:root{color-scheme:light;--ink:#183a38;--muted:#536b68;--line:#d9e5dd;--green:#206557;--bg:#f6f7ef}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--green);text-underline-offset:3px}button,select,input,summary{font:inherit}button,select,summary,a{touch-action:manipulation}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #c06b26;outline-offset:4px}header{max-width:1240px;margin:auto;padding:22px 32px;display:flex;gap:25px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink)}header nav{display:flex;gap:18px;flex-wrap:wrap;margin-inline-start:auto}header label{font-size:.9rem}select{max-width:100%;border:1px solid var(--line);background:white;color:var(--ink);padding:8px 12px;border-radius:10px}main,footer{max-width:1180px;margin:auto;padding:0 30px}.hero{padding:64px 0 32px;max-width:850px}.eyebrow{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--green);font-weight:700}h1{font-size:clamp(2.3rem,5vw,4rem);line-height:1.14;letter-spacing:-.04em;margin:16px 0 22px}.intro{font-size:1.15rem;max-width:740px}p{margin:.65em 0}.hero>p:last-child{color:var(--muted);font-size:.95rem}.filters{background:#fff;border:1px solid var(--line);padding:18px;border-radius:16px}.topics{display:flex;gap:8px;flex-wrap:wrap}.topics button{border:1px solid var(--line);border-radius:99px;background:transparent;color:var(--ink);padding:9px 17px;cursor:pointer}.topics button[aria-pressed=true]{background:var(--green);border-color:var(--green);color:#fff}.secondary{display:flex;align-items:center;gap:24px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:16px;padding-top:16px;font-size:.9rem}.secondary label{display:flex;gap:9px;align-items:center}.secondary input{accent-color:var(--green)}.topic{padding-top:38px}h2{font-size:1.5rem;margin:0 0 18px}h2>span{color:#79918a;font-weight:400;margin-inline-end:7px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.video-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;min-width:0;box-shadow:0 3px 12px #274e4305}.card-top{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}.duration{background:#edf3eb;color:var(--green);font-size:.85rem;line-height:1;padding:6px 10px;border-radius:99px;font-variant-numeric:tabular-nums}.archive-label{font-size:.73rem;color:var(--muted)}h3{font-size:1.1rem;line-height:1.5;margin:18px 0 10px;overflow-wrap:anywhere}.meta{font-size:.8rem;color:var(--muted)}.scope{font-size:.8rem;color:var(--muted);margin-bottom:17px}.links{display:flex;gap:9px 15px;flex-wrap:wrap;margin-top:auto;padding-top:18px;font-size:.85rem}.links a{overflow-wrap:anywhere}.player{margin:0 0 8px}.player summary{cursor:pointer;color:var(--green);font-size:.9rem}.player video{display:block;width:100%;max-height:460px;margin-top:12px;border-radius:8px;background:#102421;object-fit:contain}.notice{margin:45px 0 30px;padding:20px;border-inline-start:3px solid #b2cbbb;background:#edf2e9;color:var(--muted);font-size:.9rem}footer{padding-top:25px;padding-bottom:35px;border-top:1px solid var(--line);font-size:.9rem}footer p{color:var(--muted)}[hidden]{display:none!important}#empty-result{padding:35px 0;color:var(--muted)}@media(max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:580px){header{padding:18px 20px;gap:16px}header nav{margin-inline-start:0;width:100%;font-size:.9rem}main,footer{padding-inline:20px}.hero{padding-top:38px}.cards{grid-template-columns:1fr}.video-card{padding:20px}.secondary{gap:14px}.secondary label{flex-wrap:wrap}.topics button{padding:8px 12px;font-size:.9rem}.topic{padding-top:30px}}