:root {
  color-scheme: dark;
  --bg: #070a10;
  --surface: #101722;
  --surface-soft: #0c111a;
  --line: #263142;
  --line-soft: #1a2330;
  --text: #f4f7fb;
  --muted: #9ba8ba;
  --blue: #397eff;
  --blue-light: #80afff;
  --green: #42d893;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; background: radial-gradient(circle at 72% -12%, rgba(57,126,255,.17), transparent 35%), var(--bg); }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--blue-light); outline-offset: 4px; border-radius: 4px; }
.site-header, main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--line-soft); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #4a88ff; border-radius: 11px; background: linear-gradient(145deg, #4389ff, #17449e); box-shadow: 0 12px 30px rgba(57,126,255,.2); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 14px; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.site-header nav, footer nav { display: flex; align-items: center; gap: 22px; }
.site-header nav a, footer nav a { color: var(--muted); text-decoration: none; font-size: 12px; }
.site-header nav a:hover, footer nav a:hover { color: white; }
.site-header .access-link { padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; color: #dbe7ff; background: rgba(255,255,255,.025); }
.hero { min-height: 660px; display: grid; grid-template-columns: 1.07fr .93fr; align-items: center; gap: clamp(48px, 8vw, 110px); padding: 90px 0; }
.eyebrow { margin: 0; color: #6f7e93; font-size: 10px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
h1 { max-width: 720px; margin: 19px 0 22px; font-size: clamp(42px, 6vw, 76px); line-height: 1.02; letter-spacing: -.055em; }
.hero-text { max-width: 650px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 32px; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 17px; border: 1px solid transparent; border-radius: 9px; text-decoration: none; font-size: 12px; font-weight: 750; }
.button.primary { background: var(--blue); box-shadow: 0 12px 30px rgba(57,126,255,.22); }
.button.primary:hover { background: #4a8aff; }
.button.secondary { border-color: var(--line); color: #d7e0ee; background: var(--surface-soft); }
.button.secondary:hover { border-color: #3a4960; }
.scope-note { display: flex; align-items: center; gap: 9px; margin-top: 24px; color: #77869a; font-size: 11px; }
.scope-note span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(66,216,147,.09); }
.data-map { position: relative; padding: 26px; border: 1px solid var(--line-soft); border-radius: 22px; background: linear-gradient(145deg, rgba(17,24,35,.96), rgba(10,15,23,.96)); box-shadow: 0 28px 90px rgba(0,0,0,.28); }
.data-map::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.025); border-radius: 15px; pointer-events: none; }
.map-node { position: relative; z-index: 1; padding: 20px; border: 1px solid var(--line-soft); border-radius: 13px; background: #0c121b; }
.map-node.core { border-color: rgba(57,126,255,.35); background: linear-gradient(90deg, rgba(57,126,255,.11), #0c121b); }
.map-node span { float: right; color: #4d5b70; font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.map-node strong, .map-node small { display: block; }
.map-node strong { font-size: 15px; }
.map-node small { margin-top: 6px; color: var(--muted); font-size: 11px; }
.map-line { width: 1px; height: 28px; margin-left: 28px; background: linear-gradient(var(--line), var(--blue), var(--line)); }
.section { padding: 100px 0; border-top: 1px solid var(--line-soft); }
.section-heading { max-width: 720px; }
.section h2, .company-section h2 { margin: 12px 0 15px; font-size: clamp(30px, 4vw, 47px); letter-spacing: -.045em; }
.section-heading > p:last-child { margin: 0; color: var(--muted); line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 42px; }
.feature-grid article { min-height: 210px; padding: 25px; border: 1px solid var(--line-soft); border-radius: 15px; background: linear-gradient(145deg, rgba(16,23,34,.96), rgba(11,16,24,.96)); }
.feature-grid article > span { color: #506079; font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.feature-grid h3 { margin: 38px 0 10px; font-size: 17px; }
.feature-grid p, .security-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.security-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.security-grid > div { padding: 21px; border-top: 1px solid var(--line); background: rgba(255,255,255,.012); }
.security-grid strong { display: block; margin-bottom: 9px; font-size: 13px; }
.company-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 90px 0; border-top: 1px solid var(--line-soft); }
.company-section dl { margin: 0; }
.company-section dl div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.company-section dt { color: #68778d; font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.company-section dd { margin: 0; color: #dbe2ec; font-size: 13px; }
.company-section dd a { color: var(--blue-light); }
footer { min-height: 120px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line-soft); }
footer strong, footer span { display: block; }
footer strong { font-size: 13px; }
footer span { margin-top: 4px; color: #68778d; font-size: 10px; }

@media (max-width: 900px) {
  .site-header nav a:not(.access-link) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 70px 0; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .security-section, .company-section { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 72px; }
  .site-header .access-link { padding: 8px 10px; }
  .hero { gap: 42px; padding: 54px 0 70px; }
  h1 { font-size: 42px; }
  .hero-text { font-size: 15px; }
  .feature-grid, .security-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 180px; }
  .section { padding: 72px 0; }
  .company-section dl div { grid-template-columns: 1fr; gap: 6px; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; padding: 28px 0; }
  footer nav { align-items: flex-start; flex-direction: column; gap: 12px; }
}