:root {
  color-scheme: dark;
  --page: #0e1726;
  --surface: #182337;
  --panel: #172336;
  --outline: #34465c;
  --accent: #5398d9;
  --text: #e9f0fa;
  --muted: #9baec5;
  --muted-soft: #7890ac;
}
* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--text);
  font: 400 16px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0 max(24px, calc((100vw - 1040px) / 2));
  background: var(--surface);
  border-bottom: 1px solid var(--outline);
}
.identity { display: inline-flex; gap: 14px; align-items: center; }
.brand { font-size: 17px; font-weight: 750; letter-spacing: .17em; }
.brandmark { display: grid; grid-template-columns: repeat(2, 7px); gap: 4px; transform: rotate(-12deg); }
.brandmark span { width: 7px; height: 7px; border-radius: 2px; background: var(--accent); }
.brandmark span:nth-child(2) { opacity: .55; }
.brandmark span:nth-child(3) { opacity: .7; }
.topbar-caption { font-size: 11px; letter-spacing: .16em; color: var(--muted-soft); font-weight: 700; }
.main { flex: 1; width: min(100%, 920px); margin: 0 auto; padding: clamp(72px, 12vh, 130px) 24px 90px; }
.introduction { margin-bottom: 35px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 22px; font-size: 11px; letter-spacing: .19em; font-weight: 750; color: var(--accent); }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(83,152,217,.10); }
h1 { font-size: clamp(36px, 5.3vw, 59px); line-height: 1.13; font-weight: 750; letter-spacing: -.045em; margin: 0 0 17px; }
.subtitle { font-size: 16px; color: var(--muted); margin: 0; }
.services { display: block; }
.service {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 29px 30px;
  background: var(--panel);
  border: 1px solid var(--outline);
  border-radius: 10px;
  outline-offset: 5px;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}
.service:hover { border-color: var(--accent); background-color: #1b2a40; transform: translateY(-2px); }
.service:focus-visible { outline: 2px solid var(--accent); border-color: var(--accent); }
.service-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: var(--accent);
  background: rgba(83,152,217,.11);
  border: 1px solid rgba(83,152,217,.24);
  border-radius: 10px;
}
.service-copy { display: flex; flex: 1; flex-direction: column; min-width: 0; align-items: flex-start; gap: 4px; }
.service-title { font-size: 19px; font-weight: 700; letter-spacing: -.015em; }
.service-description { font-size: 14px; color: var(--muted); }
.service-security { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--muted-soft); margin-top: 8px; }
.arrow { flex: none; color: var(--accent); }
.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
  width: min(100%, 1040px);
  padding: 22px 24px 27px;
  font-size: 11px;
  color: var(--muted-soft);
  border-top: 1px solid var(--outline);
  letter-spacing: .045em;
}
@media (max-width: 560px) {
  .topbar { height: 64px; }
  .topbar-caption { font-size: 9px; }
  .main { padding: 85px 18px 72px; }
  .service { gap: 15px; padding: 22px 17px; }
  .service-icon { width: 46px; height: 46px; }
  .service-icon svg { width: 21px; height: 21px; }
  .service-title { font-size: 17px; }
  .service-description { font-size: 13px; }
  .arrow { width: 17px; }
  .footer { padding-left: 18px; padding-right: 18px; }
}
@media (prefers-reduced-motion: reduce) { .service { transition: none; } }