:root{--navy:#18211f;--navy2:#26312e;--blue:#2cc09c;--cyan:#58d7b8;--ink:#262827;--paper:#f3f4f3;--line:#d0d3d2;--silver:#8c8889;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}main{overflow:hidden}
.nav-shell{height:86px;padding:0 clamp(22px,5vw,80px);display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #e0e6ea;position:relative;z-index:5}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;display:grid;place-items:center;background:linear-gradient(145deg,var(--blue),#075284);color:#fff;font-weight:900;font-size:23px;clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%)}.brand>span:last-child{display:flex;flex-direction:column}.brand strong{font-size:22px;line-height:20px;letter-spacing:.04em}.brand small{font-size:9px;letter-spacing:.35em;color:#536a7b;margin-top:4px}.nav-shell nav{display:flex;align-items:center;gap:34px;font-size:13px;font-weight:700}.nav-cta{background:var(--blue);color:#fff;padding:14px 20px}.nav-shell nav a:not(.nav-cta):hover{color:var(--blue)}
.hero{min-height:calc(100vh - 86px);padding:clamp(70px,8vw,125px) clamp(22px,7vw,110px) 55px;background:radial-gradient(circle at 72% 20%,#164b70 0,transparent 34%),linear-gradient(125deg,var(--navy) 20%,var(--navy2) 100%);color:#fff;position:relative;display:grid;grid-template-columns:1.18fr .82fr;gap:6vw;align-items:center}.grid-lines{position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to right,transparent 2%,#000 48%,transparent)}.hero:after{content:"";position:absolute;width:330px;height:330px;border:1px solid #25a9ed33;border-radius:50%;right:8%;top:8%;box-shadow:0 0 0 80px #ffffff05,0 0 0 160px #ffffff03}.hero-copy,.control-panel{position:relative;z-index:2}.eyebrow{display:flex;align-items:center;gap:12px;text-transform:uppercase;letter-spacing:.22em;font-size:11px;font-weight:700;color:#8fcff5}.eyebrow i{width:30px;height:2px;background:var(--cyan)}.eyebrow.dark{color:#527087}.hero h1{font-size:clamp(44px,5.4vw,82px);line-height:.98;letter-spacing:-.055em;margin:28px 0 26px}.hero h1 em,.platforms h2 em{font-style:normal;color:#3fb7ef;font-weight:300}.lead{max-width:690px;font-size:clamp(16px,1.3vw,21px);line-height:1.65;color:#c1d0db}.actions{display:flex;gap:12px;margin:38px 0 52px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:17px 22px;font-size:13px;font-weight:700;transition:.25s}.button.primary{background:var(--blue);color:#fff}.button.primary:hover{background:#1099e8;transform:translateY(-2px)}.button.ghost{border:1px solid #ffffff3d;color:#fff}.tags{display:flex;gap:12px 25px;flex-wrap:wrap;color:#819daf;font-size:10px;font-weight:800;letter-spacing:.16em}
.control-panel{background:#07131fe8;border:1px solid #58bdf13b;box-shadow:0 30px 80px #0006;transform:perspective(900px) rotateY(-4deg)}.panel-head,.panel-foot{display:flex;justify-content:space-between;padding:16px 18px;font:700 9px monospace;letter-spacing:.15em;color:#7095ad;border-bottom:1px solid #ffffff13}.panel-head b{color:#51d496}.panel-body{padding:28px 24px}.axis{display:grid;grid-template-columns:70px 1fr 50px;align-items:center;gap:12px;margin:18px 0;font:700 9px monospace;color:#7898ab}.axis i{height:5px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 14px #22a9ed}.axis .w88{width:88%}.axis .w72{width:72%}.axis .w96{width:96%}.axis b{color:#6ad9ae;text-align:right}.bars{height:100px;display:flex;align-items:flex-end;gap:8px;margin-top:28px;border-bottom:1px solid #ffffff26}.bars i{display:block;flex:1;background:#1b93d3}.panel-foot{border-top:1px solid #ffffff13;border-bottom:0}.panel-foot span{display:flex;flex-direction:column;gap:5px;color:#d1e0e9}.panel-foot small{color:#59788b}
.reference-strip{background:#fff;padding:23px 0 18px;border-bottom:1px solid #dce4e9}.reference-strip>p,.reference-strip>small{margin:0 clamp(22px,7vw,110px);color:#647986;font-size:9px;text-transform:uppercase;letter-spacing:.17em}.marquee{overflow:hidden;margin:18px 0}.marquee-track{width:max-content;display:flex;animation:scroll 22s linear infinite}.marquee-track span{font-size:22px;font-weight:800;letter-spacing:.04em;color:#6f7d86;display:flex;align-items:center;gap:45px;margin-right:45px;white-space:nowrap}.marquee-track i{font-size:9px;color:var(--blue)}@keyframes scroll{to{transform:translateX(-50%)}}
.statement{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;padding:70px clamp(22px,7vw,110px);background:#fff}.statement>p{font-size:clamp(25px,3vw,44px);line-height:1.25;letter-spacing:-.035em;max-width:1050px;margin:0}.statement>p strong{color:var(--blue)}.statement>div{display:flex;align-items:center;gap:15px;border-left:1px solid var(--line);padding-left:40px}.statement>div span{font-size:54px;color:var(--blue);font-weight:800}.statement>div small{font-size:11px;line-height:1.5;text-transform:uppercase;letter-spacing:.1em;color:#667886}
.section{padding:105px clamp(22px,7vw,110px)}.section-head{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:55px}.section-head h2,.platforms h2,.about h2,.contact h2{font-size:clamp(38px,4.7vw,66px);line-height:1.02;letter-spacing:-.045em;margin:20px 0 0}.section-head>p{max-width:460px;color:#5b6f7e;line-height:1.7;margin:0}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #bfccd5;border-left:1px solid #bfccd5}.services-grid article{min-height:275px;padding:28px;border-right:1px solid #bfccd5;border-bottom:1px solid #bfccd5;position:relative;background:#f7f9fa;transition:.3s}.services-grid article:hover{background:#fff;transform:translateY(-3px);box-shadow:0 15px 35px #17334a12}.services-grid article>span{font:700 11px monospace;color:var(--blue)}.services-grid h3{font-size:22px;margin:42px 0 15px}.services-grid p{font-size:14px;line-height:1.75;color:#617481;max-width:310px}.services-grid article>b{position:absolute;right:25px;bottom:22px;color:var(--blue);font-size:20px}
.platforms{background:var(--navy);color:#fff;padding:110px clamp(22px,7vw,110px);display:grid;grid-template-columns:.8fr 1.2fr;gap:8vw;align-items:center}.platforms>div>p:not(.eyebrow){line-height:1.7;color:#9fb2c0;max-width:500px}.platform-cards{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:#ffffff1c}.platform-cards article{background:#0a1c2b;padding:42px 36px;min-height:325px;border-top:3px solid var(--blue)}.platform-cards article:nth-child(2){border-top-color:#35a5d6}.platform-cards small{color:#6d93aa;letter-spacing:.2em;font-size:10px}.platform-cards h3{font-size:35px;line-height:1.05;margin:55px 0 30px}.platform-cards p{color:#8fa6b5;font-size:13px;line-height:1.7}
.process{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #aebdc7}.process article{padding:28px 26px;border-right:1px solid #c8d2d9;min-height:235px}.process article:last-child{border-right:0}.process span{font:700 11px monospace;color:var(--blue)}.process h3{font-size:25px;margin:55px 0 15px}.process p{font-size:14px;color:#617481;line-height:1.65}.about{background:#0b2235;color:#fff;padding:105px clamp(22px,7vw,110px);display:grid;grid-template-columns:.75fr 1.25fr;gap:7vw;align-items:center}.big-h{font-size:clamp(220px,28vw,420px);font-weight:900;line-height:.7;color:transparent;-webkit-text-stroke:1px #28a9eb55}.about>div>p:not(.eyebrow){color:#acbdc9;line-height:1.8;max-width:720px}.pills{display:flex;gap:16px;flex-wrap:wrap;margin-top:35px}.pills span{border:1px solid #ffffff2c;padding:12px 14px;font-size:11px;color:#c7d5de}
.contact{padding:95px clamp(22px,7vw,110px);background:var(--blue);color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:8vw;align-items:center}.contact .eyebrow{color:#d4eeff}.contact .eyebrow i{background:#fff}.contact-card{border-left:1px solid #ffffff5c;padding-left:45px}.contact-card p{line-height:1.75;color:#d9effc;margin:0 0 28px}.button.light{background:#fff;color:#0d5481;width:100%;max-width:410px}.phone{display:block;margin-top:22px;font-size:18px;font-weight:700}footer{padding:32px clamp(22px,5vw,80px);background:#05111d;color:#8196a5;display:flex;align-items:center;justify-content:space-between;gap:30px;font-size:11px}footer .brand strong{color:#fff}footer .brand-mark{width:34px;height:34px;font-size:19px}
@media(max-width:950px){.nav-shell nav a:not(.nav-cta){display:none}.hero{grid-template-columns:1fr;padding-top:80px}.control-panel{max-width:600px}.statement{grid-template-columns:1fr}.statement>div{border-left:0;padding-left:0}.services-grid{grid-template-columns:repeat(2,1fr)}.platforms{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}.about{grid-template-columns:.6fr 1.4fr}.contact{grid-template-columns:1fr}.contact-card{border-left:0;padding-left:0}}
@media(max-width:620px){.nav-shell{height:74px}.nav-cta{padding:12px;font-size:11px}.hero{min-height:auto;padding:70px 22px 45px}.hero h1{font-size:46px}.actions{flex-direction:column}.button{width:100%}.control-panel{transform:none}.statement{padding:55px 22px}.section,.platforms,.about,.contact{padding:72px 22px}.section-head{display:block}.section-head>p{margin-top:25px}.services-grid{grid-template-columns:1fr}.services-grid article{min-height:245px}.platform-cards{grid-template-columns:1fr}.process{grid-template-columns:1fr}.process article{min-height:165px;border-right:0;border-bottom:1px solid #c8d2d9}.process h3{margin-top:30px}.about{grid-template-columns:1fr}.big-h{font-size:170px;line-height:.75}.contact-card{margin-top:20px}footer{align-items:flex-start;flex-direction:column}.panel-foot span:last-child{display:none}}

/* Identité HDEI : le vert du logo est volontairement dominant. */
.brand-mark{background:linear-gradient(145deg,#2cc09c,#199b7c)}
.brand small{color:#8c8889}
.hero{background:radial-gradient(circle at 72% 20%,#357b69 0,transparent 38%),linear-gradient(125deg,#17201e 18%,#26312e 100%)}
.hero:after{border-color:#2cc09c66}
.hero .eyebrow{color:#b5f0e1}
.hero h1 em,.platforms h2 em{color:#58d7b8}
.lead{color:#d5dedb}
.button.primary:hover{background:#3bd0ac}
.tags{color:#b2bbb8}
.control-panel{background:#141b19eb;border-color:#58d7b866}
.axis i{box-shadow:0 0 14px #2cc09c}
.bars i{background:#2cc09c}
.reference-strip>p,.reference-strip>small,.marquee-track span{color:#777b79}
.platforms{background:#18211f}
.platform-cards article{background:#202a27}
.platform-cards article:nth-child(2){border-top-color:#8c8889}
.platforms>div>p:not(.eyebrow),.platform-cards p{color:#bbc1bf}
.platform-cards small{color:#a1a5a3}
.about{background:#26312e}
.big-h{-webkit-text-stroke-color:#58d7b877}
.about>div>p:not(.eyebrow){color:#c8cecc}
.contact{background:#2cc09c}
.contact .eyebrow{color:#effffb}
.contact-card p{color:#f3fffc}
.button.light{color:#24755f}
footer{background:#151a18;color:#9da3a1}
.founder-card{align-self:stretch;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background:#173a32;padding:42px;min-height:560px;box-shadow:0 28px 70px #0003}
.founder-card:before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(180deg,transparent 34%,#0e2c2366 57%,#0b281ff2 100%)}
.founder-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 24%;filter:saturate(.96) contrast(1.02)}
.founder-id{position:relative;z-index:2}.founder-id small{font-size:9px;letter-spacing:.25em;color:#8df0d7}.founder-id h3{font-size:38px;letter-spacing:-.04em;margin:12px 0 5px}.founder-id p{margin:0;color:#e5faf5;font-size:14px}
.founder-stats{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#ffffff55;margin-top:38px}.founder-stats span{background:#158365dd;padding:20px;display:flex;flex-direction:column}.founder-stats b{font-size:28px}.founder-stats small{margin-top:5px;color:#d9f5ee;font-size:9px;text-transform:uppercase;letter-spacing:.1em}
.about-copy{padding:28px 0}.about-copy>p:not(.eyebrow){color:#c8cecc;line-height:1.8;max-width:720px}
@media(max-width:950px){.founder-card{min-height:480px}}
@media(max-width:620px){.founder-card{min-height:500px;padding:28px}.founder-photo{object-position:center 20%}.founder-id h3{font-size:32px}.founder-stats span{padding:16px}}
.brand-logo{display:block;width:146px;height:68px;object-fit:contain;object-position:left center}
.footer-logo{width:125px;height:56px}
@media(max-width:620px){.brand-logo{width:118px;height:58px}.footer-logo{width:125px}}