:root{--bg:#f4f2ed;--ink:#1d2a24;--soft:#5d6a62;--green:#2f4a3d;--green2:#3d5a4a;--line:rgba(29,42,36,.14)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden}
h1,h2,h3{font-family:'Cormorant Garamond',serif;font-weight:500;line-height:1.1}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:100%;object-fit:cover}
.wrap{padding:0 clamp(20px,5vw,64px)}
.btn{display:inline-block;padding:13px 24px;background:var(--green2);color:#fff;border:0;font:500 13px 'DM Sans',sans-serif;cursor:pointer;transition:background .2s}
.btn:hover{background:var(--green)}
.btn.light{background:#fff;color:var(--ink)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.5)}
.link{font-size:13px;border-bottom:1px solid currentColor;padding-bottom:2px}
:focus-visible{outline:2px solid var(--green2);outline-offset:3px}
/* nav */
nav{position:sticky;top:0;z-index:50;height:64px;background:var(--bg);display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}

.brand b{display:block;font:500 24px/1 'Cormorant Garamond',serif;letter-spacing:.06em}
.brand small{display:block;font-size:8px;letter-spacing:.28em;text-transform:uppercase;color:var(--soft)}
.menu{display:flex;gap:32px;list-style:none;font-size:12.5px}
.menu a{padding:22px 0;border-bottom:1px solid transparent}
.menu a:hover,.menu a.on{border-color:var(--ink)}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}
/* hero */
.hero{display:grid;grid-template-columns:1fr 1.15fr;min-height:560px}
.hero-txt{display:flex;flex-direction:column;justify-content:center;gap:22px;padding:56px clamp(20px,5vw,64px);position:relative}
.eyebrow{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--soft)}
.hero h1{font-size:clamp(40px,4.6vw,62px);max-width:11em}
.hero p{max-width:380px;color:var(--soft);font-size:14px}
.cta{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:8px}
.hero-img{position:relative;overflow:hidden}
.hero-img .side{position:absolute;top:0;right:0;bottom:0;width:90px;background:rgba(47,74,61,.92);display:flex;align-items:center;justify-content:center}
.hero-img .side span{writing-mode:vertical-rl;transform:rotate(180deg);color:rgba(255,255,255,.8);font:italic 400 15px 'Cormorant Garamond',serif;letter-spacing:.08em}
/* expertises */
.sec{padding:72px 0}
.head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-bottom:40px}
.head h2{font-size:clamp(30px,3.4vw,44px)}
.head p{font-size:13px;color:var(--soft);max-width:340px;margin-bottom:14px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:#e5e2da}
.ph{position:relative}
.card i{display:block;font-style:normal;font-size:11px;margin:14px 0 4px}
.card h3{font-size:20px;margin-bottom:6px}
.card p{font-size:12.5px;color:var(--soft)}
/* réalisations */
.real{background:var(--green);color:#fff;padding:56px 0}
.real-in{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center}
.real h2{font-size:clamp(30px,3.2vw,42px);margin:14px 0}
.real p{font-size:12.5px;color:rgba(255,255,255,.75);margin-bottom:28px}
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.proj{flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;font-size:12px}
.proj .ph{aspect-ratio:4/3;overflow:hidden;margin-bottom:12px}
.proj b{display:block;font-weight:500;font-size:13px}
.proj span{color:rgba(255,255,255,.65)}
.arrows{display:flex;gap:10px;justify-content:flex-end;margin-bottom:16px}
.arrows button{width:30px;height:30px;border-radius:50%;background:none;border:1px solid rgba(255,255,255,.5);color:#fff;cursor:pointer;font-size:14px}
.arrows button:hover{background:rgba(255,255,255,.15)}
/* à propos */
.about{display:grid;grid-template-columns:240px 1fr 1.3fr;align-items:stretch;background:#eceae4}
.about .ph{min-height:240px}
.about-txt{padding:40px clamp(20px,3vw,40px);display:flex;flex-direction:column;gap:14px;justify-content:center}
.about h2{font-size:28px}
.about p{font-size:12.5px;color:var(--soft)}
.stats{padding:40px clamp(20px,4vw,56px);display:flex;flex-direction:column;justify-content:space-between;gap:28px;background:#e6e4de}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-row div{padding:0 16px;border-left:1px solid var(--line)}
.stat-row div:first-child{padding-left:0;border:0}
.stat-row b{display:block;font:500 34px 'Cormorant Garamond',serif}
.stat-row span{font-size:12px;color:var(--soft)}
.stats em{align-self:flex-end;font:italic 400 15px 'Cormorant Garamond',serif;color:var(--soft)}
/* confiance + contact */
.trust{display:grid;grid-template-columns:1fr 1fr 1fr;min-height:300px}
.trust-txt{padding:44px clamp(20px,5vw,64px);display:flex;flex-direction:column;justify-content:center;gap:14px}
.trust h2{font-size:28px}
.trust blockquote{font:italic 400 15px/1.5 'Cormorant Garamond',serif;color:var(--soft);max-width:340px}
.trust cite{font-size:12px;font-style:normal}
.contact{background:var(--green);color:#fff;padding:44px 40px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.contact h2{font-size:28px}
.contact p{font-size:12.5px;color:rgba(255,255,255,.75);max-width:280px;margin-bottom:8px}
.contact .btn{align-self:flex-start}
.tel{font-size:13px}
/* footer */
footer{background:#1f3329;color:rgba(255,255,255,.8);padding:28px 0 20px;font-size:12px}
.f-top{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.15)}
footer .brand small{color:rgba(255,255,255,.5)}
footer .brand b{color:#fff}
.f-links{display:flex;gap:28px;list-style:none;flex-wrap:wrap}
.soc{display:flex;gap:10px}
.soc a{width:26px;height:26px;border-radius:4px;border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;font-size:10px;font-weight:500}
.soc a:hover{background:rgba(255,255,255,.12)}
.f-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:16px;color:rgba(255,255,255,.55);font-size:11px}
/* formulaires */
dialog{border:0;padding:32px;width:min(480px,92vw);margin:auto;background:var(--bg);color:var(--ink)}
dialog::backdrop{background:rgba(10,25,18,.6)}
dialog h2{font-size:30px;margin-bottom:6px}
dialog p.s{font-size:12.5px;color:var(--soft);margin-bottom:18px}
dialog label{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin:12px 0 5px}
dialog input,dialog select,dialog textarea{width:100%;padding:11px 12px;border:1px solid var(--line);background:#fff;font:14px 'DM Sans',sans-serif;color:var(--ink)}
dialog textarea{min-height:90px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dlg-act{display:flex;gap:12px;align-items:center;margin-top:18px}
.msg{margin-top:12px;padding:10px 12px;font-size:13px;display:none;color:#fff}
.x{position:absolute;top:10px;right:14px;background:none;border:0;font-size:26px;cursor:pointer;color:var(--soft)}
/* responsive */
@media(max-width:1000px){
 .cards{grid-template-columns:repeat(2,1fr)}
 .real-in{grid-template-columns:1fr;gap:28px}
 .proj{flex-basis:calc((100% - 20px)/2)}
 .about{grid-template-columns:1fr 1fr}
 .stats{grid-column:1/-1}
 .trust{grid-template-columns:1fr 1fr}
 .contact{grid-column:1/-1}
}
@media(max-width:800px){
 .burger{display:block}
 .menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);flex-direction:column;gap:0;padding:8px clamp(20px,5vw,64px) 16px;border-bottom:1px solid var(--line)}
 .menu.open{display:flex}
 .menu a{display:block;padding:12px 0}
 nav>.btn{display:none}
 .hero{grid-template-columns:1fr}
 .hero-img{height:340px;order:-1}
 .hero-img .side{width:56px}
 .head{grid-template-columns:1fr;gap:12px}
 .about{grid-template-columns:1fr}
 .about .ph{height:240px}
 .stat-row{grid-template-columns:1fr 1fr;row-gap:20px}
 .stat-row div:nth-child(3){padding-left:0;border:0}
 .trust{grid-template-columns:1fr}
 .trust .ph{height:240px}
}
@media(max-width:560px){
 .cards{grid-template-columns:1fr}
 .proj{flex-basis:86%}
 .two{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.logo{height:46px;width:auto}
footer .logo{height:40px;filter:brightness(0) invert(1)}
.menu{gap:24px}
.pg-head{padding:64px 0 36px;border-bottom:1px solid var(--line)}
.pg-head h1{font-size:clamp(34px,4vw,54px)}
.pg-head p{max-width:560px;color:var(--soft);margin-top:12px}
.pg{padding:48px 0 72px}
.pg h2{font-size:32px;margin:48px 0 20px}
.pg h2:first-child{margin-top:0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.item .ph{aspect-ratio:4/3;overflow:hidden;background:#e5e2da;margin-bottom:14px}
.item h3{font-size:22px;margin-bottom:4px}
.item .sub{font-size:12px;color:var(--soft);margin-bottom:8px}
.item p{font-size:13.5px;color:var(--soft);margin-bottom:8px}
.news{max-width:820px;display:grid;gap:40px}
.news article{display:grid;grid-template-columns:220px 1fr;gap:24px}
.news time{font-size:12px;color:var(--soft)}
.news article.noimg{grid-template-columns:1fr}
.job{border-top:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;gap:24px;align-items:flex-start;max-width:820px}
.job p{font-size:13.5px;color:var(--soft);margin-top:6px}
.docs{max-width:640px}
.docs a{display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid var(--line);font-size:14px}
.docs a:hover{color:var(--green2)}
.forms{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.inl label{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);margin:12px 0 5px}
.inl input,.inl select,.inl textarea{width:100%;padding:11px 12px;border:1px solid var(--line);background:#fff;font:14px 'DM Sans',sans-serif;color:var(--ink)}
.inl textarea{min-height:100px;resize:vertical}
.inl h2{margin:0 0 6px!important}
.coords{display:grid;gap:6px;font-size:14px;margin-bottom:40px}
.empty{color:var(--soft);font-size:14px}
.hp{position:absolute;left:-9999px}
.ab{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:24px}
.ab .ph{aspect-ratio:4/3;overflow:hidden}
.ab p{color:var(--soft);margin-bottom:12px;font-size:15px}
@media(max-width:800px){.grid3,.forms,.ab{grid-template-columns:1fr}.news article{grid-template-columns:1fr}.job{flex-direction:column}}

.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.gal button{position:relative;border:0;padding:0;background:#e5e2da;aspect-ratio:4/3;overflow:hidden;cursor:zoom-in;display:block}
.gal img{transition:transform .4s}.gal button:hover img{transform:scale(1.04)}
dialog#lb{background:transparent;width:96vw;max-width:96vw;max-height:94vh;padding:0;overflow:visible}
dialog#lb img{width:auto;height:auto;max-width:92vw;max-height:88vh;margin:auto;object-fit:contain}
dialog#lb .x{color:#fff;top:-6px;right:6px;font-size:36px}
.lb-p,.lb-n{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.45);color:#fff;border:0;width:44px;height:64px;font-size:34px;cursor:pointer}
.lb-p{left:8px}.lb-n{right:8px}