* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, sans-serif;
background: #f4f7fa; color: #163047; }
.hero { margin: 12vh auto; padding: 44px; max-width: 720px;
background: white; border-radius: 18px;
box-shadow: 0 12px 40px #10263d12; }
h1 { margin: 10px 0; font-size: 46px; }
.eyebrow { color: #087e87; font-weight: 700; letter-spacing: .14em; }
.lead { font-size: 19px; }
.stack { color: #64748b; }