:root{--primary: #ff0040;--accent: #91b2c5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;background:#fff;color:#1f2a33}.container{width:min(100% - 2rem,960px);margin:0 auto}.site-header{position:sticky;top:0;z-index:1000;background:var(--primary);color:#fff}.header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 1.5rem;padding:.9rem 0}h1{margin:0;font-size:clamp(1.4rem,2.5vw,2rem)}nav ul{display:flex;list-style:none;gap:1rem;margin:0;padding:0}:is(nav,h1) a{color:#fff;text-decoration:none;font-weight:600;padding-bottom:.1rem;border-bottom:2px solid transparent}nav a:hover,nav a:focus-visible{border-bottom-color:var(--primary)}main{padding:2rem 0 3rem}section{padding:2rem 0;border-bottom:1px solid #d9e3ea;scroll-margin-top:6.5rem}section:last-child{border-bottom:none}h2{margin-top:0;color:var(--primary)}p{max-width:70ch}