:root{--slate: #2b3440;--slate-700: #3c4756;--zinc: #64748b;--zinc-pale: #eef1f4;--terra: #c0602b;--terra-dark: #9c4b1e;--terra-pale: #f8ece2;--cream: #f7f4ef;--sand: #e7e0d3;--text: #3a3f45;--muted: #6b7280;--white: #ffffff;--radius: 18px;--radius-sm: 12px;--shadow-soft: 0 12px 32px rgba(43, 52, 64, .1);--shadow-card: 0 4px 18px rgba(43, 52, 64, .07);--font-title: "Playfair Display", Georgia, serif;--font-body: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{font-family:var(--font-title);color:var(--slate);margin:0 0 12px;line-height:1.2}p{margin:0 0 16px}a{color:var(--terra);text-decoration:none}img{display:block;max-width:100%}button{font-family:var(--font-body);cursor:pointer}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.section{padding:72px 0}.section-title{font-size:2.1rem;font-weight:700}.section-lead{max-width:620px;color:var(--muted);font-size:1.05rem;margin-bottom:40px}.section-head{margin-bottom:40px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-sm);padding:13px 22px;font-size:16px;font-weight:700;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .1s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--terra);color:var(--white)}.btn-primary:hover{background:var(--terra-dark)}.btn-outline{background:transparent;color:var(--slate);border:1px solid var(--sand)}.btn-outline:hover{border-color:var(--zinc);background:var(--white)}.card{background:var(--white);border:1px solid var(--sand);border-radius:var(--radius);box-shadow:var(--shadow-card)}.eyebrow{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--terra);margin-bottom:12px}.btn-light{background:#ffffff24;color:var(--white);border:1px solid rgba(255,255,255,.35)}.btn-light:hover{background:#ffffff3d;border-color:#fff9}.page-hero{background:linear-gradient(120deg,#2b3440eb,#2b3440b3),url(/images/toiture-bac-acier.jpeg) center/cover no-repeat;color:var(--white);padding:96px 0 80px}.page-hero h1{color:var(--white);font-size:2.6rem;margin-bottom:16px}.page-hero p{color:#ffffffd9;max-width:620px;font-size:1.08rem;margin:0}.page-hero .eyebrow{color:var(--terra-pale)}.cta-banner{background:var(--terra);color:var(--white);padding:64px 0}.cta-banner h2{color:var(--white);margin-bottom:8px}.cta-banner p{margin:0;color:#ffffffd9}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}@media (max-width: 900px){.cta-inner{flex-direction:column;text-align:center}}