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h2{font-size:36px;line-height:1.15;letter-spacing:-1px;color:#10384f;margin:20px 0}.kh-home p{font-size:14px;line-height:1.8;max-width:480px;color:#627680}.kh-home>div>a{display:inline-block;font-size:13px;margin-top:15px}.kh-home-links{display:flex;flex-direction:column;justify-content:center}.kh-home .kh-home-links>a{display:grid;grid-template-columns:28px 1fr 15px;align-items:center;gap:20px;border-bottom:1px solid #ccd3cd;padding:19px 0;margin:0;font-size:14px}.kh-hero-visual>.kh-art{height:250px}.kh-hero-visual .kh-art-icon{top:70px;width:88px;height:88px;left:calc(50% - 44px)}
@media(max-width:1100px){.kh-hero{gap:35px}.kh-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kh-filters{grid-template-columns:1fr 1fr}.kh-learning{gap:35px}.kh-journey{gap:6px}.kh-journey>span{font-size:12px}}
@media(max-width:650px){.kh-hero{grid-template-columns:1fr;padding:30px 6% 42px;gap:30px}.kh-hero h1{font-size:39px;letter-spacing:-1.4px}.kh-hero-visual{padding:28px 22px;box-shadow:8px 8px 0 #c6a76335}.kh-breadcrumb{margin-bottom:25px}.kh-lead{font-size:14px}.kh-journey{margin:30px 0}.kh-subjects,.kh-library,.kh-learning,.kh-standards{padding:40px 6%}.kh-section-title{display:block}.kh-section-title h2,.kh-learning h2,.kh-standards h2{font-size:29px}.kh-section-title>p{margin-top:15px}.kh-category-grid{gap:13px}.kh-art{height:110px}.kh-art-icon{width:50px;height:50px;left:calc(50% - 25px);top:18px}.kh-art-icon img{width:28px;height:28px}.kh-art-label{font-size:5px;letter-spacing:.5px;left:10px}.kh-category-body{padding:15px}.kh-category h3{font-size:17px}.kh-category p{font-size:11px}.kh-category-link{font-size:9px}.kh-filters{grid-template-columns:1fr 1fr;gap:13px}.kh-filters>label:first-child{grid-column:1/-1}.kh-filters>button{grid-column:1/-1}.kh-filters input,.kh-filters select{font-size:12px}.kh-status-note{padding:14px}.kh-topic-grid{grid-template-columns:1fr}.kh-topic{padding:23px}.kh-learning{grid-template-columns:1fr;gap:25px}.kh-standards>div{grid-template-columns:1fr;gap:5px}.kh-cta{margin:0 6% 40px;padding:25px;flex-direction:column;align-items:stretch;gap:20px}.kh-cta h2{font-size:25px}.kh-cta a{text-align:center}.kh-category-intro{padding:25px 6%;display:block}.kh-category-intro ul{gap:14px;margin:18px 0}.kh-category-intro>a{display:inline-block;margin-top:8px}.kh-home{grid-template-columns:1fr;gap:25px;padding:40px 6%}.kh-home h2{font-size:30px}.kh-home .kh-home-links>a{font-size:13px}.kh-hero-visual>.kh-art{height:170px}.kh-hero-visual .kh-art-icon{top:38px}}
@media(prefers-reduced-motion:reduce){.kh-category{transition:none}.kh-category:hover{transform:none}}
/* Illustrated subject index */
.kh-category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.kh-category{display:grid;grid-template-columns:40% 60%;border:1px solid #d5d9d4;box-shadow:0 7px 22px #12384e05;transition:transform .25s,box-shadow .25s,border-color .25s;overflow:hidden}
.kh-category:hover{box-shadow:0 14px 32px #12384e12;border-color:#bba471}
.kh-category .kh-art{height:100%;min-height:300px;display:flex;align-items:center}
.kh-art{--paper:#f6f2e6;--accent:#c5a058;color:#234b5b;background-image:linear-gradient(145deg,#ffffff16,transparent 65%)}
.kh-art.kh-navy{color:#cbdce0;--paper:#19485b;--accent:#d6b777}
.kh-scene{width:100%;height:auto;max-height:240px;display:block;transition:transform .4s}
.kh-scene text{font-family:Arial,sans-serif;fill:currentColor;stroke:none;font-size:8px;letter-spacing:.8px;text-anchor:middle}
.kh-category:hover .kh-scene{transform:translateY(-4px)}
.kh-art-coordinate{position:absolute;top:23px;left:20px;font-size:7px;letter-spacing:1.4px;opacity:.65}
.kh-art-label{left:20px;bottom:23px;font-size:7px;letter-spacing:1.1px;color:inherit;right:15px;line-height:1.5}
.kh-category-body{padding:27px 26px}
.kh-index{font-size:9px;letter-spacing:1.4px}
.kh-category h3{font-size:23px;line-height:1.2;margin:15px 0 12px;letter-spacing:-.55px}
.kh-category p{font-size:12px;line-height:1.7;margin-bottom:17px}
.kh-subtopics{padding:0;margin:0 0 24px;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.kh-subtopics li{padding:5px 7px;background:#f3f2eb;color:#57707b;font-size:9px;line-height:1.4;border:1px solid #e8e8de}
.kh-category-link{font-size:11px;align-items:center}
.kh-category-link>span{display:grid;place-items:center;width:27px;height:27px;border:1px solid #c8b68b;border-radius:50%;color:#937436;font-size:15px;transition:background .2s,color .2s}
.kh-category:hover .kh-category-link>span{background:#12384e;color:white;border-color:#12384e}
.kh-hero-visual>.kh-art{display:grid;place-items:center;height:280px}.kh-hero-visual .kh-scene{max-height:240px;width:100%}
@media(max-width:1100px){.kh-category{grid-template-columns:1fr}.kh-category .kh-art{height:200px;min-height:0}.kh-scene{height:175px}.kh-art-coordinate{top:14px}.kh-art-label{bottom:13px}.kh-category-body{padding:24px}.kh-category h3{font-size:22px}}
@media(max-width:650px){.kh-category-grid{grid-template-columns:1fr;gap:22px}.kh-category .kh-art{height:185px}.kh-scene{height:170px}.kh-category-body{padding:23px}.kh-category h3{font-size:23px}.kh-category p{font-size:13px}.kh-subtopics li{font-size:10px}.kh-art-coordinate,.kh-art-label{font-size:7px;left:19px}.kh-category-link{font-size:11px}.kh-hero-visual>.kh-art{height:225px}.kh-hero-visual .kh-scene{height:200px}}
@media(prefers-reduced-motion:reduce){.kh-category,.kh-scene,.kh-category-link>span{transition:none}.kh-category:hover .kh-scene{transform:none}}
/* Editorial cards: illustrated format covers and consistent reading rhythm. */
.kh-library{background:#efeee7;max-width:none;scroll-margin-top:110px}.kh-library>.kh-section-title,.kh-library>.kh-status-note,.kh-library>.kh-filters,.kh-library>.kh-results,.kh-library>.kh-topic-grid{max-width:1376px;margin-left:auto;margin-right:auto}
.kh-filters{background:#fff;padding:23px;border:1px solid #d9ded7;box-shadow:0 6px 18px #12384e04}.kh-filters input,.kh-filters select{background:#f9f9f5}.kh-results{display:flex;align-items:center;gap:12px;letter-spacing:.7px;text-transform:uppercase;font-size:10px;padding:5px 0}.kh-results:after{content:'';height:1px;background:#d2d8d1;flex:1}
.kh-topic-grid{gap:27px;align-items:stretch}.kh-topic{padding:0;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 6px 20px #12384e06;transition:box-shadow .25s,border-color .25s,transform .25s}.kh-topic:hover{transform:translateY(-3px);border-color:#b7a071;box-shadow:0 14px 26px #12384e12}
.kh-topic-cover{height:185px;position:relative;overflow:hidden;isolation:isolate;background:#e1e7e4;color:#315463;display:grid;place-items:center;border-bottom:1px solid #163b4e15}.kh-topic-cover:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#ffffff18 1px,transparent 1px),linear-gradient(90deg,#ffffff18 1px,transparent 1px);background-size:26px 26px;z-index:-1}.kh-cover-navy{background:#113b51;color:#d1e1e1}.kh-cover-gold{background:#d9c393}.kh-cover-sand{background:#e7e1d3}.kh-cover-blue{background:#d4e2e5}.kh-cover-olive{background:#dce2d3}.kh-topic-cover svg{height:150px;width:100%;max-width:330px}.kh-topic-cover svg text{fill:currentColor;stroke:none;font:11px Arial,sans-serif;text-anchor:middle}.kh-gold-stroke{stroke:#b5924d;stroke-width:2.7}.kh-cover-navy .kh-gold-stroke{stroke:#d9b76d}.kh-cover-kicker{position:absolute;top:15px;left:21px;font-size:7px;letter-spacing:1.4px;opacity:.7}.kh-cover-format{position:absolute;bottom:15px;left:21px;font-size:9px;letter-spacing:1.2px;text-transform:uppercase}.kh-cover-number{position:absolute;right:18px;bottom:10px;font-size:30px;font-weight:500;opacity:.22;letter-spacing:-1px}
.kh-topic-content{padding:26px;display:flex;flex-direction:column;flex:1}.kh-topic-top{font-size:10px}.kh-planned{display:inline-flex;align-items:center;gap:5px;border:1px solid #e4dfd0;border-radius:20px;padding:5px 8px;background:#f7f5ee;font-size:9px}.kh-planned i{width:4px;height:4px;border-radius:50%;background:#ad9456}.kh-topic a.kh-topic-category{display:block;font-size:10px!important;line-height:1.5;letter-spacing:.3px;margin:23px 0 12px!important;font-weight:600}.kh-topic h3{font-size:23px;line-height:1.28;letter-spacing:-.5px;margin:0 0 15px;min-height:88px}.kh-topic-summary{font-size:13px;line-height:1.75;color:#647984;margin:0 0 23px}.kh-topic details{margin-top:auto;padding-top:17px}.kh-topic summary{align-items:center;font-size:11px;font-weight:600}.kh-topic summary>span{width:26px;height:26px;display:grid;place-items:center;border:1px solid #cbbd9a;border-radius:50%;font-size:18px;font-weight:400;color:#947b42}.kh-topic details[open]{border-top-color:#b59b60}.kh-topic details[open]>div{background:#f5f4ed;margin:17px -10px -10px;padding:18px}.kh-outline-label{font-size:8px;letter-spacing:1.3px;color:#947b42}.kh-topic details p{font-size:12px}.kh-topic details .kh-brief-note{font-size:10px!important;line-height:1.7}
@media(max-width:1100px){.kh-topic h3{min-height:0}.kh-topic-cover{height:180px}}
@media(max-width:650px){.kh-filters{padding:17px}.kh-topic-grid{gap:24px}.kh-topic-cover{height:180px}.kh-topic-content{padding:23px}.kh-topic h3{font-size:23px}.kh-topic-summary{font-size:13px}.kh-library{scroll-margin-top:85px}}
@media(prefers-reduced-motion:reduce){.kh-topic{transition:none}.kh-topic:hover{transform:none}}