/* =====================================================
   THALARK — CASE STUDY STYLES
   (complément au style.css existant)
   ===================================================== */

/* ── Hero case study ── */
.cs-hero {
  position: relative;
  height: 100vh; min-height: 600px;
  display: flex; align-items: flex-end;
  overflow: hidden;
  padding: 0 40px 80px;
}
.cs-hero-bg {
  position: absolute; inset: 0;
  background: url("../../IMG/aureon/hero.jpg") center center / cover no-repeat;
  transform: scale(1.05);
  animation: csHeroZoom 14s ease-out forwards;
}
@keyframes csHeroZoom { to { transform: scale(1); } }

.cs-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(45,45,43,.5) 0%, transparent 35%,
    transparent 52%, rgba(45,45,43,.88) 100%);
}
.cs-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(245,243,239,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,243,239,.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.cs-back-btn {
  position: fixed; top: 88px; left: 40px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-2);
  background: rgba(25,25,24,.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 999px;
  transition: color .25s, background .25s, border-color .25s;
  z-index: 50;
  text-decoration: none;
}
.cs-back-btn:hover {
  color: var(--ink);
  background: rgba(25,25,24,.88);
  border-color: rgba(255,255,255,.16);
}
.cs-back-btn::before { content: '←'; font-size: 12px; }

.cs-hero-content {
  position: relative; z-index: 5;
  width: 100%; max-width: 1500px; margin: 0 auto;
}
.cs-proj-num {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 18px;
  display: flex; align-items: center; gap: 16px;
}
.cs-proj-num::before { content:''; display:block; width:32px; height:1px; background:var(--ink-3); }
.cs-hero-title {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(72px, 14vw, 220px);
  line-height: .85; letter-spacing: -.05em;
  color: var(--ink); margin-bottom: 28px; overflow: hidden;
}
.cs-hero-title span { display:block; transform:translateY(110%); animation: rise 1.2s cubic-bezier(.16,1,.3,1) .2s forwards; }
.cs-hero-sub {
  display: flex; flex-wrap: wrap; gap: 32px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--ink-2);
}
.cs-hero-sub span:first-child { color:var(--ink); font-weight:600; }

/* ── Brief strip ── */
.cs-brief { background:var(--bg-2); border-bottom:1px solid var(--line); }
.cs-brief-inner {
  max-width: 1500px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: repeat(4,1fr);
}
.cs-bi {
  padding: 26px 22px;
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cs-bi:first-child { border-left: 1px solid var(--line); }
.cs-bi .lbl { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:8px; font-weight:500; }
.cs-bi .val { font-family:var(--display); font-size:15px; font-weight:500; color:var(--ink); letter-spacing:-.02em; line-height:1.3; }

/* ── Sections ── */
.cs-sec { padding: 120px 40px; }
.cs-sec + .cs-sec { border-top: 1px solid var(--line); }
.cs-inner { max-width: 1500px; margin: 0 auto; }
.cs-head { display:flex; align-items:baseline; gap:24px; margin-bottom:64px; }
.cs-num { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); font-weight:500; flex-shrink:0; }
.cs-ht {
  font-family:var(--display); font-weight:500;
  font-size: clamp(26px,4vw,50px); letter-spacing:-.03em; color:var(--ink); line-height:1;
}
.cs-ht em { font-weight:300; font-style:italic; color:var(--ink-3); }
.cs-hline { flex:1; height:1px; background:var(--line); }

/* ── Overview ── */
.cs-ov2 { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:start; }
.cs-desc {
  font-family:var(--display); font-size:clamp(16px,1.45vw,20px);
  font-weight:400; color:var(--ink-2); line-height:1.65; letter-spacing:-.01em;
}
.cs-desc em { font-style:italic; font-weight:300; color:var(--ink-3); }
.cs-desc p + p { margin-top:20px; }
.cs-hlrow { display:grid; grid-template-columns:44px 1fr; gap:18px; align-items:start; padding:18px 0; border-bottom:1px solid var(--line); }
.cs-hlrow:first-child { border-top:1px solid var(--line); }
.cs-hlico { font-family:var(--mono); font-size:11px; color:var(--ink-faint); font-weight:500; padding-top:2px; }
.cs-hltxt strong { display:block; font-family:var(--display); font-size:15px; font-weight:500; color:var(--ink); margin-bottom:4px; letter-spacing:-.01em; }
.cs-hltxt span { font-family:var(--display); font-size:13px; color:var(--ink-dim); line-height:1.5; }

/* ── Exterior render annotations ── */
.cs-ext-annot { max-width:1400px; margin:0 auto; padding:24px 60px 56px; display:grid; grid-template-columns:120px 1fr; gap:36px; align-items:start; }
.cs-ext-annot-label { font-family:var(--mono); font-size:10px; letter-spacing:.26em; text-transform:uppercase; color:var(--ink-faint); margin:0; padding-top:5px; }
.cs-ext-annot-text { font-family:var(--display); font-size:15px; line-height:1.65; color:var(--ink-2); margin:0; max-width:760px; }
.cs-ext-annot-text em { font-style:italic; color:var(--ink-3); }
.cs-ext-annot-text strong { color:var(--ink); font-weight:500; }

/* ── Concept ── */
.cs-concept-img { width:100%; border-radius:3px; display:block; }
.cs-concept-cap { margin-top:20px; font-family:var(--mono); font-size:11px; letter-spacing:.15em; text-transform:uppercase; color:var(--ink-dim); text-align:center; }

/* ── Author note (Overview) ── */
.cs-authornote { margin-top:40px; padding:28px 32px; border:1px solid var(--line); border-left:2px solid var(--ink-3); background:var(--bg-2); }
.cs-authornote-label { font-family:var(--mono); font-size:9px; letter-spacing:.26em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 12px; }
.cs-authornote-text { font-family:var(--display); font-size:15px; line-height:1.65; color:var(--ink-2); margin:0; }
.cs-authornote-text strong { color:var(--ink); font-weight:500; }
.cs-authornote-text em { font-style:italic; color:var(--ink-3); }

/* ── Outcome / Bilan section ── */
.cs-outcome-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.cs-outcome-text { font-family:var(--display); font-size:15px; line-height:1.7; color:var(--ink-3); margin:0; }
.cs-outcome-text p { margin:0 0 18px; }
.cs-outcome-text strong { color:var(--ink); font-weight:500; }
.cs-outcome-text em { font-style:italic; color:var(--ink-2); }
.cs-outcome-side { display:flex; flex-direction:column; gap:0; }
.cs-outcome-stat { padding:24px 0; border-bottom:1px solid var(--line); }
.cs-outcome-stat:first-child { border-top:1px solid var(--line); }
.cs-outcome-stat-k { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 8px; }
.cs-outcome-stat-v { font-family:var(--display); font-size:17px; font-weight:500; color:var(--ink); margin:0; line-height:1.4; }
.cs-outcome-stat-v em { font-style:italic; font-weight:300; color:var(--ink-3); }

/* ── CONFIGURATEUR ── */
.cs-config-wrap { padding:120px 40px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.cs-stage {
  position:relative; width:100%; aspect-ratio:16/9;
  max-height:62vh; min-height:340px;
  background:var(--bg); border-radius:3px; overflow:hidden;
  cursor:grab; user-select:none; margin-bottom:24px;
}
.cs-stage:active { cursor:grabbing; }
.cs-vid {
  position:absolute;
  inset:0;
  width:100%; height:100%;
  object-fit:contain;
  mix-blend-mode:screen;
  opacity:0; transition:opacity .35s ease; pointer-events:none;
}
.cs-vid.on { opacity:1; }
.cs-drag-hint {
  position:absolute; bottom:22px; left:50%; transform:translateX(-50%);
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:10px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-dim); pointer-events:none; z-index:10; transition:opacity .5s;
}
.cs-drag-hint::before { content:'←'; font-size:12px; }
.cs-drag-hint::after  { content:'→'; font-size:12px; }
.cs-drag-hint.gone { opacity:0; }
.cs-mode-lbl {
  position:absolute; top:20px; left:24px;
  font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink-2); z-index:10;
}
.cs-controls { display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.cs-ctrl-lbl { font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim); margin-right:6px; flex-shrink:0; }
.cs-btn {
  display:flex; align-items:center; gap:8px;
  padding:9px 18px; border:1px solid var(--line-2); border-radius:100px;
  font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-3); background:var(--bg-3); cursor:pointer; transition:all .22s; font-weight:500;
}
.cs-btn:hover { border-color:var(--ink-3); color:var(--ink); background:var(--bg-4); }
.cs-btn.on { background:var(--ink); color:var(--bg); border-color:var(--ink); }
.cs-btn-dot { width:5px; height:5px; border-radius:50%; background:currentColor; flex-shrink:0; }

/* ── Sketch grid ── */
.cs-sk-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px 14px; }
.cs-sk-item { position:relative; overflow:hidden; background:#f5f3ef; aspect-ratio:16/9; border:1px solid var(--line); }
.cs-sk-item.wide { grid-column:span 2; }
.cs-sk-item img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-sk-item:hover img { transform:scale(1.03); }
.cs-sk-cap {
  display:block; padding:10px 2px 4px;
  font-family:var(--mono); font-size:9px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim);
}

/* ── Exterior ── */
.cs-full { width:100%; margin-bottom:2px; overflow:hidden; background:var(--bg-3); aspect-ratio:16/9; }
.cs-full img { width:100%; height:100%; object-fit:cover; display:block; }
.cs-r3 { display:grid; grid-template-columns:repeat(3,1fr); gap:2px; }
.cs-r3-i { overflow:hidden; }
.cs-r3-i img { width:100%; height:300px; object-fit:cover; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-r3-i:hover img { transform:scale(1.04); }

/* ── Features ── */
.cs-feat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:2px; }
.cs-feat { position:relative; overflow:hidden; height:480px; background:var(--bg-3); cursor:zoom-in; }
.cs-feat-img { width:100%; height:100%; object-fit:contain; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-feat:hover .cs-feat-img { transform:scale(1.03); }
.cs-feat-ov { position:absolute; bottom:0; left:0; right:0; padding:28px; background:linear-gradient(transparent,rgba(45,45,43,.93)); }
.cs-feat-n { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:8px; }
.cs-feat-t { font-family:var(--display); font-size:21px; font-weight:500; color:var(--ink); letter-spacing:-.02em; margin-bottom:7px; }
.cs-feat-d { font-family:var(--display); font-size:13px; color:var(--ink-3); line-height:1.5; max-width:400px; }
.cs-feat-sks { margin-top:2px; display:grid; grid-template-columns:1fr 1fr; gap:2px; }
.cs-feat-sk { background:var(--bg-3); padding:48px; display:flex; align-items:center; justify-content:center; }
.cs-feat-sk img { width:100%; max-height:290px; object-fit:contain; display:block; }

/* ── Interior ── */
.cs-int-main { overflow:hidden; margin-bottom:2px; background:var(--bg-3); aspect-ratio:16/9; }
.cs-int-main img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-int-main:hover img { transform:scale(1.02); }
.cs-int-pair { display:grid; grid-template-columns:1fr 1fr; gap:2px; margin-bottom:2px; }
.cs-int-i { overflow:hidden; }
.cs-int-i img { width:100%; height:360px; object-fit:cover; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-int-i:hover img { transform:scale(1.03); }
.cs-int-sks { display:grid; grid-template-columns:1fr 1fr; gap:2px; margin-bottom:64px; }
.cs-int-sk { background:var(--bg-3); padding:48px; display:flex; align-items:center; justify-content:center; }
.cs-int-sk img { width:100%; max-height:340px; object-fit:contain; display:block; }
.cs-int-txt { display:grid; grid-template-columns:1fr 1fr; gap:80px; }
.cs-int-desc { font-family:var(--display); font-size:17px; color:var(--ink-2); line-height:1.65; }
.cs-int-desc p + p { margin-top:18px; }

/* ── Specs ── */
/* ── Blueprint specs ── */
.cs-bp-intro { font-family:var(--display); font-size:clamp(15px,1.3vw,18px); color:var(--ink-3); line-height:1.65; max-width:780px; margin-bottom:56px; }
.cs-bp { position:relative; width:100%; background:#0f2342; border:1px solid var(--line); overflow:hidden; aspect-ratio:1365/768; cursor:zoom-in; }
.cs-bp img { width:100%; height:100%; object-fit:contain; display:block; }
.cs-bp::after { content:'⤢'; position:absolute; top:18px; right:22px; font-family:var(--mono); font-size:14px; color:rgba(255,255,255,.55); background:rgba(15,35,66,.6); width:34px; height:34px; border-radius:50%; display:flex; align-items:center; justify-content:center; opacity:0; transition:opacity .3s; pointer-events:none; }
.cs-bp:hover::after { opacity:1; }
.cs-bp-foot { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-top:none; }
.cs-bp-foot > div { background:var(--bg); padding:22px 24px; }
.cs-bp-fl { font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:8px; }
.cs-bp-fv { font-family:var(--display); font-size:14px; font-weight:500; color:var(--ink); letter-spacing:-.005em; }

/* ── Section 10 blueprint fullbleed + specs table ── */
.cs-bp-fullbleed { width:100%; margin:48px 0 0; background:#0f2342; overflow:hidden; }
.cs-bp-fullbleed img { width:100%; height:auto; display:block; }
.cs-specs-table { display:grid; grid-template-columns:1fr 1fr; gap:0; margin-top:48px; border:1px solid var(--line); }
.cs-specs-col { display:flex; flex-direction:column; }
.cs-specs-col:first-child { border-right:1px solid var(--line); }
.cs-spec-row { display:flex; justify-content:space-between; align-items:baseline; padding:16px 28px; border-bottom:1px solid var(--line); gap:24px; }
.cs-spec-row:last-child { border-bottom:none; }
.cs-spec-l { font-family:var(--mono); font-size:10px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-dim); flex-shrink:0; }
.cs-spec-v { font-family:var(--display); font-size:15px; font-weight:500; color:var(--ink); letter-spacing:-.01em; text-align:right; }
.cs-spec-v em { font-style:normal; font-size:13px; color:var(--ink-3); margin-left:4px; }

/* ── Testimonial ── */
.cs-testi { padding:120px 40px; background:var(--bg-2); border-top:1px solid var(--line); }
.cs-testi-in { max-width:900px; margin:0 auto; text-align:center; }
.cs-quote { font-family:var(--display); font-size:clamp(20px,2.3vw,31px); font-weight:300; font-style:italic; color:var(--ink-2); line-height:1.55; letter-spacing:-.02em; margin-bottom:40px; }
.cs-quote::before { content:'\201C'; color:var(--ink-faint); }
.cs-quote::after  { content:'\201D'; color:var(--ink-faint); }
.cs-author { font-family:var(--mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim); }
.cs-author strong { display:block; font-family:var(--display); font-size:16px; font-weight:500; color:var(--ink); letter-spacing:-.01em; margin-bottom:6px; font-style:normal; }

/* ── Next ── */
.cs-next { display:flex; justify-content:space-between; align-items:center; padding:80px 40px; border-top:1px solid var(--line); text-decoration:none; transition:padding .4s ease; }
.cs-next:hover { padding-left:56px; }
.cs-next-lbl { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:10px; }
.cs-next-name { font-family:var(--display); font-weight:500; font-size:clamp(42px,7vw,110px); letter-spacing:-.045em; color:var(--ink); line-height:.9; }
.cs-next-arr { font-family:var(--mono); font-size:32px; color:var(--ink-dim); transition:transform .3s, color .3s; }
.cs-next:hover .cs-next-arr { transform:translateX(16px); color:var(--ink); }

/* ── Context section (NEW) ── */
.cs-ctx-intro { font-family:var(--display); font-size:clamp(18px,1.8vw,24px); font-weight:300; color:var(--ink-2); line-height:1.55; max-width:780px; margin-bottom:64px; letter-spacing:-.01em; }
.cs-ctx-intro em { font-style:italic; color:var(--ink); font-weight:400; }
.cs-stat-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:80px; }
.cs-stat { background:var(--bg); padding:36px 28px; }
.cs-stat-num { font-family:var(--display); font-size:clamp(38px,4.2vw,64px); font-weight:300; color:var(--ink); letter-spacing:-.04em; line-height:1; margin-bottom:14px; }
.cs-stat-num em { font-style:normal; font-size:.55em; color:var(--ink-3); margin-left:2px; }
.cs-stat-lbl { font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim); line-height:1.5; }
.cs-fleet-title { font-family:var(--mono); font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:28px; padding-bottom:18px; border-bottom:1px solid var(--line); }
.cs-fleet { display:grid; grid-template-columns:repeat(3,1fr); gap:48px; margin-bottom:64px; }
.cs-fleet-row { padding-top:4px; }
.cs-fleet-name { font-family:var(--display); font-size:18px; font-weight:500; color:var(--ink); letter-spacing:-.01em; margin-bottom:18px; }
.cs-fleet-row dl { display:grid; grid-template-columns:1fr auto; gap:6px 12px; }
.cs-fleet-row dt { font-family:var(--mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-dim); }
.cs-fleet-row dd { font-family:var(--display); font-size:14px; font-weight:500; color:var(--ink-2); text-align:right; }
.cs-problem { display:flex; flex-direction:column; padding-top:48px; border-top:1px solid var(--line); }
.cs-problem-head { display:grid; grid-template-columns:1fr auto 1fr; gap:48px; align-items:center; padding-bottom:18px; border-bottom:1px solid var(--line-2); }
.cs-problem-head-p, .cs-problem-head-s { font-family:var(--mono); font-size:10px; letter-spacing:.28em; text-transform:uppercase; color:var(--ink-faint); margin:0; }
.cs-problem-head-s { color:#e98a3a; }
.cs-problem-head-arrow { font-family:var(--mono); font-size:14px; color:var(--ink-faint); }
.cs-problem-row { display:grid; grid-template-columns:1fr auto 1fr; gap:48px; align-items:start; padding:28px 0; border-bottom:1px solid var(--line-2); }
.cs-problem-row:last-child { border-bottom:none; }
.cs-problem-row-arrow { font-family:var(--mono); font-size:18px; color:#e98a3a; padding-top:4px; }
.cs-problem-col h4 { font-family:var(--display); font-size:18px; font-weight:500; color:var(--ink); margin:0 0 8px; letter-spacing:-.005em; }
.cs-problem-col p { font-family:var(--display); font-size:14px; color:var(--ink-3); line-height:1.55; margin:0; }
.cs-problem-col p strong { color:var(--ink); font-weight:500; }
.cs-problem-col--sol h4 { color:#e98a3a; }
.cs-problem-col--sol p { color:var(--ink-2); }

/* ── Operational map ── */
.cs-opmap { width:100%; margin-bottom:80px; cursor:zoom-in; position:relative; overflow:hidden; }
.cs-opmap img { width:100%; height:auto; display:block; transition:transform .6s cubic-bezier(.16,1,.3,1); }
.cs-opmap:hover img { transform:scale(1.015); }

/* ── Inspirations section (NEW) ── */
.cs-insp { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.cs-insp-card { background:var(--bg); padding:48px 36px; min-height:340px; display:flex; flex-direction:column; }
.cs-insp-num { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:120px; }
.cs-insp-name { font-family:var(--display); font-size:26px; font-weight:500; color:var(--ink); letter-spacing:-.025em; margin-bottom:14px; }
.cs-insp-desc { font-family:var(--display); font-size:14px; color:var(--ink-3); line-height:1.6; }

/* ── Moodboard (Visual references) ── */
.cs-mood-label { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin:80px 0 28px; }
.cs-mood { display:grid; grid-template-columns:repeat(3,1fr); grid-auto-rows:1fr; gap:12px; }
.cs-mood-item { position:relative; overflow:hidden; background:var(--bg-3); border:1px solid var(--line); margin:0; cursor:zoom-in; aspect-ratio:4/3; }
.cs-mood-item img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .6s cubic-bezier(.16,1,.3,1); }
.cs-mood-item:hover img { transform:scale(1.05); }
.cs-mood-item figcaption {
  position:absolute; left:0; right:0; bottom:0;
  font-family:var(--mono); font-size:9px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink); padding:14px 16px;
  background:linear-gradient(to top, rgba(45,45,43,.92) 0%, rgba(45,45,43,0) 100%);
  opacity:0; transition:opacity .35s ease;
}
.cs-mood-item:hover figcaption { opacity:1; }

/* ── 2-col exterior (NEW) ── */
.cs-r2 { display:grid; grid-template-columns:repeat(2,1fr); gap:2px; }
.cs-r2-i { overflow:hidden; cursor:zoom-in; aspect-ratio:16/9; background:var(--bg-3); }
.cs-r2-i img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-r2-i:hover img { transform:scale(1.04); }

/* ── Section 07 Exterior grid ── */
.cs-ext-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:2px; margin-top:48px; }
.cs-ext-cell { display:flex; flex-direction:column; }
.cs-ext-img-wrap { aspect-ratio:16/9; overflow:hidden; cursor:zoom-in; background:var(--bg-3); }
.cs-ext-img-wrap img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .9s cubic-bezier(.16,1,.3,1); }
.cs-ext-img-wrap:hover img { transform:scale(1.04); }
.cs-ext-cap { padding:24px 28px 36px; border-bottom:1px solid var(--line); flex:1; }
.cs-ext-cap-n { display:block; font-family:var(--mono); font-size:10px; letter-spacing:.26em; text-transform:uppercase; color:var(--accent); margin-bottom:12px; }
.cs-ext-cap-t { font-family:var(--display); font-size:14px; line-height:1.7; color:var(--ink-3); margin:0; }
.cs-ext-cap-t em { color:var(--ink-2); font-style:italic; }
.cs-ext-cap-t strong { color:var(--ink); font-weight:500; }

/* ── Sketch zoom cursor ── */
.cs-sk-item { cursor:zoom-in; }

/* ── Video features (NEW) ── */
.cs-vfeat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:2px; }
.cs-vfeat { position:relative; overflow:hidden; background:var(--bg-3); aspect-ratio:1/1; }
.cs-vfeat video {
  position:absolute;
  inset:0;
  width:100%; height:100%;
  object-fit:contain;
  mix-blend-mode:screen;
  opacity:.92;
}
.cs-vfeat-ov { position:absolute; left:0; right:0; bottom:0; padding:28px 28px 32px; background:linear-gradient(to top, rgba(45,45,43,.95) 0%, rgba(45,45,43,.7) 60%, rgba(45,45,43,0) 100%); pointer-events:none; }
.cs-vfeat--tight video { top:8%; left:8%; width:84%; height:84%; }
.cs-vfeat-n { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:8px; }
.cs-vfeat-t { font-family:var(--display); font-size:21px; font-weight:500; color:var(--ink); letter-spacing:-.02em; margin-bottom:7px; }
.cs-vfeat-d { font-family:var(--display); font-size:13px; color:var(--ink-3); line-height:1.5; }

/* ── Lightbox (NEW) ── */
.cs-lbx { position:fixed; inset:0; background:rgba(20,20,19,.96); z-index:9999; display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .35s ease; padding:5vh 5vw; }
.cs-lbx.on { opacity:1; pointer-events:auto; }
.cs-lbx img { max-width:100%; max-height:100%; object-fit:contain; display:block; transform:scale(.96); transition:transform .4s cubic-bezier(.16,1,.3,1); }
.cs-lbx.on img { transform:scale(1); }
.cs-lbx-close { position:absolute; top:24px; right:30px; width:44px; height:44px; border:1px solid var(--line-2); border-radius:50%; background:transparent; color:var(--ink); cursor:pointer; font-family:var(--mono); font-size:18px; display:flex; align-items:center; justify-content:center; transition:all .25s; }
.cs-lbx-close:hover { background:var(--ink); color:var(--bg); border-color:var(--ink); }
.cs-lbx-cap { position:absolute; bottom:24px; left:50%; transform:translateX(-50%); font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-3); }

/* ── Decisions / Key trade-offs (NEW) ── */
.cs-dec-intro { font-family:var(--display); font-size:17px; line-height:1.65; color:var(--ink-3); max-width:880px; margin:0 0 56px; }
.cs-dec-intro em { color:var(--ink); font-style:italic; }

.cs-dec-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:80px; }
.cs-dec-card { background:var(--bg); padding:40px 32px; display:flex; flex-direction:column; gap:22px; min-height:680px; }
.cs-dec-card-h { display:flex; flex-direction:column; gap:8px; padding-bottom:22px; border-bottom:1px solid var(--line); }
.cs-dec-card-id { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin:0; }
.cs-dec-card-topic { font-family:var(--display); font-size:24px; font-weight:500; color:var(--ink); letter-spacing:-.02em; margin:0; }

.cs-dec-q { font-family:var(--display); font-style:italic; font-size:14px; color:var(--ink-3); line-height:1.55; border-left:2px solid var(--line-2); padding-left:16px; margin:0; }

.cs-dec-block { display:flex; flex-direction:column; gap:10px; }
.cs-dec-block-label { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; font-weight:500; margin:0; }
.cs-dec-block--out .cs-dec-block-label { color:var(--ink-faint); text-decoration:line-through; text-decoration-thickness:1px; text-underline-offset:3px; }
.cs-dec-block--kept .cs-dec-block-label { color:var(--ink); }
.cs-dec-block-text { font-family:var(--display); font-size:13px; line-height:1.6; margin:0; }
.cs-dec-block--out .cs-dec-block-text { color:var(--ink-dim); }
.cs-dec-block--kept .cs-dec-block-text { color:var(--ink-2); }

.cs-dec-verdict { margin-top:auto; padding-top:22px; border-top:1px solid var(--line); display:flex; flex-direction:column; gap:8px; }
.cs-dec-verdict-label { font-family:var(--mono); font-size:9px; letter-spacing:.26em; text-transform:uppercase; color:var(--ink-faint); margin:0; }
.cs-dec-verdict-text { font-family:var(--display); font-size:14px; line-height:1.55; color:var(--ink); font-weight:500; margin:0; }

/* Placeholder cards */
.cs-dec-card--ph { background:transparent; border:1px dashed var(--line-2); background-image:repeating-linear-gradient(135deg, transparent, transparent 18px, rgba(245,243,239,.018) 18px, rgba(245,243,239,.018) 36px); }
.cs-dec-card--ph .cs-dec-card-id { color:var(--ink-faint); }
.cs-dec-card--ph .cs-dec-card-topic { color:var(--ink-dim); }
.cs-dec-card--ph .cs-dec-card-h { border-bottom-color:var(--line-2); border-bottom-style:dashed; }
.cs-dec-ph-body { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px; text-align:center; padding:30px 10px; }
.cs-dec-ph-tag { font-family:var(--mono); font-size:9px; letter-spacing:.3em; text-transform:uppercase; color:var(--ink-faint); padding:6px 14px; border:1px solid var(--line-2); border-radius:999px; }
.cs-dec-ph-msg { font-family:var(--display); font-size:13px; color:var(--ink-dim); line-height:1.55; max-width:200px; }

/* Map below cards */
.cs-dec-map-h { display:flex; align-items:baseline; justify-content:space-between; margin-bottom:32px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.cs-dec-map-h-t { font-family:var(--display); font-size:13px; font-weight:500; color:var(--ink); margin:0; }
.cs-dec-map-h-t em { color:var(--ink-dim); font-weight:400; font-style:italic; }
.cs-dec-map-h-s { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin:0; }

.cs-dec-map { background:var(--bg); border:1px solid var(--line); padding:50px 60px; position:relative; }
.cs-dec-map svg.fr-svg { width:100%; height:auto; max-width:760px; display:block; margin:0 auto; overflow:visible; }

.fr-land { fill:var(--bg-3); stroke:var(--line-2); stroke-width:1; stroke-linejoin:round; }
.fr-coast { fill:none; stroke:var(--ink-dim); stroke-width:1.6; stroke-opacity:.95; stroke-linejoin:round; stroke-linecap:round; }
.fr-nuc { fill:var(--ink-3); opacity:.7; }
.fr-nuc-ring { fill:none; stroke:var(--ink-3); stroke-width:1; opacity:.35; }
.fr-deposit-outer { fill:none; stroke:var(--ink); stroke-width:1; opacity:.3; }
.fr-deposit-mid { fill:none; stroke:var(--ink); stroke-width:1; opacity:.55; }
.fr-deposit-inner { fill:var(--ink); }
.fr-label { font-family:var(--mono); fill:var(--ink-3); font-size:9px; letter-spacing:.18em; text-transform:uppercase; }
.fr-label-major { font-family:var(--display); fill:var(--ink); font-size:13px; font-weight:500; }
.fr-label-tag { font-family:var(--mono); fill:var(--ink-dim); font-size:8.5px; letter-spacing:.14em; text-transform:uppercase; }
.fr-leader { stroke:var(--ink); stroke-width:1; opacity:.4; fill:none; }
.fr-leader-faint { stroke:var(--ink-dim); stroke-width:1; opacity:.5; fill:none; }

.cs-dec-map-legend { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; padding-top:32px; margin-top:36px; border-top:1px solid var(--line); }
.cs-dec-map-leg { display:flex; gap:14px; }
.cs-dec-map-leg-mk { flex-shrink:0; width:18px; height:18px; margin-top:2px; }
.cs-dec-map-leg-lbl { font-family:var(--mono); font-size:9px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink); margin:0 0 4px; }
.cs-dec-map-leg-d { font-family:var(--display); font-size:12px; color:var(--ink-3); line-height:1.5; margin:0; }

.cs-dec-map-cap { margin-top:28px; font-family:var(--display); font-size:13px; color:var(--ink-3); line-height:1.6; max-width:760px; }
.cs-dec-map-cap strong { color:var(--ink); font-weight:500; }

/* ── Sequence (decision B visual) ── */
.cs-dec-seq-h { display:flex; align-items:baseline; justify-content:space-between; margin:64px 0 32px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.cs-dec-seq-h-t { font-family:var(--display); font-size:13px; font-weight:500; color:var(--ink); margin:0; }
.cs-dec-seq-h-t em { color:var(--ink-dim); font-weight:400; font-style:italic; }
.cs-dec-seq-h-s { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin:0; }

.cs-dec-seq { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.cs-dec-seq-frame { background:var(--bg); padding:32px 24px; display:flex; flex-direction:column; gap:18px; min-height:340px; }
.cs-dec-seq-num { font-family:var(--mono); font-size:10px; letter-spacing:.28em; text-transform:uppercase; color:var(--ink-faint); margin:0; }
.cs-dec-seq-svg { flex:1; display:flex; align-items:center; justify-content:center; padding:8px 0; }
.cs-dec-seq-svg svg { width:100%; height:auto; display:block; }
.cs-dec-seq-title { font-family:var(--display); font-size:18px; font-weight:500; color:var(--ink); letter-spacing:-.015em; margin:0; padding-top:14px; border-top:1px solid var(--line); }
.cs-dec-seq-tag { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-dim); margin:0; }

/* Drone silhouette + environment styles */
.dr-hull { fill:var(--bg-3); stroke:var(--ink); stroke-width:1.4; stroke-linejoin:round; }
.dr-window { stroke:var(--ink); stroke-width:1; opacity:.45; fill:none; }
.dr-pod { fill:var(--ink); opacity:.55; }
.dr-foil { stroke:var(--ink); stroke-width:1.4; stroke-linecap:square; fill:none; }
.dr-foil--retracted { opacity:.25; stroke-dasharray:2,2; }
.dr-track { fill:var(--ink-2); stroke:var(--ink); stroke-width:1; }
.dr-track-arm { stroke:var(--ink); stroke-width:1; opacity:.5; fill:none; }
.dr-track-arrow { stroke:var(--ink); stroke-width:1; opacity:.7; fill:none; }
.env-water { stroke:var(--ink-dim); stroke-width:1.4; fill:none; opacity:.85; }
.env-water-fill { fill:var(--ink-dim); opacity:.06; }
.env-sand { fill:none; stroke:var(--ink-dim); stroke-width:.8; opacity:.5; }
.env-sand-grain { fill:var(--ink-dim); opacity:.55; }

.cs-dec-seq-cap { margin-top:28px; font-family:var(--display); font-size:13px; color:var(--ink-3); line-height:1.6; max-width:760px; }
.cs-dec-seq-cap strong { color:var(--ink); font-weight:500; }

/* ── Process Timeline (section 06) ── */
.cs-proc-subtitle { display:flex; align-items:baseline; gap:16px; margin:50px 0 28px; }
.cs-proc-subtitle-mk { font-family:var(--mono); font-size:10px; letter-spacing:.26em; text-transform:uppercase; color:var(--ink-faint); margin:0; }
.cs-proc-subtitle-t { font-family:var(--display); font-size:24px; font-weight:500; color:var(--ink); margin:0; letter-spacing:-.01em; }
.cs-proc-subtitle-t em { font-style:italic; font-weight:300; color:var(--ink-3); }
.cs-proc-subtitle-line { flex:1; height:1px; background:var(--line); margin-bottom:6px; }

/* Research raw sketches */
.cs-research-intro { font-family:var(--display); font-size:15px; line-height:1.65; color:var(--ink-3); max-width:760px; margin:0 0 32px; }
.cs-research-intro em { color:var(--ink-2); font-style:italic; }
.cs-research-hero { width:100%; border:1px solid var(--line); border-radius:3px; display:block; background:#f5f3ef; margin-bottom:14px; }
.cs-research-hero-cap { font-family:var(--mono); font-size:10px; letter-spacing:.15em; text-transform:uppercase; color:var(--ink-dim); text-align:center; margin:0 0 44px; }
.cs-research-sub { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 16px; }
.cs-research-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:2px; }

/* Sub-section dividers inside Research (Affinage, Intérieur) */
.cs-research-divider { display:flex; align-items:baseline; gap:14px; margin:80px 0 14px; }
.cs-research-divider-mk { font-family:var(--mono); font-size:9px; letter-spacing:.24em; text-transform:uppercase; color:var(--ink-faint); margin:0; }
.cs-research-divider-t { font-family:var(--display); font-size:18px; font-weight:500; color:var(--ink-2); margin:0; letter-spacing:-.005em; }
.cs-research-divider-t em { font-style:italic; font-weight:300; color:var(--ink-dim); }
.cs-research-divider-line { flex:1; height:1px; background:var(--line); margin-bottom:5px; }
.cs-research-divider-desc { font-family:var(--display); font-size:13px; line-height:1.6; color:var(--ink-3); margin:0 0 26px; max-width:680px; }

/* Refined sketches — pairs and grids */
.cs-research-pair { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:14px; }
.cs-research-card { display:flex; flex-direction:column; gap:8px; }
.cs-research-card-img { width:100%; aspect-ratio:16/9; background:#f5f3ef; border:1px solid var(--line); border-radius:3px; overflow:hidden; display:flex; align-items:center; justify-content:center; }
.cs-research-card-img img { width:100%; height:100%; object-fit:contain; display:block; }
.cs-research-card-cap { font-family:var(--mono); font-size:9px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim); margin:0; }
.cs-research-full { width:100%; background:#f5f3ef; border:1px solid var(--line); border-radius:3px; display:block; }
.cs-research-full-cap { font-family:var(--mono); font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-dim); margin:8px 0 24px; }
.cs-research-trio { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.cs-research-item { position:relative; overflow:hidden; background:#f5f3ef; aspect-ratio:4/3; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; }
.cs-research-item img { width:100%; height:100%; object-fit:contain; display:block; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.cs-research-item:hover img { transform:scale(1.04); }
.cs-research-item--wide { grid-column:span 2; aspect-ratio:8/3; }

.cs-proc-grid { display:grid; grid-template-columns:280px 1fr; gap:80px; padding-bottom:20px; margin-top:30px; }

.cs-proc-side { position:sticky; top:90px; height:fit-content; align-self:start; }
.cs-proc-side-head { font-family:var(--mono); font-size:10px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 30px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.cs-proc-side-list { list-style:none; padding:0; margin:0; position:relative; }
.cs-proc-side-list::before {
  content:''; position:absolute;
  left:7px; top:14px; bottom:14px;
  width:1px; background:var(--line-2);
}

.cs-proc-side-item { position:relative; padding:14px 0 14px 36px; cursor:pointer; transition:opacity .25s; }
.cs-proc-side-item::before {
  content:''; position:absolute;
  left:0; top:18px;
  width:15px; height:15px;
  border:1px solid var(--line-2);
  background:var(--bg);
  border-radius:50%;
  transition:all .25s;
  box-sizing:border-box;
}
.cs-proc-side-item.is-active::before {
  border-color:var(--ink);
  background:var(--ink);
  box-shadow:0 0 0 4px var(--bg), 0 0 0 5px var(--ink);
}
.cs-proc-side-item.is-past::before {
  background:var(--ink-3);
  border-color:var(--ink-3);
}

.cs-proc-side-num { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 4px; transition:color .25s; }
.cs-proc-side-name { font-family:var(--display); font-size:16px; color:var(--ink-dim); margin:0; font-weight:500; transition:color .25s; }
.cs-proc-side-time { font-family:var(--mono); font-size:10px; color:var(--ink-faint); margin:4px 0 0; letter-spacing:.1em; }
.cs-proc-side-item.is-active .cs-proc-side-num { color:var(--ink); }
.cs-proc-side-item.is-active .cs-proc-side-name { color:var(--ink); }
.cs-proc-side-item.is-active .cs-proc-side-time { color:var(--ink-3); }
.cs-proc-side-item.is-past .cs-proc-side-name { color:var(--ink-3); }

.cs-proc-content { display:flex; flex-direction:column; gap:0; }
.cs-proc-phase { padding:40px 0 100px; border-bottom:1px solid var(--line); }
.cs-proc-phase:first-child { padding-top:0; }
.cs-proc-phase:last-child { border-bottom:none; padding-bottom:0; }
.cs-proc-phase-h { display:flex; justify-content:space-between; align-items:baseline; margin-bottom:24px; padding-bottom:16px; border-bottom:1px solid var(--line); }
.cs-proc-phase-id { font-family:var(--mono); font-size:11px; letter-spacing:.28em; text-transform:uppercase; color:var(--ink-dim); margin:0; }
.cs-proc-phase-time { font-family:var(--mono); font-size:10px; letter-spacing:.18em; color:var(--ink-faint); margin:0; }
.cs-proc-phase-title { font-family:var(--display); font-size:36px; font-weight:500; letter-spacing:-.02em; color:var(--ink); margin:16px 0 12px; }
.cs-proc-phase-tagline { font-family:var(--display); font-size:16px; color:var(--ink-3); font-style:italic; margin:0 0 32px; max-width:600px; }
.cs-proc-phase-body { display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:start; }
.cs-proc-phase-text { font-family:var(--display); font-size:14px; line-height:1.65; color:var(--ink-3); margin:0; }
.cs-proc-phase-text strong { color:var(--ink); font-weight:500; }
.cs-proc-phase-text p { margin:0 0 16px; }
.cs-proc-phase-outcomes { margin-top:28px; padding-top:20px; border-top:1px dashed var(--line-2); }
.cs-proc-phase-outcomes-label { font-family:var(--mono); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 12px; }
.cs-proc-phase-outcomes-list { list-style:none; padding:0; margin:0; }
.cs-proc-phase-outcomes-list li { font-family:var(--display); font-size:13px; color:var(--ink-2); padding:6px 0; padding-left:18px; position:relative; }
.cs-proc-phase-outcomes-list li::before {
  content:'→'; position:absolute; left:0; top:6px;
  font-family:var(--mono); font-size:13px; color:var(--ink-dim);
}

.cs-proc-phase-media { display:grid; gap:12px; }
.cs-proc-phase-media-grid-2 { grid-template-columns:1fr 1fr; }
.cs-proc-phase-media-grid-1 { grid-template-columns:1fr; }
.cs-proc-phase-media-item { background:#f5f3ef; border:1px solid var(--line); overflow:hidden; display:flex; align-items:center; justify-content:center; aspect-ratio:16/9; }
.cs-proc-phase-media-item img { width:100%; height:100%; object-fit:contain; display:block; }
.cs-proc-phase-media-item--render { background:transparent; border:none; }
.cs-proc-phase-media-item--render img { object-fit:cover; }
.cs-proc-phase-media-cap { font-family:var(--mono); font-size:9px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-faint); padding:6px 0 0; margin:0; }

/* Placeholder for missing assets (phase 04 3D) */
.cs-proc-phase-media-item--ph { 
  background:transparent; 
  background-image:repeating-linear-gradient(135deg, transparent, transparent 18px, rgba(245,243,239,.018) 18px, rgba(245,243,239,.018) 36px); 
  border:1px dashed var(--line-2);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px; padding:30px 20px; text-align:center;
}
.cs-proc-phase-media-item--ph .ph-tag { font-family:var(--mono); font-size:9px; letter-spacing:.3em; text-transform:uppercase; color:var(--ink-faint); padding:6px 14px; border:1px solid var(--line-2); border-radius:999px; }
.cs-proc-phase-media-item--ph .ph-msg { font-family:var(--display); font-size:13px; color:var(--ink-dim); line-height:1.55; max-width:240px; margin:0; }

/* ── Responsive ── */
@media (max-width:1024px) {
  .cs-ov2, .cs-int-txt { grid-template-columns:1fr; gap:48px; }
  .cs-problem-head, .cs-problem-row { grid-template-columns:1fr; gap:14px; }
  .cs-problem-head-arrow, .cs-problem-row-arrow { display:none; }
  .cs-problem-col--sol { padding-top:8px; border-top:1px dashed var(--line-2); margin-top:8px; }
  .cs-outcome-grid { grid-template-columns:1fr; gap:36px; }
  .cs-brief-inner { grid-template-columns:1fr 1fr; }
  .cs-feat-grid, .cs-feat-sks, .cs-int-pair, .cs-int-sks { grid-template-columns:1fr; }
  .cs-sk-grid { grid-template-columns:1fr 1fr; }
  .cs-sk-item.wide { grid-column:span 1; }
  .cs-r3, .cs-r2 { grid-template-columns:1fr 1fr; }
  .cs-ext-grid { grid-template-columns:1fr; }
  .cs-stat-grid, .cs-bp-foot { grid-template-columns:1fr 1fr; }
  .cs-specs-table { grid-template-columns:1fr; }
  .cs-specs-col:first-child { border-right:none; border-bottom:1px solid var(--line); }
  .cs-fleet, .cs-insp, .cs-vfeat-grid { grid-template-columns:1fr; }
  .cs-mood { grid-template-columns:repeat(2,1fr); gap:8px; }
  .cs-dec-grid { grid-template-columns:1fr; }
  .cs-dec-card { min-height:auto; }
  .cs-dec-map { padding:30px 24px; }
  .cs-dec-map-legend { grid-template-columns:1fr; gap:18px; }
  .cs-dec-seq { grid-template-columns:repeat(2, 1fr); }
  .cs-dec-seq-frame { min-height:auto; }
  .cs-proc-grid { grid-template-columns:1fr; gap:30px; }
  .cs-proc-side { position:static; padding-bottom:30px; border-bottom:1px solid var(--line); }
  .cs-proc-side-list { display:grid; grid-template-columns:repeat(5, 1fr); gap:8px; }
  .cs-proc-side-list::before { display:none; }
  .cs-proc-side-item { padding:14px 0 0 0; text-align:center; }
  .cs-proc-side-item::before { position:relative; left:50%; transform:translateX(-50%); margin-bottom:8px; }
  .cs-proc-phase-title { font-size:28px; }
  .cs-proc-phase-body { grid-template-columns:1fr; gap:36px; }
  .cs-research-grid { grid-template-columns:repeat(2,1fr); }
  .cs-research-pair { grid-template-columns:1fr; }
  .cs-research-trio { grid-template-columns:repeat(2,1fr); }
  .cs-ext-annot { grid-template-columns:1fr; gap:14px; padding:20px 24px 40px; }
  .cs-ext-annot-label { padding-top:0; }
}
@media (max-width:768px) {
  .cs-hero { padding:0 20px 60px; }
  .cs-back-btn { left:20px; }
  .cs-sec, .cs-config-wrap, .cs-testi { padding:80px 20px; }
  .cs-brief-inner { padding:0; }
  .cs-sk-grid, .cs-r3, .cs-r2 { grid-template-columns:1fr; }
  .cs-ext-grid { grid-template-columns:1fr; }
  .cs-stat-grid { grid-template-columns:1fr; }
  .cs-stage { aspect-ratio:4/3; min-height:280px; }
  .cs-next { padding:60px 20px; }
  .cs-dec-seq { grid-template-columns:1fr; }
  .cs-proc-side-list { grid-template-columns:repeat(3, 1fr); }
  .cs-proc-phase-media-grid-2 { grid-template-columns:1fr; }
  .cs-proc-phase-title { font-size:24px; }
  .cs-research-grid { grid-template-columns:1fr; }
  .cs-research-item--wide { grid-column:span 1; }
  .cs-research-trio { grid-template-columns:1fr; }
  .cs-research-divider-t { font-size:16px; }
}

/* ── Aureon Phase 2 stubs (sections en attente d'assets) ── */
.cs-aureon-stub {
  max-width: 900px;
  margin: 40px auto 0;
  padding: 36px 40px;
  border: 1px dashed rgba(233,138,58,.45);
  background: rgba(233,138,58,.05);
  border-radius: 8px;
  text-align: center;
}
.cs-aureon-stub-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: #e98a3a;
  margin: 0 0 14px;
}
.cs-aureon-stub-desc {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .cs-aureon-stub { padding: 26px 22px; margin: 28px auto 0; }
}



/* ── HOTFIX: force reveal elements visible (IntersectionObserver was not firing) ── */
.reveal { opacity: 1 !important; transform: translateY(0) !important; }

/* ── Section 02 Inspirations moodboard ── */
.cs-inspi-intro {
  max-width: 820px;
  margin: 0 auto 56px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  text-align: center;
}
.cs-inspi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  max-width: 1100px;
  margin: 0 auto;
}
.cs-inspi-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  transition: transform .4s cubic-bezier(.16,1,.3,1), border-color .3s ease;
}
.cs-inspi-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.18);
}
.cs-inspi-img-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  background: #0c0c0a;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cs-inspi-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform .8s cubic-bezier(.16,1,.3,1);
}
.cs-inspi-card:hover .cs-inspi-img-wrap img { transform: scale(1.03); }
.cs-inspi-cap {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cs-inspi-credit {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0;
}
.cs-inspi-arg {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink);
  margin: 0;
}
.cs-inspi-footnote {
  max-width: 820px;
  margin: 56px auto 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-dim);
  text-align: center;
  font-style: italic;
}
.cs-inspi-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cs-inspi-link:hover { color: var(--ink); }
@media (max-width: 1024px) {
  .cs-inspi-grid { gap: 28px; }
}
@media (max-width: 640px) {
  .cs-inspi-grid { grid-template-columns: 1fr; gap: 24px; }
  .cs-inspi-intro { font-size: 13px; margin-bottom: 40px; }
  .cs-inspi-cap { padding: 18px 20px 22px; }
}

/* ── Section 03 Concept ── */
.cs-concept-intro {
  max-width: 820px;
  margin: 0 auto 56px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  text-align: center;
}
.cs-concept-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 30px 20px;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.cs-concept-svg {
  width: 100%;
  height: auto;
  display: block;
}
.cs-concept-foot {
  max-width: 760px;
  margin: 36px auto 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  text-align: center;
  font-style: italic;
}
@media (max-width: 768px) {
  .cs-concept-intro { font-size: 13px; }
  .cs-concept-wrap { padding: 14px 8px; }
}

/* ── Section 06 Pipeline ── */
.cs-pipeline-intro {
  max-width: 820px;
  margin: 0 auto 56px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  text-align: center;
}
.cs-pipeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1300px;
  margin: 0 auto;
}
.cs-pipeline-step {
  margin: 0;
  padding: 36px 32px 40px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  position: relative;
}
.cs-pipeline-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.cs-pipeline-num {
  font-family: var(--mono);
  font-size: 38px;
  letter-spacing: 0.04em;
  color: #e98a3a;
  margin: 0;
  line-height: 1;
}
.cs-pipeline-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.25em;
  color: var(--ink-dim);
  margin: 0;
}
.cs-pipeline-title {
  font-family: var(--sans);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 18px;
}
.cs-pipeline-text {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0;
}
@media (max-width: 1024px) {
  .cs-pipeline { grid-template-columns: 1fr; gap: 22px; }
}

/* ── Section 10 Blueprint SVG ── */
.cs-bp-svg-wrap {
  max-width: 1400px;
  margin: 40px auto;
  padding: 24px;
  background: #0a0a08;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.cs-bp-svg {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 768px) {
  .cs-bp-svg-wrap { padding: 12px 6px; }
}

/* ── Section 10 blueprint SVG fits inside cs-bp ── */
.cs-bp { padding: 0; background: transparent; border: none; }
.cs-bp .cs-bp-svg { width: 100%; height: auto; display: block; background: #0a0a08; padding: 28px 24px; border: 1px solid var(--line); border-radius: 4px; box-sizing: border-box; }
@media (max-width: 768px) {
  .cs-bp .cs-bp-svg { padding: 14px 8px; }
}

/* ── Section 10 blueprint as image (Vizcom output) ── */
.cs-bp--img {
  background: transparent;
  border: none;
  padding: 0;
  max-width: 1400px;
  margin: 32px auto 0;
}
.cs-bp--img img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 4px;
}


/* ── Section 05 — intro & meta typography ── */
.cs-360-intro {
  max-width: 820px;
  margin: 0 auto 48px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  text-align: center;
}
.cs-360-meta {
  max-width: 820px;
  margin: 28px auto 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: center;
}
@media (max-width: 768px) {
  .cs-360-intro { font-size: 13px; margin-bottom: 32px; }
}


/* ── Section 06B — Sketches & Ideation ───────────────────── */
.cs-sketches-section { padding-top: 100px; padding-bottom: 100px; }
.cs-sk-intro {
  max-width: 720px;
  margin: 0 auto 70px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  text-align: center;
}
.cs-sk-phase {
  margin-bottom: 80px;
}
.cs-sk-phase:last-of-type {
  margin-bottom: 40px;
}
.cs-sk-phase-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.cs-sk-phase-letter {
  font-family: var(--display);
  font-style: italic;
  font-size: 28px;
  color: #e98a3a;
  line-height: 1;
}
.cs-sk-phase-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 600;
}
.cs-sk-phase-line {
  flex: 1;
  height: 1px;
  background: var(--line);
}
.cs-sk-phase-desc {
  max-width: 720px;
  margin: 0 0 32px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-dim);
}
.cs-sk-grid {
  display: grid;
  gap: 14px;
}
.cs-sk-grid-a { grid-template-columns: repeat(5, 1fr); }
.cs-sk-grid-b { grid-template-columns: repeat(5, 1fr); }
.cs-sk-grid-c { grid-template-columns: repeat(3, 1fr); }

.cs-sk-item {
  position: relative;
  overflow: hidden;
  background: #f6f1e6;
  border: 1px solid rgba(220, 200, 160, 0.16);
  border-radius: 2px;
  aspect-ratio: 21/9;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: zoom-in;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}
/* Phase C uses native ratio of Photoshop renders */
.cs-sk-grid-c .cs-sk-item {
  aspect-ratio: 16/9;
}
.cs-sk-item img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.cs-sk-item:hover {
  border-color: rgba(233, 138, 58, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.cs-sk-item:hover img {
  transform: scale(1.025);
}
.cs-sk-footnote {
  margin-top: 60px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .cs-sk-grid-a { grid-template-columns: repeat(3, 1fr); }
  .cs-sk-grid-b { grid-template-columns: repeat(5, 1fr); }
  .cs-sk-grid-c { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .cs-sketches-section { padding-top: 60px; padding-bottom: 60px; }
  .cs-sk-intro { font-size: 13px; margin-bottom: 50px; }
  .cs-sk-phase { margin-bottom: 56px; }
  .cs-sk-grid-a { grid-template-columns: repeat(2, 1fr); }
  .cs-sk-grid-b { grid-template-columns: repeat(2, 1fr); }
  .cs-sk-grid-c { grid-template-columns: 1fr; }
  .cs-sk-phase-letter { font-size: 22px; }
  .cs-sk-phase-label { font-size: 10px; letter-spacing: 0.22em; }
  .cs-sk-phase-desc { font-size: 12px; }
}