:root{--vl-ink:#172d2b;--vl-green:#214e47;--vl-muted:#65716c;--vl-cream:#f6f4ed;--vl-paper:#fffdf8;--vl-line:#dce0d5;--vl-sand:#c28558}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.vl-site{margin:0;background:var(--vl-cream);color:var(--vl-ink);font-family:"Trebuchet MS","Segoe UI",sans-serif;line-height:1.6}
.vl-site button,.vl-site input,.vl-site select{font:inherit}
.vl-site button{cursor:pointer}
.vl-site a{color:inherit}
.vl-site button:focus-visible,.vl-site a:focus-visible,.vl-site input:focus-visible,.vl-site select:focus-visible{outline:3px solid #b77948;outline-offset:4px}
.vl-site [hidden]{display:none!important}
.vl-shell{width:min(1160px,calc(100% - 48px));margin-inline:auto}
.vl-main{padding-top:var(--tb-h,64px)}
.vl-skip{position:fixed;top:-100px;left:16px;z-index:2147483647;padding:10px 20px;background:white;border:2px solid var(--vl-green)}
.vl-skip:focus{top:8px}
.vl-intro{padding:32px 0 38px}
.vl-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--vl-muted);margin-bottom:32px}
.vl-breadcrumb a{text-decoration:none}
.vl-intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end}
.vl-eyebrow{display:flex;align-items:center;gap:8px;margin:0 0 13px;color:var(--vl-green);font-size:11px;letter-spacing:.14em;font-weight:800;text-transform:uppercase}
.vl-intro h1{font-family:Georgia,"Palatino Linotype",serif;font-size:clamp(44px,5.3vw,70px);line-height:1.06;letter-spacing:-.045em;margin:0;font-weight:500}
.vl-dot{color:var(--vl-sand)}
.vl-intro-copy{max-width:410px;padding-bottom:5px}
.vl-intro-copy p{font-size:18px;line-height:1.65;color:var(--vl-muted);margin:0 0 20px}
.vl-text-link{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:800;text-decoration:none}
.vl-text-link:hover{text-decoration:underline;text-underline-offset:5px}
.vl-featured{display:grid;grid-template-columns:1.3fr 1fr;overflow:hidden;border:1px solid var(--vl-line);border-radius:20px;background:var(--vl-paper);box-shadow:0 12px 36px #183d2b08}
.vl-featured-media{display:flex;align-items:center;background:#0a1d36;min-width:0}
.vl-poster-button{position:relative;display:block;border:0;padding:0;background:#091b31;color:#fff;width:100%;aspect-ratio:16/9;overflow:hidden}
.vl-poster-button img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.vl-poster-button:hover img{transform:scale(1.025)}
.vl-poster-button:hover .vl-play{transform:translate(-50%,-50%) scale(1.1);background:var(--vl-green)}
.vl-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-content:center;width:64px;height:64px;padding-left:4px;border:1px solid #ffffff80;border-radius:50%;background:#172d2be6;color:#fff;font-size:20px;box-shadow:0 4px 20px #0003;transition:transform .2s,background .2s}
.vl-duration{position:absolute;bottom:12px;right:12px;border-radius:5px;background:#071526e8;color:#fff;padding:2px 7px;font-size:12px;font-weight:700;letter-spacing:.04em}
.vl-featured-copy{padding:28px 32px;align-self:center}
.vl-new-dot{width:7px;height:7px;background:var(--vl-sand);border-radius:50%}
.vl-featured h2{font-family:Georgia,"Palatino Linotype",serif;letter-spacing:-.025em;font-size:clamp(24px,2.7vw,33px);font-weight:500;line-height:1.22;margin:0 0 14px}
.vl-featured-copy>p:not(.vl-eyebrow){font-size:13px;color:var(--vl-muted);margin:0 0 16px;max-width:370px}
.vl-author{display:flex;gap:10px;align-items:center;font-size:12px;margin-bottom:20px}
.vl-author img{border-radius:50%;object-fit:cover;object-position:center 20%;width:36px;height:36px}
.vl-author-role{display:block;font-size:10px;color:var(--vl-muted)}
.vl-primary{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:46px;padding:11px 20px;background:var(--vl-green);border:1px solid var(--vl-green);border-radius:8px;color:#fff!important;font-weight:700;font-size:13px;text-decoration:none;transition:background .2s}
.vl-primary:hover{background:#143b35}
.vl-library{padding:66px 0 64px;scroll-margin-top:85px}
.vl-section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}
.vl-section-heading h2{font-family:Georgia,serif;letter-spacing:-.035em;font-weight:500;font-size:38px;line-height:1.2;margin:0}
.vl-section-heading>p{margin:0 0 3px;font-size:13px;color:var(--vl-muted)}
.vl-categories{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.vl-filter{min-height:44px;border:1px solid var(--vl-line);border-radius:30px;padding:9px 17px;color:var(--vl-green);background:transparent;font-size:12px;font-weight:700;white-space:nowrap}
.vl-filter:hover{border-color:var(--vl-green)}
.vl-filter.is-active{background:var(--vl-green);border-color:var(--vl-green);color:#fff}
.vl-filter-count{font-size:10px;opacity:.7;margin-left:7px}
.vl-tools{display:flex;justify-content:space-between;align-items:end;gap:20px;padding:0 0 24px;border-bottom:1px solid var(--vl-line)}
.vl-search{position:relative;display:flex;align-items:center;flex:1;max-width:390px;min-width:0;height:46px;background:var(--vl-paper);border:1px solid var(--vl-line);border-radius:8px}
.vl-search-icon{font-size:27px;line-height:1;padding-left:14px;transform:rotate(-15deg);color:var(--vl-muted)}
.vl-search input{width:100%;min-width:0;background:none;border:none;padding:10px 34px 10px 10px;font-size:13px;color:var(--vl-ink)}
.vl-search input::-webkit-search-cancel-button{display:none}
.vl-search button{position:absolute;right:3px;top:3px;min-width:38px;min-height:38px;border:none;background:none;color:var(--vl-muted);font-size:23px}
.vl-selects{display:flex;gap:14px}
.vl-selects label{display:grid;gap:3px}
.vl-selects label>span{font-size:10px;color:var(--vl-muted)}
.vl-selects select{border:1px solid var(--vl-line);border-radius:7px;background:var(--vl-paper);padding:10px 26px 10px 11px;min-height:44px;font-size:12px;color:var(--vl-ink);max-width:220px}
.vl-results-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:26px 0 20px}
.vl-results-heading h3{font-size:16px;margin:0;font-weight:700}
.vl-results-heading>span{font-size:12px;color:var(--vl-muted)}
.vl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.vl-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--vl-line);border-radius:14px;overflow:hidden;background:var(--vl-paper);transition:transform .2s,box-shadow .2s}
.vl-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px #214e4710}
.vl-card-media{position:relative;width:100%;aspect-ratio:16/9;background:#111917;overflow:hidden}
.vl-card-media button{display:block;width:100%;height:100%;border:0;padding:0;background:transparent;color:#fff;position:relative}
.vl-card-media img{height:100%;width:100%;object-fit:cover;display:block}
.vl-card[data-kind=explanation] .vl-card-media img{object-fit:cover}
.vl-card .vl-play{width:44px;height:44px;font-size:15px;opacity:0;transition:opacity .2s}
.vl-card:hover .vl-play,.vl-card:focus-within .vl-play{opacity:1}
.vl-card-body{display:flex;flex-direction:column;flex:1;padding:19px 20px 17px}
.vl-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 9px;font-size:10px;color:var(--vl-muted)}
.vl-card-category{font-weight:700;color:var(--vl-green)}
.vl-card h4{font-size:18px;line-height:1.35;letter-spacing:-.015em;margin:0 0 9px;font-weight:700}
.vl-title-button{border:0;padding:0;color:inherit;text-align:left;background:none;font-weight:inherit;font-size:inherit;line-height:inherit}
.vl-title-button:hover{text-decoration:underline;text-underline-offset:3px}
.vl-card-description{font-size:12px;line-height:1.7;color:var(--vl-muted);margin:0 0 20px}
.vl-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:12px;border-top:1px solid var(--vl-line)}
.vl-card-kind{font-size:10px;color:var(--vl-muted)}
.vl-card-action{border:0;padding:3px 0;background:none;color:var(--vl-green);font-size:12px;font-weight:800;min-height:32px;white-space:nowrap}
.vl-empty{text-align:center;padding:44px 20px;border:1px dashed var(--vl-line);border-radius:12px}
.vl-empty>span{font-size:46px;color:var(--vl-muted)}
.vl-empty h3{font-size:20px;margin:10px 0}
.vl-empty p{font-size:14px;color:var(--vl-muted)}
.vl-secondary{border:1px solid var(--vl-green);border-radius:8px;min-height:44px;padding:10px 18px;background:transparent;color:var(--vl-green);font-size:13px;font-weight:700}
.vl-loading{grid-column:1/-1;padding:24px;text-align:center}
.vl-load-more{text-align:center;margin-top:30px}
.vl-load-more:has(button[hidden]){display:none}
.vl-next{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;padding:38px 42px;background:#e9ede2;border-radius:18px;margin-bottom:72px;border:1px solid #dbe1d2}
.vl-next h2{font-family:Georgia,serif;font-weight:500;font-size:34px;letter-spacing:-.03em;line-height:1.2;margin:0 0 14px}
.vl-next p{font-size:13px;color:var(--vl-muted);margin:0;max-width:490px}
.vl-next-actions{display:flex;flex-direction:column;gap:15px;align-items:flex-start;justify-self:end}
.vl-next-actions>.vl-text-link{font-size:11px}
.vl-next-actions>p{font-size:11px}
.vl-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.vl-dialog{padding:0;width:min(1080px,calc(100% - 40px));max-height:calc(100dvh - 40px);border:1px solid var(--vl-line);border-radius:16px;background:var(--vl-paper);color:var(--vl-ink);overflow:auto;box-shadow:0 24px 80px #0004}
.vl-dialog::backdrop{background:#0a1815cc;backdrop-filter:blur(6px)}
.vl-dialog-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;gap:15px}
.vl-dialog-header>p{margin:0;font-size:12px;color:var(--vl-muted)}
.vl-dialog-header button{width:44px;height:44px;border:none;background:none;font-size:30px;color:var(--vl-ink)}
.vl-player{aspect-ratio:16/9;width:100%;background:#000}
.vl-player video,.vl-player iframe{display:block;width:100%;height:100%;border:0;object-fit:contain}
.vl-dialog-body{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;padding:24px}
.vl-dialog-body:not(:has(.vl-chapters:not([hidden]))){grid-template-columns:1fr}
.vl-dialog-copy h2{font-size:24px;line-height:1.3;letter-spacing:-.025em;margin:0 0 14px}
.vl-dialog-copy>p{font-size:14px;color:var(--vl-muted);margin:0 0 14px}
#dialog-author{font-size:12px;color:var(--vl-muted)}
.vl-dialog-links{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:18px;font-size:12px}
.vl-dialog-links a{color:var(--vl-green);font-weight:700;text-underline-offset:3px}
.vl-chapters{border-left:1px solid var(--vl-line);padding-left:24px;min-width:0}
.vl-chapters h3{font-size:16px;margin:0 0 10px}
.vl-chapters ol{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.vl-chapters button{display:grid;grid-template-columns:44px 1fr;gap:8px;align-items:start;text-align:left;width:100%;padding:8px;border:0;border-radius:6px;background:none;color:var(--vl-ink);font-size:12px;line-height:1.4;min-height:40px}
.vl-chapters button:hover,.vl-chapters button.is-active{background:#e9ede2}
.vl-chapters time{font-weight:800;color:var(--vl-green);font-variant-numeric:tabular-nums}
@media(min-width:769px){.vl-site .tb-menu{gap:14px}.vl-site .tb-link{font-size:14px}}
@media(max-width:1000px){.vl-featured-copy{padding:24px}.vl-featured h2{font-size:27px}.vl-featured{grid-template-columns:1.15fr 1fr}.vl-intro-grid{gap:30px}.vl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vl-tools{align-items:stretch}.vl-selects{gap:8px}.vl-selects select{max-width:190px}}
@media(max-width:768px){.vl-shell{width:calc(100% - 32px)}.vl-intro{padding:22px 0 26px}.vl-breadcrumb{margin-bottom:26px}.vl-intro-grid{grid-template-columns:1fr;gap:20px}.vl-intro h1{font-size:50px}.vl-intro-copy{max-width:100%;padding:0}.vl-intro-copy p{font-size:16px;margin-bottom:12px}.vl-featured{grid-template-columns:1fr;border-radius:14px}.vl-featured-copy{padding:24px}.vl-featured h2{font-size:30px}.vl-featured h2 br{display:none}.vl-featured h2 br:after{content:" "}.vl-featured-copy>p:not(.vl-eyebrow){max-width:100%}.vl-featured-media{aspect-ratio:16/9}.vl-featured-copy .vl-primary{width:100%}.vl-library{padding:44px 0}.vl-section-heading{display:block;margin-bottom:22px}.vl-section-heading h2{font-size:33px}.vl-section-heading>p{margin-top:12px;font-size:12px}.vl-filter{padding:9px 13px;font-size:11px}.vl-tools{display:block}.vl-search{max-width:none}.vl-selects{margin-top:14px;gap:12px}.vl-selects label{flex:1;min-width:0}.vl-selects select{width:100%;max-width:none;font-size:11px}.vl-grid{gap:16px}.vl-card-body{padding:16px}.vl-card-meta{flex-wrap:wrap;gap:3px}.vl-card h4{font-size:16px}.vl-card-bottom{align-items:start;flex-direction:column;gap:2px}.vl-next{grid-template-columns:1fr;padding:28px 24px;gap:24px;margin-bottom:44px}.vl-next h2{font-size:30px}.vl-next-actions{justify-self:start}.vl-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);border-radius:10px}.vl-dialog-body{grid-template-columns:1fr;padding:20px;gap:20px}.vl-chapters{border-left:0;border-top:1px solid var(--vl-line);padding:20px 0 0}.vl-dialog-copy h2{font-size:21px}}
@media(max-width:520px){.vl-grid{grid-template-columns:1fr}.vl-card-bottom{flex-direction:row;align-items:center}.vl-card h4{font-size:19px}.vl-card-meta{flex-wrap:nowrap}.vl-card .vl-play{opacity:1}.vl-card-body{padding:18px 20px}.vl-results-heading h3{font-size:14px}.vl-intro h1{font-size:46px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.vl-site *{transition:none!important}}
/* Dedicated pages for full-length videos. */
.vl-card-media a{display:block;width:100%;height:100%;position:relative}
.vl-title-button,.vl-card-action{text-decoration:none}
.vl-detail-head{padding:32px 0 25px}
.vl-detail-head h1{font-family:Georgia,serif;font-size:clamp(32px,4.1vw,54px);font-weight:500;letter-spacing:-.035em;line-height:1.13;max-width:930px;margin:0 0 18px}
.vl-detail-lead{font-size:17px;line-height:1.7;color:var(--vl-muted);max-width:800px;margin:0 0 20px}
.vl-detail-author{width:fit-content;text-decoration:none;margin:0;font-size:13px}
.vl-detail-author img{width:44px;height:44px}
.vl-watch .vl-player{overflow:hidden;border-radius:16px;border:1px solid var(--vl-line)}
.vl-watch-links{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;margin:16px 0 0;font-size:13px;font-weight:700}
.vl-watch-links a{color:var(--vl-green);text-underline-offset:4px}
.vl-detail-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:65px;padding:55px 0}
.vl-detail-layout:not(:has(aside)){grid-template-columns:minmax(0,800px)}
.vl-video-description h2,.vl-detail-chapters h2{font-family:Georgia,serif;font-size:32px;font-weight:500;letter-spacing:-.025em;line-height:1.2;margin:0 0 22px}
.vl-video-description p{font-size:16px;line-height:1.8;margin:0 0 18px;color:#44564f}
.vl-video-description h3{font-size:19px;line-height:1.4;margin:28px 0 14px}
.vl-video-description ul{padding-left:22px;margin:0;font-size:15px;color:#44564f}
.vl-video-description li{padding-left:5px;margin-bottom:10px}
.vl-detail-chapters h2{font-size:24px}
.vl-related{margin-bottom:60px}
.vl-related .vl-card h3{font-size:19px;line-height:1.35;margin:0 0 10px}
.vl-related .vl-card h3 a{text-decoration:none}
.vl-related .vl-card h3 a:hover{text-decoration:underline}
.vl-related-author{margin:auto 0 0;font-size:11px;color:var(--vl-muted)}
@media(max-width:768px){.vl-detail-head{padding:25px 0}.vl-detail-head h1{font-size:34px}.vl-detail-lead{font-size:15px}.vl-watch .vl-player{border-radius:10px}.vl-watch-links{font-size:12px}.vl-detail-layout{grid-template-columns:1fr;gap:30px;padding:36px 0}.vl-video-description h2{font-size:28px}.vl-video-description p{font-size:15px}.vl-related{margin-bottom:40px}}
.vl-related .vl-card h3 a,.vl-title-button{display:block}

.vl-detail-site .vl-player{scroll-margin-top:calc(var(--tb-h,64px) + 16px)}
.vl-chapters button{min-height:44px}
@media(max-width:768px){.vl-search input,.vl-selects select{font-size:16px}}
@media(max-width:400px){.vl-selects{flex-direction:column}.vl-selects label{width:100%}}
@media(min-width:769px) and (max-width:1000px){.vl-site .tb-inner{gap:12px}.vl-site .tb-menu{gap:6px}.vl-site .tb-link{font-size:13px;padding-inline:6px;white-space:nowrap}.vl-site .tb-link[href*="/book"]{padding-inline:10px}}
@media(min-width:769px) and (max-width:1000px){.vl-site .tb-link{display:inline-flex;align-items:center;min-height:44px}}
@media(min-width:769px) and (max-width:800px){.vl-site .tb-menu{gap:4px}}