:root{--bg:#f6f8f7;--surface:#fff;--soft:#edf5f3;--text:#172522;--muted:#5c6c67;--accent:#0b6b63;--accent-strong:#07564f;--accent-soft:#d9eeea;--border:#dce6e2;--shadow:0 14px 38px rgba(19,55,47,.065);--header:rgba(246,248,247,.9);--focus:#c56b13}
:root[data-theme="dark"]{color-scheme:dark;--bg:#101715;--surface:#18221f;--soft:#1d302b;--text:#edf5f1;--muted:#b3c2bc;--accent:#70d0c1;--accent-strong:#91e0d2;--accent-soft:#203d36;--border:#31433c;--shadow:0 14px 38px rgba(0,0,0,.2);--header:rgba(16,23,21,.9);--focus:#f1b45e}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#101715;--surface:#18221f;--soft:#1d302b;--text:#edf5f1;--muted:#b3c2bc;--accent:#70d0c1;--accent-strong:#91e0d2;--accent-soft:#203d36;--border:#31433c;--shadow:0 14px 38px rgba(0,0,0,.2);--header:rgba(16,23,21,.9);--focus:#f1b45e}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:"Tajawal","Segoe UI",Tahoma,Arial,sans-serif;font-size:16px;line-height:1.9;overflow-wrap:anywhere}html[lang=en] body{font-family:Inter,"Segoe UI",Arial,sans-serif;line-height:1.8}a{color:var(--accent)}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.wrap{width:min(1060px,calc(100% - 36px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:30;background:var(--header);border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.header-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:10px}.brand{color:var(--text);text-decoration:none;font-size:1.08rem;font-weight:900;white-space:nowrap}.brand span{color:var(--accent)}.nav{display:flex;align-items:center;justify-content:flex-end;gap:8px 15px;flex-wrap:wrap}.nav a{color:var(--muted);font-size:.9rem;text-decoration:none;font-weight:750}.nav a:hover,.nav a[aria-current=page]{color:var(--accent)}.nav .lang-switch{padding:4px 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface)}.theme-toggle{min-height:36px;padding:5px 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font:inherit;font-size:.82rem;cursor:pointer}.hero{padding:62px 0 50px;background:radial-gradient(circle at 10% 0%,var(--accent-soft),transparent 34%)}.eyebrow{display:inline-block;padding:5px 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--accent);font-size:.84rem;font-weight:850}.hero h1{max-width:850px;margin:14px 0 12px;font-size:clamp(2rem,4.8vw,3.25rem);line-height:1.3;letter-spacing:-.03em}.hero p{max-width:790px;margin:0;color:var(--muted);font-size:1.08rem}.content{padding:44px 0 76px}.section-head{max-width:760px;margin-bottom:24px}.section-head h2{margin:0 0 7px;font-size:1.55rem;line-height:1.4}.section-head p{margin:0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.card{display:flex;flex-direction:column;min-width:0;padding:22px;border:1px solid var(--border);border-radius:17px;background:var(--surface);box-shadow:var(--shadow)}.card .tag,.tag{display:inline-flex;align-self:flex-start;padding:4px 9px;border-radius:7px;background:var(--accent-soft);color:var(--accent-strong);font-size:.78rem;font-weight:850}.card h2,.card h3{margin:12px 0 8px;font-size:1.17rem;line-height:1.55}.card h2 a,.card h3 a{color:var(--text);text-decoration:none}.card h2 a:hover,.card h3 a:hover{color:var(--accent)}.card p{margin:0;color:var(--muted);font-size:.94rem;flex:1}.meta{display:flex;gap:8px 14px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:.82rem}.read-more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-weight:850;text-decoration:none}.note{margin-top:28px;padding:18px 20px;border:1px solid var(--border);border-radius:14px;background:var(--soft);color:var(--muted)}.breadcrumbs{margin:24px 0 16px;color:var(--muted);font-size:.88rem}.breadcrumbs a{color:var(--accent);text-decoration:none}.article-hero{padding:32px 0 22px}.article-hero h1{max-width:900px;margin:12px 0;font-size:clamp(2rem,4.5vw,3.05rem);line-height:1.35;letter-spacing:-.025em}.article-hero .lead{max-width:850px;margin:0;color:var(--muted);font-size:1.13rem}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:34px;align-items:start;padding-bottom:72px}.article-body{min-width:0;padding:28px 32px;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}.article-body h2{margin:30px 0 10px;font-size:1.5rem;line-height:1.45;scroll-margin-top:95px}.article-body h3{margin:22px 0 7px;font-size:1.13rem}.article-body p{margin:0 0 15px}.article-body ul,.article-body ol{padding-inline-start:25px;margin:8px 0 18px}.article-body li{margin:7px 0}.article-body a{font-weight:700}.article-body strong{color:var(--text)}.toc{position:sticky;top:92px;padding:19px;border:1px solid var(--border);border-radius:15px;background:var(--surface)}.toc h2{margin:0 0 9px;font-size:1rem}.toc ol{margin:0;padding-inline-start:21px}.toc li{margin:7px 0;font-size:.88rem}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{color:var(--accent)}.callout{margin:22px 0;padding:17px 19px;border-inline-start:4px solid var(--accent);border-radius:10px;background:var(--soft)}.checklist{padding:17px 20px;border:1px solid var(--border);border-radius:13px;background:var(--soft)}.cta{margin:28px 0 0;padding:22px;border:1px solid var(--border);border-radius:15px;background:linear-gradient(135deg,var(--surface),var(--soft))}.cta h2{margin-top:0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;margin-top:8px;padding:9px 17px;border-radius:10px;background:var(--accent);color:#fff;text-decoration:none;font-weight:850}.related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:22px}.related a{display:block;padding:15px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);text-decoration:none;font-weight:800}.related span{display:block;color:var(--muted);font-size:.8rem;font-weight:500}footer{padding:24px 0;border-top:1px solid var(--border);color:var(--muted);font-size:.88rem}footer a{margin-inline:5px;color:var(--accent);text-decoration:none;font-weight:750}
@media(max-width:850px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr}.toc{position:static;order:-1}.nav{gap:7px 11px}}
@media(max-width:600px){.wrap{width:min(100% - 26px,1060px)}.header-inner{align-items:flex-start;flex-direction:column}.nav{justify-content:flex-start}.hero{padding:44px 0 36px}.cards{grid-template-columns:1fr}.article-body{padding:22px 18px}.related{grid-template-columns:1fr}.content{padding-top:32px}}