:root{--bg:#f5f5f7;--surface:#fff;--fill:#eeeef0;--text:#1d1d1f;--muted:#86868b;--sep:rgba(0,0,0,.08);--accent:#0071e3;--accent-soft:#0071e31a;--radius:18px;--font:-apple-system,'SF Pro Display','SF Pro Text','Geist',system-ui,'Helvetica Neue',sans-serif;--mono:ui-monospace,'SF Mono','Geist Mono',Menlo,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;letter-spacing:-.2px}
a{color:var(--accent);text-decoration:none}
a:hover{opacity:.72}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
/* nav */
.nav{position:sticky;top:0;z-index:20;height:52px;display:flex;align-items:center;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--sep)}
.nav .wrap{display:flex;align-items:center;gap:12px;width:100%}
.nav img{width:26px;height:26px;border-radius:7px}
.nav b{font-size:16px;font-weight:600;letter-spacing:-.3px;flex:1}
.nav a{font-size:14.5px;font-weight:500}
/* hero */
.hero{text-align:center;padding:76px 0 8px}
.hero img{width:104px;height:104px;border-radius:26px;box-shadow:0 12px 32px rgba(0,113,227,.28)}
h1{font-size:clamp(38px,6vw,56px);font-weight:700;letter-spacing:-1.8px;line-height:1.06;margin:26px 0 0}
.lede{font-size:clamp(17px,2.2vw,21px);color:var(--muted);line-height:1.45;max-width:520px;margin:16px auto 0;text-wrap:pretty}
.cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:9px;height:50px;padding:0 26px;border-radius:999px;background:var(--accent);color:#fff;font-size:16.5px;font-weight:600}
.btn:hover{opacity:.88}
.btn.ghost{background:var(--fill);color:var(--text)}
.note{font-size:13px;color:var(--muted);margin-top:14px}
/* features */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:64px}
.card{background:var(--surface);border-radius:var(--radius);padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card svg{color:var(--accent);margin-bottom:14px}
.card h3{font-size:17.5px;font-weight:600;letter-spacing:-.35px;margin:0 0 6px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.5;margin:0;text-wrap:pretty}
/* shots */
.shots{margin-top:80px}
.shots h2{font-size:clamp(26px,3.6vw,34px);font-weight:700;letter-spacing:-1px;text-align:center;margin:0}
.shots .sub{font-size:16.5px;color:var(--muted);text-align:center;margin:12px auto 0;max-width:460px;line-height:1.45}
.rail{display:flex;gap:22px;overflow-x:auto;padding:38px 24px 30px;margin:0 -24px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:0}
.shot{flex:0 0 auto;width:236px;scroll-snap-align:center}
.phone{border-radius:34px;padding:9px;background:linear-gradient(160deg,#3a3a3f,#18181b);box-shadow:0 18px 40px rgba(0,0,0,.24)}
.phone img{display:block;width:100%;border-radius:26px}
.shot figcaption{font-size:14.5px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.4}
.shot b{display:block;color:var(--text);font-weight:600;font-size:15.5px;letter-spacing:-.25px;margin-bottom:2px}
/* doc */
.eyebrow{font-size:11.5px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.doc{padding:64px 0 0}
.doc h1{font-size:clamp(32px,5vw,44px);margin-top:10px}
.doc .updated{font-size:14px;color:var(--muted);margin-top:14px;font-family:var(--mono);letter-spacing:0}
.panel{background:var(--surface);border-radius:var(--radius);padding:8px 28px 28px;margin-top:32px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.panel h2{font-size:21px;font-weight:600;letter-spacing:-.5px;margin:34px 0 10px;padding-top:22px;border-top:1px solid var(--sep)}
.panel h2:first-of-type{border-top:none;padding-top:8px;margin-top:14px}
.panel p,.panel li{font-size:16px;line-height:1.62;color:var(--text);text-wrap:pretty}
.panel p{margin:0 0 12px}
.panel ul{margin:0 0 12px;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.panel strong{font-weight:600}
.callout{background:var(--accent-soft);border-radius:14px;padding:18px 20px;margin:0 0 4px}
.callout p{margin:0;font-size:15.5px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.toc a{background:var(--fill);border-radius:999px;padding:8px 15px;font-size:14px;font-weight:500;color:var(--text)}
.toc a:hover{background:var(--accent-soft);color:var(--accent);opacity:1}
/* footer */
footer{margin-top:72px;padding:34px 0 44px;border-top:1px solid var(--sep)}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
footer p{font-size:13px;color:var(--muted);margin:0}
footer nav{display:flex;gap:18px;font-size:13px}
@media(max-width:600px){.hero{padding-top:52px}.panel{padding:8px 20px 22px}}