:root{--sapin:#1b3b2f;--glacier:#2f6f9f;--ardoise:#2b2f36;--ocre:#c28a2e;--fond:#ffffff;--encre:#111827;--gris:#6b7280;--clair:#f5f7fb;--lien:#2f6f9f;--radius:16px;--shadow:0 6px 18px rgba(0,0,0,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;color:var(--encre);background:var(--fond);line-height:1.6}
a{color:var(--lien);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 16px}
header{position:sticky;top:0;background:#fff;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--sapin)}.logo-badge{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--sapin),var(--glacier))}
nav ul{display:flex;gap:16px;list-style:none;margin:0;padding:0}.nav-link{padding:8px 12px;border-radius:10px}.nav-link:hover{background:var(--clair)}
.menu-btn{display:none;border:1px solid #e5e7eb;padding:8px 12px;border-radius:10px;background:#fff}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:48px 0}
.hero-card{background:var(--clair);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.hero h1{margin:0 0 8px 0;line-height:1.2}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0 0}.badge{background:#eef2f7;color:#304254;padding:6px 10px;border-radius:999px;font-size:13px}
.hero-img img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
section{padding:36px 0}h2{margin:0 0 12px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid #eef0f4;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.card h3{margin-top:0}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq .q{margin:0}details{border:1px solid #e5e7eb;border-radius:12px;padding:12px 16px;background:#fff}details+details{margin-top:10px}summary{cursor:pointer;font-weight:600}
.refbox{background:#fff7eb;border:1px solid #ffe0b2;padding:16px;border-radius:12px}.breadcrumb{font-size:14px;color:var(--gris);padding:8px 0}
footer{background:#0f172a;color:#d1d5db;padding:28px 0;margin-top:36px}footer a{color:#e5e7eb}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.cta{display:inline-block;background:var(--sapin);color:#fff;padding:10px 14px;border-radius:10px}.cta:hover{opacity:.94}
img{border:0;max-width:100%;height:auto}.skip{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:8px;top:8px;width:auto;height:auto;padding:8px 12px;background:#fff;border:1px solid #e5e7eb;border-radius:10px}
@media(max-width:980px){.hero{grid-template-columns:1fr}.cards,.gallery{grid-template-columns:1fr 1fr}nav ul{display:none}.menu-btn{display:inline-block}.nav-open nav ul{display:flex;flex-direction:column;background:#fff;position:absolute;left:0;right:0;top:60px;padding:10px 16px;border-bottom:1px solid #e5e7eb}}
@media(max-width:640px){.cards,.gallery{grid-template-columns:1fr}}
.small{font-size:13px;color:var(--gris)}.hr{height:1px;background:#e5e7eb;border:0;margin:18px 0}blockquote{border-left:3px solid var(--glacier);padding-left:12px;color:#374151;margin:16px 0}