:root{
  --orange:#F2532C;
  --orange-deep:#D63F1A;
  --ink:#111111;
  --ink-2:#3A3A3A;
  --muted:#6B6B6B;
  --line:#E7E3DF;
  --paper:#FFFFFF;
  --sand:#F7F4F1;
  --radius:14px;
  --wrap:1160px;
  --head:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --brand:"Chakra Petch",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--body);overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--head);line-height:1.12;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(28px,4vw,42px);font-weight:700}
h3{font-size:20px;font-weight:700}
p{margin:0}
.eyebrow{font:700 12px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--orange)}
.lead{font-size:18px;color:var(--ink-2);max-width:62ch}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:99}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 15px/1 var(--head);letter-spacing:0;text-decoration:none;padding:15px 22px;border-radius:10px;border:2px solid transparent;transition:transform .15s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-deep)}
.btn-ghost{border-color:currentColor}
.btn svg{width:18px;height:18px}

/* En-tête */
.site-head{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:44px;height:auto}
.wordmark{font:700 24px/1 var(--brand);letter-spacing:1px}
.wordmark b{color:var(--orange);font-weight:700}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font:500 15px/1 var(--head);text-decoration:none;color:var(--ink-2)}
.nav a:hover{color:var(--orange)}
.nav .btn{padding:11px 16px;color:#fff}
@media (max-width:860px){.nav a:not(.btn){display:none}}
@media (max-width:420px){.wordmark{font-size:20px}.nav .btn span{display:none}}

/* Hero */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:96px;padding-bottom:104px}
.hero h1{font-size:clamp(36px,5vw,58px);font-weight:800;letter-spacing:-.015em;word-spacing:.04em}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lead{color:#CFCFCF;margin-top:22px}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero .btn-ghost{color:#fff}
.cert{background:#1B1B1B;border:1px solid #2C2C2C;border-radius:var(--radius);padding:28px;position:relative}
.cert::before{content:"";position:absolute;inset:0;border-radius:inherit;border-top:4px solid var(--orange)}
.cert .eyebrow{display:block;margin-bottom:14px}
.cert strong{display:block;font:700 26px/1.2 var(--head)}
.cert p{color:#BDBDBD;margin-top:12px;font-size:15px}
.cert dl{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:22px 0 0;font-size:14px}
.cert dt{color:#8C8C8C}.cert dd{margin:0;color:#fff}
.hero-lens{position:absolute;right:-120px;bottom:-160px;width:520px;opacity:.06;pointer-events:none}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-top:64px;padding-bottom:72px}}

/* Chiffres */
.facts{border-bottom:1px solid var(--line)}
.facts ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.facts li{padding:28px 20px;border-left:1px solid var(--line)}
.facts li:first-child{border-left:0}
.facts b{display:block;font:700 24px/1.1 var(--head);color:var(--orange)}
.facts span{display:block;margin-top:6px;color:var(--ink-2);font-size:14px}
@media (max-width:860px){.facts ul{grid-template-columns:1fr 1fr}.facts li:nth-child(3){border-left:0}.facts li:nth-child(n+3){border-top:1px solid var(--line)}}

/* Sections */
section{scroll-margin-top:80px}
.sec{padding:96px 0}
.sec-sand{background:var(--sand)}
.sec-head{display:grid;gap:14px;margin-bottom:48px;max-width:760px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:32px}.sec{padding:72px 0}}
.checks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}
.checks li{display:grid;grid-template-columns:22px 1fr;gap:12px;color:var(--ink-2)}
.checks li::before{content:"";width:22px;height:22px;border-radius:6px;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat;margin-top:2px}
.checks b{color:var(--ink)}

/* Cartes */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px}
.sec-sand .card{border-color:#E9E2DB}
.card .ico{width:46px;height:46px;border-radius:12px;background:#FFF0EB;color:var(--orange);display:grid;place-items:center}
.card .ico svg{width:24px;height:24px}
.card p{color:var(--ink-2);font-size:15px}
@media (max-width:980px){.cards,.cards.four{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.cards,.cards.four{grid-template-columns:1fr}}

/* Gamme */
.range{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.range .card{border-top:4px solid var(--orange)}
.range small{font:600 12px/1 var(--head);letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
@media (max-width:860px){.range{grid-template-columns:1fr}}
.note{margin-top:28px;color:var(--muted);font-size:15px}
.note a{color:var(--orange);font-weight:600}

/* Étapes */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.steps li{counter-increment:s;padding:28px;border-radius:var(--radius);background:#1B1B1B;color:#fff}
.steps li::before{content:"0" counter(s);display:block;font:800 40px/1 var(--head);letter-spacing:-.02em;color:var(--orange);margin-bottom:16px}
.steps p{color:#BDBDBD;margin-top:8px;font-size:15px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .lead{color:#CFCFCF}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:grid;gap:6px;text-decoration:none;background:#fff}
a.contact-card:hover{border-color:var(--orange)}
.contact-card small{font:600 12px/1 var(--head);letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
.contact-card strong{font:700 22px/1.2 var(--head)}
.contact-card span{color:var(--ink-2);font-size:15px}
@media (max-width:720px){.contact-grid{grid-template-columns:1fr}}

/* Pied */
.site-foot{background:#0B0B0B;color:#A9A9A9;font-size:14px}
.site-foot .wrap{padding-top:56px;padding-bottom:40px;display:grid;gap:28px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center}
.site-foot .wordmark{color:#fff}
.foot-links{display:flex;flex-wrap:wrap;gap:22px}
.foot-links a{text-decoration:none;color:#D6D6D6}
.foot-links a:hover{color:var(--orange)}
.legal{border-top:1px solid #222;padding-top:22px;line-height:1.7}

/* Page texte */
.doc{padding:72px 0 96px}
.doc .wrap{max-width:820px}
.doc h1{font-size:clamp(32px,5vw,48px);margin:10px 0 28px}
.doc h2{font-size:22px;margin:40px 0 12px}
.doc p,.doc li{color:var(--ink-2)}
.doc table{width:100%;border-collapse:collapse;margin-top:8px}
.doc th,.doc td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line);vertical-align:top;font-size:15px}
.doc th{width:40%;color:var(--muted);font-weight:500;padding-right:16px}

:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}