@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root{--blue:#235de9;--navy:#10223a;--ink:#152337;--muted:#66707d;--paper:#f3f5f7;--line:#dce1e7;--body:'Inter',Arial,sans-serif;--display:'Inter',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:white;font:17px/1.6 var(--body)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #f0a627;outline-offset:6px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.05}h2{font-size:clamp(44px,5vw,72px);font-weight:600;letter-spacing:-1.9px}p+p{margin-top:20px}.shell{max-width:1440px;width:88%;margin-inline:auto}.blue{color:var(--blue)}.section{padding-block:112px}.eyebrow{font-size:13px;letter-spacing:2px;font-weight:600;margin-bottom:30px;color:var(--blue)}.light{color:#c8d6e9}.skip-link{position:fixed;top:-100px;left:20px;z-index:99;background:white;padding:15px}.skip-link:focus{top:15px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.utility{background:var(--navy);color:#b6c4d6;font-size:12px;letter-spacing:1.1px}.utility .shell{height:34px;display:flex;align-items:center;gap:30px}.utility a{margin-left:auto;color:white;letter-spacing:1px}.utility-location{border-left:1px solid #435066;padding-left:30px}.header{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 1px 0 #15233713}.header-inner{height:102px;display:flex;justify-content:space-between;align-items:center;gap:30px}.brand{display:inline-flex;flex-direction:column;flex-shrink:0;line-height:1}.brand-name{font-weight:800;letter-spacing:-3px;font-size:49px;display:flex;align-items:center;gap:8px}.brand-mark{display:inline-block;background:var(--blue);height:11px;width:11px;margin-top:21px}.brand-tag{font-size:9px;letter-spacing:2.3px;margin-top:8px;font-weight:600}.header nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600}.header nav>a{padding-block:10px}.header nav>a:hover{color:var(--blue)}.header .nav-contact{padding:14px 20px;border:1px solid var(--line);margin-left:10px}.nav-contact span{margin-left:18px;color:var(--blue)}.menu-toggle{display:none}
.hero{position:relative;isolation:isolate;color:white;min-height:680px;height:calc(100svh - 136px);max-height:930px;background:var(--navy)}.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero-image{object-position:50% 46%}.hero-shade{z-index:-1;background:linear-gradient(90deg,rgba(8,26,47,.89),rgba(8,26,47,.5) 66%,rgba(8,26,47,.18)),linear-gradient(0deg,rgba(8,26,47,.75),transparent 40%)}.hero-content{padding-top:65px}.hero .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:26px;color:white;font-size:12px}.hero .eyebrow>span{width:26px;height:2px;background:#71a2ff}.hero h1{font:600 clamp(68px,7.8vw,124px)/.99 var(--display);letter-spacing:-1.3px}.hero h1>span{color:transparent;-webkit-text-stroke:1.2px #eef4ff}.hero-bottom{display:flex;align-items:center;gap:60px;margin-top:37px}.hero-bottom p{font-size:17px;color:#d5dce7;line-height:1.65}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:38px;padding:18px 23px;font-size:14px;font-weight:600;min-height:57px;transition:background .2s,transform .2s}.button:hover{transform:translateY(-3px)}.button span{font-size:24px;line-height:1}.button.white{background:#fff;color:var(--navy)}.button.white:hover{background:#e5edff}.hero-foot{position:absolute;bottom:25px;left:6%;display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:1.8px;color:#b8c7dc}.hero-foot a{display:flex;gap:20px;color:white}.hero-foot a span{font-size:22px}.hero-credit{letter-spacing:0;font-size:11px}.expertise-strip{background:var(--blue);color:white}.expertise-strip .shell{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;font-weight:500;letter-spacing:1.6px}.expertise-strip i{width:5px;height:5px;border:1px solid #a4bcff;transform:rotate(45deg)}
.intro{display:grid;grid-template-columns:1fr 1fr;gap:56px 100px}.intro-copy{padding-top:47px;max-width:500px}.intro-copy .lead{font-size:25px;font-weight:500;line-height:1.4;margin-bottom:24px}.intro-copy>p:not(.lead){color:var(--muted)}.text-link{display:inline-flex;gap:35px;align-items:center;padding-bottom:8px;border-bottom:1px solid #a6b4c6;font-size:15px;font-weight:600;margin-top:30px}.text-link span{font-size:22px;color:var(--blue)}.text-link:hover{color:var(--blue)}.intro-facts{grid-column:1/-1;border-top:1px solid var(--line);padding-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.intro-facts>div{display:flex;flex-direction:column;padding-left:35px;border-left:1px solid var(--line)}.intro-facts>div:first-child{padding-left:0;border:0}.intro-facts strong{font-size:37px;font-weight:500;line-height:1.2;letter-spacing:-1px}.intro-facts span{font-size:14px;color:var(--muted);margin-top:10px}.skills{background:var(--paper)}.section-heading{display:grid;grid-template-columns:1.3fr 1fr;gap:100px;align-items:end;margin-bottom:60px}.section-heading>p{max-width:420px;color:var(--muted);padding-bottom:4px}.skill-list{border-top:1px solid #bfc8d3}.skill-list details{border-bottom:1px solid #bfc8d3}.skill-list summary{list-style:none;display:flex;align-items:center;padding:28px 0;cursor:pointer;gap:30px}.skill-list summary::-webkit-details-marker{display:none}.skill-list h3{font-size:32px;font-weight:500;letter-spacing:-.6px}.expand{position:relative;margin-left:auto;width:27px;height:27px}.expand:before,.expand:after{content:'';position:absolute;width:20px;height:1px;background:var(--blue);top:13px;left:3px}.expand:after{transform:rotate(90deg);transition:transform .2s}details[open] .expand:after{transform:rotate(0)}details[open] h3{color:var(--blue)}.skill-body{margin-left:0;padding-bottom:30px;display:flex;justify-content:space-between;gap:60px;align-items:end}.skill-body p{max-width:640px;color:var(--muted)}.skill-tag{font-size:11px;letter-spacing:1.5px;white-space:nowrap;color:var(--blue)}
.workshop{display:grid;grid-template-columns:1fr 1fr;background:var(--navy);color:white}.workshop-image{position:relative;min-height:640px;overflow:hidden}.workshop-image img{width:100%;height:100%;object-fit:cover;position:absolute;filter:saturate(.65)}.image-caption{position:absolute;left:30px;bottom:25px;padding:5px 10px;background:#10223abd;color:#fff;font-size:10px;letter-spacing:1px}.workshop-copy{padding:90px 12%}.workshop-copy h2{margin-bottom:35px}.workshop-copy h2>span{color:#80a6ff}.workshop-copy>p:not(.eyebrow){color:#b8c4d4;font-size:16px}.light-link{border-color:#657b96}.light-link span{color:#8fb0ff}.light-link:hover{color:#8fb0ff}.projects .section-heading{margin-bottom:35px}.filters{display:flex;gap:12px;margin:30px 0 35px}.filters button{padding:10px 18px;background:transparent;border:1px solid var(--line);font-size:14px}.filters button span{font-size:11px;margin-left:10px;opacity:.6}.filters button.active{background:var(--navy);border-color:var(--navy);color:#fff}.filters button:hover:not(.active){border-color:var(--blue);color:var(--blue)}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px 24px}.project-card{border:0;padding:0;background:transparent;text-align:left;min-width:0}.project-card[hidden]{display:none}.project-photo{aspect-ratio:4/3;position:relative;overflow:hidden;background:var(--paper)}.project-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .5s;filter:saturate(.8)}.project-card:hover img{transform:scale(1.04);filter:saturate(1)}.project-open{position:absolute;right:14px;bottom:14px;background:#fff;width:40px;height:40px;display:grid;place-items:center;font-size:23px;color:var(--navy)}.project-meta{display:flex;align-items:center;justify-content:space-between;margin-top:18px}.project-meta span{font-size:11px;letter-spacing:1px;color:#78828e}.project-meta h3{font-weight:500;font-size:21px;margin-top:8px;line-height:1.25}.gallery-note{font-size:12px;color:#7a8390;margin-top:30px;max-width:850px}.sectors{background:var(--blue);color:white;padding:48px 0 55px}.sectors .eyebrow{color:#cfddff;font-size:11px;margin-bottom:23px}.sectors .shell>div{display:flex;justify-content:space-between;gap:30px;font-size:clamp(22px,3.2vw,43px);font-weight:500;letter-spacing:-.6px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:120px}.contact h2{margin-bottom:30px}.contact>div>p:not(.eyebrow){max-width:460px;color:var(--muted)}.blue-button{margin-top:30px;background:var(--blue);color:#fff}.blue-button:hover{background:#1548c5}.contact-details{padding-top:50px}.contact-details>div{border-bottom:1px solid var(--line);padding:0 0 25px;margin-bottom:25px}.contact-details>div>span{font-size:11px;letter-spacing:1.5px;color:var(--muted);display:block;margin-bottom:10px}.contact-details>div>a:not(.text-link){display:flex;justify-content:space-between;font-size:21px;gap:20px;overflow-wrap:anywhere}.contact-details>div>a.phone{font-size:32px}.contact-details a:hover{color:var(--blue)}.contact-details .text-link{margin-top:15px}footer{background:var(--navy);color:white;padding-top:65px}.footer-top{display:flex;align-items:center;gap:100px;padding-bottom:55px}.footer-brand .brand-mark{background:#6d97ff}.footer-top>p{font-size:17px;color:#c0cada}.to-top{display:grid;place-items:center;width:50px;height:50px;border:1px solid #4d6078;margin-left:auto;font-size:26px}.footer-bottom{border-top:1px solid #ffffff24;display:flex;gap:25px;justify-content:space-between;align-items:center;padding:25px 0;font-size:11px;color:#9cacc0}.footer-bottom button{border:0;color:inherit;background:none;font-size:12px;padding:0}.footer-bottom button:hover{color:white}
dialog{padding:0;border:0;background:var(--navy);color:white;width:min(1100px,94vw);max-height:92svh;overflow:auto;box-shadow:0 20px 80px #0005}dialog::backdrop{background:#061021db;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:15px;top:15px;background:white;color:var(--navy);width:44px;height:44px;border:0;font-size:32px;line-height:1;z-index:2}.dialog-caption{padding:22px 30px}.dialog-caption h2{font-size:28px;letter-spacing:0}.dialog-caption p{font-size:14px;color:#b8c4d4;margin-top:10px}#dialog-image{width:100%;height:70svh;object-fit:contain}#legal-dialog{max-width:750px;background:white;color:var(--ink)}.legal-copy{padding:55px}.legal-copy h2{font-size:34px;letter-spacing:-1px;margin-bottom:30px}.legal-copy h3{font-size:20px;margin:30px 0 15px}.legal-copy p{font-size:16px;color:var(--muted)}.legal-copy a{color:var(--blue);text-decoration:underline;font-size:14px}
@media(min-width:1650px){.hero-foot{left:calc((100% - 1440px)/2)}}
@media(max-width:1100px){.header nav{gap:18px;font-size:13px}.header .nav-contact{margin-left:0;padding:12px}.header-inner{gap:20px}.hero{min-height:660px}.hero h1{font-size:88px}.hero-credit{display:none}.intro{column-gap:60px}.section-heading{gap:60px}.workshop-copy{padding:70px 10%}.skill-tag{display:none}.contact{gap:65px}}
@media(max-width:800px){.shell{width:88%}.utility .shell{height:32px;font-size:9px;gap:12px;letter-spacing:.5px}.utility-location{display:none}.header-inner{height:80px}.brand-name{font-size:39px}.brand-tag{font-size:8px;letter-spacing:1.55px}.brand-mark{width:9px;height:9px;margin-top:17px}.menu-toggle{display:flex;border:0;background:none;flex-direction:column;justify-content:center;gap:7px;width:44px;height:44px;padding:9px}.menu-toggle span{width:26px;height:2px;background:var(--navy);transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4.5px) rotate(-45deg)}.header nav{display:none;position:absolute;top:80px;left:0;width:100%;padding:20px 6% 28px;background:white;border-top:1px solid var(--line);font-size:17px}.header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:10px}.header .nav-contact{margin-top:10px;padding:15px}.nav-contact span{float:right}.hero{min-height:690px;height:calc(100svh - 112px);max-height:850px}.hero-content{padding-top:57px}.hero h1{font-size:clamp(53px,9.5vw,78px);letter-spacing:-.5px;line-height:1.04}.hero .eyebrow{font-size:10px;letter-spacing:1.1px;margin-bottom:30px}.hero-bottom{display:block;margin-top:30px}.hero-bottom p{font-size:15px}.hero-bottom .button{margin-top:28px;font-size:13px}.hero-foot{font-size:10px}.expertise-strip .shell{flex-wrap:wrap;padding-block:18px;justify-content:center;gap:10px 20px;font-size:10px;min-height:80px}.expertise-strip i{display:none}.section{padding-block:75px}h2{font-size:48px;letter-spacing:-1.5px}.eyebrow{font-size:11px;margin-bottom:22px}.intro{grid-template-columns:1fr;gap:32px}.intro-copy{padding:0}.intro-copy .lead{font-size:23px}.intro-facts{gap:15px;padding-top:28px}.intro-facts>div{padding-left:16px}.intro-facts strong{font-size:25px;letter-spacing:-.6px}.intro-facts span{font-size:12px;line-height:1.5}.section-heading{grid-template-columns:1fr;gap:25px;margin-bottom:35px}.skill-list h3{font-size:25px}.skill-list summary{gap:10px;padding:24px 0}.skill-body{margin-left:0;padding-bottom:25px;font-size:16px}.workshop{grid-template-columns:1fr}.workshop-image{min-height:380px}.workshop-image img{object-position:center 43%}.workshop-copy{padding:65px 6%}.workshop-copy h2{font-size:59px}.project-grid{grid-template-columns:repeat(2,1fr);gap:28px 18px}.project-meta h3{font-size:19px}.project-meta>span{display:none}.filters{gap:8px;flex-wrap:wrap}.filters button{padding:8px 13px;font-size:13px}.sectors .shell>div{flex-wrap:wrap;gap:12px 25px;font-size:27px}.contact{grid-template-columns:1fr;gap:20px}.contact-details{padding-top:35px}.contact-details>div>a.phone{font-size:30px}.footer-top{gap:35px;flex-wrap:wrap;padding-bottom:35px}.footer-top>p{font-size:14px}.footer-bottom{flex-wrap:wrap;font-size:10px;gap:15px}.footer-bottom>span:last-child{display:none}.legal-copy{padding:60px 25px 30px}}
@media(max-width:480px){.hero{min-height:660px}.hero h1{font-size:clamp(45px,10.6vw,56px)}.hero-content{padding-top:55px}.hero-image{object-position:60% center}.hero-shade{background:linear-gradient(90deg,#081a2fe3,#081a2f75),linear-gradient(0deg,#081a2fd6,transparent)}.hero-bottom{margin-top:32px}.intro-facts{grid-template-columns:1fr;gap:22px}.intro-facts>div{border:0;padding:0}.intro-facts strong{font-size:32px}.intro-facts span{margin-top:4px}.project-grid{grid-template-columns:1fr}.project-photo{aspect-ratio:4/3}.project-meta h3{font-size:23px}.skill-list h3{font-size:22px}.contact-details>div>a:not(.text-link){font-size:18px}.footer-top>p{width:100%;order:3}.footer-top{gap:25px}.hero-foot{bottom:20px}.button{gap:25px}.utility .shell>span:first-child{font-size:8px}.image-caption{font-size:9px;left:12px}.sectors .shell>div{flex-direction:column}.workshop-image{min-height:330px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Typographie : proportions naturelles et hiérarchie plus sobre. */
.to-top{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:calc(24px + env(safe-area-inset-bottom));z-index:30;width:54px;height:54px;margin:0;border-radius:50%;border:1px solid #7196ed;background:#2857b5;color:white;box-shadow:0 5px 22px #10223a30,inset 0 1px 0 #ffffff20;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(12px);transition:opacity .25s,visibility .25s,background .25s,border-color .25s,box-shadow .25s,transform .25s}
.to-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.to-top svg{transition:transform .25s}
.to-top:hover,.to-top:focus-visible{background:var(--blue);border-color:#5686ff;color:white;box-shadow:0 6px 24px #030d2338;transform:translateY(-2px)}
.to-top:hover svg,.to-top:focus-visible svg{transform:translateY(-2px)}
.to-top:active{transform:translateY(0)}
body{font-size:16px;line-height:1.75;font-optical-sizing:auto}
h2{font-size:clamp(38px,4.1vw,60px);line-height:1.13;letter-spacing:-.035em}
.hero h1{font:600 clamp(48px,5.8vw,88px)/1.1 var(--display);letter-spacing:-.045em}
.hero h1>span{color:#a8c2ff;-webkit-text-stroke:0}
.brand-name{letter-spacing:-.055em}
.header nav{gap:24px;font-size:13px}
.intro-copy .lead{font-size:23px;line-height:1.5;letter-spacing:-.025em}
.skill-list h3{font-size:28px;line-height:1.25;letter-spacing:-.025em}
.project-meta h3{font-size:19px;line-height:1.4;letter-spacing:-.025em}
.intro-facts strong{font-size:33px;letter-spacing:-.035em}
@media(max-width:1100px){.header nav{gap:14px;font-size:12px}}
@media(max-width:800px){.header nav{font-size:16px}.hero h1{font-size:clamp(40px,7.3vw,60px)}h2,.workshop-copy h2{font-size:clamp(36px,6.5vw,48px);line-height:1.15}.skill-list h3{font-size:23px}.intro-facts strong{font-size:24px}}
@media(max-width:480px){.hero h1{font-size:clamp(32px,8.2vw,40px)}.skill-list h3{font-size:20px}.intro-facts strong{font-size:30px}.project-meta h3{font-size:21px}}