/* CA Bundals — Learn: hub and module pages. Loaded after landing.css and site/chrome.css. */
.ln-hero{padding:72px 0 40px}
.ln-hero .lead{max-width:700px}
.ln-facts{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 10px}
.ln-facts li{font-size:14px;font-weight:600;color:#3A4154;background:#F4F6FA;border-radius:999px;padding:7px 14px}
.ln-band{background:#F4F6FA;padding:44px 0 72px}
.ln-sumrow{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px}
.ln-sumrow h2{margin:0;font-size:26px;font-weight:800;letter-spacing:-.6px}
.ln-sumrow span{font-size:14.5px;color:#5B6275;font-weight:600}
.ln-mods{display:flex;flex-direction:column;gap:16px}
.ln-mod{display:grid;grid-template-columns:56px 340px minmax(0,1fr);gap:26px;align-items:center;background:#fff;border:1px solid #E6E9F0;border-radius:20px;padding:22px 26px 22px 18px;transition:box-shadow .25s,transform .25s}
.ln-mod:hover{box-shadow:0 22px 44px -28px rgba(31,36,51,.4);transform:translateY(-2px)}
.ln-num{font-size:44px;font-weight:800;letter-spacing:-2px;color:#C5CDDC;text-align:center;font-variant-numeric:tabular-nums;line-height:1}
.ln-thumb{position:relative;display:block;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#EEF2F9;box-shadow:0 0 0 1px #E0E5EE}
.ln-poster{position:absolute;inset:0;pointer-events:none}
.ln-poster.lv-host{aspect-ratio:auto;width:100%;height:100%}
.ln-playmark{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px 0 0 -28px;border-radius:50%;background:#1A56DB;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 8px rgba(26,86,219,.16),0 14px 26px -10px rgba(26,86,219,.8);transition:transform .3s cubic-bezier(.3,1.5,.5,1)}
.ln-playmark svg{margin-left:3px}
.ln-mod:hover .ln-playmark{transform:scale(1.1)}
.ln-thumb::after{content:'';position:absolute;inset:0;background:rgba(244,246,250,.18)}
.ln-thumb .ln-playmark,.ln-thumb .ln-soon{z-index:1}
.ln-soon{position:absolute;left:12px;bottom:12px;background:#1F2433;color:#fff;font-size:12.5px;font-weight:700;padding:5px 11px;border-radius:999px}
.ln-icons{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:20px}
.ln-icons .mx{mix-blend-mode:multiply}
.ln-mbody{min-width:0;display:flex;flex-direction:column;gap:8px}
.ln-mtop{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ln-k{font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#1A56DB}
.ln-plan{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;color:#5B6275;background:#F2F4F8;border-radius:999px;padding:3px 10px 3px 8px}
.ln-plan svg{width:12px;height:12px}
.ln-mod h2{margin:0;font-size:25px;font-weight:800;letter-spacing:-.6px;line-height:1.2}
.ln-mod h2 a{color:#1F2433;text-decoration:none}
.ln-mod h2 a:hover{color:#1A56DB}
.ln-meta{margin:0;font-size:14px;font-weight:600;color:#5B6275}
.ln-desc{margin:0;font-size:15.5px;line-height:1.6;color:#3A4154;max-width:660px}
.ln-mfoot{display:flex;align-items:center;gap:14px;margin-top:6px;flex-wrap:wrap}
.ln-view{height:44px;padding:0 20px;font-size:15px}
.ln-seen{font-size:13.5px;font-weight:600;color:#067647}
.ln-after{padding:56px 0 80px}

/* module page */
.ln-mhead{padding:36px 0 22px;display:flex;flex-direction:column;gap:10px}
.ln-crumb{display:flex;gap:8px;font-size:14px;font-weight:600;color:#7A8194}
.ln-crumb a{text-decoration:none}
.ln-mhead h1{margin:0;font-size:44px;font-weight:800;letter-spacing:-1.4px;line-height:1.1}
.ln-lead{margin:0;font-size:17.5px;line-height:1.6;color:#5B6275;max-width:820px}
.ln-stagewrap{background:#F4F6FA;padding:28px 0 36px}
.ln-stage{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.ln-player{min-width:0}
.ln-list{background:#fff;border:1px solid #E6E9F0;border-radius:18px;padding:14px 10px 10px;min-width:0}
.ln-list-h{display:flex;justify-content:space-between;align-items:baseline;padding:2px 10px 10px}
.ln-list-h b{font-size:16px}.ln-list-h span{font-size:12.5px;font-weight:600;color:#067647}
.ln-list ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.ln-ch{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;min-height:58px;padding:8px 10px;border:0;border-radius:12px;background:none;text-align:left;font-family:inherit;color:#1F2433;cursor:pointer;transition:background .2s}
.ln-ch:hover{background:#F4F6FA}
.ln-ch:focus-visible{outline:2px solid #1A56DB;outline-offset:-2px}
.ln-ch-n{width:28px;height:28px;border-radius:50%;background:#F2F4F8;color:#5B6275;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.ln-ch-t b{display:block;font-size:14.5px;font-weight:700;line-height:1.3}
.ln-ch-t small{display:block;font-size:12.5px;color:#5B6275;line-height:1.35;margin-top:1px}
.ln-ch-d{font-size:12.5px;font-weight:600;color:#7A8194;font-variant-numeric:tabular-nums}
.ln-ch.on{background:#EEF3FD}
.ln-ch.on .ln-ch-n{background:#1A56DB;color:#fff}
.ln-ch.on .ln-ch-t b{color:#1A56DB}
.ln-ch.done .ln-ch-n{background:#0E9F6E;color:#fff;font-size:0}
.ln-ch.done .ln-ch-n::after{content:'';width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}
.ln-ch.soon{cursor:default;color:#7A8194}
.ln-ch.soon:hover{background:none}
.ln-ch.soon .ln-ch-t b{font-weight:600}
.ln-ch.soon .ln-ch-n{background:none;box-shadow:inset 0 0 0 1.5px #D5DAE3}
.ln-list-note{margin:8px 10px 4px;font-size:12.5px;line-height:1.5;color:#5B6275}
.ln-keys{margin:12px 2px 0;font-size:13px;color:#7A8194}
.ln-keys kbd{font:600 12px 'Plus Jakarta Sans',system-ui,sans-serif;background:#fff;border:1px solid #D5DAE3;border-bottom-width:2px;border-radius:6px;padding:1px 7px;color:#3A4154}
.ln-more{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:22px;padding:44px 0 20px}
.ln-more h2{margin:0 0 14px;font-size:24px;font-weight:800;letter-spacing:-.5px}
.ln-help{background:#F4F6FA;border-radius:18px;padding:24px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.ln-help h2{margin:0}
.ln-help p{margin:0;font-size:15px;line-height:1.6;color:#5B6275}
.ln-try{font-size:14.5px;font-weight:700;text-decoration:none}
.ln-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px 0 72px}
.ln-pn{display:flex;flex-direction:column;gap:3px;border:1px solid #E6E9F0;border-radius:16px;padding:16px 20px;text-decoration:none;color:#1F2433;transition:border-color .2s,box-shadow .2s}
.ln-pn:hover{border-color:#1A56DB;color:#1F2433;box-shadow:0 14px 28px -20px rgba(26,86,219,.6)}
.ln-pn small{font-size:12.5px;font-weight:600;color:#5B6275}
.ln-pn b{font-size:17px;font-weight:700}
.ln-pn.nx{text-align:right}
.ln-empty{position:relative;aspect-ratio:16/9;border-radius:18px;background:#fff;border:1px solid #E6E9F0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center}
.ln-empty .ln-icons{position:static;padding:0 0 8px}
.ln-empty b{font-size:20px}
.ln-empty p{margin:0 0 6px;max-width:460px;font-size:15px;line-height:1.6;color:#5B6275}

@media (max-width:1100px){
  .ln-mod{grid-template-columns:44px 280px minmax(0,1fr);gap:20px}
  .ln-stage{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:900px){
  .ln-stage{grid-template-columns:minmax(0,1fr)}
  .ln-mod{grid-template-columns:minmax(0,1fr);gap:14px;padding:16px;position:relative}
  .ln-num{position:absolute;left:28px;top:28px;z-index:2;width:38px;height:38px;border-radius:50%;background:#fff;color:#1F2433;font-size:17px;letter-spacing:0;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px -6px rgba(31,36,51,.4)}
  .ln-more{grid-template-columns:minmax(0,1fr)}
  .ln-keys{display:none}
}
@media (max-width:640px){
  .ln-hero{padding:44px 0 28px}
  .ln-band{padding:28px 0 48px}
  .ln-sumrow{flex-direction:column;gap:4px}
  .ln-mod h2{font-size:22px}
  .ln-desc{font-size:15px}
  .ln-view{width:100%}
  .ln-mhead{padding:24px 0 16px}
  .ln-mhead h1{font-size:31px;letter-spacing:-.8px}
  .ln-lead{font-size:16px}
  .ln-stagewrap{padding:16px 0 24px}
  .ln-stagewrap .wrap{padding:0 16px}
  .ln-nav{grid-template-columns:minmax(0,1fr);padding-bottom:48px}
  .ln-pn.nx{text-align:left}
  .ln-more{padding-top:32px}
}