:root{
  --bg:#000;--bg2:#040914;--card:#0a1022;--line:rgba(255,255,255,.09);
  --text:#e8ecf8;--muted:#9aa5c4;--gold:#ffc233;--violet:#1e9bff;--cyan:#6fe3ff;
  --grad:linear-gradient(135deg,#1e9bff,#6fe3ff);
  --r:18px;--font:'Inter',system-ui,sans-serif;--head:'Sora','Inter',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
#stars{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3{font-family:var(--head);line-height:1.15;letter-spacing:-.02em}
.wrap{width:min(1120px,92%);margin-inline:auto}
.narrow{width:min(780px,92%)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:6px max(4%,calc((100% - 1120px)/2));background:rgba(0,0,0,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center}
.logo img{height:52px;width:auto}
.logo span{color:var(--text)}.logo b{font-weight:800;margin-left:3px;color:var(--gold)}
#menu{display:flex;align-items:center;gap:26px;font-size:.95rem;color:var(--muted)}
#menu a:not(.btn):hover{color:var(--text)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:var(--text);transition:.3s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
.burger[aria-expanded=true] span:first-child{top:19px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:19px;transform:rotate(-45deg)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;border:0;cursor:pointer;font:600 .98rem var(--font);color:#06091a;background:var(--gold);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,200,87,.3)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--gold);box-shadow:none}
.btn-sm{padding:9px 18px;font-size:.88rem;color:#06091a!important}

/* HERO */
.hero{padding:150px 0 90px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill{display:inline-block;padding:7px 16px;border:1px solid var(--line);border-radius:999px;font-size:.85rem;color:var(--muted);background:rgba(255,255,255,.03);margin-bottom:22px}
h1{font-size:clamp(2.2rem,5.2vw,3.8rem);font-weight:800}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--gold),#ff9d5c);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin:22px 0 32px;font-size:1.12rem;color:var(--muted);max-width:560px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.trust{margin-top:38px;display:grid;gap:8px;font-size:.92rem;color:var(--muted)}
.trust strong{color:var(--gold)}
.hero-card{position:relative;padding:20px}
.hero-logo{display:grid;place-items:center;aspect-ratio:1/.8;border-radius:28px;background:radial-gradient(closest-side,rgba(30,155,255,.28),transparent 75%)}
.hero-logo img{width:100%;height:auto;filter:drop-shadow(0 0 28px rgba(30,155,255,.35))}
.browser{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(124,92,255,.25)}
.dots{display:flex;gap:7px;padding:14px 16px;border-bottom:1px solid var(--line)}
.dots i{width:10px;height:10px;border-radius:50%;background:#2a3558}
.mock{padding:24px;display:grid;gap:14px}
.m-bar{height:14px;border-radius:8px;background:var(--grad);opacity:.85}
.m-bar.w60{width:60%}.m-bar.w90{width:90%;opacity:.35;background:#fff}
.m-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:8px 0}
.m-grid span{height:90px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.m-grid span:nth-child(2){background:linear-gradient(160deg,rgba(255,200,87,.3),rgba(255,255,255,.04))}
.m-btn{width:42%;height:36px;border-radius:999px;background:var(--gold)}
.float{position:absolute;padding:9px 15px;border-radius:999px;font-size:.82rem;font-weight:600;background:#0f1730;border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.4);animation:bob 5s ease-in-out infinite}
.f1{top:0;left:-6px}.f2{bottom:60px;right:-8px;animation-delay:-1.6s}.f3{bottom:-6px;left:30px;animation-delay:-3.2s}
@keyframes bob{50%{transform:translateY(-10px)}}

/* STATS */
.stats{padding:20px 0 40px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:34px;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.025)}
.stats-grid div{text-align:center}
.stats-grid b{display:block;font:800 2.4rem var(--head);color:var(--gold)}
.stats-grid span{font-size:.88rem;color:var(--muted)}

/* SECTIONS */
.sec{padding:96px 0}
.sec.alt{background:var(--bg2)}
.eyebrow{font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:12px}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:700;max-width:760px}
.sub{margin-top:14px;color:var(--muted);max-width:620px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.card,.product,.work{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:transform .3s,border-color .3s}
.card:hover,.product:hover,.work:hover{transform:translateY(-6px);border-color:rgba(255,200,87,.45)}
.ic{font-size:1.8rem;width:56px;height:56px;display:grid;place-items:center;border-radius:14px;background:rgba(255,200,87,.1);margin-bottom:18px}
.card h3,.work h3{font-size:1.18rem;margin-bottom:8px}
.card p,.work p,.product p{color:var(--muted);font-size:.96rem}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px}
.product h3{font-size:1.8rem;margin:14px 0 10px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.product ul{margin-top:18px;display:grid;gap:8px;font-size:.93rem}
.product li::before{content:"✦ ";color:var(--gold)}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.76rem;font-weight:600;color:var(--gold);background:rgba(255,200,87,.1)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px;counter-reset:s}
.steps li{padding:28px 24px;border-top:2px solid var(--gold);background:linear-gradient(180deg,rgba(255,255,255,.04),transparent)}
.steps span{font:800 2rem var(--head);color:rgba(255,200,87,.35)}
.steps h3{margin:6px 0 8px;font-size:1.1rem}.steps p{color:var(--muted);font-size:.94rem}
.work .thumb{height:150px;border-radius:12px;margin-bottom:20px;display:grid;place-items:center;font-size:3rem;color:#fff}
.t1{background:linear-gradient(135deg,#ff7a45,#ffc857)}.t2{background:linear-gradient(135deg,#7c5cff,#38d9f5)}.t3{background:linear-gradient(135deg,#10b981,#38d9f5)}
.work .tag{margin-top:16px}
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
.about p{margin-top:16px;color:var(--muted)}
.values{display:grid;gap:14px}
.values li{padding:20px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);color:var(--muted);font-size:.95rem}
.values b{color:var(--gold)}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:20px 0}
details:first-of-type{margin-top:32px}
summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--gold);font-size:1.4rem;line-height:1;transition:.3s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px;color:var(--muted)}

/* CONTACT */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.info{margin-top:28px;display:grid;gap:12px;color:var(--muted)}
.info a{color:var(--gold);text-decoration:underline}
.form{display:grid;gap:16px;padding:32px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
label{display:grid;gap:7px;font-size:.88rem;color:var(--muted);font-weight:500}
input,select,textarea{width:100%;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:400 1rem var(--font)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:1px}
.note{font-size:.88rem;min-height:1.2em;color:var(--gold)}

/* FOOTER + WA */
.footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:.9rem}
.foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer a:hover{color:var(--gold)}
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;box-shadow:0 10px 30px rgba(37,211,102,.4);transition:transform .2s}
.wa:hover{transform:scale(1.08)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:960px){
  .hero-grid,.about,.contact,.duo{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .hero{padding-top:120px}
}
@media(max-width:720px){
  .burger{display:block}
  #menu{position:fixed;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;padding:12px 6%;background:rgba(0,0,0,.97);border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .35s;pointer-events:none}
  #menu.open{transform:none;pointer-events:auto}
  #menu a{padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  #menu .btn{margin:14px 0;width:auto;border:0}
  .cards,.steps{grid-template-columns:1fr}
  .sec{padding:70px 0}
  .float{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* Formulaire de devis */
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.note.ok{color:#2ecc8f}.note.err{color:#ff8a8a}.note a{text-decoration:underline;color:var(--gold)}
.mini-steps{margin:26px 0 6px;display:grid;gap:12px}
.mini-steps li{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:.96rem}
.mini-steps b{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(255,194,51,.12);color:var(--gold);font:700 .85rem var(--head)}
@media(max-width:560px){.form .two{grid-template-columns:1fr}.logo img{height:44px}}