@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:200 800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;src:url(../fonts/bricolage-grotesque.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;src:url(../fonts/ibm-plex-sans.woff2) format('woff2')}
:root {
  color-scheme: only light;
  --display: 'Bricolage Grotesque', 'Arial Black', system-ui, sans-serif;
  --body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --em-900: #04261d; --em-800: #07382b; --em-700: #0b4b39;
  --mint: #54f5be; --mint-wash: #d3f8e8; --ground: #f1f4f0;
  --ink: #0a1f18; --ink-2: #43544d; --ink-3: #5c6b65;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 400 15px/1.5 var(--body); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
h1, h2, p { margin: 0; }
a { color: var(--em-700); text-decoration: none; touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible, video:focus-visible { outline: 3px solid #08764f; outline-offset: 4px; border-radius: 8px; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; z-index: 5; top: -80px; left: 12px; padding: 12px 18px; border-radius: 10px; background: #fff; font-weight: 700; }
.skip-link:focus { top: 12px; }
.learn-shell { max-width: 560px; margin: 0 auto; padding: 0 16px 28px; }
.learn-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 -16px; padding: calc(env(safe-area-inset-top) + 15px) 16px 17px; border-radius: 0 0 26px 26px; background: linear-gradient(160deg,var(--em-900),var(--em-700)); color: #fff; }
.learn-brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: #fff; font: 800 24px/1 var(--display); letter-spacing: -.035em; }
.learn-brand svg { width: 38px; height: 38px; }
.learn-brand:hover { text-decoration: none; }
.learn-help { display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-height: 44px; padding: 0 12px; border-radius: 999px; background: rgba(255,255,255,.1); color: #fff; font: 600 12.5px/1.2 var(--body); }
.learn-header a:focus-visible { outline-color: #fff; }
.learn-intro { padding: 27px 0 20px; text-align: center; }
.learn-eyebrow { margin-bottom: 10px; font: 700 10px/1.3 var(--body); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-3); }
.learn-intro h1 { font: 800 40px/.98 var(--display); letter-spacing: -.045em; text-wrap: balance; }
.learn-description { margin-top: 12px; color: var(--ink-2); font-size: 14px; }
.learn-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; margin-top: 13px; font: 600 11px/1.2 var(--body); color: var(--em-700); }
.learn-meta span { padding: 6px 9px; border-radius: 999px; background: var(--mint-wash); }
.learn-chapters-shortcut { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: 6px; font-size: 12px; font-weight: 600; }
.learn-player { margin: 0; }
.learn-bank { margin: 0 0 22px; padding: 18px; border: 1px solid #d4e8dc; border-radius: 14px; background: #fff; }
.learn-bank-label { display: block; margin-bottom: 7px; color: var(--em-700); font: 700 10px/1.3 var(--body); letter-spacing: .04em; text-transform: uppercase; }
.learn-bank h2 { font: 800 22px/1.15 var(--display); letter-spacing: -.025em; }
.learn-bank p { margin-top: 9px; color: var(--ink-2); font-size: 13px; line-height: 1.55; }
.learn-bank .learn-bank-policy { font-size: 11px; color: var(--ink-3); }
.learn-bank a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: 4px; font-size: 12px; font-weight: 700; }
.learn-video-frame { max-width: 300px; margin: 0 auto; padding: 5px; border: 1px solid rgba(255,255,255,.15); border-radius: 23px; background: var(--em-900); box-shadow: 0 18px 36px -22px rgba(4,38,29,.5); overflow: hidden; }
.learn-video-frame video { display: block; width: 100%; height: auto; aspect-ratio: 9 / 16; border-radius: 18px; background: #021b15; object-fit: contain; }
.learn-video-note { max-width: 28em; margin: 15px auto 0; font-size: 12px; line-height: 1.45; color: var(--ink-2); text-align: center; }
.learn-playback-status { margin-top: 8px; text-align: center; color: var(--em-700); font-size: 12px; }
.learn-playback-status:empty { display: none; }
.learn-chapters { margin-top: 30px; scroll-margin-top: 20px; }
.learn-chapters h2 { font: 800 27px/1.12 var(--display); letter-spacing: -.035em; text-wrap: balance; }
.learn-chapters-note { margin-top: 9px; color: var(--ink-2); font-size: 13px; }
.learn-chapters ol { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.learn-chapters li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 10px; padding: 18px 16px; border-radius: 18px; background: #fff; box-shadow: 0 1px 2px rgba(4,38,29,.07); scroll-margin-top: 20px; }
.learn-chapter-number { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 9px; background: var(--mint-wash); font-weight: 700; font-size: 12px; color: var(--em-700); }
.learn-chapter-content { min-width: 0; }
.learn-chapter-content h3 { margin: 2px 0 8px; font: 800 20px/1.15 var(--display); letter-spacing: -.025em; }
.learn-chapter-content p { color: var(--ink-2); font-size: 13px; line-height: 1.55; }
.learn-chapter-play { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 8px; min-height: 44px; margin-top: 12px; padding: 9px 12px; border: 1px solid #d4e8dc; border-radius: 10px; background: #eff8f2; color: var(--em-700); font: 600 12px/1.3 var(--body); cursor: pointer; touch-action: manipulation; }
.learn-chapter-play:hover, .learn-chapter-play[aria-current] { background: var(--mint-wash); border-color: #9ee1bd; }
.learn-chapter-play[aria-busy] { opacity: .75; }
.learn-chapter-time { font-variant-numeric: tabular-nums; color: var(--ink-3); font-size: 11px; }
.learn-chapter-content noscript a { display: block; padding: 12px 0; font-size: 12px; text-decoration: underline; }
.learn-resources { margin-top: 24px; padding: 20px; border-radius: 21px; background: var(--em-800); color: #fff; }
.learn-resources h2 { font: 800 23px/1.1 var(--display); letter-spacing: -.03em; }
.learn-resources p { margin-top: 7px; color: #d8ebe2; font-size: 13px; }
.learn-resource-links { display: grid; grid-template-columns: 1.2fr 1fr; gap: 10px; margin-top: 16px; }
.learn-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 48px; padding: 10px 14px; border-radius: 12px; font: 700 13px/1.25 var(--body); }
.learn-button-gold { background: linear-gradient(180deg,#ffd767,#fcc53a); color: #352500; }
.learn-button-light { background: rgba(255,255,255,.12); box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); color: #fff; }
.learn-button:hover { text-decoration: none; filter: brightness(1.05); }
.learn-resources a:focus-visible { outline-color: #fff; }
:is(.learn-transcript, .learn-narration) { margin-top: 18px; border-radius: 17px; background: #fff; box-shadow: 0 1px 2px rgba(4,38,29,.07); }
:is(.learn-transcript, .learn-narration) summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 54px; padding: 15px 18px; font: 600 14px/1.3 var(--body); color: var(--em-700); cursor: pointer; list-style: none; }
:is(.learn-transcript, .learn-narration) summary::-webkit-details-marker { display: none; }
:is(.learn-transcript, .learn-narration) summary span { font-size: 21px; line-height: 1; transition: transform 120ms ease; }
:is(.learn-transcript, .learn-narration)[open] summary span { transform: rotate(45deg); }
.learn-transcript-body { padding: 0 18px 18px; font-size: 13px; color: var(--ink-2); }
:is(.learn-transcript, .learn-narration) ol { list-style: none; margin: 0; padding: 0; }
:is(.learn-transcript, .learn-narration) li { display: grid; grid-template-columns: 40px 1fr; gap: 10px; padding: 11px 0; border-top: 1px solid #e3ebe5; }
.learn-cue-time, .learn-narration-time { font-size: 11px; font-weight: 600; color: var(--em-700); font-variant-numeric: tabular-nums; }
.learn-app-link { display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; margin-top: 16px; font-weight: 600; font-size: 13px; }
.learn-footer { padding-top: 15px; font-size: 11px; color: var(--ink-3); text-align: center; }
@media (min-width: 560px) { body { background: #dfe6df; } .learn-shell { background: var(--ground); min-height: 100vh; box-shadow: 0 0 0 1px rgba(4,38,29,.06); } }
@media (max-width: 359px) { .learn-resource-links { grid-template-columns: 1fr; } .learn-intro h1 { font-size: 36px; } .learn-resources { padding: 18px; } }
@media (max-width: 319px) { .learn-header { gap: 8px; } .learn-brand { gap: 7px; font-size: 21px; } .learn-brand svg { width: 34px; height: 34px; } .learn-help { padding: 0 9px; font-size: 11px; } .learn-eyebrow { font-size: 9px; letter-spacing: .035em; } .learn-description { font-size: 13px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media (forced-colors: active) { .learn-header, .learn-video-frame, .learn-meta span, .learn-resources, .learn-button, :is(.learn-transcript, .learn-narration) { outline: 1px solid CanvasText; } }