:root{
  --red:#B22234;
  --red-dark:#8E1A29;
  --blue:#3C3B6E;
  --blue-light:#4A4A8A;
  --white:#FFFFFF;
  --offwhite:#F7F8FA;
  --ink:#1A1A2E;
  --gray:#6B7280;
  --line:#E3E6EC;
  --shadow:0 4px 18px rgba(60,59,110,.08);
  --shadow-lg:0 10px 34px rgba(60,59,110,.14);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--offwhite);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{line-height:1.2}

/* HERO */
.hero{
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-light) 100%);
  color:var(--white);
  padding:70px 0 64px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.flag-bar{
  height:6px;width:120px;margin:0 auto 28px;border-radius:6px;
  background:linear-gradient(90deg,var(--red) 0 33%,var(--white) 33% 66%,var(--blue-light) 66% 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.2);
}
.hero h1{font-size:clamp(34px,6vw,60px);font-weight:800;letter-spacing:-.02em}
.hero h1 span{color:#FFD9DE;display:inline-block}
.hero .sub{
  max-width:640px;margin:20px auto 32px;font-size:clamp(15px,2vw,18px);
  color:rgba(255,255,255,.92);font-weight:400;
}
.btn-primary{
  display:inline-block;background:var(--red);color:var(--white);
  font-size:16px;font-weight:700;letter-spacing:.01em;
  padding:15px 38px;border-radius:10px;text-decoration:none;border:none;cursor:pointer;
  box-shadow:0 6px 20px rgba(178,34,52,.35);transition:transform .15s,background .2s,box-shadow .2s;
}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 10px 26px rgba(178,34,52,.45)}

/* AD */
.ad-wrap{margin:28px auto;min-height:90px;text-align:center}

/* HOW */
.how{padding:56px 24px 16px}
.how h2,.form-section h2{
  text-align:center;font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--blue);margin-bottom:36px;
}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .num{
  width:42px;height:42px;border-radius:50%;background:var(--red);color:var(--white);
  font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card h3{font-size:19px;color:var(--blue);margin-bottom:8px}
.card p{font-size:14.5px;color:var(--gray)}

/* FORM */
.form-section{padding:56px 24px 40px}
.form-intro{text-align:center;max-width:620px;margin:-18px auto 36px;color:var(--gray);font-size:15px}
#buildForm{max-width:820px;margin:0 auto}
fieldset{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 28px;margin-bottom:22px;box-shadow:var(--shadow);
}
legend{
  font-weight:800;color:var(--blue);font-size:17px;padding:0 10px;
  background:var(--white);border:1px solid var(--line);border-radius:8px;margin-left:-4px;
}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.row{grid-template-columns:1fr}}
.field{margin-top:16px}
label{display:block;font-weight:600;font-size:14px;margin-bottom:7px;color:var(--ink)}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:var(--offwhite);border:1.5px solid var(--line);border-radius:10px;transition:border-color .15s,background .15s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--blue);background:var(--white);
}
textarea{resize:vertical}
input[type=file]{
  width:100%;padding:12px;background:var(--offwhite);border:1.5px dashed var(--line);border-radius:10px;font-size:14px;cursor:pointer;
}

/* checkboxes */
.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}
.chk{
  display:flex;align-items:center;gap:9px;font-weight:500;font-size:14px;color:var(--ink);
  background:var(--offwhite);border:1.5px solid var(--line);border-radius:9px;padding:11px 13px;cursor:pointer;transition:border-color .15s,background .15s;
}
.chk:hover{border-color:var(--blue)}
.chk input{width:17px;height:17px;accent-color:var(--red);cursor:pointer;flex-shrink:0}
.chk.req{background:#FFF4F5;border-color:#F3C9CE;margin-top:14px;font-weight:600}

/* image preview */
.preview{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.preview img{width:78px;height:78px;object-fit:cover;border-radius:8px;border:1.5px solid var(--line)}

/* legal */
.legal-fs{border-color:#F3C9CE}
.legal-box{
  max-height:240px;overflow-y:auto;background:var(--offwhite);border:1.5px solid var(--line);
  border-radius:10px;padding:18px 20px;margin-top:8px;font-size:12.5px;color:#4A4A5A;
}
.legal-box h4{color:var(--red);font-size:14px;margin-bottom:10px}
.legal-box p{margin-bottom:10px}
.legal-box strong{color:var(--ink)}

/* submit */
.btn-submit{width:100%;margin-top:8px;font-size:17px;padding:17px}
.submit-note{text-align:center;font-size:13px;color:var(--gray);margin-top:14px}
.form-error{
  background:#FFF4F5;border:1.5px solid var(--red);color:var(--red-dark);
  border-radius:10px;padding:13px 16px;font-size:14px;font-weight:600;margin-bottom:16px;
}

/* footer */
footer{background:var(--blue);color:var(--white);padding:40px 0;text-align:center;margin-top:40px}
.footer-brand{font-weight:800;font-size:18px;letter-spacing:.06em}
.footer-brand span{color:#FFD9DE}
.footer-line{font-size:14px;color:rgba(255,255,255,.85);margin-top:4px}
.footer-contact{font-size:13px;color:rgba(255,255,255,.7);margin-top:10px}
.footer-legal{font-size:11.5px;color:rgba(255,255,255,.55);margin-top:14px;max-width:680px;margin-left:auto;margin-right:auto;line-height:1.5}