/* FDX_ACADEMY_PUBLIC — قشرة الأكاديمية العامة فوق know.css (الهوية: مرجاني #FF5A3C + كحلي #121D40).
   لا تلمس أنماط القارئ (.rd-*) ولا الكتل (.bk-*) ولا الشهادة (.cert) — تُعاد من know.css كما هي. */
body.ac{display:block;background:#F6F5F1}
.ac-top{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;padding:10px clamp(14px,3vw,36px);
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.ac-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:none}
.ac-brand:hover{text-decoration:none}
.ac-mark{width:40px;height:40px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center}
.ac-mark svg{width:28px;height:28px}
.ac-brand-t{font-weight:800;font-size:16px;line-height:1.2}
.ac-brand-t em{display:block;font-style:normal;font-weight:500;font-size:11px;color:var(--ink-3);letter-spacing:.4px}
.ac-nav{display:flex;gap:4px;flex:1;min-width:0}
.ac-nav a{padding:8px 13px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:14px;white-space:nowrap}
.ac-nav a:hover{background:var(--line-2);text-decoration:none}
.ac-nav a.on{background:var(--orange-soft);color:var(--orange)}
.ac-who{display:flex;align-items:center;gap:10px;flex:none}
.ac-who .who-av{width:34px;height:34px;border-radius:50%;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:700}
.ac-who .who-txt{display:flex;flex-direction:column;line-height:1.3;font-size:12.5px;color:var(--ink-2)}
.ac-who .who-txt b{color:var(--ink);font-size:13.5px}
.ac-main{min-height:60vh}
.ac-view{max-width:1120px;margin:0 auto;padding:22px clamp(14px,3vw,30px) 72px}
@media(max-width:760px){.ac-nav{display:none}.ac-who .who-txt{display:none}}

/* الشريط السفلي في الجوال: يعاد استعمال .tabbar من know.css لكنه مخفي في الويب */
.ac-tabbar{display:none}
@media(max-width:760px){.ac-tabbar{display:flex}}

/* ── الافتتاحية ── */
.ac-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:28px;align-items:center;
  background:linear-gradient(135deg,#121D40 0%,#27397A 100%);color:#fff;border-radius:22px;padding:clamp(24px,4vw,46px);
  margin-bottom:26px;position:relative;overflow:hidden}
.ac-hero::before{content:"";position:absolute;inset:auto -80px -120px auto;width:360px;height:360px;border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.18)}
.ac-kicker{font-size:12px;letter-spacing:.2em;color:#FFB9A8;font-weight:700;text-transform:uppercase;direction:ltr;display:inline-block}
.ac-hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.3;margin:10px 0 12px;font-weight:800}
.ac-hero h1 em{font-style:normal;color:#FF7A5F}
.ac-hero p{font-size:16.5px;line-height:1.85;color:#DDE1F0;max-width:36em;margin:0 0 18px}
.ac-hero .row .btn{font-size:15px;padding:11px 20px}
.ac-hero .btn.light{background:#fff;border-color:#fff;color:var(--purple)}
.ac-hero .btn.light:hover{background:#F2F2F7}
.ac-hero .btn.outline{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.ac-hero-art{position:relative;z-index:1}
.ac-hero-art svg{width:100%;height:auto;display:block;max-width:420px;margin-inline:auto}
.ac-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:30px}
.ac-stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.ac-stat b{display:block;font-size:26px;line-height:1.2;color:var(--purple)}
.ac-stat span{font-size:12.5px;color:var(--ink-3)}
@media(max-width:820px){.ac-hero{grid-template-columns:minmax(0,1fr)}.ac-hero-art{display:none}}
@media(max-width:480px){.ac-stats{grid-template-columns:minmax(0,1fr)}}

/* ── الرفوف ── */
.ac-shelf{margin-bottom:34px}
.ac-shelf-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.ac-shelf-h h2{font-size:21px;margin:0}
.ac-shelf-h span{font-size:13px;color:var(--ink-3)}
.ac-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.ac-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;color:var(--ink);transition:transform .15s,box-shadow .15s;min-width:0}
.ac-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 14px 34px -22px rgba(18,29,64,.45)}
.ac-cov{aspect-ratio:1200/630;background:#FAF9F5;border-bottom:1px solid var(--line)}
.ac-cov img,.ac-cov svg{width:100%;height:100%;object-fit:cover;display:block}
.ac-card-b{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.ac-card h3{font-size:17px;margin:4px 0 0;line-height:1.45}
.ac-card p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.75}
.ac-chips{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12.5px;color:var(--ink-3);align-items:center;margin-top:auto;padding-top:6px}
.ac-chips .ic{width:15px;height:15px}
.ac-card .btn{align-self:flex-start;margin-top:6px}
.ac-soon{opacity:.75}
.ac-soon .ac-cov{display:grid;place-items:center;color:var(--ink-3);font-size:13px}

/* ── كيف تعمل ── */
.ac-how{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:34px}
.ac-how > div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px}
.ac-how .n{font-size:12px;color:var(--orange);font-weight:700;letter-spacing:.1em}
.ac-how b{font-size:15px}
.ac-how p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.7}
.ac-how .ic{width:26px;height:26px;color:var(--purple)}
@media(max-width:820px){.ac-how{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.ac-how{grid-template-columns:minmax(0,1fr)}}

/* ── المسارات ── */
.ac-tracks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.ac-track{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.ac-track .hd{display:flex;gap:12px;align-items:center}
.ac-track .hd .ic{width:26px;height:26px;color:var(--orange);flex:none}
.ac-track .hd span{font-size:12px;color:var(--orange);font-weight:700;display:block}
.ac-track h3{margin:0;font-size:18px}
.ac-track ul{margin:0;padding-inline-start:18px;font-size:14px;color:var(--ink-2);line-height:1.8}
.ac-track.soon{border-style:dashed;background:transparent}
@media(max-width:760px){.ac-tracks{grid-template-columns:minmax(0,1fr)}}

/* ── المعاينة (بلا دخول) ── */
.ac-prev-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px;align-items:center;margin-bottom:20px}
.ac-prev-hero .cov{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#FAF9F5;aspect-ratio:1200/630}
.ac-prev-hero .cov img{width:100%;height:100%;object-fit:cover;display:block}
.ac-prev-hero h1{font-size:clamp(24px,3.6vw,34px);margin:8px 0 10px;line-height:1.35}
.ac-prev-hero .lede{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin:0 0 12px}
.ac-prev{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}
.ac-index{position:sticky;top:76px}
.ac-index h4{margin:0 0 10px;font-size:13px;color:var(--ink-3)}
.ac-index ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.ac-index li{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;font-size:13.5px;line-height:1.5}
.ac-index li.open{background:var(--orange-soft);font-weight:600}
.ac-index li .ic{width:16px;height:16px;flex:none;margin-top:3px;color:var(--ink-3)}
.ac-index li .n{flex:none;width:22px;height:22px;border-radius:50%;background:var(--line-2);display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--ink-2)}
.ac-index li.open .n{background:var(--orange);color:#fff}
.ac-index small{display:block;color:var(--ink-3);font-size:11.5px}
.ac-gate{background:linear-gradient(135deg,#121D40,#27397A);color:#fff;border-radius:18px;padding:26px 28px;margin-top:22px;
  display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.ac-gate .ic{width:34px;height:34px;color:#FF7A5F;flex:none}
.ac-gate b{display:block;font-size:17px;margin-bottom:4px}
.ac-gate p{margin:0;color:#DDE1F0;font-size:14px;line-height:1.75}
.ac-gate .btn{margin-inline-start:auto;font-size:15px;padding:11px 20px}
@media(max-width:860px){.ac-prev{grid-template-columns:minmax(0,1fr)}.ac-index{position:static}.ac-prev-hero{grid-template-columns:minmax(0,1fr)}}

/* ── فيديو مضمَّن ── */
.ac-embed{position:relative;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:#000;margin:0 0 10px}
.ac-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.ac-embed-btn{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:linear-gradient(180deg,rgba(18,29,64,.2),rgba(18,29,64,.7));
  color:#fff;cursor:pointer;border:0;font-family:inherit;font-size:15px;font-weight:700;gap:10px}
.ac-embed-btn .ic{width:54px;height:54px;stroke:#fff;fill:none;stroke-width:1.4}
.ac-embed-btn small{display:block;font-weight:400;font-size:12.5px;opacity:.85}

/* ── التحقّق ── */
.ac-verify{max-width:620px;margin:0 auto}
.ac-verify form{display:flex;gap:10px;margin:14px 0 18px;flex-wrap:wrap}
.ac-verify input{flex:1;min-width:220px;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-sm);font:inherit;
  direction:ltr;text-align:left;font-family:ui-monospace,Menlo,monospace}
.ac-vres{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:14.5px;margin:0}
.ac-vres dt{color:var(--ink-3)}.ac-vres dd{margin:0;font-weight:600}

/* ── شهادة الأكاديمية (تستبدل بطاقة قسم المعرفة) ── */
.cert.ac-cert .cert-top div span{color:var(--ink-3)}
.ac-cert .cert-qr{display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:18px}
.ac-cert .cert-qr svg{width:92px;height:92px}
.ac-cert .cert-qr small{font-size:11px;color:var(--ink-3);direction:ltr}
.ac-cert .cert-foot b{direction:ltr;unicode-bidi:isolate}
@media print{.ac-top,.ac-foot,.ac-tabbar{display:none!important}}

/* ── الذيل ── */
.ac-foot{background:#121D40;color:#C9CFE4;margin-top:40px}
.ac-foot-in{max-width:1120px;margin:0 auto;padding:30px clamp(14px,3vw,30px);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px}
.ac-foot b{color:#fff;font-size:16px;display:block;margin-bottom:6px}
.ac-foot p{margin:0;font-size:13.5px;line-height:1.8;max-width:40em}
.ac-foot-links{display:flex;flex-direction:column;gap:8px;font-size:14px}
.ac-foot-links a{color:#fff}
@media(max-width:700px){.ac-foot-in{grid-template-columns:minmax(0,1fr)}}