*{box-sizing:border-box}
body{margin:0;color:#172033;background:#fff;font-family:Arial,sans-serif;line-height:1.6}
.container{width:min(1080px,calc(100% - 40px));margin:0 auto}
header{border-bottom:1px solid #e3e7ed;background:#fff}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 0}
.brand{color:#172033;font-weight:700;text-decoration:none}
nav{display:flex;gap:20px;flex-wrap:wrap}
nav a{color:#536178;text-decoration:none}
.hero{padding:90px 0;background:#f5f7fa}
.hero h1{max-width:760px;margin:8px 0 18px;font-size:48px;line-height:1.08}
.hero p{max-width:700px;font-size:19px}
.eyebrow{color:#2f65d9;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.section{padding:64px 0}
.section h1{font-size:40px;line-height:1.15}
.section h2{margin-top:36px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards article{padding:24px;border:1px solid #e0e5ec;border-radius:12px}
.button{display:inline-block;margin-top:12px;padding:12px 18px;border-radius:8px;color:#fff;background:#2f65d9;text-decoration:none;font-weight:700}
footer{margin-top:50px;padding:28px 0;color:#6b7585;background:#f5f7fa;font-size:13px}
@media(max-width:720px){.nav{align-items:flex-start;flex-direction:column}.hero{padding:60px 0}.hero h1{font-size:38px}.cards{grid-template-columns:1fr}}