/* ===== Courage Academy ===== */
.ac{--ac-red:#E3261C;--ac-blue:#3D6BFF;--ac-card:#0E0E0E;--ac-line:#1F1F1F;--ac-mute:#9A9A9A}
.ac-top{padding-block:clamp(28px,5vw,56px) 8px}
.ac-brand{font-family:'Karantina',sans-serif;font-weight:700;font-size:clamp(46px,7vw,84px);line-height:.9;margin:0;letter-spacing:.5px}
.ac-brand span{color:var(--ac-red)}
.ac-sub{color:#BDBDBD;font-size:18px;margin:10px 0 0;max-width:60ch}
.ac-prog{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:26px;background:var(--ac-card);border:1px solid var(--ac-line);border-radius:14px;padding:18px 20px}
.ac-prog-t{flex:1;min-width:220px}
.ac-prog-t b{font-size:17px;font-weight:800}
.ac-prog-t small{display:block;color:var(--ac-mute);font-size:14px;margin-top:2px}
.ac-bar{height:6px;background:#222;border-radius:99px;overflow:hidden;margin-top:10px}
.ac-bar i{display:block;height:100%;background:var(--ac-blue);border-radius:99px}
.ac-go{flex:none}
.ac-mods{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;padding-block:22px 64px}
.ac-mod{display:flex;flex-direction:column;gap:10px;background:var(--ac-card);border:1px solid var(--ac-line);border-radius:14px;padding:18px;color:#fff;transition:border-color .15s}
.ac-mod:hover{border-color:#3a3a3a;color:#fff}
.ac-mod-n{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--ac-mute)}
.ac-mod-t{font-family:'Karantina',sans-serif;font-size:40px;line-height:.9}
.ac-mod-m{color:var(--ac-mute);font-size:14px;font-variant-numeric:tabular-nums}
.ac-mod .ac-bar{margin-top:auto}
.ac-mod.done .ac-mod-n{color:var(--ac-blue)}

/* lesson page */
.ac-crumb{display:inline-block;margin-block:22px 14px;color:#BDBDBD;font-weight:700;font-size:15px}
.ac-crumb:hover{color:#fff}
.ac-lesson{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start;padding-bottom:64px}
.ac-player{position:relative;aspect-ratio:16/9;max-width:100%;background:#111;border:1px solid var(--ac-line);border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--ac-mute)}
.ac-player .pl{width:64px;height:64px;border-radius:50%;background:var(--ac-red);display:flex;align-items:center;justify-content:center}
.ac-player small{font-size:14px}
.ac-meta{margin-top:16px}
.ac-meta .ac-mod-n{display:block}
.ac-meta h1{font-family:'Karantina',sans-serif;font-size:clamp(40px,5vw,58px);line-height:.95;margin:6px 0 0}
.ac-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.ac-nav .btn{min-width:110px}
.btn.ac-ghost{background:transparent;border:1px solid #333;color:#fff}
.btn.ac-ghost[aria-disabled="true"]{opacity:.35;pointer-events:none}
.ac-done{display:inline-flex;align-items:center;gap:10px;margin-top:18px;background:none;border:1px solid #333;border-radius:12px;padding:12px 16px;color:#fff;font:inherit;font-weight:800;font-size:15px;cursor:pointer}
.ac-done .ck{width:20px;height:20px;border-radius:6px;border:2px solid #555;display:inline-flex;align-items:center;justify-content:center;font-size:13px;line-height:1}
.ac-done.on{border-color:var(--ac-blue)}
.ac-done.on .ck{background:var(--ac-blue);border-color:var(--ac-blue)}
.ac-text{color:#BDBDBD;font-size:17px;line-height:1.65;margin-top:18px;max-width:65ch}
.ac-side{background:var(--ac-card);border:1px solid var(--ac-line);border-radius:14px;padding:14px;position:sticky;top:90px}
.ac-side h2{font-family:'Karantina',sans-serif;font-size:32px;line-height:1;margin:4px 6px 10px}
.ac-side small{display:block;color:var(--ac-mute);font-size:13px;margin:0 6px 10px}
.ac-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.ac-list a{display:flex;align-items:center;gap:12px;padding:10px;border-radius:10px;color:#ddd;font-size:15px}
.ac-list a:hover{background:#161616;color:#fff}
.ac-list a.cur{background:#1a1a1a;color:#fff;box-shadow:inset -3px 0 0 var(--ac-red)}
.ac-list .no{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid #333;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--ac-mute)}
.ac-list a.ok .no{background:var(--ac-blue);border-color:var(--ac-blue);color:#fff}
.ac-list .tt{flex:1;min-width:0}
.ac-list .du{flex:none;color:var(--ac-mute);font-size:13px;font-variant-numeric:tabular-nums}
@media(max-width:900px){
  .ac-lesson{grid-template-columns:minmax(0,1fr)}
  .ac-side{position:static}
}
/* rtl-align */
.ac-brand,.ac-mod-t,.ac-side h2{text-align:right}