:root {
  --noir: #050505;
  --noir-2: #121212;
  --noir-3: #1c1c1c;
  --creme: #f3f3f1;
  --gris: #a3a3a3;
  --rouge: #c51b22;
  --vert: #7fb285;
  --bord: #2a2a2a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--noir);
  color: var(--creme);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { width: min(1100px, 92%); margin: 0 auto; }

header.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bord);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.18em; text-decoration: none; }
.brand-mark { height: 38px; width: auto; background: #fff; border-radius: 6px; padding: 2px; }
.brand-text { height: 38px; width: auto; }
.nav nav { display: flex; gap: 22px; font-size: 14px; }
.nav nav a { text-decoration: none; color: var(--gris); }
.nav nav a:hover { color: var(--creme); }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  background: var(--rouge); color: #fff; font-weight: 700; text-decoration: none;
  border: 2px solid var(--rouge);
}
.btn:hover { filter: brightness(1.12); }
.btn.ghost { background: transparent; border-color: var(--creme); color: var(--creme); }
.btn.ghost:hover { background: var(--creme); color: var(--noir); }

.hero { padding: 64px 0 80px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--rouge); font-weight: 700; letter-spacing: 0.2em; font-size: 12px; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 5.2vw, 58px); line-height: 1.08; margin: 14px 0 18px; }
.hero h1 em { font-style: normal; color: var(--rouge); }
.hero p.lead { font-size: 19px; color: #d6d6d6; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero .logo-card { background: #fff; border-radius: 28px; padding: 28px; border: 1px solid var(--bord); box-shadow: 0 30px 80px rgba(197, 27, 34, 0.18); }
.note { margin-top: 14px; font-size: 13px; color: var(--gris); }

.chiffres { border-top: 1px solid var(--bord); border-bottom: 1px solid var(--bord); background: var(--noir-2); }
.chiffres .wrap { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.chiffres div { padding: 26px 10px; }
.chiffres strong { display: block; font-size: 28px; color: var(--rouge); }
.chiffres span { font-size: 13px; color: var(--gris); }

section { padding: 84px 0; }
section h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 10px 0 14px; }
section .sous { color: var(--gris); max-width: 40em; font-size: 17px; }

.grille { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.carte { background: var(--noir-2); border: 1px solid var(--bord); border-radius: 20px; padding: 26px; transition: transform 0.2s, border-color 0.2s; }
.carte:hover { transform: translateY(-4px); border-color: var(--rouge); }
.carte .ico { width: 44px; height: 44px; margin-bottom: 16px; display: grid; place-items: center; border: 1px solid var(--bord); border-radius: 12px; color: var(--rouge); }
.carte .ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.carte h3 { font-size: 19px; margin-bottom: 8px; }
.carte p { color: #c4c4c4; font-size: 15px; }
.carte ul { margin: 10px 0 0 18px; color: #c4c4c4; font-size: 14px; }

.roles { background: var(--noir-2); border-top: 1px solid var(--bord); border-bottom: 1px solid var(--bord); }
.roles .grille { grid-template-columns: repeat(3, 1fr); }
.roles .carte { background: var(--noir-3); }
.tag { display: inline-block; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--vert); font-weight: 700; margin-bottom: 8px; }

.garanties { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.garanties div { border-left: 3px solid var(--rouge); padding: 6px 0 6px 18px; }
.garanties strong { display: block; margin-bottom: 4px; }
.garanties span { color: #c4c4c4; font-size: 15px; }

.final { text-align: center; background: linear-gradient(180deg, var(--noir) 0%, #1a0608 100%); }
.final .cta { justify-content: center; }

footer { border-top: 1px solid var(--bord); padding: 34px 0; color: var(--gris); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 30px; justify-content: space-between; }
footer a { text-decoration: none; }
footer a:hover { color: var(--creme); }
footer .liens { display: flex; gap: 22px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero .logo-card { max-width: 380px; margin: 0 auto; }
  .grille, .roles .grille, .garanties { grid-template-columns: 1fr; }
  .chiffres .wrap { grid-template-columns: repeat(2, 1fr); }
  .nav nav a:not(.btn) { display: none; }
}