:root{
  --bg-0: #0A0F1A;
  --bg-1: #0F1626;
  --panel: #131C30;
  --panel-2: #182238;
  --line: rgba(154, 178, 214, 0.14);
  --line-strong: rgba(154, 178, 214, 0.28);
  --text-0: #EAF0FB;
  --text-1: #AEBBD4;
  --text-2: #7C8AAA;
  --amber: #FFB020;
  --amber-soft: rgba(255, 176, 32, 0.14);
  --cyan: #37D6C4;
  --cyan-soft: rgba(55, 214, 196, 0.14);
  --danger: #FF6B5E;

  --display: 'Chakra Petch', 'Inter', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1180px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before{
  content:"";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

.wrap{ max-width: var(--container); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; }

.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
.eyebrow.amber{ color: var(--amber); }
.eyebrow.amber::before{ background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }

h1,h2,h3,h4{ font-family: var(--display); font-weight: 600; letter-spacing: 0.005em; color: var(--text-0); }

/* ===== HEADER ===== */
header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,15,26,0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 28px; max-width: var(--container); margin: 0 auto;
}
.logo{
  display:flex; align-items:center; gap: 10px;
  font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: 0.02em;
}
.logo .mark{
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  display:flex; align-items:center; justify-content:center;
  color: #06111B; font-weight: 800; font-size: 14px;
}
.logo small{ display:block; font-family: var(--mono); font-weight:400; font-size: 10px; letter-spacing:0.12em; color: var(--text-2); text-transform:uppercase; }

nav.primary{ display:flex; align-items:center; gap: 30px; }
nav.primary a{
  font-size: 14px; color: var(--text-1); font-weight: 500;
  position: relative; padding: 6px 0; transition: color .2s ease;
}
nav.primary a:hover{ color: var(--text-0); }
nav.primary a:focus-visible{ outline: 2px solid var(--cyan); outline-offset: 4px; border-radius: 3px; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--body); font-weight: 600; font-size: 14px;
  padding: 11px 20px; border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary{ background: var(--amber); color: #1A1200; }
.btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 10px 24px -8px rgba(255,176,32,0.45); }
.btn-ghost{ border-color: var(--line-strong); color: var(--text-0); background: transparent; }
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); }
.btn:focus-visible{ outline: 2px solid var(--cyan); outline-offset: 2px; }

.menu-toggle{ display:none; background:none; border:none; color:var(--text-0); font-size: 22px; cursor:pointer; }

/* ===== HERO ===== */
.hero{
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-grid{
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items:center;
}
.hero h1{
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}
.hero h1 .accent{ color: var(--cyan); }
.hero p.lead{
  font-size: 17px; color: var(--text-1); max-width: 46ch; margin-bottom: 32px;
}
.hero-cta{ display:flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.hero-stats{ display:flex; gap: 34px; flex-wrap: wrap; }
.hero-stats .stat{ border-left: 2px solid var(--line-strong); padding-left: 14px; }
.hero-stats .stat b{ display:block; font-family: var(--display); font-size: 26px; color: var(--text-0); }
.hero-stats .stat span{ font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); }

/* Radar / signal map — signature element */
.radar-panel{
  position: relative;
  background: radial-gradient(circle at 30% 20%, #16223B, var(--panel) 70%);
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}
.radar-panel .hud-label{
  position:absolute; top: 16px; left: 18px;
  font-family: var(--mono); font-size: 10px; color: var(--cyan);
  letter-spacing: 0.12em; text-transform: uppercase;
}
.radar-panel .hud-label.br{ top:auto; bottom:16px; left:auto; right:18px; color: var(--text-2); text-align:right; }
.radar-svg{ width:100%; height:100%; display:block; }

.ring{ fill:none; stroke: var(--line-strong); stroke-width: 1; }
.sweep{
  transform-origin: 50% 50%;
  animation: spin 6s linear infinite;
}
.ping{ transform-origin: center; }
.ping circle{ animation: pulse 2.6s ease-out infinite; }
.ping.d1 circle{ animation-delay: 0s; }
.ping.d2 circle{ animation-delay: .8s; }
.ping.d3 circle{ animation-delay: 1.6s; }

@keyframes spin{ from{ transform: rotate(0deg);} to{ transform: rotate(360deg);} }
@keyframes pulse{
  0%{ r: 3; opacity: 0.9; }
  100%{ r: 30; opacity: 0; }
}

@media (prefers-reduced-motion: reduce){
  .sweep{ animation: none; }
  .ping circle{ animation: none; opacity: 0.55; }
}

/* ===== SECTION shared ===== */
section{ padding: 88px 0; position: relative; }
.section-head{ max-width: 640px; margin-bottom: 52px; }
.section-head h2{ font-size: clamp(26px, 3vw, 36px); margin-bottom: 14px; }
.section-head p{ color: var(--text-1); font-size: 16px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.divider{ height:1px; background: var(--line); border:none; }

/* ===== SERVICES (hero pillars) ===== */
.pillars{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pillar{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: border-color .2s ease, transform .2s ease;
}
.pillar:hover{ border-color: var(--line-strong); transform: translateY(-3px); }
.pillar .icon{
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--cyan-soft); color: var(--cyan);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 18px;
}
.pillar h3{ font-size: 18px; margin-bottom: 10px; }
.pillar p{ color: var(--text-1); font-size: 14.5px; }
.pillar .tag{ font-family: var(--mono); font-size: 10px; color: var(--text-2); letter-spacing: 0.1em; margin-bottom: 10px; display:block; }

/* ===== ABOUT ===== */
.about{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items:start; }
.about-copy p{ color: var(--text-1); margin-bottom: 18px; font-size: 15.5px; }
.about-copy p:first-of-type{ color: var(--text-0); font-size: 17px; }
.about-facts{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fact{
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 18px 18px; background: var(--panel);
}
.fact b{ display:block; font-family: var(--display); font-size: 22px; color: var(--amber); margin-bottom: 4px; }
.fact span{ font-size: 13px; color: var(--text-2); }

/* ===== SOLUTIONS grid ===== */
.solutions{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.solution{
  background: var(--bg-1);
  padding: 34px 28px;
  position: relative;
}
.solution .sig{
  font-family: var(--mono); font-size: 11px; color: var(--text-2);
  letter-spacing: 0.1em; margin-bottom: 16px; display:block;
}
.solution h3{ font-size: 17px; margin-bottom: 10px; }
.solution p{ color: var(--text-1); font-size: 14px; }

/* ===== CAS D'USAGE SLIDER ===== */
.cases{ background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.slider{
  position: relative;
  max-width: 100%;
}
.slider-track-wrap{
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
}
.slider-track{
  display:flex;
  transition: transform .5s cubic-bezier(.65,0,.35,1);
}
.slide{
  min-width: 100%;
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  background: var(--panel);
}
.slide-visual{
  position: relative;
  min-height: 340px;
  background: radial-gradient(circle at 20% 15%, var(--panel-2), var(--bg-0) 75%);
  display:flex; align-items:center; justify-content:center;
  border-right: 1px solid var(--line);
  overflow: hidden;
}
.slide-visual svg{ width: 78%; height: 78%; }
.slide-visual .coord{
  position:absolute; bottom: 16px; left: 18px;
  font-family: var(--mono); font-size: 10px; color: var(--text-2); letter-spacing: 0.08em;
}
.slide-body{
  padding: 40px 40px;
  display:flex; flex-direction:column; justify-content:center;
}
.slide-body .case-tag{
  font-family: var(--mono); font-size: 11px; color: var(--amber);
  letter-spacing: 0.1em; text-transform:uppercase; margin-bottom: 14px; display:block;
}
.slide-body h3{ font-size: 22px; margin-bottom: 14px; }
.slide-body p{ color: var(--text-1); font-size: 15px; margin-bottom: 22px; }
.slide-metrics{ display:flex; gap: 26px; flex-wrap:wrap; }
.slide-metrics div b{ display:block; font-family: var(--display); font-size: 21px; color: var(--cyan); }
.slide-metrics div span{ font-family: var(--mono); font-size: 10.5px; color: var(--text-2); letter-spacing: 0.06em; text-transform:uppercase; }

.slider-controls{
  display:flex; align-items:center; justify-content:space-between;
  margin-top: 22px;
}
.slider-dots{ display:flex; gap: 8px; }
.slider-dots button{
  width: 26px; height: 4px; border-radius: 2px; border:none;
  background: var(--line-strong); cursor:pointer; padding:0;
  transition: background .2s ease, width .2s ease;
}
.slider-dots button.active{ background: var(--cyan); width: 40px; }
.slider-arrows{ display:flex; gap: 10px; }
.arrow-btn{
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: transparent; color: var(--text-0);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  transition: border-color .2s ease, color .2s ease;
}
.arrow-btn:hover{ border-color: var(--cyan); color: var(--cyan); }
.arrow-btn:focus-visible{ outline: 2px solid var(--cyan); outline-offset: 2px; }

@media (max-width: 780px){
  .slide{ grid-template-columns: 1fr; }
  .slide-visual{ min-height: 220px; border-right:none; border-bottom: 1px solid var(--line); }
  .slide-body{ padding: 30px 26px; }
}

/* ===== PROXIMITY / clients-partners ===== */
.proximity{
  display:grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items:center;
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 52px;
}
.proximity h2{ font-size: clamp(24px,2.6vw,32px); margin-bottom: 16px; }
.proximity p{ color: var(--text-1); margin-bottom: 26px; font-size: 15.5px; }
.proximity-actions{ display:flex; gap: 14px; flex-wrap: wrap; }

.signal-lines{ display:flex; flex-direction: column; gap: 14px; }
.signal-line{ display:flex; align-items:center; gap: 14px; font-family: var(--mono); font-size: 13px; color: var(--text-1); }
.signal-line .bar{ flex:1; height: 6px; border-radius: 3px; background: var(--bg-1); overflow:hidden; }
.signal-line .bar i{ display:block; height:100%; background: linear-gradient(90deg, var(--cyan), var(--amber)); border-radius: 3px; }

/* ===== CONTACT ===== */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-card{
  background: var(--panel); border:1px solid var(--line); border-radius: var(--radius);
  padding: 34px;
}
.contact-row{ display:flex; align-items:flex-start; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child{ border-bottom:none; }
.contact-row .ico{ width: 34px; height:34px; border-radius:8px; background: var(--amber-soft); color:var(--amber); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-row b{ display:block; font-size: 14px; color: var(--text-0); }
.contact-row span{ font-size: 13.5px; color: var(--text-2); font-family: var(--mono); }

form.quote{ display:flex; flex-direction:column; gap: 14px; }
form.quote input, form.quote select, form.quote textarea{
  width:100%; background: var(--bg-1); border: 1px solid var(--line-strong); color: var(--text-0);
  padding: 13px 14px; border-radius: var(--radius-sm); font-family: var(--body); font-size: 14px;
}
form.quote input::placeholder, form.quote textarea::placeholder{ color: var(--text-2); }
form.quote label{ font-family: var(--mono); font-size: 11px; letter-spacing:0.08em; text-transform:uppercase; color: var(--text-2); margin-bottom: -6px; }
form.quote input:focus, form.quote select:focus, form.quote textarea:focus{ outline:none; border-color: var(--cyan); }
form.quote button{ margin-top: 6px; align-self: flex-start; }

/* ===== FOOTER ===== */
footer{ border-top: 1px solid var(--line); padding: 44px 0 30px; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 18px; }
.footer-inner p{ color: var(--text-2); font-size: 13px; font-family: var(--mono); }
.footer-social{ display:flex; gap: 16px; }
.footer-social a{ color: var(--text-1); font-size: 13px; }
.footer-social a:hover{ color: var(--cyan); }

/* ===== RESPONSIVE ===== */
@media (max-width: 940px){
  nav.primary{ display:none; }
  .menu-toggle{ display:block; }
  .hero-grid{ grid-template-columns: 1fr; }
  .radar-panel{ margin-top: 20px; }
  .pillars{ grid-template-columns: 1fr; }
  .about{ grid-template-columns: 1fr; }
  .solutions{ grid-template-columns: 1fr; }
  .proximity{ grid-template-columns: 1fr; padding: 34px; }
  .contact-grid{ grid-template-columns: 1fr; }
  .hero-stats{ gap: 22px; }
}