:root {
  color-scheme: light dark;
  --bg: #f7f9fc;
  --surface: rgba(255, 255, 255, .78);
  --text: #102033;
  --muted: #627287;
  --line: rgba(31, 56, 86, .12);
  --blue: #087cf5;
  --blue-soft: #e8f2ff;
  --shadow: 0 20px 60px rgba(50, 87, 124, .10);
}

@media (prefers-color-scheme: dark) {
  :root { --bg: #0d1520; --surface: rgba(22, 34, 49, .84); --text: #f3f7fb; --muted: #a1b0c2; --line: rgba(220, 235, 250, .13); --blue-soft: #142d4b; --shadow: 0 20px 60px rgba(0, 0, 0, .22); }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1100px, calc(100% - 40px)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; }
.brand { display: inline-flex; gap: 11px; align-items: center; color: var(--text); font-weight: 700; letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 10px; box-shadow: var(--shadow); }
nav { display: flex; gap: 22px; font-size: 14px; }
nav a { color: var(--muted); }
.hero { padding: 92px 0 110px; max-width: 800px; }
.eyebrow { color: var(--blue); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
h1 { font-size: clamp(3.2rem, 9vw, 6.4rem); line-height: .98; letter-spacing: -.075em; margin: 20px 0 28px; max-width: 760px; }
.hero p { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 630px; margin: 0; }
.button { display: inline-block; margin-top: 32px; padding: 12px 18px; border-radius: 999px; background: var(--blue); color: #fff; font-weight: 700; box-shadow: var(--shadow); }
.button:hover { color: #fff; text-decoration: none; filter: brightness(1.05); }
.section { padding: 34px 0 100px; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.7rem); letter-spacing: -.045em; margin: 0 0 28px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card, .feature, .article { border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); border-radius: 24px; }
.card { min-height: 240px; padding: 28px; }
.card-number { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-weight: 700; font-size: 13px; }
h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
.card h3 { font-size: 1.28rem; margin: 44px 0 10px; }
.card p, .feature p { color: var(--muted); margin: 0; }
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature { padding: 30px; min-height: 160px; }
.feature h3 { margin: 0 0 10px; font-size: 1.25rem; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 32px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 18px; }
.page { padding: 64px 0 100px; max-width: 760px; }
.page h1 { font-size: clamp(2.8rem, 7vw, 5rem); margin-bottom: 20px; }
.page .intro { color: var(--muted); font-size: 1.15rem; margin-bottom: 46px; }
.article { padding: clamp(24px, 5vw, 48px); }
.article h2 { margin: 0 0 12px; font-size: 1.35rem; }
.article h2:not(:first-child) { margin-top: 36px; }
.article p, .article ul { color: var(--muted); }
.article ul { padding-left: 22px; }
.back { display: inline-block; margin-bottom: 35px; font-size: 14px; }
.learn-more { padding-top: 0; }
.link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.link-grid a { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); color: var(--text); font-weight: 700; box-shadow: var(--shadow); }
.link-grid a:hover { color: var(--blue); text-decoration: none; }
.link-grid span { color: var(--blue); font-size: 1.25rem; }
.article .button, .article .button:hover { color: #fff; }
@media (max-width: 700px) { .wrap { width: min(100% - 32px, 560px); } nav { gap: 14px; } .hero { padding: 64px 0 76px; } .cards, .features, .link-grid { grid-template-columns: 1fr; } .card { min-height: auto; } .card h3 { margin-top: 30px; } .footer { align-items: flex-start; flex-direction: column; } }