:root{--navy:#0B1F3A;--teal:#14B8A6;--ink:#0F172A;--slate:#475569;--mute:#64748B;--line:#E2E8F0;--bg:#F8FAFC}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);line-height:1.7;background:#fff;-webkit-font-smoothing:antialiased}
html[lang="ar"] body{font-family:"Cairo","Inter",system-ui,sans-serif}
.lang-btn{font-size:13px;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:8px;cursor:pointer}
.lang-btn:hover{border-color:var(--teal)}
.lang-note{background:#FEF3C7;border:1px solid #FCD34D;color:#92400E;padding:10px 14px;border-radius:8px;font-size:13px;margin:12px 0 24px;display:none}
html[lang="ar"] .lang-note{display:block}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:820px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--navy)}
.logo-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.nav a.back{font-size:14px;color:var(--slate);font-weight:500}
main{padding:56px 0 96px}
.eyebrow{color:var(--teal);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin-bottom:12px}
h1{font-size:clamp(28px,4vw,42px);line-height:1.15;font-weight:800;color:var(--navy);margin-bottom:14px;letter-spacing:-.02em}
.lede{font-size:17px;color:var(--slate);margin-bottom:8px}
.meta{font-size:13px;color:var(--mute);margin-bottom:40px}
h2{font-size:22px;font-weight:700;color:var(--navy);margin:40px 0 12px}
h3{font-size:17px;font-weight:700;color:var(--navy);margin:24px 0 8px}
p{margin:0 0 14px;color:var(--ink)}
ul,ol{margin:0 0 14px 22px}
li{margin-bottom:6px}
.callout{background:var(--bg);border-left:3px solid var(--teal);padding:14px 18px;margin:18px 0;border-radius:0 8px 8px 0;font-size:14px;color:var(--slate)}
.tag{display:inline-block;background:#F0FDFA;color:#0D9488;font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;margin-bottom:18px}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--navy);color:#fff;font-weight:600}
tbody tr:nth-child(even) td{background:var(--bg)}
footer{border-top:1px solid var(--line);background:#06152B;color:#94A3B8;padding:32px 0;text-align:center;font-size:13px}
footer a{color:#5EEAD4}