.site-header{padding:3rem 2rem 2rem;background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff}
.site-header h1{margin:0;font-size:2.4rem}
.main-navigation{background:#ffffff;border-bottom:1px solid #dbe3ef}
.main-navigation .menu{display:flex;gap:1.25rem;list-style:none;margin:0;padding:1rem 2rem}
main{max-width:760px;margin:2rem auto;padding:0 2rem}
.widget-area{max-width:760px;margin:0 auto 3rem;padding:0 2rem}
.widget{background:#fff;border:1px solid #dbe3ef;border-radius:8px;padding:1.25rem;margin-bottom:1rem}
footer{max-width:760px;margin:0 auto 3rem;padding:0 2rem;color:#475569}