@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Plus+Jakarta+Sans:wght@400;500;600;650;700;750;800&display=swap');

:root{--navy:#092852;--ink:#102943;--muted:#536579;--line:#dae2e9;--blue:#0758eb;--red:#ec3344;--orange:#ff8800;--surface:#f4f7fb;--white:#fff;--radius:16px;--font:'DM Sans',Arial,sans-serif;--display:'Plus Jakarta Sans',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;color:var(--ink);background:var(--white);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:default}img{display:block;max-width:100%}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-family:var(--display);color:var(--navy)}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#ffe1b7;color:var(--navy)}.wrap{max-width:1240px;margin:0 auto;padding-left:40px;padding-right:40px}.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}.skip-link{position:fixed;top:-80px;left:16px;padding:12px 20px;background:var(--navy);color:#fff;z-index:50;border-radius:8px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);z-index:10;border-bottom:1px solid var(--line)}.header-inner{max-width:1320px;margin:auto;min-height:92px;padding:14px 40px;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand img{width:45px;height:45px;object-fit:contain}.brand>span{font-family:var(--display);font-size:29px;line-height:1.15;font-weight:800;letter-spacing:-1.4px;color:var(--navy)}.brand-hive{color:var(--red)}.brand small{display:block;font-family:var(--font);font-weight:600;font-size:9px;letter-spacing:1.3px;line-height:2;color:var(--muted)}.site-header nav{display:flex;align-self:stretch;align-items:center;gap:30px;margin-left:auto}.site-header nav a{position:relative;font-weight:550;font-size:14px;line-height:1.4;color:var(--muted)}.site-header nav a:hover,.site-header nav .nav-active{color:var(--navy)}.site-header nav .nav-active:after{content:'';position:absolute;bottom:-30px;height:3px;left:0;right:0;background:var(--orange)}.language-control{display:flex;align-items:center;gap:4px;border-left:1px solid var(--line);padding-left:24px}.language-control button{padding:7px;border:0;background:none;font-size:14px;font-weight:600;color:var(--muted);min-width:34px;min-height:40px}.language-control span{color:#b3bfce}.language-control button[aria-pressed=true]{color:var(--blue);font-weight:800}
.intro{display:grid;grid-template-columns:1.45fr 1fr;gap:76px;padding-top:44px;padding-bottom:44px;align-items:center}.eyebrow{font-family:var(--font);font-size:12px;font-weight:700;letter-spacing:1.7px;line-height:1.6;color:var(--muted)}.intro .eyebrow{color:var(--navy);display:flex;align-items:center;gap:10px;margin-bottom:16px}.tiny-hive{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;font-size:21px;color:var(--orange)}h1{font-size:clamp(2rem,3.8vw,3.3rem);line-height:1.16;letter-spacing:-1.8px;font-weight:800}.accent{color:var(--blue)}.intro-description{max-width:520px;margin-top:19px;font-size:16px;line-height:1.75;color:var(--muted)}.intro-facts{display:flex;gap:28px;margin-top:25px}.intro-facts>div{display:flex;gap:9px;align-items:center}.intro-facts>div+div{border-left:1px solid var(--line);padding-left:27px}.intro-facts strong{font-family:var(--display);font-size:26px;font-weight:800;letter-spacing:-1px;color:var(--navy);line-height:1}.intro-facts span{display:block;max-width:90px;font-size:12px;font-weight:550;color:var(--muted);line-height:1.5}.brand-panel{min-width:0;position:relative;height:305px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(120deg,#f4f7fd,#edf2ff);border:1px solid #e4eaf5;border-radius:18px;overflow:hidden}.brand-panel:before,.brand-panel:after{content:'';position:absolute;border:1px solid rgba(35,89,180,.10);border-radius:50%;width:315px;height:315px;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none}.brand-panel:after{width:240px;height:240px}.brand-panel-top,.brand-panel-bottom{display:flex;justify-content:space-between;align-items:center;position:absolute;left:22px;right:22px;z-index:1;font-size:10px;font-weight:700;letter-spacing:1.2px;color:#3e5880}.brand-panel-top{top:20px}.brand-panel-number{font-family:var(--display);color:#637799;letter-spacing:1px}.brand-panel-bottom{bottom:17px;font-size:12px;font-weight:500;letter-spacing:0}.brand-panel-bottom>span:last-child{color:var(--blue);font-size:24px}.hero-mark{position:relative;z-index:1;width:217px;height:217px;object-fit:contain;transform:rotate(-4deg);filter:drop-shadow(0 12px 15px rgba(47,72,119,.10))}
.library{padding-top:30px;padding-bottom:64px;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:25px}.section-heading .eyebrow{color:#9a4b00;margin-bottom:7px}h2{font-size:28px;line-height:1.3;letter-spacing:-.8px;font-weight:750}.library-label{font-size:11px;font-weight:650;letter-spacing:1.3px;color:var(--muted);padding-bottom:4px;white-space:nowrap}.level-tabs{display:flex;align-items:stretch;gap:3px;border-bottom:1px solid var(--line)}.level-tabs>button{border:0;background:transparent;padding:16px 25px 17px;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted);position:relative;font-weight:650;line-height:1.4}.level-tabs>button:first-child{padding-left:20px}.level-tabs>button[aria-selected=true]{color:var(--navy);background:linear-gradient(0deg,#f3f6ff,rgba(243,246,255,.35));border-radius:8px 8px 0 0}.level-tabs>button[aria-selected=true]:after{content:'';height:3px;background:var(--blue);position:absolute;left:0;right:0;bottom:-1px}.tab-count{font-size:12px;line-height:1.5;font-weight:600;color:#526989;padding:2px 7px;border-radius:5px;background:#eef2f7}.level-tabs>button[aria-selected=true] .tab-count{background:#e1eaff;color:#1c4c98}.current-language{display:flex;align-items:center;gap:8px;margin-left:auto;color:var(--muted);font-size:13px;padding:8px 0 8px 15px}.current-language>span:first-child{font-size:17px;color:#6981a5}.catalog-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 0 23px}.catalog-heading h3{font-size:18px;font-weight:700;letter-spacing:-.35px}.catalog-heading p{font-size:14px;color:var(--muted);margin-top:2px}.catalog-heading>span{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap}.chapter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.chapter-card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:13px;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s;min-width:0}.chapter-card:hover{transform:translateY(-4px);border-color:#b5c9e6;box-shadow:0 12px 30px -14px rgba(18,47,92,.25)}.chapter-thumb{width:100%;aspect-ratio:16/8;position:relative;padding:0;border:0;background:#e9edf7;display:block;overflow:hidden;color:var(--navy)}.chapter-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.chapter-thumb:hover img{transform:scale(1.035)}.chapter-thumb:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,13,35,.06),transparent 40%,rgba(0,13,35,.17))}.play-disc{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;z-index:1;background:rgba(255,255,255,.96);width:46px;height:46px;border-radius:50%;box-shadow:0 4px 18px #08264b22;color:var(--blue)}.play-disc svg{width:19px;height:19px;margin-left:3px;fill:currentColor}.thumbnail-fallback{display:none;position:absolute;inset:0;align-items:center;justify-content:center;background:#edf3ff;font-family:var(--display);font-size:50px;letter-spacing:-2px;color:var(--navy);font-weight:800}.thumbnail-fallback span{color:var(--red)}.thumb-unavailable .thumbnail-fallback{display:flex}.thumb-unavailable .play-disc{top:auto;bottom:12px;left:auto;right:12px;transform:none;width:32px;height:32px}.thumb-unavailable .play-disc svg{width:14px;height:14px}.part-badge{position:absolute;bottom:11px;right:12px;z-index:2;font-size:12px;font-weight:600;line-height:1.4;border-radius:4px;padding:4px 8px;background:rgba(7,30,65,.88);color:var(--white)}.chapter-content{padding:20px 20px 15px;display:flex;flex-direction:column;flex:1}.chapter-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;font-weight:700;letter-spacing:1px;color:var(--blue);margin-bottom:9px}.chapter-meta .card-language{color:var(--muted);font-size:10px;letter-spacing:1px;font-weight:550}.chapter-title{font-size:17px;line-height:1.5;letter-spacing:-.25px;flex:1;min-height:52px;font-weight:700;margin-bottom:17px}.chapter-title button{color:inherit;background:none;border:0;padding:0;text-align:left;font:inherit;line-height:inherit}.chapter-title button:hover{color:var(--blue)}.card-footer{border-top:1px solid #edf0f4;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.watch-button{border:0;background:transparent;padding:2px 0;min-height:30px;color:var(--navy);font-size:13px;font-weight:650;display:flex;align-items:center;gap:8px}.watch-button svg{width:15px;height:15px;fill:var(--orange)}.watch-button:hover{color:var(--blue)}.youtube-shortcut{min-height:34px;min-width:34px;display:flex;align-items:center;justify-content:center;color:#6e7e92;border-radius:5px;font-size:18px}.youtube-shortcut:hover{background:#f0f5fd;color:var(--blue)}.catalog-note{text-align:center;font-size:13px;color:var(--muted);margin-top:30px}
.about-section{background:#f5f8fc;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scroll-margin-top:12px}.about-inner{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center;padding-top:56px;padding-bottom:58px}.about-brand{background:#fff;border:1px solid #e5ebf2;border-radius:16px;overflow:hidden}.about-brand img{width:100%;height:auto}.about-copy .eyebrow{color:#9a4b00;margin-bottom:12px}.about-copy h2{font-size:29px;line-height:1.35}.about-copy>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:1.8;margin-top:16px}.about-signature{display:flex;align-items:center;gap:14px;margin-top:22px;font-size:11px;font-weight:700;letter-spacing:1px;color:var(--navy)}.signature-line{width:28px;height:2px;background:var(--orange)}.about-signature small{display:block;font-size:12px;letter-spacing:0;color:var(--muted);font-weight:400;margin-top:2px}.site-footer{padding-top:30px;padding-bottom:30px;display:flex;align-items:center;gap:30px}.footer-brand{font-family:var(--display);font-size:23px;font-weight:800;color:var(--navy);line-height:1.2;letter-spacing:-.8px}.footer-brand>span{color:var(--red)}.footer-brand small{display:block;font-family:var(--font);font-size:10px;letter-spacing:0;color:var(--muted);font-weight:400;margin-top:7px;max-width:235px;line-height:1.5}.site-footer>p{font-size:12px;color:var(--muted);margin-left:auto;max-width:310px}.site-footer>a{font-size:12px;color:var(--navy);font-weight:550;white-space:nowrap}
dialog{padding:0;border:0;border-radius:18px;background:#fff;color:var(--ink);width:min(890px,calc(100vw - 40px));max-height:calc(100dvh - 48px);overflow:auto;box-shadow:0 24px 100px #0005}dialog::backdrop{background:rgba(3,16,38,.8);backdrop-filter:blur(6px)}body:has(dialog[open]){overflow:hidden}.dialog-top{display:flex;align-items:center;justify-content:space-between;padding:13px 20px;background:#082650;color:#d9e5fb;gap:14px;font-size:13px;font-weight:500}.icon-button{background:#ffffff14;color:#fff;width:34px;height:34px;border:1px solid #ffffff30;border-radius:50%;font-size:25px;line-height:1;display:flex;align-items:center;justify-content:center;flex-shrink:0}.icon-button:hover{background:#ffffff30}.video-frame{aspect-ratio:16/9;background:#020b1a;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#020b1a}.video-information{padding:26px 28px 20px}.video-information>.eyebrow{color:var(--blue);margin-bottom:8px}.video-information h2{font-size:24px;line-height:1.4;letter-spacing:-.6px}.video-actions{display:flex;align-items:center;gap:24px;margin-top:21px}.video-actions a{display:flex;align-items:center;gap:12px;flex-shrink:0;background:var(--blue);padding:10px 14px;border-radius:7px;color:#fff;font-size:14px;font-weight:600}.video-actions p{font-size:12px;line-height:1.6;color:var(--muted);max-width:380px}.lesson-navigation{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);margin-top:24px;padding-top:16px}.lesson-navigation button{display:flex;align-items:center;gap:12px;border:0;background:none;color:var(--navy);font-size:14px;font-weight:600;padding:4px 0;min-height:36px}.lesson-navigation button:disabled{opacity:.35}.lesson-navigation button:not(:disabled):hover{color:var(--blue)}.part-buttons{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.part-buttons:empty{display:none}.part-buttons button{padding:8px 14px;background:#f3f6fb;border:1px solid var(--line);border-radius:7px;font-size:14px;color:var(--navy)}.part-buttons button[aria-pressed=true]{color:#fff;background:var(--navy);border-color:var(--navy)}.noscript-message{padding:24px;background:#fff0cf;position:fixed;bottom:0;left:0;right:0;z-index:15}
@media(min-width:1440px){.wrap{max-width:1310px}.intro{padding-top:46px;padding-bottom:46px;gap:100px}.brand-panel{height:320px}.hero-mark{width:232px;height:232px}.chapter-thumb{aspect-ratio:16/8.2}}
@media(max-width:1000px){.header-inner{padding-left:28px;padding-right:28px;gap:20px}.wrap{padding-left:28px;padding-right:28px}.brand small{font-size:8px;letter-spacing:.7px}.site-header nav{gap:20px}.intro{gap:35px;grid-template-columns:1.4fr 1fr}.intro-facts{gap:18px}.intro-facts>div+div{padding-left:18px}.intro-facts>div{gap:7px}.intro-facts strong{font-size:23px}.intro-facts span{font-size:11px}.brand-panel{height:286px}.hero-mark{width:195px;height:195px}.brand-panel-top{font-size:9px}.brand-panel-bottom{font-size:10px}.chapter-grid{gap:17px}.chapter-content{padding:17px 16px 12px}.chapter-title{font-size:16px}.about-inner{gap:36px}.site-footer{gap:22px}.site-footer>p{max-width:250px}}
@media(max-width:760px){html{scroll-padding-top:88px}.header-inner{min-height:76px;padding:12px 22px;gap:12px}.brand>span{font-size:27px}.brand img{width:39px;height:39px}.brand small{display:none}.site-header nav{gap:19px;margin-left:auto}.site-header nav a{font-size:12px}.site-header nav .nav-active:after{bottom:-28px}.language-control{gap:0;padding-left:12px}.language-control button{font-size:13px;min-width:30px}.wrap{padding-left:22px;padding-right:22px}.intro{padding-top:34px;padding-bottom:34px;gap:25px;grid-template-columns:1.6fr 1fr}.intro .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:12px}.tiny-hive{font-size:18px;width:18px;height:18px}h1{font-size:35px;letter-spacing:-1.2px}.intro-description{font-size:14px;line-height:1.7;margin-top:14px}.brand-panel{height:260px}.brand-panel-top,.brand-panel-bottom{left:15px;right:15px}.brand-panel-number{display:none}.brand-panel-top{font-size:8px}.brand-panel-bottom{font-size:10px}.brand-panel-bottom>span:last-child{font-size:19px}.hero-mark{width:150px;height:150px}.intro-facts{gap:15px;margin-top:20px}.intro-facts>div{display:block}.intro-facts>div+div{padding-left:15px}.intro-facts strong{font-size:23px}.intro-facts span{font-size:10px;margin-top:3px}.section-heading{margin-bottom:20px}h2{font-size:25px}.library-label{display:none}.library{padding-top:26px;padding-bottom:42px}.chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.catalog-heading{padding:23px 0 20px}.catalog-heading h3{font-size:17px}.catalog-heading p{font-size:13px}.level-tabs>button{padding:14px 17px;gap:9px;font-size:15px}.level-tabs>button:first-child{padding-left:17px}.current-language{font-size:12px}.current-language>span:first-child{display:none}.tab-count{font-size:11px}.chapter-meta{font-size:11px}.chapter-meta .card-language{font-size:10px}.chapter-title{font-size:17px}.about-inner{gap:30px;grid-template-columns:1fr 1.2fr;padding-top:40px;padding-bottom:40px}.about-copy h2{font-size:24px}.about-copy>p:not(.eyebrow){font-size:14px}.about-brand img{min-height:240px;object-fit:contain}.site-footer{flex-wrap:wrap;padding-top:26px;padding-bottom:26px}.site-footer>p{display:none}.site-footer>a{margin-left:auto}.video-information{padding:22px}.video-information h2{font-size:22px}}
@media(max-width:540px){.header-inner{padding-left:18px;padding-right:18px;min-height:70px}.brand>span{font-size:25px}.brand img{width:34px;height:34px}.site-header nav{display:none}.language-control{margin-left:auto;border-left:0;padding-left:0}.language-control button{font-size:14px;min-width:36px}.wrap{padding-left:20px;padding-right:20px}.intro{display:block;position:relative;padding-top:28px;padding-bottom:29px}.intro-copy{position:relative;z-index:1}.intro .eyebrow{font-size:10px;letter-spacing:1.1px;margin-bottom:16px}h1{font-size:clamp(1.85rem,7.4vw,2.6rem);letter-spacing:-1.15px;line-height:1.2}.intro-description{font-size:14px;max-width:95%;margin-top:15px}.brand-panel{display:none}.intro-facts{gap:19px;margin-top:20px}.intro-facts>div{display:flex;align-items:center;gap:8px}.intro-facts>div+div{padding-left:18px}.intro-facts strong{font-size:24px}.intro-facts span{font-size:10px;max-width:68px;margin:0}.library{padding-top:25px}.section-heading{margin-bottom:17px}.section-heading .eyebrow{font-size:10px;letter-spacing:1.5px;margin-bottom:6px}h2{font-size:23px;letter-spacing:-.7px}.level-tabs>button{font-size:14px;padding:13px 15px 14px;gap:8px}.level-tabs>button:first-child{padding-left:15px}.tab-count{font-size:10px;padding:2px 5px}.current-language{font-size:11px;padding-left:8px}.catalog-heading{padding:20px 0 18px;align-items:flex-start;gap:14px}.catalog-heading h3{font-size:16px;line-height:1.5}.catalog-heading p{font-size:12px;line-height:1.7;max-width:250px}.catalog-heading>span{font-size:11px;padding-top:3px}.chapter-grid{gap:15px;grid-template-columns:repeat(2,minmax(0,1fr))}.chapter-thumb{aspect-ratio:16/9}.play-disc{width:35px;height:35px}.play-disc svg{width:14px;height:14px}.chapter-content{padding:13px 12px 9px}.chapter-meta{font-size:10px;margin-bottom:6px;letter-spacing:.5px}.chapter-meta .card-language{font-size:9px;letter-spacing:.4px}.chapter-title{font-size:14px;line-height:1.6;letter-spacing:-.1px;margin-bottom:12px;min-height:45px}.card-footer{gap:7px;padding-top:8px}.watch-button{font-size:11px;gap:5px}.watch-button svg{width:11px;height:11px}.youtube-shortcut{min-width:24px;min-height:30px;font-size:17px}.part-badge{font-size:10px;bottom:7px;right:7px;padding:3px 5px}.catalog-note{font-size:12px;line-height:1.8;margin-top:23px}.about-inner{display:flex;flex-direction:column;align-items:stretch;padding-top:32px;padding-bottom:36px;gap:28px}.about-brand{align-self:center;max-width:330px;width:100%}.about-brand img{min-height:0}.about-copy h2{font-size:27px}.about-copy .eyebrow{font-size:11px}.site-footer{gap:16px}.footer-brand small{font-size:10px;max-width:195px}.site-footer>a{font-size:11px;max-width:90px;white-space:normal;text-align:right}dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 24px);border-radius:12px}.dialog-top{padding:10px 13px;font-size:12px}.video-information{padding:19px 17px 16px}.video-information h2{font-size:19px;line-height:1.45}.video-information>.eyebrow{font-size:10px}.video-actions{display:block;margin-top:17px}.video-actions a{display:inline-flex;font-size:13px;padding:9px 13px}.video-actions p{margin-top:12px}.lesson-navigation button{font-size:12px;gap:7px}.lesson-navigation{margin-top:19px;padding-top:12px}.part-buttons button{font-size:13px;padding:7px 12px}.thumbnail-fallback{font-size:26px}}
@media(max-width:370px){.wrap{padding-left:16px;padding-right:16px}.intro-facts{gap:12px}.intro-facts>div+div{padding-left:12px}.intro-facts strong{font-size:21px}.intro-facts span{font-size:10px;max-width:63px}.level-tabs>button{padding-left:12px;padding-right:12px;font-size:13px}.level-tabs>button:first-child{padding-left:12px}.current-language{font-size:10px}.chapter-grid{grid-template-columns:1fr}.chapter-title{font-size:17px;min-height:0}.chapter-content{padding:18px}.chapter-meta{font-size:12px}.chapter-meta .card-language{font-size:11px}.watch-button{font-size:14px}.chapter-thumb{aspect-ratio:16/8}.play-disc{width:42px;height:42px}.card-footer{padding-top:12px}.part-badge{font-size:12px}.footer-brand small{max-width:180px}}
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/* Reading sizes remain comfortable as the layout gets narrower. */
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