@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--ink:#102039;--muted:#617087;--blue:#245bea;--line:#dfe5ec;--navy:#0b192c}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans KR",Arial,sans-serif;word-break:keep-all}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #719dff;outline-offset:5px}.wrap{max-width:1140px;margin:auto;padding-left:32px;padding-right:32px}.masthead{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{font-size:23px;font-weight:800;letter-spacing:-3px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--ink);color:white;border-radius:10px;padding-right:3px}.brand-mark span{color:#88acff}.brand strong{display:block;font-size:15px;letter-spacing:.7px}.brand small{font-size:11px;color:var(--muted)}nav{display:flex;gap:28px;font-size:13px;font-weight:600}nav a:hover,.quiet-link:hover{color:var(--blue)}.hero{background:var(--navy);color:white}.hero-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:75px;align-items:center;padding-top:54px;padding-bottom:54px}.eyebrow{font-size:12px;letter-spacing:.4px;font-weight:700;color:var(--blue);margin:0 0 13px}.hero .eyebrow{color:#9ebaff}h1{font-size:46px;line-height:1.22;letter-spacing:-2px;margin:0 0 20px;font-weight:800}.intro{font-size:15px;line-height:1.8;color:#b9c8dd;margin:0 0 24px}.primary{display:inline-flex;align-items:center;gap:28px;background:#fff;color:var(--ink);border-radius:7px;padding:13px 18px;font-size:13px;font-weight:700}.primary:hover{background:#e9f0ff}.hero-note{border:1px solid #34455d;border-radius:14px;padding:26px 28px;background:#14243a;box-shadow:0 15px 40px #0002}.note-top{font-size:11px;color:#b8cbed;display:flex;align-items:center;gap:8px}.note-dot{width:6px;height:6px;background:#82a9ff;border-radius:50%}.hero-note h2{font-size:28px;line-height:1.35;letter-spacing:-1px;margin:19px 0 12px}.hero-note p{font-size:12px;line-height:1.8;color:#bac8dc;margin:0}.note-flow{display:flex;gap:11px;align-items:center;font-size:11px;margin:22px 0;border-bottom:1px solid #34455d;padding-bottom:20px;color:#c2cfe1}.note-flow span:nth-child(odd){background:#22344e;padding:6px 8px;border-radius:4px}.hero-note a{font-size:12px;display:flex;justify-content:space-between;color:#c4d6ff}.explore{padding-top:45px;padding-bottom:42px}.section-intro{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px;gap:20px}h2{font-size:25px;letter-spacing:-.8px;line-height:1.4;margin:0}.quiet-link{font-size:12px;font-weight:600;white-space:nowrap}.search{display:flex;align-items:center;border:1px solid #aebbcf;border-radius:9px;padding:7px 8px 7px 17px;gap:12px;background:white}.search>span{font-size:27px;color:var(--muted);line-height:1}.search input{min-width:0;flex:1;border:0;padding:10px 0;font-size:14px;color:var(--ink);background:transparent}.search input:focus{outline:none}.search:focus-within{outline:3px solid #d9e5ff;border-color:var(--blue)}.search button{border:0;border-radius:6px;padding:10px 22px;background:var(--blue);color:white;cursor:pointer;font-size:13px;font-weight:600}.suggestions{display:flex;gap:8px;align-items:center;margin:12px 0 25px;flex-wrap:wrap}.suggestions>span{font-size:11px;color:var(--muted);margin-right:4px}.suggestions button{font-size:11px;border:0;border-radius:5px;background:#f0f4fa;color:#445775;padding:5px 9px;cursor:pointer}.topics{display:grid;grid-template-columns:repeat(2,1fr);column-gap:32px}.topic{display:flex;justify-content:space-between;align-items:center;padding:18px 8px;border-bottom:1px solid var(--line);gap:20px;transition:background .15s}.topic:hover{background:#f4f7fc}.topic h3{font-size:15px;margin:0 0 6px;font-weight:700}.topic p{font-size:12px;color:var(--muted);margin:0;line-height:1.5}.topic>span{color:#7b8fa9;font-size:20px}.starting{background:#f4f6fa;padding:35px 0 38px}.section-copy{font-size:12px;color:var(--muted);margin:0;line-height:1.7}.starters{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.starter{background:#fff;border:1px solid #e0e6ef;border-radius:9px;padding:22px;display:flex;flex-direction:column}.starter small{font-size:11px;color:var(--blue);font-weight:600}.starter h3{font-size:17px;line-height:1.5;margin:12px 0 24px;flex:1}.starter>span{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.starter:hover{border-color:#84a8f2;box-shadow:0 5px 16px #14243a08}.closing{padding-top:35px;padding-bottom:35px;display:flex;align-items:center;justify-content:space-between;gap:24px}.closing h2{font-size:21px}.closing p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.closing>a{font-size:12px;font-weight:600;white-space:nowrap}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding-top:22px;padding-bottom:22px;font-size:11px;color:var(--muted)}.results{margin:20px 0 10px;border:1px solid var(--line);border-radius:8px;padding:16px}.results p{font-size:12px;color:var(--muted);margin:0 0 8px}.results a{display:block;padding:12px 5px;font-size:14px;border-top:1px solid var(--line)}.results a:hover{color:var(--blue)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1500px){.hero-layout{padding-top:64px;padding-bottom:64px}}@media(max-width:760px){.wrap{padding-left:22px;padding-right:22px}.masthead{height:76px}nav{gap:16px;font-size:12px}nav:not(.hub-switch) a:last-child{display:none}.brand strong{font-size:12px}.brand-mark{width:34px;height:34px;font-size:21px}.hero-layout{gap:25px;padding-top:36px;padding-bottom:36px;grid-template-columns:1fr}h1{font-size:38px}.hero-note{padding:22px}.hero-note h2 br{display:none}.hero-note h2{font-size:23px;margin-top:13px}.hero-note p br{display:none}.note-flow{margin:17px 0}.section-intro{align-items:flex-start}.section-intro h2{font-size:22px}.section-intro .quiet-link{padding-top:32px}.topics{column-gap:16px}.topic{padding:17px 2px;gap:7px}.topic p{font-size:11px}.topic h3{font-size:14px}.starters{grid-template-columns:1fr}.starter{padding:19px}.starter h3{margin:8px 0 17px}.section-copy{display:none}.closing{align-items:flex-start;flex-direction:column;gap:15px}.explore{padding-top:32px}.suggestions>span{flex-basis:100%;margin-bottom:2px}}@media(max-width:380px){nav{gap:10px}.brand{gap:7px}.brand small{font-size:10px}.topics{grid-template-columns:1fr}.section-intro{flex-direction:column;gap:10px}.section-intro .quiet-link{padding:0}.search button{padding:10px 15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Revised middle section; original hero and closing design preserved. */
.masthead{height:78px}.brand{display:block;font-size:16px;font-weight:800;letter-spacing:.6px}.brand span{color:var(--blue)}.home{font-size:12px;color:var(--muted)}.collection{padding-top:36px;padding-bottom:36px}.tracks{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.track{background:#fff;border:1px solid #aab7ca;border-radius:9px;padding:22px 18px;min-height:155px;transition:border-color .15s,background .15s}.track h3{font-size:16px;line-height:1.5;letter-spacing:-.5px;margin:0 0 11px}.track p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}.track:hover{border-color:var(--blue);background:#f7f9ff}.track:hover h3{color:var(--blue)}.closing{border-top:1px solid var(--line)}
@media(max-width:1000px){.tracks{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.masthead{height:66px}.brand{font-size:14px}.collection{padding-top:25px;padding-bottom:25px}.tracks{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.track{padding:18px 14px;min-height:146px}.track h3{font-size:15px}.track p{font-size:11px}}@media(max-width:340px){.tracks{grid-template-columns:1fr}.track{min-height:110px}}
/* Compact final revision. */
.masthead{height:66px}.brand{font-size:14px}.home{font-size:12px}.collection{padding-top:28px;padding-bottom:28px}.tracks{gap:12px}.track{min-height:0;padding:16px 15px}.track h3{font-size:15px;margin-bottom:7px;line-height:1.4}.track p{font-size:11px;line-height:1.65}.closing{background:var(--navy);color:#fff;border:0;max-width:none;padding-left:max(32px,calc((100vw - 1076px)/2));padding-right:max(32px,calc((100vw - 1076px)/2));padding-top:28px;padding-bottom:28px}.closing p{color:#b9c8dd}.closing>a{color:#c4d6ff}footer.wrap{max-width:none;background:var(--navy);border-top:1px solid #34455d;color:#b9c8dd;padding-left:max(32px,calc((100vw - 1076px)/2));padding-right:max(32px,calc((100vw - 1076px)/2));padding-top:18px;padding-bottom:18px}footer a{color:#c4d6ff}
@media(max-width:760px){.masthead{height:60px}.collection{padding-top:22px;padding-bottom:22px}.tracks{gap:9px}.track{min-height:0;padding:14px 12px}.track h3{font-size:14px}.track p{font-size:11px}.closing,footer.wrap{padding-left:22px;padding-right:22px}.closing{padding-top:24px;padding-bottom:24px}}
.hero-layout{display:block;padding-top:38px;padding-bottom:38px}.hero-copy{max-width:640px}.hero-copy h1{font-size:46px;line-height:1.22;margin-bottom:23px}.hero-copy .intro{margin-bottom:0;font-size:14px;line-height:1.9}.hero-copy .eyebrow{margin-bottom:18px}@media(max-width:760px){.hero-layout{padding-top:30px;padding-bottom:30px}.hero-copy h1{font-size:38px}.hero-copy .intro{font-size:13px}}
/* Learning Hub identity: scalable LH monogram and prominent wordmark. */
.masthead{height:86px}.brand{display:inline-flex;align-items:center;gap:14px;letter-spacing:0}.brand-symbol{display:block;width:50px;height:50px;flex:none}.brand .brand-wordmark{color:#102039;font-family:Arial,"Noto Sans KR",sans-serif;font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1;white-space:nowrap}.brand .brand-hub{color:#245bea}.brand:hover .brand-hub{color:#1744be}@media(max-width:760px){.masthead{height:76px}.brand{gap:10px}.brand-symbol{width:42px;height:42px}.brand .brand-wordmark{font-size:24px;letter-spacing:-.8px}}@media(max-width:420px){.brand-symbol{width:38px;height:38px}.brand .brand-wordmark{font-size:21px}.brand{gap:8px}.home{font-size:11px}}@media(max-width:350px){.brand .brand-wordmark{font-size:18px}.brand-symbol{width:34px;height:34px}}
.hero-copy{max-width:none}.hero-copy h1{font-size:50px;white-space:nowrap;letter-spacing:-1.9px}@media(max-width:1000px){.hero-copy h1{font-size:clamp(20px,4.7vw,46px);letter-spacing:-.035em}}@media(max-width:760px){.hero-copy h1{font-size:clamp(19px,4.65vw,35px)}}
/* Slightly smaller logo, preserving its proportions. */
.brand-symbol{width:44px;height:44px}.brand{gap:12px}.brand .brand-wordmark{font-size:27px}@media(max-width:760px){.brand-symbol{width:37px;height:37px}.brand{gap:9px}.brand .brand-wordmark{font-size:22px}}@media(max-width:420px){.brand-symbol{width:34px;height:34px}.brand{gap:8px}.brand .brand-wordmark{font-size:19px}}@media(max-width:350px){.brand-symbol{width:30px;height:30px}.brand .brand-wordmark{font-size:17px}}
/* Additional ten percent reduction from the current logo size. */
.brand-symbol{width:39.6px;height:39.6px}.brand{gap:10.8px}.brand .brand-wordmark{font-size:24.3px}@media(max-width:760px){.brand-symbol{width:33.3px;height:33.3px}.brand{gap:8.1px}.brand .brand-wordmark{font-size:19.8px}}@media(max-width:420px){.brand-symbol{width:30.6px;height:30.6px}.brand{gap:7.2px}.brand .brand-wordmark{font-size:17.1px}}@media(max-width:350px){.brand-symbol{width:27px;height:27px}.brand .brand-wordmark{font-size:15.3px}}
/* Align the brand to the right edge of the content column. */
.masthead{justify-content:flex-end}
[data-home]{white-space:pre-line}.hero-copy h1[data-home]{white-space:normal;overflow-wrap:anywhere}.track h3{overflow-wrap:anywhere}


.hub-switch{display:flex;gap:26px;border-bottom:1px solid #dbe2ec;padding-top:0;padding-bottom:0}
.hub-switch a{display:block;padding:14px 4px;color:#52627a;font-weight:700;font-size:15px;border-bottom:3px solid transparent}
.hub-switch a[aria-current="page"]{color:#245bea;border-bottom-color:#245bea}
.hub-switch a:hover{color:#245bea}.hub-switch a:focus-visible{outline:2px solid #245bea;outline-offset:3px}

/* Persistent, understated learning / work navigation. */
.hub-switch{gap:8px;padding-top:10px;padding-bottom:10px;align-items:center;flex-wrap:nowrap}
.hub-switch a{display:inline-flex!important;align-items:center;justify-content:center;min-height:44px;min-width:88px;padding:9px 18px;border:1px solid #c8d2e1;border-radius:7px;background:#fff;color:#334155;font-size:15px;line-height:1.4;white-space:nowrap}
.hub-switch a[aria-current="page"]{border-color:#adc2f4;background:#eef3ff;color:#1e4fc4}
.hub-switch a:hover{background:#f3f6fb;border-color:#8ca9dc;color:#1e4fc4}
@media(max-width:760px){.hub-switch{gap:8px;padding-top:9px;padding-bottom:9px}.hub-switch a{min-width:84px;padding:9px 16px;font-size:14px}}