:root{--navy:#0b1b33;--navy2:#122746;--gold:#caa75e;--gold2:#e1c47c;--white:#fff;--ink:#172033;--muted:#687386;--light:#f5f7fa;--line:#e7eaf0;--shadow:0 18px 50px rgba(11,27,51,.10);--radius:18px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.container{width:min(var(--max),92%);margin:auto}.topbar{background:var(--navy);color:#dfe6f2;font-size:13px}.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:9px 0}.topbar a:hover{color:var(--gold2)}header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand img{width:170px;height:auto}.menu{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700}.menu a{padding:28px 0;position:relative}.menu a.active,.menu a:hover{color:var(--gold)}.menu a.active:after,.menu a:hover:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--gold)}.nav-cta{background:var(--navy);color:#fff!important;padding:12px 17px!important;border-radius:999px}.nav-cta:after{display:none!important}.burger{display:none;border:0;background:none;font-size:27px;color:var(--navy)}.hero{min-height:660px;display:grid;place-items:center;background:linear-gradient(90deg,rgba(7,18,35,.92),rgba(7,18,35,.58),rgba(7,18,35,.15)),url('assets/images/construction-chantier-structure.webp') center/cover}.hero-inner{padding:90px 0;color:#fff;max-width:850px;margin-right:auto}.eyebrow{display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:800;color:var(--gold2);margin-bottom:18px}.eyebrow:before{content:"";width:34px;height:2px;background:var(--gold)}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.12;margin:0 0 18px}h1{font-size:clamp(44px,6vw,76px);max-width:800px}h2{font-size:clamp(34px,4vw,48px)}h3{font-size:24px}.hero p{font-size:20px;max-width:700px;color:#e6ebf2}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 21px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s}.btn-primary{background:var(--gold);color:var(--navy)}.btn-primary:hover{background:var(--gold2);transform:translateY(-1px)}.btn-light{border-color:rgba(255,255,255,.45);color:#fff}.btn-light:hover{background:#fff;color:var(--navy)}.section{padding:95px 0}.section.alt{background:var(--light)}.section-head{max-width:760px;margin-bottom:45px}.section-head.center{margin-left:auto;margin-right:auto;text-align:center}.kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#8b6b2d;font-weight:900;margin-bottom:12px}.lead{font-size:18px;color:var(--muted)}.intro{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}.intro-card{padding:35px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.checks{display:grid;gap:12px;margin-top:24px}.check{display:flex;gap:12px;align-items:flex-start}.check b{color:var(--navy)}.icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#f4ead2;color:#8b6b2d;font-weight:900;flex:0 0 auto}.photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#ddd}.photo img{width:100%;height:100%;object-fit:cover}.intro .photo{min-height:440px}.poles{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.pole{position:relative;min-height:360px;border-radius:var(--radius);overflow:hidden;color:#fff;isolation:isolate}.pole:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,13,25,.05),rgba(5,13,25,.86));z-index:-1}.pole img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:.4s}.pole:hover img{transform:scale(1.05)}.pole-body{position:absolute;left:22px;right:22px;bottom:22px}.pole-no{color:var(--gold2);font-size:12px;font-weight:900;letter-spacing:.15em}.pole h3{font-size:23px;margin:7px 0}.pole p{font-size:14px;color:#edf1f7;margin:0}.link{color:var(--gold);font-weight:800}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 30px rgba(11,27,51,.05)}.card .num{font-size:13px;color:#9a7937;font-weight:900;letter-spacing:.12em}.card h3{margin-top:9px}.card p{color:var(--muted)}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.step{padding:24px 16px;border-top:2px solid var(--gold);background:#fff;border:1px solid var(--line);border-top:2px solid var(--gold);border-radius:14px}.step b{font-size:13px;color:#9a7937}.step h3{font-size:18px;margin:8px 0}.step p{font-size:13px;color:var(--muted);margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.quote{background:var(--navy);color:#fff;border-radius:24px;padding:45px}.quote p{color:#d9e0eb;font-size:18px}.quote strong{color:var(--gold2)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:25px}.stat{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}.stat b{display:block;font:700 30px Georgia,serif;color:var(--navy)}.stat span{font-size:13px;color:var(--muted)}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gallery figure{margin:0;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line)}.gallery img{height:245px;width:100%;object-fit:cover}.gallery figcaption{padding:15px 17px;font-size:13px;color:var(--muted)}.gallery figcaption b{display:block;color:var(--ink);margin-bottom:3px}.note{font-size:12px;color:#7b8492;margin-top:18px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 25px}.filter{border:1px solid var(--line);background:#fff;padding:9px 15px;border-radius:999px;cursor:pointer;font-weight:700}.filter.active,.filter:hover{background:var(--navy);color:#fff;border-color:var(--navy)}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px}.contact-panel{background:var(--navy);color:#fff;border-radius:24px;padding:38px}.contact-panel p{color:#d9e0eb}.contact-list{display:grid;gap:14px;margin-top:25px}.contact-item{display:flex;gap:12px}.contact-item span:first-child{color:var(--gold2);font-weight:900;min-width:90px}.form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:35px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800}.field input,.field select,.field textarea{width:100%;border:1px solid #dfe3ea;border-radius:11px;padding:13px 14px;font:inherit;background:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold)}.field textarea{min-height:150px;resize:vertical}.form small{color:var(--muted)}footer{background:#071426;color:#cfd7e4;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer-logo{width:180px;background:#fff;padding:8px;border-radius:8px;margin-bottom:16px}.footer h3{font:800 16px Inter,sans-serif;color:#fff;margin-bottom:13px}.footer a:hover{color:var(--gold2)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:15px}.float-wa{position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;background:#1fa855;color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.2);font-size:22px}.modal{position:fixed;inset:0;background:rgba(3,10,20,.72);display:none;align-items:center;justify-content:center;padding:20px;z-index:100}.modal.open{display:flex}.modal-box{background:#fff;border-radius:22px;max-width:760px;width:100%;max-height:90vh;overflow:auto;padding:35px;position:relative}.close{position:absolute;right:18px;top:14px;border:0;background:#f1f3f6;border-radius:50%;width:38px;height:38px;font-size:22px;cursor:pointer}.hidden{display:none!important}.legal{max-width:850px}.legal h2{margin-top:35px}.page-hero{padding:90px 0;background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff}.page-hero p{max-width:720px;color:#d8e0eb;font-size:18px}.service-layout{display:grid;grid-template-columns:1fr .75fr;gap:55px;align-items:start}.service-photo{min-height:460px}.bullet-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px}.bullet{padding:16px;border:1px solid var(--line);border-radius:12px;background:#fff}.cta{padding:60px 0;background:linear-gradient(120deg,#f8f2e4,#fff)}
@media(max-width:1050px){.poles{grid-template-columns:repeat(3,1fr)}.process{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid>div:last-child{display:none}}
@media(max-width:820px){.topbar{display:none}.nav{min-height:68px}.brand img{width:145px}.burger{display:block}.menu{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;padding:15px 4%;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.menu.open{display:flex}.menu a{padding:13px 0}.menu a.active:after,.menu a:hover:after{display:none}.intro,.split,.contact-grid,.service-layout{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}.hero{min-height:620px}.hero-inner{padding:70px 0}.stats{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{display:block}}
@media(max-width:600px){.section{padding:70px 0}.poles,.cards,.gallery,.form-grid,.bullet-grid,.stats,.footer-grid{grid-template-columns:1fr}.process{grid-template-columns:1fr 1fr}.hero{min-height:610px}.hero p{font-size:17px}.actions .btn{width:100%}.intro .photo,.service-photo{min-height:330px}.footer-bottom{flex-direction:column}.float-wa{right:15px;bottom:15px}}

/* Pack d’illustrations 2026 */
.visual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.visual-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 28px rgba(11,27,51,.06)}.visual-card img{width:100%;height:190px;object-fit:cover}.visual-card figcaption{padding:16px 17px}.visual-card figcaption b{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}.visual-card figcaption span{font-size:13px;color:var(--muted)}.service-visuals{margin-top:58px}.service-visuals .section-head{margin-bottom:20px}.construction-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.construction-gallery figure{margin:0;position:relative;border-radius:14px;overflow:hidden;background:#ddd;min-height:190px}.construction-gallery img{width:100%;height:100%;min-height:190px;object-fit:cover}.construction-gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 10px;color:#fff;font-size:12px;font-weight:800;background:linear-gradient(transparent,rgba(5,13,25,.85))}.illustration-badge{display:inline-block;margin-top:8px;padding:4px 8px;border-radius:999px;background:#f4ead2;color:#8b6b2d;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.pole img{object-position:center}.gallery img{background:#eef1f5}.hero{background-image:linear-gradient(90deg,rgba(7,18,35,.92),rgba(7,18,35,.58),rgba(7,18,35,.15)),url('assets/images/construction-chantier-structure.webp')}
@media(max-width:900px){.visual-grid{grid-template-columns:1fr 1fr}.construction-gallery{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.visual-grid,.construction-gallery{grid-template-columns:1fr}.visual-card img{height:220px}.construction-gallery figure,.construction-gallery img{min-height:230px;height:230px}}