:root{--ink:#222625;--copper:#B17C5C;--copper-text:#875B40;--paper:#F6F4F0;--muted:#616661;--line:#D7D6D0;--serif:'DM Serif Display',Georgia,serif;--sans:Manrope,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.65 var(--sans)}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.035em}h1{font-size:clamp(3.4rem,6.6vw,6.5rem)}h2{font-size:clamp(2.25rem,3.7vw,3.7rem)}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}img{display:block;max-width:100%}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--copper);outline-offset:6px}.wrap{width:min(1280px,88%);margin-inline:auto}.section{padding-block:82px}.header{min-height:98px;padding:18px 6%;display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--ink);color:white}.logo{width:185px;height:auto}.header nav{display:flex;align-items:center;gap:clamp(24px,4vw,64px)}.header nav>a:not(.button){padding-block:12px;font-size:15px}.header nav>a:hover{color:#E7B89B}.button{background:var(--copper);color:#171B19;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:19px 28px;font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s}.button:hover{background:#C89372;color:var(--ink)!important}.button.small{padding:14px 20px}.menu-toggle{display:none}.hero{position:relative;min-height:610px;height:min(680px,74vh);display:flex;align-items:center;color:#fff;background:var(--ink);overflow:hidden}.hero-image,.hero-shade{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;object-position:50% 43%}.hero-shade{background:linear-gradient(90deg,rgba(11,15,13,.79),rgba(11,15,13,.43) 47%,rgba(11,15,13,.02) 75%)}.hero-content{position:relative;padding-block:70px}.hero p{font-size:clamp(1.1rem,1.65vw,1.4rem);line-height:1.5;max-width:440px;margin:24px 0 28px}.hero .button{min-width:285px}.expertises h2{margin-bottom:42px}.expertise-list{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.expertise-list details{min-width:0}.expertise-list details+details{border-left:1px solid var(--line);padding-left:34px}.expertise-list summary{list-style:none;cursor:pointer;color:var(--copper-text);display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--copper);padding:12px 0 17px;font-size:clamp(1rem,1.7vw,1.35rem)}summary::-webkit-details-marker{display:none}.expertise-list details[open] summary span{transform:rotate(45deg)}.expertise-list details p{font-size:15px;line-height:1.7;margin-top:20px}.projects{padding-bottom:28px}.projects h2{margin-bottom:28px}.project-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:26px}.project-image{width:100%;border:0;padding:0;display:block;overflow:hidden;background:var(--line);height:530px}.project-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.project-image:hover img{transform:scale(1.025)}.project-caption{border:0;border-bottom:1px solid var(--line);background:none;width:100%;padding:20px 0;text-align:left;display:flex;justify-content:space-between;gap:12px;font-size:16px}.project-caption:hover{color:var(--copper-text)}.about{display:grid;grid-template-columns:1fr 1fr;gap:7%;align-items:center}.about figure img{width:100%;height:auto}.about figcaption{font-size:12px;color:var(--muted);padding-top:6px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:700;display:block;margin-bottom:20px}.about h2{font-size:clamp(2rem,3.2vw,3.2rem);margin-bottom:25px}.about p{color:#4C524D;margin-bottom:16px;max-width:480px}.text-link{display:inline-flex;gap:24px;border-bottom:1px solid var(--copper);padding-bottom:8px;color:var(--copper-text);margin-top:15px}.contact{background:var(--ink);color:var(--paper);padding-block:78px}.contact-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:12%;align-items:center}.contact h2{margin-bottom:22px}.contact p{color:#D2D5CF}.contact .eyebrow{color:#D4A385}.contact-note{border-left:1px solid #657066;padding-left:28px}.contact-note p{font-size:15px}.contact-note span{display:block;font-size:12px;color:#BAC0B9;margin-top:14px}footer{display:flex;align-items:center;gap:32px;padding-block:35px}footer p{font-size:13px;flex:1;color:var(--muted)}footer>a:last-child{font-size:14px}.skip{position:fixed;z-index:100;top:0;left:20px;transform:translateY(-110%);background:white;padding:15px}.skip:focus{transform:translateY(0)}dialog{padding:0;border:0;background:var(--paper);color:var(--ink);max-width:960px;width:90%;max-height:90vh;overflow:auto}dialog[open]{display:grid;grid-template-columns:1fr 1fr}dialog::backdrop{background:rgba(9,15,12,.78)}dialog>img{width:100%;height:100%;max-height:680px;object-fit:cover}.dialog-copy{padding:85px 40px 48px;align-self:center}.dialog-copy h2{font-size:2.7rem;margin-bottom:25px}.dialog-copy p{line-height:1.7}.close{position:absolute;top:16px;right:18px;border:1px solid var(--line);background:var(--paper);padding:9px 14px;font-size:14px}body:has(dialog[open]){overflow:hidden}
@media(min-width:1600px){.hero{height:720px;max-height:none}}
@media(max-width:900px){.header{gap:20px;padding:16px 6%}.header nav{gap:22px}.header .logo{width:150px}.header nav>a:not(.button){font-size:14px}.header .button.small{font-size:13px;padding:12px}.hero{min-height:550px}.project-image{height:420px}.expertise-list{gap:20px}.expertise-list details+details{padding-left:20px}.about{gap:5%}.about p{font-size:15px}}
@media(max-width:700px){html{scroll-padding-top:20px}.header{min-height:80px;position:relative;flex-wrap:wrap}.header .logo{width:143px}.menu-toggle{display:flex;gap:14px;background:none;color:white;border:1px solid #626862;padding:8px 12px;font-size:14px}.header nav{display:none;width:100%;align-items:stretch;padding-top:12px;gap:6px}.header nav.is-open{display:flex;flex-direction:column}.header nav>a{padding:12px!important}.header nav .button{justify-content:center;margin-block:10px}.hero{min-height:570px;height:76svh;max-height:720px;align-items:flex-end}.hero-image{object-position:48% 35%}.hero-shade{background:linear-gradient(0deg,rgba(11,15,13,.92),rgba(11,15,13,.46) 68%,rgba(11,15,13,.05))}.hero-content{padding-block:48px}h1{font-size:clamp(3rem,10vw,4.6rem)}.hero p{max-width:320px;font-size:17px}.hero .button{min-width:0;padding:17px 20px;font-size:14px;gap:22px}.section{padding-block:54px}.expertises h2{margin-bottom:25px}.expertise-list{grid-template-columns:1fr;gap:10px}.expertise-list details+details{border-left:0;padding-left:0}.expertise-list summary{font-size:18px;padding-block:15px}.expertise-list details p{margin-bottom:16px}.project-grid{grid-template-columns:1fr;gap:28px}.project-image{height:auto;aspect-ratio:1.05}.project-caption{font-size:15px;padding-block:15px}.about{grid-template-columns:1fr;gap:32px}.about h2{font-size:2.3rem}.about p{font-size:16px}.contact{padding-block:55px}.contact-inner{grid-template-columns:1fr;gap:32px}.contact-note{padding-left:20px;max-width:380px}footer{flex-wrap:wrap;gap:20px}footer p{flex-basis:100%;order:3}dialog[open]{display:block}dialog>img{height:260px}.dialog-copy{padding:32px 24px}.dialog-copy h2{font-size:2.2rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Bouton 07 validé : deux coins opposés coupés. */
.button{clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);border-radius:0}.button:focus-visible{outline:none;box-shadow:inset 0 0 0 3px #171B19,inset 0 0 0 6px #F6F4F0}