:root{
  --ink:#14181C;
  --ink-soft:#1C2228;
  --steel:#2E5C8A;
  --steel-light:#5C8FC4;
  --copper:#C97C3D;
  --copper-light:#E8A468;
  --paper:#EEF0F2;
  --slate:#889199;
  --line:rgba(238,240,242,0.12);
  --font-display:'Archivo',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none;}

img,svg{display:block;max-width:100%;}

::selection{background:var(--copper);color:var(--ink);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

.circuit-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--copper),var(--copper-light));
  z-index:1000;transition:width 0.1s linear;
}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(20,24,28,0.7);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background 0.3s,border-color 0.3s;
}

.header-inner{
  max-width:1280px;margin:0 auto;padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}

.brand{display:flex;align-items:baseline;gap:12px;}

.brand-mark{
  font-family:var(--font-display);font-weight:800;font-stretch:expanded;font-size:1.4rem;
  color:var(--copper);letter-spacing:0.02em;
}

.brand-full{
  font-family:var(--font-mono);font-size:0.68rem;letter-spacing:0.08em;
  color:var(--slate);text-transform:uppercase;
}

.main-nav{display:flex;gap:36px;flex:1;justify-content:center;}

.main-nav a{
  font-size:0.92rem;font-weight:500;color:var(--paper);
  position:relative;padding:6px 0;
}

.main-nav a::after{
  content:'';position:absolute;bottom:0;left:0;width:0;height:1px;
  background:var(--copper);transition:width 0.25s ease;
}

.main-nav a:hover::after{width:100%;}

.nav-cta{
  font-size:0.88rem;font-weight:600;padding:11px 22px;
  background:var(--copper);color:var(--ink);border-radius:2px;
  transition:background 0.2s;white-space:nowrap;
}

.nav-cta:hover{background:var(--copper-light);}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:32px;height:32px;background:none;border:none;cursor:pointer;
}

.nav-toggle span{width:100%;height:2px;background:var(--paper);}

.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:140px 32px 80px;overflow:hidden;
}

.hero-circuit{
  position:absolute;inset:0;width:100%;height:100%;
  opacity:0.9;
}

.circuit-lines line{
  stroke:var(--steel-light);stroke-width:1.8;fill:none;
  stroke-dasharray:6 10;opacity:0.7;
}

.circuit-nodes circle{
  fill:var(--copper-light);opacity:0.35;
}

.circuit-nodes circle.lit{
  animation:nodePulse 2.6s ease-in-out infinite;
}

@keyframes nodePulse{
  0%,100%{opacity:0.15;r:3;}
  50%{opacity:1;r:5;}
}

.hero-content{position:relative;z-index:2;max-width:760px;}

.hero-eyebrow{
  font-family:var(--font-mono);font-size:0.78rem;letter-spacing:0.12em;
  color:var(--copper-light);text-transform:uppercase;margin-bottom:24px;
}

.hero-title{
  font-family:var(--font-display);font-weight:800;font-stretch:expanded;
  font-size:clamp(2.4rem,5.5vw,4.2rem);line-height:1.08;
  letter-spacing:-0.01em;margin-bottom:28px;
}

.hero-title .accent{color:var(--copper);}

.hero-sub{
  font-size:1.1rem;color:var(--slate);max-width:540px;margin-bottom:40px;
}

.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:15px 30px;font-size:0.95rem;font-weight:600;border-radius:2px;
  transition:all 0.2s ease;cursor:pointer;border:1px solid transparent;
}

.btn-primary{background:var(--copper);color:var(--ink);}
.btn-primary:hover{background:var(--copper-light);transform:translateY(-1px);}

.btn-ghost{border-color:var(--line);color:var(--paper);}
.btn-ghost:hover{border-color:var(--steel-light);background:rgba(92,143,196,0.08);}

.btn-block{width:100%;}

.hero-stats{
  display:flex;gap:48px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:28px;
}

.hero-stats dt{
  font-family:var(--font-mono);font-size:0.68rem;letter-spacing:0.06em;
  color:var(--slate);text-transform:uppercase;margin-bottom:6px;
}

.hero-stats dd{font-size:1.05rem;font-weight:600;}

.band{
  background:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;overflow:hidden;
}

.band-track{
  display:flex;gap:28px;white-space:nowrap;width:max-content;
  font-family:var(--font-mono);font-size:0.82rem;letter-spacing:0.1em;
  color:var(--slate);animation:scrollBand 32s linear infinite;
}

.band-track span:nth-child(odd){color:var(--copper-light);}

@keyframes scrollBand{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}

.section{padding:120px 32px;}

.section-inner{max-width:1280px;margin:0 auto;}

.section-eyebrow{
  font-family:var(--font-mono);font-size:0.78rem;letter-spacing:0.12em;
  color:var(--copper-light);text-transform:uppercase;margin-bottom:18px;
}

.section-title{
  font-family:var(--font-display);font-weight:800;font-stretch:expanded;
  font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.16;margin-bottom:24px;
}

.section-lede{color:var(--slate);max-width:620px;font-size:1.05rem;margin-bottom:64px;}

.cat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}

.cat-card{
  background:var(--ink);padding:40px 28px;
  transition:background 0.25s ease;
}

.cat-card:hover{background:var(--ink-soft);}

.cat-icon{width:40px;height:40px;margin-bottom:28px;position:relative;}

.cat-icon::before,.cat-icon::after{
  content:'';position:absolute;border:1.6px solid var(--copper);
}

.cat-icon[data-icon="cable"]::before{
  width:40px;height:14px;border-radius:8px;top:13px;left:0;
}
.cat-icon[data-icon="cable"]::after{
  width:8px;height:8px;border-radius:50%;background:var(--copper);border:none;
  top:16px;left:16px;
}

.cat-icon[data-icon="panel"]::before{
  width:28px;height:36px;top:2px;left:6px;
}
.cat-icon[data-icon="panel"]::after{
  width:14px;height:1.6px;background:var(--copper);border:none;
  top:14px;left:13px;box-shadow:0 8px 0 var(--copper),0 16px 0 var(--copper);
}

.cat-icon[data-icon="bulb"]::before{
  width:24px;height:24px;border-radius:50% 50% 50% 4px;top:0;left:8px;
}
.cat-icon[data-icon="bulb"]::after{
  width:14px;height:1.6px;background:var(--copper);border:none;top:30px;left:13px;
}

.cat-icon[data-icon="tool"]::before{
  width:30px;height:8px;border-radius:2px;top:16px;left:5px;transform:rotate(45deg);
}
.cat-icon[data-icon="tool"]::after{
  width:30px;height:8px;border-radius:2px;top:16px;left:5px;transform:rotate(-45deg);
}

.cat-card h3{font-family:var(--font-display);font-weight:700;font-stretch:expanded;font-size:1.15rem;margin-bottom:14px;}

.cat-card p{color:var(--slate);font-size:0.92rem;margin-bottom:24px;}

.cat-ref{font-family:var(--font-mono);font-size:0.72rem;color:var(--steel-light);letter-spacing:0.06em;}

.secteurs-grid{border-top:1px solid var(--line);}

.secteur-row{
  display:flex;align-items:baseline;gap:40px;
  padding:32px 0;border-bottom:1px solid var(--line);
}

.secteur-num{
  font-family:var(--font-mono);font-weight:500;font-size:0.95rem;
  color:var(--copper);min-width:64px;letter-spacing:0.06em;
}

.secteur-row p{font-size:1.1rem;max-width:680px;}

.entreprise-grid{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:80px;align-items:start;
}

.entreprise-text p{color:var(--slate);margin-bottom:20px;font-size:1.02rem;}

.entreprise-text strong{color:var(--paper);}

.kbis-card{
  background:var(--ink-soft);border:1px solid var(--line);border-radius:4px;
  padding:32px;position:relative;
}

.kbis-card::before{
  content:'';position:absolute;top:0;left:0;width:3px;height:100%;
  background:linear-gradient(180deg,var(--copper),var(--steel));
}

.kbis-head{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line);
}

.kbis-tag{font-family:var(--font-display);font-weight:700;font-stretch:expanded;font-size:1rem;}

.kbis-date{font-family:var(--font-mono);font-size:0.7rem;color:var(--slate);}

.kbis-list div{
  display:flex;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:0.88rem;
}

.kbis-list div:last-child{border-bottom:none;}

.kbis-list dt{color:var(--slate);flex-shrink:0;}

.kbis-list dd{text-align:right;font-weight:500;}

.kbis-foot{
  margin-top:20px;font-family:var(--font-mono);font-size:0.68rem;
  color:var(--slate);letter-spacing:0.03em;
}

.contact-grid{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:80px;
}

.contact-text p{color:var(--slate);margin-bottom:36px;font-size:1.02rem;}

.contact-info{list-style:none;display:flex;flex-direction:column;gap:16px;}

.contact-info li{display:flex;gap:16px;font-size:0.95rem;}

.contact-info span{
  font-family:var(--font-mono);font-size:0.7rem;color:var(--copper-light);
  text-transform:uppercase;letter-spacing:0.06em;min-width:80px;padding-top:2px;
}

.devis-form{
  background:var(--ink-soft);border:1px solid var(--line);border-radius:4px;padding:40px;
}

.form-row{margin-bottom:22px;}

.form-row label{
  display:block;font-size:0.82rem;font-weight:600;margin-bottom:8px;color:var(--slate);
}

.form-row input,.form-row select,.form-row textarea{
  width:100%;background:var(--ink);border:1px solid var(--line);border-radius:2px;
  padding:13px 14px;color:var(--paper);font-family:var(--font-body);font-size:0.95rem;
  transition:border-color 0.2s;
}

.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--copper);
}

.form-row textarea{resize:vertical;}

.form-status{
  margin-top:16px;font-size:0.88rem;color:var(--copper-light);min-height:1.2em;
}

.site-footer{
  border-top:1px solid var(--line);padding:80px 32px 32px;
}

.footer-inner{
  max-width:1280px;margin:0 auto;
  display:grid;grid-template-columns:1.2fr 2fr;gap:60px;margin-bottom:60px;
}

.footer-brand p{color:var(--slate);font-size:0.88rem;margin-top:16px;max-width:320px;}

.footer-cols{display:flex;gap:60px;}

.footer-cols h4{
  font-size:0.78rem;text-transform:uppercase;letter-spacing:0.08em;
  color:var(--slate);margin-bottom:18px;
}

.footer-cols div{display:flex;flex-direction:column;gap:12px;}

.footer-cols a{font-size:0.92rem;color:var(--paper);}
.footer-cols a:hover{color:var(--copper-light);}

.footer-bottom{
  max-width:1280px;margin:0 auto;padding-top:32px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;font-size:0.8rem;color:var(--slate);
  flex-wrap:wrap;gap:12px;
}

[data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity 0.7s ease,transform 0.7s ease;
}

[data-reveal].is-visible{opacity:1;transform:translateY(0);}

@media (max-width:980px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .cat-grid{grid-template-columns:1fr 1fr;}
  .entreprise-grid,.contact-grid{grid-template-columns:1fr;gap:48px;}
  .footer-inner{grid-template-columns:1fr;}
}

@media (max-width:640px){
  .section{padding:80px 24px;}
  .hero{padding:120px 24px 60px;}
  .cat-grid{grid-template-columns:1fr;}
  .footer-cols{flex-direction:column;gap:32px;}
  .secteur-row{flex-direction:column;gap:8px;}
}