:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #eef1ff; background: #080b1d; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 75% -10%, #2d468d 0, transparent 38%), radial-gradient(circle at 5% 35%, #31245c 0, transparent 34%), #080b1d; }
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 68px 0 56px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 800; letter-spacing: .04em; text-decoration: none; color: #fff; }
.mark { width: 26px; height: 26px; border-radius: 9px; background: conic-gradient(from 225deg, #bfb3ff, #76e5ff, #6373eb, #bfb3ff); box-shadow: 0 4px 18px #75dffc66; }
h1 { font-size: clamp(35px, 7vw, 56px); max-width: 600px; letter-spacing: -.045em; line-height: 1.04; margin: 38px 0 18px; }
h2 { font-size: 20px; margin: 32px 0 9px; }
p, li { color: #c6ccdf; line-height: 1.68; font-size: 16px; }
.lead { font-size: 19px; max-width: 620px; }
.card { margin-top: 36px; border: 1px solid #ffffff1f; border-radius: 24px; padding: 8px 28px 20px; background: #101632a8; box-shadow: 0 16px 50px #00000033; }
a { color: #98e7ff; } footer { margin-top: 48px; color: #8991ad; font-size: 14px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 30px; } nav a { text-decoration: none; font-weight: 700; }