:root{--blue:#0066b3;--cyan:#31a9e0;--navy:#0c286e;--green:#8dc63f;--ink:#101d35;--muted:#586780;--line:#e0e7ef;--bg:#f6f8fc;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.65 'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d48512;outline-offset:5px}.skip{position:absolute;top:-80px;z-index:10;background:#fff;padding:10px}.skip:focus{top:8px}header{background:#fff;border-top:4px solid var(--cyan);border-bottom:1px solid var(--line)}.topbar{max-width:1440px;margin:auto;min-height:90px;padding:18px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:26px}.brand img{width:190px;display:block;height:auto}.brand-label{border-left:1px solid var(--line);padding-left:25px;font-size:14px;color:var(--muted)}.top-label{font-size:13px;font-weight:600;padding:8px 16px;border-radius:30px;background:#eaf5fc;color:var(--blue)}.layout{max-width:1440px;margin:auto;display:grid;grid-template-columns:230px minmax(0,1fr);min-height:calc(100vh - 94px)}.sidebar{padding:36px 17px 32px 25px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:30px;background:#fff}.nav-label,.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted)}nav{display:flex;flex-direction:column;gap:8px;margin-top:16px}nav a{display:flex;align-items:center;gap:11px;border-radius:12px;padding:13px 12px;font-size:14px;font-weight:600;line-height:1.4;color:var(--muted)}nav a svg{width:19px;height:19px;flex-shrink:0}nav a.active{background:#e4f3ff;color:var(--blue)}nav a:hover{background:#edf5fa}.sidebar-note{margin-top:auto;padding:22px 13px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.sidebar-note strong{display:block;color:var(--navy);font-size:14px;margin-bottom:7px}main{padding:32px 44px 44px;min-width:0}.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}.breadcrumb a:hover{text-decoration:underline}h1,h2,h3,p{margin-top:0}h1{font-size:42px;line-height:1.12;letter-spacing:-1.5px;margin-bottom:18px;font-weight:750}h2{font-size:25px;line-height:1.3;letter-spacing:-.6px;font-weight:700}h3{font-size:23px;line-height:1.3;font-weight:700;letter-spacing:-.5px}p{color:var(--muted)}.intro{max-width:510px;margin-bottom:26px}.welcome-with-photos{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:center;padding:14px 0 25px}.welcome-with-photos h1{font-size:clamp(40px,4.1vw,58px);line-height:1.07;letter-spacing:-2px;margin-bottom:20px}.welcome-with-photos h1 span{color:var(--blue)}.welcome-with-photos .eyebrow{font-size:11px;letter-spacing:1px}.welcome-with-photos .intro{margin:0;max-width:430px}.context-photos{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:12px;padding:15px 0 20px}.context-photos:before{content:'';position:absolute;inset:38px -12px 0 10px;border-radius:30px;background:#dcf3fc;transform:rotate(-5deg);z-index:0}.context-photo{display:block;width:100%;object-fit:cover;border-radius:22px;background:#e4edf5;position:relative}.context-photos .context-photo{height:220px;object-position:50% 58%;box-shadow:0 10px 25px #0c286e12;border:4px solid #fff}.context-photos .context-photo:first-child{transform:rotate(-3deg)}.context-photos .context-photo:last-child{margin-top:30px;transform:rotate(4deg);height:196px;object-position:60% 60%}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:22px 0 20px}.section-head h2{margin:0}.count{font-size:13px;color:var(--muted)}.library-total{background:#e6f3dc;color:#3b5b15;padding:6px 13px;border-radius:30px;white-space:nowrap}.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.role-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:27px;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;overflow:hidden}.role-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px #0c286e12;border-color:#9ccdec}.role-card:first-child{background:var(--blue);border-color:var(--blue);color:#fff}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.iconbox{display:grid;place-items:center;width:49px;height:49px;border-radius:15px;background:#e5f2fc;color:var(--blue)}.iconbox svg{width:25px;height:25px}.role-card:first-child .iconbox{background:#ffffff24;color:#fff}.role-card:first-child p,.role-card:first-child .count{color:#e0f2ff}.role-card:first-child .card-action{color:#fff;border-color:#ffffff40}.role-card:nth-child(2){background:#e4f6fd;border-color:#d0eaf5}.role-card:nth-child(2) .iconbox{background:#fff}.role-card:nth-child(3) .iconbox{background:#edf0fb;color:var(--navy)}.role-card:nth-child(4){background:#f0f7e6;border-color:#e0ebd1}.role-card:nth-child(4) .iconbox{background:#fff;color:#48671e}.role-card h3{margin-bottom:10px}.role-card p{font-size:16px;line-height:1.55;margin-bottom:22px}.card-action{margin-top:auto;padding-top:16px;border-top:1px solid #0c286e14;color:var(--blue);font-size:14px;font-weight:700;display:flex;justify-content:space-between;align-items:center}.card-action>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#ffffff35}.role-card.supplemental{grid-column:1/-1;display:grid;grid-template-columns:49px 1fr auto;gap:20px;align-items:center;padding:22px 27px}.supplemental h3{font-size:20px;margin:0 0 4px}.supplemental p{font-size:14px;margin:0}.supplemental .card-action{margin:0;padding:0;border:0}.start-banner{background:var(--navy);color:#fff;border-radius:24px;margin-top:28px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:5px solid var(--cyan)}.start-banner h2{font-size:23px;margin-bottom:8px}.start-banner p{color:#d5e5ff;font-size:15px;margin:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:13px;border-radius:40px;border:0;background:var(--green);padding:13px 23px;color:#182b08;font-weight:700;font-size:14px;cursor:pointer;white-space:nowrap;transition:transform .18s,background .18s}.button:hover{background:#a9dc63;transform:translateY(-2px)}.about{border-top:1px solid var(--line);margin-top:34px;padding-top:27px}.about summary{cursor:pointer;font-size:16px;font-weight:650}.about-content{padding-top:20px}.about p{font-size:15px}.motto{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px}.footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:12px;border-top:1px solid var(--line);margin-top:30px;padding-top:23px}.photo-credits{font-size:12px;margin-top:20px;color:var(--muted)}.photo-credits summary{cursor:pointer}.photo-credits a{text-decoration:underline}.photo-credits p{margin-top:10px}.role-with-photo{display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:30px;align-items:center;background:#e6f4fd;border-radius:24px;padding:26px 30px;margin-bottom:30px}.role-with-photo .context-photo{height:150px;object-position:50% 55%;border-radius:18px}.role-with-photo .intro{margin:0}.lesson-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.lesson{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;transition:transform .18s,box-shadow .18s}.lesson:hover{transform:translateY(-4px);box-shadow:0 12px 28px #0c286e12}.thumb{aspect-ratio:16/8.5;background:#e4edf5;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}.thumb img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;transition:transform .3s}.lesson:hover .thumb img{transform:scale(1.035)}.thumb:after{content:'';position:absolute;inset:0;background:#0c286e12}.play{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px #ffffffb3;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:1;color:#fff}.play svg{width:20px;height:20px}.lesson-copy{padding:23px;display:flex;flex-direction:column;flex:1}.lesson-copy h2{font-size:20px;margin:12px 0}.lesson-copy p{font-size:16px;margin-bottom:22px;line-height:1.6}.lesson-num{font-size:12px;color:var(--blue);font-weight:650;letter-spacing:1px}.watch{color:var(--blue);font-size:14px;font-weight:700;margin-top:auto}.player{background:#0c1e2e;aspect-ratio:16/9;border-radius:20px;overflow:hidden;margin:25px 0}.player iframe{width:100%;height:100%;border:0}.video-description{max-width:780px}.video-description p{font-size:16px}.video-meta{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.chip{font-size:13px;border:1px solid var(--line);border-radius:30px;background:#fff;color:var(--muted);padding:6px 14px}.chip:hover{border-color:var(--blue);color:var(--blue)}.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.lesson-nav a{display:block;background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px;font-size:15px;font-weight:600}.lesson-nav small{font-size:12px;display:block;color:var(--muted);font-weight:400;margin-bottom:7px}.lesson-nav a:last-child{text-align:right}.video-title{font-size:34px;max-width:800px}.external{font-size:14px;color:var(--blue);text-decoration:underline}.mobile-menu{display:none}
@media(min-width:1450px){.lesson-list{grid-template-columns:repeat(3,minmax(0,1fr))}main{padding-left:52px;padding-right:52px}}
@media(max-width:1050px){.layout{grid-template-columns:195px minmax(0,1fr)}.sidebar{padding:30px 12px}.topbar{padding:18px 24px}main{padding:28px}.brand-label{display:none}.welcome-with-photos{grid-template-columns:minmax(0,1fr) 210px;gap:20px}.welcome-with-photos h1{font-size:40px}.context-photos{gap:7px}.context-photos .context-photo{height:180px}.context-photos .context-photo:last-child{height:156px}.role-card{padding:23px}.role-card h3{font-size:21px}.start-banner{align-items:flex-start;flex-direction:column;gap:18px}.role-with-photo{grid-template-columns:minmax(0,1fr) 125px;padding:22px;gap:20px}.role-with-photo h1{font-size:34px}}
@media(max-width:800px) and (min-width:651px){.welcome-with-photos{grid-template-columns:1fr}.context-photos{display:none}.role-with-photo{grid-template-columns:1fr}.role-with-photo .context-photo{display:none}.role-card.supplemental{grid-template-columns:49px 1fr}.supplemental .card-action{grid-column:2}.roles{gap:14px}}
@media(max-width:650px){.topbar{min-height:76px;padding:16px 20px}.brand img{width:163px}.top-label{display:none}.mobile-menu{display:block;background:#e5f3fe;border:0;border-radius:30px;padding:9px 18px;color:var(--blue);font-size:14px;font-weight:600}.layout{display:block}.sidebar{display:none;border-bottom:1px solid var(--line);border-right:0;padding:20px}.sidebar.open{display:block}.sidebar-note{display:none}nav{display:grid;grid-template-columns:1fr 1fr;margin-top:10px}.sidebar .nav-label{display:none}main{padding:23px 20px}.breadcrumb{margin-bottom:20px}.welcome-with-photos{grid-template-columns:1fr;gap:18px;padding:0 0 12px}.welcome-with-photos h1{font-size:43px}.welcome-with-photos .eyebrow{font-size:10px}.context-photos{grid-template-columns:1fr 1fr;padding:0 4px 12px;gap:14px;max-width:420px}.context-photos .context-photo{height:132px;object-position:50% 50%;border-radius:17px}.context-photos .context-photo:last-child{height:132px;margin-top:12px;object-position:50% 52%}.context-photos:before{inset:20px -3px 0 0}.roles,.lesson-list{grid-template-columns:1fr}.section-head{gap:10px}.section-head h2{font-size:21px}.library-total{font-size:11px;padding:5px 9px}.role-card.supplemental{grid-column:auto;grid-template-columns:49px 1fr;padding:23px}.supplemental .card-action{grid-column:2}.card-top{margin-bottom:16px}.role-card{padding:25px}.role-with-photo{grid-template-columns:minmax(0,1fr) 85px;padding:20px;gap:15px}.role-with-photo h1{font-size:28px;letter-spacing:-1px}.role-with-photo .context-photo{height:116px;border-radius:14px}.role-with-photo .intro{font-size:14px}.video-title{font-size:29px}.lesson-nav{grid-template-columns:1fr}.lesson-nav a:last-child{text-align:left}.footer span:last-child{display:none}.start-banner{padding:25px}.intro{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;transform:none!important}}