/* Shared base for example sites. Each page sets its own --bg/--ink/--muted/--accent/--surface/--line. */
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:16px/1.55 Geist,"Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
section{padding:clamp(72px,9vw,128px) 0}
h1,h2{font-weight:500;letter-spacing:-.04em;line-height:1.04}
h1{font-size:clamp(38px,4.8vw,64px)}
h2{font-size:clamp(28px,3.4vw,44px);max-width:18ch}
.lead{color:var(--muted);font-size:clamp(16px,1.2vw,19px);max-width:46ch}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;font-weight:500;font-size:15px;border:1px solid var(--line);background:var(--surface);transition:transform .4s cubic-bezier(.32,.72,0,1)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--accent-ink,#fff);border-color:transparent}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px}
nav.site{display:flex;justify-content:space-between;align-items:center;height:64px;font-size:14px}
nav.site b{font-weight:600;letter-spacing:-.02em;font-size:17px}
nav.site span{display:flex;gap:20px;color:var(--muted)}
@media (max-width:640px){nav.site span a:not(.btn){display:none}}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:center;padding:clamp(56px,8vw,112px) 0}
@media (max-width:860px){.hero{grid-template-columns:1fr}}
.cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
footer{padding:32px 0;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
/* Back-to-Northcut bar */
.back{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:10px clamp(20px,4vw,48px);font-size:13px;background:#131315;color:#f1f1ef}
.back a{border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 12px}
.back a:hover{background:rgba(255,255,255,.1)}