:root{color-scheme:light dark;--bg:#faf9f6;--ink:#20272b;--soft:#566168;--line:#d9ddd8;--card:#fff;--accent:#2563eb;--pale:#e8f0fe;--warn:#8d3822}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI","Noto Sans Arabic",sans-serif}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #b97424;outline-offset:5px}.wrap{max-width:1080px;margin:auto;padding:0 28px}.nav{display:flex;align-items:center;justify-content:space-between;min-height:94px;border-bottom:1px solid var(--line);gap:25px}.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:23px;text-decoration:none;color:var(--ink)}.brand img{border-radius:6px}nav{display:flex;gap:26px;font-size:15px;flex-wrap:wrap}.hero{padding:70px 0 50px;max-width:860px}h1{font-size:clamp(38px,6.2vw,66px);line-height:1.09;letter-spacing:-.045em;margin:18px 0 28px}h2{font-size:clamp(25px,3.5vw,32px);line-height:1.25;letter-spacing:-.03em}h3{font-size:20px;margin:14px 0 10px}.lead{font-size:clamp(20px,2.6vw,26px);line-height:1.45;max-width:780px}.eyebrow{font:700 12px/1.5 system-ui;letter-spacing:.13em;color:var(--accent)}.small{font-size:14px;color:var(--soft)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.button{display:inline-block;background:var(--accent);color:#fff;padding:12px 19px;border:1px solid var(--accent);border-radius:7px;text-decoration:none;font-size:15px;font-weight:650}.secondary{background:transparent;color:var(--accent)}section{padding:32px 0;border-bottom:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0}.grid article{padding:20px;background:var(--card);border:1px solid var(--line);border-radius:9px}.grid h3{margin-top:0}table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}th,td{border:1px solid var(--line);padding:8px 10px;text-align:start}th{background:var(--pale)}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.tabs button{font:inherit;font-size:14px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);cursor:pointer}.tabs button[aria-selected=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.tabpanel{display:none;padding:18px 20px;background:var(--card);border:1px solid var(--line);border-radius:9px}.tabpanel.active{display:block}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:var(--pale);padding:.1em .4em;border-radius:4px}pre{overflow:auto;white-space:pre;padding:16px 18px;background:var(--card);border:1px solid var(--line);border-radius:9px;font:14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace}pre code{background:none;padding:0}details{padding:16px 0;border-bottom:1px solid var(--line)}details:last-child{border:0}summary{cursor:pointer;font-weight:650}details p{max-width:850px;color:var(--soft)}.answer{background:var(--pale);border-radius:9px;padding:20px 24px;margin:20px 0;font-size:17px}footer{margin-top:10px;padding:26px 0 40px;font-size:14px;color:var(--soft)}.skip{position:absolute;left:20px;top:-80px;padding:8px;background:var(--card)}.skip:focus{top:8px;z-index:2}.ar{direction:rtl;text-align:right;font-family:"Noto Sans Arabic",Tahoma,system-ui,sans-serif}code,pre,kbd{direction:ltr;unicode-bidi:embed;text-align:left}@media(max-width:700px){.wrap{padding:0 20px}.nav{align-items:flex-start;flex-direction:column;gap:13px;padding-top:22px;padding-bottom:20px}.grid{grid-template-columns:1fr}.button{width:100%;text-align:center}}@media(prefers-color-scheme:dark){:root{--bg:#111316;--ink:#e7e8ea;--soft:#9aa0a6;--line:#2c2e33;--card:#17181b;--accent:#60a5fa;--pale:#1b2436;--warn:#ffb597}}