:root{
  --bg:#fdfdfb;
  --ink:#121212;
  --ink-2:#55534e;
  --ink-3:#8d8a82;
  --line:#e4e2dc;
  --box:#f4f2ec;
  --mark:#ff5a36;
  --sans:"Readex Pro", "Helvetica Neue", Arial, sans-serif;
  --pad:clamp(16px, 5vw, 64px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:300;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
.shell{max-width:1200px;margin:0 auto;padding:0 var(--pad)}

.top{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding-top:28px;padding-bottom:28px}
.wordmark{font-weight:600;font-size:18px;text-decoration:none;letter-spacing:-.01em}
.top nav{display:flex;gap:26px;font-size:16px;font-weight:400}
.top nav a{text-decoration:none;color:var(--ink-2)}
.top nav a:hover{color:var(--ink);text-decoration:underline}
.top nav a.lang{color:var(--ink);font-weight:500}

.doc{max-width:760px;padding-top:clamp(40px,7vw,96px);padding-bottom:clamp(64px,8vw,112px)}
.doc h1{font-size:clamp(36px,5vw,60px);font-weight:500;letter-spacing:-.03em;line-height:1.05;margin:0 0 14px}
.meta{color:var(--ink-3);font-size:15px;display:flex;gap:8px 24px;flex-wrap:wrap;margin-bottom:36px}
.meta a{color:var(--ink-2)}

.short{background:var(--box);border-radius:14px;padding:26px 28px;margin-bottom:48px}
.short h2{font-size:15px;font-weight:600;letter-spacing:.02em;margin:0 0 12px}
.short ul{margin:0;padding-inline-start:20px}
.short li{margin:6px 0}
.short li::marker{color:var(--mark)}

.doc h2.sec{font-size:22px;font-weight:500;letter-spacing:-.01em;margin:44px 0 12px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:14px}
.doc h2.sec span{color:var(--ink-3);font-weight:400;min-width:1.4em}
.doc p{margin:0 0 14px;color:#2b2a27}
.doc ul,.doc ol{margin:0 0 14px;padding-inline-start:22px;color:#2b2a27}
.doc li{margin:7px 0}
.doc strong{font-weight:500;color:var(--ink)}
.note{border-inline-start:3px solid var(--mark);padding:4px 0 4px 16px;margin:18px 0;color:var(--ink-2)}
[dir="rtl"] .note{padding:4px 16px 4px 0}


footer{border-top:1px solid var(--line);padding:22px 0 34px;font-size:14px;color:var(--ink-3)}
footer .shell{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer nav{display:flex;gap:20px}

@media (max-width:520px){
  .top nav{gap:16px;font-size:15px}
  .top nav .opt{display:none}
  .short{padding:20px 18px}
}

/* Arabic page */
html[lang="ar"] body{font-weight:400;font-size:17.5px;line-height:1.9}
html[lang="ar"] *{letter-spacing:0 !important}
html[lang="ar"] .doc h1{line-height:1.25}