:root{color-scheme:light;--bg:#f9f9f7;--text:#1c2632;--muted:#626d7b;--line:#d8dde1}:root[data-theme=dark]{color-scheme:dark;--bg:#1d2434;--text:#f2f5fd;--muted:#adb9d0;--line:#404c66}*{box-sizing:border-box}body{margin:0;font:16px/1.8 Arial,sans-serif;background:var(--bg);color:var(--text)}header,footer{max-width:1100px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:25px;border-bottom:1px solid var(--line)}header img{width:175px}:root[data-theme=dark] header img{filter:invert(1) hue-rotate(180deg)}button{border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--text);padding:12px;cursor:pointer}main{max-width:800px;margin:auto;padding:55px 25px 75px}a{color:inherit;text-underline-offset:4px}a:focus-visible,button:focus-visible{outline:2px solid #da8734;outline-offset:4px}.back,.updated,.eyebrow{font-size:12px;color:var(--muted)}.eyebrow{letter-spacing:2px;margin-top:40px}h1{font-size:clamp(36px,6vw,56px);letter-spacing:-1.8px;line-height:1.1;font-weight:500;margin:18px 0}h2{font-size:22px;line-height:1.4;margin:38px 0 12px}.lead{font-size:20px;margin:35px 0}p,li{color:var(--muted)}li{margin-bottom:12px}footer{font-size:12px;border-top:1px solid var(--line);border-bottom:0;flex-wrap:wrap;padding-bottom:calc(30px + env(safe-area-inset-bottom))}@media(max-width:600px){header{padding-top:calc(18px + env(safe-area-inset-top))}main{padding-top:30px}body{font-size:15px}}