/* /work/business-nous/ laid out as Business Nous's own course player
   (businessnous-site/assets/app.css): Poppins headings with tight tracking, Inter body,
   ink #141B2E, cobalt #3457F0, amber #FFC24B, neutral #F4F4F6. Scoped under .cs-nous. */
.cs-nous{--ink:#141B2E;--cobalt:#3457F0;--amber:#FFC24B;--slate:#6A7180;--bone2:#F4F4F6;--ink80:#3a4258;
  --line:#E4E5E9;--line2:#EEEFF2;--green:#2f9e56;
  background:#fff;color:var(--ink);font:400 16.5px/1.62 'Inter',system-ui,sans-serif;border-bottom:1px solid var(--line)}
.cs-nous *{box-sizing:border-box}
.cs-nous h1,.cs-nous h2,.cs-nous h3{font-family:'Poppins',system-ui,sans-serif;font-weight:800;line-height:1.1;letter-spacing:-.035em;
  color:var(--ink);max-width:none;margin:0 0 .45em}
.cs-nous h1{font-size:clamp(38px,4.4vw,58px)}
.cs-nous h2{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.03em}
.cs-nous h3{font-size:18px;font-weight:700;letter-spacing:-.02em}
.cs-nous p{margin:0 0 1em;color:var(--ink80)}
.cs-nous img{display:block;max-width:100%;height:auto}
.cs-nous figure{margin:0}
.cs-nous figcaption{font-size:13px;color:var(--slate);margin-top:10px}

/* the player: sidebar of lessons, main lesson column */
.cs-nous .layout{display:grid;grid-template-columns:330px minmax(0,1fr);max-width:1440px;margin:0 auto}
.cs-nous .side{border-right:1px solid var(--line);background:#fff}
.cs-nous .sticky{position:sticky;top:76px;padding:36px 26px 30px}
.cs-nous .track{font-family:'Poppins',sans-serif;font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cobalt);margin:0 0 6px}
.cs-nous .ctitle{font-family:'Poppins',sans-serif;font-weight:700;font-size:21px;color:var(--ink);letter-spacing:-.02em;margin:0 0 18px}
.cs-nous .prog{display:flex;justify-content:space-between;font-size:13.5px;color:var(--slate)}
.cs-nous .prog b{color:var(--ink);font-weight:600}
.cs-nous .pbar{height:6px;border-radius:6px;background:var(--line2);margin:8px 0 26px;overflow:hidden}
.cs-nous .pbar i{display:block;width:50%;height:100%;background:var(--cobalt);border-radius:6px}
.cs-nous .sess{font-family:'Poppins',sans-serif;font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);margin:0 0 6px;padding-top:18px;border-top:1px solid var(--line)}
.cs-nous .side ol{list-style:none;margin:0 -26px;padding:0}
.cs-nous .side li a{display:flex;align-items:center;gap:12px;padding:10px 26px;text-decoration:none;color:var(--ink);font-size:15px}
.cs-nous .side li a:hover{background:var(--bone2)}
.cs-nous .side li i{width:18px;height:18px;border-radius:50%;border:1.5px solid #c7cdde;flex:none;position:relative}
.cs-nous .side li.done i{background:var(--green);border-color:var(--green)}
.cs-nous .side li.done i::after{content:"";position:absolute;left:5px;top:2px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.cs-nous .side li.now a{background:#eef1fe;box-shadow:inset 3px 0 0 var(--cobalt);font-weight:600}
.cs-nous .side li.now i{border-color:var(--cobalt);border-width:2px}
.cs-nous .side li span{flex:1}
.cs-nous .side li em{font-style:normal;font-size:12.5px;color:var(--slate)}
.cs-nous .visit{display:block;margin-top:24px;background:var(--cobalt);color:#fff;text-align:center;text-decoration:none;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:15px;padding:12px 18px;border-radius:8px}
.cs-nous .visit:hover{background:#2444d8}

.cs-nous .main{padding:40px 56px 72px;background:#fafafb;min-width:0}
.cs-nous .main>*{max-width:900px}
.cs-nous .crumb{font-size:14px;color:var(--slate);margin-bottom:10px}
.cs-nous .meta{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:14.5px;color:var(--slate);margin-bottom:34px}
.cs-nous section.les{padding:0 0 64px;margin:0 0 64px;border-bottom:1px solid var(--line);position:static}
.cs-nous section.les:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.cs-nous .lno{font-family:'Poppins',sans-serif;font-weight:700;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cobalt);margin:0 0 8px}
.cs-nous .player{margin:0 0 40px;max-width:1040px}
.cs-nous .player img{border-radius:16px;border:1px solid var(--line);box-shadow:0 24px 50px -28px rgba(20,27,46,.35)}
.cs-nous .wide{margin:28px 0;max-width:1040px}
.cs-nous .wide img{border-radius:12px;border:1px solid var(--line)}

.cs-nous .tracks{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:6px 0 4px}
.cs-nous .tracks span{border:1.5px solid var(--line);background:#fff;border-radius:999px;text-align:center;padding:9px 12px;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:14.5px;color:var(--ink)}
.cs-nous .tracks span:first-child{background:var(--ink);border-color:var(--ink);color:#fff}

/* the extractor: before and after, the one component used nowhere else */
.cs-nous .extract{display:grid;grid-template-columns:1fr 54px 1.6fr;gap:16px;align-items:stretch;margin:26px 0 8px}
.cs-nous .col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.cs-nous .col.on{border-color:var(--cobalt);box-shadow:0 0 0 3px #e4e9fe}
.cs-nous .col .h{font-family:'Poppins',sans-serif;font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);margin:0 0 10px}
.cs-nous .cnt{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.cs-nous .cnt b{font-family:'Poppins',sans-serif;font-size:46px;font-weight:800;line-height:1;letter-spacing:-.04em}
.cs-nous .col.on .cnt b{color:var(--cobalt)}
.cs-nous .cnt span{font-size:14px;color:var(--slate)}
.cs-nous .lines{display:flex;flex-direction:column;gap:7px}
.cs-nous .lines i{height:10px;border-radius:5px;background:#d9dce4;display:block}
.cs-nous .lines i.s{width:70%}
.cs-nous .lines.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
.cs-nous .lines i.f{background:#c9d3fb}
.cs-nous .arrow2{display:grid;place-items:center;font-size:30px;color:var(--amber);font-weight:700}
.cs-nous .cap{font-size:13px;color:var(--slate)}
.cs-nous .test{margin-top:22px;border-left:4px solid var(--amber);background:#fffaf0;border-radius:0 12px 12px 0;padding:16px 22px;color:var(--ink80)}
.cs-nous .test b{color:var(--ink)}

.cs-nous .three{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0 4px}
.cs-nous .three>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 22px 8px}
.cs-nous .three p{font-size:15px}
.cs-nous .ic{display:block;width:42px;height:42px;border-radius:10px;margin-bottom:14px;position:relative;background:#eef1fe}
.cs-nous .ic::after{content:"";position:absolute;inset:11px;border-radius:3px}
.cs-nous .ic.wb::after{border:2px solid var(--cobalt);border-left-width:6px}
.cs-nous .ic.vd{background:#fff4dc}
.cs-nous .ic.vd::after{inset:12px 12px 12px 15px;border-radius:0;border-style:solid;border-width:9px 0 9px 14px;border-color:transparent transparent transparent #d99a12}
.cs-nous .ic.ct::after{border-radius:50%;border:2px solid var(--cobalt);box-shadow:inset 0 0 0 4px #eef1fe,inset 0 0 0 9px var(--cobalt)}

.cs-nous .stack{font-size:13.5px;color:var(--slate)}
.cs-nous .nextl{display:flex;align-items:center;gap:16px;margin-top:30px;background:var(--cobalt);color:#fff;text-decoration:none;
  border-radius:12px;padding:20px 24px;max-width:560px}
.cs-nous .nextl:hover{background:#2444d8}
.cs-nous .nextl span{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;opacity:.85}
.cs-nous .nextl b{font-family:'Poppins',sans-serif;font-weight:700;font-size:22px;letter-spacing:-.02em}
.cs-nous .nextl i{margin-left:auto;font-style:normal;width:40px;height:40px;border-radius:50%;background:var(--amber);color:var(--ink);
  display:grid;place-items:center;font-size:14px;padding-left:3px}

@media (max-width:980px){
  .cs-nous .layout{grid-template-columns:1fr}
  .cs-nous .side{border-right:0;border-bottom:1px solid var(--line)}
  .cs-nous .sticky{position:static;padding:26px 20px 22px}
  .cs-nous .side ol{margin:0 -20px}
  .cs-nous .side li a{padding:9px 20px}
  .cs-nous .main{padding:32px 20px 56px}
  .cs-nous section.les{padding-bottom:48px;margin-bottom:48px}
  .cs-nous .tracks{grid-template-columns:1fr 1fr}
  .cs-nous .tracks span{font-size:13px;padding:8px 8px}
  .cs-nous .extract{grid-template-columns:1fr;gap:10px}
  .cs-nous .arrow2{transform:rotate(90deg);height:30px}
  .cs-nous .three{grid-template-columns:1fr}
  .cs-nous .nextl{flex-wrap:wrap;gap:4px 12px;position:relative;padding-right:76px}
  .cs-nous .nextl span{flex-basis:100%}
  .cs-nous .nextl b{font-size:20px}
  .cs-nous .nextl i{position:absolute;right:20px;top:50%;transform:translateY(-50%)}
}