:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; color: #10234f; background: #eef5ff; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top, #d9efff 0, #eef5ff 42rem); }
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 32px; }
header, article, section { background: rgba(255,255,255,.88); border: 1px solid rgba(61,126,255,.15); border-radius: 24px; padding: 28px; margin-bottom: 18px; box-shadow: 0 12px 40px rgba(29,75,158,.08); }
header { padding: 48px 32px; background: linear-gradient(140deg, #09246c, #126dff); color: white; }
h1 { font-size: clamp(2.4rem, 8vw, 4.5rem); line-height: 1.05; margin: .2em 0; letter-spacing: -.04em; }
h2 { margin-top: 0; }
.eyebrow { font-size: .75rem; letter-spacing: .16em; font-weight: 800; opacity: .75; }
.lead { font-size: 1.2rem; line-height: 1.7; }
li, p { line-height: 1.8; }
details { border-top: 1px solid #dce7fb; padding: 16px 0; }
summary { font-weight: 700; cursor: pointer; }
.contact { text-align: center; }
.button { display: inline-block; padding: 13px 18px; border-radius: 999px; background: #126dff; color: #fff; font-weight: 700; text-decoration: none; }
.muted { color: #64718b; }
nav { margin-bottom: 20px; }
nav a, footer a { color: #0d5de0; }
footer { display: flex; justify-content: space-between; gap: 16px; padding: 16px 8px; font-size: .9rem; }
@media (max-width: 520px) { main { padding-top: 24px; } header, article, section { padding: 22px; border-radius: 18px; } footer { flex-direction: column; } }