/* DEV-05.2 · PAGE 16 + PAGE 19 · approved discovery/search composition and focus polish. */
.lk3-discovery-body{--paper:#F4F0E7;--surface:#FBF8F1;--ink:#151515;--muted:#6D685F;--red:#EF2B2D;--cobalt:#315BFF;--lime:#DDF460;--lavender:#D9D0FF;--mint:#B8EBD8;--sky:#C9E4FF;--container:1360px;--gutter:80px;background:var(--paper);color:var(--ink);font-family:"Onest",Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}
.lk3-discovery-body *{box-sizing:border-box}.lk3-discovery-page a,.lk3-search-page a{color:inherit;text-decoration:none}.lk3-discovery-page button,.lk3-discovery-page input,.lk3-discovery-page select,.lk3-search-page button,.lk3-search-page input,.lk3-search-page select{font:inherit;color:inherit}.lk3-discovery-page button,.lk3-search-page button{cursor:pointer}.lk3-discovery-page :focus-visible,.lk3-search-page :focus-visible{outline:3px solid var(--cobalt);outline-offset:4px}
.explore-shell,.search-shell{width:min(var(--container),calc(100% - (var(--gutter) * 2)));margin-inline:auto}
.lk3-discovery-page .btn,.lk3-search-page .btn{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:0 20px;border:2px solid var(--ink);background:transparent;font-weight:800;border-radius:8px}.lk3-discovery-page .btn-dark,.lk3-search-page .btn-dark{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.discovery-apply{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* PAGE 16 · Hero */
.explore-hero{border-bottom:1px solid rgba(21,21,21,.18);background:linear-gradient(180deg,#F8F4EC 0%,var(--paper) 100%);overflow:hidden}.explore-hero-inner{min-height:480px;display:grid;grid-template-columns:70% 30%}.explore-hero-copy{padding:70px 68px 58px 0;display:flex;flex-direction:column;justify-content:center;position:relative}.explore-hero-copy::before{content:"";position:absolute;left:-20px;top:72px;width:5px;height:72px;background:var(--cobalt)}.explore-kicker{display:flex;align-items:center;gap:10px;color:#68635C;font-size:14px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.explore-kicker::before{content:"";width:32px;height:5px;background:var(--red)}.explore-hero h1{max-width:950px;margin:18px 0;font-size:clamp(58px,5.4vw,82px);line-height:.92;letter-spacing:-.06em;font-weight:900;text-wrap:balance}.explore-hero p{max-width:760px;margin:0;color:var(--muted);font-size:18px;line-height:1.62}.explore-hero-media-wrap{min-width:0;width:calc(100% + max(var(--gutter),calc((100vw - var(--container))/2)));margin-right:calc(0px - max(var(--gutter),calc((100vw - var(--container))/2)));padding:30px 0 30px 22px}.explore-hero-media{min-height:420px;height:100%;position:relative;overflow:hidden;border-left:1px solid rgba(21,21,21,.18);background:var(--surface)}.explore-hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.explore-hero-media.is-empty{background:linear-gradient(135deg,var(--sky),var(--mint))}

/* PAGE 16 · controls and recommendations */
.explore-controls{padding:28px 0 44px}.discovery-controls{display:grid;grid-template-columns:1.05fr 1.2fr .95fr;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}.discovery-control{position:relative;padding:14px 18px 15px;border-right:1px solid rgba(21,21,21,.18);background:rgba(255,255,255,.16)}.discovery-control::after{content:"⌄";position:absolute;right:18px;bottom:26px;font-size:18px;font-weight:900;line-height:1;pointer-events:none}.discovery-control:last-of-type{border-right:0}.discovery-control.is-view{background:var(--cobalt);color:#fff}.discovery-control-label{display:block;margin-bottom:6px;color:#777168;font-size:14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.discovery-control.is-view .discovery-control-label{color:rgba(255,255,255,.62)}.discovery-select{appearance:none;-webkit-appearance:none;width:100%;min-height:42px;padding:0 34px 0 8px;border:0;border-radius:0;background:transparent;color:inherit;font-size:15px;font-weight:850;outline:0;box-shadow:none}.discovery-select:focus,.discovery-select:focus-visible{outline:0;box-shadow:none}.discovery-select option{padding:9px 14px}.discovery-control:focus-within{box-shadow:inset 0 -3px 0 var(--ink)}.discovery-control.is-view:focus-within{box-shadow:inset 0 -3px 0 #fff}.discovery-control.is-view .discovery-select option{color:var(--ink);background:#fff}
.explore-recommended{padding:0 0 56px;display:none}.explore-recommended.is-visible{display:block}.reco-grid{display:grid;grid-template-columns:150px repeat(3,minmax(0,1fr));border-top:1px solid rgba(21,21,21,.25);border-bottom:1px solid rgba(21,21,21,.22)}.reco-head,.reco-item{min-height:120px;padding:18px;border-right:1px solid rgba(21,21,21,.17)}.reco-item:last-child{border-right:0}.reco-head{display:flex;flex-direction:column;justify-content:space-between}.reco-kicker{color:#777168;font-size:14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.reco-number{font-size:40px;line-height:.88;letter-spacing:-.06em;font-weight:900;color:rgba(21,21,21,.21)}.reco-item{display:flex;flex-direction:column;justify-content:center}.reco-item strong{display:block;font-size:17px;line-height:1.15;letter-spacing:-.02em}.reco-item span{margin-top:5px;color:var(--muted);font-size:14px;line-height:1.45}

/* PAGE 16 · topic discovery */
.explore-topics{padding:0 0 56px}.explore-section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:18px}.explore-section-head h2{margin:0;font-size:clamp(40px,3.3vw,52px);line-height:.98;letter-spacing:-.05em;font-weight:900}.explore-section-head p{max-width:470px;margin:0;color:var(--muted);font-size:16px;line-height:1.48}.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--ink)}.topic-button{min-height:112px;padding:18px 14px 19px 0;border:0;border-right:1px solid rgba(21,21,21,.14);border-bottom:1px solid rgba(21,21,21,.19);background:transparent;text-align:left}.topic-button:nth-of-type(4n){border-right:0}.topic-button:nth-last-child(-n+4){border-bottom:0}.topic-button+.topic-button{padding-left:14px}.topic-button.is-active{background:var(--lime);padding-left:14px}.topic-button strong{display:block;font-size:20px;line-height:1.05;letter-spacing:-.025em}.topic-button span{display:block;margin-top:8px;color:#777168;font-size:14px;line-height:1.4}

/* PAGE 16 · mixed results */
.explore-results{padding:0 0 88px}.results-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.results-toolbar h2{margin:0;font-size:32px;line-height:1;letter-spacing:-.04em;font-weight:900}.results-count{color:#777168;font-size:14px;font-weight:750}.results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.lk3-discovery-page .result-card{min-height:330px;position:relative;overflow:hidden;border:1px solid rgba(21,21,21,.18);border-top:2px solid var(--ink);background:var(--surface);display:grid;grid-template-rows:auto 1fr}.lk3-discovery-page .result-card::before{content:"";position:absolute;left:0;top:-2px;width:64px;height:5px;background:var(--cobalt);z-index:3}.lk3-discovery-page .result-visual{display:block;height:180px;min-height:180px;position:relative;border-bottom:1px solid rgba(21,21,21,.16);background:#E7E2D8}.lk3-discovery-page .result-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.lk3-discovery-page .result-body{padding:28px 30px 26px;display:flex;flex-direction:column;justify-content:space-between;gap:28px}.lk3-discovery-page .result-mode{color:#777168;font-size:14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.lk3-discovery-page .result-card h3{max-width:560px;margin:11px 0 10px;font-size:32px;line-height:1.01;letter-spacing:-.043em;font-weight:900}.lk3-discovery-page .result-card p{margin:0;max-width:570px;color:var(--muted);font-size:16px;line-height:1.58}.result-link{display:inline-flex;align-items:center;gap:8px;width:max-content;font-size:14px;font-weight:850}.lk3-discovery-page .mode-course::before{background:var(--red)}.lk3-discovery-page .mode-kids{background:var(--sky)}.lk3-discovery-page .mode-kids .result-visual{background:var(--mint)}.lk3-discovery-page .mode-deep{background:#151515;color:var(--paper)}.lk3-discovery-page .mode-deep::before{background:var(--red)}.lk3-discovery-page .mode-deep .result-mode{color:rgba(244,240,231,.5)}.lk3-discovery-page .mode-deep p{color:rgba(244,240,231,.6)}.lk3-discovery-page .mode-challenge{background:var(--lime)}.lk3-discovery-page .mode-challenge::before{background:var(--ink)}.lk3-discovery-page .mode-challenge .result-body{background:repeating-linear-gradient(180deg,transparent 0 46px,rgba(21,21,21,.06) 46px 47px)}
.explore-empty{padding:0 0 72px}.lk3-discovery-page .empty-panel,.lk3-search-page .empty-panel{padding:30px 0;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}.empty-kicker{color:#777168;font-size:14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.lk3-discovery-page .empty-panel h2,.lk3-search-page .empty-panel h2{margin:7px 0;font-size:32px;line-height:1;letter-spacing:-.04em;font-weight:900}.empty-panel p{margin:0;color:var(--muted);font-size:16px}.empty-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* PAGE 19 · query and controls */
.search-query{padding:48px 0 32px}.lk3-search-page .search-kicker{margin:0 0 15px;color:var(--ink);font-size:22px;line-height:1;font-weight:900;letter-spacing:-.02em;text-transform:none}.search-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}.lk3-search-page .search-input{min-height:82px;width:100%;border:0;border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);background:transparent;padding:0 20px 0 0;font-size:clamp(30px,3.5vw,48px);font-weight:900;line-height:1;letter-spacing:-.04em;outline:0;box-shadow:none}.lk3-search-page .search-input::placeholder{color:#A09A90}.lk3-search-page .search-input:focus,.lk3-search-page .search-input:focus-visible{outline:0;box-shadow:none;border-bottom-color:var(--red)}.lk3-search-page .search-submit{min-width:150px;min-height:82px;border:0;background:var(--red);color:#fff!important;-webkit-text-fill-color:#fff;font-size:15px;font-weight:850;padding:0 22px}.search-query-title{margin:18px 0 0;font-size:16px;color:var(--muted)}.search-query-title strong{color:var(--ink)}.search-summary{padding:0 0 26px}.search-summary-row{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(240px,.9fr) minmax(240px,.9fr);border-top:1px solid rgba(21,21,21,.25);border-bottom:1px solid rgba(21,21,21,.2)}.summary-count,.summary-control{min-height:88px;padding:16px 18px 15px 0;border-right:1px solid rgba(21,21,21,.16)}.summary-control{padding-left:18px}.summary-control:last-of-type{border-right:0}.summary-control:focus-within{box-shadow:inset 0 -3px 0 var(--ink)}.summary-label{display:block;margin-bottom:6px;color:#777168;font-size:14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.summary-count strong{font-size:25px;line-height:1;letter-spacing:-.03em}.lk3-search-page .search-select{appearance:none;-webkit-appearance:none;width:100%;min-height:38px;border:0;border-radius:0;background:transparent;padding:0 28px 0 6px;font-size:14px;font-weight:850;outline:0;box-shadow:none}.lk3-search-page .search-select:focus,.lk3-search-page .search-select:focus-visible{outline:0;box-shadow:none}.lk3-search-page .search-select option{padding:9px 14px}

/* PAGE 19 · editorial rows */
.search-results{padding:0 0 54px}.result-index{border-top:2px solid var(--ink)}.search-result{display:grid;grid-template-columns:150px minmax(0,1fr) 160px;gap:30px;align-items:center;min-height:190px;padding:30px 0;border-bottom:1px solid rgba(21,21,21,.2);position:relative}.search-result::before{content:"";position:absolute;left:0;top:-1px;width:60px;height:4px;background:var(--cobalt)}.search-result[data-mode="course"]::before{background:var(--red)}.search-result[data-mode="kids"]::before{background:var(--sky)}.search-result[data-mode="deep"]::before{background:var(--ink)}.search-result[data-mode="challenge"]::before{background:var(--lime)}.lk3-search-page .result-mode{align-self:start;padding-top:7px;color:#5E5951;font-size:14px;font-weight:900;line-height:1.4;letter-spacing:.08em;text-transform:uppercase}.lk3-search-page .result-mode span,.lk3-search-page .result-mode small{display:block}.lk3-search-page .result-mode small{margin-top:10px;color:#6D685F;font-size:14px;font-weight:750;line-height:1.4;letter-spacing:0;text-transform:none}.result-copy h2{margin:0 0 10px;max-width:800px;font-size:31px;line-height:1.02;letter-spacing:-.043em;font-weight:900}.result-copy p{max-width:820px;margin:0;color:var(--muted);font-size:16px;line-height:1.54}.result-action{justify-self:end;align-self:center;min-height:44px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:850;border-bottom:1px solid rgba(21,21,21,.28)}
.search-pagination{padding:0 0 74px}.pagination-row{display:flex;align-items:center;gap:6px;border-top:1px solid rgba(21,21,21,.22);padding-top:18px}.pagination-row a{min-width:44px;height:44px;padding:0 12px;border:1px solid rgba(21,21,21,.2);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}.pagination-row a.is-current{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.search-zero{padding:10px 0 90px}.zero-panel{max-width:840px;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:28px 0 30px}.zero-panel h2{margin:0 0 9px;font-size:34px;line-height:1;letter-spacing:-.04em;font-weight:900}.zero-panel p{margin:0;color:var(--muted);font-size:16px}.search-empty{padding:10px 0 82px}

@media(max-width:1450px){.lk3-discovery-body{--gutter:48px}}
@media(max-width:1199px){.lk3-discovery-body{--gutter:40px}.explore-hero-inner{grid-template-columns:68% 32%}.explore-hero-copy{padding-right:46px}}
@media(max-width:959px){.explore-hero-inner{grid-template-columns:1fr}.explore-hero-copy{padding:52px 0 40px}.explore-hero-copy::before{left:0;top:48px;width:46px;height:5px}.explore-kicker{padding-top:15px}.explore-hero-media-wrap{width:calc(100% + (var(--gutter) * 2));margin-left:calc(0px - var(--gutter));margin-right:calc(0px - var(--gutter));padding:18px var(--gutter) 28px}.explore-hero-media{min-height:320px;border-left:0}.reco-grid{grid-template-columns:140px repeat(2,minmax(0,1fr))}.reco-item:nth-child(4){display:none}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-button:nth-of-type(4n){border-right:1px solid rgba(21,21,21,.14)}.topic-button:nth-of-type(2n){border-right:0}.topic-button:nth-last-child(-n+4){border-bottom:1px solid rgba(21,21,21,.19)}.topic-button:nth-last-child(-n+2){border-bottom:0}.search-summary-row{grid-template-columns:1fr 1fr}.summary-count{grid-column:1/-1;border-right:0;border-bottom:1px solid rgba(21,21,21,.16)}.search-result{grid-template-columns:120px minmax(0,1fr)}.result-action{grid-column:2;justify-self:start}}
@media(max-width:620px){.lk3-discovery-body{--gutter:20px}.explore-hero-copy{padding:42px 0 30px}.explore-hero h1{font-size:clamp(40px,11vw,48px)}.explore-hero p{font-size:16px}.explore-hero-media-wrap{padding:14px var(--gutter) 22px}.explore-hero-media{min-height:220px}.explore-controls{padding-bottom:36px}.discovery-controls{grid-template-columns:1fr}.discovery-control{border-right:0;border-bottom:1px solid rgba(21,21,21,.18)}.discovery-control:last-of-type{border-bottom:0}.explore-recommended{padding-bottom:44px}.reco-grid{grid-template-columns:1fr}.reco-head,.reco-item{min-height:auto;border-right:0;border-bottom:1px solid rgba(21,21,21,.17)}.reco-item:nth-child(4){display:flex}.reco-item:last-child{border-bottom:0}.reco-head{gap:8px}.reco-number{font-size:32px}.explore-section-head{display:grid;gap:8px}.explore-section-head h2{font-size:34px}.topic-grid{grid-template-columns:1fr 1fr}.topic-button{min-height:106px;padding:16px 10px 16px 0}.topic-button+.topic-button,.topic-button.is-active{padding-left:10px}.topic-button strong{font-size:17px}.topic-button span{font-size:14px}.results-toolbar{align-items:flex-start;flex-direction:column;gap:7px}.results-grid{grid-template-columns:1fr;gap:20px}.lk3-discovery-page .result-card{min-height:0}.lk3-discovery-page .result-body{padding:24px 22px 22px}.lk3-discovery-page .result-card h3{font-size:29px}.lk3-discovery-page .result-visual{height:145px;min-height:145px}.empty-actions{display:grid}.empty-actions .btn{width:100%}.search-query{padding:34px 0 24px}.search-form{grid-template-columns:1fr;gap:10px}.lk3-search-page .search-input{min-height:68px;font-size:34px}.lk3-search-page .search-submit{min-height:52px;width:100%}.search-summary-row{grid-template-columns:1fr}.summary-count,.summary-control{min-height:auto;padding:15px 0;border-right:0;border-bottom:1px solid rgba(21,21,21,.16)}.summary-control{padding-left:0}.summary-control:last-of-type{border-bottom:0}.search-result{grid-template-columns:1fr;gap:9px;padding:25px 0}.lk3-search-page .result-mode{padding-top:0}.result-copy h2{font-size:28px}.result-action{grid-column:1;justify-self:start;margin-top:5px}.pagination-row{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.lk3-discovery-body *,.lk3-discovery-body *::before,.lk3-discovery-body *::after{scroll-behavior:auto!important;transition:none!important}}

/* QA14 · Search controls, native dropdown affordance and consistent hover. */
.lk3-search-page .search-select {
 padding-right:40px;
 background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23151515' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
 background-repeat:no-repeat;background-size:18px;background-position:right 10px center;cursor:pointer;
}
.lk3-search-page .search-select:hover {background-color:rgba(21,21,21,.05);}
.lk3-search-page .search-select:focus-visible {outline:2px solid var(--ink);outline-offset:2px;}
.lk3-search-page .search-submit,.lk3-search-page .btn,
.lk3-search-page .pagination-row a,.lk3-search-page .result-action,
.lk3-search-page .result-copy h2 a {transition:background-color .16s ease,color .16s ease,border-color .16s ease;}
.lk3-search-page .search-submit:hover {background:var(--ink);}
.lk3-search-page .btn:hover {background:var(--ink);color:var(--paper);}
.lk3-search-page .btn-dark:hover {background:var(--red);border-color:var(--red);color:#fff;}
.lk3-search-page .result-action:hover {color:var(--red);border-bottom-color:var(--red);}
.lk3-search-page .result-copy h2 a:hover {color:var(--red);}
.lk3-search-page .pagination-row a:hover {background:var(--ink);color:var(--paper);border-color:var(--ink);}
.lk3-search-page .pagination-row a.is-current:hover {background:var(--red);border-color:var(--red);color:#fff;}
@media(prefers-reduced-motion:reduce){.lk3-search-page .search-submit,.lk3-search-page .btn,.lk3-search-page .pagination-row a,.lk3-search-page .result-action,.lk3-search-page .result-copy h2 a{transition:none;}}

/* QA18 · Explore: half-image Hero and a neutral, consistent catalogue. */
.lk3-discovery-page .explore-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:0;}
.lk3-discovery-page .explore-hero-copy{padding-right:48px;}
.lk3-discovery-page .explore-hero-copy::before,.lk3-discovery-page .explore-kicker::before{content:none;}
.lk3-discovery-page .explore-hero-photo{position:relative;overflow:hidden;min-height:390px;background:var(--surface);width:calc(100% + max(var(--gutter),calc((100vw - var(--container))/2)));margin-right:calc(0px - max(var(--gutter),calc((100vw - var(--container))/2)));}
.lk3-discovery-page .explore-hero-photo img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover;}
.lk3-discovery-page .results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.lk3-discovery-page .result-card{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--surface)!important;color:var(--ink);}
.lk3-discovery-page .result-visual{position:relative;width:100%;height:auto;min-height:0;aspect-ratio:16/9;overflow:hidden;background:var(--surface);}
.lk3-discovery-page .result-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}
.lk3-discovery-page .result-visual::before,.lk3-discovery-page .result-visual::after{content:none;}
.lk3-discovery-page .result-body{display:flex;flex:1;flex-direction:column;justify-content:space-between;gap:22px;padding:26px 28px;background:var(--surface)!important;}
.lk3-discovery-page .result-link{min-height:44px;display:inline-flex;align-items:center;}
.lk3-discovery-page .result-link:hover,.lk3-discovery-page .reco-item:hover strong{color:var(--red);}
@media(max-width:959px){.lk3-discovery-page .explore-hero-inner{grid-template-columns:1fr;}.lk3-discovery-page .explore-hero-copy{padding-right:0;}.lk3-discovery-page .explore-hero-photo{width:calc(100% + var(--gutter)*2);margin-inline:calc(0px - var(--gutter));min-height:300px;}}
@media(max-width:620px){.lk3-discovery-page .results-grid{grid-template-columns:1fr;}.lk3-discovery-page .result-body{padding:22px;}.lk3-discovery-page .explore-hero-photo{min-height:250px;}}

.lk3-discovery-page .result-card::before{background:var(--ink);}
.lk3-discovery-page .result-card .result-visual{background:var(--surface);}
.lk3-discovery-page .result-card .result-mode,.lk3-discovery-page .result-card .result-body p{color:var(--muted);}
.lk3-discovery-page .result-card h3,.lk3-discovery-page .result-card .result-link{color:var(--ink);}
.lk3-discovery-page .result-card .result-link:hover{color:var(--red);}