@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@500;600;700&display=swap");

:root{
  --bg:#0B0F14;
  --surface:#121926;
  --border:#223045;
  --text:#E6EAF0;
  --muted:#AAB4C0;

  --cyan:#71B9C0;
  --teal:#2888A0;
  --gold:#E1B65A;
  --magenta:#CD5456;
  --violet:#592C62;

  --grad: linear-gradient(90deg, #71B9C0, #E1B65A, #CD5456, #592C62);
  --r:16px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.55;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
.container{
  width:min(1120px, 92vw);
  margin:0 auto;
}

/* Background ornaments */
.bg-grid{
  position:fixed; inset:0;
  background-image:
    linear-gradient(to right, rgba(34,48,69,.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34,48,69,.16) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 30% 10%, black 0%, black 30%, transparent 70%);
  opacity:.35;
  pointer-events:none;
}
.bg-glow{
  position:fixed;
  width:900px; height:900px;
  left:-220px; top:-220px;
  background: radial-gradient(circle, rgba(113,185,192,.25) 0%, rgba(113,185,192,.10) 22%, rgba(225,182,90,.08) 38%, transparent 70%);
  filter: blur(20px);
  pointer-events:none;
  opacity:.9;
}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(11,15,20,.65);
  border-bottom: 1px solid rgba(34,48,69,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}
.brand-logo{ height:34px; width:auto; display:block; }

.nav{
  display:flex; gap:18px; align-items:center;
  font-weight:500;
  color: rgba(230,234,240,.88);
}
.nav a{ opacity:.9; }
.nav a:hover{ opacity:1; }
.nav-pill{
  padding:10px 14px;
  border:1px solid rgba(40,136,160,.65);
  border-radius:999px;
}

/* Hero */
.hero{ padding: 56px 0 20px; position:relative; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items:stretch;
}
.pill{
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 12px;
  border: 1px solid rgba(34,48,69,.65);
  border-radius:999px;
  background: rgba(18,25,38,.55);
  color: rgba(230,234,240,.88);
  font-size: 13px;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  background: linear-gradient(90deg, var(--cyan), var(--gold), var(--magenta), var(--violet));
  box-shadow: 0 0 18px rgba(113,185,192,.35);
}
h1{
  font-family:Poppins, Inter, system-ui, sans-serif;
  font-weight:700;
  letter-spacing:-.02em;
  margin: 14px 0 10px;
  font-size: clamp(28px, 4vw, 44px);
}
.lead{
  margin:0;
  color: rgba(170,180,192,.95);
  font-size: 16.5px;
  max-width: 56ch;
}
.hero-actions{ display:flex; gap:12px; margin-top:18px; flex-wrap:wrap; }
.hero-tags{ display:flex; gap:10px; margin-top:16px; flex-wrap:wrap; }
.tag{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(34,48,69,.65);
  background: rgba(18,25,38,.45);
  color: rgba(230,234,240,.85);
  font-size: 13px;
}

/* Right visual card */
.hero-visual .visual-card{
  height:100%;
  border-radius: 22px;
  border: 1px solid rgba(34,48,69,.75);
  background:
    radial-gradient(circle at 20% 20%, rgba(113,185,192,.18), transparent 45%),
    radial-gradient(circle at 75% 35%, rgba(225,182,90,.10), transparent 55%),
    rgba(18,25,38,.60);
  box-shadow: 0 24px 90px rgba(0,0,0,.55);
  overflow:hidden;
  position:relative;
}
.visual-top{
  display:flex; gap:10px;
  padding: 14px 16px 0;
}
.mini{
  font-size:12px;
  color: rgba(170,180,192,.9);
  border: 1px solid rgba(34,48,69,.55);
  background: rgba(11,15,20,.25);
  padding: 6px 10px;
  border-radius:999px;
}
.wave{
  width:100%;
  height:auto;
  display:block;
  padding: 10px 16px 0;
}
.visual-bottom{
  display:flex;
  gap:12px;
  padding: 10px 16px 16px;
}
.stat{
  flex:1;
  border: 1px solid rgba(34,48,69,.55);
  background: rgba(11,15,20,.25);
  border-radius: 14px;
  padding: 12px;
}
.stat-k{ font-size:12px; color: rgba(170,180,192,.95); }
.stat-v{ margin-top:4px; font-weight:600; }

/* === HERO ART (waveform "cinématique") === */
/* IMPORTANT: fonctionne seulement si ton HTML a:
   <section class="hero hero--art">
     <div class="hero-art" aria-hidden="true"></div>
     <div class="container hero-grid">...
*/
.hero.hero--art{
  position:relative;
  overflow:hidden;
}

/* Image principale (ne s'applique qu'au DIV vide .hero-art) */
.hero.hero--art .hero-art{
  position:absolute;
  inset:-80px -120px -120px -120px;
  background-image:url("./hero-art.png"); /* dans assets/hero-art.png */
  background-size:cover;
  background-position:70% 35%;
  opacity:.40;
  filter:saturate(1.08) contrast(1.02) blur(0.2px);
  transform:scale(1.03);
  pointer-events:none;
  z-index:0;
}

/* Vignette sombre pour la lisibilité à gauche */
.hero.hero--art::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 18% 28%, rgba(11,15,20,.04) 0%, rgba(11,15,20,.90) 50%, rgba(11,15,20,.97) 72%),
    linear-gradient(90deg, rgba(11,15,20,.92) 0%, rgba(11,15,20,.72) 42%, rgba(11,15,20,.32) 68%, rgba(11,15,20,.16) 100%);
  pointer-events:none;
  z-index:1;
}

/* Grille très légère (optionnelle) */
.hero.hero--art::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(34,48,69,.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34,48,69,.16) 1px, transparent 1px);
  background-size:56px 56px;
  opacity:.10;
  pointer-events:none;
  z-index:2;
}

/* Met le contenu au-dessus des couches */
.hero.hero--art .container{
  position:relative;
  z-index:3;
}

/* Sections */
.section{ padding: 34px 0; }
.section-head h2{
  font-family:Poppins, Inter, system-ui, sans-serif;
  font-size: 26px;
  margin:0 0 6px;
}
.section-head p{
  margin:0 0 18px;
  color: rgba(170,180,192,.95);
  max-width: 70ch;
}

.cards-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  border:1px solid rgba(34,48,69,.65);
  background: rgba(18,25,38,.55);
  border-radius: var(--r);
  padding: 16px;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover{
  transform: translateY(-2px);
  border-color: rgba(40,136,160,.85);
}
.card h3{
  font-family:Poppins, Inter, system-ui, sans-serif;
  margin: 0 0 6px;
  font-size: 18px;
}
.card p{ margin:0 0 10px; color: rgba(170,180,192,.95); }
.card-link{ color: rgba(113,185,192,.95); font-weight:600; }

.card-strong{
  background:
    radial-gradient(circle at 20% 15%, rgba(113,185,192,.16), transparent 50%),
    rgba(18,25,38,.58);
}
.card-top{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:10px; }
.badge{
  font-size:12px;
  padding: 6px 10px;
  border-radius:999px;
  border:1px solid rgba(34,48,69,.65);
  color: rgba(230,234,240,.9);
  background: rgba(11,15,20,.25);
}
.badges-row{ display:flex; gap:8px; flex-wrap:wrap; margin: 10px 0 14px; }
.chip{
  font-size:12px;
  padding: 7px 10px;
  border-radius:999px;
  border:1px solid rgba(34,48,69,.65);
  background: rgba(11,15,20,.25);
  color: rgba(230,234,240,.88);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 11px 14px;
  border-radius: 12px;
  border:1px solid rgba(34,48,69,.65);
  font-weight:700;
}
.btn-primary{
  border: 0;
  background: var(--grad);
  color: #0B0F14;
  box-shadow: 0 12px 40px rgba(113,185,192,.15);
}
.btn-primary:hover{ filter: brightness(1.03); }
.btn-secondary{
  background: rgba(18,25,38,.45);
  border-color: rgba(40,136,160,.75);
}
.btn-secondary:hover{ border-color: rgba(113,185,192,.95); }
.btn-tertiary{
  width:fit-content;
  background: rgba(11,15,20,.25);
  border-color: rgba(34,48,69,.75);
}
.btn-tertiary:hover{ border-color: rgba(225,182,90,.75); }

.section-actions{ margin-top: 14px; }

/* Docs list */
.doc-list{ display:flex; flex-direction:column; gap: 10px; }
.doc-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 14px 14px;
  border-radius: 14px;
  border:1px solid rgba(34,48,69,.65);
  background: rgba(18,25,38,.45);
}
.doc-row:hover{ border-color: rgba(40,136,160,.85); }
.doc-title{ font-weight:700; }
.doc-meta{ color: rgba(170,180,192,.95); font-size: 13px; margin-top: 2px; }
.doc-right{ display:flex; align-items:center; gap: 10px; }
.doc-pill{
  font-size:12px;
  padding: 6px 10px;
  border-radius:999px;
  border:1px solid rgba(34,48,69,.65);
  background: rgba(11,15,20,.25);
}
.doc-cta{
  font-weight:800;
  background: rgba(11,15,20,.25);
  border: 1px solid rgba(34,48,69,.65);
  padding: 8px 12px;
  border-radius: 12px;
}

/* Two-col section */
.two-col{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px;
  align-items:start;
}
.lead2{ color: rgba(170,180,192,.95); margin: 0 0 14px; }
.divider{ height:1px; background: rgba(34,48,69,.55); margin: 14px 0; }
.muted{ color: rgba(170,180,192,.95); }
.small{ font-size: 13px; }

/* CTA */
.cta{
  display:flex;
  justify-content:space-between;
  gap: 14px;
  align-items:center;
  padding: 18px;
  border-radius: 22px;
  border:1px solid rgba(34,48,69,.75);
  background:
    radial-gradient(circle at 18% 30%, rgba(113,185,192,.16), transparent 55%),
    radial-gradient(circle at 70% 20%, rgba(205,84,86,.10), transparent 55%),
    rgba(18,25,38,.58);
}
.cta h2{ margin:0 0 6px; font-family:Poppins, Inter, system-ui, sans-serif; }
.cta p{ margin:0; color: rgba(170,180,192,.95); max-width: 70ch; }
.cta-actions{ display:flex; gap: 10px; flex-wrap:wrap; }

/* Footer */
.footer{
  padding: 28px 0 44px;
  border-top: 1px solid rgba(34,48,69,.45);
  background: rgba(11,15,20,.65);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
}
.footer-logo{ height:28px; width:auto; opacity:.95; }
.footer-links{ display:flex; gap: 14px; color: rgba(170,180,192,.95); }
.footer-links a:hover{ color: rgba(230,234,240,.95); }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; }
  .cards-3{ grid-template-columns: 1fr; }
  .nav{ display:none; }
}