:root{color-scheme:light dark;--background:#F2F2F7;--surface:#FFFFFF;--text:#000000;--muted:#3C3C43;--accent:#007AFF;--accent-hover:#0066D6;--line:#D1D1D6;--shadow:0 14px 40px rgba(0,0,0,.11)}
@media(prefers-color-scheme:dark){:root{--background:#000000;--surface:#1C1C1E;--text:#FFFFFF;--muted:#EBEBF5;--accent:#0A84FF;--accent-hover:#409CFF;--line:#48484A;--shadow:0 16px 44px rgba(0,0,0,.42)}}
*{box-sizing:border-box}body{min-height:100vh;margin:0;background:var(--background);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,sans-serif}main{width:min(100% - 2.5rem,720px);margin:0 auto;padding:clamp(7rem,22vh,13rem) 0 4rem}.eyebrow{margin:0 0 1rem;color:var(--accent);font-size:.75rem;font-weight:800;letter-spacing:.14em}h1,h2{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",system-ui,sans-serif;letter-spacing:-.045em}h1{max-width:11ch;margin:0;font-size:clamp(3rem,10vw,5.75rem);line-height:.98}.intro{max-width:38rem;margin:1.6rem 0 2rem;color:var(--muted);font-size:clamp(1.1rem,3.8vw,1.35rem);line-height:1.5}.primary{display:inline-flex;gap:.7rem;align-items:center;padding:.9rem 1.15rem;border-radius:.8rem;background:var(--accent);color:#fff;font-weight:700;text-decoration:none;box-shadow:var(--shadow)}.primary:hover{background:var(--accent-hover)}.primary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}section{max-width:38rem;margin-top:clamp(5rem,14vh,8rem);padding-top:1.25rem;border-top:1px solid var(--line)}h2{margin:0 0 .4rem;font-size:1.3rem}section p{margin:0;color:var(--muted);line-height:1.5}