/* Écosystème : méga-menu, hub, démo produit, domaines/expertises, formulaire en phrase */
.mg-wrap{display:flex;align-items:stretch}
.mg-btn{display:flex;align-items:center;gap:8px;padding:0 18px;border:0;border-right:var(--line);background:none;color:inherit;cursor:pointer;font:500 14px/1 var(--f-text);position:relative}
.mg-btn .tag{font-size:11px;color:var(--stone)}
.mg-btn svg{transition:transform .35s var(--ease)}
.mg-btn[aria-expanded=true]{background:var(--ink);color:var(--white)}
.mg-btn[aria-expanded=true] svg{transform:rotate(180deg)}
.mg-btn[aria-expanded=true] .tag{color:var(--signal)}
.mg-btn:hover{background:var(--paper)}.mg-btn[aria-expanded=true]:hover{background:var(--ink)}
.mega{position:absolute;left:0;right:0;top:100%;margin-top:1px;background:var(--ink);color:var(--white);box-shadow:0 30px 60px -30px rgba(1,14,14,.6);clip-path:inset(0 0 100% 0);transition:clip-path .55s var(--ease)}
.mega[hidden]{display:block;visibility:hidden}
.mega.on{clip-path:inset(0);visibility:visible}
.mega-in{display:grid;grid-template-columns:3fr 4fr 3.4fr 3.4fr;gap:0;max-height:calc(100vh - 110px);overflow:auto}
.mg-lead,.mg-col{padding:28px clamp(18px,2vw,32px) 32px;border-right:1px solid rgba(251,250,247,.1)}
.mg-col:last-child{border-right:0}
.mg-lead .d3{font-size:clamp(22px,2vw,30px);line-height:1.12;margin:14px 0 22px;color:var(--white)}
.mg-lead .lnk,.mega .tag{color:var(--signal)}
.mg-lead .lnk{display:inline-flex;gap:10px;align-items:center;text-decoration:none;font:500 14px/1 var(--f-text);color:var(--white)}
.mg-col ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:2px}
.mg-col a{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:center;padding:9px 8px;text-decoration:none;color:var(--white);border:1px solid transparent;transition:background .3s,border-color .3s,transform .4s var(--ease)}
.mg-col a:hover,.mg-col a:focus-visible{background:rgba(251,250,247,.06);border-color:rgba(251,250,247,.16);transform:translateX(4px)}
.mg-col b{display:block;font:500 15px/1.2 var(--f-text)}
.mg-col small{display:block;margin-top:3px;font-size:12.5px;line-height:1.35;color:rgba(251,250,247,.6)}
.mg-t{display:block;width:44px;height:44px;background-color:var(--pv,var(--dsb));background-image:radial-gradient(circle,rgba(1,14,14,.55) 1.1px,transparent 1.6px);background-size:7px 7px;transition:background-size .5s var(--ease)}
a:hover>.mg-t,a:hover .mg-t{background-size:5px 5px}
.mg-t.roi{--pv:var(--roi)}.mg-t.soleil{--pv:var(--soleil)}.mg-t.bordeaux{--pv:var(--bordeaux)}.mg-t.magenta{--pv:var(--magenta)}.mg-t.ciel{--pv:var(--ciel)}.mg-t.olive{--pv:var(--olive)}
@media (max-width:1080px){.mega{display:none}}

/* hub */
.eco-in{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,64px);align-items:center}
.eco-k{list-style:none;padding:0;margin:28px 0;display:grid;gap:12px}
.eco-k li{padding-left:18px;position:relative;font-size:15.5px;line-height:1.45;color:var(--ink-soft)}
.eco-k li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;background:var(--signal);transform:rotate(45deg)}
.eco-k b{color:var(--ink);font-weight:500}
.lnkrow{display:flex;gap:26px;flex-wrap:wrap}
.lnkrow .lnk,.lnk{display:inline-flex;gap:10px;align-items:center;text-decoration:none;font:500 14px/1 var(--f-text);color:var(--ink);border-bottom:1px solid var(--ink-faint);padding-bottom:6px}
.hub{position:relative;aspect-ratio:1;width:100%;max-width:760px;justify-self:end}
.hub-svg{position:absolute;inset:0;width:100%;height:100%}
.hub .orb{stroke:var(--ink-faint);stroke-width:1;stroke-dasharray:2 6}
.hub .spoke{stroke:var(--ink-faint);stroke-width:1;transition:stroke .3s}
.hub .core rect{fill:var(--ink)}.hub .core text{fill:var(--white);font:500 15px var(--f-num);letter-spacing:.2em}
.hub-n{list-style:none;margin:0;padding:0}
.hub-n li{position:absolute;transform:translate(-50%,-50%)}
.hub-n a{display:flex;align-items:center;gap:8px;padding:5px 10px 5px 5px;background:var(--white);box-shadow:0 0 0 1px var(--ink-faint);text-decoration:none;color:var(--ink);font:500 12.5px/1.15 var(--f-text);white-space:nowrap;transition:box-shadow .3s,transform .4s var(--ease),background .3s}
.hub-n a:hover,.hub-n a:focus-visible{box-shadow:0 0 0 1px var(--ink);transform:scale(1.06);background:var(--paper)}
.hub-n .mg-t{width:20px;height:20px;background-size:5px 5px}
.hub-n .domaines a,.hub-n .expertises a{background:var(--ink);color:var(--white)}
.hub-n .domaines a:hover,.hub-n .expertises a:hover{background:var(--dsb)}
@media (prefers-reduced-motion:no-preference){.hub .orb{animation:orb 60s linear infinite;transform-origin:center}.hub .orb.produits{animation-direction:reverse}@keyframes orb{to{stroke-dashoffset:-240}}}
@media (max-width:900px){.eco-in{grid-template-columns:1fr}.hub{justify-self:center}.hub-n a{font-size:10.5px;padding:3px 7px 3px 3px;white-space:normal;max-width:96px}.hub-n .mg-t{display:none}}

/* atlas : clé de voûte */
.atlas-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;display:grid;place-items:center;pointer-events:none}
.atlas-core i{display:block;width:74px;height:74px;background:var(--ink);transform:rotate(45deg);box-shadow:0 0 0 6px rgba(0,199,172,.28),0 0 0 1px var(--signal)}
.atlas-core span{position:absolute;color:var(--white);font:500 11px/1 var(--f-num);letter-spacing:.22em}

/* démo produit */
.demo-sec{background:var(--ink);color:var(--white)}
.demo-sec .lead,.demo-sec .sec-head .lead{color:rgba(251,250,247,.72)}
.demo-sec .tag{color:var(--signal)}
.demo{margin-top:36px;border:1px solid rgba(251,250,247,.16);background:linear-gradient(180deg,rgba(251,250,247,.04),transparent)}
.demo-bar{display:flex;justify-content:space-between;padding:12px 18px;border-bottom:1px solid rgba(251,250,247,.12)}
.demo-body{display:grid;grid-template-columns:4fr 8fr}
.demo-list{list-style:none;margin:0;padding:0;border-right:1px solid rgba(251,250,247,.12)}
.demo-list button{width:100%;display:grid;grid-template-columns:auto 1fr;gap:2px 12px;text-align:left;padding:18px;background:none;border:0;border-bottom:1px solid rgba(251,250,247,.1);color:var(--white);cursor:pointer;transition:background .3s}
.demo-list b{font:500 15px/1.2 var(--f-text)}.demo-list small{grid-column:2;color:rgba(251,250,247,.6);font-size:13px}
.demo-list button:hover{background:rgba(251,250,247,.05)}
.demo-list button[aria-pressed=true]{background:rgba(0,199,172,.12);box-shadow:inset 3px 0 0 var(--signal)}
.demo-main{padding:22px clamp(18px,3vw,36px) 28px;display:grid;gap:22px;grid-template-columns:1fr 1fr;align-content:start}
.demo-steps{grid-column:1/-1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.demo-steps li{font:500 11px/1 var(--f-num);letter-spacing:.14em;text-transform:uppercase;color:rgba(251,250,247,.45);display:grid;gap:10px}
.demo-steps i{display:block;height:2px;background:rgba(251,250,247,.16);position:relative;overflow:hidden}
.demo-steps i::after{content:"";position:absolute;inset:0;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.demo-steps li.on{color:var(--white)}.demo-steps li.on i::after,.demo-steps li.done i::after{transform:none}.demo-steps li.done{color:var(--signal)}
.demo-doc{position:relative;aspect-ratio:3/4;max-height:300px;background:var(--white);padding:22px;display:grid;gap:10px;align-content:start;overflow:hidden}
.demo-doc i{display:block;height:8px;background:var(--paper-2)}.demo-doc i:nth-child(1){width:55%;height:12px;background:var(--sand)}.demo-doc i:nth-child(3){width:80%}.demo-doc i:nth-child(4){width:65%}
.demo-doc .scan{position:absolute;left:0;right:0;top:0;height:46px;background:linear-gradient(180deg,transparent,rgba(0,199,172,.5));opacity:0}
.demo.run .demo-doc .scan{opacity:1;animation:scan 1.6s var(--ease) infinite}
@keyframes scan{from{transform:translateY(-50px)}to{transform:translateY(320px)}}
.demo-out{margin:0;display:grid;gap:10px;align-content:start}
.demo-out div{display:grid;grid-template-columns:1fr;padding:10px 12px;border:1px solid rgba(251,250,247,.16);opacity:0;transform:translateY(8px);transition:opacity .5s,transform .5s var(--ease)}
.demo-out div.in{opacity:1;transform:none;border-color:rgba(0,199,172,.5)}
.demo-out dt{font:500 10.5px/1 var(--f-num);letter-spacing:.14em;text-transform:uppercase;color:rgba(251,250,247,.55)}
.demo-out dd{margin:6px 0 0;font:500 16px/1.2 var(--f-text)}
.demo-dest{grid-column:1/-1;margin:0;min-height:1.2em}
@media (max-width:760px){.demo-body{grid-template-columns:1fr}.demo-list{border-right:0;border-bottom:1px solid rgba(251,250,247,.12)}.demo-main{grid-template-columns:1fr}.demo-doc{max-height:160px;aspect-ratio:auto;height:150px}}
@media (prefers-reduced-motion:reduce){.demo.run .demo-doc .scan{animation:none;opacity:0}}

/* domaines / expertises */
.topic{border-top:var(--line)}
.tp{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,72px)}
.tp-h .d2{margin:16px 0 20px}.tp-h .d2 em{font-style:normal;color:var(--pv,var(--signal-ink))}
.tp-g{display:grid;grid-template-columns:1fr 1fr;border:var(--line);background:var(--white)}
.tp-g article{padding:26px;border-right:var(--line);border-bottom:var(--line);position:relative;transition:background .4s}
.tp-g article:nth-child(2n){border-right:0}.tp-g article:nth-last-child(-n+2){border-bottom:0}
.tp-g article:hover{background:var(--pp,var(--paper))}
.tp-g .num{font:500 12px/1 var(--f-num);color:var(--stone);letter-spacing:.14em}
.tp-g h3{font:400 24px/1.1 var(--f-display);margin:14px 0 10px}.tp-g p{margin:0;font-size:15px;line-height:1.5;color:var(--ink-soft)}
@media (max-width:900px){.tp{grid-template-columns:1fr}.tp-g{grid-template-columns:1fr}.tp-g article{border-right:0!important;border-bottom:var(--line)!important}}

/* formulaire en phrase */
.ask{background:var(--ink);color:var(--white);min-height:100vh;padding:calc(58px + 90px) 0 80px;display:flex;align-items:center}
.ask .tag{color:var(--signal)}
.sentence{margin-top:28px;display:grid;gap:34px;max-width:1240px}
.sentence .sent{margin:0;font-size:clamp(30px,4.6vw,68px);line-height:1.22;color:rgba(251,250,247,.9)}
.sentence .sent input,.sentence .sent textarea{font:inherit;color:var(--signal);background:transparent;border:0;border-bottom:2px solid rgba(0,199,172,.45);border-radius:0;padding:0 .1em;margin:0 .1em;min-width:3ch;max-width:100%;resize:none;overflow:hidden;vertical-align:baseline;line-height:inherit;transition:border-color .3s,background .3s}
.sentence .sent textarea{display:inline;width:100%;max-width:100%;min-height:1.2em}
.sentence .sent input::placeholder,.sentence .sent textarea::placeholder{color:rgba(251,250,247,.28)}
.sentence .sent input:focus,.sentence .sent textarea:focus{outline:0;border-color:var(--signal);background:rgba(0,199,172,.08)}
.sentence .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ask-act{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.btn.mint{--bg:var(--signal);--fg:var(--ink)}.btn.mint .ar{background:var(--ink);color:var(--signal)}
.ask .lnk{color:var(--white);border-color:rgba(251,250,247,.3)}
.sentence .fine{margin:0;color:rgba(251,250,247,.55);font-size:13px}.sentence .fine a{color:var(--white)}
.ask .msg{margin:0;padding:12px 16px;font-size:15px;border:1px solid var(--signal);color:var(--white)}.ask .msg.err{border-color:var(--bordeaux)}
.eco-t .sec-head{display:block}.eco-t .sec-head .k{margin-bottom:14px}.eco-t .sec-head h2{margin-bottom:18px}.eco-t .sec-head .lead{max-width:34em}
.sentence .sent{font-size:clamp(28px,3.6vw,54px)}