*{box-sizing:border-box}html{color-scheme:light dark}body{margin:0;background:#f6f8fc;color:#142033;font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:#0674e6;text-underline-offset:4px}a:focus-visible{outline:3px solid #0674e6;outline-offset:5px;border-radius:4px}header{border-bottom:1px solid #dce3ed;background:#fff}nav{max-width:1100px;margin:auto;padding:22px 28px;display:flex;gap:24px;flex-wrap:wrap;align-items:center}nav .brand{font-size:20px;font-weight:750;color:inherit;text-decoration:none;margin-right:auto}.links{display:flex;gap:22px;flex-wrap:wrap}.links a{font-size:14px;text-decoration:none}.links a[aria-current=page]{font-weight:700}main{max-width:820px;margin:auto;padding:64px 28px 84px}h1{font-size:clamp(34px,5vw,52px);line-height:1.12;letter-spacing:-1.4px;margin:0 0 20px}h2{font-size:22px;line-height:1.4;letter-spacing:-.35px;margin:0 0 14px}section{margin-top:42px}p{margin:12px 0}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.4px;color:#0674e6;text-transform:uppercase}.muted{color:#617087}.intro{font-size:20px;color:#53647b}.card{padding:24px;border:1px solid #dce3ed;border-radius:18px;background:#fff;margin:18px 0}.card a{font-weight:650}footer{max-width:1100px;padding:24px 28px;margin:auto;border-top:1px solid #dce3ed;font-size:14px;color:#617087}.button{display:inline-block;padding:10px 18px;background:#0674e6;color:white;border-radius:12px;text-decoration:none;font-weight:650}.skip{position:absolute;top:-60px;left:12px}.skip:focus{top:12px}li{margin:10px 0}@media(prefers-color-scheme:dark){body{background:#10151e;color:#eef3fa}header,.card{background:#171e2a;border-color:#303b4e}footer{border-color:#303b4e}.muted,.intro,footer{color:#a8b7cc}a,.eyebrow{color:#65aeff}.button{background:#0674e6;color:white}}@media(max-width:560px){main{padding-top:40px}nav{gap:12px;padding:18px 22px}.links{gap:16px;width:100%}.intro{font-size:18px}}