/* Zain Al-Itqan brand */
:root{
  --z-primary:#006475;--z-primary-600:#004E5B;--z-accent:#1FA89F;--z-gold:#B8892E;
  --z-bg:#F7F5EF;--z-surface:#FFFFFF;--z-soft:#EAF3F2;--z-text:#1D2B2E;--z-muted:#5C6B6E;--z-border:#E3DED2;
  --z-ok:#2E7D4F;--z-ok-soft:#E3F2E8;--z-bad:#B3261E;--z-bad-soft:#FBE7E5;--z-warn:#9A6B00;--z-warn-soft:#FFF4D6;
  --z-radius:14px;--z-head:"Amiri",serif;--z-body:"IBM Plex Sans Arabic",Tahoma,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --z-primary:#3FB8C4;--z-primary-600:#2A9AA6;--z-accent:#4CC9BE;--z-gold:#D9AE5B;
  --z-bg:#0E1A1C;--z-surface:#16262A;--z-soft:#1C3237;--z-text:#E8EFEF;--z-muted:#9DB0B2;--z-border:#27393D;
  --z-ok:#6FCF97;--z-ok-soft:#173528;--z-bad:#FF8A80;--z-bad-soft:#3A1B19;--z-warn:#F2C14E;--z-warn-soft:#3A2F12;color-scheme:dark}}
:root[data-theme=dark]{
  --z-primary:#3FB8C4;--z-primary-600:#2A9AA6;--z-accent:#4CC9BE;--z-gold:#D9AE5B;
  --z-bg:#0E1A1C;--z-surface:#16262A;--z-soft:#1C3237;--z-text:#E8EFEF;--z-muted:#9DB0B2;--z-border:#27393D;
  --z-ok:#6FCF97;--z-ok-soft:#173528;--z-bad:#FF8A80;--z-bad-soft:#3A1B19;--z-warn:#F2C14E;--z-warn-soft:#3A2F12;color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--z-bg);color:var(--z-text);font:16px/1.8 var(--z-body);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--z-primary)}
h1,h2,h3{font-family:var(--z-head);line-height:1.35;margin:.2em 0 .4em}
.z-top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:var(--z-surface);border-bottom:1px solid var(--z-border)}
.z-logo img{display:block;height:40px;width:auto}
:root[data-theme=dark] .z-logo img{filter:brightness(1.6) saturate(.8)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .z-logo img{filter:brightness(1.6) saturate(.8)}}
.z-top nav{display:flex;flex-wrap:wrap;gap:4px;align-items:center;justify-content:flex-end}
.z-top nav a,.z-theme{font:600 .85rem var(--z-body);color:var(--z-text);text-decoration:none;padding:6px 10px;border-radius:999px;border:0;background:none;cursor:pointer}
.z-top nav a:hover,.z-theme:hover{background:var(--z-soft);color:var(--z-primary)}
.z-wrap{width:100%;max-width:1100px;margin:0 auto;padding:20px 16px 48px;flex:1}
.z-foot{text-align:center;color:var(--z-muted);font-size:.8rem;padding:16px}
.z-hero{background:linear-gradient(135deg,var(--z-primary),var(--z-accent));color:#fff;border-radius:var(--z-radius);padding:28px 24px;margin-bottom:20px}
.z-hero h1{font-size:2rem;color:#fff}
.z-hero .z-eyebrow{color:#e6fffb}
.z-hero .z-btn{background:#fff;color:var(--z-primary-600)}
.z-eyebrow{font-size:.8rem;font-weight:600;color:var(--z-gold);margin:0}
.z-h2{color:var(--z-primary);margin-top:24px}
.z-card{background:var(--z-surface);border:1px solid var(--z-border);border-radius:var(--z-radius);padding:18px 20px;margin-bottom:16px}
.z-card h3{color:var(--z-primary);font-size:1.25rem}
.z-card ul{margin:0;padding-inline-start:20px}
.z-center{text-align:center;max-width:620px;margin-inline:auto}
.z-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.z-grid .z-card{margin:0}
.z-course{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}
@media(max-width:760px){.z-course{grid-template-columns:1fr}}
.z-lecs{margin:0;padding-inline-start:26px;list-style:arabic-indic}
.z-lecs li{padding:3px 0;border-bottom:1px dashed var(--z-border)}
.z-pdfs{grid-column:1/-1}
.z-pdfs summary{cursor:pointer;font-weight:600;color:var(--z-primary)}
.z-btn{display:inline-block;background:var(--z-primary);color:#fff;border:0;border-radius:999px;padding:9px 20px;font:600 .95rem var(--z-body);text-decoration:none;cursor:pointer}
.z-btn:hover{background:var(--z-primary-600)}
.z-btn:disabled{opacity:.5;cursor:default}
.z-btn.z-ghost{background:transparent;color:var(--z-primary);border:2px solid var(--z-primary)}
.z-btn.z-gold{background:var(--z-gold)}
.z-btn.z-small{padding:5px 12px;font-size:.82rem}
.z-chip{display:inline-block;font-size:.75rem;padding:1px 9px;border-radius:999px;background:var(--z-ok-soft);color:var(--z-ok);text-decoration:none;margin-inline-start:6px}
.z-muted{color:var(--z-muted)}
.z-ok{color:var(--z-ok);font-weight:600}
.z-bar{height:9px;background:var(--z-soft);border-radius:9px;overflow:hidden}
.z-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--z-accent),var(--z-primary));border-radius:9px}
.z-row{display:flex;gap:8px;flex-wrap:wrap}
input,select,textarea{font:inherit;color:var(--z-text);background:var(--z-bg);border:1px solid var(--z-border);border-radius:10px;padding:8px 12px;max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--z-accent);outline-offset:1px}
.z-cert{background:#fffdf7;color:#1D2B2E;border:3px double #B8892E;border-radius:16px;padding:40px 28px;text-align:center;max-width:820px;margin:0 auto}
.z-cert h1{font-size:2.6rem;color:#006475;margin:.2em 0}
.z-cert-name{font:700 2rem var(--z-head);color:#8a1f2b;margin:10px 0;border-bottom:1px solid #e3d8bd;display:inline-block;padding:0 30px 6px}
@media print{.z-top,.z-foot,.z-noprint{display:none!important}body{background:#fff}.z-wrap{padding:0}.z-cert{border-width:4px}}
@media(max-width:560px){.z-top{padding:6px 10px}.z-logo img{height:32px}.z-top nav a,.z-theme{padding:5px 7px;font-size:.8rem}.z-hero{padding:22px 18px}.z-hero h1{font-size:1.6rem}}
.z-card ol{list-style:arabic-indic;padding-inline-start:26px}
.z-top nav a.z-navcta{background:var(--z-primary);color:#fff}.z-top nav a.z-navcta:hover{background:var(--z-primary-600);color:#fff}