:root{
  --bg:#08080a;
  --panel:#101012;
  --panel-2:#16161a;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.17);
  --text:#f0ede7;
  --muted:#a8a49b;
  --accent:#e86a33;
  --gold:#f0c56a;
  --radius:16px;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 30px;position:relative;z-index:2}
.eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 18px}
h1,h2,h3{letter-spacing:-.035em;line-height:1.04;margin:0;font-weight:640}
h1{font-size:clamp(2.7rem,6.4vw,4.9rem)}
h2{font-size:clamp(1.9rem,3.8vw,3.1rem)}
h3{font-size:1.18rem;letter-spacing:-.015em}
p{margin:0}
.muted{color:var(--muted)}

/* barre de progression */
#progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--accent),var(--gold));z-index:100;transition:width .1s linear}

/* halo qui suit le curseur */
#glow{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle,rgba(232,106,51,.10),transparent 65%);
  transform:translate(-50%,-50%);left:50%;top:30%;opacity:0;transition:opacity .5s}
@media(hover:hover){#glow{opacity:1}}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .35s,border-color .35s,backdrop-filter .35s;
  border-bottom:1px solid transparent}
header.solid{background:rgba(8,8,10,.78);backdrop-filter:saturate(150%) blur(16px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:640;letter-spacing:-.02em;font-size:16px}
.mark{width:26px;height:26px;border:1.5px solid var(--accent);border-radius:8px;position:relative;display:inline-block;
  box-shadow:0 0 18px rgba(232,106,51,.35)}
.mark:after{content:"";position:absolute;inset:6px;background:var(--accent);border-radius:2px;opacity:.9}
.navlinks{display:flex;gap:28px;font-size:14.5px;color:var(--muted)}
.navlinks a{position:relative;padding:6px 0}
.navlinks a:hover{color:var(--text)}
.navlinks a:after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);transition:width .25s}
.navlinks a:hover:after{width:100%}
.lang{display:flex;gap:2px;font-size:12.5px;border:1px solid var(--line);border-radius:99px;padding:3px}
.lang a{padding:5px 10px;border-radius:99px;color:var(--muted);transition:.2s}
.lang a.on{background:var(--panel-2);color:var(--text)}
.lang a:hover{color:var(--text)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;color:var(--text);padding:8px 11px;font-size:14px}

/* hero */
.hero{position:relative;min-height:94vh;display:flex;align-items:center;overflow:hidden;padding:120px 0 90px}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:url('/assets/img/hero.png') right center/cover no-repeat;
  transform:scale(1.04);will-change:transform}
.hero-bg:after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#08080a 0%,rgba(8,8,10,.94) 34%,rgba(8,8,10,.55) 58%,rgba(8,8,10,.25) 100%),
             linear-gradient(180deg,rgba(8,8,10,.85) 0%,transparent 22%,transparent 72%,#08080a 100%)}
#fx{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.75}
.hero .wrap{z-index:3}
.hero p.lead{font-size:clamp(1.05rem,1.55vw,1.24rem);color:#c9c4ba;max-width:600px;margin-top:26px}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:40px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:11px;font-size:15px;font-weight:600;
  border:1px solid var(--line-strong);transition:transform .18s,background .2s,box-shadow .3s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#180a04;box-shadow:0 10px 34px rgba(232,106,51,.28)}
.btn.primary:hover{background:#f27a44;box-shadow:0 14px 44px rgba(232,106,51,.4)}
.btn.ghost{background:rgba(255,255,255,.03);backdrop-filter:blur(6px)}
.btn.ghost:hover{background:rgba(255,255,255,.07)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:10px}
.scroll-hint span.line{width:1px;height:34px;background:linear-gradient(180deg,var(--accent),transparent);animation:drop 2.2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* sections */
section{position:relative;padding:clamp(66px,9vw,112px) 0;border-top:1px solid var(--line)}
section:before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(232,106,51,.35),transparent)}
.sec-head{display:flex;gap:18px;align-items:baseline;margin-bottom:44px}
.num{font-size:12px;letter-spacing:.2em;color:var(--accent);font-variant-numeric:tabular-nums;min-width:34px;font-weight:600}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:linear-gradient(180deg,var(--panel),#0d0d0f);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .3s,box-shadow .4s;position:relative}
.card:before{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(232,106,51,.13),transparent 45%);
  opacity:0;transition:opacity .35s}
.card:hover{transform:translateY(-4px);border-color:rgba(232,106,51,.35);box-shadow:0 22px 60px rgba(0,0,0,.55)}
.card:hover:before{opacity:1}
.card-media{aspect-ratio:16/10;overflow:hidden;position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.03);transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.09)}
.card-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(13,13,15,.95))}
.card-body{padding:22px 24px 26px}
.tag{display:inline-block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);
  border:1px solid rgba(240,197,106,.28);background:rgba(240,197,106,.06);padding:4px 9px;border-radius:99px;margin-bottom:14px}
.card p{color:var(--muted);font-size:15.4px}
.card ul{margin:16px 0 0;padding:0;list-style:none;font-size:14.4px;color:var(--muted)}
.card li{padding-left:18px;position:relative;margin-top:8px}
.card li:before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(232,106,51,.8)}

/* métriques */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.13);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.metric{background:#0b0b0d;padding:30px 24px;transition:background .3s}
.metric:hover{background:#101013}
.metric .v{font-size:clamp(1.7rem,2.7vw,2.4rem);font-weight:640;letter-spacing:-.035em;color:var(--text)}
.metric .l{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.5}

/* méthode */
.steps{display:grid;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:56px 230px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);
  align-items:baseline;transition:padding .3s,background .3s}
.step:hover{background:linear-gradient(90deg,rgba(232,106,51,.06),transparent 60%);padding-left:12px}
.step .n{color:var(--accent);font-size:13px;letter-spacing:.14em;font-weight:600}
.step h3{font-size:1.06rem}
.step p{color:var(--muted);font-size:15px}

/* offres */
.price{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--panel),#0c0c0e);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:transform .3s,border-color .3s}
.price:hover{transform:translateY(-3px);border-color:rgba(232,106,51,.3)}
.price .rows{margin-top:16px;border-top:1px solid var(--line)}
.price .row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.price .row span:last-child{color:var(--gold);text-align:right;white-space:nowrap}

/* contact */
.contact{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.mail{display:inline-block;font-size:clamp(1.2rem,2.3vw,1.85rem);letter-spacing:-.02em;border-bottom:1px solid var(--accent);
  padding-bottom:4px;margin-top:24px;transition:color .2s,letter-spacing .3s}
.mail:hover{color:var(--accent);letter-spacing:0}
.note{font-size:13.5px;color:var(--muted);margin-top:26px;max-width:420px}
.contact-art{aspect-ratio:1;background:url('/assets/img/ai.png') center/cover no-repeat;border-radius:var(--radius);
  border:1px solid var(--line);opacity:.9}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0;font-size:13.5px;color:var(--muted)}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer a:hover{color:var(--text)}

/* reveal — visible par défaut, l'animation est un bonus */
.rv{opacity:1;transform:none}
html.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
html.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  #fx,#glow{display:none}
}

/* responsive */
@media(max-width:980px){
  .cards{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;gap:34px}
  .contact-art{max-width:420px}
  .metrics{grid-template-columns:1fr 1fr}
  .step{grid-template-columns:42px 1fr;gap:14px}
  .step p{grid-column:2}
  .navlinks{display:none}
  .burger{display:block}
  .navlinks.open{display:flex;position:absolute;top:72px;left:0;right:0;background:rgba(8,8,10,.97);
    border-bottom:1px solid var(--line);flex-direction:column;padding:20px 30px;gap:16px;backdrop-filter:blur(14px)}
  .hero{min-height:auto;padding:130px 0 80px}
  .hero-bg{background-position:70% center;opacity:.75}
  .scroll-hint{display:none}
}
@media(max-width:560px){
  .metrics{grid-template-columns:1fr}
  .hero h1{font-size:2.5rem}
}