/* ==========================================================================
   Crystal Trois — design system
   Palette minérale : obsidienne, quartz, émeraude (issue du logo)
   Typo : Fraunces (display) · Instrument Sans (texte) · JetBrains Mono (repères)
   ========================================================================== */

:root{
  --obsidian:#0B100E;
  --obsidian-2:#121A16;
  --obsidian-3:#1A2420;
  --quartz:#ECEFEA;
  --quartz-2:#E2E7E1;
  --quartz-3:#D5DCD5;
  --ink:#0F1613;
  --graphite:#5B6862;
  --mist:#A7B3AB;
  --hair-dark:rgba(236,239,234,.12);
  --hair-light:rgba(15,22,19,.12);
  --emerald:#17B076;
  --emerald-2:#22C285;
  --teal:#0E8F87;
  --emerald-deep:#0E5E45;
  --grad:linear-gradient(135deg,#25BF76 0%,#0E8F87 100%);
  --grad-soft:linear-gradient(135deg,rgba(37,191,118,.18) 0%,rgba(14,143,135,.18) 100%);

  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-body:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;

  --fs-hero:clamp(2.6rem,6.1vw,6.4rem);
  --fs-h1:clamp(2.5rem,5.6vw,5.5rem);
  --fs-h2:clamp(2rem,4.2vw,4rem);
  --fs-h3:clamp(1.5rem,2.4vw,2.25rem);
  --fs-h4:clamp(1.25rem,1.6vw,1.5rem);
  --fs-lead:clamp(1.125rem,1.5vw,1.45rem);
  --fs-body:1.0625rem;
  --fs-small:.9rem;
  --fs-mono:.75rem;

  --gutter:clamp(1.25rem,4vw,4rem);
  --max:1560px;
  --section:clamp(5rem,12vw,11rem);
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --dur:.9s;

  --bg:var(--obsidian);
  --fg:var(--quartz);
  --muted:var(--mist);
  --hair:var(--hair-dark);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--obsidian);color:var(--quartz);font-family:var(--font-body);font-size:var(--fs-body);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--emerald);color:var(--obsidian)}
:focus-visible{outline:2px solid var(--emerald);outline-offset:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- theme sections ---------- */
[data-theme="light"]{--bg:var(--quartz);--fg:var(--ink);--muted:var(--graphite);--hair:var(--hair-light);background:var(--bg);color:var(--fg)}
[data-theme="dark"]{--bg:var(--obsidian);--fg:var(--quartz);--muted:var(--mist);--hair:var(--hair-dark);background:var(--bg);color:var(--fg)}
[data-theme="deep"]{--bg:var(--obsidian-2);--fg:var(--quartz);--muted:var(--mist);--hair:var(--hair-dark);background:var(--bg);color:var(--fg)}

/* ---------- typographie ---------- */
.display,.h1,.h2,.h3,.h4{font-family:var(--font-display);font-weight:400;letter-spacing:-.02em;line-height:1;font-variation-settings:"opsz" 144,"SOFT" 30,"WONK" 0}
.display{font-size:var(--fs-hero);line-height:.98;letter-spacing:-.03em}
.h1{font-size:var(--fs-h1);line-height:1}
.h2{font-size:var(--fs-h2);line-height:1.04}
.h3{font-size:var(--fs-h3);line-height:1.12;letter-spacing:-.015em}
.h4{font-size:var(--fs-h4);line-height:1.2;letter-spacing:-.01em;font-variation-settings:"opsz" 48,"SOFT" 30}
em,.it{font-family:var(--font-display);font-style:italic;font-weight:400;font-variation-settings:"opsz" 144,"SOFT" 60,"WONK" 1}
.accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
/* titres découpés en mots : le dégradé doit porter sur les spans internes (WebKit mobile n'applique pas
   background-clip:text à un parent dont les enfants sont transformés/masqués) */
.accent--split{background:none;color:inherit;-webkit-text-fill-color:currentColor}
.accent--split .w>span.p{background:none;color:inherit;-webkit-text-fill-color:currentColor}
.accent--split .w>span:not(.p){background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;padding-bottom:.08em;margin-bottom:-.08em}
@supports not ((-webkit-background-clip:text) or (background-clip:text)){.accent,.accent--split .w>span,.fact .num i{background:none;color:var(--emerald);-webkit-text-fill-color:var(--emerald)}}
.lead{font-size:var(--fs-lead);line-height:1.45;letter-spacing:-.01em;max-width:34ch}
.body{max-width:60ch}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono);font-size:var(--fs-mono);letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.eyebrow{display:inline-flex;align-items:center;gap:.75rem;font-family:var(--font-mono);font-size:var(--fs-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:2rem;height:1px;background:var(--emerald)}
.num{font-family:var(--font-display);font-variation-settings:"opsz" 144,"SOFT" 0;letter-spacing:-.04em;line-height:.8}
.small{font-size:var(--fs-small)}
.prose p+p{margin-top:1.1em}
.prose{max-width:62ch}
.prose.muted{color:var(--muted)}
.tight p+p{margin-top:.5em}
.max-40{max-width:40ch}.max-48{max-width:48ch}.max-56{max-width:56ch}.max-70{max-width:70ch}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section);position:relative;overflow:clip}
.section--tight{padding-block:clamp(3.5rem,8vw,7rem)}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem)}
.col-4{grid-column-end:span 4}.col-5{grid-column-end:span 5}.col-6{grid-column-end:span 6}.col-7{grid-column-end:span 7}.col-8{grid-column-end:span 8}.col-12{grid-column-end:span 12}
.off-1{grid-column-start:2}.off-2{grid-column-start:3}.off-5{grid-column-start:6}.off-6{grid-column-start:7}.off-7{grid-column-start:8}
@media (max-width:900px){.grid>[class*="col-"]{grid-column:1/-1}.grid>[class*="off-"]{grid-column-start:1}}
.hr{height:1px;background:var(--hair);border:0;margin:0}
.section-head{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);align-items:end;margin-bottom:clamp(3rem,6vw,5.5rem)}
.section-head .eyebrow{grid-column:1/-1;margin-bottom:1.25rem}
.section-head .h2{grid-column:span 8}
.section-head .lead{grid-column:span 4;color:var(--muted);align-self:end}
@media (max-width:900px){.section-head .h2,.section-head .lead{grid-column:1/-1}}
.stack>*+*{margin-top:var(--stack,1.25rem)}

/* ---------- grain & décor ---------- */
.grain{pointer-events:none;position:fixed;inset:0;z-index:2000;opacity:.055;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:220px 220px}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.55}
.glow--emerald{background:radial-gradient(circle,rgba(37,191,118,.45),transparent 65%)}
.glow--teal{background:radial-gradient(circle,rgba(14,143,135,.4),transparent 65%)}
.rule-v{position:absolute;top:0;bottom:0;width:1px;background:var(--hair)}

/* logo mark en masque (recolorable) */
.mark{display:inline-block;width:2.6rem;aspect-ratio:1;background:currentColor;-webkit-mask:url("../img/logo-mark-512.png") center/contain no-repeat;mask:url("../img/logo-mark-512.png") center/contain no-repeat}
.mark--grad{background:var(--grad)}
.mark--xl{width:min(70vw,720px)}

/* ---------- navigation ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:1000;mix-blend-mode:difference;color:#fff;transition:transform .5s var(--ease)}
.nav.is-hidden{transform:translateY(-110%)}
.nav__in{display:flex;align-items:center;justify-content:space-between;padding:1.35rem var(--gutter);max-width:var(--max);margin-inline:auto}
.brand{display:inline-flex;align-items:center;gap:.8rem}
.brand .mark{width:2.4rem}
.brand__name{font-family:var(--font-body);font-weight:500;letter-spacing:.2em;text-transform:uppercase;font-size:.78rem}
.nav__links{display:flex;gap:2.2rem;align-items:center}
.nav__links a{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;position:relative;padding:.35rem 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav__links a:hover::after,.nav__links a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.nav__cta{border:1px solid currentColor;padding:.55rem 1.1rem!important;border-radius:999px;transition:background .4s var(--ease),color .4s var(--ease)}
.nav__cta::after{display:none}
.nav__cta:hover{background:#fff;color:#000}
.burger{display:none;width:2.75rem;height:2.75rem;position:relative;border:1px solid currentColor;border-radius:999px}
.burger span{position:absolute;left:50%;top:50%;width:1.1rem;height:1px;background:currentColor;transform:translate(-50%,-50%);transition:transform .5s var(--ease)}
.burger span:first-child{transform:translate(-50%,calc(-50% - 3px))}
.burger span:last-child{transform:translate(-50%,calc(-50% + 3px))}
.burger[aria-expanded="true"] span:first-child{transform:translate(-50%,-50%) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translate(-50%,-50%) rotate(-45deg)}
@media (max-width:900px){.nav__links{display:none}.burger{display:block}}

.menu{position:fixed;inset:0;z-index:900;background:var(--obsidian);color:var(--quartz);display:grid;grid-template-rows:1fr auto;padding:6rem var(--gutter) 2rem;clip-path:inset(0 0 100% 0);transition:clip-path .8s var(--ease),visibility 0s .8s;visibility:hidden}
.menu.is-open{clip-path:inset(0 0 0 0);visibility:visible;transition:clip-path .8s var(--ease),visibility 0s}
.menu__links{display:flex;flex-direction:column;justify-content:center;gap:.2em}
.menu__links a{font-family:var(--font-display);font-size:clamp(2.2rem,9vw,4.5rem);line-height:1.05;letter-spacing:-.02em;display:flex;align-items:baseline;gap:1rem;opacity:0;transform:translateY(1.2em);transition:opacity .6s var(--ease),transform .8s var(--ease)}
.menu__links a small{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;color:var(--emerald)}
.menu.is-open .menu__links a{opacity:1;transform:none}
.menu.is-open .menu__links a:nth-child(1){transition-delay:.15s}.menu.is-open .menu__links a:nth-child(2){transition-delay:.2s}.menu.is-open .menu__links a:nth-child(3){transition-delay:.25s}.menu.is-open .menu__links a:nth-child(4){transition-delay:.3s}.menu.is-open .menu__links a:nth-child(5){transition-delay:.35s}.menu.is-open .menu__links a:nth-child(6){transition-delay:.4s}
.menu__foot{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--mist);font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
body.menu-open{overflow:hidden}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;gap:.9rem;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;padding:1rem 1.5rem 1rem 1.7rem;border-radius:999px;border:1px solid var(--hair);position:relative;overflow:hidden;isolation:isolate;transition:color .5s var(--ease),border-color .5s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:var(--grad);z-index:-1;transform:scaleX(0);transform-origin:right;transition:transform .6s var(--ease)}
.btn:hover{color:var(--obsidian);border-color:transparent}
.btn:hover::before{transform:scaleX(1);transform-origin:left}
.btn .arr{width:1.6rem;height:1.6rem;border-radius:50%;display:grid;place-items:center;border:1px solid currentColor;transition:transform .5s var(--ease)}
.btn .arr svg{width:.7rem;height:.7rem}
.btn:hover .arr{transform:translateX(.25rem)}
.btn--solid{background:var(--quartz);color:var(--obsidian);border-color:var(--quartz)}
[data-theme="light"] .btn--solid{background:var(--ink);color:var(--quartz);border-color:var(--ink)}
.btn--solid:hover{color:var(--obsidian)}
.link{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;position:relative}
.link::after{content:"";position:absolute;left:0;bottom:-.3rem;height:1px;width:100%;background:currentColor;transform:scaleX(1);transform-origin:left;transition:transform .5s var(--ease)}
.link:hover::after{transform:scaleX(0);transform-origin:right}
.link svg{width:.9rem;height:.9rem;transition:transform .5s var(--ease)}
.link:hover svg{transform:translate(.2rem,-.2rem)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(2.2rem);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);transition-delay:var(--d,0s)}
.reveal.is-in{opacity:1;transform:none}
.reveal--fade{transform:none}
.reveal--scale{transform:scale(.96)}
.split .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.12em;margin-bottom:-.12em}
.split .w>span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease);transition-delay:calc(var(--i)*.045s + var(--d,0s))}
.split.is-in .w>span{transform:none}
.line-reveal{position:relative;display:block;height:1px;background:var(--hair);transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease)}
.line-reveal.is-in{transform:scaleX(1)}
@media (prefers-reduced-motion:reduce){.reveal,.split .w>span,.line-reveal{opacity:1;transform:none;transition:none}}

/* ---------- curseur ---------- */
.cursor{position:fixed;left:0;top:0;z-index:3000;pointer-events:none;mix-blend-mode:difference;display:none;--x:-100px;--y:-100px;--rx:-100px;--ry:-100px}
@media (hover:hover) and (pointer:fine){.cursor{display:block}}
.cursor__dot{position:absolute;left:0;top:0;width:6px;height:6px;border-radius:50%;background:#fff;transform:translate(var(--x),var(--y)) translate(-50%,-50%)}
.cursor__ring{position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.7);transform:translate(var(--rx),var(--ry)) translate(-50%,-50%) scale(var(--s,1));transition:background .3s,border-color .3s;--s:1}
.cursor.is-active .cursor__ring{--s:1.8;border-color:transparent;background:rgba(255,255,255,.18)}
.cursor.is-text .cursor__ring{--s:.45}
.cursor__ring{transition:background .3s,border-color .3s,transform .08s linear}

/* ---------- transition de page ---------- */
.veil{position:fixed;inset:0;z-index:2500;background:var(--obsidian);transform:scaleY(0);transform-origin:bottom;pointer-events:none}
.veil.is-out{animation:veilOut .8s var(--ease-io) forwards}
.veil.is-in{transform-origin:top;animation:veilIn .9s var(--ease-io) forwards}
@keyframes veilOut{to{transform:scaleY(1)}}
@keyframes veilIn{from{transform:scaleY(1)}to{transform:scaleY(0)}}

/* ---------- hero accueil ---------- */
.hero{position:relative;min-height:100svh;display:grid;align-content:center;overflow:hidden;background:var(--obsidian);padding-top:6.5rem}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media video,.hero__media img{width:100%;height:100%;object-fit:cover;object-position:left center;transform:scaleX(-1);opacity:0;transition:opacity 1.8s ease;filter:saturate(.95) contrast(1.04)}
.hero__media.is-ready video,.hero__media.is-ready img{opacity:.95}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,16,14,.82) 0%,rgba(11,16,14,.6) 30%,rgba(11,16,14,.2) 55%,rgba(11,16,14,0) 80%),linear-gradient(180deg,rgba(11,16,14,.5) 0%,transparent 35%,transparent 60%,var(--obsidian) 100%)}
@media (max-width:900px){.hero__media{top:auto;bottom:0;height:62vh}.hero__media::after{background:linear-gradient(180deg,var(--obsidian) 0%,rgba(11,16,14,.6) 30%,rgba(11,16,14,0) 55%,rgba(11,16,14,.15) 80%,var(--obsidian) 100%)}.hero__in{padding-bottom:34vh}}
.hero__lattice{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.75;pointer-events:none}
.hero__in{position:relative;z-index:2;padding-bottom:clamp(2rem,4vw,3.5rem)}
.hero .display{max-width:12ch;text-wrap:balance}
.hero__q{font-family:var(--font-display);font-style:italic;font-variation-settings:"opsz" 144,"SOFT" 60,"WONK" 1;font-size:clamp(1.2rem,1.75vw,1.8rem);line-height:1.25;color:var(--mist);max-width:none;letter-spacing:-.01em}
@media (min-width:900px){.hero__q{white-space:nowrap}}
.hero__body{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);align-items:end;margin-top:clamp(1.8rem,3.5vw,2.8rem)}
.hero__body .lead{font-size:clamp(1.05rem,1.25vw,1.3rem)}
.hero__body .lead{grid-column:span 6}
.hero__cta{grid-column:8/-1;display:flex;flex-wrap:wrap;gap:.8rem;justify-self:end}
@media (max-width:900px){.hero__body .lead,.hero__cta{grid-column:1/-1;justify-self:start}}
.hero__sig{display:flex;align-items:center;gap:1rem;margin-top:1.5rem;font-family:var(--font-display);font-style:italic;font-size:1.2rem;color:var(--quartz)}
.hero__sig::before{content:"";width:3rem;height:1px;background:var(--grad)}
.hero__dims{margin-top:clamp(2rem,4vw,3.2rem);border-top:1px solid var(--hair);display:grid;grid-template-columns:repeat(4,1fr)}
.hero__dims a,.hero__dims span{padding:1.4rem 0;display:flex;gap:.9rem;align-items:baseline;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);position:relative;transition:color .4s}
.hero__dims a::before,.hero__dims span::before{content:"";position:absolute;top:-1px;left:0;height:1px;width:0;background:var(--grad);transition:width .8s var(--ease)}
.hero__dims a:hover,.hero__dims span:hover{color:var(--quartz)}
.hero__dims a:hover::before,.hero__dims span:hover::before{width:calc(100% - 1.5rem)}
.hero__dims a i,.hero__dims span i{font-style:normal;color:var(--emerald)}
@media (max-width:700px){.hero__dims{grid-template-columns:1fr 1fr}.hero__dims a,.hero__dims span{padding:1rem 0}}
.scroll-hint{position:absolute;right:var(--gutter);bottom:clamp(2rem,4vw,3.5rem);z-index:3;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mist);writing-mode:vertical-rl;display:flex;gap:.8rem;align-items:center}
.scroll-hint::after{content:"";width:1px;height:3rem;background:linear-gradient(var(--emerald),transparent);animation:hint 2.4s var(--ease-io) infinite}
@keyframes hint{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (max-width:1100px){.scroll-hint{display:none}}


/* ---------- accueil : cristal fixe, le contenu glisse par-dessus ---------- */
body[data-page="home"] .hero{background:transparent;overflow:visible}
body[data-page="home"] .hero__media,body[data-page="home"] .hero__lattice{position:fixed;top:0;left:0;width:100%;height:100vh;height:100svh}
body[data-page="home"] .hero__media{z-index:0}
body[data-page="home"] .hero__lattice{z-index:1}
body[data-page="home"] .hero__in{z-index:2}
body[data-page="home"] .doors{position:relative;z-index:3;background:rgba(11,16,14,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
body[data-page="home"] .footer{position:relative;z-index:3}
body[data-page="home"] .door{border-color:rgba(236,239,234,.1)}
body[data-page="home"] .door:hover{background:rgba(236,239,234,.03)}
@media (max-width:900px){body[data-page="home"] .hero__media{top:auto;bottom:0;height:62vh}}

/* ---------- hero de page interne ---------- */
.phero{position:relative;padding:clamp(9rem,18vh,13rem) 0 clamp(3rem,7vw,6rem);overflow:clip}
.phero .h1{max-width:14ch;text-wrap:balance}
.phero__q{font-family:var(--font-display);font-style:italic;font-variation-settings:"opsz" 144,"SOFT" 60,"WONK" 1;font-size:clamp(1.3rem,2.2vw,2rem);line-height:1.25;color:var(--muted);max-width:30ch;margin-top:1.5rem;letter-spacing:-.01em}
.phero__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);margin-top:clamp(3rem,6vw,5rem);align-items:start}
.phero__grid .prose{grid-column:span 6}
.phero__grid .aside{grid-column:9/-1}
@media (max-width:900px){.phero__grid .prose,.phero__grid .aside{grid-column:1/-1}}
.phero__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.phero__bg img,.phero__bg video{width:100%;height:100%;object-fit:cover;opacity:.4;filter:saturate(.8)}
.phero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,14,.5),var(--obsidian) 88%),linear-gradient(90deg,var(--obsidian) 15%,transparent 70%)}
.phero>.wrap{position:relative;z-index:1}
.crumbs{display:flex;gap:.8rem;align-items:center;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:2rem}
.crumbs a:hover{color:var(--fg)}
.crumbs span{opacity:.5}

/* ---------- dimensions (4 facettes) ---------- */
.dims{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--hair);border-left:1px solid var(--hair)}
.dim{border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:clamp(1.6rem,2.6vw,2.6rem) clamp(1.3rem,2vw,2rem) clamp(1.8rem,3vw,3rem);min-height:clamp(20rem,28vw,28rem);display:flex;flex-direction:column;gap:1.4rem;position:relative;overflow:hidden;transition:background .6s var(--ease)}
.dim::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .6s var(--ease)}
.dim::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.dim:hover::before{opacity:1}
.dim:hover::after{transform:scaleX(1)}
.dim>*{position:relative}
.dim .num{font-size:clamp(3rem,5vw,5rem);color:var(--muted);opacity:.5;transition:opacity .5s,color .5s,transform .7s var(--ease)}
.dim:hover .num{opacity:1;color:var(--emerald);transform:translateY(-.15em)}
.dim .h3{margin-top:auto}
.dim p{color:var(--muted);max-width:30ch;transition:color .5s}
.dim:hover p{color:var(--fg)}
.dim .facet{position:absolute;right:-20%;top:-20%;width:70%;aspect-ratio:1;opacity:.06;transition:opacity .6s,transform 1s var(--ease);transform:rotate(0deg)}
.dim:hover .facet{opacity:.16;transform:rotate(12deg) scale(1.05)}
@media (max-width:1000px){.dims{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.dims{grid-template-columns:1fr}.dim{min-height:0}}

/* ---------- progression Rassembler → Accélérer ---------- */
.stages{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem)}
.stages__viz{grid-column:span 6;position:sticky;top:12vh;height:76vh;align-self:start;display:grid;place-items:center}
.stages__viz svg{width:min(100%,64vh);height:auto;overflow:visible}
.stages__list{grid-column:8/-1}
.stage{padding:clamp(3rem,10vh,7rem) 0;border-top:1px solid var(--hair);display:grid;grid-template-columns:auto 1fr;gap:1.5rem;align-items:start;transition:opacity .6s}
.stage:not(.is-current){opacity:.38}
.stage .num{font-size:2.2rem;color:var(--emerald);padding-top:.35rem}
.stage .h3{margin-bottom:.9rem}
.stage p{color:var(--muted);max-width:36ch}
.stages__mobileviz{display:none}
.stages--compact .stages__viz{position:static;height:auto;align-self:center}
@media (max-width:900px){.stages--compact .stages__viz{display:grid;max-width:22rem;margin:0 auto 1.5rem}}
.stages--compact .stages__viz svg{width:min(100%,52vh)}
.stages--compact .stage{padding:clamp(1.2rem,2.4vw,1.8rem) 0}
.stages--compact .stage .h3{font-size:var(--fs-h4);margin-bottom:.4rem}
.stages--compact .stage:not(.is-current){opacity:.45}
@media (max-width:900px){.stages__viz{display:none}.stages__list{grid-column:1/-1}.stage:not(.is-current){opacity:1}.stage{padding:2.5rem 0}.stages__mobileviz{display:block;width:100%;max-width:26rem;margin:0 auto 2rem}}

/* viz SVG : états */
.viz .n{fill:var(--mist);opacity:0;transition:opacity .8s var(--ease),fill .8s,transform 1.4s var(--ease)}
.viz .e{stroke:var(--mist);stroke-width:1;opacity:0;stroke-dasharray:1;stroke-dashoffset:1;transition:opacity .6s,stroke-dashoffset 1.4s var(--ease),stroke .8s}
.viz .f{stroke:var(--emerald);stroke-width:1.5;opacity:0;stroke-dasharray:6 10;transition:opacity .8s}
.viz .halo{fill:none;stroke:var(--emerald);opacity:0;transition:opacity .8s}
.viz .lbl{font-family:var(--font-mono);font-size:8px;letter-spacing:.14em;fill:var(--muted);text-transform:uppercase;opacity:0;transition:opacity .6s}
.viz[data-stage="1"] .n,.viz[data-stage="2"] .n,.viz[data-stage="3"] .n,.viz[data-stage="4"] .n{opacity:1}
.viz[data-stage="1"] .lbl.l1,.viz[data-stage="2"] .lbl.l2,.viz[data-stage="3"] .lbl.l3,.viz[data-stage="4"] .lbl.l4{opacity:1}
.viz[data-stage="2"] .e.in,.viz[data-stage="3"] .e.in,.viz[data-stage="4"] .e.in{opacity:.7;stroke-dashoffset:0}
.viz[data-stage="2"] .n,.viz[data-stage="3"] .n,.viz[data-stage="4"] .n{transform:translate(var(--tx,0),var(--ty,0))}
.viz[data-stage="3"] .n.k,.viz[data-stage="4"] .n.k{fill:var(--emerald)}
.viz[data-stage="3"] .e.x,.viz[data-stage="4"] .e.x{opacity:.9;stroke:var(--emerald);stroke-dashoffset:0}
.viz[data-stage="3"] .halo,.viz[data-stage="4"] .halo{opacity:.35}
.viz[data-stage="4"] .f{opacity:1;animation:flow 1.6s linear infinite}
.viz[data-stage="4"] .n{fill:var(--emerald)}
.viz[data-stage="4"] .halo{opacity:.6;animation:pulse 2.4s ease-in-out infinite}
@keyframes flow{to{stroke-dashoffset:-32}}
@keyframes pulse{0%,100%{opacity:.25}50%{opacity:.7}}
@media (prefers-reduced-motion:reduce){.viz .n,.viz .e,.viz .f,.viz .halo{transition:none;animation:none}}

/* ---------- premier levier ---------- */
.lever{position:relative;overflow:hidden;background:var(--obsidian);color:var(--quartz)}
.lever__bg{position:absolute;inset:0}
.lever__bg img{width:100%;height:100%;object-fit:cover;object-position:left center;opacity:.9;transform:scale(1.08);transition:transform 2.4s var(--ease)}
.lever.is-in .lever__bg img{transform:scale(1)}
.lever__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--obsidian),transparent 25%,transparent 70%,var(--obsidian)),linear-gradient(90deg,transparent 40%,rgba(11,16,14,.6))}
.lever__in{position:relative;z-index:1;min-height:92vh;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(1rem,2.5vw,2.5rem);align-content:center;padding-block:clamp(6rem,14vh,10rem)}
.lever__in>*{grid-column:5/-1}
@media (max-width:900px){.lever__in{min-height:0;padding-bottom:min(60vw,22rem)}.lever__in>*{grid-column:1/-1}.lever__bg{top:auto;height:min(70vw,26rem);bottom:0}.lever__bg img{object-position:left bottom}.lever__bg::after{background:linear-gradient(180deg,var(--obsidian) 0%,transparent 45%)}}
.lever .display{max-width:14ch;font-size:clamp(2.4rem,5.4vw,5.8rem);text-wrap:balance}
.lever__seq{margin-top:clamp(3rem,6vw,5rem);display:flex;flex-wrap:wrap;gap:.6rem 0;align-items:center;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.lever__seq span{display:inline-flex;align-items:center;padding:.6rem 0}
.lever__seq span+span::before{content:"";width:2.4rem;height:1px;background:var(--emerald);margin-inline:.9rem;transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease);transition-delay:var(--d)}
.lever__seq span b{font-weight:500;color:var(--quartz);opacity:0;transform:translateY(.4rem);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d)}
.lever__seq.is-in span+span::before{transform:scaleX(1)}
.lever__seq.is-in span b{opacity:1;transform:none}
.lever__seq span:first-child b{color:var(--emerald)}
@media (max-width:700px){.lever__seq{flex-direction:column;align-items:flex-start;gap:0}.lever__seq span{padding:.35rem 0}.lever__seq span+span::before{width:1px;height:1.2rem;margin:0 .9rem 0 .35rem;transform-origin:top}}

/* lattice cumulatif (canvas) */
.cumul{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);align-items:center}
.cumul__text{grid-column:span 5}
.cumul__viz{grid-column:7/-1;aspect-ratio:1;position:relative}
.cumul__viz canvas{width:100%;height:100%}
@media (max-width:900px){.cumul__text,.cumul__viz{grid-column:1/-1}.cumul__viz{max-width:34rem;margin:0 auto}}
.cumul__steps{display:grid;gap:0;margin-top:2.5rem;border-top:1px solid var(--hair)}
.cumul__steps li{display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding:1.2rem 0;border-bottom:1px solid var(--hair);align-items:baseline}
.cumul__steps .mono{color:var(--emerald)}
.cumul__steps p{color:var(--muted)}

/* ---------- lignes numérotées (Comprendre · Décider · Transformer) ---------- */
.rows{border-top:1px solid var(--hair)}
.row{display:grid;grid-template-columns:8rem 1fr 1.2fr;gap:clamp(1rem,3vw,3rem);padding:clamp(2rem,4vw,3.5rem) 0;border-bottom:1px solid var(--hair);position:relative;align-items:start}
.row::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.row:hover::before{transform:scaleX(1)}
.row .num{font-size:clamp(2.4rem,4vw,4rem);color:var(--muted);transition:color .5s,transform .6s var(--ease)}
.row:hover .num{color:var(--emerald);transform:translateX(.3rem)}
.row .h3{transition:transform .6s var(--ease)}
.row:hover .h3{transform:translateX(.4rem)}
.row p{color:var(--muted);max-width:52ch}
@media (max-width:900px){.row{grid-template-columns:4rem 1fr}.row p{grid-column:2}}
/* réalisations : lignes à trois colonnes avec intitulé et étiquettes */
.work .work__kind{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--emerald);margin-bottom:.9rem;max-width:none}
.work .h3{max-width:18ch}
.work .idents{margin-top:1.4rem}
@media (max-width:900px){.work>div:last-child{grid-column:2}}

.tri--num>div{padding-top:1.4rem}
.tri--num .num{display:block;font-size:2.4rem;color:var(--emerald);margin-bottom:1rem}
.tri--num .h4{font-size:var(--fs-h3)}

/* ---------- spectre stratégie → exécution ---------- */
.spectrum{position:relative;margin-top:2rem}
.spectrum__ends{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.spectrum__bar{position:relative;height:1px;background:var(--hair);margin:1.4rem 0 3.4rem}
.spectrum__bar::after{content:"";position:absolute;inset:0;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform 2s var(--ease)}
.spectrum.is-in .spectrum__bar::after{transform:scaleX(1)}
.spectrum__items{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1rem,2.5vw,2.5rem)}
.spec{position:relative;padding-top:1rem}
.spec::before{content:"";position:absolute;top:-3.4rem;left:0;width:9px;height:9px;border-radius:50%;background:var(--bg);border:1px solid var(--emerald);transform:translateY(-4px);transition:background .5s,box-shadow .5s}
.spec:hover::before{background:var(--emerald);box-shadow:0 0 0 8px rgba(23,176,118,.15)}
.spec .h4{margin-bottom:.8rem}
.spec p{color:var(--muted);font-size:var(--fs-small);max-width:30ch}
@media (max-width:900px){.spectrum__items{grid-template-columns:1fr 1fr;gap:2.5rem}.spec::before{top:-.2rem;transform:translateY(-1rem)}.spec{padding-top:1.4rem;border-top:1px solid var(--hair)}.spectrum__bar{margin-bottom:2rem}}
@media (max-width:560px){.spectrum__items{grid-template-columns:1fr}}

/* ---------- deux portes ---------- */
.doors{display:grid;grid-template-columns:1fr 1fr;min-height:78vh;border-top:1px solid var(--hair)}
.door{position:relative;padding:clamp(2.5rem,5vw,5rem) var(--gutter);display:flex;flex-direction:column;justify-content:flex-start;gap:2rem;overflow:hidden;border-right:1px solid var(--hair);isolation:isolate}
.door:last-child{border-right:0}
.door__bg{position:absolute;inset:0;z-index:-1;opacity:0;transform:scale(1.06);transition:opacity .9s var(--ease),transform 1.4s var(--ease)}
.door__bg img{width:100%;height:100%;object-fit:cover;filter:saturate(.85)}
.door__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,14,.6),rgba(11,16,14,.85))}
.door:hover .door__bg{opacity:1;transform:scale(1)}
.door .h2{max-width:14ch;transition:transform .8s var(--ease)}
.door:hover .h2{transform:translateY(-.15em)}
.door__q{font-family:var(--font-display);font-style:italic;font-size:clamp(1.15rem,1.6vw,1.5rem);color:var(--mist);max-width:32ch;line-height:1.3}
.door__list{display:flex;flex-direction:column;gap:.5rem;color:var(--mist);max-width:40ch}
.door__list li{display:flex;gap:.8rem;align-items:baseline}
.door__list li::before{content:"";width:.5rem;height:1px;background:var(--emerald);flex:none;transform:translateY(-.3em)}
.door__foot{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-top:auto;padding-top:2rem}
.door__arrow{width:3.4rem;height:3.4rem;border-radius:50%;border:1px solid var(--hair);display:grid;place-items:center;transition:background .5s,border-color .5s,transform .6s var(--ease)}
.door__arrow svg{width:1rem;height:1rem}
.door:hover .door__arrow{background:var(--emerald);border-color:var(--emerald);color:var(--obsidian);transform:rotate(-45deg)}
@media (max-width:900px){.doors{grid-template-columns:1fr}.door{border-right:0;border-bottom:1px solid var(--hair);min-height:70vh}.door__bg{opacity:.6;transform:none}}

/* ---------- marquee ---------- */
.marquee--end{margin-bottom:calc(-1*var(--section))}
.marquee{overflow:hidden;border-block:1px solid var(--hair);padding:1.2rem 0;-webkit-mask:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee__track{display:flex;gap:0;width:max-content;animation:marquee 38s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__track span{font-family:var(--font-display);font-size:clamp(1.6rem,3.2vw,3rem);letter-spacing:-.01em;padding:0 1.4rem;display:inline-flex;align-items:center;gap:2.8rem;white-space:nowrap}
.marquee__track span::after{content:"";width:.5em;height:.5em;border-radius:50%;background:var(--grad)}
@keyframes marquee{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none}}

/* ---------- preuve / parcours ---------- */
.proof{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);align-items:start}
.proof__text{grid-column:span 6}
.proof__fig{grid-column:8/-1;position:relative}
.proof__fig img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .8s var(--ease)}
.proof__fig:hover img{filter:grayscale(0)}
.proof__fig figcaption{margin-top:.8rem;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.proof__fig::before{content:"";position:absolute;inset:0 0 2.2rem 0;background:var(--grad);mix-blend-mode:screen;opacity:.35;pointer-events:none;transition:opacity .8s}
.proof__fig:hover::before{opacity:0}
.idents{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:2rem}
.idents span{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;padding:.55rem .9rem;border:1px solid var(--hair);border-radius:999px;color:var(--muted);transition:border-color .4s,color .4s}
.idents span:hover{border-color:var(--emerald);color:var(--fg)}
@media (max-width:900px){.proof__text,.proof__fig{grid-column:1/-1}}

/* ---------- timeline (à propos) ---------- */
.tl{border-top:1px solid var(--hair)}
.tl li{display:grid;grid-template-columns:8rem 1fr;gap:clamp(1rem,3vw,3rem);padding:clamp(1.6rem,3vw,2.6rem) 0;border-bottom:1px solid var(--hair);align-items:start}
.tl .mono{color:var(--emerald);padding-top:.5rem}
.tl .h4{margin-bottom:.5rem}
.tl p{color:var(--muted);max-width:60ch}
@media (max-width:640px){.tl li{grid-template-columns:1fr;gap:.5rem}}
.facts--one{grid-template-columns:minmax(0,4fr) minmax(0,8fr);align-items:start}
@media (max-width:700px){.facts--one{grid-template-columns:1fr}}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2.5vw,2.5rem);border-top:1px solid var(--hair)}
.fact{padding-top:1.5rem}
.fact .num{font-size:clamp(3rem,6vw,5.5rem);line-height:.9}
.fact .num i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.fact p{margin-top:.8rem;color:var(--muted);max-width:22ch}
@media (max-width:700px){.facts{grid-template-columns:1fr}}

/* ---------- cycle investisseurs (01-04) ---------- */
.cycle{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--hair);border-left:1px solid var(--hair)}
.cyc{border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:clamp(1.8rem,3vw,3rem);display:flex;flex-direction:column;gap:1rem;position:relative;overflow:hidden;min-height:22rem}
.cyc::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .6s}
.cyc:hover::before{opacity:1}
.cyc>*{position:relative}
.cyc .mono{color:var(--emerald)}
.cyc .h3{max-width:16ch}
.cyc .sub{font-family:var(--font-display);font-style:italic;font-size:1.15rem;color:var(--muted)}
.cyc p{color:var(--muted);margin-top:auto;max-width:44ch}
.cyc .num{position:absolute;right:1rem;bottom:-.2em;font-size:9rem;opacity:.05;pointer-events:none}
@media (max-width:760px){.cycle{grid-template-columns:1fr}.cyc{min-height:0}}

/* ---------- triptyque business / techno / exécution ---------- */
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2.5vw,2.5rem)}
.tri>div{padding:2rem 0 0;border-top:1px solid var(--hair);position:relative}
.tri>div::before{content:"";position:absolute;top:-1px;left:0;width:3rem;height:1px;background:var(--grad)}
.tri .h4{margin-bottom:.8rem}
.tri p{color:var(--muted)}
@media (max-width:760px){.tri{grid-template-columns:1fr}}

/* ---------- citation / manifeste ---------- */
.quote{font-family:var(--font-display);font-size:clamp(1.6rem,3.4vw,3.2rem);line-height:1.15;letter-spacing:-.02em;max-width:24ch;text-wrap:balance}
.quote em{color:var(--emerald)}

/* ---------- CTA final ---------- */
.cta{position:relative;overflow:hidden;background:var(--obsidian);color:var(--quartz)}
.cta__in{position:relative;z-index:1;min-height:86vh;display:grid;align-content:center;gap:2rem}
.cta .display{font-size:clamp(3rem,11vw,11rem);line-height:.9;letter-spacing:-.04em}
.cta__row{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);align-items:end}
.cta__row .lead{grid-column:span 6;color:var(--mist)}
.cta__row .btns{grid-column:8/-1;justify-self:end;display:flex;gap:.8rem;flex-wrap:wrap}
@media (max-width:900px){.cta__row .lead,.cta__row .btns{grid-column:1/-1;justify-self:start}}
.cta .mark{position:absolute;right:-8%;top:50%;transform:translateY(-50%);width:min(60vw,640px);opacity:.06;background:var(--quartz)}

/* ---------- footer ---------- */
.footer{background:var(--obsidian);color:var(--mist);border-top:1px solid var(--hair-dark);padding:clamp(3rem,6vw,5rem) 0 2rem}
.footer__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem)}
.footer__brand{grid-column:span 4}
.footer__brand .brand__name{color:var(--quartz)}
.footer__brand p{margin-top:1rem;max-width:30ch;font-size:var(--fs-small)}
.footer__col{grid-column:span 2}
.footer__col:first-of-type{grid-column-start:7}
.footer__col h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--quartz);margin-bottom:1rem}
.footer__col a{display:block;padding:.25rem 0;font-size:var(--fs-small);transition:color .3s}
.footer__col a:hover{color:var(--emerald)}
.footer__bottom{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--hair-dark);display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase}
.footer__bottom a:hover{color:var(--emerald)}
@media (max-width:900px){.footer__brand,.footer__col{grid-column:1/-1!important}}

/* ---------- pages légales ---------- */
.legal{max-width:70ch}
.legal h2{font-family:var(--font-display);font-size:var(--fs-h3);margin:2.5rem 0 1rem;letter-spacing:-.015em}
.legal h2:first-child{margin-top:0}
.legal p+p{margin-top:.8em}
.legal ul{list-style:disc;padding-left:1.2rem;margin:.6em 0}
.legal li{margin:.3em 0}
.legal a{text-decoration:underline;text-underline-offset:.2em}


/* ---------- FAQ ---------- */
.faq__group{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);padding-block:clamp(2.5rem,5vw,4.5rem);border-top:1px solid var(--hair)}
.faq__group:first-child{border-top:0;padding-top:0}
.faq__title{grid-column:span 4;position:sticky;top:6rem;align-self:start}
.faq__title .mono{color:var(--emerald)}
.faq__list{grid-column:6/-1;border-top:1px solid var(--hair)}
.qa{border-bottom:1px solid var(--hair)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:baseline;gap:1.5rem;padding:1.5rem 0;transition:color .4s}
.qa summary::-webkit-details-marker{display:none}
.qa summary h3{margin:0;font-family:var(--font-display);font-weight:400;font-size:var(--fs-h4);line-height:1.25;letter-spacing:-.01em;font-variation-settings:"opsz" 48,"SOFT" 30;max-width:40ch}
.qa summary::after{content:"+";flex:none;font-family:var(--font-mono);font-size:1.2rem;color:var(--emerald);transition:transform .5s var(--ease)}
.qa[open] summary::after{transform:rotate(45deg)}
.qa summary:hover{color:var(--emerald-deep)}
.qa p{color:var(--muted);max-width:64ch;padding:0 0 1.8rem}
@media (max-width:900px){.faq__title,.faq__list{grid-column:1/-1}.faq__title{position:static}}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.5vw,2.5rem);align-items:start}
.contact__main{grid-column:span 7}
.contact__side{grid-column:9/-1;display:flex;flex-direction:column;gap:2rem}
.contact__mail{font-family:var(--font-display);font-size:clamp(1.6rem,4vw,3.6rem);letter-spacing:-.02em;line-height:1.1;word-break:break-word;display:inline-block;position:relative}
.contact__mail::after{content:"";position:absolute;left:0;bottom:-.1em;height:2px;width:100%;background:var(--grad);transform:scaleX(.18);transform-origin:left;transition:transform .8s var(--ease)}
.contact__mail:hover::after{transform:scaleX(1)}
.contact__side h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--emerald);margin-bottom:.6rem}
.contact__side p{color:var(--muted)}
.form{display:grid;gap:1.6rem;margin-top:3rem;max-width:44rem}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea{background:transparent;border:0;border-bottom:1px solid var(--hair);padding:.8rem 0;font:inherit;color:inherit;border-radius:0;transition:border-color .4s;width:100%}
.field input:focus,.field textarea:focus{outline:0;border-bottom-color:var(--emerald)}
.field textarea{min-height:7rem;resize:vertical}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.form__msg{padding:1rem 1.2rem;border:1px solid var(--emerald);border-radius:.6rem;color:var(--fg);background:var(--grad-soft)}
.form__msg--err{border-color:#c2643b;background:rgba(194,100,59,.12)}
.form.is-sending{opacity:.6;pointer-events:none}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.chip span{display:inline-block;padding:.55rem .95rem;border:1px solid var(--hair);border-radius:999px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);transition:all .35s}
.chip input:checked+span{border-color:var(--emerald);color:var(--fg);background:var(--grad-soft)}
.chip input:focus-visible+span{outline:2px solid var(--emerald);outline-offset:3px}
@media (max-width:900px){.contact__main,.contact__side{grid-column:1/-1}.form__row{grid-template-columns:1fr}}

/* ---------- 404 ---------- */
.p404{min-height:100svh;display:grid;place-items:center;text-align:center;padding:6rem var(--gutter)}
.p404 .display{font-size:clamp(6rem,24vw,20rem)}

/* ---------- utilitaires ---------- */
.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}.mt-4{margin-top:clamp(3rem,6vw,5rem)}.mt-5{margin-top:clamp(4rem,8vw,7rem)}
.mb-2{margin-bottom:2rem}.mb-3{margin-bottom:3rem}
.flex{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.between{justify-content:space-between}
.center{text-align:center}
.relative{position:relative}
.hide-mobile{display:initial}
@media (max-width:900px){.hide-mobile{display:none}}