:root{--bg:#061222;--panel:#0b2035;--panel2:#102a43;--line:#24445b;--ink:#f1f7fb;--muted:#a4bfd0;--cyan:#5de3ed;--blue:#84aaff;--lime:#c0efae;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}button,a{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.wrap{width:min(var(--max),calc(100% - 42px));margin:auto}.sr{position:absolute;left:-9999px}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 45% at 78% 4%,rgba(18,119,145,.18),transparent 70%);z-index:-1}
header{position:sticky;top:0;z-index:30;background:rgba(6,18,34,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(124,178,202,.18)}.head{display:flex;align-items:center;justify-content:space-between;min-height:73px;gap:18px}.brand{font-size:15px;font-weight:800;letter-spacing:.03em;white-space:nowrap}.brand b{color:var(--cyan)}nav{display:flex;gap:23px;align-items:center}nav a{color:var(--muted);font-size:13px;font-weight:650}nav a:hover{color:#fff}.tiny{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--cyan);font-weight:750}.btn{border:1px solid var(--line);background:#112b44;color:#fff;padding:12px 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:750;font-size:13px;transition:transform .18s,border-color .18s,background .18s}.btn:hover{transform:translateY(-2px);border-color:var(--cyan)}.btn.primary{background:var(--cyan);color:#062031;border-color:var(--cyan)}.btn.ghost{background:transparent}.hero{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:50px;min-height:625px;padding:74px 0 65px}.eyebrow{display:flex;gap:10px;align-items:center;color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";height:7px;width:7px;border-radius:100%;background:var(--cyan);box-shadow:0 0 0 5px rgba(93,227,237,.09)}h1{font-size:clamp(48px,6.7vw,84px);letter-spacing:-.065em;line-height:1.03;margin:21px 0 19px;font-weight:820}h1 span{color:var(--cyan)}.lead{font-size:clamp(17px,2vw,21px);color:#d6e8f1;max-width:560px;margin:0 0 18px}.sublead{color:var(--muted);max-width:535px;font-size:14px}.actions{display:flex;gap:11px;flex-wrap:wrap;margin:28px 0 30px}.facts{display:flex;flex-wrap:wrap;gap:9px}.pill{padding:8px 12px;border-radius:100px;border:1px solid var(--line);background:#0b2035;color:#c6dae6;font-size:12px}.viz{position:relative;border:1px solid #25536b;background:linear-gradient(155deg,rgba(12,43,65,.96),rgba(7,23,42,.96));border-radius:22px;padding:18px;min-height:435px;box-shadow:0 30px 80px rgba(0,0,0,.3);overflow:hidden}.viz:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(transparent 98%,rgba(130,209,232,.045) 100%);background-size:100% 27px}.viz-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:0 0 13px;font-size:12px;color:#c4d7e1}.lights{display:flex;gap:5px}.lights i{width:7px;height:7px;border-radius:50%;background:#375f77}.lights i:first-child{background:#5de3ed}.viz svg{width:100%;height:auto;display:block;margin:13px 0 5px}.viz-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.viz-footer{display:grid;grid-template-columns:1fr 1fr;gap:10px}.metric{padding:12px;border:1px solid var(--line);border-radius:10px;background:#0b2338}.metric strong{display:block;font-size:15px}.metric span{display:block;color:var(--muted);font-size:11px}.node{cursor:pointer}.node circle{transition:fill .2s,stroke-width .2s}.node:hover circle,.node:focus circle{stroke-width:3;fill:#17415b}.node text{pointer-events:none}.pulse{animation:pulse 2.7s ease-in-out infinite}@keyframes pulse{50%{opacity:.38}}.lineflow{stroke-dasharray:6 10;animation:flow 12s linear infinite}@keyframes flow{to{stroke-dashoffset:-200}}.section{padding:80px 0;border-top:1px solid rgba(125,173,201,.12)}.section h2{font-size:clamp(29px,3.5vw,42px);letter-spacing:-.04em;line-height:1.13;margin:10px 0 14px}.intro{max-width:760px;color:var(--muted);font-size:15px;margin-bottom:29px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:linear-gradient(145deg,#0d263d,#0a1d31);border:1px solid var(--line);border-radius:17px;padding:24px;min-height:220px}.card .num{color:var(--cyan);font-size:12px;font-weight:800}.card h3{font-size:20px;line-height:1.2;margin:15px 0 12px}.card p{font-size:13px;color:var(--muted);margin:0}.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}.tag{font-size:11px;padding:5px 9px;background:#15354a;color:#c4e6ec;border-radius:5px}.feature{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}.feature-text{padding:29px;border:1px solid var(--line);background:#0b2035;border-radius:17px}.feature-text h3{font-size:27px;letter-spacing:-.03em;margin:10px 0}.feature-text p{color:var(--muted);font-size:14px}.timeline{display:grid;gap:12px}.step{display:flex;gap:14px;padding:15px;border:1px solid var(--line);border-radius:12px;background:#10283e}.step b{color:var(--cyan);font-size:12px}.step div{font-size:13px}.step small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.competences{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.skill{padding:19px 16px;border:1px solid var(--line);border-radius:12px;background:#0c2438;font-size:13px;font-weight:750}.skill small{display:block;color:var(--muted);font-weight:400;margin-top:7px}.contact{border:1px solid #28566a;background:linear-gradient(115deg,#0d2b43,#092033);padding:37px;border-radius:20px;display:flex;justify-content:space-between;gap:22px;align-items:center}.contact h2{margin:8px 0 11px}.contact p{color:var(--muted);margin:0;max-width:640px}.contact .actions{margin:0;flex-shrink:0}footer{padding:25px 0 40px;color:#7898ab;font-size:12px;display:flex;justify-content:space-between;gap:20px}
#tour{position:fixed;inset:0;background:rgba(2,9,18,.77);backdrop-filter:blur(9px);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}#tour.open{display:flex}.tourbox{background:#0d263c;border:1px solid #34718b;border-radius:22px;width:min(590px,100%);padding:30px;box-shadow:0 30px 100px #0008}.tourhead{display:flex;justify-content:space-between;align-items:center}.close{border:1px solid var(--line);color:#fff;background:#16374c;border-radius:9px;padding:6px 12px}.progress{display:flex;gap:6px;margin:25px 0}.progress i{height:4px;border-radius:10px;background:#315067;flex:1}.progress i.active{background:var(--cyan)}.tourbox h2{font-size:31px;letter-spacing:-.04em;line-height:1.1}.tourbox p{color:var(--muted);font-size:15px;min-height:95px}.tourbottom{display:flex;justify-content:space-between;align-items:center;gap:12px}.tourbottom span{font-size:12px;color:var(--muted)}.node-note{position:absolute;bottom:109px;left:18px;right:18px;border:1px solid #397189;border-radius:9px;background:rgba(10,38,57,.96);padding:10px 13px;font-size:12px;color:#d3e8f1;display:none}.node-note.show{display:block}
@media(max-width:950px){nav{gap:12px}nav a{font-size:12px}.hero{gap:24px}.competences{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.head{min-height:65px}nav{display:none}.hero{grid-template-columns:1fr;padding:58px 0;gap:30px;min-height:auto}.viz{min-height:auto}.section{padding:57px 0}.cards,.feature{grid-template-columns:1fr}.contact{flex-direction:column;align-items:flex-start}.contact .actions{margin-top:10px}footer{flex-direction:column;gap:5px}h1{font-size:58px}}@media(max-width:420px){.wrap{width:calc(100% - 28px)}.hero{padding-top:45px}h1{font-size:49px}.competences{grid-template-columns:1fr 1fr}.contact{padding:23px}.tourbox{padding:21px}.tourbox h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important;transition:none!important}}

/* VERSION 02 : ajouts discrets, sans changer la direction graphique du prototype 01 */
:root{color-scheme:dark}
.section-sub{color:var(--muted);font-size:14px;max-width:760px;margin:-10px 0 25px}
.card{min-height:0}.card .tag{display:inline-block}
.card .card-link{display:inline-block;margin-top:18px;color:var(--cyan);font-weight:750;font-size:13px}
.details-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:17px}
.details-box{border:1px solid var(--line);background:#0b2035;border-radius:15px;padding:23px}
.details-box h3{font-size:19px;margin:6px 0 12px}.details-box p,.details-box li{font-size:13px;color:var(--muted)}
.details-box ul{padding-left:20px;margin:8px 0 0}.details-box li+li{margin-top:8px}
.details-box .num{font-size:11px;font-weight:800;color:var(--cyan)}
.detail-summary{cursor:pointer;display:flex;justify-content:space-between;gap:15px;align-items:center;font-weight:750;color:var(--ink);font-size:13px;margin-top:19px;border-top:1px solid var(--line);padding-top:15px;list-style:none}
.detail-summary::-webkit-details-marker{display:none}.detail-summary:after{content:'+';color:var(--cyan);font-size:20px;line-height:1}
details[open] .detail-summary:after{content:'−'}
.detail-list{padding-left:19px;color:var(--muted);font-size:13px;margin:14px 0 0}.detail-list li+li{margin-top:7px}
.highlight{color:var(--cyan)}
.eyebrow{letter-spacing:.1em}.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 26px}
.kpi{border:1px solid var(--line);border-radius:13px;background:#0c2438;padding:18px}.kpi strong{display:block;color:var(--cyan);font-size:25px;letter-spacing:-.04em}.kpi span{display:block;color:var(--muted);font-size:12px}
.feature-text .context{color:#d7eaf1}.feature-text .note{border-left:2px solid var(--cyan);padding-left:12px;color:#b4d4e1;font-size:12px}
.step{transition:border-color .2s}.step:hover{border-color:#34718b}
.contact .actions{flex-wrap:wrap}.contact a.btn{white-space:nowrap}
.contact-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px;color:var(--muted);font-size:13px}.contact-links a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.mobile-nav-toggle{display:none}
.mobile-nav{display:none}
.version-note{color:#8ca9bb;font-size:12px;margin-top:16px}
@media(max-width:900px){.details-grid{grid-template-columns:1fr}.kpis{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.head{flex-wrap:wrap}.head>.btn{margin-left:auto;padding:9px 12px}.mobile-nav-toggle{display:inline-flex;border:1px solid var(--line);background:#102a43;color:white;border-radius:8px;padding:9px 12px;font-weight:700;font-size:12px}.mobile-nav.open{display:flex;flex-direction:column;gap:0;padding:5px 21px 15px;background:#091b2d;border-top:1px solid var(--line)}.mobile-nav a{padding:10px 0;color:#c6dae6;font-size:14px}.head .brand{font-size:12px}.kpis{grid-template-columns:1fr 1fr}.contact .actions{width:100%}}
@media(max-width:440px){.kpis{grid-template-columns:1fr}.head>.btn{font-size:11px}.head .brand b{display:none}.competences{grid-template-columns:1fr 1fr}.skill{padding:15px 12px}.node-note{bottom:110px}}