:root { color-scheme: dark; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #edf3f7; background: #0b1420; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(ellipse at 85% 15%, #163747 0, transparent 55%); }
main { max-width: 1160px; margin: auto; padding: 32px 40px; }
header, footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
header, footer, .number { color: #a7bac9; font-size: 13px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #edf3f7; text-decoration: none; font-size: 20px; font-weight: 750; }
.brand:focus-visible { outline: 2px solid #79e4ca; outline-offset: 8px; }
.mark { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #79e4ca; border-radius: 10px; color: #79e4ca; }
section { padding: 90px 0 64px; }
.eyebrow { color: #79e4ca; font-size: 14px; }
h1 { max-width: 870px; font-size: clamp(36px, 6vw, 68px); line-height: 1.1; letter-spacing: -0.045em; margin: 24px 0; }
.intro { max-width: 650px; color: #b7c8d5; font-size: 18px; line-height: 1.7; }
.test { display: inline-block; margin-top: 20px; padding: 13px 18px; border: 1px solid #355a63; border-radius: 8px; background: #133239; color: #acf2de; font-size: 14px; line-height: 1.6; }
.details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 72px; padding-top: 28px; border-top: 1px solid #2a3c4b; }
.number { font-size: 11px; letter-spacing: 0.1em; }
h2 { font-size: 18px; margin: 16px 0 10px; }
article p { color: #b7c8d5; font-size: 14px; line-height: 1.7; margin: 0; }
.lab-status { padding-top: 0; }
.lab-status > h2 { font-size: 28px; }
.lab-status .details { margin-top: 28px; }
.lab-status h3 { font-size: 18px; margin: 0 0 10px; }
footer { border-top: 1px solid #2a3c4b; padding: 24px 0 8px; line-height: 1.6; }
@media (max-width: 640px) {
  main { padding: 24px; }
  header { flex-wrap: wrap; }
  section { padding: 56px 0 40px; }
  .details { grid-template-columns: 1fr; gap: 28px; margin-top: 44px; }
  footer { align-items: flex-start; flex-direction: column; gap: 8px; }
}