:root{--bg:#08090b;--panel:#111318;--panel2:#171a20;--line:#2b2e36;--text:#f7f7f7;--muted:#b7bbc5;--red:#ed1b24;--red2:#a90d14;--max:1180px;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.62 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}p{margin:0 0 1rem;color:var(--muted)}h1,h2,h3{margin:0 0 1rem;line-height:1.04;letter-spacing:-.035em}h1{font-size:clamp(2.65rem,7vw,6rem);max-width:880px}h2{font-size:clamp(2rem,4vw,3.55rem)}h3{font-size:1.25rem;letter-spacing:-.015em}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}.eyebrow{display:flex;gap:.7rem;align-items:center;text-transform:uppercase;font-size:.78rem;font-weight:800;letter-spacing:.16em;color:#fff}.eyebrow:before{content:"";width:34px;height:3px;background:var(--red)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:50px;padding:.8rem 1.18rem;border:1px solid var(--red);background:var(--red);color:#fff;font-weight:800;border-radius:7px;transition:.2s}.btn:hover{background:#ff3139;transform:translateY(-1px)}.btn.secondary{background:transparent;border-color:#ffffff55}.btn.secondary:hover{border-color:#fff;background:#ffffff0d}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid #ffffff12;background:#08090be8;backdrop-filter:blur(16px)}.nav{min-height:78px;display:flex;align-items:center;gap:2rem}.brand img{display:block;width:190px;max-height:54px;object-fit:contain}.nav-links{display:flex;gap:1.55rem;margin-left:auto;align-items:center;font-size:.92rem;font-weight:700}.nav-links a:not(.btn):hover{color:#ff343c}.menu{display:none;margin-left:auto;border:1px solid #ffffff33;background:transparent;color:#fff;border-radius:6px;padding:.65rem}.hero{position:relative;min-height:690px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#08090b 0%,#08090be8 38%,#08090b4d 68%,#08090b22),url('/assets/images/optimisation-moteur-materiel-lourd.webp') center/cover no-repeat}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 70%,#08090b),repeating-linear-gradient(90deg,transparent 0 119px,#ffffff08 120px)}.hero .wrap{position:relative;z-index:2;padding:105px 0}.hero-copy{max-width:760px}.hero h1 span,.red{color:var(--red)}.lead{font-size:clamp(1.1rem,2vw,1.35rem);max-width:720px;color:#e1e3e7}.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin:2rem 0}.proof{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:2.2rem}.proof div{padding-left:1rem;border-left:3px solid var(--red);font-weight:800}.proof small{display:block;color:var(--muted);font-weight:500}.section{padding:95px 0}.section.alt{background:#0e1014}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:end;margin-bottom:2.5rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:1.65rem;background:linear-gradient(145deg,#171a20,#0e1014);overflow:hidden}.card:before{content:"";position:absolute;left:0;top:0;width:64px;height:3px;background:var(--red)}.card .num{font-size:.78rem;color:#ff6268;font-weight:900;letter-spacing:.14em}.card ul{padding-left:1.15rem;color:var(--muted)}.card-link{display:inline-flex;margin-top:.8rem;color:#fff;font-weight:800}.card-link:after{content:"→";margin-left:.5rem;color:var(--red)}.sectors{grid-template-columns:repeat(4,1fr)}.sector{min-height:240px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,#ffffff06,#000),var(--panel)}.sector strong{font-size:1.55rem}.process{counter-reset:steps;grid-template-columns:repeat(4,1fr)}.step{border-top:1px solid var(--line);padding-top:1rem}.step:before{counter-increment:steps;content:"0" counter(steps);display:block;color:var(--red);font-weight:900;margin-bottom:2rem}.band{border-block:1px solid #ffffff1f;background:linear-gradient(90deg,#5a070a,#ed1b24 50%,#5a070a);padding:38px 0}.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:2rem}.band p{color:#fff;margin:0}.zone{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem}.map-card{min-height:390px;background:radial-gradient(circle at 45% 55%,#ed1b2438 0 14%,transparent 15%),radial-gradient(circle at 45% 55%,#ed1b2419 0 34%,transparent 35%),linear-gradient(135deg,#16181d,#0b0c0f);border:1px solid var(--line);border-radius:var(--radius);display:grid;place-items:center;padding:2rem;text-align:center}.dept-list{display:flex;flex-wrap:wrap;gap:.55rem}.pill{padding:.48rem .7rem;border:1px solid #ffffff24;border-radius:100px;background:#ffffff08;font-weight:800}.faq details{border-top:1px solid var(--line);padding:1.25rem 0}.faq summary{font-weight:800;cursor:pointer;font-size:1.05rem}.faq details p{margin:.8rem 0 0;max-width:850px}.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:2rem}.contact-panel{background:var(--red);color:#fff;border-radius:var(--radius);padding:2rem}.contact-panel p{color:#fff}.form{border:1px solid var(--line);border-radius:var(--radius);padding:2rem;background:var(--panel)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.field{display:flex;flex-direction:column;gap:.35rem}.field.full{grid-column:1/-1}.field label{font-size:.85rem;font-weight:800}.field input,.field select,.field textarea{width:100%;background:#090a0d;border:1px solid #353842;color:#fff;border-radius:6px;padding:.85rem;font:inherit}.field textarea{min-height:120px;resize:vertical}.notice{font-size:.8rem;color:#9297a2}.page-hero{padding:120px 0 70px;background:radial-gradient(circle at 90% 10%,#ed1b2436,transparent 32%),repeating-linear-gradient(90deg,transparent 0 119px,#ffffff08 120px),#0d0f12;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2.5rem,6vw,5rem)}.breadcrumbs{font-size:.85rem;color:#a5a9b2;margin-bottom:2.5rem}.content-layout{display:grid;grid-template-columns:1fr 330px;gap:3rem}.content h2{font-size:clamp(1.8rem,3vw,2.65rem);margin-top:2.8rem}.content h3{margin-top:1.8rem}.content ul{color:var(--muted)}.aside{position:sticky;top:105px;height:max-content}.check{list-style:none;padding:0}.check li{margin:.65rem 0;padding-left:1.6rem;position:relative}.check li:before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:900}.footer{padding:58px 0 28px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:3rem}.footer img{width:190px}.footer a{display:block;color:var(--muted);margin:.35rem 0}.footer-bottom{border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1rem;color:#777d88;font-size:.8rem}.floating-call{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:900px){.nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:#0b0c0f;padding:1rem 20px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.menu{display:block}.hero{min-height:650px}.hero:before{background:linear-gradient(90deg,#08090bf5,#08090bbc),url('/assets/images/optimisation-moteur-materiel-lourd.webp') 65% center/cover}.section-head,.zone,.contact,.content-layout{grid-template-columns:1fr}.grid,.sectors,.process{grid-template-columns:1fr 1fr}.aside{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}@media(max-width:600px){.wrap{width:min(calc(100% - 28px),var(--max))}.brand img{width:155px}.hero .wrap{padding:72px 0}.section{padding:66px 0}.grid,.sectors,.process,.fields,.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.band .wrap{align-items:flex-start;flex-direction:column}.floating-call{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:25}.floating-call .btn{flex:1;box-shadow:0 8px 30px #000}.page-hero{padding:92px 0 56px}body{padding-bottom:70px}}
