:root{--ink:#162c46;--blue:#293f8e;--cyan:#20b4dc;--pale:#eff6f8;--muted:#536477;--line:#d9e3e9;--paper:#fff;--width:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--cyan);outline-offset:6px}::selection{background:#b7eafa}.wrap{width:min(var(--width),calc(100% - 80px));margin:auto}.skip{position:fixed;top:-100px;left:20px;padding:12px;background:white;z-index:20}.skip:focus{top:10px}.header{background:rgba(255,255,255,.97);position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line)}.header-inner{min-height:104px;display:flex;align-items:center;gap:36px}.brand{display:block;margin-right:auto}.brand 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#ffffff25}.case-meta{font:11px/1.8 'Courier New',monospace;color:#afc3d6}.case-meta strong{display:block;font-weight:400;color:#70d5f1;margin-top:8px}.case h3{font-size:25px;margin:0}.case p{color:#c4d1df;font-size:14px}.case .tags{color:#8fd4e8;padding:0}.career{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-top:65px}.career p{font-size:15px;color:var(--muted);margin:24px 0 0}.facts{display:grid;gap:22px}.fact{border-bottom:1px solid var(--line);padding-bottom:17px}.fact strong{display:block;font-size:23px;font-weight:500;letter-spacing:-.02em}.fact span{font-size:13px;color:var(--muted)}.approach{background:var(--pale)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.step-num{font:12px 'Courier New',monospace;display:block;padding-bottom:25px;margin-bottom:24px;border-bottom:1px solid #b3cbd8;color:var(--blue)}.step p{color:var(--muted);font-size:15px;max-width:320px}.contact-section{padding:75px 0;background:var(--blue);color:#fff;position:relative;overflow:hidden}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.contact-section .eyebrow{color:#9fe5f7}.contact-section h2{font-size:clamp(36px,4vw,54px)}.contact-section p{color:#e0e7fc}.contact-address{display:block;font-size:15px;margin-top:17px;overflow-wrap:anywhere}.pending{border-left:2px solid var(--cyan);padding-left:15px;font-size:14px}.footer{padding:35px 0}.footer-main{display:flex;gap:35px;align-items:center}.footer-logo{width:85px;height:auto}.footer-copy{font-size:12px;color:var(--muted)}.footer-main>a:last-child{margin-left:auto;font-size:12px}.footer-bottom{font:10px/1.6 'Courier New',monospace;letter-spacing:.02em;color:var(--muted);border-top:1px solid var(--line);margin-top:25px;padding-top:18px;display:flex;justify-content:space-between;gap:20px}
@media(min-width:1450px){.hero-grid{padding-top:100px;padding-bottom:90px}}@media(max-width:1100px){.header-inner{gap:20px}.nav{gap:18px}.nav .button{display:none}.hero-grid{gap:28px}h1{font-size:47px}.hero-foot{display:block}.hero-foot span{display:block}.sectors{gap:20px}.case{grid-template-columns:130px 1fr 1fr;gap:25px}}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:87px;gap:17px;flex-wrap:wrap}.brand img{width:82px}.lang{padding-left:0;border:0;gap:13px}.menu-toggle{display:block;font-size:12px}.nav{display:none;order:4;width:100%;padding:0 0 20px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:8px 0}.hero-grid{grid-template-columns:1fr;padding:48px 0 38px;gap:35px}.hero{background:linear-gradient(160deg,#f6f9fa 60%,#eaf3f7 60%)}h1{font-size:clamp(36px,7.7vw,53px)}.intro{font-size:16px}.hero-foot{margin-top:25px;display:flex;gap:16px}.hero-foot span{font-size:10px}.system{min-height:340px;padding:18px}.network{height:255px}.node-core{top:85px}.n1{top:15px}.n2{top:31px}.n3{bottom:5px}.system-caption{font-size:10px}.sector-inner{display:block}.sector-label{max-width:none;margin-bottom:18px}.sectors{flex-wrap:wrap;justify-content:flex-start;gap:12px 24px;font-size:14px}.sectors span:before{margin-right:7px}.section{padding:60px 0}.section-heading{grid-template-columns:1fr;gap:22px;margin-bottom:32px}.eyebrow{margin-bottom:18px}.service-grid{grid-template-columns:1fr}.service{padding:28px}.service-index{margin-bottom:20px}.service-index:after{right:28px;top:23px}.case{grid-template-columns:1fr;gap:15px;padding:28px 0}.case-meta{display:flex;gap:20px}.case-meta strong{margin:0}.case h3{max-width:460px}.career{grid-template-columns:1fr;gap:35px;padding-top:0}.steps{grid-template-columns:1fr;gap:26px}.step-num{padding-bottom:12px;margin-bottom:15px}.step h3{margin-bottom:12px}.step p{max-width:none}.contact-grid{grid-template-columns:1fr;gap:30px}.contact-section{padding:55px 0}.footer-main{flex-wrap:wrap;gap:20px}.footer-copy{max-width:180px}.footer-main>a:last-child{margin-left:0}.footer-bottom{flex-wrap:wrap;gap:6px}.footer-bottom span{display:block;width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Illustrations conçues pour ExperTI : accueil immersif et connexions optiques. */
.hero{background:#071b30 url('datacenter.jpg') center/cover no-repeat;color:#fff}
.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,37,.45),rgba(4,20,37,.18) 50%,transparent 80%);pointer-events:none}
.hero-grid{position:relative;grid-template-columns:minmax(0,660px);min-height:680px;padding-top:85px;padding-bottom:85px}
.hero h1{font-size:clamp(40px,4.6vw,66px)}.hero h1 em{color:#6cd9f3}.hero .eyebrow{color:#8fe0f3}.hero .intro{color:#d4e0ec;max-width:560px}.hero .button{background:#24b9de;color:#082035;border-color:#24b9de}.hero .button:hover{background:#73d9ef}.hero .text-link{border-color:#9eb6c8}.hero-foot{color:#c5d6e3}.career{align-items:center}.career-image{width:100%;height:290px;object-fit:cover;display:block;margin-bottom:32px}.contact-section{background:linear-gradient(90deg,rgba(31,52,111,.96),rgba(16,41,79,.88)),url('connexions.jpg') center/cover no-repeat}
@media(max-width:760px){.hero{background-position:60% center}.hero:before{background:linear-gradient(90deg,rgba(4,20,37,.91),rgba(4,20,37,.68))}.hero-grid{min-height:630px;padding-top:55px;padding-bottom:55px}.hero h1{font-size:clamp(36px,7.7vw,53px)}.career-image{height:230px}.career{gap:30px}.hero-foot{flex-wrap:wrap;gap:8px}}

/* Identité ExperTI : tête affinée et pixels, version 2. */
.brand{flex-shrink:0}.brand img{width:240px;height:auto}.footer-logo{width:200px;height:auto}
@media(max-width:1100px) and (min-width:761px){.brand img{width:210px}.nav{gap:16px}}
@media(max-width:760px){.header-inner{gap:8px}.brand img{width:155px}.lang{gap:9px}.menu-toggle{padding:8px 10px}.footer-logo{width:170px}}
@media(max-width:360px){.brand img{width:126px}.lang{gap:7px}}