:root {
    color-scheme: dark;
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #dbe7f5;
    background: #07101f;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 50% -15%, #17335d 0, #0b172a 35%, #07101f 72%); }
a { color: inherit; text-decoration: none; }

.site-header, main, footer { width: min(1080px, calc(100% - 40px)); margin-inline: auto; }
.site-header { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid #29405f; }
.brand { color: #e7f0ff; font-size: 20px; font-weight: 800; }
nav { display: flex; gap: 22px; color: #a9b9cd; font-weight: 650; }
nav a:hover { color: #fff; }

.hero { padding: 92px 0 78px; max-width: 820px; }
.eyebrow { color: #69a7ff; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 12px 0 20px; max-width: 760px; color: #f4f8ff; font-size: clamp(46px, 8vw, 88px); line-height: .98; letter-spacing: -.055em; }
.lead { max-width: 740px; color: #afbed1; font-size: clamp(18px, 2.5vw, 23px); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.actions a, .scope a { padding: 13px 18px; border: 1px solid #3c5576; border-radius: 10px; font-weight: 750; }
.actions .primary { border-color: #2f73ed; background: #2f69d8; color: #fff; box-shadow: 0 10px 35px #1850ad55; }
.catalog-size { margin-top: 24px; color: #7187a2; font-size: 13px; }

section { border-top: 1px solid #29405f; padding: 54px 0; }
h2 { margin: 0 0 24px; color: #edf4ff; font-size: clamp(27px, 4vw, 42px); letter-spacing: -.03em; }
h3 { margin: 8px 0 10px; color: #e7effb; font-size: 20px; }
p { line-height: 1.55; }
.comparison, .feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
article { padding: 24px; border: 1px solid #2b4160; border-radius: 14px; background: #101d30cc; }
article span { color: #8296b0; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
article p, .scope p { margin: 0; color: #98aabe; }
article.accent { border-color: #326bc2; background: #122a4c; }
article.accent span { color: #75aaff; }
.scope { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.scope div { max-width: 750px; }
.scope a { flex: 0 0 auto; }
footer { display: flex; justify-content: space-between; gap: 24px; padding: 26px 0 40px; color: #70849e; font-size: 12px; }

@media (max-width: 700px) {
    .site-header { align-items: flex-start; padding: 18px 0; }
    nav { gap: 12px; flex-wrap: wrap; justify-content: flex-end; font-size: 12px; }
    .hero { padding: 64px 0 54px; }
    .comparison, .feature-grid { grid-template-columns: 1fr; }
    .scope, footer { align-items: flex-start; flex-direction: column; }
}
