:root {
  --bg: #0b0d13;
  --panel: #0f131b;
  --muted: #8a94a7;
  --text: #e7ecf3;
  --brand: #0b72ff;
  --brand-2: #6bdcff;
  --card: #111826;
  --ring: rgba(11, 114, 255, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(11,114,255,0.15), transparent 60%),
              radial-gradient(1200px 600px at 90% -20%, rgba(107,220,255,0.12), transparent 60%),
              var(--bg);
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(140%) blur(8px);
  background: linear-gradient(to bottom, rgba(10,12,18,0.85), rgba(10,12,18,0.55));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.logo { width: 28px; height: 28px; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--text);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list a {
  color: var(--text);
  text-decoration: none;
  opacity: 0.9;
}
.nav-list a:hover { color: white; opacity: 1; }
.nav-list .link-secondary {
  color: var(--brand-2);
}

.hero {
  position: relative;
  padding: 96px 0 56px;
}
.hero-inner {
  text-align: center;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.hero p {
  margin: 0 auto 26px;
  max-width: 780px;
  color: var(--muted);
  font-size: 18px;
}
.hero-gradient {
  pointer-events: none;
  position: absolute; inset: 0;
  background: radial-gradient(600px 240px at 50% 10%, rgba(11,114,255,0.22), transparent 60%);
}

.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 18px;
  border-radius: 10px; text-decoration: none; font-weight: 600;
  color: white; border: 1px solid rgba(255,255,255,0.16);
}
.btn-primary { background: linear-gradient(135deg, var(--brand), #2ba5ff); box-shadow: 0 10px 24px rgba(11,114,255,0.25); }
.btn-ghost { background: rgba(255,255,255,0.06); color: white; }
.btn-block { width: 100%; }

.section { padding: 72px 0; }
.section-alt { background: linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(255,255,255,0.00)); }

.two-col {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: start;
}

h2 { font-size: 34px; margin: 0 0 12px; letter-spacing: -0.01em; }
h3 { margin: 0 0 8px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); font-size: 12px; margin-bottom: 8px; }

p { color: #cdd6e5; line-height: 1.65; margin: 0 0 12px; }
ul { margin: 0 0 12px 18px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  border-radius: 14px; padding: 18px; color: var(--text);
}

.checklist { list-style: none; padding: 0; margin: 12px 0 0; }
.checklist li { padding-left: 26px; position: relative; margin: 8px 0; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 4px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: 0 8px 16px rgba(11,114,255,0.3); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.link { color: var(--brand-2); text-decoration: none; }
.link:hover { text-decoration: underline; }

.form-row { display: grid; gap: 8px; margin: 10px 0; }
label { color: var(--muted); font-size: 14px; }
input, textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--ring); box-shadow: 0 0 0 4px var(--ring); }

.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 28px 0;
}
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 16px; }
.legal { color: var(--muted); }

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

@media (max-width: 960px) {
  .two-col { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .hero h1 { font-size: 40px; }
  .cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .nav-toggle { display: inline-flex; }
  .nav-list { position: absolute; right: 20px; top: 64px; background: var(--panel); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 12px; display: none; flex-direction: column; width: 210px; }
  .nav-list.open { display: flex; }
}