:root{
  --bg:#0F0F1E; --surface:#1A1A2E; --surface-light:#252540; --card:#1E1E36;
  --primary:#7C3AED; --primary-light:#8B5CF6; --secondary:#3B82F6;
  --text:#FFFFFF; --text-2:#9CA3AF; --text-3:#8B93A7;
  --border:#2D2D4A; --online:#22C55E;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  line-height:1.6; overflow-x:hidden;
}
.container{max-width:1080px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
header{padding:20px 0;border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px;border-radius:12px}
.brand span{font-size:1.35rem;font-weight:800;letter-spacing:-.02em}
.brand span em{font-style:normal;background:linear-gradient(90deg,var(--primary-light),var(--secondary));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ---------- Hero ---------- */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:72px 0 56px}
.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);font-weight:800;line-height:1.15;letter-spacing:-.03em}
.hero h1 .grad{background:linear-gradient(90deg,var(--primary-light),var(--secondary));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{color:var(--text-2);font-size:1.08rem;margin:20px 0 26px;max-width:46ch}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{background:var(--surface);border:1px solid var(--border);color:var(--text-2);
  padding:7px 14px;border-radius:999px;font-size:.85rem;white-space:nowrap}
.chip b{color:var(--text);font-weight:600}
.cta{display:inline-flex;align-items:center;gap:12px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;text-decoration:none;font-weight:700;font-size:1.05rem;
  padding:16px 30px;border-radius:16px;
  box-shadow:0 10px 30px rgba(124,58,237,.35);
  transition:transform .15s ease,box-shadow .15s ease}
.cta:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(124,58,237,.45)}
.cta svg{width:22px;height:22px;flex:none}
.cta-note{display:block;margin-top:12px;color:var(--text-3);font-size:.85rem}

/* ---------- Mockup téléphone ---------- */
.phone-wrap{display:flex;justify-content:center;position:relative}
.phone-wrap::before{content:"";position:absolute;inset:6% 8%;border-radius:50%;
  background:radial-gradient(closest-side,rgba(124,58,237,.32),rgba(59,130,246,.12) 60%,transparent 75%);
  filter:blur(14px)}
.phone{position:relative;width:300px;border-radius:48px;padding:11px;
  background:linear-gradient(145deg,#32324a 0%,#14141f 30%,#0a0a12 70%,#232338 100%);
  box-shadow:
    0 30px 70px rgba(0,0,0,.6),
    0 6px 18px rgba(124,58,237,.18),
    inset 0 1px 1px rgba(255,255,255,.14),
    inset 0 -1px 1px rgba(0,0,0,.7)}
/* Boutons latéraux */
.phone::before{content:"";position:absolute;right:-2.5px;top:120px;width:3px;height:56px;
  border-radius:2px;background:linear-gradient(90deg,#3a3a52,#12121c)}
.phone::after{content:"";position:absolute;right:-2.5px;top:196px;width:3px;height:34px;
  border-radius:2px;background:linear-gradient(90deg,#3a3a52,#12121c)}
.phone .screen{position:relative;border-radius:38px;overflow:hidden;background:var(--bg);
  outline:2.5px solid #000}
/* Caméra punch-hole */
.phone .cam{position:absolute;top:11px;left:50%;transform:translateX(-50%);
  width:11px;height:11px;border-radius:50%;background:#000;z-index:3;
  box-shadow:inset 0 0 2px 1px #1c1c30,0 0 0 2.5px rgba(0,0,0,.35)}
.phone .cam::after{content:"";position:absolute;inset:3px 4px 4px 3px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#3450a0,#0a0a14 70%)}
/* Reflet d'écran */
.phone .screen::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:4;
  background:linear-gradient(115deg,rgba(255,255,255,.07) 0%,rgba(255,255,255,.02) 28%,transparent 34%)}
.phone img{display:block;width:100%;height:auto}

/* ---------- Fonctionnalités ---------- */
.features{padding:56px 0;border-top:1px solid var(--border)}
.features h2{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.features>.container>p{color:var(--text-2);margin-bottom:32px;max-width:62ch}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feat{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:24px;
  transition:border-color .15s ease}
.feat:hover{border-color:var(--primary)}
.feat .ico{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  font-size:1.3rem;border-radius:13px;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(124,58,237,.25),rgba(59,130,246,.25));
  border:1px solid var(--border)}
.feat h3{font-size:1.05rem;margin-bottom:6px}
.feat p{color:var(--text-2);font-size:.92rem}
.banner{margin-top:22px;background:linear-gradient(135deg,rgba(124,58,237,.16),rgba(59,130,246,.16));
  border:1px solid var(--border);border-radius:18px;padding:20px 24px;display:flex;gap:14px;align-items:center}
.banner .flag{font-size:1.6rem;flex:none}
.banner b{display:block;margin-bottom:2px}
.banner p{color:var(--text-2);font-size:.92rem}

/* ---------- Témoignages ---------- */
.reviews{padding:56px 0;border-top:1px solid var(--border)}
.reviews h2{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.reviews>.container>p{color:var(--text-2);margin-bottom:32px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:24px;
  display:flex;flex-direction:column;gap:14px}
.review .stars{color:#F59E0B;letter-spacing:2px;font-size:.9rem}
.review blockquote{color:var(--text-2);font-size:.95rem;font-style:normal;flex:1}
.review .who{display:flex;align-items:center;gap:12px}
.review .avatar{width:40px;height:40px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}
.review .who b{display:block;font-size:.92rem}
.review .who span{color:var(--text-3);font-size:.78rem}

/* ---------- Installation ---------- */
.install{padding:56px 0 72px;border-top:1px solid var(--border)}
.install h2{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.install>.container>p{color:var(--text-2);margin-bottom:32px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:24px}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:11px;font-weight:800;color:#fff;margin-bottom:14px;
  background:linear-gradient(135deg,var(--primary),var(--secondary))}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{color:var(--text-2);font-size:.9rem}

footer{border-top:1px solid var(--border);padding:26px 0;color:var(--text-3);font-size:.85rem}
footer .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:840px){
  .hero{grid-template-columns:1fr;gap:44px;padding:48px 0 40px;text-align:center}
  .hero p.lead{margin-inline:auto}
  .chips{justify-content:center}
  .steps{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .phone{width:min(270px,78vw)}
}