:root {
  --indigo: #4f46e5;
  --indigo-dark: #4338ca;
  --indigo-light: #6366f1;
  --ink: #0f172a;
  --slate: #475569;
  --muted: #94a3b8;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --border: #e6e9ef;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  transition: transform .06s ease, background .15s ease, box-shadow .15s ease;
  border: 1px solid transparent; cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--indigo); color: #fff; }
.btn-primary:hover { background: var(--indigo-dark); box-shadow: 0 8px 24px rgba(79,70,229,.25); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-light { background: #fff; color: var(--indigo-dark); }
.btn-light:hover { background: #eef2ff; }

/* Header */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85); backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--slate); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.logo img { height: 30px; display: block; }

/* Hero */
.hero { padding: 84px 0 56px; text-align: center; background:
  radial-gradient(900px 380px at 50% -10%, #eef2ff 0%, rgba(238,242,255,0) 70%); }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: #eef2ff; color: var(--indigo-dark); border: 1px solid #dfe3ff;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 22px;
}
.hero h1 { font-size: 52px; line-height: 1.08; letter-spacing: -1.4px; max-width: 880px; margin: 0 auto; }
.hero h1 .accent { color: var(--indigo); }
.hero p.sub { font-size: 19px; color: var(--slate); max-width: 660px; margin: 22px auto 0; }
.cta-row { display: flex; gap: 14px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.trust { margin-top: 26px; color: var(--muted); font-size: 14px; }
.trust b { color: var(--slate); font-weight: 600; }

/* Section scaffolding */
section.block { padding: 72px 0; }
.eyebrow { color: var(--indigo); font-weight: 700; font-size: 13px; letter-spacing: .6px; text-transform: uppercase; }
.block h2 { font-size: 34px; letter-spacing: -.8px; margin-top: 10px; }
.block .lead { color: var(--slate); font-size: 17px; max-width: 620px; margin-top: 12px; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.card {
  border: 1px solid var(--border); border-radius: 16px; padding: 22px; background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.card:hover { border-color: #cdd3f7; box-shadow: 0 10px 30px rgba(15,23,42,.06); transform: translateY(-2px); }
.card .ic { width: 40px; height: 40px; border-radius: 10px; background: #eef2ff; color: var(--indigo);
  display: grid; place-items: center; font-size: 20px; margin-bottom: 14px; }
.card h3 { font-size: 17px; }
.card p { color: var(--slate); font-size: 14.5px; margin-top: 6px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.step .num { width: 34px; height: 34px; border-radius: 999px; background: var(--indigo); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 15px; }
.step h3 { font-size: 18px; margin-top: 14px; }
.step p { color: var(--slate); margin-top: 6px; font-size: 15px; }

/* Security strip */
.secure { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.secure .grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.secure .pill { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.secure .pill .k { font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -.5px; }
.secure .pill .v { color: var(--slate); font-size: 14px; margin-top: 4px; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, #4f46e5, #4338ca); color: #fff; border-radius: 24px;
  padding: 56px 40px; text-align: center; margin: 0 0 0; }
.cta-band h2 { color: #fff; font-size: 32px; letter-spacing: -.6px; }
.cta-band p { color: #dfe3ff; margin-top: 12px; font-size: 17px; }
.cta-band .cta-row { margin-top: 28px; }

/* Footer */
footer { background: #0b1120; color: #cbd5e1; padding: 48px 0 36px; margin-top: 72px; }
footer .cols { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
footer .logo img { height: 28px; }
footer .tag { color: #94a3b8; font-size: 14px; margin-top: 14px; max-width: 320px; }
footer .col h4 { color: #fff; font-size: 14px; margin-bottom: 12px; }
footer .col a { display: block; color: #94a3b8; font-size: 14px; padding: 4px 0; }
footer .col a:hover { color: #fff; }
footer .bottom { border-top: 1px solid #1e293b; margin-top: 32px; padding-top: 20px; color: #64748b;
  font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

@media (max-width: 880px) {
  .hero h1 { font-size: 38px; }
  .grid, .steps, .secure .grid4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}