:root{
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --text:#0f172a;
  --muted:#5b6779;
  --line:#e5eaf1;
  --blue:#1a5cff;
  --blue-dark:#0f47d1;
  --radius:14px;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.6;
}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
h1,h2{letter-spacing:-.02em;line-height:1.12;margin:0}

.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{font-weight:600;letter-spacing:-.01em}
.site-header nav{display:flex;align-items:center;gap:20px}
.site-header nav a{color:var(--muted);text-decoration:none;font-size:.95rem;transition:color .15s ease}
.site-header nav a:hover{color:var(--text)}
.nav-cta{color:var(--blue)!important;font-weight:500}

.hero{padding:96px 0 72px;background:linear-gradient(180deg,#f7faff 0%,#ffffff 100%)}
.eyebrow{margin:0 0 18px;color:var(--blue);font-size:.85rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:clamp(2.2rem,6vw,4rem);font-weight:700;max-width:16ch}
.lead{margin:24px 0 36px;max-width:62ch;font-size:clamp(1rem,2.2vw,1.15rem);color:var(--muted)}

.btn{display:inline-block;border:0;cursor:pointer;font:inherit;font-weight:600;text-decoration:none;padding:15px 30px;border-radius:999px;transition:background .15s ease,transform .15s ease,box-shadow .15s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 20px rgba(26,92,255,.22)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn-block{width:100%;padding:17px 30px;font-size:1.05rem}

.section{padding:88px 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section h2{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700}
.section-text{margin:20px 0 44px;max-width:68ch;color:var(--muted)}

.grid{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.card:hover{border-color:#c7d8ff;box-shadow:0 10px 26px rgba(15,23,42,.07);transform:translateY(-2px)}
.card .name{display:block;font-size:1.15rem;font-weight:600;letter-spacing:-.01em;word-break:break-word}
.card .chains{margin-top:12px;display:flex;gap:8px}
.chip{font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--blue);background:#eef3ff;border-radius:999px;padding:4px 10px}

.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:20px}
.steps li{display:flex;gap:16px;align-items:flex-start}
.steps span{flex:0 0 34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:600;font-size:.9rem}
.steps p{margin:4px 0;color:var(--muted)}

.contact{background:#0f172a;color:#fff}
.contact h2{color:#fff}
.contact .section-text{color:#a7b4c8}
.field-row{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{font-size:.85rem;font-weight:500;margin-bottom:8px;color:#cdd8e8}
.field input,.field textarea{
  font:inherit;color:#fff;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:13px 14px;transition:border-color .15s ease,background .15s ease;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:rgba(255,255,255,.1)}
.form-note{min-height:1.2em;margin:14px 0 0;font-size:.9rem;color:#ffb4b4}

.site-footer{padding:36px 0;border-top:1px solid var(--line);text-align:center}
.site-footer p{margin:4px 0;font-size:.9rem}
.muted{color:var(--muted)}

@media (max-width:640px){
  .hero{padding:64px 0 52px}
  .section{padding:64px 0}
  .field-row{grid-template-columns:1fr;gap:0}
  .site-header nav a:not(.nav-cta){display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}