/* ==========================================================================
   Composants spécifiques
   ========================================================================== */

/* ---------- HERO ACCUEIL ---------- */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:flex-end;
  padding:170px 0 90px; overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:0;
}
.hero-bg picture{ display:block; width:100%; height:100%; }
.hero-bg img{
  width:100%; height:100%; object-fit:cover; border-radius:0; border:none;
  transform-origin:100% 60%;
}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg,
      rgba(10,13,18,0)    0%,
      rgba(10,13,18,0)    42%,
      rgba(10,13,18,0.35) 62%,
      rgba(10,13,18,0.78) 82%,
      rgba(10,13,18,0.96) 100%),
    linear-gradient(90deg,
      rgba(10,13,18,0.40) 0%,
      rgba(10,13,18,0)    55%);
  -webkit-mask-image: linear-gradient(180deg, transparent 40%, #000 75%);
          mask-image: linear-gradient(180deg, transparent 40%, #000 75%);
}
.hero-content{ position:relative; z-index:2; max-width:900px; }

.hero-content h1{
  font-size:clamp(52px,9vw,100px); line-height:0.94; margin-top:22px;
  letter-spacing:-0.01em;
  
}
.hero-content h1 em{ font-style:normal; color:var(--wind); }
.hero-content h1 .line{ display:block; overflow:hidden; padding-bottom:0.08em; }
.hero-content h1 .line span{
  display:inline-block; transform:translateY(112%); opacity:0;
  animation:lineup .95s cubic-bezier(.19,1,.22,1) forwards;
}
.hero-content h1 .line:nth-child(1) span{ animation-delay:.15s; }
.hero-content h1 .line:nth-child(2) span{ animation-delay:.30s; }
.hero-content h1 .line:nth-child(3) span{ animation-delay:.45s; }
@keyframes lineup{ to{ transform:translateY(0); opacity:1; } }
.hero-content .eyebrow{ opacity:0; animation:fadein .7s ease forwards; animation-delay:.05s; }
.hero-content .lede{ margin-top:24px; font-size:18px; color:#d8d4c8; max-width:520px; opacity:0; animation:fadein .8s ease forwards; animation-delay:.7s; text-shadow:0 2px 14px rgba(0,0,0,0.75), 0 1px 3px rgba(0,0,0,0.85); }
.hero-actions{ margin-top:38px; display:flex; gap:14px; flex-wrap:wrap; opacity:0; animation:fadein .8s ease forwards; animation-delay:.85s; }
.hero-actions .btn:not(.btn-solid){ background:rgba(10,13,18,0.45); backdrop-filter:blur(6px); }
@keyframes fadein{ from{ opacity:0; transform:translateY(8px);} to{ opacity:1; transform:translateY(0);} }
@media (prefers-reduced-motion:reduce){
  .hero-content h1 .line span, .hero-content .eyebrow, .hero-content .lede, .hero-actions{ animation:none; opacity:1; transform:none; }
}
.hero-scroll{
  position:absolute; right:32px; bottom:28px; z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  font-family:var(--mono); font-size:11px; color:var(--text-faint); letter-spacing:0.14em;
}
.hero-scroll .line{ width:1px; height:46px; background:linear-gradient(var(--wind), transparent); animation:scrollpulse 2s ease-in-out infinite; }
@keyframes scrollpulse{ 0%,100%{opacity:.3;} 50%{opacity:1;} }

/* ---------- WIND DIAGRAM (signature element) ---------- */
.diagram-wrap{
  background:var(--panel); border:1px solid var(--line); border-radius:16px;
  padding:20px; overflow:hidden;
}
.flow-hot{ stroke:var(--heat); }
.flow-cool{ stroke:var(--wind); }
.flow-dash{
  stroke-dasharray:6 10; stroke-width:2; fill:none; stroke-linecap:round;
  animation:flowmove 2.4s linear infinite;
}
@keyframes flowmove{ to{ stroke-dashoffset:-160; } }
.pulse-dot{ animation:dotpulse 2.2s ease-in-out infinite; transform-origin:center; }
@keyframes dotpulse{ 0%,100%{ opacity:.25; r:3; } 50%{ opacity:1; r:5; } }
.diagram-label{ font-family:var(--mono); font-size:10.5px; fill:var(--text-faint); letter-spacing:.04em; }
.diagram-label.wind{ fill:var(--wind); }
.diagram-label.heat{ fill:var(--heat); }

/* ---------- process (cycle jour/nuit — vraie séquence) ---------- */
.process{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden; }
.process-step{ background:var(--panel); padding:38px; }
.process-step .step-idx{ font-family:var(--mono); font-size:12px; color:var(--text-faint); }
.process-step h3{ font-size:23px; margin-top:12px; display:flex; align-items:center; gap:10px; }
.process-step p{ margin-top:14px; color:var(--text-muted); font-size:15px; }
.process-step.night{ background:#0d1117; }
.step-icon{ width:20px; height:20px; }

/* ---------- typology / region grid ---------- */
.typo-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.typo-card figure img{ aspect-ratio:4/3; object-fit:cover; width:100%; }
.typo-card{ }
.typo-card .region{ font-family:var(--mono); font-size:12px; color:var(--heat); margin-top:16px; }
.typo-card h3{ font-size:20px; margin-top:8px; }
.typo-card p{ margin-top:10px; color:var(--text-muted); font-size:14.5px; }

.region-list{ display:grid; grid-template-columns:1fr 1fr; gap:40px 60px; }
.region-item{ display:flex; gap:18px; padding:22px 0; border-top:1px solid var(--line); }
.region-item:nth-last-child(-n+1), .region-item:nth-last-child(-n+2){ }
.region-coord{ font-family:var(--mono); font-size:12px; color:var(--wind); white-space:nowrap; padding-top:3px; }
.region-item h4{ font-size:17px; }
.region-item p{ margin-top:6px; color:var(--text-muted); font-size:14px; }

/* ---------- research / study blocks ---------- */
.study-row{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:center; }
.study-row.rev{ grid-template-columns:1.1fr 0.9fr; }
.study-row.rev .study-media{ order:2; }
.study-media img{ width:100%; }
.study-text .eyebrow{ margin-bottom:16px; }
.study-text h3{ font-size:clamp(24px,2.6vw,32px); }
.study-text p{ margin-top:16px; color:var(--text-muted); font-size:15.5px; }
.study-meta{ display:flex; gap:28px; margin-top:26px; flex-wrap:wrap; }
.study-meta div{ font-family:var(--mono); }
.study-meta .v{ color:var(--wind); font-size:15px; }
.study-meta .k{ color:var(--text-faint); font-size:11.5px; margin-top:4px; letter-spacing:.05em; text-transform:uppercase; }

.doc-list{ display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:12px; overflow:hidden; margin-top:16px;}
.doc-row{ background:var(--panel); display:flex; align-items:center; justify-content:space-between; padding:18px 22px; transition:background .2s ease; }
.doc-row:hover{ background:var(--panel-2); }
.doc-row .doc-name{ font-family:var(--mono); font-size:13.5px; }
.doc-row .doc-meta{ font-family:var(--mono); font-size:11.5px; color:var(--text-faint); margin-top:4px; }
.doc-row .dl{ font-family:var(--mono); font-size:12px; color:var(--wind); flex-shrink:0; margin-left:20px; }

/* ---------- gallery ---------- */
.gallery{ columns:3 260px; column-gap:16px; }
.gallery figure{ break-inside:avoid; margin-bottom:16px; cursor:zoom-in; position:relative; overflow:hidden; border-radius:12px; }
.gallery figure img{ border-radius:12px; width:100%; transition:transform .5s ease; display:block; }
.gallery figure:hover img{ transform:scale(1.045); }
.gallery figure .gcap{
  position:absolute; left:0; right:0; bottom:0; padding:14px 16px;
  background:linear-gradient(0deg, rgba(10,13,18,0.92), transparent);
  font-family:var(--mono); font-size:11.5px; color:var(--text);
  opacity:0; transition:opacity .25s ease;
}
.gallery figure:hover .gcap{ opacity:1; }

.lightbox{
  position:fixed; inset:0; z-index:200; background:rgba(6,8,11,0.95);
  display:flex; align-items:center; justify-content:center; padding:40px;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox img{ max-width:90vw; max-height:82vh; border-radius:8px; border:1px solid var(--line-strong); }
.lightbox .lb-cap{ position:absolute; bottom:34px; left:0; right:0; text-align:center; font-family:var(--mono); font-size:12.5px; color:var(--text-muted); }
.lightbox .lb-close{
  position:absolute; top:28px; right:32px; width:42px; height:42px; border-radius:50%;
  border:1px solid var(--line-strong); display:flex; align-items:center; justify-content:center;
  cursor:pointer; font-family:var(--mono); color:var(--text);
}
.lightbox .lb-close:hover{ border-color:var(--wind); color:var(--wind); }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:70px; }
.field{ margin-bottom:22px; }
.field label{ display:block; font-family:var(--mono); font-size:12px; letter-spacing:.05em; text-transform:uppercase; color:var(--text-faint); margin-bottom:9px; }
.field input, .field textarea{
  width:100%; background:var(--panel); border:1px solid var(--line-strong); border-radius:8px;
  padding:14px 16px; color:var(--text); font-family:var(--body); font-size:15px; resize:vertical;
  transition:border-color .2s ease, background .2s ease;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--wind); background:var(--panel-2); }
.field textarea{ min-height:140px; }
.contact-info-item{ display:flex; gap:16px; padding:20px 0; border-top:1px solid var(--line); }
.contact-info-item:first-child{ border-top:none; }
.contact-info-item .k{ font-family:var(--mono); font-size:11.5px; color:var(--text-faint); letter-spacing:.05em; text-transform:uppercase; width:110px; flex-shrink:0; padding-top:2px; }
.contact-info-item .v{ font-size:15px; color:var(--text); }
.contact-info-item .v span{ display:block; color:var(--text-muted); font-size:13.5px; margin-top:3px; }

.map-strip{
  margin-top:8px; border:1px solid var(--line); border-radius:14px; overflow:hidden; position:relative; height:260px;
  background:
    radial-gradient(circle at 30% 40%, rgba(242,165,60,0.12), transparent 60%),
    radial-gradient(circle at 75% 65%, rgba(226,84,42,0.10), transparent 55%),
    var(--panel);
}

/* ---------- compass simulator ---------- */
.compass-wrap{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:48px; align-items:center;
  background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:44px;
}
.compass-readout{ font-family:var(--mono); }
.compass-readout .rd-angle{ font-size:52px; color:var(--wind); line-height:1; }
.compass-readout .rd-state{ margin-top:14px; font-size:14px; color:var(--text); }
.compass-readout .rd-state b{ color:var(--heat); font-weight:500; }
.compass-slider{ margin-top:28px; }
.compass-slider input[type="range"]{
  -webkit-appearance:none; width:100%; height:2px; background:var(--line-strong); border-radius:2px; outline:none;
}
.compass-slider input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; width:18px; height:18px; border-radius:50%;
  background:var(--wind); cursor:pointer; box-shadow:0 0 14px rgba(242,165,60,0.6); border:2px solid var(--void);
}
.compass-slider input[type="range"]::-moz-range-thumb{
  width:18px; height:18px; border-radius:50%; background:var(--wind); cursor:pointer; border:2px solid var(--void);
}
.compass-slider .labels{ display:flex; justify-content:space-between; margin-top:10px; font-family:var(--mono); font-size:11px; color:var(--text-faint); }
#compass-arrow{ transform-origin:210px 210px; transition:transform .35s cubic-bezier(.22,1,.36,1); }
.compass-conduit{ transition:fill .35s ease, opacity .35s ease; }
.compass-legend{ display:flex; gap:22px; margin-top:24px; flex-wrap:wrap; }
.compass-legend span{ display:flex; align-items:center; gap:8px; font-family:var(--mono); font-size:11.5px; color:var(--text-muted); }
.compass-legend i{ width:10px; height:10px; border-radius:2px; display:inline-block; }

/* ---------- video cards ---------- */
.video-group{ margin-bottom:64px; }
.video-group h3{ font-size:20px; margin-bottom:4px; }
.video-group .vcount{ font-family:var(--mono); font-size:12px; color:var(--text-faint); }
.video-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:22px; }
.video-card{
  position:relative; border-radius:12px; overflow:hidden; aspect-ratio:16/9;
  background:var(--panel-2); border:1px solid var(--line); cursor:pointer;
}
.video-card img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease, filter .4s ease; filter:saturate(0.75) brightness(0.75); }
.video-card:hover img{ transform:scale(1.06); filter:saturate(1) brightness(0.85); }
.video-card .play{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
}
.video-card .play span{
  width:56px; height:56px; border-radius:50%; background:rgba(10,13,18,0.55);
  border:1px solid rgba(237,234,225,0.35); backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center; transition:all .25s ease;
}
.video-card:hover .play span{ background:var(--wind); border-color:var(--wind); }
.video-card:hover .play svg path{ fill:#241300; }
.video-card .play svg{ width:16px; height:16px; margin-left:3px; }
.video-card .play svg path{ fill:#ede9e0; transition:fill .25s ease; }
.video-card iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

/* ---------- misc ---------- */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.kicker-num{ font-family:var(--mono); color:var(--text-faint); font-size:13px; }

@media (max-width:920px){
  .study-row, .study-row.rev{ grid-template-columns:1fr; }
  .study-row.rev .study-media{ order:0; }
  .typo-grid{ grid-template-columns:1fr 1fr; }
  .region-list{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; gap:40px; }
  .process{ grid-template-columns:1fr; }
  .two-col{ grid-template-columns:1fr; gap:32px;}
  .compass-wrap{ grid-template-columns:1fr; padding:28px; }
  .video-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .gallery{ columns:1 100%; }
  .typo-grid{ grid-template-columns:1fr; }
  /* Le bloc texte remonte : la marge basse en vh le décolle du bas de l'écran.
     Ajuster la valeur 18vh pour le monter (plus) ou le descendre (moins). */
  .hero{
    min-height:100svh;
    align-items:flex-end;
    padding:110px 0 18vh;
  }
  .hero-scroll{ display:none; }
  .video-grid{ grid-template-columns:1fr; }

  /* Le voile passe du bloc texte à l'image : plus de rectangle dégradé
     qui laisserait un bord net maintenant que le texte n'est plus en bas.
     Le padding latéral (28px) décolle titre et bouton des bords. */
  .hero-content{ background:none; padding:0 28px; }
  .hero-bg::after{
    background:linear-gradient(180deg,
      rgba(10,13,18,0)    0%,
      rgba(10,13,18,0.18) 22%,
      rgba(10,13,18,0.62) 45%,
      rgba(10,13,18,0.88) 68%,
      rgba(10,13,18,0.96) 100%);
    -webkit-mask-image:none; mask-image:none;
  }
}
.hero-tag{
  display:inline-flex; align-items:center; gap:10px;
  padding:7px 15px 7px 12px;
  border:1px solid rgba(237,234,225,0.18);
  background:rgba(10,13,18,0.40);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
          backdrop-filter:blur(12px) saturate(150%);
  font-family:var(--mono); font-size:11.5px; letter-spacing:0.13em; text-transform:uppercase;
  color:var(--text);
  opacity:0; animation:fadein .7s ease forwards; animation-delay:.1s;
}
.hero-tag i{
  width:6px; height:6px; background:var(--wind); flex-shrink:0;
  animation:tagPulse 2.8s ease-in-out infinite;
}
@keyframes tagPulse{
  0%,100%{ box-shadow:0 0 0 3px rgba(234,179,8,0.10); }
  50%    { box-shadow:0 0 0 6px rgba(234,179,8,0.22); }
}
@media (prefers-reduced-motion:reduce){ .hero-tag{ animation:none; opacity:1; } .hero-tag i{ animation:none; } }