:root{
  --rouge:#E60012; --rouge-d:#b8000e;
  --noir:#000000; --blanc:#ffffff;
  --ink:#111317; --muted:#5b6170; --line:#e6e8ee; --paper:#ffffff;
  --maxw:1140px;
  --ff-title:"Oswald",system-ui,sans-serif;
  --ff-body:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--ff-body);color:var(--ink);background:var(--paper);line-height:1.65;font-weight:400}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--ff-title);font-weight:700;line-height:1.08;letter-spacing:.01em;text-transform:uppercase}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
.section{padding-block:60px}
.section__title{font-size:clamp(26px,4vw,38px);margin:0 0 28px;position:relative;padding-bottom:14px}
.section__title::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;background:var(--rouge);border-radius:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--blanc);border-bottom:3px solid var(--rouge)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px}
.site-brand{display:flex;align-items:center;gap:12px}
.site-brand__logo{width:56px;height:56px;object-fit:contain}
.site-brand__text{font-family:var(--ff-title);font-weight:700;font-size:20px;text-transform:uppercase;letter-spacing:.04em;color:var(--noir)}
.site-nav__list{list-style:none;display:flex;gap:24px;margin:0;padding:0}
.site-nav__list a{font-family:var(--ff-title);font-weight:500;text-transform:uppercase;letter-spacing:.03em;font-size:15px;color:var(--noir);padding-block:4px;border-bottom:2px solid transparent;transition:.15s}
.site-nav__list a:hover{color:var(--rouge);border-color:var(--rouge)}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#000 0%,#1a1a1a 55%,var(--rouge) 160%);color:#fff;padding-block:96px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(230,0,18,.08) 0 14px,transparent 14px 28px);pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero__eyebrow{font-family:var(--ff-title);margin:0 0 12px;text-transform:uppercase;letter-spacing:.22em;font-size:14px;color:var(--rouge);font-weight:600}
.hero__title{margin:0 0 16px;font-size:clamp(36px,6.5vw,62px);color:#fff}
.hero__title em{color:var(--rouge);font-style:normal}
.hero__lead{margin:0 0 30px;max-width:640px;color:#d6d8df;font-size:18px;font-family:var(--ff-body)}

/* Boutons */
.btn{display:inline-block;font-family:var(--ff-title);text-transform:uppercase;letter-spacing:.04em;background:var(--rouge);color:#fff;font-weight:600;padding:14px 28px;border-radius:8px;border:2px solid var(--rouge);transition:.15s}
.btn:hover{background:var(--rouge-d);border-color:var(--rouge-d);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--noir);border-color:#fff}

/* Cartes */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.card{position:relative;border:1px solid var(--line);border-top:4px solid var(--rouge);border-radius:12px;padding:26px 24px;background:#fff;transition:.18s}
.card:hover{box-shadow:0 16px 38px rgba(0,0,0,.10);transform:translateY(-3px)}
.card h3{margin:0 0 10px;font-size:21px}
.card p{margin:0;color:var(--muted);font-size:15px}

/* Footer */
.site-footer{margin-top:48px;background:var(--noir);color:#cfd2da;padding-block:34px;font-size:14px;border-top:4px solid var(--rouge)}
.site-footer p{margin:0}

@media (max-width:640px){
  .site-brand__text{display:none}
  .site-nav__list{gap:14px}
}