:root{font-family:Arial,"Noto Sans Georgian",sans-serif;color:#203247;background:#f4f6f9;line-height:1.75;font-size:17px;color-scheme:light}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:900px;margin:auto;padding:24px}header{padding-top:36px}.brand{font-size:22px;font-weight:700;color:#143b5b;text-decoration:none}nav{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:14px}a{color:#005a9c;text-underline-offset:3px}a:hover{color:#003e6b}a:focus-visible{outline:3px solid #ffb547;outline-offset:4px}.draft{padding:12px 18px;border-left:4px solid #d18a10;background:#fff5dc;border-radius:4px;font-size:15px;margin-bottom:24px}main{background:white;border:1px solid #dfe5ec;border-radius:12px;padding:32px}h1{font-size:32px;line-height:1.35;margin:0 0 20px}h2{font-size:22px;line-height:1.45;margin:30px 0 10px}p{margin:12px 0}ul{padding-left:26px}li+li{margin-top:8px}.lead{font-size:20px;color:#3d5268}.formula{border:1px solid #c9dce9;background:#f0f7fb;padding:14px 18px;border-radius:6px;font-weight:700}.meta{font-size:14px;color:#586b7d}.note{border-left:3px solid #8aa5bb;padding-left:16px}code{font-family:Consolas,monospace;overflow-wrap:anywhere;font-size:.9em}footer{font-size:14px;color:#586b7d;padding-bottom:36px}@media(max-width:640px){header,footer{padding:20px}main{padding:24px 20px;border-radius:0;border-left:0;border-right:0}h1{font-size:27px}.lead{font-size:18px}}