:root{--page-background: #f8fafc;--page-text: #0f172a;--page-muted: #475569;--surface: rgba(255, 255, 255, 0.85);--surface-border: rgba(15, 23, 42, 0.08)}*{box-sizing:border-box}body.scrollspy-page{margin:0;min-height:100vh;font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif;color:var(--page-text);background:radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 32%),linear-gradient(180deg, #fff, var(--page-background))}.page-shell{width:min(1100px,100% - 2rem);margin:0 auto;padding:3rem 0 4rem}.page-header{max-width:56rem;margin-bottom:2rem}.eyebrow,.demo-label{margin:0 0 .6rem;color:#1d4ed8;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}h1,h2,p,span{margin:0}h1{font-size:clamp(2.4rem,5vw,4rem);line-height:.95}h2{font-size:1.45rem}.page-copy,.demo-copy{margin-top:.9rem;color:var(--page-muted);line-height:1.7}.demo-grid{display:grid;gap:1.25rem}.demo-card{display:grid;gap:1.2rem;padding:1.5rem;border:1px solid var(--surface-border);border-radius:1.25rem;background:var(--surface);box-shadow:0 20px 35px rgba(15,23,42,.08)}.scrollspy__base{display:grid;gap:10px;overflow:hidden}.scrollspy__box{display:flex;align-items:center;justify-content:center;min-height:220px;margin:0;border-radius:10px;background-color:#4682b4;color:#fff;box-shadow:2px 4px 5px rgba(0,0,0,.3);transform:translateX(400%);transition:transform .8s ease-in-out}.scrollspy__box:nth-of-type(even){transform:translateX(-400%)}.scrollspy__box.show{transform:translateX(0)}.scrollspy__box h2{margin:0;font-size:clamp(2rem,4vw,2.8rem)}