:root{--accent:#b91c1c;--ink:#18181b;--muted:#71717a;--soft:#fef2f2;--dark:#2b1a1a;}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Work Sans',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
h1,h2,h3{font-family:'Work Sans',system-ui,sans-serif;line-height:1.15}
h1{font-size:clamp(1.8rem,4.5vw,2.8rem)}
h2{font-size:clamp(1.35rem,3.5vw,1.9rem);margin-bottom:1rem}
section{padding:64px 0}
.shell{max-width:980px;margin:0 auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid #ececec;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;gap:22px;padding:13px 20px}
.logo{font-weight:800;font-family:'Work Sans',sans-serif;letter-spacing:-0.02em;text-decoration:none;color:inherit;margin-right:auto}
.nav-links{display:flex;gap:18px;font-size:.95rem}
.nav-links a{text-decoration:none;color:var(--muted);font-weight:600}
.nav-links a:hover{color:var(--ink)}
.cta-link{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 24px;border-radius:6px;font-weight:700;cursor:pointer}
.cta-link-ghost{background:transparent;color:inherit;border:2px solid currentColor}
.cta-link-alt{background:#fff;color:var(--ink);border:2px solid var(--accent)}
.masthead{background:var(--soft);position:relative;background-size:cover;background-position:center;padding:64px 0}
.masthead-shop{padding:96px 0;background-position:center 35%}
.masthead-dark{color:#fff}
.masthead-dark::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,10,14,.82),rgba(10,10,14,.45))}
.masthead-shop.masthead-dark::before{background:linear-gradient(115deg,rgba(8,10,16,.78),rgba(8,10,16,.28))}
.masthead > .shell{position:relative}
.masthead-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.masthead-kicker{text-transform:uppercase;letter-spacing:.08em;font-weight:700;font-size:.8rem;color:var(--accent);margin-bottom:12px}
.masthead-dark .masthead-kicker{color:#ffd9c4}
.masthead-kicker a{color:inherit;text-decoration:none}
.masthead-actions{display:flex;gap:12px;flex-wrap:wrap}
.accroche{color:var(--muted);max-width:560px;margin:14px 0 24px}
.masthead-dark .accroche{color:rgba(255,255,255,.78)}
.devis-box{background:#fff;border-radius:12px;padding:26px;box-shadow:0 18px 50px rgba(0,0,0,.14);color:var(--ink)}
.devis-box h3{margin-bottom:4px}
.devis-box-intro{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.devis-box form{display:grid;gap:11px}
.devis-box label{display:grid;gap:5px;font-weight:600;font-size:.85rem}
.devis-box input,.devis-box textarea{border:1px solid #d8d8d4;border-radius:8px;padding:10px 12px;font:inherit;width:100%}
.devis-box input:focus,.devis-box textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.devis-box button{background:var(--accent);color:#fff;border:0;border-radius:6px;padding:13px 22px;font-weight:800;font-size:1rem;cursor:pointer}
.form-note{color:#047857;font-weight:700;font-size:.9rem}
.savoir-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:10px}
.card{background:var(--soft);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;display:block}

.card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.card-body{padding:20px 22px}
.card-body h3{margin-bottom:8px;font-size:1.05rem}
.card-body p{color:var(--muted);font-size:.95rem}
.card-dark{background:var(--dark);color:#fff}
.card-dark .card-body p{color:rgba(255,255,255,.7)}
.card-more{display:inline-block;margin-top:10px;font-weight:700;color:var(--accent);font-size:.9rem}
.savoir-all{margin-top:22px;text-align:center}
.raisons .raisons-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.deroule{background:var(--dark);color:#fff}
.deroule-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;margin-top:8px}
.deroule-num{font-size:2rem;font-weight:800;color:var(--accent);display:block;margin-bottom:8px}
.deroule-grid p{color:rgba(255,255,255,.72);font-size:.95rem}
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.about-grid img{width:100%;border-radius:12px}
.about p,.region p{color:var(--muted);max-width:640px}
.about-page h1{margin-bottom:18px}
.about-page p{color:var(--muted);max-width:680px;margin-bottom:14px}
.about-photo{width:100%;max-width:680px;border-radius:12px;margin:6px 0 18px}
.realisations-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;align-items:start}
.realisations-grid img{width:100%;border-radius:12px;display:block}
.savoir-detail-photo{width:100%;max-width:640px;border-radius:12px;margin:0 0 18px;display:block}
.faq{background:var(--soft)}
.faq details{background:#fff;border-radius:10px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{color:var(--muted);margin-top:8px}
.message-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.message-zone{color:var(--muted);font-size:.95rem;margin-top:18px}
.message-page h1{margin-bottom:6px}
.savoir-page h1,.savoir-hero h1{margin-bottom:8px}
.savoir-hero{background:var(--soft);padding:48px 0}
.savoir-detail-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:start}
.savoir-detail p{color:var(--muted);margin-bottom:14px}
.savoir-bullets{margin:10px 0 0 2px;display:grid;gap:8px;list-style:none}
.savoir-bullets li{padding-left:26px;position:relative;font-weight:600}
.savoir-bullets li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.action{background:var(--dark);color:#fff;text-align:center}
.action .cta-link{background:var(--accent)}
.action .cta-link-ghost{color:#fff;background:transparent}
.action .cta-link-alt{background:#fff;color:var(--ink);border-color:#fff}
footer{padding:32px 0;border-top:1px solid #ececec;color:var(--muted);font-size:.88rem}
footer a{color:inherit}
@media(max-width:820px){.masthead-grid,.about-grid,.message-grid,.savoir-detail-grid{grid-template-columns:1fr}.nav-links{display:none}}