:root {
  --bg: #0b1220;
  --card: #121a2b;
  --muted: #9fb0c9;
  --text: #e6edf7;
  --brand: #4ea8ff;
  --brand-600: #2f89e5;
  --accent: #5eead4;
  --ok: #22c55e;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -20%, rgba(78,168,255,0.12), transparent 60%),
              radial-gradient(800px 400px at 100% 0%, rgba(94,234,212,0.09), transparent 60%),
              var(--bg);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.2) blur(10px);
  background: rgba(11, 18, 32, 0.7);
  border-bottom: 1px solid rgba(158, 174, 203, 0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  font-weight: 800;
  letter-spacing: 0.5px;
}
.main-nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
}
.main-nav a:hover { color: var(--text); }

/* Hero */
.hero {
  position: relative;
  padding: 88px 0 56px;
}
.hero-inner {
  text-align: center;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: 42px;
  line-height: 1.15;
}
.hero p { color: var(--muted); margin: 0 auto 24px; max-width: 720px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; margin-top: 8px; }
.trust-list { list-style: none; padding: 0; margin: 26px 0 0; color: var(--muted); display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.trust-list li { background: rgba(78,168,255,0.08); border: 1px solid rgba(78,168,255,0.18); padding: 8px 12px; border-radius: 999px; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to bottom, rgba(78,168,255,0.06), rgba(11,18,32,0)); }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: linear-gradient(180deg, rgba(18,26,43,0.7), rgba(18,26,43,0.5)); border-top: 1px solid rgba(158,174,203,0.12); border-bottom: 1px solid rgba(158,174,203,0.12); }
.section h2 { margin-top: 0; font-size: 28px; }

.grid-2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 920px) { .grid-2 { grid-template-columns: 1fr; } }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 1024px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px)  { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid rgba(158, 174, 203, 0.15);
  border-radius: 14px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat { background: rgba(78,168,255,0.08); border: 1px solid rgba(78,168,255,0.18); border-radius: 12px; padding: 16px; text-align: center; }
.stat span { display: block; font-weight: 700; font-size: 22px; }
.stat small { color: var(--muted); }

.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { background: rgba(94,234,212,0.1); border: 1px solid rgba(94,234,212,0.25); color: var(--text); padding: 6px 10px; border-radius: 999px; font-size: 14px; }

.check-list { padding-left: 0; list-style: none; }
.check-list li { position: relative; padding-left: 26px; margin: 8px 0; }
.check-list li::before { content: "✔"; color: var(--ok); position: absolute; left: 0; top: 0; }

.badges { display: flex; gap: 10px; flex-wrap: wrap; }
.badges span { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); padding: 6px 10px; border-radius: 999px; }

/* CTA & Form */
.cta { text-align: center; }
.contact-form { max-width: 820px; margin: 22px auto 0; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
label { color: var(--muted); font-size: 14px; }
input, textarea { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.18); color: var(--text); border-radius: 10px; padding: 12px 12px; outline: none; }
input:focus, textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(78,168,255,0.15); }
.form-success { color: var(--accent); margin-top: 10px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; text-decoration: none; font-weight: 600; transition: transform .06s ease, background .2s ease, border-color .2s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--brand), var(--brand-600)); color: #061020; border: 1px solid rgba(0,0,0,0.2); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-outline { background: transparent; border: 1px solid rgba(78,168,255,0.5); color: var(--text); }
.btn-outline:hover { background: rgba(78,168,255,0.1); }

/* Footer */
.site-footer { border-top: 1px solid rgba(158,174,203,0.15); padding: 26px 0; background: rgba(11,18,32,0.6); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: var(--muted); }
.footer-links a { color: var(--muted); text-decoration: none; margin-left: 14px; }
.footer-links a:hover { color: var(--text); }

/* Utilities */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

@media (max-width: 640px) {
  .main-nav { display: none; }
  .hero h1 { font-size: 32px; }
  .form-row { grid-template-columns: 1fr; }
}