/* A genuine lesson excerpt, directly playable before the syllabus. */
.lesson-sample-section-v20{background:radial-gradient(ellipse at 90% 10%,#fff9e8 0,transparent 64%),#ede5d5;color:#243b2c;border-block:1px solid #d9d0bb;padding-block:76px;scroll-margin-top:24px}
.lesson-sample-layout-v20{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.5fr);align-items:center;gap:52px}
.lesson-sample-copy-v20{min-width:0}.lesson-sample-copy-v20>.eyebrow{font:11px/1.8 var(--mono);color:#885032;letter-spacing:.055em}
.lesson-sample-copy-v20 h2{font:550 clamp(36px,3.25vw,50px)/1.055 var(--sans);letter-spacing:-.055em;color:#213b2d;margin:23px 0 0}.lesson-sample-copy-v20 h2 em{font:italic 1.1em/1.12 var(--serif);letter-spacing:-.03em;color:#945631}
.lesson-sample-copy-v20>p{font-size:20px;line-height:1.65;color:#56634e;margin-top:24px;max-width:440px}.lesson-sample-copy-v20>p strong{font-weight:550;color:#304832}
.lesson-sample-points-v20{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:11px}.lesson-sample-points-v20 li{display:flex;align-items:center;gap:13px;font-size:17px;line-height:1.5;color:#304832}.lesson-sample-points-v20 li>span{font:11px/1 var(--mono);color:#a0633a;border:1px solid #c9b699;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;flex:none;background:#fff8e9}
.lesson-sample-next-v20{margin-top:28px;font-size:17px;color:#944d26;gap:12px;padding-bottom:7px;border-bottom:1px solid #b98968;display:inline-flex;line-height:1.5}.lesson-sample-next-v20>span{font-size:22px}
.lesson-sample-player-v20{margin:0;min-width:0;background:#f9f5e9;border:1px solid #a9b496;border-radius:12px;overflow:hidden;box-shadow:0 24px 44px -27px #36503866}
.lesson-sample-topline-v20{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;background:#213e30;color:#e7e9cb;font:10px/1.5 var(--mono);letter-spacing:.06em}.lesson-sample-topline-v20>span:first-child{display:flex;align-items:center;gap:9px}.lesson-sample-topline-v20 i{width:7px;height:7px;background:#d6e6a2;border-radius:50%;flex:none}.lesson-sample-topline-v20>span:last-child{border:1px solid #a4b88666;border-radius:4px;padding:3px 7px;white-space:nowrap}
.lesson-sample-stage-v20{position:relative;background:#172e24;aspect-ratio:16/9}.lesson-sample-stage-v20 video{display:block;width:100%;height:100%;object-fit:contain;max-width:100%;background:#172e24}.lesson-sample-stage-v20 video::cue{font-family:Arial,sans-serif;font-size:100%;color:#fff6e3;background:#183327ed}
.lesson-sample-play-v20{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:15px;max-width:calc(100% - 30px);width:max-content;padding:16px 23px 16px 16px;border:1px solid #edf2d499;border-radius:12px;background:#193d2df5;color:#fff0d1;box-shadow:0 8px 40px #172c2555;cursor:pointer;transition:background .18s ease,box-shadow .18s ease;text-align:left}.lesson-sample-play-v20[hidden]{display:none}.lesson-sample-play-v20:hover{background:#29583efb;box-shadow:0 12px 40px #142e2566}.lesson-sample-play-v20:focus-visible{outline:3px solid #ff986b;outline-offset:5px}.lesson-sample-play-icon-v20{width:52px;height:52px;border-radius:50%;background:#e7edc6;color:#254c34;display:grid;place-items:center;flex:none}.lesson-sample-play-icon-v20 svg{width:25px;height:25px;margin-left:1px}.lesson-sample-play-v20 strong{display:block;font:550 21px/1.3 var(--sans);letter-spacing:-.035em}.lesson-sample-play-v20 small{display:block;font:400 13px/1.5 var(--sans);color:#d0dbba;margin-top:4px}
.lesson-sample-caption-v20{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 21px;color:#28452e;border-top:1px solid #b6c0a1}.lesson-sample-caption-v20>span:first-child{min-width:0}.lesson-sample-caption-v20 strong{display:block;font-size:20px;line-height:1.3;letter-spacing:-.025em;font-weight:550}.lesson-sample-caption-v20 small{display:block;font-size:12px;line-height:1.5;color:#647457;margin-top:5px}.lesson-sample-cc-v20{font-size:12px;line-height:1.5;display:flex;align-items:center;gap:8px;white-space:nowrap}.lesson-sample-cc-v20 b{font:600 10px/1 var(--sans);border:1px solid #758b63;border-radius:3px;padding:4px 3px}
.lesson-sample-status-v20{font-size:14px;line-height:1.6;color:#854528;margin:0;padding:0 21px 18px}.lesson-sample-status-v20[hidden]{display:none}
@media(max-width:1150px){.lesson-sample-layout-v20{grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:30px}.lesson-sample-copy-v20 h2{font-size:39px}.lesson-sample-copy-v20>p{font-size:18px}.lesson-sample-points-v20 li{font-size:16px}.lesson-sample-caption-v20{flex-wrap:wrap;gap:10px}.lesson-sample-caption-v20 strong{font-size:18px}.lesson-sample-next-v20{font-size:16px}}
@media(max-width:850px){.lesson-sample-section-v20{padding-block:53px}.lesson-sample-layout-v20{grid-template-columns:1fr;gap:31px}.lesson-sample-copy-v20 h2{font-size:clamp(38px,6.5vw,50px)}.lesson-sample-copy-v20>p{max-width:590px;margin-top:19px}.lesson-sample-points-v20{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}.lesson-sample-points-v20 li{align-items:flex-start;font-size:15px;gap:9px}.lesson-sample-next-v20{margin-top:22px}.lesson-sample-caption-v20{flex-wrap:nowrap}}
@media(max-width:500px){.lesson-sample-section-v20{padding-block:43px}.lesson-sample-copy-v20>.eyebrow{font-size:9px;letter-spacing:.04em}.lesson-sample-copy-v20 h2{font-size:38px;margin-top:19px}.lesson-sample-copy-v20>p{font-size:18px;line-height:1.6}.lesson-sample-points-v20{grid-template-columns:1fr;gap:9px}.lesson-sample-points-v20 li{align-items:center;font-size:16px}.lesson-sample-points-v20 li>span{width:25px;height:25px;font-size:10px}.lesson-sample-next-v20{font-size:16px}.lesson-sample-topline-v20{padding:12px 13px;font-size:8px;gap:7px;letter-spacing:.025em}.lesson-sample-topline-v20>span:first-child{gap:7px}.lesson-sample-topline-v20 i{width:5px;height:5px}.lesson-sample-play-v20{gap:10px;padding:11px 14px 11px 11px;border-radius:9px}.lesson-sample-play-icon-v20{width:40px;height:40px}.lesson-sample-play-icon-v20 svg{width:20px;height:20px}.lesson-sample-play-v20 strong{font-size:17px}.lesson-sample-play-v20 small{font-size:11px;margin-top:2px}.lesson-sample-caption-v20{padding:15px 14px;flex-wrap:wrap;gap:10px}.lesson-sample-caption-v20 strong{font-size:18px}.lesson-sample-caption-v20 small{font-size:11px}.lesson-sample-cc-v20{font-size:11px}}
@media(max-width:370px){.lesson-sample-copy-v20 h2{font-size:34px}.lesson-sample-copy-v20>p{font-size:17px}.lesson-sample-topline-v20{font-size:7px}.lesson-sample-play-v20 strong{font-size:15px}.lesson-sample-play-v20 small{font-size:10px}.lesson-sample-play-icon-v20{width:35px;height:35px}}
@media(prefers-reduced-motion:reduce){.lesson-sample-play-v20{transition:none}}