:root{
  --bg:#f4f5f7;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#667085;
  --border:#d0d5dd;
  --accent:#111827;
  --wa:#25D366;
  --soft:#f8fafc;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:#1d4ed8}
.wrap{max-width:760px;margin:0 auto;padding:28px 18px 60px}
.topnav{
  display:flex;gap:14px;flex-wrap:wrap;justify-content:center;
  font-size:14px;margin-bottom:26px
}
.topnav a{color:#475467;text-decoration:none}
.hero{text-align:center;margin:12px 0 26px}
.hero h1{font-size:34px;margin:0 0 10px}
.hero p{font-size:17px;line-height:1.55;color:#475467;margin:0 auto;max-width:650px}
.card{
  background:var(--card);
  border-radius:16px;
  padding:26px;
  box-shadow:0 4px 20px rgba(0,0,0,.07);
  margin-bottom:18px
}
h1,h2,h3{line-height:1.2}
h2{margin-top:0}
p,li{line-height:1.6}
.muted,.small{color:var(--muted)}
.small{font-size:14px}
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-top:16px
}
.step{
  background:var(--soft);
  border:1px solid #e4e7ec;
  border-radius:12px;
  padding:14px;
  font-size:14px;
  line-height:1.45
}
.field{margin-bottom:20px}
label{display:block;font-weight:bold;margin-bottom:7px}
input[type="text"],input[type="tel"],input[type="email"]{
  width:100%;
  padding:13px;
  border:1px solid var(--border);
  border-radius:9px;
  font-size:16px;
  background:#fff
}
.interests{display:grid;gap:11px;margin-top:10px}
.check{display:flex;align-items:flex-start;gap:9px;font-weight:normal}
.check input{width:19px;height:19px;margin-top:1px}
.privacybox{
  background:#f9fafb;
  border:1px solid #e4e7ec;
  border-radius:12px;
  padding:14px;
  font-size:14px;
  line-height:1.5
}
.privacybox label{display:flex;align-items:flex-start;gap:9px;font-weight:normal;margin:0}
.privacybox input{width:18px;height:18px;margin-top:2px;flex:0 0 auto}
button,.button{
  display:block;width:100%;
  border:0;border-radius:10px;
  padding:15px;margin-top:20px;
  font-size:17px;font-weight:bold;
  cursor:pointer;text-align:center;text-decoration:none
}
button{background:var(--accent);color:#fff}
button:disabled{opacity:.6;cursor:default}
.whatsapp{background:var(--wa);color:#fff}
.notice{
  background:#fff8e7;
  border:1px solid #f0d58a;
  padding:15px;border-radius:12px;
  font-size:14px;line-height:1.55
}
.success{
  display:none;
  margin-top:20px;padding:18px;
  border-radius:12px;background:#ecfdf3;
  border:1px solid #abefc6
}
.footer{
  text-align:center;color:#667085;font-size:13px;
  margin-top:28px;line-height:1.7
}
.footer a{color:#475467}
.faq details{
  border-top:1px solid #e4e7ec;
  padding:16px 0
}
.faq details:first-child{border-top:0}
.faq summary{
  cursor:pointer;font-weight:bold;line-height:1.4
}
.faq details p{margin-bottom:0}
.tag{
  display:inline-block;background:#eef2ff;color:#3730a3;
  border-radius:999px;padding:5px 9px;font-size:12px;font-weight:bold
}
@media(max-width:600px){
  .hero h1{font-size:28px}
  .card{padding:20px}
  .steps{grid-template-columns:1fr}
}