:root{
  --bg:#f6f7fb;
  --surface:rgba(255,255,255,.75);
  --card:rgba(255,255,255,.88);
  --text:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.10);
  --shadow:0 16px 45px rgba(15,23,42,.08);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

.container{
  max-width:1040px;
  margin:0 auto;
  padding:0 22px;
}

a{color:inherit;text-decoration:none}

/* NAV */
.nav{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(246,247,251,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  font-size:13px;
  letter-spacing:.22em;
  font-weight:800;
  color:rgba(15,23,42,.55);
}
.nav-links{
  display:flex;
  gap:18px;
  font-size:14px;
  color:rgba(15,23,42,.72);
}
.nav-links a{
  padding:8px 10px;
  border-radius:10px;
}
.nav-links a:hover{
  background:rgba(255,255,255,.8);
  border:1px solid var(--line);
  padding:7px 9px;
}
.nav-cta{
  padding:10px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.8);
  font-weight:700;
}

/* HERO */
.hero{
  min-height:520px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 500px at 15% 15%, rgba(99,102,241,.10), transparent 60%),
    radial-gradient(800px 400px at 85% 10%, rgba(56,189,248,.08), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.7), rgba(246,247,251,1));
}
.hero-inner{
  max-width:760px;
  padding:84px 0;
}
.hero h1{
  font-size:52px;
  line-height:1.05;
  letter-spacing:-.03em;
  margin:0 0 14px;
  font-weight:800;
}
.hero-sub{
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:24px;
  max-width:680px;
}

/* BUTTON */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius:12px;
  background:var(--text);
  color:#fff;
  font-size:14px;
  font-weight:800;
  border:1px solid var(--text);
  transition:transform .08s ease,opacity .08s ease;
}
.btn:hover{transform:translateY(-1px);opacity:.96}
.btn:active{transform:none;opacity:.92}
.btn.full{width:100%}

/* SECTIONS */
.section{
  padding:64px 0;
}
.section.soft{
  background:rgba(255,255,255,.55);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section h2{
  font-size:28px;
  letter-spacing:-.02em;
  margin:0 0 12px;
  font-weight:800;
}
.section p{
  font-size:15.5px;
  color:var(--muted);
  margin:0 0 10px;
  line-height:1.9;
}
.muted{color:var(--muted)}

/* FEATURES */
.features{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.feature{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
}
.feature h3{
  font-size:16px;
  margin:0 0 8px;
  font-weight:800;
}
.feature p{
  font-size:14.5px;
  line-height:1.75;
}

/* CTA BAND */
.cta-band{
  margin-top:22px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:18px;
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cta-title{
  font-size:18px;
  font-weight:900;
  letter-spacing:-.01em;
}
.cta-sub{
  font-size:14.5px;
  color:rgba(15,23,42,.65);
  margin-top:4px;
}

/* FORM */
.two-col{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:32px;
  align-items:start;
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
}
label{
  display:block;
  font-size:12px;
  font-weight:700;
  color:rgba(15,23,42,.7);
  margin-bottom:10px;
}
input,textarea{
  width:100%;
  margin-top:8px;
  padding:12px;
  border-radius:12px;
  border:1px solid rgba(15,23,42,.18);
  font-size:14px;
  background:#fff;
}
input:focus,textarea:focus{
  outline:none;
  border-color:rgba(15,23,42,.35);
  box-shadow:0 0 0 4px rgba(99,102,241,.12);
}
textarea{
  min-height:110px;
  resize:vertical;
}
.fine{
  margin-top:10px;
  font-size:12px;
  color:rgba(15,23,42,.55);
}

/* FOOTER */
.footer{
  padding:26px 0;
  border-top:1px solid var(--line);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(15,23,42,.55);
}
.footer-links{
  display:flex;
  gap:14px;
}

/* RESPONSIVE */
@media (max-width:980px){
  .hero h1{font-size:40px}
  .features{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
}