:root{
  --night:#050816;
  --night-2:#0A0F2C;
  --royal:#1D239D;
  --sky:#4078E8;
  --cyan:#6FD8FF;
  --gold:#E8D0A0;
  --text:#EEF2FF;
  --muted:#9AA6C8;
  --line:rgba(160,180,255,.14);
  --glass:rgba(16,22,60,.55);
  --radius:18px;
  --wrap:1180px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--text);
  font:16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
h1,h2,h3{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.1;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(38px,min(6vw,10svh),78px);font-weight:700}
@media(min-width:821px) and (max-height:800px){.hero-content{padding-top:110px;padding-bottom:80px}}
h2{font-size:clamp(28px,3.6vw,46px);font-weight:600;max-width:760px}
h3{font-size:21px;font-weight:600}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.kicker{font:600 13px/1 "Space Grotesk",sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin:0 0 18px}
.grad{background:linear-gradient(92deg,var(--gold),#fff 45%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 26px;border-radius:999px;
  font:600 15px/1 Inter,sans-serif;text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s}
.btn:hover{transform:translateY(-2px)}
.btn-glow{background:linear-gradient(120deg,var(--gold),#f7ecd6);color:#141A3F;
  box-shadow:0 0 0 1px rgba(232,208,160,.4),0 10px 40px -8px rgba(232,208,160,.55)}
.btn-glow:hover{box-shadow:0 0 0 1px rgba(232,208,160,.7),0 16px 60px -8px rgba(232,208,160,.8)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:rgba(111,216,255,.5)}
.btn-sm{padding:11px 18px;font-size:14px}

/* Nav */
.nav{position:fixed;inset:14px 14px auto;z-index:50;display:flex;align-items:center;gap:24px;
  padding:10px 12px 10px 14px;border-radius:999px;background:rgba(8,12,36,.45);border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);transition:background .4s,transform .5s var(--ease)}
.nav.is-scrolled{background:rgba(8,12,36,.82)}
.nav.is-hidden{transform:translateY(-120%)}
.brand img{height:40px;width:auto;border-radius:8px}
.links{display:flex;gap:26px;margin-left:auto}
.links a{text-decoration:none;color:var(--muted);font-weight:500;font-size:15px;transition:color .25s}
.links a:hover{color:var(--text)}
.links a[aria-current="page"]{color:var(--gold)}
@media(max-width:640px){.nav{gap:12px}.nav .btn-sm{display:none}.burger{margin-left:auto}}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;position:relative}
.burger span{position:absolute;left:13px;right:13px;height:2px;background:var(--text);transition:transform .35s var(--ease)}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.nav.open .burger span:first-child{transform:translateY(4px) rotate(45deg)}
.nav.open .burger span:last-child{transform:translateY(-4px) rotate(-45deg)}
@media(max-width:980px){
  .nav .btn{margin-left:auto}
  .burger{display:block}
  .links{position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;gap:0;margin:0;padding:10px;
    border-radius:22px;background:#080c24;border:1px solid var(--line);backdrop-filter:blur(16px);
    opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity .3s,transform .35s var(--ease)}
  .links a{padding:14px 16px;border-radius:14px;font-size:17px;color:var(--text)}
  .links a:hover{background:rgba(255,255,255,.05)}
  .nav.open .links{opacity:1;transform:none;pointer-events:auto}
}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(1200px 700px at 75% 40%,#101a5c 0%,transparent 60%),var(--night)}
#scene{position:absolute;top:0;left:0;width:100%;height:100svh}
.hero-shade{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(5,8,22,.85) 0%,rgba(5,8,22,.45) 36%,transparent 58%),
             linear-gradient(0deg,var(--night) 0%,transparent 22%)}
.hero-content{position:relative;z-index:2;max-width:640px;padding:140px 24px 120px max(24px,calc((100vw - var(--wrap))/2 + 24px))}
.lead{font-size:clamp(17px,1.5vw,19px);color:#C9D2EE;max-width:540px;margin:0 0 32px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.cta-row.center{justify-content:center}
.badge{display:inline-flex;align-items:center;gap:10px;margin-top:28px;padding:8px 14px;border-radius:999px;
  font-size:13.5px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.03)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
.scene-label{position:absolute;right:22px;bottom:18px;z-index:2;margin:0;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(154,166,200,.55)}
.scroll-hint{position:absolute;left:50%;bottom:26px;z-index:2;width:26px;height:42px;margin-left:-13px;border:1.5px solid var(--line);border-radius:14px}
.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--gold);animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@media(max-width:820px){
  .hero{align-items:flex-start;min-height:auto}
  #scene{bottom:auto;height:100svh}
  .hero-shade{bottom:auto;height:100svh;background:linear-gradient(0deg,rgba(5,8,22,1) 0%,rgba(5,8,22,.85) 44%,rgba(5,8,22,0) 60%)}
  .hero-content{padding:47svh 20px 70px}
  .hero h1{font-size:32px}
  .hero .lead{font-size:16px;margin-bottom:22px}
  .hero .cta-row .btn{padding:13px 18px;font-size:14.5px}
  .hero .badge{margin-top:16px}
  .scene-label{top:86px;bottom:auto}
  .scroll-hint{display:none}
}

/* Sections */
.section{position:relative;padding:130px 0}
.section-dark{background:linear-gradient(180deg,var(--night),var(--night-2) 50%,var(--night))}
@media(max-width:640px){.section{padding:90px 0}}

/* Cards with 3D tilt */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:48px;perspective:1000px}
@media(min-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{position:relative;padding:30px 26px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);
  transform-style:preserve-3d;transition:transform .5s var(--ease),border-color .4s;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(111,216,255,.16),transparent 45%)}
.card:hover{border-color:rgba(111,216,255,.35)}
.card:hover::before{opacity:1}
.card p{color:var(--muted);margin:0 0 18px}
.ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;
  background:linear-gradient(140deg,rgba(64,120,232,.35),rgba(29,35,157,.25));border:1px solid rgba(111,216,255,.25);transform:translateZ(30px)}
.ic svg{width:26px;height:26px;fill:none;stroke:var(--cyan);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card h3{transform:translateZ(20px)}
.more{font-weight:600;font-size:14.5px;color:var(--gold);text-decoration:none}
.more:hover{text-decoration:underline}
.tag{display:inline-block;vertical-align:middle;margin-left:6px;padding:3px 9px;border-radius:999px;font:600 11px/1.4 Inter;
  letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);border:1px solid rgba(111,216,255,.4)}
.card-soon{border-style:dashed}

/* Before / after */
.tabs{display:inline-flex;gap:6px;padding:5px;margin:10px 0 26px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.tab{padding:10px 20px;border-radius:999px;border:0;background:transparent;color:var(--muted);font:600 14px Inter;cursor:pointer;transition:.3s}
.tab.is-on{background:var(--royal);color:#fff;box-shadow:0 0 24px -4px rgba(64,120,232,.8)}
.compare{position:relative;aspect-ratio:1100/637;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 40px 120px -40px rgba(64,120,232,.55);--pos:50%;user-select:none;touch-action:pan-y}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.before-clip{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.handle{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:#fff;box-shadow:0 0 18px rgba(111,216,255,.9);pointer-events:none}
.handle span{position:absolute;top:50%;left:50%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;
  background:rgba(8,12,36,.7);border:2px solid #fff;backdrop-filter:blur(6px)}
.handle span::before,.handle span::after{content:"";position:absolute;top:50%;width:0;height:0;margin-top:-6px;border:6px solid transparent}
.handle span::before{left:6px;border-right-color:#fff}
.handle span::after{right:6px;border-left-color:#fff}
.range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.pill{position:absolute;top:16px;padding:6px 12px;border-radius:999px;font:600 12px Inter;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(5,8,22,.65);backdrop-filter:blur(6px);pointer-events:none}
.pill-l{left:16px}.pill-r{right:16px}

/* Steps + stats */
.steps{list-style:none;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;counter-reset:s}
.step{position:relative;padding:28px 26px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.035),transparent)}
.step p{color:var(--muted);margin:0}
.num{display:block;font:700 44px/1 "Space Grotesk";margin-bottom:14px;
  background:linear-gradient(180deg,var(--cyan),rgba(111,216,255,.15));-webkit-background-clip:text;background-clip:text;color:transparent}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:70px;text-align:center}
.stat strong{display:block;font:700 clamp(48px,6vw,72px)/1 "Space Grotesk";color:var(--gold)}
.stat span{color:var(--muted)}

/* CTA */
.section-cta{padding-top:40px}
.cta-box{text-align:center;padding:80px 28px;border-radius:30px;border:1px solid rgba(232,208,160,.25);
  background:radial-gradient(600px 300px at 50% 0%,rgba(64,120,232,.35),transparent 70%),var(--night-2)}
.cta-box h2{margin:0 auto .4em}
.cta-box p{color:var(--muted);margin:0 0 30px}
.cta-box .note{margin:24px 0 0;font-size:13px;opacity:.7}
.footer{padding:40px 24px 110px;text-align:center;color:var(--muted);font-size:13.5px;border-top:1px solid var(--line)}

/* Service pages */
.page-hero{position:relative;padding:150px 0 90px;overflow:hidden;
  background:radial-gradient(900px 500px at 80% 20%,#101a5c 0%,transparent 60%),var(--night)}
.grid-bg{position:absolute;inset:-40px;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(64,120,232,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(64,120,232,.25) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 70% 40%,#000 0%,transparent 70%);
  animation:gridmove 18s linear infinite}
@keyframes gridmove{to{transform:translate(56px,56px)}}
.page-hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.page-hero h1{font-size:clamp(36px,5vw,64px)}
.page-visual{margin:0;position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 40px 120px -40px rgba(64,120,232,.6)}
.page-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.page-visual figcaption{position:absolute;left:14px;bottom:14px;padding:6px 12px;border-radius:999px;font:600 11px Inter;
  letter-spacing:.12em;text-transform:uppercase;background:rgba(5,8,22,.7);backdrop-filter:blur(6px)}
.page-visual-scene svg{display:block;width:100%;height:auto;aspect-ratio:4/3}
.page-visual-icon{aspect-ratio:4/3;display:grid;place-items:center;background:linear-gradient(160deg,rgba(29,35,157,.35),rgba(5,8,22,.6))}
.page-visual-icon .ic{width:120px;height:120px;border-radius:32px;margin:0;position:relative;z-index:1}
.page-visual-icon .ic svg{width:60px;height:60px}
.orb{position:absolute;width:60%;aspect-ratio:1;border-radius:50%;filter:blur(40px);
  background:radial-gradient(circle,rgba(111,216,255,.55),rgba(232,208,160,.2) 60%,transparent 70%);animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translate(10%,-8%) scale(1.1)}}
@media(max-width:900px){.page-hero-inner{grid-template-columns:1fr}.page-hero{padding:120px 0 70px}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:30px}}
.who{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.who li{padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#C9D2EE;font-size:15px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.check-list li{position:relative;padding:18px 20px 18px 54px;border-radius:14px;border:1px solid var(--line);background:var(--glass)}
.check-list li::before{content:"";position:absolute;left:20px;top:50%;width:20px;height:20px;margin-top:-10px;border-radius:50%;
  background:radial-gradient(circle,var(--cyan) 30%,transparent 32%),rgba(111,216,255,.15);box-shadow:0 0 14px rgba(111,216,255,.5)}
@media(min-width:1000px){.cards.cards-3{grid-template-columns:repeat(3,1fr)}.cards.cards-3 .card{grid-column:auto}}
.benefit{text-align:center;max-width:860px}
.benefit-text{font:600 clamp(24px,3vw,36px)/1.3 "Space Grotesk",sans-serif;margin:0;
  background:linear-gradient(92deg,#fff,var(--gold) 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.faq{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;position:relative;font:600 18px "Space Grotesk",sans-serif}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:26px;color:var(--cyan);transition:transform .3s var(--ease)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item p{margin:0 0 22px;color:var(--muted)}
.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;margin-bottom:14px}
.foot-links a,.footer a{color:var(--muted);text-decoration:none}
.foot-links a:hover{color:var(--text)}
.mobile-bar{display:none}
@media(max-width:640px){
  .mobile-bar{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;position:fixed;left:10px;right:10px;bottom:10px;z-index:40;
    padding:8px;border-radius:999px;background:rgba(8,12,36,.85);border:1px solid var(--line);backdrop-filter:blur(14px)}
  .mobile-bar .btn{padding:13px 10px}
}

.portrait-visual{max-width:420px;justify-self:center}
.portrait-visual img{aspect-ratio:3/4;object-position:center 30%}
.prose-v2 p{color:#C9D2EE;font-size:17.5px;margin:0 0 18px}

.contact-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;text-align:left;align-items:start}
.contact-intro h2{margin:0 0 .4em}
@media(max-width:900px){.contact-box{grid-template-columns:1fr;gap:30px;padding:48px 20px}}
.devis-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.contact-box>*,.devis-form{min-width:0}
.field input,.field select,.field textarea{width:100%;max-width:100%}
.field-full{grid-column:1/-1}
@media(max-width:640px){.devis-form{grid-template-columns:1fr}}
.field label{font-size:13.5px;font-weight:600;color:#C9D2EE}
.field input,.field select,.field textarea{font:16px Inter,sans-serif;color:var(--text);background:rgba(5,8,22,.6);
  border:1px solid var(--line);border-radius:12px;padding:13px 14px;transition:border-color .25s,box-shadow .25s}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--cyan) 50%),linear-gradient(135deg,var(--cyan) 50%,transparent 50%);
  background-position:calc(100% - 20px) 55%,calc(100% - 14px) 55%;background-size:6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(111,216,255,.2)}
.field input:user-invalid,.field select:user-invalid{border-color:#ff6b7a}
.form-note{margin:0;font-size:13px;color:var(--muted)}
.form-note a{color:var(--gold)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.zone-cards{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
@media(min-width:1000px){.zone-cards{grid-template-columns:repeat(2,1fr)}.zone-cards .card{grid-column:auto}}
.zone-card .who{margin-top:14px}
.check-list a{color:var(--gold)}
.page-hero-sm{padding:140px 0 40px}
.legal-text{padding-top:30px}
.legal-text h2{font-size:24px;margin-top:40px}
.legal-text a{color:var(--gold)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);filter:blur(6px);transition:opacity 1s var(--ease),transform 1s var(--ease),filter 1s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  .dot,.scroll-hint span{animation:none}
}