--gridH) - (2 * var(--cell))) !important;

    /* keep the framed look */
    display:grid !important;
    grid-template-columns:1fr !important;
    grid-template-rows: 1.1fr 0.9fr !important; /* image top, text bottom — more room for text */
    overflow:hidden !important;
  }

  /* IMAGE (top) */
  body[data-page="exhibition"] #modal .modal-img{
    grid-column:1 / -1 !important;
    grid-row:1 / 2 !important;
    margin:0 !important;
    padding:0 !important;
    display:flex !important;
    align-items:center !important;
    justify-content:center !important;
    overflow:hidden !important;
  }
  body[data-page="exhibition"] #modal .modal-img img{
    width:100% !important;
    height:100% !important;
    object-fit:contain !important;
    display:block !important;
  }

  /* TEXT (bottom) — scrollable */
  body[data-page="exhibition"] #modal .modal-copy{
    grid-column:1 / -1 !important;
    grid-row:2 / 3 !important;
    margin:0 !important;
    padding:14px 14px 80px 14px !important;
    overflow-y:auto !important;
    -webkit-overflow-scrolling:touch !important;
  }
  body[data-page="exhibition"] #modal .modal-copy h3{
    margin:0 0 18px 0 !important;
  }
  body[data-page="exhibition"] #modal #modal-body{
    margin:0 !important;
  }

  /* Controls inside the frame */
  body[data-page="exhibition"] #modal .modal-close{
    position:absolute !important;
    top:12px !important;
    right:12px !important;
    z-index:10000 !important;
  }
  body[data-page="exhibition"] #modal .modal-prev{
    position:absolute !important;
    left:12px !important;
    bottom:12px !important;
    z-index:10000 !important;
  }
  body[data-page="exhibition"] #modal .modal-next{
    position:absolute !important;
    right:12px !important;
    bottom:12px !important;
    z-index:10000 !important;
  }
}

/* ===== Lock background scroll when modal is open (prevents grid shift) ===== */
html.ib-modal-open, body.ib-modal-open{
  overflow:hidden !important;
}



/* ===== MOBILE EXHIBITION MODAL – JS-LOCKED TO GRID (v21) ===== */
@media (max-width:700px){
  body[data-page="exhibition"] #modal .modal-card{
    /* JS will set left/top/width/height so it matches the grid with a 1-cell contour */
    position:fixed !important;
    margin:0 !important;
    transform:none !important;
    left:var(--modalL, 0px) !important;
    top:var(--modalT, 0px) !important;
    width:var(--modalW, 100px) !important;
    height:var(--modalH, 100px) !important;
  }
}


/* ===== MOBILE PDF PAGE (notice / edition) – GRID-STRICT ===== */
@media (max-width: 700px) {
  /* Header brand already handled by global mobile rules */

  /* Backlink: col 1, row 2, centered in cell */
  body[data-page="pdf"] .backlink {
    grid-column: 1 / 2 !important;
    grid-row: 2 / 3 !important;
    justify-self: center !important;
    align-self: center !important;
    font-size: 12px !important;
  }

  /* PDF frame: col 2–6, row 2–11 → leaves row 1 for header, row 12 for vitra */
  body[data-page="pdf"] .pdf-frame {
    grid-column: 2 / 7 !important;
    grid-row: 2 / 12 !important;
    width: 100% !important;
    height: 100% !important;
    border: var(--border) solid var(--grid) !important;
    display: block !important;
  }

  /* Vitra: col 1, row 12 */
  body[data-page="pdf"] .vitra-cell {
    grid-column: 1 / 2 !important;
    grid-row: 12 / 13 !important;
    justify-self: center !important;
    align-self: center !important;
  }
}


/* ===== MOBILE BOX PAGE – GRID-STRICT v3 ===== */
@media (max-width: 700px) {
  /* Backlink col 1, row 2 */
  body[data-page="box"] .backlink {
    grid-column: 1 / 2 !important;
    grid-row: 2 / 3 !important;
    justify-self: center !important;
    align-self: center !important;
  }
  /* Titre: row 2, aligné en bas, marge droite = col 6 libre */
  body[data-page="box"] .exhibition-title {
    grid-column: 2 / 6 !important;
    grid-row: 2 / 3 !important;
    font-size: 22px !important;
    align-self: end !important;
    justify-self: start !important;
  }
  /* Texte: rows 3->7, marge droite = col 6 libre */
  body[data-page="box"] .exhibition-text {
    grid-column: 2 / 6 !important;
    grid-row: 3 / 7 !important;
    font-size: 12px !important;
    line-height: 1.35 !important;
    align-self: start !important;
    justify-self: start !important;
    overflow: hidden !important;
  }
  /* Boutons: row 7, alignés en bas */
  body[data-page="box"] .box-buttons {
    grid-column: 2 / 6 !important;
    grid-row: 7 / 8 !important;
    align-self: end !important;
    justify-self: start !important;
    font-size: 14px !important;
    line-height: 1.8 !important;
  }
  /* Vitra: col 1, row 12 */
  body[data-page="box"] .vitra-cell {
    grid-column: 1 / 2 !important;
    grid-row: 12 / 13 !important;
    justify-self: center !important;
    align-self: center !important;
  }
}


/* ===== MOBILE PDF PAGE – CADRE 1 CELLULE TOUT AUTOUR ===== */
@media (max-width: 700px) {
  body[data-page="pdf"] .backlink {
    grid-column: 1 / 2 !important;
    grid-row: 2 / 3 !important;
    justify-self: center !important;
    align-self: center !important;
    font-size: 12px !important;
  }

  /* 
    Grille 6×12. 
    Contour d'1 cellule = col 2→6 (1 cellule de marge à gauche ET à droite), row 2→12
    Mais col 7 n'existe pas (grille s'arrête à 6) → bord droit = fin de grille (col 7 = bord externe)
    On utilise grid-column: 2 / 7 et on force un padding-right d'une cellule via margin
  */
  body[data-page="pdf"] .pdf-frame {
    grid-column: 2 / 6 !important;  /* col 2 à 5 : laisse col 6 libre (marge droite) */
    grid-row: 2 / 12 !important;    /* row 2 à 11 : laisse row 12 pour vitra */
    width: 100% !important;
    height: 100% !important;
    border: var(--border) solid var(--grid) !important;
    display: block !important;
  }

  body[data-page="pdf"] .vitra-cell {
    grid-column: 1 / 2 !important;
    grid-row: 12 / 13 !important;
    justify-self: center !important;
    align-self: center !important;
  }
}


/* ===== MOBILE EXHIBITION MODAL – SCROLL DU TEXTE ===== */
@media (max-width: 700px) {
  /* Autoriser le scroll dans la zone texte du modal */
  body[data-page="exhibition"] #modal .modal-copy {
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    /* padding-bottom suffisant pour que le texte ne soit pas caché par les boutons nav */
    padding: 16px 16px 80px 16px !important;
  }
  body[data-page="exhibition"] #modal #modal-body {
    overflow: visible !important;
  }
  /* Le titre h3 reste lisible, taille réduite pour laisser de la place au texte */
  body[data-page="exhibition"] #modal .modal-copy h3 {
    font-size: 18px !important;
    line-height: 1.15 !important;
    margin: 0 0 12px 0 !important;
  }
  body[data-page="exhibition"] #modal .modal-copy p,
  body[data-page="exhibition"] #modal .modal-forced-lines {
    font-size: 13px !important;
    line-height: 1.35 !important;
    margin: 0 0 8px 0 !important;
  }
}


/* ===== MOBILE EXHIBITION MODAL – SCROLL FINAL (surcharge tous les blocs précédents) ===== */
@media (max-width: 700px) {
  /* Le conteneur texte DOIT scroller — aucune règle parente ne peut bloquer */
  body[data-page="exhibition"] #modal .modal-copy {
    overflow-y: scroll !important;          /* force scroll même si le contenu tient */
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    padding: 14px 14px 90px 14px !important;
    /* hauteur explicite pour que le scroll soit actif */
    max-height: 100% !important;
    box-sizing: border-box !important;
  }
  /* Les <p> doivent avoir une vraie hauteur */
  body[data-page="exhibition"] #modal .modal-forced-lines {
    display: block !important;
    font-size: 13px !important;
    line-height: 1.4 !important;
    margin: 0 0 10px 0 !important;
    white-space: normal !important;
  }
  body[data-page="exhibition"] #modal #modal-body {
    display: block !important;
    overflow: visible !important;
  }
  /* Titre compact */
  body[data-page="exhibition"] #modal .modal-copy h3 {
    font-size: 16px !important;
    line-height: 1.2 !important;
    margin: 0 0 10px 0 !important;
    white-space: normal !important;
  }
}