:root{
  --navy:#020617;
  --navy2:#0f172a;
  --blue:#0ea5e9;
  --blue2:#38bdf8;
  --text:#1e293b;
  --muted:#64748b;
  --border:#e2e8f0;
  --bg:#f8fafc;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none}
.site-nav{background:#fff;padding:12px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);box-shadow:0 2px 10px rgba(15,23,42,.05);position:sticky;top:0;z-index:1000}
.site-logo{height:55px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--navy2);font-size:14px;font-weight:600}
.nav-links a:hover{color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;color:var(--navy2);font-size:28px;cursor:pointer;padding:4px 8px}
.hero{background:radial-gradient(circle at 80% 20%,rgba(14,165,233,.15),transparent 30%),linear-gradient(135deg,var(--navy),var(--navy2),#172554);color:#fff;padding:70px 20px}
.hero-inner{width:90%;max-width:1000px;margin:auto;text-align:center}
.badge{display:inline-block;padding:8px 16px;border:1px solid rgba(255,255,255,.25);border-radius:30px;color:#e0f2fe;background:rgba(255,255,255,.04);font-size:13px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.15;margin-bottom:15px}
.hero h1 span{color:var(--blue2)}
.hero p{color:#cbd5e1;max-width:760px;margin:auto;font-size:17px}
.form-section{padding:60px 20px}
.form-shell{max-width:1050px;margin:auto;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 10px 30px rgba(15,23,42,.06);padding:38px}
.form-intro{margin-bottom:28px}
.form-intro h2{color:var(--navy2);font-size:26px;margin-bottom:7px}
.form-intro p{color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
label{font-size:14px;font-weight:650;color:#334155}
.required{color:#e11d48}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:7px;font-family:inherit;font-size:14px;outline:none;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(14,165,233,.1)}
textarea{min-height:120px;resize:vertical}
.section-divider{grid-column:1/-1;border-top:1px solid var(--border);padding-top:22px;margin-top:8px}
.section-divider h3{font-size:19px;color:var(--navy2);margin-bottom:4px}
.section-divider p{font-size:13px;color:var(--muted)}
.conditional{display:none;grid-column:1/-1;background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:20px}
.conditional.show{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.actions{grid-column:1/-1;margin-top:5px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.submit-btn{border:0;border-radius:7px;padding:14px 25px;background:var(--navy2);color:#fff;font-size:15px;font-weight:650;cursor:pointer}
.submit-btn:hover{background:var(--blue)}
.submit-btn:disabled{opacity:.65;cursor:not-allowed}
.back-link{color:var(--blue);font-weight:600}
.status{display:none;grid-column:1/-1;padding:13px 15px;border-radius:8px;font-size:14px}
.status.show{display:block}
.status.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.status.error{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}
.helper{font-size:12px;color:var(--muted)}
footer{background:var(--navy);color:#94a3b8;text-align:center;padding:25px 20px;font-size:14px}
footer strong{color:#fff}
@media(max-width:720px){
  .site-nav{padding:10px 18px}
  .site-logo{height:48px}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;padding:14px 20px;border-bottom:1px solid var(--border);box-shadow:0 10px 20px rgba(15,23,42,.08);flex-direction:column;align-items:flex-start;gap:15px}
  .nav-links.open{display:flex}
  .hero h1{font-size:34px}
  .hero p{font-size:15px}
  .form-shell{padding:25px 18px}
  .form-grid{grid-template-columns:1fr}
  .field.full,.section-divider,.conditional,.actions,.status{grid-column:1}
  .conditional.show{grid-template-columns:1fr}
}