/* ==========================================================================
   Sections : Hero, La méthode, Expertises, Univers, Manifeste, CTA, Footer
   ========================================================================== */

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;justify-content:center;
  padding:140px var(--gutter) 120px;overflow:hidden;
  color:var(--ivo);
}
.hero-inner{
  position:relative;z-index:2;max-width:1100px;margin:0 auto;
  display:flex;flex-direction:column;align-items:center;text-align:center;
  transform:translate3d(0, var(--hy,0px), 0) scale(var(--hs,1));
  opacity:var(--ho,1);
  filter:blur(var(--hb,0px));
  will-change:transform, opacity;
}
.hero [data-depth]{transform:translate3d(var(--px,0px),var(--py,0px),0);}
.hero-mark{
  width:clamp(64px, 6.4vw, 92px);height:auto;color:var(--ivo);margin-bottom:44px;
  opacity:0;transform:translateY(20px) scale(.92);
  transition:opacity 1.4s var(--ease-out), transform 1.6s var(--ease-out);
}
.hero-eyebrow{
  font-size:13px;font-weight:500;letter-spacing:0.04em;color:var(--or);margin-bottom:30px;
  opacity:0;transform:translateY(12px);
  transition:opacity 1.2s var(--ease-out) .35s, transform 1.2s var(--ease-out) .35s;
}
.hero-title{
  font-size:var(--fs-display);font-weight:800;line-height:var(--lh-tight);
  letter-spacing:var(--track-display);max-width:14ch;text-wrap:balance;
}
.hero-title .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding:0.06em 0.02em 0.1em;margin:-0.06em -0.02em -0.1em;}
.hero-title .w > span{
  display:inline-block;
  transform:translateY(112%) scale(.96);opacity:0;filter:blur(8px);
  transition:transform 1.3s var(--ease-out) calc(.55s + var(--i) * 80ms),
             opacity 1s var(--ease-out) calc(.55s + var(--i) * 80ms),
             filter 1.3s var(--ease-out) calc(.55s + var(--i) * 80ms);
}
.hero-sub{
  margin-top:36px;max-width:56ch;font-size:var(--fs-lead);line-height:1.65;font-weight:300;
  color:var(--muted-dark);
  opacity:0;transform:translateY(18px);
  transition:opacity 1.2s var(--ease-out) 1.15s, transform 1.2s var(--ease-out) 1.15s;
}
.hero-ctas{
  display:flex;gap:14px;margin-top:44px;flex-wrap:wrap;justify-content:center;
  opacity:0;transform:translateY(16px);
  transition:opacity 1.2s var(--ease-out) 1.35s, transform 1.2s var(--ease-out) 1.35s;
}
.hero.is-in .hero-mark,.hero.is-in .hero-eyebrow,.hero.is-in .hero-sub,.hero.is-in .hero-ctas{opacity:1;transform:none;}
.hero.is-in .hero-title .w > span{transform:none;opacity:1;filter:blur(0);}
html.reduced-motion .hero-mark,html.reduced-motion .hero-eyebrow,html.reduced-motion .hero-sub,html.reduced-motion .hero-ctas{opacity:1;transform:none;}
html.reduced-motion .hero-title .w > span{transform:none;opacity:1;filter:none;}

.hero-tags{
  position:absolute;left:var(--gutter);bottom:36px;z-index:2;
  display:flex;gap:26px;
  font-size:var(--fs-micro);font-weight:500;letter-spacing:0.06em;color:var(--muted-dark-2);
  opacity:0;transition:opacity 1.4s var(--ease-out) 1.8s;
}
.hero.is-in .hero-tags{opacity:1;}
.hero-tags li{position:relative;}
.hero-tags li + li::before{content:"";position:absolute;left:-15px;top:50%;width:3px;height:3px;border-radius:50%;background:var(--vio);transform:translateY(-50%);}
.hero-scroll{
  position:absolute;right:var(--gutter);bottom:36px;z-index:2;
  width:44px;height:64px;display:flex;justify-content:center;
  opacity:0;transition:opacity 1.4s var(--ease-out) 1.9s;
}
.hero.is-in .hero-scroll{opacity:1;}
.hero-scroll-line{
  position:relative;width:1px;height:100%;background:rgba(var(--ivo-rgb),0.15);overflow:hidden;
}
.hero-scroll-line::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:40%;background:var(--ivo);
  animation:scrollHint 2.6s var(--ease-inout) infinite;
}
@keyframes scrollHint{0%{transform:translateY(-100%);}55%,100%{transform:translateY(260%);}}
/* Écrans peu hauts (laptops) : le hero se resserre pour tenir dans l'écran */
@media (max-height:800px) and (min-width:900px){
  .hero{padding-top:110px;padding-bottom:100px;}
  .hero-mark{width:clamp(56px,5vw,72px);margin-bottom:28px;}
  .hero-eyebrow{margin-bottom:20px;}
  .hero-sub{margin-top:24px;font-size:16px;max-width:60ch;}
  .hero-ctas{margin-top:30px;}
}

/* ---------- LA MÉTHODE ---------- */
.s-methode{padding:0;}
.methode-pin{position:relative;height:340vh;}
.methode-stage{
  position:sticky;top:0;height:100vh;height:100svh;
  display:flex;flex-direction:column;justify-content:center;gap:clamp(40px,6vh,80px);
  padding:100px 0 60px;
}
.methode-stage .s-head{margin-bottom:0;}
.pillars{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  padding-top:56px;
}
.timeline{position:absolute;left:0;right:0;top:0;height:1px;}
.timeline-track{position:absolute;inset:0;background:rgba(var(--ivo-rgb),0.12);}
.timeline-fill{
  position:absolute;inset:0;background:linear-gradient(90deg, var(--vio-deep), var(--vio), var(--vio-2));
  transform-origin:left center;transform:scaleX(var(--p,0));
  box-shadow:0 0 18px rgba(var(--vio-rgb),0.55);
}
.timeline-dot{
  position:absolute;top:50%;left:0;width:10px;height:10px;border-radius:50%;margin:-5px 0 0 -5px;
  background:var(--ivo);box-shadow:0 0 0 6px rgba(var(--vio-rgb),0.22), 0 0 30px rgba(var(--vio-rgb),0.9);
  transform:translate3d(var(--x,0px),0,0);
}
.pillar{
  position:relative;padding:0 clamp(18px,2.4vw,40px) 0 0;
  transform:translate3d(var(--fx,0px), var(--fy,0px), 0) scale(var(--sc,1));
  transform-origin:left top;
  transition:transform 1.2s var(--ease-out), opacity 1s var(--ease-out);
  --sc:1;--dim:.42;
}
.pillar + .pillar{padding-left:clamp(18px,2.4vw,40px);border-left:1px solid rgba(var(--ivo-rgb),0.08);}
.pillar::before{
  content:"";position:absolute;left:0;top:-56px;width:1px;height:26px;
  background:rgba(var(--ivo-rgb),0.18);
}
.pillar:first-child::before{left:0;}
.pillar-num{
  display:block;font-size:13px;font-weight:600;letter-spacing:0.04em;color:var(--muted-dark-2);margin-bottom:26px;
  transition:color .8s var(--ease-out);
}
.pillar h3{
  font-size:clamp(22px, 2.2vw, 32px);font-weight:700;letter-spacing:0.02em;text-transform:uppercase;
  color:rgba(var(--ivo-rgb),var(--dim));margin-bottom:18px;line-height:1.1;
  transition:color .9s var(--ease-out);
}
.pillar p{
  font-size:14.5px;line-height:1.6;color:rgba(var(--ivo-rgb),0.32);max-width:30ch;
  transition:color .9s var(--ease-out);
}
.pillar-tags{
  display:block;margin-top:22px;font-size:12px;letter-spacing:0.02em;color:var(--or);
  opacity:0;transform:translateY(8px);
  transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.pillar.is-active{--sc:1.03;}
.pillar.is-active .pillar-num{color:var(--vio-2);}
.pillar.is-active h3{color:var(--ivo);}
.pillar.is-active p{color:var(--muted-dark);}
.pillar.is-active .pillar-tags{opacity:1;transform:none;}
.pillar.is-past h3{color:rgba(var(--ivo-rgb),0.62);}
.pillar.is-past .pillar-num{color:var(--vio-deep);}
@media (hover:hover){
  .pillar:hover{--sc:1.02;--fy:-4px;}
  .pillar:hover h3{color:var(--ivo);}
  .pillar:hover p{color:var(--muted-dark);}
  .pillar:hover .pillar-tags{opacity:1;transform:none;}
}
/* Entrée progressive des piliers */
.pillar.rv{transition:opacity 1.2s var(--ease-out) calc(var(--i) * 120ms), transform 1.2s var(--ease-out) calc(var(--i) * 120ms);}

/* ---------- EXPERTISES ---------- */
.s-expertises{padding:var(--s-pad) 0;}
.exp-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line-light);
  border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light);
}
.exp{
  position:relative;background:var(--ivo);min-height:300px;
  padding:clamp(32px,3vw,48px) clamp(26px,2.6vw,40px);
  transform:translate3d(0,0,0);
  overflow:hidden;
}
.exp-light{
  position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%), rgba(var(--vio-rgb),0.13), rgba(var(--vio-rgb),0.03) 45%, transparent 70%);
  transition:opacity 1.1s var(--ease-out);
}
.exp::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:var(--white);transition:opacity 1.1s var(--ease-out);
}
.exp.is-hover .exp-light{opacity:1;}
.exp.is-hover::after{opacity:.55;}
.exp-body{
  position:relative;z-index:1;height:100%;display:flex;flex-direction:column;
  transform:translate3d(var(--tx,0px),var(--ty,0px),0);
  will-change:transform;
}
.exp-light{transform:translate3d(var(--lx,0px),var(--ly,0px),0) scale(1.08);}
.exp-index{
  font-size:12px;font-weight:600;letter-spacing:0.04em;color:var(--muted-light-2);
  margin-bottom:auto;
}
.exp h3{
  font-size:var(--fs-h3);font-weight:600;letter-spacing:-0.015em;line-height:1.25;
  margin-top:56px;margin-bottom:14px;max-width:16ch;
  color:var(--obs);
}
.exp p{font-size:14.5px;line-height:1.6;color:var(--muted-light);max-width:34ch;}
.exp.is-hover .exp-index{color:var(--vio-deep);}

/* ---------- UNIVERS ---------- */
.s-univers{padding:var(--s-pad) 0;overflow:hidden;}
.worlds{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px);
  align-items:start;
}
.worlds-col{
  display:flex;flex-direction:column;gap:clamp(16px,2vw,28px);
  transform:translate3d(0,var(--cy,0px),0);
  will-change:transform;
}
.worlds-col:nth-child(2){margin-top:clamp(60px,9vw,140px);}
.worlds-col:nth-child(3){margin-top:clamp(20px,4vw,60px);}
.world{
  position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;
  isolation:isolate;
  transform:translate3d(0,0,0);
}
.world-bg,.world-orb,.world-text{
  transform:translate3d(var(--lx,0px),var(--ly,0px),0) scale(var(--ls,1));
  transition:transform 1.4s var(--ease-out);
}
.world-bg{position:absolute;inset:-8%;z-index:0;}
/* Motif de marque : le symbole en camaïeu, à très faible opacité (charte ch.05) */
.world-mark{
  position:absolute;z-index:1;right:-22%;top:-6%;width:92%;height:auto;
  color:currentColor;opacity:.07;pointer-events:none;
}
.world-orb{
  position:absolute;z-index:1;width:110%;aspect-ratio:1;left:50%;top:22%;
  margin-left:-55%;border-radius:50%;
  opacity:.9;
}
.world-text{
  position:absolute;z-index:2;left:clamp(22px,2.4vw,32px);right:clamp(22px,2.4vw,32px);bottom:clamp(22px,2.4vw,32px);
}
.world h3{font-size:clamp(20px,1.7vw,26px);font-weight:700;letter-spacing:-0.02em;line-height:1.15;}
.world p{margin-top:10px;font-size:13.5px;font-weight:300;opacity:.72;max-width:26ch;
  transform:translateY(6px);opacity:0;transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);}
.world.is-hover p,.world:focus-within p{opacity:.78;transform:none;}
.world.is-hover .world-bg{--ls:1.06;}
.world.is-hover .world-orb{--ls:1.08;}
.world::after{
  content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(var(--ivo-rgb),0.08);
}
/* Chaque univers : une matière, une lumière */
.w-hotel{color:#fff;}
.w-hotel .world-bg{background:linear-gradient(150deg,#6C3BFF 0%,#3A1FAE 100%);}
.w-hotel .world-orb{background:radial-gradient(circle, rgba(217,164,65,0.42) 0%, rgba(217,164,65,0.12) 28%, transparent 64%);}
.w-tech{color:#fff;}
.w-tech .world-bg{background:linear-gradient(160deg,#1D1D21 0%,#0B0B0D 100%);}
.w-tech .world-orb{background:radial-gradient(circle, rgba(108,59,255,0.55) 0%, rgba(108,59,255,0.16) 28%, transparent 64%);}
.w-beaute{color:var(--obs);}
.w-beaute .world-bg{background:linear-gradient(150deg,#D9A441 0%,#B9832E 100%);}
.w-beaute .world-orb{background:radial-gradient(circle, rgba(245,242,234,0.5) 0%, rgba(245,242,234,0.14) 28%, transparent 64%);}
.w-food{color:var(--obs);}
.w-food .world-bg{background:linear-gradient(150deg,#F5F2EA 0%,#DACEFF 100%);}
.w-food .world-orb{background:radial-gradient(circle, rgba(108,59,255,0.34) 0%, rgba(108,59,255,0.09) 28%, transparent 64%);}
.w-mode{color:#fff;}
.w-mode .world-bg{background:linear-gradient(150deg,#916CFF 0%,#6C3BFF 100%);}
.w-mode .world-orb{background:radial-gradient(circle, rgba(11,11,13,0.36) 0%, rgba(11,11,13,0.1) 28%, transparent 64%);}
.w-finance{color:var(--obs);}
.w-finance .world-bg{background:linear-gradient(150deg,#ECD2A0 0%,#D9A441 100%);}
.w-finance .world-orb{background:radial-gradient(circle, rgba(11,11,13,0.28) 0%, rgba(11,11,13,0.07) 28%, transparent 64%);}
.w-food p,.w-beaute p,.w-finance p{color:var(--muted-light);}

/* ---------- MANIFESTE ---------- */
.s-manifesto{padding:clamp(180px,28vh,320px) 0;}
.manifesto{max-width:1000px;}
.manifesto-line{
  font-size:clamp(30px, 4.9vw, 70px);font-weight:300;line-height:1.16;letter-spacing:-0.025em;
  color:var(--obs);text-wrap:balance;
}
.manifesto-line + .manifesto-line{margin-top:.35em;}
.manifesto-line-2{margin-top:1.4em !important;}
.manifesto em{font-style:normal;font-weight:600;}
.manifesto .mw{
  display:inline-block;opacity:.14;
  transform:translateY(0);
  transition:opacity .9s var(--ease-out), color .9s var(--ease-out), transform .9s var(--ease-out);
}
.manifesto .mw.is-lit{opacity:1;}
.manifesto em .mw.is-lit{color:var(--vio-deep);}
.manifesto cite{
  display:block;margin-top:clamp(48px,6vw,80px);font-style:normal;
  font-size:var(--fs-small);font-weight:500;letter-spacing:0.02em;color:var(--muted-light-2);
  opacity:0;transform:translateY(10px);transition:opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.manifesto.is-done cite{opacity:1;transform:none;}
html.reduced-motion .manifesto .mw{opacity:1;}
html.reduced-motion .manifesto em .mw{color:var(--vio-deep);}
html.reduced-motion .manifesto cite{opacity:1;transform:none;}

/* ---------- CTA FINAL ---------- */
.s-cta{
  min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;
  padding:var(--s-pad) 0;overflow:hidden;text-align:center;
  perspective:1200px;
}
.cta-ring{
  position:absolute;left:50%;top:50%;width:min(66vmin, 720px);aspect-ratio:1;
  margin-left:calc(min(66vmin,720px) / -2);margin-top:calc(min(66vmin,720px) / -2);
  border-radius:50%;border:1px solid rgba(var(--ivo-rgb),0.10);
  transform:translate3d(var(--ox,0px),var(--oy,0px),0) rotateX(var(--rx,62deg)) rotateY(var(--ry,0deg)) rotate(var(--rz,0deg));
  transform-style:preserve-3d;pointer-events:none;
  will-change:transform;
}
.cta-ring::before{
  content:"";position:absolute;inset:12%;border-radius:50%;border:1px solid rgba(var(--or-rgb),0.16);
  transform:translateZ(40px);
}
.cta-ring::after{
  content:"";position:absolute;left:50%;top:-3px;width:6px;height:6px;border-radius:50%;margin-left:-3px;
  background:var(--ivo);box-shadow:0 0 20px rgba(var(--ivo-rgb),0.8);
}
.cta-inner{display:flex;flex-direction:column;align-items:center;z-index:2;}
.cta-title{
  font-size:clamp(40px, 6.2vw, 92px);font-weight:700;line-height:1.02;letter-spacing:-0.035em;
  max-width:14ch;text-wrap:balance;
}
.cta-lead{margin-top:28px;font-size:var(--fs-lead);font-weight:300;color:var(--muted-dark);max-width:40ch;}
.cta-actions{display:flex;flex-direction:column;align-items:center;gap:26px;margin-top:52px;}
.cta-actions .link-line{font-size:14px;color:var(--muted-dark);}
.cta-actions .link-line:hover{color:var(--ivo);}

/* ---------- FOOTER ---------- */
.footer{
  position:relative;z-index:var(--z-content);color:var(--ivo);
  padding:clamp(80px,9vw,120px) 0 36px;border-top:1px solid var(--line-dark);overflow:hidden;
  background:rgba(var(--obs-rgb),0.6);
}
.footer-watermark{
  position:absolute;right:-6%;bottom:-14%;width:46vw;max-width:720px;height:auto;
  color:var(--ivo);opacity:.045;pointer-events:none;
}
.footer-top{display:flex;justify-content:space-between;gap:60px;flex-wrap:wrap;padding-bottom:72px;position:relative;}
.footer-brand img{height:32px;width:auto;margin-bottom:22px;} /* ≥ 32px : taille minimale écran, charte ch.04 */
.footer-brand p{font-size:13.5px;color:var(--muted-dark);max-width:30ch;line-height:1.65;font-weight:300;}
.footer-cols{display:flex;gap:clamp(40px,6vw,96px);flex-wrap:wrap;}
.footer-col h4{font-size:12.5px;font-weight:600;letter-spacing:0.02em;color:var(--muted-dark-2);margin-bottom:20px;}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted-dark);}
.footer-col a:hover{color:var(--ivo);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding-top:28px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12.5px;color:var(--muted-dark-2);position:relative;
}
.footer-bottom .tagline{color:var(--or);font-weight:500;letter-spacing:0.02em;}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1100px){
  .exp-grid{grid-template-columns:repeat(2,1fr);}
  .exp{min-height:260px;}
}
@media (max-width:900px){
  .s-head-split{grid-template-columns:1fr;gap:22px;align-items:start;}
  .s-lead{max-width:48ch;}

  /* Méthode : plus de pin, une timeline verticale qui se remplit au scroll */
  .methode-pin{height:auto;}
  .methode-stage{position:static;height:auto;padding:var(--s-pad) 0 calc(var(--s-pad) * .7);gap:64px;}
  .pillars{grid-template-columns:1fr;padding-top:0;padding-left:34px;gap:52px;}
  .timeline{left:0;top:0;bottom:0;right:auto;width:1px;height:auto;}
  .timeline-fill{background:linear-gradient(180deg, var(--vio-deep), var(--vio), var(--vio-2));transform-origin:center top;transform:scaleY(var(--p,0));}
  .timeline-dot{left:50%;top:0;transform:translate3d(0,var(--y,0px),0);}
  .pillar{padding:0;--dim:.62;}
  .pillar + .pillar{padding-left:0;border-left:none;}
  .pillar::before{left:-34px;top:8px;width:18px;height:1px;}
  .pillar h3{font-size:26px;}
  .pillar p{max-width:40ch;}

  .worlds{grid-template-columns:repeat(2,1fr);}
  .worlds-col:nth-child(3){grid-column:1 / -1;flex-direction:row;margin-top:0;}
  .worlds-col:nth-child(3) .world{flex:1;aspect-ratio:4/3;}
  .worlds-col:nth-child(2){margin-top:clamp(40px,8vw,90px);}

  .cta-ring{width:min(90vmin,520px);margin-left:calc(min(90vmin,520px) / -2);margin-top:calc(min(90vmin,520px) / -2);}
}
@media (max-width:640px){
  :root{--s-pad:clamp(96px, 22vw, 140px);}
  .hero{padding:120px var(--gutter) 130px;}
  .hero-title{max-width:12ch;}
  .hero-sub{font-size:15.5px;}
  .hero-ctas{flex-direction:column;align-items:stretch;width:100%;max-width:340px;}
  .hero-tags{left:var(--gutter);right:var(--gutter);gap:18px;flex-wrap:wrap;bottom:28px;}
  .hero-tags li + li::before{left:-11px;}
  .hero-scroll{display:none;}
  .exp-grid{grid-template-columns:1fr;}
  .exp{min-height:0;padding:34px 24px;}
  .exp h3{margin-top:28px;}
  .worlds{grid-template-columns:1fr;gap:16px;}
  .worlds-col{gap:16px;}
  .worlds-col:nth-child(2),.worlds-col:nth-child(3){margin-top:0;}
  .worlds-col:nth-child(3){flex-direction:column;}
  .worlds-col:nth-child(3) .world{aspect-ratio:5/4;}
  .world{aspect-ratio:5/4;}
  .world p{opacity:.72;transform:none;}
  .s-light{border-radius:18px 18px 0 0;}
  .s-light.s-manifesto{border-radius:18px;}
  .footer-top{flex-direction:column;gap:44px;}
  .footer-cols{gap:36px;}
  .footer-watermark{width:80vw;right:-20%;bottom:-6%;}
}