:root {
  --bg:#0b1220;
  --section:#0f172a;
  --card:#1e293b;
  --accent:#38bdf8;
  --text:#e2e8f0;
  --muted:#94a3b8;
}

* { box-sizing:border-box; }

html,body {
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6;
}

a { color:var(--accent); text-decoration:none; }

.container { max-width:1140px; margin:0 auto; padding:0 24px; }

/* Header */
.site-header {
  position:sticky; top:0;
  background:rgba(15,23,42,.9);
  backdrop-filter:saturate(150%) blur(6px);
  z-index:50;
  border-bottom:1px solid #0b1220;
}
.nav { display:flex; align-items:center; justify-content:space-between; height:64px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:700; color:var(--text); }

.menu { display:flex; gap:18px; }
.menu a { padding:10px 12px; border-radius:8px; color:var(--text); }
.menu a.active, .menu a:hover { background:rgba(56,189,248,.12); }
#install-app{ display:none; }

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

/* Hero */
.hero {
  background:linear-gradient(180deg,rgba(56,189,248,.06),transparent), var(--bg);
  padding:64px 0;
  border-bottom:1px solid #0b1220;
}
.hero-inner { display:grid; grid-template-columns:1.2fr .8fr; gap:32px; align-items:center; }
.hero h1 { font-size:40px; line-height:1.2; margin:0 0 10px; }
.hero p { color:var(--muted); margin:0 0 22px; }
.cta { display:flex; gap:12px; }

/* Boutons */
.btn {
  display:inline-block;
  padding:12px 18px;
  border-radius:10px;
  border:1px solid rgba(56,189,248,.4);
}
.btn.primary {
  background:var(--accent);
  color:#00111a;
  border-color:var(--accent);
  font-weight:600;
}
.btn.ghost { color:var(--text); }

/* Hero art */
.hero-art .chip {
  width:100%;
  height:240px;
  background:linear-gradient(135deg,rgba(56,189,248,.25),transparent);
  border:1px dashed rgba(56,189,248,.4);
  border-radius:18px;
}

/* Sections */
.section { padding:56px 0; background:var(--bg); }
.section-title { font-size:32px; margin:0 0 24px; }

/* Grilles */
.grid4 { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }

/* Cards */
.card {
  background:var(--card);
  border:1px solid #1b2636;
  border-radius:14px;
  padding:18px;
}
.price-tag { font-size:24px; font-weight:700; color:var(--accent); }
.note { color:var(--muted); margin-top:14px; }
.center { text-align:center; margin-top:16px; }

/* Contact */
.contact { display:grid; grid-template-columns:1.2fr .8fr; gap:20px; }
form label { display:block; margin-bottom:12px; }
input, textarea {
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid #203043;
  background:#0b1422;
  color:var(--text);
}
.consent { display:flex; align-items:flex-start; gap:10px; margin-top:10px; }
.consent input[type="checkbox"] { margin-top:4px; }
.form-msg { margin-top:10px; color:var(--muted); }

/* Footer */
.site-footer {
  margin-top:40px;
  background:var(--section);
  border-top:1px solid #0b1220;
  padding:28px 0;
}
.foot { display:flex; flex-direction:column; gap:16px; }
.foot-columns { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.foot h4 { margin:0 0 8px; }
.legal, .copy { color:var(--muted); font-size:14px; margin:0; }

/* Responsive */
@media (max-width:900px){
  .hero-inner{ grid-template-columns:1fr; }
  .grid4{ grid-template-columns:repeat(2,1fr); }
  .grid3{ grid-template-columns:repeat(2,1fr); }
  .contact{ grid-template-columns:1fr; }
  .menu{
    display:none; position:absolute; top:64px; right:12px;
    background:var(--section); padding:12px; border:1px solid #0b1220;
    border-radius:10px; flex-direction:column;
  }
  .burger{ display:block; }
  .menu.open{ display:flex; }
}
@media (max-width:560px){
  .grid4, .grid3{ grid-template-columns:1fr; }
}

/* Bouton WhatsApp flottant */
.wa-float{
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366; /* vert WhatsApp */
  box-shadow: 0 10px 20px rgba(0,0,0,.25);
  display: grid;
  place-items: center;
  z-index: 60;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
}
.wa-float:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(0,0,0,.28);
  background: #1ec95d;
}
.wa-float svg{
  width: 28px;
  height: 28px;
  fill: #0b1220; /* contraste avec ton fond sombre */
}
@media (max-width: 420px){
  .wa-float{ right: 14px; bottom: 14px; width: 52px; height: 52px; }
}
/* Promo card (remplace l'ancien rectangle) */
.promo-card{
  background: linear-gradient(135deg, rgba(56,189,248,.08), transparent);
  border:1px dashed rgba(56,189,248,.35);
  border-radius:18px;
  padding:18px;
}
.promo-card h3{ margin:0 0 6px; }
.promo-card p{ margin:0 0 12px; color:var(--muted); }
.promo-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.promo-card .note{ display:block; margin-top:8px; }

/* Flèches gauche/droite */
.hero-arrows{
  margin-top:12px;
  display:flex;
  justify-content:flex-end;
  gap:10px;
}
.arrow{
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid rgba(56,189,248,.35);
  border-radius:10px;
  color:var(--text);
  background:var(--card);
  text-decoration:none;
  transition:transform .12s ease, background .15s ease, border-color .15s ease;
}
.arrow:hover{
  transform: translateY(-1px);
  background: rgba(56,189,248,.10);
  border-color: rgba(56,189,248,.55);
}

/* Carte "À venir" */
.card.soon{ position:relative; overflow:hidden; }
.card .badge{
  display:inline-block; font-size:12px; padding:2px 8px; border-radius:999px;
  background:rgba(56,189,248,.18); border:1px solid rgba(56,189,248,.45); margin-left:6px;
}