.lrn{background:var(--black);color:var(--fg)}.lrn-hero{border-bottom:1px solid var(--border);padding:clamp(44px,5.8vw,88px) 0 clamp(30px,3.6vw,48px)}.lrn-hero .grid{grid-template-columns:minmax(0,1fr) clamp(280px,30%,400px);align-items:end;gap:clamp(28px,4vw,72px);display:grid}.lrn-hero h1{font-family:var(--font-display);text-transform:uppercase;letter-spacing:var(--tr-mega);margin:0;font-size:clamp(44px,7.4vw,116px);font-weight:700;line-height:.9}.lrn-hero h1 .ln{display:block}.lrn-hero h1 .dim{color:var(--fg-2)}.lrn-hero .standfirst{font-size:var(--t-lg);line-height:var(--lh-snug);letter-spacing:var(--tr-snug);color:var(--fg-1);max-width:44ch;margin:0 0 4px;font-weight:500}.lrn-hero .standfirst .cancel{color:var(--fg-3)}@media (max-width:900px){.lrn-hero .grid{grid-template-columns:1fr;gap:28px}}.fmt{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-2);white-space:nowrap;align-items:center;gap:7px;font-size:10px;display:inline-flex}.fmt svg{stroke:currentColor;stroke-width:2px;stroke-linecap:square;stroke-linejoin:miter;fill:none;flex:none;width:13px;height:13px}.fmt.watch svg .pf{fill:currentColor;stroke:none}.lrn-lib{padding:clamp(34px,4.6vw,64px) 0 clamp(56px,7vw,96px)}.lrn-section+.lrn-section{margin-top:clamp(40px,5vw,72px)}.lrn-shead{border-top:2px solid var(--rule);grid-template-columns:clamp(80px,9vw,132px) 1fr;align-items:center;gap:clamp(18px,3vw,40px);margin-bottom:clamp(20px,3vw,32px);padding-top:16px;display:grid}.lrn-shead.nonum{grid-template-columns:1fr}.lrn-shead .sn{font-family:var(--font-display);letter-spacing:var(--tr-tight);color:#0000;-webkit-text-stroke:1.6px var(--n-600);font-variant-numeric:tabular-nums;font-size:clamp(48px,6.4vw,104px);font-weight:700;line-height:.78}.lrn-shead .st h2{font-family:var(--font-display);text-transform:uppercase;letter-spacing:var(--tr-tight);margin:0;font-size:clamp(24px,3.2vw,44px);font-weight:700;line-height:.96}.lrn-cards{grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,30px);display:grid}.lrn-card{color:var(--fg);border-top:1px solid var(--border);transition:border-color var(--dur-fast) var(--ease);flex-direction:column;gap:13px;padding-top:14px;text-decoration:none;display:flex}.lrn-card:hover{border-top-color:var(--cyan)}.lrn-card .media{aspect-ratio:16/10;background-position:50%;background-size:cover;background-color:var(--n-850);filter:grayscale()contrast(1.08);transition:filter var(--dur-fast) var(--ease);position:relative}.lrn-card:hover .media{filter:none}.lrn-card .media .play{background:var(--fg);color:#000;place-items:center;width:38px;height:38px;display:grid;position:absolute;bottom:12px;left:12px}.lrn-card .media .play svg{fill:currentColor;width:14px;height:14px}.lrn-card .cmeta{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.lrn-card h3{font-family:var(--font-display);letter-spacing:-.015em;margin:0;font-size:21px;font-weight:700;line-height:1.06}.lrn-card:hover h3{text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}.lrn-card .blurb{font-size:var(--t-sm);line-height:var(--lh-snug);color:var(--fg-2);margin:0}.lrn-card .cfoot{align-items:center;gap:12px;margin-top:auto;padding-top:4px;display:flex}.lrn-card .cfoot .rt{font-family:var(--font-display);letter-spacing:-.005em;color:var(--fg-2);font-size:12.5px;font-weight:500}@media (max-width:1040px){.lrn-cards{grid-template-columns:repeat(2,1fr)}}@media (max-width:620px){.lrn-cards{grid-template-columns:1fr}.lrn-shead{grid-template-columns:64px 1fr}}.lrn-shead .st .gs{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3);margin-top:8px;font-size:11px;display:block}.lrn-explainer{margin-bottom:clamp(40px,5vw,72px)}.lrn-feat{color:var(--fg);border-top:2px solid var(--rule);grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;gap:clamp(24px,3.6vw,56px);padding-top:clamp(18px,2.4vw,28px);text-decoration:none;display:grid}.lrn-feat .media{aspect-ratio:16/10;background-position:50%;background-size:cover;background-color:var(--n-850);filter:grayscale()contrast(1.08);transition:filter var(--dur-fast) var(--ease);position:relative}.lrn-feat:hover .media{filter:none}.lrn-feat .media .play{background:var(--fg);color:#000;place-items:center;width:42px;height:42px;display:grid;position:absolute;bottom:14px;left:14px}.lrn-feat .media .play svg{fill:currentColor;width:15px;height:15px}.lrn-feat .body{flex-direction:column;gap:12px;display:flex}.lrn-feat .eyebrow{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-size:11px}.lrn-feat h3{font-family:var(--font-display);text-transform:uppercase;letter-spacing:var(--tr-tight);margin:0;font-size:clamp(26px,3.4vw,46px);font-weight:700;line-height:.98}.lrn-feat:hover h3{text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:1.5px}.lrn-feat .blurb{font-size:var(--t-md);line-height:var(--lh-snug);color:var(--fg-1);max-width:48ch;margin:0}.lrn-feat .rt{font-family:var(--font-display);color:var(--fg-2);font-size:13px;font-weight:500}@media (max-width:820px){.lrn-feat{grid-template-columns:1fr;gap:20px}}.lrn-decgrid{grid-template-columns:repeat(2,1fr);gap:clamp(16px,2vw,24px);display:grid}.lrn-deccard{color:var(--fg);border-top:1px solid var(--border);transition:border-color var(--dur-fast) var(--ease);flex-direction:column;gap:9px;padding:16px 0 18px;text-decoration:none;display:flex;position:relative}.lrn-deccard:hover{border-top-color:var(--cyan)}.lrn-deccard .dn{font-family:var(--font-mono);letter-spacing:.12em;color:var(--fg-3);font-variant-numeric:tabular-nums;font-size:12px;font-weight:500}.lrn-deccard h3{font-family:var(--font-display);text-transform:uppercase;letter-spacing:var(--tr-tight);margin:0;font-size:clamp(20px,2.4vw,30px);font-weight:700;line-height:1}.lrn-deccard:hover h3{text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}.lrn-deccard .strap{font-size:var(--t-sm);line-height:var(--lh-snug);color:var(--fg-2);max-width:46ch;margin:0}@media (max-width:620px){.lrn-decgrid{grid-template-columns:1fr}}