:root{color-scheme:light;--ink:#191919;--muted:#585858;--line:#dcdcd8;--wash:#f4f4f1;--paper:#fff;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #222;outline-offset:5px;border-radius:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.035em}p{color:var(--muted)}.shell{width:min(1180px,calc(100% - 80px));margin:auto}.skip{position:absolute;left:20px;top:-100px;padding:12px 18px;background:#fff;z-index:10}.skip:focus{top:8px}.review-strip{padding:10px 24px;background:var(--wash);text-align:center;font-size:13px;color:#454545;border-bottom:1px solid var(--line)}.masthead{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0;border-bottom:1px solid var(--line)}.brand{display:block;line-height:0}.brand img{display:block;width:144px;height:auto}.masthead nav,footer nav{display:flex;gap:26px;flex-wrap:wrap}.masthead nav a{padding:10px 0;text-decoration:none;font-size:15px}.masthead nav a[aria-current]{text-decoration:underline;font-weight:700}.hero{padding:88px 0 80px;max-width:850px}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:700;color:#555;margin-bottom:24px}.status-dot{display:inline-block;width:7px;height:7px;background:#555;border-radius:50%;margin-right:8px}.hero h1{font-size:clamp(48px,7vw,88px);line-height:1.02;letter-spacing:-.055em;margin-bottom:28px;font-weight:600}.intro{font-size:26px;color:var(--ink);margin-bottom:12px}.lead{max-width:560px;font-size:18px}.hero-links{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:30px;font-size:15px}.button{background:var(--ink);color:#fff;padding:13px 22px;border-radius:100px;text-decoration:none;display:inline-flex;gap:22px;align-items:center;min-height:48px}.overview{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;padding:52px 0;border-top:1px solid var(--line)}.overview h2{font-size:36px;font-weight:500}.feature-list section+section{border-top:1px solid var(--line);padding-top:24px}.feature-list h3{font-size:20px;margin-bottom:10px}.feature-list p{margin-bottom:26px;max-width:550px}.testing-note{padding:28px 32px;border-radius:var(--radius);background:var(--wash);margin:12px 0 60px}.testing-note h2{font-size:20px}.testing-note p{margin-bottom:0;max-width:800px}footer{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:36px 0 48px;border-top:1px solid var(--line);font-size:14px}footer p{margin:8px 0 14px}footer strong{font-size:17px}footer nav{gap:20px}.policy-layout{display:grid;grid-template-columns:230px minmax(0,720px);gap:64px;padding:55px 0 70px;align-items:start}.contents{position:sticky;top:20px;font-size:13px;max-height:calc(100vh - 40px);overflow:auto;padding:4px 8px 12px 4px}.contents summary{font-size:15px;font-weight:700;cursor:pointer;padding:9px 0}.contents nav{display:flex;flex-direction:column;gap:2px;margin-top:14px}.contents a{padding:5px 0;text-decoration:none}.contents a:hover{text-decoration:underline}.policy h1{font-size:clamp(36px,5vw,54px);font-weight:500;margin-bottom:20px}.policy-status{font-size:14px;padding:18px 20px;border-left:3px solid #555;background:var(--wash);margin-bottom:30px}.policy h2{font-size:25px;line-height:1.25;margin:42px 0 18px}.policy p,.policy li{overflow-wrap:anywhere}.policy li{color:var(--muted);padding-bottom:8px}.policy ul{padding-left:24px}.back-top{margin-top:40px}#main:focus,h2:focus{outline:none}
@media(max-width:800px){.shell{width:calc(100% - 40px)}.masthead{padding:24px 0}.hero{padding:58px 0}.overview{gap:32px}.policy-layout{grid-template-columns:1fr;gap:30px;padding-top:28px}.contents{position:static;max-height:none;background:var(--wash);border-radius:12px;padding:12px 18px}.contents nav{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px}.policy{max-width:720px}.policy h2{font-size:23px}}
@media(max-width:480px){.shell{width:calc(100% - 36px)}.review-strip{padding:10px 18px;font-size:12px}.masthead{gap:12px;flex-wrap:wrap}.brand img{width:118px}.masthead nav{gap:18px}.masthead nav a{font-size:14px}.hero{padding:44px 0 48px}.hero h1{font-size:52px}.intro{font-size:23px}.lead{font-size:17px}.hero-links{align-items:flex-start;flex-direction:column;gap:20px}.hero-links>a:not(.button){padding:5px 0}.overview{grid-template-columns:1fr;gap:15px;padding:34px 0}.overview h2{font-size:30px}.testing-note{padding:24px;margin-bottom:38px}footer{grid-template-columns:1fr;gap:20px;padding:30px 0}.contents nav{grid-template-columns:1fr}.contents a{min-height:36px}.policy-layout{gap:32px}.policy h1{font-size:39px}}