/* Style léger, professionnel */
:root{
  --bg: #f6f8fa;
  --card: #ffffff;
  --accent: #0a66c2;
  --text: #0f1720;
  --muted: #6b7280;
  --radius: 12px;
  --maxw: 720px;
  font-synthesis: none;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px}
.card{width:100%;max-width:var(--maxw);background:var(--card);border-radius:var(--radius);box-shadow:0 10px 30px rgba(15,23,32,0.08);padding:48px;display:flex;flex-direction:column;align-items:center;text-align:center}
.brand h1{margin:0;font-size:28px;letter-spacing:0.4px;color:var(--text)}
.brand .tag{margin-top:6px;color:var(--muted);font-size:13px}
.headline{font-size:20px;margin:20px 0 8px}
.lead{color:var(--muted);max-width:640px;margin:0 0 18px}
#countdown{font-weight:600;font-size:20px;background:linear-gradient(90deg, rgba(10,102,194,0.08), rgba(10,102,194,0.04));padding:12px 18px;border-radius:10px;margin-bottom:18px;display:inline-block}
form{display:flex;gap:8px;width:100%;max-width:520px;justify-content:center;margin-bottom:12px}
input[type="email"]{flex:1;padding:12px 14px;border:1px solid #e6e9ee;border-radius:8px;font-size:14px}
button{padding:12px 18px;background:var(--accent);color:white;border:none;border-radius:8px;font-weight:600;cursor:pointer}
button:hover{filter:brightness(0.95)}
.contact{color:var(--muted);font-size:13px;margin-top:6px}
.footer{margin-top:18px;color:var(--muted);font-size:13px}
@media (max-width:520px){
  .card{padding:28px}
  form{flex-direction:column}
  button{width:100%}
}