:root{--bg:#090612;--ink:#17121c;--muted:#706a76;--line:#e9e3ec;--card:#fff;--soft:#f7f4fa;--fuchsia:#ef36c4;--violet:#7957ff;--grad:linear-gradient(135deg,#ef36c4,#7957ff)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff}.public-header{height:76px;display:flex;align-items:center;gap:32px;padding:0 clamp(20px,5vw,72px);border-bottom:1px solid #eee9f0;background:rgba(255,255,255,.94);position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.public-logo img{width:150px;height:auto;display:block}.public-header nav{display:flex;gap:24px;flex:1}.public-header nav a,.public-actions a{color:#4d4752;text-decoration:none;font-size:14px}.public-header nav a.active{color:#151018;font-weight:700}.public-actions{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:12px 18px;font-weight:700;font-size:14px;border:1px solid transparent}.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(120,72,255,.2)}.btn-light{background:#fff;border-color:#ddd6e3;color:#201a24!important}.btn-wide{width:100%}.catalog-hero,.course-detail-hero{background:radial-gradient(circle at 80% 10%,rgba(239,54,196,.25),transparent 34%),radial-gradient(circle at 20% 80%,rgba(121,87,255,.24),transparent 30%),var(--bg);color:#fff;padding:clamp(70px,9vw,120px) clamp(20px,7vw,100px);display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:60px;align-items:center}.catalog-hero h1,.course-detail-hero h1{font-size:clamp(48px,7vw,88px);line-height:.96;letter-spacing:-.055em;margin:12px 0 26px;max-width:900px}.catalog-hero p:not(.eyebrow),.detail-lead{font-size:20px;line-height:1.6;color:#d9d2e1;max-width:720px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:#6d28d9;margin:0 0 12px}.catalog-hero .eyebrow,.detail-hero .eyebrow,.detail-cta .eyebrow{color:#c4b5fd}.catalog-promise{border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:28px;background:rgba(255,255,255,.06);display:grid;gap:10px}.catalog-promise span{font-size:12px;color:#f36bd1}.catalog-promise strong{font-size:26px}.catalog-promise small{color:#bfb5ca}.catalog-grid{max-width:1240px;margin:0 auto;padding:70px 24px 100px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.course-card{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fff;box-shadow:0 12px 36px rgba(30,16,40,.06);display:flex;flex-direction:column;min-height:360px}.course-card-top{display:flex;justify-content:space-between}.course-index{font-weight:900;color:#5c5563}.course-access{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#7557cf}.course-card h2{font-size:32px;letter-spacing:-.03em;margin:30px 0 12px}.course-card p{color:var(--muted);line-height:1.6;min-height:76px}.course-stats{display:flex;gap:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:20px 0}.course-stats span{font-size:12px;color:#7b7280}.course-stats b{color:#211b25}.course-card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.course-card-footer strong{font-size:15px}.empty-card{grid-column:1/-1;padding:60px;border:1px dashed #cfc5d6;border-radius:22px;text-align:center}.course-detail-hero{grid-template-columns:minmax(0,1fr) 390px;padding-top:85px;padding-bottom:85px}.detail-pills{display:flex;flex-wrap:wrap;gap:10px}.detail-pills span{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:999px;padding:9px 13px;color:#ded6e7;font-size:12px}.enroll-card{background:#fff;color:#17121c;border-radius:24px;padding:30px;box-shadow:0 25px 70px rgba(0,0,0,.3)}.enroll-card .eyebrow{color:#7658d9}.price{font-size:52px;font-weight:900;letter-spacing:-.05em;margin:8px 0}.price.free{font-size:42px}.price small{font-size:14px;letter-spacing:.1em}.enroll-card p:not(.eyebrow){color:#716a77;line-height:1.55}.enroll-note{display:block;text-align:center;color:#817887;margin-top:14px;font-size:12px}.retention-grid{max-width:1240px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.retention-grid article{background:var(--soft);border-radius:22px;padding:30px}.feature-icon{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;font-size:12px;font-weight:900}.retention-grid h2{font-size:25px;line-height:1.12;letter-spacing:-.03em}.retention-grid p,.detail-section p{color:var(--muted);line-height:1.65}.detail-section{max-width:1240px;margin:0 auto;padding:75px 24px}.section-title h2,.detail-section h2{font-size:clamp(34px,4vw,56px);letter-spacing:-.045em;max-width:700px}.curriculum-public{border-top:1px solid var(--line)}.curriculum-public article{display:grid;grid-template-columns:100px 1fr 30px;gap:24px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}.curriculum-public h3{margin:0 0 6px;font-size:21px}.curriculum-public span{font-size:12px;color:#827889}.curriculum-public p{margin:0 0 7px}.module-number{font-size:12px;font-weight:900;letter-spacing:.13em;color:#5c5563}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;background:var(--soft);max-width:none;padding-left:max(24px,calc((100% - 1192px)/2));padding-right:max(24px,calc((100% - 1192px)/2))}.skill-chips{display:flex;align-content:flex-start;flex-wrap:wrap;gap:12px;padding-top:30px}.skill-chips span{padding:13px 16px;background:#fff;border:1px solid var(--line);border-radius:999px;font-weight:700}.detail-cta{margin:30px auto 90px;max-width:1000px;border-radius:28px;background:var(--bg);color:#fff;padding:65px 30px;text-align:center}.detail-cta h2{font-size:clamp(36px,5vw,60px);letter-spacing:-.05em;margin:10px auto;max-width:750px}.detail-cta p:not(.eyebrow){color:#c9c0d3;max-width:650px;margin:0 auto 25px}.public-footer{background:#0b0714;color:var(--text-on-dark,#e7e2ec);padding:35px 7%;display:flex;align-items:center;gap:24px}.public-footer nav{display:flex;gap:18px;flex-wrap:wrap}.public-footer a{color:var(--link-on-dark,#c4b5fd);text-decoration:underline}.public-footer img{width:135px}.simple-state{min-height:100vh;display:grid;place-items:center;background:var(--bg);padding:20px}.state-card{background:#fff;max-width:600px;padding:45px;border-radius:25px;text-align:center}.state-card h1{font-size:42px;letter-spacing:-.04em}.state-card p:not(.eyebrow){color:#706a76;line-height:1.6}@media(max-width:900px){.public-header nav{display:none}.catalog-hero,.course-detail-hero{grid-template-columns:1fr}.catalog-grid,.retention-grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr;gap:20px}.public-actions .text-link{display:none}}@media(max-width:620px){.public-header{padding:0 16px;height:68px}.public-logo img{width:125px}.public-actions .btn-light{display:none}.catalog-hero,.course-detail-hero{padding:65px 20px}.catalog-hero h1,.course-detail-hero h1{font-size:48px}.course-card-footer{align-items:flex-start;flex-direction:column}.curriculum-public article{grid-template-columns:1fr 25px}.curriculum-public .module-number{grid-column:1/-1}.retention-grid,.detail-section{padding-top:55px;padding-bottom:55px}.detail-cta{margin:15px 20px 55px}.public-footer{flex-direction:column;align-items:flex-start}}


/* =========================================================
   v1.8 — BENCHMARK-DRIVEN PUBLIC COURSE EXPERIENCE
   ========================================================= */
.public-skip-link{position:fixed;left:18px;top:-80px;z-index:999;background:#fff;color:#17121c;padding:12px 16px;border-radius:10px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.public-skip-link:focus{top:18px}
:where(a,button,input,select):focus-visible{outline:3px solid #ef36c4;outline-offset:3px}
.public-header a,.public-header button,.btn,.catalog-filter,.catalog-sort select{min-height:44px}
.public-header nav a{display:inline-flex;align-items:center}
.catalog-hero-v18{padding-bottom:85px}
.catalog-discovery{max-width:1240px;margin:-28px auto 0;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 50px rgba(25,13,35,.11);display:grid;grid-template-columns:minmax(260px,1fr) auto auto;gap:18px;align-items:end;position:relative;z-index:2}
.catalog-search-wrap,.catalog-sort{display:grid;gap:7px}
.catalog-search-wrap label,.catalog-sort span{font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.catalog-search-wrap input,.catalog-sort select{width:100%;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink);font:inherit;padding:0 13px;height:46px}
.catalog-filter-group{display:flex;gap:7px;flex-wrap:wrap}
.catalog-filter{border:1px solid var(--line);border-radius:999px;background:#fff;color:#4f4655;font-weight:800;font-size:12px;padding:0 14px;cursor:pointer}
.catalog-filter:hover,.catalog-filter.is-active{border-color:#7957ff;color:#5d40d8;background:#f6f2ff}
.catalog-results-head{max-width:1240px;margin:0 auto;padding:62px 24px 0;display:flex;align-items:end;justify-content:space-between;gap:20px}
.catalog-results-head h2{margin:0;font-size:34px;letter-spacing:-.035em}
.catalog-results-head>p{margin:0;color:var(--muted);font-size:12px;font-weight:800}
.course-card[hidden]{display:none!important}
.course-card h3{font-size:32px;letter-spacing:-.03em;margin:30px 0 12px}
.course-outcomes{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.course-outcomes span{display:inline-flex;align-items:center;min-height:34px;padding:0 10px;border-radius:999px;background:#f5f1fb;color:#655b6a;font-size:12px}
.course-outcomes b{color:#5e42d7;margin-right:4px}
.catalog-no-results{grid-column:1/-1;padding:52px;border:1px dashed #cfc5d6;border-radius:22px;text-align:center;display:grid;gap:6px;color:var(--muted)}
.catalog-no-results strong{color:var(--ink);font-size:20px}
.course-breadcrumb{max-width:1240px;margin:0 auto;padding:24px 24px 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:#5c5563}
.course-breadcrumb a{color:#675a70;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.detail-outcome-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:26px 0 14px;max-width:650px}
.detail-outcome-strip>div{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:14px;padding:13px}
.detail-outcome-strip strong{display:block;font-size:25px;line-height:1;color:#fff}
.detail-outcome-strip span{display:block;font-size:12px;color:#bfb5ca;margin-top:5px}
.enroll-card{position:sticky;top:98px}
.enroll-secondary{display:flex;align-items:center;justify-content:center;min-height:44px;margin-top:8px;color:#5f48c8;font-size:12px;font-weight:800;text-decoration:none}
@media(max-width:900px){
  .public-header nav{display:flex;gap:14px}
  .catalog-discovery{grid-template-columns:1fr;margin:18px 20px 0}
  .enroll-card{position:static}
}
@media(max-width:760px){
  .public-header nav{display:none}
  .catalog-results-head{align-items:flex-start;flex-direction:column}
  .detail-outcome-strip{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .catalog-filter-group{display:grid;grid-template-columns:repeat(3,1fr)}
  .catalog-filter{padding:0 8px}
  .detail-outcome-strip{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}


/* ABC v2.4 production accessibility closure */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
:where(a,button,input,select,textarea,summary,[role="button"]):focus-visible{outline:3px solid #ed0a5a!important;outline-offset:3px!important}
:where(button,.btn,.button,[role="button"],input[type="submit"],input[type="button"],nav a,.public-actions a){min-height:44px}
:where(.muted,.meta,.helper,.note,.progress-note,.course-meta,.card-meta,.insights-note){color:#5c5563}
:where(.eyebrow,.course-meta span,.course-tag,.feature-meta,.insights-note){font-size:12px!important;line-height:1.4}
.section-dark :where(.muted,.meta,.helper,.note,.progress-note,.card-meta){color:#cfc5d6}
.section-dark :where(.eyebrow,.text-link){color:#ff65a5}
section[id],article[id],[id].course-card,[id].catalog-card{scroll-margin-top:96px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}


/* ABC v2.5 final AA tuning */
:where(.page-light,.section-light,.card,.course-card,.catalog-card,.profile-card,.learning-card,.insights-card) a:not(.btn){color:#6d28d9}
:where(.page-light,.section-light,.card,.course-card,.catalog-card,.profile-card,.learning-card,.insights-card) :where(.muted,.meta,.helper,.note,.progress-note){color:#5c5563}
:where(.eyebrow,.meta,.helper,.note,.course-meta,.card-meta,.progress-note,.tag,.badge){font-size:max(12px,0.75rem)}
:where(a,button,input,select,textarea,summary,[role="button"]){touch-action:manipulation}
:where(nav a,.public-links a,.public-actions a,.learning-nav a,.language-switch a,.language-switch button){min-height:44px;display:inline-flex;align-items:center}

/* ABC v2.6 */
:where(.eyebrow,.meta,.helper,.note,.course-meta,.card-meta,.progress-note,.tag,.badge,.microcopy){font-size:max(12px,.75rem)!important}