:root{--bg:#040a12;--surface:#0b1929;--text:#f3f7fc;--muted:#aabaca;--cyan:#39bfff;--orange:#ffa344;--line:#20364c;--max:1200px;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Arial,Helvetica,sans-serif}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.1;letter-spacing:-.045em}h1{font-size:clamp(2.8rem,6.1vw,5.6rem);font-weight:750;margin-bottom:28px}h2{font-size:clamp(2.2rem,4vw,3.6rem);font-weight:700;margin-bottom:28px}h3{font-size:1.6rem}p{color:var(--muted)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:6px}img{max-width:100%;display:block;height:auto}.wrap{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.header{height:88px;position:sticky;top:0;z-index:20;background:#040a12f5;border-bottom:1px solid #ffffff12}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:block;background:white;border-radius:5px;padding:5px 9px;width:190px;flex-shrink:0}.brand img{width:100%;height:auto}nav{display:flex;align-items:center;gap:32px;font-size:14px}nav a:hover,nav a[aria-current]{color:var(--cyan)}.nav-cta{border:1px solid #466078;padding:10px 18px;border-radius:5px}.menu-toggle{display:none}.skip{position:absolute;left:10px;top:-100px;background:white;color:#040a12;padding:12px;z-index:100}.skip:focus{top:10px}.hero{min-height:690px;height:calc(100svh - 88px);max-height:940px;position:relative;overflow:hidden;display:flex;align-items:center}.hero-img,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-img{object-position:60% center}.hero-shade{background:linear-gradient(90deg,#030c18f2 0%,#030c18d1 37%,#030c1835 80%),linear-gradient(0deg,#040a12,transparent 30%)}.hero-content{position:relative;padding-block:75px 130px;z-index:2}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.17em;color:var(--cyan);margin-bottom:24px}.hero h1{max-width:960px}.hero h1 span,.page-hero h1 span{color:#87d9ff}.hero-description{font-size:19px;max-width:550px;margin-bottom:32px}.actions{display:flex;flex-wrap:wrap;gap:14px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:13px 23px;background:var(--cyan);color:#041320;font-size:14px;font-weight:700;border:1px solid var(--cyan);border-radius:5px;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px);box-shadow:0 6px 24px #39bfff30}.button.secondary{background:#07172770;border-color:#6b839a;color:white}.hero-bottom{position:absolute;bottom:32px;left:0;right:0;display:flex;justify-content:space-between;font-size:11px;letter-spacing:.14em;color:#b5c8d9}.hero-bottom b{color:var(--orange);margin-left:15px;font-size:18px}.network i{position:absolute;z-index:1;border:1px solid #39bfff70;width:70px;height:70px;border-radius:50%;left:72%;top:35%;animation:pulse 5s infinite}.network i:nth-child(2){left:85%;top:66%;animation-delay:1.5s;border-color:#ffa34480}.network i:nth-child(3){left:56%;top:75%;animation-delay:3s}@keyframes pulse{0%{transform:scale(.2);opacity:0}30%{opacity:.8}100%{transform:scale(1.7);opacity:0}}.pillars{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding-block:42px;gap:36px}.pillars>div+div{border-left:1px solid var(--line);padding-left:40px}.pillars strong{font-size:3.2rem;color:var(--cyan);line-height:1.2}.pillars p{margin:8px 0 0;font-size:14px}.section{padding-block:100px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:40px}.section-heading>p{max-width:370px;margin-bottom:28px}.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.solution-card{background:linear-gradient(145deg,#10283f,#071421);border:1px solid var(--line);border-radius:8px;padding:28px 23px;display:flex;flex-direction:column;min-height:310px;transition:transform .25s,border-color .25s}.solution-card:hover{transform:translateY(-6px);border-color:var(--cyan)}.index{color:var(--orange);font-size:13px;letter-spacing:.12em}.solution-card h3{font-size:1.55rem;margin:30px 0 18px}.solution-card p{font-size:15px}.text-link{font-size:14px;font-weight:bold;color:var(--cyan);margin-top:auto}.text-link span{float:right}.ecosystem{background:#061323;border-block:1px solid var(--line)}.cyan{color:var(--cyan)}.city-explorer{display:grid;grid-template-columns:1.8fr 1fr;border:1px solid #29435b;border-radius:9px;overflow:hidden}.city-map{position:relative;min-height:360px}.city-map img{height:100%;width:100%;object-fit:cover;filter:brightness(.75)}.hotspot{position:absolute;border:1px solid #aee5ff;background:#062031e8;color:white;border-radius:50%;height:46px;width:46px;font-size:14px;font-weight:bold;box-shadow:0 0 0 8px #39bfff24}.hotspot:hover,.hotspot.active{background:var(--cyan);color:#030c18;box-shadow:0 0 0 10px #39bfff30}.h1{left:44%;top:22%}.h2{left:20%;top:51%}.h3{left:75%;top:37%}.h4{left:57%;top:69%}.map-label{position:absolute;bottom:14px;left:20px;letter-spacing:.12em;font-size:10px;background:#040a12b8;padding:5px 8px}.city-info{padding:40px 32px;background:#0b1c30}.city-info h3{margin-top:32px;font-size:2rem}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:50px}.steps article{border-top:1px solid #38627c;padding-top:24px}.steps span{color:var(--cyan);font-size:14px}.steps h3{margin:20px 0 15px}.steps p{font-size:15px}.cta{padding:65px;background:radial-gradient(ellipse at top right,#123f67,transparent 65%),#0b1b2e;border:1px solid #2c4d66;border-radius:10px;margin-bottom:90px}.cta .button{background:var(--orange);border-color:var(--orange)}.footer{padding-block:40px;display:flex;flex-wrap:wrap;align-items:start;justify-content:space-between;gap:24px;border-top:1px solid var(--line)}.footer strong{font-size:24px;letter-spacing:.06em}.orange{color:var(--orange)}.footer p,.footer small{font-size:13px}.footer>div:nth-child(2){display:flex;gap:22px;font-size:14px}.footer small{width:100%;color:#8195a8}.page-hero{padding-block:95px 70px}.page-hero>p:last-of-type{max-width:650px;font-size:19px}.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:35px}.chips a,.chips span{font-size:14px;padding:9px 15px;border:1px solid #334d64;border-radius:30px}.chips a:hover{border-color:var(--cyan);color:var(--cyan)}.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:90px;border-top:1px solid var(--line)}.service-lead{font-size:21px;color:#d4e7f4}.capabilities details{border-bottom:1px solid var(--line)}summary{padding:20px 26px 20px 0;cursor:pointer;font-size:16px;color:#dfebf5}details p{font-size:14px;padding-right:20px}.about-image{max-height:460px;overflow:hidden}.about-image img{width:100%;max-height:460px;object-fit:cover}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.nodi-section{display:grid;grid-template-columns:1.3fr .7fr;gap:100px;align-items:center;border-top:1px solid var(--line)}.nodi-section img{max-height:650px;width:auto;justify-self:center;border-radius:12px}.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:90px;padding-top:20px}.contact-note{padding:24px;border-left:2px solid var(--orange);background:var(--surface);margin-top:40px}.contact-note h3{font-size:20px}.contact-note p{font-size:14px;margin-bottom:0}form{padding:32px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}label{display:block;font-size:14px;font-weight:600;margin-bottom:22px}input,textarea,select{width:100%;display:block;margin-top:8px;border:1px solid #395067;background:#061422;color:white;padding:13px;border-radius:4px;font-size:16px}textarea{resize:vertical}input:focus,textarea:focus,select:focus{outline:2px solid var(--cyan);outline-offset:2px}#project-result{margin-top:30px}#copy-status{font-size:14px;margin:15px 0 0}.reveal{transition:opacity .6s,transform .6s}.motion .reveal.pending{opacity:0;transform:translateY(16px)}
@media(min-width:1600px){.wrap{width:min(1400px,calc(100% - 120px))}}@media(max-width:1050px){.wrap{width:calc(100% - 56px)}nav{gap:20px}.solution-grid{grid-template-columns:repeat(2,1fr)}.solution-card{min-height:260px}.service-detail{gap:40px}.contact-layout{gap:40px}.nodi-section{gap:45px}.hero{min-height:650px}.section{padding-block:75px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{height:76px}.brand{width:150px}.menu-toggle{display:flex;align-items:center;gap:12px;padding:10px 13px;background:transparent;color:white;border:1px solid #466078;border-radius:4px;font-size:14px}nav{display:none;position:absolute;top:76px;left:0;right:0;background:#071727;border-bottom:1px solid var(--line);padding:24px;align-items:stretch;gap:10px}nav.open{display:flex;flex-direction:column}nav a{padding:12px}.hero{height:auto;min-height:690px}.hero-content{padding-block:80px 130px}.hero h1{font-size:clamp(2.7rem,8vw,4rem)}.hero-description{font-size:17px;max-width:450px}.hero-shade{background:linear-gradient(90deg,#030c18ea,#030c1888),linear-gradient(0deg,#040a12,transparent)}.hero-bottom{font-size:10px;gap:20px}.hero-bottom span:first-child{max-width:180px}.hero-bottom span:last-child{display:none}.pillars{gap:16px;padding-block:30px}.pillars>div+div{padding-left:15px}.pillars strong{font-size:2.4rem}.pillars p{font-size:12px}.section{padding-block:60px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{max-width:100%}.city-explorer{grid-template-columns:1fr}.city-map{min-height:300px}.city-info{padding:28px}.city-info h3{margin-top:18px}.steps{grid-template-columns:repeat(2,1fr);gap:28px}.cta{padding:35px 25px;margin-bottom:60px}.page-hero{padding-block:65px 45px}.page-hero h1{font-size:clamp(2.5rem,7vw,3.8rem)}.service-detail,.about-grid,.nodi-section,.contact-layout{grid-template-columns:1fr;gap:30px}.nodi-section img{max-height:580px}.contact-layout{padding-top:0}.footer{gap:20px}.footer>div:nth-child(2){flex-wrap:wrap}form{padding:22px}.about-image img{height:260px;object-fit:cover}}
@media(max-width:430px){.solution-grid{grid-template-columns:1fr}.solution-card{min-height:230px}.solution-card h3{margin-top:20px}.actions{flex-direction:column}.actions .button{width:100%}.hero h1{font-size:2.7rem}.eyebrow{font-size:10px;letter-spacing:.13em}.steps{gap:20px}.steps h3{font-size:1.4rem}.city-map{min-height:260px}.pillars p{line-height:1.5}.hero{min-height:670px}.hero-content{padding-top:65px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.motion .reveal.pending{opacity:1;transform:none}}

/* Brand motion: short entrance, ambient pulses and meaningful interaction. */
nav{font-size:17px;font-weight:700;gap:28px}nav>a{position:relative}nav>a:not(.nav-cta)::after{content:"";position:absolute;bottom:-7px;left:0;right:0;height:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .2s}nav>a:hover::after,nav>a[aria-current]::after{transform:scaleX(1)}
.nav-cta,.button.contact-glow{color:#fff!important;background:linear-gradient(115deg,#ff870d,#ffaa2b 50%,#ff870d);border:1px solid #ffb34a;box-shadow:0 0 18px #ff981b40,inset 0 1px 0 #ffe0a375;position:relative;overflow:hidden}.nav-cta::before,.contact-glow::before{content:"";position:absolute;inset:-70% -40%;background:linear-gradient(110deg,transparent 42%,#fff5 50%,transparent 58%);transform:translateX(-90%);animation:button-shine 5s ease-in-out infinite;pointer-events:none}.nav-cta:hover,.button.contact-glow:hover{box-shadow:0 0 26px #ffac396b;transform:translateY(-2px)}@keyframes button-shine{0%,65%{transform:translateX(-90%)}90%,100%{transform:translateX(90%)}}
.explore-cue{display:inline-flex;align-items:center;gap:15px;padding:10px 0;animation:cue-glow 4s ease-in-out infinite}.explore-cue b{display:inline-block;animation:cue-bounce 2s ease-in-out infinite}.hero-bottom .explore-cue b{margin:0}@keyframes cue-glow{0%,45%,100%{color:#b5c8d9;text-shadow:none}60%,70%{color:#f1faff;text-shadow:0 0 7px #39bfff,0 0 20px #39bfff}}@keyframes cue-bounce{0%,100%{transform:translateY(-3px)}50%{transform:translateY(4px)}}
.network{pointer-events:none}.network i{animation-duration:4.5s}.network i:nth-child(4){left:40%;top:17%;animation-delay:.5s;width:45px;height:45px}.network i:nth-child(5){left:92%;top:20%;animation-delay:2.2s;width:50px;height:50px}.network i:nth-child(6){left:65%;top:58%;animation-delay:1s;width:95px;height:95px}.network i:nth-child(7){left:33%;top:80%;animation-delay:3.5s;border-color:#ffa34480;width:40px;height:40px}.network i:nth-child(8){left:80%;top:84%;animation-delay:2.8s;width:60px;height:60px}.network i:nth-child(9){left:58%;top:13%;animation-delay:4s;width:35px;height:35px}
.build-intro{position:fixed;inset:0;z-index:40;pointer-events:none;display:grid;grid-template-columns:repeat(3,1fr);animation:intro-away 1.1s steps(1,end) forwards}.build-intro span{background:#081b2b;border-right:1px solid #39bfff77;transform-origin:top;animation:panel-build .8s cubic-bezier(.7,0,.2,1) forwards}.build-intro span:nth-child(2){animation-delay:.1s}.build-intro span:nth-child(3){animation-delay:.2s}@keyframes panel-build{0%,15%{transform:scaleY(1)}100%{transform:scaleY(0)}}@keyframes intro-away{to{visibility:hidden}}.hero-content,.page-hero{animation:content-build .9s .25s both}@keyframes content-build{from{opacity:0;transform:translateY(15px);clip-path:inset(0 0 100% 0)}to{opacity:1;transform:none;clip-path:inset(0)}}
.city-map{--signal-x:47%;--signal-y:28%;isolation:isolate}.city-map>img{transition:filter .45s}.city-map.activated>img{filter:brightness(.95)}.city-signal{position:absolute;left:var(--signal-x);top:var(--signal-y);width:24px;height:24px;border:2px solid var(--cyan);border-radius:50%;z-index:2;pointer-events:none;opacity:0;box-shadow:0 0 20px #39bfff88}.city-map.activated .city-signal{animation:city-pulse 1s ease-out forwards}.hotspot{z-index:3}.map-label{z-index:3}.hotspot.active{outline:2px solid #fff;outline-offset:4px}.city-info.switching{animation:info-change .45s ease-out}.city-info{border-top:2px solid var(--cyan)}@keyframes city-pulse{from{opacity:1;transform:translate(-50%,-50%) scale(.5)}to{opacity:0;transform:translate(-50%,-50%) scale(22)}}@keyframes info-change{from{opacity:.3;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(max-width:1050px){nav{gap:17px;font-size:16px}.nav-cta{padding:10px 12px}}@media(max-width:760px){nav{font-size:18px;gap:10px}.nav-cta{text-align:center}.hero-bottom{align-items:center}.hero-bottom .explore-cue{font-size:11px}.network i:nth-child(n+7){display:none}.build-intro span{animation-duration:.6s}}
@media(prefers-reduced-motion:reduce){.build-intro{display:none}.hero-content,.page-hero{opacity:1;transform:none;clip-path:none}.city-signal{display:none}.explore-cue{color:var(--cyan)}}

/* Red-led direction with original brand artwork preserved. */
:root{--orange:#ffa323;--muted:#b5c6d8}.brand{background:transparent;padding:4px 0;width:210px;position:relative}.brand img{filter:drop-shadow(0 0 2px #ffffffc0);animation:logo-lustre 5s ease-in-out infinite}.brand::after{content:"";position:absolute;inset:4px 0;background:linear-gradient(110deg,transparent 30%,#fff 48%,transparent 65%);mask:url('../img/logo.webp') center/contain no-repeat;-webkit-mask:url('../img/logo.webp') center/contain no-repeat;background-size:300% 100%;animation:logo-sweep 5s infinite;opacity:0;pointer-events:none}@keyframes logo-lustre{0%,55%,100%{filter:drop-shadow(0 0 2px #ffffffc0)}68%{filter:drop-shadow(0 0 4px #fff) drop-shadow(0 0 10px #39bfff80)}}@keyframes logo-sweep{0%,55%{background-position:100% 0;opacity:0}60%{opacity:.85}78%{background-position:0 0;opacity:.85}85%,100%{opacity:0}}
.button:not(.secondary){background:#ff971a;border-color:#ffac39;color:white}.service-showcase{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:80px}.specialty{border:1px solid #204660;border-radius:10px;overflow:hidden;background:#091a2a;transition:transform .25s,border-color .25s}.specialty:hover{transform:translateY(-5px);border-color:#ffac39}.specialty img{height:245px;width:100%;object-fit:cover}.specialty>div{padding:28px}.specialty h2{font-size:clamp(1.8rem,2.5vw,2.5rem);color:#65ceff;line-height:1.12;text-shadow:0 0 24px #39bfff20}.specialty p{font-size:16px}.service-detail h2{color:#65ceff}.solution-card h3{color:#87d9ff}.city-info{border-top-color:#39bfff}.hero h1 span,.page-hero h1 span{color:#87d9ff}.cta .button{background:#ff971a;border-color:#ffac39}.steps article{border-top-color:#285675}.build-intro span{background:#061627}.city-map img{filter:brightness(.75) saturate(.65)}
@media(max-width:1050px){.brand{width:180px}.service-showcase{gap:16px}.specialty>div{padding:22px}.specialty img{height:200px}}@media(max-width:760px){.brand{width:170px}.service-showcase{grid-template-columns:1fr;gap:24px;margin-bottom:50px}.specialty img{height:240px}.specialty h2{font-size:2rem}}
@media(prefers-reduced-motion:reduce){.brand img{animation:none}.brand::after{display:none}}

/* Noir, bleu électrique et orange néon. */
:root{--bg:#040a12;--surface:#0b1929;--cyan:#39bfff;--orange:#ffa323;--line:#20364c;--muted:#b5c6d8}.header{background:#040b15f5}.button:not(.secondary),.nav-cta,.button.contact-glow,.cta .button{background:linear-gradient(115deg,#ff870d,#ffb334 55%,#ff9518);color:#171006!important;border-color:#ffc267;box-shadow:0 0 20px #ff981b45,inset 0 1px 0 #ffe7bb}.button:hover,.nav-cta:hover,.button.contact-glow:hover{box-shadow:0 0 28px #ff981b80}.hero h1 span,.page-hero h1 span{color:#81d7ff}.specialty h2,.service-detail h2,.solution-card h3{color:#65ceff}.cta{background:radial-gradient(ellipse at top right,#123f67,transparent 65%),#091a2b;border-color:#285675}.specialty{background:#091827}.city-map img{filter:brightness(.8)}.city-map.activated>img{filter:brightness(1)}.network i{border-color:#39bfff90}.network i:nth-child(2),.network i:nth-child(7){border-color:#ffa323a0}.hotspot.active,.hotspot:hover{background:#ffa323;color:#171006;box-shadow:0 0 0 10px #ffa32325}.city-info{border-top-color:#ffa323}.mouse-trail{position:fixed;inset:0;width:100%;height:100%;z-index:35;pointer-events:none;contain:strict}@media(max-width:760px){nav{background:#071727}}@media(prefers-reduced-motion:reduce),(pointer:coarse){.mouse-trail{display:none}}
/* Clear brand and explicit disclosure affordances. */
.brand img{filter:none!important;animation:none!important}.brand::after{display:none!important}
.area-dialog{width:min(580px,calc(100% - 32px));max-height:calc(100svh - 48px);margin:auto;padding:0;color:var(--text);background:#081929;border:1px solid #337ba2;border-radius:14px;box-shadow:0 24px 100px #0009;overflow:auto}.area-dialog::backdrop{background:#020812c9}.dialog-content{padding:42px 34px 34px;position:relative}.dialog-content .eyebrow{padding-right:38px}.dialog-content h2{font-size:clamp(1.8rem,5vw,2.6rem);color:#81d7ff}.dialog-content p{font-size:16px}.dialog-close{position:absolute;right:12px;top:12px;width:44px;height:44px;border:1px solid #466881;border-radius:50%;background:#10283d;color:white;font-size:29px;line-height:1}.dialog-close:hover{background:#ff9a18;color:#171006;border-color:#ff9a18}.dialog-content ul{padding-left:22px;margin:24px 0 30px}.dialog-content li{padding:7px 0;color:#d0deeb}.dialog-content li::marker{color:#ffa323}.area-dialog[open]{animation:dialog-enter .2s ease-out}@keyframes dialog-enter{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.capabilities summary{display:flex;justify-content:space-between;align-items:center;gap:18px;list-style:none;padding:20px 16px;transition:background .2s}.capabilities summary::-webkit-details-marker{display:none}.capabilities summary:hover,.capabilities details[open] summary{background:#10283f}.summary-label{flex:1}.disclosure-hint{font-size:13px;font-weight:bold;color:#ffb334;white-space:nowrap}.when-open{display:none}details[open] .when-closed{display:none}details[open] .when-open{display:inline}.capabilities details>p{padding:18px 16px;margin:0}.specialty .text-link{display:inline-block;border:1px solid #ffab3c;padding:10px 14px;border-radius:5px;color:#ffb334;margin-top:8px}.specialty:hover .text-link{background:#ffa323;color:#171006}@media(max-width:430px){.dialog-content{padding:60px 23px 26px}.capabilities summary{gap:10px;padding:18px 10px}.disclosure-hint{font-size:12px}}