/* =========================================================
   UNITRADE — Mobilier scolaire
   Design tokens
   Couleurs : #1a2f4a (encre) #f7f4ee (craie) #d9622b (terracotta UNITRADE)
              #8a93a3 (ardoise) #c9a05c (cerisier/hêtre) #ffffff
   Type     : Fraunces (display) / Inter (corps) / Space Mono (data, cotes)
   Signature: règle graduée horizontale + fiches "casier qui glisse"
   ========================================================= */

:root{
  --ink:        #1a2f4a;
  --chalk:      #f7f4ee;
  --terracotta: #d9622b;
  --terracotta-dark: #b94e1d;
  --slate:      #8a93a3;
  --cherry:     #c9a05c;
  --white:      #ffffff;
  --ink-soft:   #3c4f6b;
  --line:       rgba(26,47,74,0.12);

  /* Préscolaire — palette vive */
  --presco-bg:     #fffaf0;
  --presco-green:  #4cae50;
  --presco-yellow: #f4c430;
  --presco-red:    #e2473a;
  --presco-blue:   #3a6fd8;
  --presco-ink:    #2a2550;

  /* Bureau — palette premium bois/acier */
  --bureau-bg:     #f4f1ec;
  --bureau-wood:   #b5652e;
  --bureau-wood-dark: #8f4d22;
  --bureau-graphite: #2b2b2e;
  --bureau-steel:  #9aa0a6;
  --bureau-ink:    #20242b;

  /* Scientifique — palette labo (verre boro + encre carto + corail anatomie) */
  --sci-bg:      #f3f6f4;
  --sci-teal:    #2f6f63;
  --sci-teal-dark: #234f46;
  --sci-glass:   #8fb8ad;
  --sci-coral:   #d3674a;
  --sci-ink:     #1c2b27;
  --sci-paper:   #eef1ea;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "Space Mono", monospace;
  --font-playful: "Baloo 2", var(--font-display);

  --container: 1280px;
  --pad: clamp(20px, 5vw, 64px);

  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: auto; }
body{
  margin:0;
  background: var(--chalk);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
input{ font-family:inherit; }

::selection{ background: var(--terracotta); color: var(--white); }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Grain overlay ---------- */
.grain{
  position: fixed; inset:0; z-index: 9998; pointer-events:none;
  opacity: 0.035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Custom cursor ---------- */
.cursor-dot{
  position: fixed; top:0; left:0; width:10px; height:10px; border-radius:50%;
  background: var(--terracotta); pointer-events:none; z-index:9999;
  transform: translate(-50%,-50%);
  transition: width .25s var(--ease-out), height .25s var(--ease-out), background .25s;
  display:none;
}
@media (hover:hover) and (pointer:fine){
  .cursor-dot{ display:block; }
}
.cursor-dot.is-hover{ width:38px; height:38px; background: rgba(217,98,43,0.18); border: 1.5px solid var(--terracotta); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 1000;
  background: rgba(247,244,238,0.88);
  backdrop-filter: blur(10px);
  transition: transform .4s var(--ease-out);
}
.site-header.is-hidden{ transform: translateY(-100%); }

.header-inner{
  max-width: var(--container); margin:0 auto; padding: 12px var(--pad);
  display:flex; align-items:center; justify-content:space-between;
}
.brand-logo{ height: 72px; width:auto; }

.main-nav{ display:flex; align-items:center; gap: 36px; }
.main-nav a{
  font-size: 14px; font-weight:600; letter-spacing: .02em; color: var(--ink);
  position: relative; padding: 4px 0;
}
.main-nav a:not(.nav-cta)::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: var(--terracotta); transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.main-nav a:not(.nav-cta):hover::after{ transform: scaleX(1); }
.main-nav a.is-current::after{ transform: scaleX(1); background: var(--sci-teal, var(--terracotta)); }
.nav-cta{
  background: var(--ink); color: var(--chalk) !important; padding: 10px 18px !important;
  border-radius: 999px; font-size: 13px;
  transition: background .3s, transform .3s;
}
.nav-cta:hover{ background: var(--terracotta); transform: translateY(-1px); }

.header-ruler{
  height: 4px; width:100%;
  background-image: repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 12px);
  opacity: .5;
}

.nav-toggle{ display:none; flex-direction:column; gap:5px; width: 28px; }
.nav-toggle span{ height:2px; background: var(--ink); width:100%; transition: transform .3s, opacity .3s; }

.mobile-menu{
  position: fixed; inset: 0 0 auto 0; top: 0; z-index: 999;
  background: var(--ink); color: var(--chalk);
  display:flex; flex-direction:column; justify-content:center; gap: 28px;
  padding: 100px var(--pad) 40px;
  transform: translateY(-100%); transition: transform .45s var(--ease-in-out);
  height: 100vh;
}
.mobile-menu.is-open{ transform: translateY(0); }
.mobile-menu a{ font-family: var(--font-display); font-size: 32px; }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative; min-height: 100vh;
  display:flex; align-items:center;
  padding: 140px var(--pad) 80px;
  max-width: var(--container); margin: 0 auto;
  overflow: hidden;
}
.hero-grid-bg{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 30% 40%, black 0%, transparent 70%);
}
.hero-inner{ position: relative; z-index:2; max-width: 620px; }

.hero-eyebrow{
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em;
  color: var(--terracotta-dark); margin: 0 0 22px; text-transform: uppercase;
  display:flex; align-items:center; gap:8px;
}
.eyebrow-mark{ color: var(--slate); }

.hero-title{
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(44px, 7vw, 84px); line-height: 0.98; letter-spacing: -0.01em;
  margin: 0 0 26px; color: var(--ink);
}
.hero-title .line{ display:block; overflow:hidden; }
.hero-title em{ font-style: italic; color: var(--terracotta); font-weight: 500; }

.hero-sub{
  font-size: 17px; line-height: 1.6; color: var(--ink-soft);
  max-width: 460px; margin: 0 0 36px;
}

.hero-actions{ display:flex; gap: 16px; flex-wrap: wrap; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 16px 30px; border-radius: 999px; font-weight:600; font-size: 15px;
  position: relative; overflow:hidden; isolation:isolate;
}
.btn span{ position:relative; z-index:2; }
.btn-primary{ background: var(--ink); color: var(--chalk); }
.btn-primary::before{
  content:""; position:absolute; inset:0; background: var(--terracotta);
  transform: translateY(101%); transition: transform .4s var(--ease-out); z-index:1;
}
.btn-primary:hover::before{ transform: translateY(0); }
.btn-ghost{ background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--chalk); }
.btn-block{ width:100%; }

.hero-visual{
  position: absolute; right: clamp(10px, 4vw, 60px); top: 50%;
  width: min(46vw, 560px);
  transform: translateY(-46%);
  z-index: 1;
}
.hero-product{ width:100%; filter: drop-shadow(0 30px 50px rgba(26,47,74,0.18)); }
.hero-ruler-tag{
  position:absolute; bottom: 6%; left: 50%; transform: translateX(-50%);
  background: var(--white); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-family: var(--font-mono); font-size: 12.5px;
  display:flex; align-items:center; gap:8px; color: var(--ink-soft);
  box-shadow: 0 10px 24px rgba(26,47,74,0.08);
}
.ruler-icon{ color: var(--terracotta); }

.scroll-cue{
  position:absolute; left: var(--pad); bottom: 28px; z-index:2;
  display:flex; align-items:center; gap:12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing:.08em;
  color: var(--slate); text-transform:uppercase;
}
.scroll-cue-line{ width:1px; height: 34px; background: var(--slate); overflow:hidden; position:relative; }
.scroll-cue-line::after{
  content:""; position:absolute; top:-100%; left:0; width:100%; height:100%;
  background: var(--terracotta); animation: scrollLine 1.8s var(--ease-in-out) infinite;
}
@keyframes scrollLine{ 50%{ top:100%; } 100%{ top:100%; } }

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee-strip{
  background: var(--ink); color: var(--chalk); overflow:hidden;
  padding: 16px 0; white-space: nowrap;
}
.marquee-track{ display:inline-flex; gap: 18px; will-change: transform; }
.marquee-track span{
  font-family: var(--font-mono); font-size: 13px; letter-spacing:.06em;
}
.marquee-track .dot{ color: var(--terracotta); }

/* =========================================================
   RANGE PICKER — sélecteur de gamme
   ========================================================= */
.range-picker{
  max-width: var(--container); margin: 0 auto; padding: 30px var(--pad) 90px;
}
.range-picker-head{ text-align:center; max-width: 560px; margin: 0 auto 44px; }
.range-picker-title{
  font-family: var(--font-display); font-weight:600; font-size: clamp(28px, 3.4vw, 40px);
  color: var(--ink); margin: 0;
}
.range-picker .section-eyebrow{ text-align:center; }

.range-cards{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.range-cards-3{ grid-template-columns: 1fr 1fr 1fr; }
.range-cards-4{ grid-template-columns: repeat(4, 1fr); }
.range-card{
  display:flex; flex-direction:column; background: var(--white);
  border: 1px solid var(--line); border-radius: 22px; overflow:hidden;
  position: relative; isolation: isolate;
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.range-card:hover{ transform: translateY(-6px); box-shadow: 0 24px 50px rgba(26,47,74,0.14); }
.range-card-media{
  aspect-ratio: 16/10; overflow:hidden; background: var(--chalk);
  display:flex; align-items:center; justify-content:center;
}
.range-card-media img{ width: 78%; height:78%; object-fit:contain; transition: transform .5s var(--ease-out); }
.range-card:hover .range-card-media img{ transform: scale(1.06); }
.range-card-body{ padding: 26px 28px 30px; }
.range-card-tag{
  font-family: var(--font-mono); font-size: 11.5px; text-transform:uppercase; letter-spacing:.03em;
}
.range-card-scolaire .range-card-tag{ color: var(--terracotta-dark); }
.range-card-presco .range-card-tag{ color: var(--presco-blue); }
.range-card-bureau .range-card-tag{ color: var(--bureau-wood-dark); }
.range-card-body h3{
  font-family: var(--font-display); font-size: 26px; font-weight:600; margin: 10px 0 10px; color: var(--ink);
}
.range-card-presco .range-card-body h3{ font-family: var(--font-playful); }
.range-card-body p{ font-size: 14.5px; color: var(--ink-soft); line-height:1.55; margin: 0 0 18px; }
.range-card-link{
  display:inline-flex; align-items:center; gap:8px; font-weight:700; font-size: 14px; color: var(--ink);
}
.range-card-link .arrow{ transition: transform .3s var(--ease-out); }
.range-card:hover .range-card-link .arrow{ transform: translateX(5px); }
.range-card-scolaire::before{
  content:""; position:absolute; top:0; left:0; right:0; height: 4px; background: var(--terracotta); z-index:2;
}
.range-card-presco::before{
  content:""; position:absolute; top:0; left:0; right:0; height: 4px;
  background: linear-gradient(90deg, var(--presco-green), var(--presco-yellow), var(--presco-red), var(--presco-blue));
  z-index:2;
}
.range-card-bureau::before{
  content:""; position:absolute; top:0; left:0; right:0; height: 4px;
  background: linear-gradient(90deg, var(--bureau-wood), var(--bureau-graphite));
  z-index:2;
}
.range-card-sci .range-card-tag{ color: var(--sci-teal-dark); }
.range-card-sci::before{
  content:""; position:absolute; top:0; left:0; right:0; height: 4px;
  background: repeating-linear-gradient(90deg, var(--sci-teal) 0 10px, var(--sci-coral) 10px 12px);
  z-index:2;
}

/* Badges de gamme, réutilisés dans les en-têtes de catalogue */
.range-badge{
  display:inline-flex; align-items:center; font-size: 12px; font-weight:700;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; letter-spacing:.02em;
}
.range-badge-scolaire{ background: rgba(217,98,43,0.12); color: var(--terracotta-dark); }
.range-badge-presco{
  background: rgba(58,111,216,0.1); color: var(--presco-blue); font-family: var(--font-playful);
}
.range-badge-bureau{
  background: rgba(43,43,46,0.08); color: var(--bureau-graphite);
}
.range-badge-sci{
  background: rgba(47,111,99,0.12); color: var(--sci-teal-dark);
}


.section-eyebrow{
  font-family: var(--font-mono); font-size: 13px; color: var(--terracotta-dark);
  letter-spacing: .04em; margin: 0 0 16px; text-transform: uppercase;
}

/* =========================================================
   INTRO STATS
   ========================================================= */
.intro-stats{
  max-width: var(--container); margin: 0 auto; padding: 110px var(--pad) 90px;
  display:grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items:end;
}
.intro-heading{
  font-family: var(--font-display); font-weight:500; font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.15; color: var(--ink); margin:0; max-width: 560px;
}
.stats-row{ display:flex; gap: 36px; flex-wrap:wrap; }
.stat-item{ display:flex; flex-direction:column; }
.stat-number{
  font-family: var(--font-display); font-size: clamp(40px, 5vw, 60px); font-weight:600;
  color: var(--terracotta); line-height:1;
}
.stat-unit{ font-family: var(--font-display); font-size: 28px; color: var(--terracotta); margin-left:-4px; }
.stat-label{ font-size: 13px; color: var(--ink-soft); max-width: 140px; margin-top: 8px; line-height:1.4; }

/* =========================================================
   CATALOGUE
   ========================================================= */
.catalogue{ max-width: var(--container); margin: 0 auto; padding: 40px var(--pad) 60px; }
.catalogue-head{ max-width: 640px; margin-bottom: 56px; }
.catalogue-title{
  font-family: var(--font-display); font-weight: 600; font-size: clamp(32px, 4.2vw, 52px);
  margin: 0 0 14px; color: var(--ink);
}
.catalogue-sub{ font-size: 16px; color: var(--ink-soft); line-height:1.6; }

/* ---- Index répertoire ---- */
.catalogue-index{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  margin-bottom: 100px; border-radius: 14px; overflow:hidden;
}
.catalogue-index a{
  background: var(--white); padding: 20px 24px; font-size: 15px; font-weight: 600;
  display:flex; flex-direction: column; gap:4px; position:relative;
  transition: background .3s, padding-left .3s;
}
.catalogue-index a::before{
  content: attr(data-index);
  font-family: var(--font-mono); font-size: 11px; color: var(--terracotta);
  position:absolute; top:18px; right:24px;
}
.catalogue-index a span{ font-family: var(--font-mono); font-size: 12px; color: var(--slate); font-weight: 400; }
.catalogue-index a:hover{ background: var(--chalk); padding-left: 32px; }

/* ---- Product card ---- */
.product-card{
  display:grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px);
  align-items: center;
  padding: 70px 0;
  border-bottom: 1px solid var(--line);
}
.product-card:first-of-type{ border-top: 1px solid var(--line); }
.product-card.reverse{ direction: rtl; }
.product-card.reverse .product-info{ direction: ltr; }
.product-card.reverse .product-media{ direction: ltr; }

.product-media{
  position: relative; background: var(--white); border-radius: 18px;
  aspect-ratio: 4/3.1; display:flex; align-items:center; justify-content:center;
  overflow: hidden; border: 1px solid var(--line);
}
.product-media img{
  width: 82%; height: 82%; object-fit: contain;
  will-change: transform;
}
.product-media-split{ display:grid; grid-template-columns: 1fr 1fr; }
.product-media-split img{ width: 92%; height: 92%; }

.media-tag{
  position:absolute; top: 18px; left: 18px;
  background: var(--ink); color: var(--chalk);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing:.03em;
  padding: 6px 12px; border-radius: 999px; z-index: 3;
}

.product-kicker{
  font-family: var(--font-mono); font-size: 12.5px; color: var(--terracotta-dark);
  text-transform: uppercase; letter-spacing:.03em; margin: 0 0 12px;
}
.product-name{
  font-family: var(--font-display); font-weight: 600; font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.18; margin: 0 0 28px; color: var(--ink);
}

.spec-block{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 28px; }
.spec-group h4{
  font-size: 12px; text-transform: uppercase; letter-spacing:.05em; color: var(--slate);
  margin: 0 0 10px; font-weight: 700;
}
.spec-group ul li{
  font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; padding-left: 14px;
  position: relative; margin-bottom: 6px;
}
.spec-group ul li::before{
  content:""; position:absolute; left:0; top:9px; width:5px; height:5px;
  background: var(--terracotta); border-radius:1px;
}
.spec-dim{ font-family: var(--font-mono); font-size: 13px !important; color: var(--ink) !important; }
.spec-dim strong{ font-weight:700; }

.color-row{ display:flex; align-items:center; gap:10px; margin-bottom: 30px; }
.color-label{ font-size: 12.5px; color: var(--slate); margin-right: 4px; }
.swatch{
  width: 26px; height: 26px; border-radius: 50%; background: var(--c);
  border: 2px solid var(--white); box-shadow: 0 0 0 1.5px var(--line);
  position: relative; cursor: default; transition: transform .25s var(--ease-out);
}
.swatch:hover{ transform: scale(1.18); }
.swatch::after{
  content: attr(data-tip);
  position:absolute; bottom: calc(100% + 8px); left:50%; transform: translateX(-50%) scale(.9);
  background: var(--ink); color:var(--chalk); font-size: 11px; padding: 4px 9px; border-radius: 6px;
  white-space:nowrap; opacity:0; pointer-events:none; transition: opacity .2s, transform .2s;
}
.swatch:hover::after{ opacity:1; transform: translateX(-50%) scale(1); }

.product-link{
  display:inline-flex; align-items:center; gap:8px; font-weight: 700; font-size: 14.5px;
  color: var(--ink); border-bottom: 1.5px solid var(--ink); padding-bottom: 3px;
}
.product-link .arrow{ transition: transform .3s var(--ease-out); }
.product-link:hover .arrow{ transform: translateX(5px); }
.product-link:hover{ color: var(--terracotta-dark); border-color: var(--terracotta-dark); }

/* ---- Chair range ---- */
.chair-range{ padding: 80px 0 40px; }
.chair-range-head{ max-width: 600px; margin-bottom: 48px; }
.chair-range-sub{ font-size: 15px; color: var(--ink-soft); line-height: 1.6; margin-top: 14px; }
.chair-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 40px;
}
.chair-item{
  background: var(--white); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 20px 22px; text-align:center;
}
.chair-item img{ height: 160px; width:auto; margin: 0 auto 18px; object-fit: contain; }
.chair-item h4{
  font-family: var(--font-display); font-size: 18px; font-weight:600; margin: 0 0 6px; color: var(--ink);
}
.chair-item h4 span{ color: var(--terracotta); font-family: var(--font-mono); font-size: 14px; font-weight:400; }
.chair-dim{ font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); margin: 0 0 6px; }
.chair-color{ font-size: 12.5px; color: var(--slate); margin:0; }

/* =========================================================
   TRANSITION ENTRE GAMMES
   ========================================================= */
.range-transition{
  max-width: var(--container); margin: 0 auto; padding: 0 var(--pad);
  height: 50px;
}
.range-transition .ruler-svg{ width:100%; height:100%; }
.range-transition .ruler-line{ stroke: var(--presco-blue); stroke-width: 2; stroke-dasharray: 1 11; stroke-linecap: round; opacity: .5; }
.bureau-ruler-line{ stroke: var(--bureau-wood-dark) !important; }

/* =========================================================
   PRÉSCOLAIRE — section à identité propre
   ========================================================= */
.prescolaire{
  position: relative; overflow: hidden;
  background: var(--presco-bg);
  max-width: 100%; margin: 0 auto; padding: 70px var(--pad) 90px;
  border-radius: 0;
}
.presco-blob{
  position:absolute; border-radius: 50%; filter: blur(2px); opacity: 0.16; z-index:0; pointer-events:none;
}
.presco-blob-1{ width: 340px; height: 340px; background: var(--presco-yellow); top: -80px; left: -100px; }
.presco-blob-2{ width: 260px; height: 260px; background: var(--presco-blue); bottom: 10%; right: -80px; }
.presco-blob-3{ width: 200px; height: 200px; background: var(--presco-red); bottom: -60px; left: 30%; }

.presco-head{ position: relative; z-index: 2; max-width: 680px; margin-left:auto; margin-right:auto; margin-bottom: 56px; text-align:center; }
.presco-eyebrow{ color: var(--presco-blue); }
.presco-title{ font-family: var(--font-playful); color: var(--presco-ink); letter-spacing: -0.01em; }
.prescolaire .catalogue-sub{ margin: 0 auto; }

.presco-index{
  position: relative; z-index: 2; max-width: var(--container); margin-left:auto; margin-right:auto;
  margin-bottom: 90px;
}
.presco-index a{ font-family: var(--font-body); }
.presco-index a::before{ color: var(--presco-blue); }
.presco-index a:hover{ background: #fff8e6; }
.presco-index a:last-child:nth-child(odd){ grid-column: 1 / -1; }
.bureau-index a:last-child:nth-child(odd){ grid-column: 1 / -1; }

.presco-card{ position: relative; z-index: 2; border-bottom-color: rgba(58,111,216,0.14); }
.presco-card:first-of-type{ border-top-color: rgba(58,111,216,0.14); }
.presco-media{ background: var(--white); border-radius: 26px; border-color: rgba(58,111,216,0.12); }
.presco-tag{ background: var(--presco-ink); }
.presco-kicker{ color: var(--presco-blue); font-family: var(--font-mono); }
.presco-name{ font-family: var(--font-playful); color: var(--presco-ink); font-weight: 700; }
.presco-note{ font-size: 14px; color: var(--ink-soft); margin: -10px 0 22px; font-style: italic; }
.presco-card .spec-group ul li::before{ background: var(--presco-blue); border-radius: 50%; }
.presco-link{ color: var(--presco-ink); border-bottom-color: var(--presco-ink); }
.presco-link:hover{ color: var(--presco-red); border-color: var(--presco-red); }

/* =========================================================
   BUREAU — section premium bois/acier
   ========================================================= */
.bureau-section{
  position: relative; overflow: hidden;
  background: var(--bureau-bg);
  max-width: 100%; margin: 0 auto; padding: 70px var(--pad) 90px;
}
.bureau-section::before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none; opacity: 0.5;
  background-image: repeating-linear-gradient(90deg, rgba(43,43,46,0.04) 0 1px, transparent 1px 80px);
}

.bureau-head{ position: relative; z-index: 2; max-width: 680px; margin: 0 auto 56px; text-align:center; }
.bureau-eyebrow{ color: var(--bureau-wood-dark); }
.bureau-title{ color: var(--bureau-ink); letter-spacing: -0.01em; }
.bureau-section .catalogue-sub{ margin: 0 auto; }

.bureau-index{ position: relative; z-index: 2; max-width: var(--container); margin: 0 auto 90px; }
.bureau-index a::before{ color: var(--bureau-wood-dark); }
.bureau-index a:hover{ background: #efe9e0; }

.bureau-card{ position: relative; z-index: 2; border-bottom-color: rgba(43,43,46,0.1); }
.bureau-card:first-of-type{ border-top-color: rgba(43,43,46,0.1); }
.bureau-media{ background: var(--white); border-radius: 14px; border-color: rgba(43,43,46,0.1); }
.bureau-tag{ background: var(--bureau-ink); }
.bureau-kicker{ color: var(--bureau-wood-dark); font-family: var(--font-mono); }
.bureau-name{ color: var(--bureau-ink); font-weight: 600; }
.bureau-card .spec-group ul li::before{ background: var(--bureau-wood-dark); border-radius: 1px; }
.bureau-link{ color: var(--bureau-ink); border-bottom-color: var(--bureau-ink); }
.bureau-link:hover{ color: var(--bureau-wood-dark); border-color: var(--bureau-wood-dark); }

/* Liste de dimensions disponibles (Bureau) */
.dim-options{ display:flex; flex-wrap:wrap; gap: 8px; margin: 4px 0 26px; }
.dim-option{
  font-family: var(--font-mono); font-size: 12.5px; color: var(--bureau-ink);
  background: rgba(43,43,46,0.06); border: 1px solid rgba(43,43,46,0.14);
  padding: 7px 13px; border-radius: 999px;
}

/* =========================================================
   SAVOIR-FAIRE
   ========================================================= */
.savoir-faire{ max-width: var(--container); margin: 0 auto; padding: 40px var(--pad) 120px; }
.ruler-divider{ width:100%; height: 60px; margin-bottom: 70px; }
.ruler-svg{ width:100%; height:100%; overflow: visible; }
.ruler-line{
  stroke: var(--ink); stroke-width: 2;
  stroke-dasharray: 1 11;
  stroke-linecap: round;
}

.savoir-head{ max-width: 620px; margin-bottom: 60px; }
.savoir-title{
  font-family: var(--font-display); font-weight: 600; font-size: clamp(28px, 3.6vw, 44px);
  margin:0; color: var(--ink); line-height: 1.15;
}
.savoir-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.savoir-item{ border-top: 2px solid var(--ink); padding-top: 22px; }
.savoir-num{ font-family: var(--font-mono); font-size: 13px; color: var(--terracotta); }
.savoir-item h3{
  font-family: var(--font-display); font-size: 20px; font-weight:600; margin: 10px 0 12px; color: var(--ink);
}
.savoir-item p{ font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; margin:0; }

/* =========================================================
   CONTACT
   ========================================================= */
.contact-section{ background: var(--ink); color: var(--chalk); padding: 120px var(--pad); }
.contact-inner{ max-width: var(--container); margin: 0 auto; }
.contact-eyebrow{ color: var(--cherry); }
.contact-title{
  font-family: var(--font-display); font-weight: 600; font-size: clamp(36px, 5.2vw, 64px);
  margin: 0 0 18px;
}
.contact-sub{ font-size: 16px; color: rgba(247,244,238,0.7); max-width: 520px; line-height:1.6; margin-bottom: 60px; }

.contact-grid{ display:grid; grid-template-columns: 1fr 1.2fr; gap: 70px; }

.contact-channels{ display:flex; flex-direction:column; }
.channel-line{
  display:flex; justify-content:space-between; align-items:center;
  padding: 18px 0; border-bottom: 1px solid rgba(247,244,238,0.15);
  transition: padding-left .3s var(--ease-out);
}
.channel-line:hover{ padding-left: 10px; }
.channel-label{ font-family: var(--font-mono); font-size: 12px; color: var(--cherry); text-transform:uppercase; }
.channel-value{ font-size: 17px; font-weight: 600; }

.contact-form{ display:flex; flex-direction:column; gap: 18px; }
.form-row{ display:flex; flex-direction:column; gap: 8px; }
.form-row label{ font-size: 12.5px; color: rgba(247,244,238,0.6); }
.form-row input, .form-row select{
  background: rgba(247,244,238,0.06); border: 1px solid rgba(247,244,238,0.2);
  border-radius: 10px; padding: 14px 16px; color: var(--chalk); font-size: 15px;
  transition: border-color .25s, background .25s;
}
.form-row select{
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23f7f4ee' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
.form-row select option{ background: var(--ink); color: var(--chalk); }
.form-row input::placeholder{ color: rgba(247,244,238,0.35); }
.form-row input:focus, .form-row select:focus{ outline:none; border-color: var(--terracotta); background: rgba(247,244,238,0.1); }
.contact-form .btn-primary{ background: var(--terracotta); color: var(--ink); margin-top: 8px; }
.contact-form .btn-primary::before{ background: var(--chalk); }
.contact-form .btn-primary:hover{ color: var(--ink); }
.contact-form .btn-primary span{ position:relative; z-index:2; }
.form-note{ font-size: 13px; color: var(--cherry); min-height: 18px; margin: 0; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background: var(--ink); color: rgba(247,244,238,0.55); padding: 36px var(--pad) 50px; border-top: 1px solid rgba(247,244,238,0.1); }
.footer-inner{ max-width: var(--container); margin: 0 auto; text-align:center; }
.footer-logo-wrap{
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--chalk); border-radius: 16px; padding: 14px 28px; margin: 0 auto 18px;
}
.footer-logo{ height: 56px; width:auto; display:block; }
.footer-inner p{ font-size: 13px; margin: 4px 0; }
.footer-fine{ font-size: 11.5px; opacity:.7; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1100px){
  .range-cards-3{ grid-template-columns: 1fr 1fr; }
  .range-cards-4{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .hero{ padding-top: 120px; }
  .hero-visual{ position: relative; width: 90%; margin: 50px auto 0; right:auto; top:auto; transform:none; }
  .hero-inner{ max-width:100%; }
  .intro-stats{ grid-template-columns: 1fr; gap: 36px; }
  .product-card, .product-card.reverse{ grid-template-columns: 1fr; direction: ltr; }
  .spec-block{ grid-template-columns: 1fr; gap: 18px; }
  .catalogue-index{ grid-template-columns: 1fr; }
  .chair-grid{ grid-template-columns: repeat(2,1fr); }
  .savoir-grid{ grid-template-columns: repeat(2,1fr); }
  .contact-grid{ grid-template-columns: 1fr; gap: 50px; }
  .range-cards{ grid-template-columns: 1fr; }
  .range-cards-3{ grid-template-columns: 1fr; }
  .range-cards-4{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .chair-grid{ grid-template-columns: 1fr; }
  .savoir-grid{ grid-template-columns: 1fr; }
  .hero-title{ font-size: 13vw; }
  .product-media-split{ grid-template-columns: 1fr; }
  .presco-blob{ opacity: 0.1; }
  .presco-blob-1{ width: 200px; height: 200px; }
  .presco-blob-2{ width: 160px; height: 160px; }
}