:root { color-scheme: light; font: 17px/1.6 system-ui, sans-serif; color: #10192f; background: #f7faff; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 72rem; margin: auto; padding: 1.25rem; }
header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .5rem 0 2rem; }
.brand { display: flex; align-items: center; gap: .7rem; color: #10192f; text-decoration: none; font-size: 1.2rem; font-weight: 800; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; }
a { color: #075bc4; }
.hero { max-width: 54rem; padding: 4rem 0 3rem; }
.eyebrow { color: #087857; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
h1 { max-width: 18ch; margin: .3rem 0 1rem; font-size: clamp(2.4rem, 7vw, 4.8rem); line-height: 1.03; letter-spacing: -.035em; }
h2 { line-height: 1.2; }
.lead { max-width: 42rem; color: #44516d; font-size: 1.25rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2rem 0; }
.actions a { min-height: 48px; display: inline-flex; align-items: center; padding: .7rem 1.1rem; border-radius: .7rem; font-weight: 750; text-decoration: none; }
.primary { background: #096de0; color: white; }
.secondary { border: 1px solid #9eabc1; color: #17233c; background: white; }
.status, .data { padding: 1rem 1.2rem; border-left: 4px solid #18a77c; background: #ef46; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2rem 0 4rem; }
.features article { padding: 1.3rem; border: 1px solid #d8dfeb; border-radius: 1rem; background: white; }
.features h2 { margin-top: 0; }
.how, .data { max-width: 52rem; margin: 3rem 0; }
li { margin-bottom: .6rem; }
footer { margin-top: 5rem; border-top: 1px solid #d8dfeb; padding: 1.5rem 0; color: #56627a; font-size: .93rem; }
:focus-visible { outline: 3px solid #e28b00; outline-offset: 3px; }
@media (max-width: 700px) { header { align-items: flex-start; } nav { justify-content: flex-end; } .features { grid-template-columns: 1fr; } .hero { padding-top: 2rem; } }
@media (prefers-color-scheme: dark) { :root { color-scheme: dark; color: #edf3ff; background: #09101e; } .brand { color: #edf3ff; } a { color: #8fc5ff; } .lead, footer { color: #b6c1d7; } .features article { background: #101b30; border-color: #2d3b55; } .secondary { background: #101b30; color: #edf3ff; border-color: #64738f; } .status, .data { background: #11372f; } footer { border-color: #2d3b55; } }