:root{--ink:#111827;--muted:#667085;--line:#e7eaf0;--brand:#5b5cf0;--brand2:#8b5cf6;--bg:#f7f8fc;--card:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}.wrap{max-width:1180px;margin:auto;padding:0 24px}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:24px;font-weight:850;letter-spacing:-1px}.brand span{color:var(--brand)}.links{display:flex;gap:28px;align-items:center;color:#344054;font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:12px;background:var(--ink);color:#fff;font-weight:750;border:0}.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2))}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.hero{padding:78px 0 66px;background:radial-gradient(circle at 80% 15%,#eeeaff 0,transparent 35%),linear-gradient(#fff,#fafaff)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:13px}.hero h1{font-size:64px;line-height:1.02;letter-spacing:-3px;margin:14px 0 20px}.hero p{font-size:19px;line-height:1.7;color:var(--muted);max-width:640px}.actions{display:flex;gap:12px;margin-top:30px}.visual{background:#111827;border-radius:28px;padding:18px;box-shadow:0 30px 80px #5046e52b;transform:rotate(1deg)}.screen{background:#fff;border-radius:18px;padding:20px;min-height:380px}.mini{display:flex;gap:12px;margin-bottom:18px}.dot{width:10px;height:10px;border-radius:50%;background:#d0d5dd}.lesson{padding:16px;border:1px solid var(--line);border-radius:14px;margin:12px 0}.bar{height:8px;border-radius:99px;background:#eceefe;overflow:hidden}.bar i{display:block;width:68%;height:100%;background:var(--brand)}section{padding:76px 0}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.section-head h2{font-size:38px;letter-spacing:-1.5px;margin:0}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--card);transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:0 20px 50px #10182814}.thumb{height:175px;background:linear-gradient(135deg,#111827,#5b5cf0);display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px;font-weight:900}.card-body{padding:20px}.tag{display:inline-block;background:#f0efff;color:#5145cd;padding:6px 9px;border-radius:8px;font-size:12px;font-weight:800}.card h3{font-size:20px;margin:13px 0 8px}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:14px;margin-top:18px}.price{font-weight:850;color:var(--ink)}.features{background:var(--bg)}.feature{padding:26px;border-radius:18px;background:#fff;border:1px solid var(--line)}.feature b{display:block;font-size:18px;margin:10px 0}.footer{padding:38px 0;border-top:1px solid var(--line);color:var(--muted)}.auth{max-width:460px;margin:70px auto;padding:30px;border:1px solid var(--line);border-radius:22px}.field{margin:16px 0}.field label{display:block;font-weight:700;margin-bottom:7px}.field input{width:100%;padding:13px 14px;border:1px solid #d0d5dd;border-radius:10px;font:inherit}.notice{padding:12px;border-radius:10px;background:#fff1f2;color:#9f1239;margin:12px 0}.dash{background:var(--bg);min-height:100vh}.dash-card{background:#fff;border:1px solid var(--line);padding:24px;border-radius:18px}@media(max-width:800px){.links a:not(.btn){display:none}.hero-grid,.grid{grid-template-columns:1fr}.hero{padding-top:48px}.hero h1{font-size:44px;letter-spacing:-2px}.visual{transform:none}.section-head{display:block}.section-head .btn{margin-top:16px}}

.user-chip{font-weight:800;background:#f2f0ff;padding:9px 12px;border-radius:999px}.page{padding-top:64px;padding-bottom:80px}.narrow{max-width:900px}.muted{color:var(--muted)}.empty{grid-column:1/-1;border:1px dashed var(--line);padding:32px;border-radius:18px;background:#fff}.course-link{text-decoration:none;color:inherit}.course-hero{background:linear-gradient(135deg,#f7f8ff,#f3efff);padding:72px 0}.course-layout{display:grid;grid-template-columns:1.5fr .7fr;gap:60px;align-items:center}.lead{font-size:19px;color:var(--muted);line-height:1.7}.meta-line{font-weight:800}.buy-card,.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 18px 50px #1018280b}.price{font-size:34px;font-weight:900;margin-bottom:18px}.wide{width:100%}.curriculum{display:grid;gap:16px}.curr-section{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px;margin-bottom:14px}.lesson-row{display:flex;justify-content:space-between;padding:13px 4px;border-top:1px solid var(--line)}.lesson-row:first-of-type{border-top:0}.progress{height:8px;background:#eceefe;border-radius:20px;overflow:hidden;margin:18px 0}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2))}.learn-shell{display:grid;grid-template-columns:300px 1fr;min-height:calc(100vh - 76px)}.lesson-nav{padding:30px;background:#101828;color:#fff}.lesson-nav>a{display:block;color:#cfd5e5;text-decoration:none;padding:11px;border-radius:9px}.lesson-nav>a.active{background:#27324a;color:#fff}.lesson-content{max-width:900px;padding:60px}.lesson-copy{font-size:17px;line-height:1.8;margin:25px 0 35px}.video-box{padding:28px;border-radius:16px;background:#101828;margin:24px 0}.video-box a{color:#fff}.admin-table{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.tr{display:grid;grid-template-columns:2fr 1fr 1fr 1fr .5fr;padding:15px 18px;border-top:1px solid var(--line)}.tr.th{border:0;background:#f8f9fc;font-weight:800}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid label{display:block;font-weight:700}.form-grid input,.form-grid textarea,.form-grid select,.panel input,.panel textarea,.panel select{width:100%;padding:12px;border:1px solid #d0d5dd;border-radius:10px;font:inherit;margin-top:7px}.form-grid .full{grid-column:1/-1}.check{display:flex!important;align-items:center;gap:9px}.check input{width:auto!important}.admin-two{display:grid;grid-template-columns:1.3fr .8fr;gap:28px}.admin-two .panel{margin-bottom:20px}.notice{padding:12px 16px;background:#ecfdf3;border:1px solid #abefc6;border-radius:10px;margin-bottom:18px}
@media(max-width:800px){.course-layout,.admin-two,.learn-shell{grid-template-columns:1fr}.lesson-nav{display:none}.lesson-content{padding:30px 20px}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.tr{grid-template-columns:2fr 1fr 1fr}.tr span:nth-child(4){display:none}}

.hero-points{display:flex;flex-wrap:wrap;gap:16px;margin-top:22px;color:#475467;font-size:14px;font-weight:750}
.data-visual .screen{min-height:420px}.data-visual h2{font-size:30px;letter-spacing:-1px;margin:8px 0 20px}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
.metric-row div{background:#f8f7ff;border:1px solid #e9e6ff;border-radius:14px;padding:14px}
.metric-row b{display:block;color:var(--brand);font-size:18px}.metric-row span{font-size:13px;color:#667085;font-weight:700}
.chart-card{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:16px;margin:16px 0 20px}
.chart-bars{height:92px;display:flex;align-items:flex-end;gap:7px;padding:8px;background:#fafaff;border-radius:10px}
.chart-bars i{flex:1;border-radius:5px 5px 2px 2px;background:linear-gradient(var(--brand2),var(--brand))}
.chart-bars i:nth-child(1){height:32%}.chart-bars i:nth-child(2){height:48%}.chart-bars i:nth-child(3){height:42%}.chart-bars i:nth-child(4){height:70%}.chart-bars i:nth-child(5){height:62%}.chart-bars i:nth-child(6){height:90%}
.section-copy{margin:10px 0 0;font-size:16px}.two-course-grid{grid-template-columns:repeat(2,1fr);max-width:1000px}
.premium-course .thumb{height:210px;flex-direction:column;gap:7px;align-items:flex-start;padding:28px}
.premium-course .thumb span{font-size:52px;line-height:1}.premium-course .thumb small{font-size:12px;letter-spacing:.16em;opacity:.8}
.analytics-thumb{background:linear-gradient(135deg,#0f172a,#4f46e5)}.science-thumb{background:linear-gradient(135deg,#111827,#7c3aed)}
.premium-course .card-body{padding:26px}.premium-course h3{font-size:27px;letter-spacing:-.7px}.premium-course p{line-height:1.7}
.skill-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.skill-tags span{background:#f8f9fc;border:1px solid var(--line);padding:7px 10px;border-radius:999px;font-size:12px;font-weight:750;color:#475467}
.course-action{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:#667085}.course-action a{color:var(--brand);font-weight:850}
.home-cta{padding-top:20px}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#111827;color:#fff;border-radius:26px;padding:42px}.cta-box h2{font-size:36px;letter-spacing:-1.2px;margin:8px 0 0;max-width:650px}
@media(max-width:800px){.hero-points{gap:10px}.metric-row{grid-template-columns:1fr}.chart-card{grid-template-columns:1fr}.two-course-grid{grid-template-columns:1fr}.cta-box{display:block;padding:28px}.cta-box h2{font-size:29px}.cta-box .btn{margin-top:22px}}

.ml-thumb{background:linear-gradient(135deg,#0b3b45,#0f766e)}
@media(min-width:801px){.two-course-grid{grid-template-columns:repeat(3,1fr);max-width:1180px}.premium-course .thumb{height:190px}}

/* v2.4 premium homepage */
.v24 h1,.v24 h2,.v24 h3{letter-spacing:-.045em}.premium-hero{padding:86px 0 92px;background:radial-gradient(circle at 76% 25%,#eeeaff 0,transparent 30%),linear-gradient(180deg,#fff 0,#fbfbff 100%)}
.premium-hero h1{font-size:64px;line-height:.98;margin:16px 0 24px}.premium-hero h1 span{color:#6551f3}.premium-hero p{font-size:18px;line-height:1.7;max-width:620px;color:#667085}
.trust-row{display:flex;align-items:center;gap:16px;margin-top:36px;font-size:11px;color:#98a2b3;letter-spacing:.08em}.trust-row b{font-size:14px;color:#101828;letter-spacing:0}.trust-row i{width:38px;height:1px;background:#d0d5dd}
.hero-product{background:#101828;border-radius:26px;padding:10px;box-shadow:0 28px 70px rgba(16,24,40,.18);transform:rotate(1.2deg)}.product-top{height:45px;color:#d0d5dd;display:flex;justify-content:space-between;align-items:center;padding:0 14px;font-size:12px}.live-pill{background:#27314a;padding:7px 10px;border-radius:99px;color:#c8ffdc}.product-main{display:grid;grid-template-columns:145px 1fr;background:white;border-radius:18px;overflow:hidden;min-height:365px}.product-side{padding:24px 15px;background:#f7f7fb;display:flex;flex-direction:column;gap:8px;font-size:12px}.product-side b{margin-bottom:10px}.product-side span{padding:10px;border-radius:8px;color:#667085}.product-side .active{background:#6551f3;color:white;font-weight:700}.product-content{padding:30px}.product-content h3{font-size:29px;margin:6px 0 22px}.product-content>small,.new-body>small{color:#6551f3;font-weight:850;letter-spacing:.12em}.dash-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.dash-metrics div{border:1px solid #eaecf0;border-radius:12px;padding:14px}.dash-metrics strong,.dash-metrics small{display:block}.dash-metrics small{color:#98a2b3;margin-top:5px}.insight{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:center;margin-top:18px;padding:15px;background:#f8f7ff;border-radius:14px}.insight p{font-size:12px;line-height:1.45;margin:5px 0}.mini-chart{height:70px;display:flex;align-items:flex-end;gap:6px}.mini-chart i{width:16%;background:#6551f3;border-radius:4px 4px 1px 1px}.mini-chart i:nth-child(1){height:30%}.mini-chart i:nth-child(2){height:55%}.mini-chart i:nth-child(3){height:44%}.mini-chart i:nth-child(4){height:75%}.mini-chart i:nth-child(5){height:94%}
.course-section,.experience,.faq{padding:100px 0}.section-kicker{font-size:12px;font-weight:900;letter-spacing:.15em;color:#6551f3;margin-bottom:14px}.section-title-row{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:44px}.section-title-row h2,.path-section h2,.faq h2{font-size:43px;line-height:1.08;margin:0}.section-title-row p{max-width:430px;color:#667085;line-height:1.7;margin:0}
.premium-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.new-course{border:1px solid #e4e7ec;border-radius:22px;overflow:hidden;background:#fff;transition:.25s}.new-course:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(16,24,40,.09)}.course-art{height:220px;position:relative;padding:24px;color:#fff;overflow:hidden}.course-art>span{font-size:13px;font-weight:850;opacity:.75}.art-da{background:linear-gradient(135deg,#17184a,#4f46e5)}.art-ds{background:linear-gradient(135deg,#30145c,#7c3aed)}.art-ml{background:linear-gradient(135deg,#063e43,#0f766e)}.art-grid{position:absolute;right:35px;bottom:35px;width:150px;height:105px;display:flex;align-items:flex-end;gap:10px}.art-grid i{flex:1;background:rgba(255,255,255,.9);border-radius:5px}.art-grid i:nth-child(1){height:32%}.art-grid i:nth-child(2){height:58%}.art-grid i:nth-child(3){height:48%}.art-grid i:nth-child(4){height:88%}.orbit{position:absolute;width:135px;height:135px;border:1px solid rgba(255,255,255,.5);border-radius:50%;right:38px;bottom:28px}.orbit:after,.orbit:before{content:"";position:absolute;border:1px solid rgba(255,255,255,.35);border-radius:50%;inset:20px}.orbit:after{inset:43px;background:white}.orbit i{position:absolute;width:13px;height:13px;background:#fff;border-radius:50%}.orbit i:nth-child(1){top:8px;left:28px}.orbit i:nth-child(2){right:4px;top:60px}.orbit i:nth-child(3){bottom:8px;left:32px}.nodes{position:absolute;right:35px;bottom:30px;width:155px;height:120px;background:linear-gradient(35deg,transparent 48%,rgba(255,255,255,.3) 49%,rgba(255,255,255,.3) 51%,transparent 52%)}.nodes i{position:absolute;width:18px;height:18px;border-radius:50%;background:white}.nodes i:nth-child(1){left:5px;bottom:8px}.nodes i:nth-child(2){left:48px;bottom:50px}.nodes i:nth-child(3){left:88px;bottom:25px}.nodes i:nth-child(4){right:3px;top:5px}.nodes i:nth-child(5){left:22px;top:5px}.nodes i:nth-child(6){right:25px;bottom:4px}.new-body{padding:26px}.new-body h3{font-size:25px;line-height:1.15;margin:9px 0 12px}.new-body p{color:#667085;line-height:1.65;min-height:80px}.tool-row{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0 22px}.tool-row b{font-size:11px;padding:7px 9px;border:1px solid #e4e7ec;border-radius:99px}.new-body a{font-weight:850;color:#101828}.new-body a span{color:#6551f3}
.path-section{padding:95px 0;background:#f7f7fb}.path-line{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:45px}.path-line div{padding:30px;border-top:2px solid #d9d6ff;position:relative}.path-line div:before{content:"";width:12px;height:12px;border-radius:50%;background:#6551f3;position:absolute;top:-7px;left:30px}.path-line em,.path-line b,.path-line span{display:block}.path-line em{font-style:normal;color:#6551f3;font-weight:850;font-size:12px}.path-line b{font-size:22px;margin:10px 0}.path-line span{color:#667085;line-height:1.6}.path-note{font-size:13px;color:#98a2b3;margin:5px 30px}
.experience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.experience-grid div{border:1px solid #e4e7ec;border-radius:18px;padding:25px}.experience-grid span{font-weight:900;color:#6551f3}.experience-grid h3{font-size:22px;margin:28px 0 8px}.experience-grid p{color:#667085;line-height:1.6}
.audience{padding:30px 0 90px}.audience-box{background:#101828;border-radius:28px;color:white;padding:55px;display:grid;grid-template-columns:1fr 1fr;gap:70px}.audience-box h2{font-size:43px;line-height:1.08;margin:12px 0}.section-kicker.light{color:#9b8cff}.audience-list{display:grid;gap:0}.audience-list span{padding:17px 0;border-bottom:1px solid #344054;color:#e4e7ec}.audience-list span:before{content:"✓";color:#9b8cff;margin-right:12px;font-weight:900}
.faq{background:#fafafa}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:38px}.faq-grid div{background:white;border:1px solid #eaecf0;border-radius:16px;padding:24px}.faq-grid b{font-size:17px}.faq-grid p{color:#667085;line-height:1.6;margin-bottom:0}
.final-cta{padding:85px 0}.final-box{text-align:center;background:linear-gradient(135deg,#5946ed,#7c3aed);border-radius:30px;padding:65px 25px;color:white}.final-box small{font-weight:850;letter-spacing:.13em}.final-box h2{font-size:46px;max-width:720px;margin:15px auto 28px}.light-btn{background:white!important;color:#4f46e5!important}
@media(max-width:800px){.premium-hero{padding:55px 0}.premium-hero h1{font-size:45px}.hero-product{margin-top:30px;transform:none}.product-main{grid-template-columns:1fr}.product-side{display:none}.product-content{padding:22px}.section-title-row{display:block}.section-title-row h2,.path-section h2,.faq h2,.audience-box h2,.final-box h2{font-size:34px}.section-title-row p{margin-top:18px}.premium-course-grid,.path-line,.experience-grid,.faq-grid,.audience-box{grid-template-columns:1fr}.path-line div{border-top:0;border-left:2px solid #d9d6ff}.path-line div:before{top:34px;left:-7px}.audience-box{padding:32px;gap:25px}.course-section,.experience,.faq{padding:70px 0}}

/* v2.5 independent course choice */
.choice-section{padding:100px 0;background:#f7f7fb}
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.choice-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e4e7ec;border-radius:20px;padding:28px;color:#101828;min-height:360px;transition:.22s}
.choice-card:hover{transform:translateY(-4px);box-shadow:0 16px 35px rgba(16,24,40,.08);border-color:#d6d0ff}
.choice-card small{font-size:11px;color:#6551f3;font-weight:900;letter-spacing:.12em;margin-top:24px}
.choice-card h3{font-size:25px;line-height:1.15;margin:9px 0 12px}
.choice-card p{color:#667085;line-height:1.65;margin:0 0 18px}
.choice-card b{font-size:12px;color:#475467;margin-top:auto}
.choice-card em{font-style:normal;font-weight:850;color:#6551f3;margin-top:22px}
.choice-icon{width:58px;height:58px;border-radius:15px;background:#f1efff;color:#6551f3;display:flex;align-items:center;justify-content:center}
.analytics-icon{align-items:flex-end;gap:4px;padding:13px}.analytics-icon span{width:8px;background:#6551f3;border-radius:3px}.analytics-icon span:nth-child(1){height:13px}.analytics-icon span:nth-child(2){height:23px}.analytics-icon span:nth-child(3){height:32px}
.science-icon{font-size:27px;font-weight:900}
.machine-icon{position:relative}.machine-icon i{position:absolute;width:9px;height:9px;background:#0f766e;border-radius:50%}.machine-icon i:nth-child(1){left:13px;top:14px}.machine-icon i:nth-child(2){right:12px;top:12px}.machine-icon i:nth-child(3){left:18px;bottom:11px}.machine-icon i:nth-child(4){right:14px;bottom:17px}.machine-icon{background:#e9f7f5}
.choice-note{margin-top:20px;padding:18px 22px;border:1px solid #e4e7ec;border-radius:14px;background:#fff;color:#667085;font-size:14px}.choice-note strong{color:#101828}
@media(max-width:800px){.choice-section{padding:70px 0}.choice-grid{grid-template-columns:1fr}.choice-card{min-height:auto}}

/* v2.6 cleaner independent-course homepage */
.benefits-row{gap:22px;flex-wrap:wrap}.benefits-row span{letter-spacing:0;color:#667085}.benefits-row b{font-size:13px}
.fit-section{padding:100px 0;background:#f7f7fb}
.fit-table{background:#fff;border:1px solid #e4e7ec;border-radius:20px;overflow:hidden}
.fit-row{display:grid;grid-template-columns:2fr 1.1fr 1.25fr .55fr;gap:20px;align-items:center;padding:22px 25px;border-bottom:1px solid #eaecf0;color:#475467}
.fit-row:last-child{border-bottom:0}.fit-head{background:#fbfbfd;padding-top:14px;padding-bottom:14px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:850;color:#98a2b3}
.fit-row b,.fit-row strong{display:block;color:#101828}.fit-row b{font-size:16px;margin-bottom:5px}.fit-row strong{font-size:15px}.fit-row small{display:block;line-height:1.5;color:#667085}.fit-row a{font-weight:850;color:#6551f3}
.fit-note{font-size:13px;color:#667085;margin-top:16px;padding-left:4px}
@media(max-width:800px){.fit-section{padding:70px 0}.fit-head{display:none}.fit-row{grid-template-columns:1fr;padding:22px;gap:12px}.fit-row>span:nth-child(2):before{content:"Course: ";font-size:12px;color:#98a2b3}.fit-row>span:nth-child(3):before{content:"Tools: ";font-size:12px;color:#98a2b3}}

/* v2.7 Data Analytics landing */
.da-hero{padding:88px 0;background:radial-gradient(circle at 78% 20%,#ece9ff 0,transparent 30%),#fff}.da-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.da-hero h1{font-size:59px;line-height:1.01;letter-spacing:-.05em;margin:14px 0 22px}.da-hero h1 span{color:#6551f3}.da-hero>div>div>p,.da-hero-grid>div>p{font-size:18px;color:#667085;line-height:1.7;max-width:650px}.da-meta{display:flex;gap:28px;margin-top:34px}.da-meta span{font-size:12px;color:#667085}.da-meta b{display:block;color:#101828;margin-bottom:4px}
.da-visual{background:#101828;color:white;border-radius:26px;padding:16px;box-shadow:0 28px 65px rgba(16,24,40,.18)}.dash-head{display:flex;justify-content:space-between;padding:7px 5px 18px;font-size:12px;color:#d0d5dd}.dash-head small{color:#a7f3d0}.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.kpis div{background:#fff;color:#101828;border-radius:13px;padding:15px}.kpis small,.kpis b{display:block}.kpis small{font-size:9px;color:#98a2b3}.kpis b{margin-top:5px}.big-chart{background:white;color:#101828;border-radius:15px;margin-top:10px;padding:22px;display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center}.bars{height:120px;display:flex;align-items:flex-end;gap:7px}.bars i{flex:1;background:#6551f3;border-radius:5px 5px 2px 2px}.bars i:nth-child(1){height:28%}.bars i:nth-child(2){height:44%}.bars i:nth-child(3){height:39%}.bars i:nth-child(4){height:62%}.bars i:nth-child(5){height:74%}.bars i:nth-child(6){height:92%}.chart-copy small{font-size:9px;color:#6551f3;font-weight:900}.chart-copy b{display:block;font-size:19px;margin:7px 0}.chart-copy p{font-size:12px!important;line-height:1.5!important;margin:0!important}
.da-strip{border-top:1px solid #eaecf0;border-bottom:1px solid #eaecf0}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}.strip-grid div{padding:24px;border-right:1px solid #eaecf0}.strip-grid div:last-child{border:0}.strip-grid small,.strip-grid b,.strip-grid span{display:block}.strip-grid small{color:#6551f3;font-weight:900}.strip-grid b{font-size:17px;margin:5px 0}.strip-grid span{font-size:12px;color:#667085}
.da-section,.curriculum-preview,.who-section,.course-faq{padding:95px 0}.outcome-grid,.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.outcome-grid div,.who-grid div{border:1px solid #e4e7ec;border-radius:18px;padding:24px}.outcome-grid span{color:#6551f3;font-weight:900}.outcome-grid h3{font-size:21px;margin:25px 0 9px}.outcome-grid p,.who-grid span{color:#667085;line-height:1.6}.tools-section{padding:20px 0 95px}.tools-box{background:#101828;color:white;border-radius:28px;padding:50px;display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:center}.tools-box h2{font-size:38px;line-height:1.1}.tool-stack{display:grid;gap:9px}.tool-stack span{display:grid;grid-template-columns:55px 1fr 1.5fr;align-items:center;background:#1d2939;border-radius:12px;padding:13px}.tool-stack b{width:38px;height:38px;border-radius:9px;background:#6551f3;display:flex;align-items:center;justify-content:center;font-size:11px}.tool-stack small{color:#98a2b3}
.curriculum-preview{background:#f7f7fb}.module-list{background:#fff;border:1px solid #e4e7ec;border-radius:20px;overflow:hidden}.module-list>div{display:grid;grid-template-columns:130px 1fr 100px;gap:20px;align-items:center;padding:22px 25px;border-bottom:1px solid #eaecf0}.module-list>div:last-child{border:0}.module-list em{font-style:normal;font-size:11px;font-weight:900;color:#6551f3}.module-list b,.module-list small{display:block}.module-list small{color:#667085;margin-top:5px;line-height:1.5}.module-list strong{text-align:right;font-size:11px;color:#667085}
.project-section{padding:95px 0}.project-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.project-grid h2{font-size:42px;line-height:1.08}.project-grid p{color:#667085;line-height:1.7}.project-card{border:1px solid #e4e7ec;border-radius:22px;padding:30px;background:#fff}.project-card>small{color:#6551f3;font-weight:900;letter-spacing:.1em}.project-card h3{font-size:27px}.project-flow{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.project-flow span{padding:9px 11px;border-radius:9px;background:#f7f7fb;font-size:12px;font-weight:800}.project-flow i{font-style:normal;color:#6551f3}
.who-section{background:#fafafa}.who-section>div>h2{font-size:40px;max-width:750px}.who-grid{margin-top:35px}.who-grid b,.who-grid span{display:block}.who-grid b{margin-bottom:10px}.course-faq h2{font-size:40px}.course-enroll{padding:20px 0 90px}.enroll-box{background:linear-gradient(135deg,#5542e8,#7c3aed);border-radius:28px;color:#fff;padding:50px;display:flex;justify-content:space-between;align-items:center;gap:30px}.enroll-box h2{font-size:37px;margin:8px 0}.enroll-box p{color:#e9e7ff;margin:0}
@media(max-width:800px){.da-hero{padding:55px 0}.da-hero-grid,.tools-box,.project-grid{grid-template-columns:1fr}.da-hero h1{font-size:43px}.da-meta{flex-direction:column;gap:12px}.big-chart{grid-template-columns:1fr}.strip-grid,.outcome-grid,.who-grid{grid-template-columns:1fr 1fr}.tools-box{padding:30px;gap:25px}.module-list>div{grid-template-columns:1fr}.module-list strong{text-align:left}.enroll-box{display:block;padding:30px}.enroll-box .btn{margin-top:20px}}@media(max-width:520px){.strip-grid,.outcome-grid,.who-grid{grid-template-columns:1fr}}

.course-theme .eyebrow,.course-theme .section-kicker,.course-theme .chart-copy small,.course-theme .outcome-grid span,.course-theme .module-list em{color:var(--course-accent)}
.course-theme .da-hero h1 span{color:var(--course-accent)}
.course-theme .bars i,.course-theme .tool-stack b{background:var(--course-accent)}
.course-theme .enroll-box{background:linear-gradient(135deg,var(--course-accent),#101828)}

/* v2.8.1 brand lock: one eLearningz color system across all course pages */
.course-landing{--course-accent:#6551f3!important}
.course-landing .eyebrow,
.course-landing .section-kicker,
.course-landing .chart-copy small,
.course-landing .outcome-grid span,
.course-landing .module-list em{color:#6551f3!important}
.course-landing .da-hero h1 span{color:#6551f3!important}
.course-landing .bars i,
.course-landing .tool-stack b{background:#6551f3!important}
.course-landing .dash-head small{color:#b9b0ff!important}
.course-landing .enroll-box{background:linear-gradient(135deg,#5542e8,#7c3aed)!important}

/* v2.9 premium course catalog */
.catalog-hero{padding:90px 0;background:radial-gradient(circle at 78% 20%,#eeeaff 0,transparent 30%),#fff}
.catalog-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}
.catalog-hero h1{font-size:60px;line-height:1;letter-spacing:-.05em;margin:14px 0 22px}.catalog-hero h1 span{color:#6551f3}.catalog-hero p{font-size:18px;line-height:1.7;color:#667085;max-width:650px}
.catalog-summary{background:#101828;border-radius:24px;padding:28px;color:#fff}.catalog-summary>small{font-weight:900;letter-spacing:.13em;color:#9b8cff}.catalog-summary a{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid #344054;color:#fff}.catalog-summary a:last-child{border:0}.catalog-summary span{color:#b9b0ff}
.catalog-list{padding:100px 0}.catalog-intro{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:55px}.catalog-intro h2{font-size:43px;line-height:1.08;margin:0}.catalog-intro>p{color:#667085;line-height:1.7;max-width:430px}
.catalog-course{display:grid;grid-template-columns:.9fr 1.1fr;border:1px solid #e4e7ec;border-radius:26px;overflow:hidden;margin-bottom:28px;background:#fff}.catalog-course.reverse .catalog-art{order:2}.catalog-course.reverse .catalog-copy{order:1}
.catalog-art{min-height:390px;background:linear-gradient(135deg,#17184a,#5542e8);position:relative;padding:32px;color:#fff;overflow:hidden}.catalog-art>small{font-weight:900;letter-spacing:.13em}.science-art,.ml-art{background:linear-gradient(135deg,#21154d,#6551f3)}
.catalog-copy{padding:48px}.catalog-label{font-size:11px;color:#6551f3;font-weight:900;letter-spacing:.12em}.catalog-copy h2{font-size:42px;margin:9px 0 14px}.catalog-copy>p{color:#667085;line-height:1.7;font-size:16px;max-width:570px}.catalog-tools{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.catalog-tools b{font-size:11px;border:1px solid #e4e7ec;border-radius:99px;padding:7px 10px}.catalog-for{border-top:1px solid #eaecf0;padding:20px 0 24px}.catalog-for small,.catalog-for strong{display:block}.catalog-for small{font-size:9px;color:#98a2b3;font-weight:900;letter-spacing:.1em}.catalog-for strong{margin-top:7px}
.catalog-bars{position:absolute;left:50%;top:50%;transform:translate(-50%,-40%);height:170px;width:250px;display:flex;align-items:flex-end;gap:12px}.catalog-bars i{flex:1;background:#fff;border-radius:7px 7px 2px 2px}.catalog-bars i:nth-child(1){height:28%}.catalog-bars i:nth-child(2){height:46%}.catalog-bars i:nth-child(3){height:42%}.catalog-bars i:nth-child(4){height:70%}.catalog-bars i:nth-child(5){height:94%}
.catalog-orbit{position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.5);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-42%)}.catalog-orbit:before,.catalog-orbit:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.3);border-radius:50%;inset:27px}.catalog-orbit:after{inset:65px;background:#fff}.catalog-orbit i{position:absolute;width:14px;height:14px;border-radius:50%;background:#fff}.catalog-orbit i:nth-child(1){top:15px;left:40px}.catalog-orbit i:nth-child(2){right:4px;top:85px}.catalog-orbit i:nth-child(3){bottom:10px;left:48px}
.catalog-network{position:absolute;width:230px;height:180px;left:50%;top:50%;transform:translate(-50%,-42%)}.catalog-network:before,.catalog-network:after{content:"";position:absolute;height:2px;width:190px;background:rgba(255,255,255,.35);transform:rotate(28deg);top:85px;left:20px}.catalog-network:after{transform:rotate(-25deg)}.catalog-network i{position:absolute;width:20px;height:20px;background:#fff;border-radius:50%}.catalog-network i:nth-child(1){left:10px;top:20px}.catalog-network i:nth-child(2){right:8px;top:15px}.catalog-network i:nth-child(3){left:100px;top:76px}.catalog-network i:nth-child(4){left:35px;bottom:8px}.catalog-network i:nth-child(5){right:25px;bottom:18px}
.catalog-compare{padding:95px 0;background:#f7f7fb}.catalog-table{background:#fff;border:1px solid #e4e7ec;border-radius:20px;overflow:hidden}.ct-row{display:grid;grid-template-columns:1.1fr 1.6fr 1.4fr .5fr;gap:20px;padding:20px 24px;border-bottom:1px solid #eaecf0;align-items:center;color:#667085}.ct-row:last-child{border:0}.ct-row strong{color:#101828}.ct-row a{color:#6551f3;font-weight:850}.ct-head{font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;background:#fbfbfd;color:#98a2b3}.catalog-cta{padding:85px 0}
@media(max-width:800px){.catalog-hero{padding:55px 0}.catalog-hero-grid,.catalog-intro,.catalog-course{grid-template-columns:1fr}.catalog-hero h1{font-size:44px}.catalog-summary{margin-top:15px}.catalog-course.reverse .catalog-art,.catalog-course.reverse .catalog-copy{order:initial}.catalog-art{min-height:270px}.catalog-copy{padding:28px}.catalog-copy h2{font-size:34px}.ct-head{display:none}.ct-row{grid-template-columns:1fr;gap:8px}}

/* v3.0 auth + student experience */
.auth-v30{background:#f8f8fc}.auth-shell{min-height:760px;display:grid;grid-template-columns:1fr 1fr;max-width:1180px;margin:0 auto;padding:55px 30px 75px;gap:18px}.auth-brand-panel{background:#101828;border-radius:28px;padding:55px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;background-image:radial-gradient(circle at 85% 15%,rgba(101,81,243,.55),transparent 30%)}.auth-kicker{font-size:11px;color:#b9b0ff;font-weight:900;letter-spacing:.14em}.auth-brand-panel h1{font-size:48px;line-height:1.03;letter-spacing:-.05em;margin:18px 0}.auth-brand-panel h1 em{font-style:normal;color:#9b8cff}.auth-brand-panel p{color:#cbd5e1;line-height:1.7;max-width:470px}.auth-mini{display:flex;flex-direction:column;gap:13px;color:#e4e7ec;font-size:13px}.auth-form-panel{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #eaecf0;border-radius:28px;padding:40px}.auth-card{width:100%;max-width:410px}.auth-card>small{font-size:10px;color:#6551f3;font-weight:900;letter-spacing:.13em}.auth-card h2{font-size:34px;margin:8px 0}.auth-card>p{color:#667085;line-height:1.6;margin-bottom:28px}.auth-card label{display:block;font-size:12px;font-weight:800;color:#344054;margin:16px 0}.auth-card input{display:block;width:100%;box-sizing:border-box;margin-top:8px;padding:14px 15px;border:1px solid #d0d5dd;border-radius:11px;font:inherit;outline:none}.auth-card input:focus{border-color:#6551f3;box-shadow:0 0 0 3px rgba(101,81,243,.1)}.auth-submit{width:100%;margin-top:10px;border:0;cursor:pointer}.auth-switch{text-align:center;margin-top:22px;color:#667085;font-size:13px}.auth-switch a{color:#6551f3;font-weight:850}.auth-error{background:#fff1f1;border:1px solid #ffd1d1;color:#a62929;padding:12px;border-radius:10px;font-size:13px;margin:15px 0}
.student-hero{padding:65px 0 45px;background:linear-gradient(180deg,#fff,#faf9ff);border-bottom:1px solid #eaecf0}.student-hero>.wrap{display:flex;justify-content:space-between;align-items:end}.student-hero h1{font-size:44px;margin:8px 0}.student-hero p{color:#667085}.student-content{padding:45px 0 90px}.student-layout{display:grid;grid-template-columns:210px 1fr;gap:45px}.student-side{display:flex;flex-direction:column;gap:8px}.student-side>a,.student-side>span{padding:11px 13px;border-radius:9px;font-size:13px;color:#475467}.student-side .active{background:#f1efff;color:#6551f3;font-weight:850}.student-account{border-top:1px solid #eaecf0;margin-top:18px;padding:20px 10px}.student-account small,.student-account b,.student-account span{display:block}.student-account small{font-size:9px;color:#98a2b3;font-weight:900;letter-spacing:.1em}.student-account b{font-size:13px;margin:9px 0 4px}.student-account span{font-size:11px;color:#667085;overflow-wrap:anywhere}.student-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.student-heading small{font-size:10px;color:#6551f3;font-weight:900;letter-spacing:.12em}.student-heading h2{font-size:30px;margin:6px 0 0}.student-heading>span{font-size:12px;color:#667085}.empty-learning{border:1px solid #e4e7ec;border-radius:22px;padding:55px;text-align:center;background:#fff}.empty-icon{width:55px;height:55px;border-radius:15px;background:#f1efff;color:#6551f3;display:flex;align-items:center;justify-content:center;font-size:25px;margin:0 auto 18px}.empty-learning h3{font-size:25px;margin:0}.empty-learning p{max-width:590px;margin:12px auto 24px;color:#667085;line-height:1.7}.learning-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.learning-card{border:1px solid #e4e7ec;border-radius:19px;overflow:hidden;background:#fff}.learning-art{height:125px;padding:22px;background:linear-gradient(135deg,#17184a,#6551f3);color:#fff;display:flex;flex-direction:column;justify-content:space-between}.learning-art small{font-size:9px;font-weight:900;letter-spacing:.12em}.learning-art b{font-size:22px}.learning-body{padding:22px}.learning-body>small{font-size:9px;color:#6551f3;font-weight:900}.learning-body h3{font-size:21px;margin:7px 0}.learning-body p{font-size:13px;color:#667085;line-height:1.6}.progress-track{height:6px;background:#eaecf0;border-radius:99px;overflow:hidden;margin:20px 0 12px}.progress-track i{display:block;height:100%;background:#6551f3}.learning-action{display:flex;justify-content:space-between;font-size:12px;color:#667085}.learning-action a{color:#6551f3;font-weight:850}
@media(max-width:800px){.auth-shell{grid-template-columns:1fr;padding:25px 18px 55px}.auth-brand-panel{padding:35px;min-height:350px}.auth-brand-panel h1{font-size:38px}.auth-form-panel{padding:30px 22px}.student-hero>.wrap{display:block}.student-hero .btn{margin-top:15px}.student-layout{grid-template-columns:1fr}.student-side{display:none}.learning-grid{grid-template-columns:1fr}.empty-learning{padding:35px 22px}}

/* v3.1 enrollment + checkout */
.enroll-action{text-align:right}.enroll-action form{margin:0}.enroll-action button{border:0;cursor:pointer}.enroll-price{display:block;margin-top:10px;font-weight:900;font-size:18px}.flash-success{margin-top:22px;background:#eefcf3;border:1px solid #b7ebc8;color:#176b36;padding:13px 16px;border-radius:11px;font-size:13px}
.checkout-v31{background:#f8f8fc;min-height:700px;padding:70px 0}.checkout-shell{display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:start}.checkout-main h1{font-size:48px;margin:10px 0 15px}.checkout-main>p{font-size:17px;color:#667085;line-height:1.7;max-width:620px}.checkout-status{margin:35px 0;padding:25px;border:1px solid #e4e7ec;background:#fff;border-radius:18px}.checkout-status>span{font-size:10px;color:#6551f3;font-weight:900;letter-spacing:.12em}.checkout-status h3{font-size:21px;margin:8px 0}.checkout-status p{color:#667085;line-height:1.6;margin-bottom:0}.order-card{background:#fff;border:1px solid #e4e7ec;border-radius:22px;padding:28px;box-shadow:0 18px 40px rgba(16,24,40,.06)}.order-card>small:first-child{color:#6551f3;font-weight:900;letter-spacing:.12em}.order-card h2{font-size:27px;margin:8px 0}.order-card>p{color:#667085;line-height:1.6}.order-line,.order-total{display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid #eaecf0;font-size:13px}.order-total{font-size:17px;align-items:center}.order-total strong{font-size:24px}.order-card .btn{width:100%;border:0;margin-top:15px}.order-card button:disabled{opacity:.55;cursor:not-allowed}.secure-note{display:block!important;text-align:center;color:#98a2b3!important;letter-spacing:0!important;font-weight:400!important;margin-top:12px}.course-enroll .enroll-box{align-items:center}
@media(max-width:800px){.checkout-shell{grid-template-columns:1fr;gap:30px}.checkout-main h1{font-size:38px}.enroll-action{text-align:left;margin-top:20px}}

/* v3.2 admin course management */
.admin-v32{background:#f8f8fc;min-height:750px}.admin-top{padding:55px 0 35px;background:#fff;border-bottom:1px solid #eaecf0}.admin-top>.wrap{display:flex;justify-content:space-between;align-items:end}.admin-top h1{font-size:40px;margin:7px 0}.admin-top p{color:#667085;margin:0}.admin-top.compact{padding:38px 0}.admin-body{padding:38px 0 80px}.admin-layout{display:grid;grid-template-columns:190px 1fr;gap:35px}.admin-nav{display:flex;flex-direction:column;gap:6px}.admin-nav a,.admin-nav span{padding:11px 13px;border-radius:9px;font-size:13px;color:#475467}.admin-nav .active{background:#edeaff;color:#6551f3;font-weight:850}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.admin-stats div{background:#fff;border:1px solid #e4e7ec;border-radius:15px;padding:18px}.admin-stats small,.admin-stats b{display:block}.admin-stats small{font-size:9px;color:#98a2b3;font-weight:900;letter-spacing:.09em}.admin-stats b{font-size:25px;margin-top:7px}.admin-panel{background:#fff;border:1px solid #e4e7ec;border-radius:20px;overflow:hidden}.admin-panel-head{display:flex;justify-content:space-between;align-items:end;padding:23px;border-bottom:1px solid #eaecf0}.admin-panel-head small{font-size:9px;color:#6551f3;font-weight:900;letter-spacing:.1em}.admin-panel-head h2{margin:5px 0 0}.admin-panel-head a{font-size:13px;color:#6551f3;font-weight:850}.admin-course-list article{display:grid;grid-template-columns:48px 1fr 100px 150px;gap:15px;align-items:center;padding:18px 22px;border-bottom:1px solid #eaecf0}.admin-course-list article:last-child{border:0}.admin-course-icon{width:42px;height:42px;border-radius:10px;background:#edeaff;color:#6551f3;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:900}.admin-course-info>div{display:flex;align-items:center;gap:7px}.admin-course-info h3{font-size:15px;margin:0}.admin-course-info p{font-size:11px;color:#98a2b3;margin:5px 0 0}.status{font-size:9px;padding:4px 6px;border-radius:99px;text-transform:uppercase;font-weight:850}.status.published{background:#ecfdf3;color:#087443}.status.draft{background:#f2f4f7;color:#667085}.status.free{background:#f1efff;color:#6551f3}.admin-price{font-size:13px;font-weight:850}.admin-actions{display:flex;gap:12px;justify-content:flex-end}.admin-actions a{font-size:12px;color:#6551f3;font-weight:850}.admin-empty{text-align:center;padding:60px 20px}.admin-empty p{color:#667085}
.edit-wrap{max-width:1050px}.course-editor{display:grid;grid-template-columns:1fr 320px;gap:20px}.editor-card{background:#fff;border:1px solid #e4e7ec;border-radius:18px;padding:25px}.editor-card>small{font-size:9px;color:#6551f3;font-weight:900;letter-spacing:.12em}.editor-card label{display:block;font-size:12px;font-weight:800;color:#344054;margin-top:20px}.editor-card input,.editor-card textarea,.editor-card select{width:100%;box-sizing:border-box;border:1px solid #d0d5dd;border-radius:10px;padding:12px;margin-top:7px;font:inherit;background:#fff}.editor-card textarea{resize:vertical}.editor-card em{display:block;font-style:normal;font-size:10px;color:#98a2b3;margin-top:6px;line-height:1.5}.check-row{display:flex!important;align-items:center;gap:8px}.check-row input{width:auto!important;margin:0!important}.editor-save,.editor-curriculum{display:block;width:100%;box-sizing:border-box;text-align:center;margin-top:20px;border:0}.editor-tip{margin-top:14px;background:#edeaff;border-radius:14px;padding:18px}.editor-tip b{font-size:12px}.editor-tip p{font-size:11px;color:#667085;line-height:1.5;margin-bottom:0}
@media(max-width:800px){.admin-top>.wrap{display:block}.admin-top .btn{margin-top:15px}.admin-layout,.course-editor{grid-template-columns:1fr}.admin-nav{display:none}.admin-stats{grid-template-columns:1fr 1fr}.admin-course-list article{grid-template-columns:45px 1fr}.admin-price,.admin-actions{grid-column:2}.admin-actions{justify-content:flex-start}}

/* v3.3 premium curriculum manager */
.curriculum-wrap{max-width:1050px}.curriculum-top-actions{display:flex;gap:8px}.curriculum-intro{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px}.curriculum-intro small{font-size:9px;color:#6551f3;font-weight:900;letter-spacing:.12em}.curriculum-intro h2{font-size:29px;margin:6px 0}.curriculum-intro p{color:#667085;margin:0}.quick-add{display:flex;gap:8px}.quick-add input,.add-lesson input,.add-lesson select{border:1px solid #d0d5dd;border-radius:9px;padding:11px;font:inherit;background:#fff}.quick-add button{border:0}.curriculum-empty{background:#fff;border:1px dashed #cfd4dc;border-radius:18px;padding:50px;text-align:center}.curriculum-empty>div{width:50px;height:50px;border-radius:13px;background:#edeaff;color:#6551f3;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 15px}.curriculum-empty h3{margin:0}.curriculum-empty p{color:#667085}.sections-list{display:flex;flex-direction:column;gap:15px}.section-card{background:#fff;border:1px solid #e4e7ec;border-radius:18px;overflow:hidden}.section-card>header{display:grid;grid-template-columns:42px 1fr auto auto;gap:12px;align-items:center;padding:15px 18px;background:#fbfbfd;border-bottom:1px solid #eaecf0}.section-number{width:34px;height:34px;border-radius:9px;background:#101828;color:#fff;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:900}.section-title-form{display:flex;gap:6px}.section-title-form input{border:0;background:transparent;font-size:15px;font-weight:850;width:100%;padding:7px}.section-title-form button{border:0;background:#edeaff;color:#6551f3;border-radius:7px;padding:7px 10px;font-weight:800;cursor:pointer}.section-card>header>span{font-size:10px;color:#98a2b3}.danger-link{border:0;background:transparent;color:#b42318;font-size:10px;font-weight:800;cursor:pointer}.lessons-list{padding:12px 18px 18px}.lesson-row{border-bottom:1px solid #eaecf0}.lesson-row summary{display:grid;grid-template-columns:70px 1fr auto auto;gap:10px;align-items:center;padding:14px 4px;cursor:pointer;list-style:none}.lesson-row summary::-webkit-details-marker{display:none}.lesson-type{font-size:8px;color:#6551f3;background:#edeaff;border-radius:99px;padding:5px 7px;text-align:center;font-weight:900}.lesson-row summary b{font-size:13px}.lesson-row summary em{font-style:normal;font-size:8px;color:#6551f3;font-weight:900}.lesson-row summary i{font-style:normal;font-size:10px;color:#98a2b3}.lesson-editor{background:#f9fafb;border-radius:12px;padding:18px;margin-bottom:5px}.lesson-editor label{display:block;font-size:10px;font-weight:850;color:#475467;margin-bottom:13px}.lesson-editor input,.lesson-editor textarea,.lesson-editor select{width:100%;box-sizing:border-box;border:1px solid #d0d5dd;border-radius:8px;padding:10px;margin-top:6px;font:inherit;background:#fff}.lesson-fields{display:grid;grid-template-columns:1fr 170px;gap:12px}.lesson-buttons{display:flex;justify-content:flex-end}.lesson-buttons button{border:0}.lesson-delete{text-align:right;padding:0 4px 10px}.add-lesson{display:grid;grid-template-columns:1fr 130px 110px;gap:8px;padding-top:13px}.add-lesson button{border:1px solid #d9d6ff;background:#f5f3ff;color:#6551f3;border-radius:9px;font-size:11px;font-weight:850;cursor:pointer}
@media(max-width:800px){.curriculum-top-actions,.curriculum-intro{display:block}.curriculum-top-actions .btn{margin:8px 5px 0 0}.quick-add{margin-top:20px;display:grid}.section-card>header{grid-template-columns:40px 1fr}.section-card>header>span,.section-card>header>form:last-child{grid-column:2}.lesson-row summary{grid-template-columns:65px 1fr}.lesson-row summary em,.lesson-row summary i{display:none}.lesson-fields,.add-lesson{grid-template-columns:1fr}}

/* v3.4 student lesson player */
.learning-body-v34{margin:0;background:#f8f8fc;color:#101828}.learn-top{height:70px;background:#101828;color:#fff;display:grid;grid-template-columns:190px 1fr 220px 120px;gap:22px;align-items:center;padding:0 24px;position:sticky;top:0;z-index:20}.learn-logo{font-size:20px;font-weight:900;color:#fff}.learn-course-name{display:flex;flex-direction:column}.learn-course-name small{font-size:8px;color:#9b8cff;font-weight:900;letter-spacing:.12em}.learn-course-name b{font-size:12px;margin-top:3px}.learn-progress span{font-size:9px;color:#cbd5e1}.learn-progress i{display:block;height:4px;background:#344054;border-radius:99px;margin-top:5px;overflow:hidden}.learn-progress i b{display:block;height:100%;background:#9b8cff}.learn-exit{font-size:11px;color:#cbd5e1;text-align:right}.learn-shell{display:grid;grid-template-columns:300px 1fr;min-height:calc(100vh - 70px)}.learn-sidebar{background:#fff;border-right:1px solid #e4e7ec;position:sticky;top:70px;height:calc(100vh - 70px);overflow:auto}.learn-side-head{padding:22px;border-bottom:1px solid #eaecf0}.learn-side-head small,.learn-side-head strong{display:block}.learn-side-head small{font-size:9px;color:#6551f3;font-weight:900;letter-spacing:.11em}.learn-side-head strong{font-size:11px;color:#667085;margin-top:5px}.learn-sections section{border-bottom:1px solid #eaecf0;padding:12px}.learn-section-title{display:flex;gap:9px;padding:8px}.learn-section-title>span{font-size:9px;color:#6551f3;font-weight:900}.learn-section-title b{font-size:11px}.learn-sections section>a{display:flex;gap:10px;padding:10px;border-radius:8px;color:#475467}.learn-sections section>a.active{background:#edeaff;color:#4f3ce0}.learn-sections section>a>i{font-style:normal;font-size:10px;width:14px;padding-top:2px}.learn-sections section>a>span{font-size:11px;line-height:1.35}.learn-sections section>a small{display:block;font-size:8px;color:#98a2b3;margin-top:3px}.learn-main{padding:45px}.lesson-wrap{max-width:900px;margin:0 auto}.lesson-meta{display:flex;gap:9px}.lesson-meta span{font-size:9px;color:#6551f3;background:#edeaff;border-radius:99px;padding:5px 8px;font-weight:900}.lesson-wrap h1{font-size:39px;letter-spacing:-.035em;margin:13px 0 25px}.video-stage{aspect-ratio:16/9;background:#0b1020;border-radius:18px;overflow:hidden;box-shadow:0 18px 45px rgba(16,24,40,.12)}.video-stage iframe{width:100%;height:100%;border:0}.video-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center}.video-placeholder b{font-size:22px}.video-placeholder p{color:#98a2b3}.lesson-content{background:#fff;border:1px solid #e4e7ec;border-radius:16px;padding:30px;margin-top:25px;line-height:1.8;color:#475467}.lesson-nav{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e4e7ec;margin-top:30px;padding-top:22px}.lesson-nav button{border:0;cursor:pointer}.learn-empty{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center}.learn-empty>div{max-width:550px}.learn-empty p{color:#667085}
@media(max-width:800px){.learn-top{grid-template-columns:1fr auto;height:64px}.learn-course-name,.learn-progress{display:none}.learn-shell{display:block}.learn-sidebar{position:relative;top:0;height:auto;max-height:330px;border-right:0;border-bottom:1px solid #e4e7ec}.learn-main{padding:28px 18px}.lesson-wrap h1{font-size:31px}.lesson-nav{gap:10px}.lesson-nav .btn{font-size:11px;padding:10px}.learn-exit{grid-column:2}}

/* v3.6 quiz engine */
.quiz-v36{background:#f8f8fc;min-height:750px}.quiz-head{background:#fff;border-bottom:1px solid #eaecf0;padding:45px 0 35px}.quiz-head a{font-size:11px;color:#667085}.quiz-head h1{font-size:40px;margin:8px 0}.quiz-head p{color:#667085}.quiz-body{padding:38px 0 80px}.quiz-wrap{max-width:850px}.quiz-form{display:flex;flex-direction:column;gap:15px}.quiz-question{display:grid;grid-template-columns:45px 1fr;gap:15px;background:#fff;border:1px solid #e4e7ec;border-radius:17px;padding:23px}.q-number{width:37px;height:37px;background:#edeaff;color:#6551f3;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:900}.quiz-question h3{font-size:18px;margin:5px 0 16px}.quiz-options{display:grid;gap:8px}.quiz-options label{cursor:pointer}.quiz-options input{display:none}.quiz-options span{display:block;border:1px solid #e4e7ec;border-radius:10px;padding:12px 14px;font-size:13px}.quiz-options input:checked+span{border-color:#6551f3;background:#f3f1ff;color:#4f3ce0}.quiz-submit{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.quiz-submit span{font-size:11px;color:#667085}.quiz-submit button{border:0}.quiz-result{background:#fff;border:1px solid #e4e7ec;border-radius:18px;padding:28px;margin-bottom:20px}.quiz-result>small{color:#6551f3;font-size:9px;font-weight:900;letter-spacing:.12em}.quiz-result>strong{display:block;font-size:48px;margin:8px 0}.quiz-result h2{margin:0}.quiz-result p{color:#667085}.quiz-result.pass{border-top:4px solid #6551f3}.quiz-result.retry{border-top:4px solid #f79009}.quiz-empty,.quiz-lesson-card{background:#fff;border:1px solid #e4e7ec;border-radius:17px;padding:30px}.quiz-lesson-card{margin-top:25px}.quiz-lesson-card small{color:#6551f3;font-size:9px;font-weight:900;letter-spacing:.12em}.quiz-lesson-card h2{margin:8px 0}.quiz-lesson-card p{color:#667085}.quiz-admin-wrap{max-width:1050px}.quiz-admin-grid{display:grid;grid-template-columns:1fr 340px;gap:20px}.quiz-admin-grid aside{display:flex;flex-direction:column;gap:15px}.editor-card h2{margin:7px 0 18px}.admin-question{border-top:1px solid #eaecf0;padding:18px 0}.admin-question h3{font-size:14px}.admin-question>span{display:block;font-size:12px;color:#667085;padding:4px 0}.admin-question>span.correct{color:#6551f3;font-weight:850}.admin-question form{text-align:right}.add-question-card{margin:0}.muted{color:#98a2b3}.lesson-buttons{gap:8px}
@media(max-width:800px){.quiz-admin-grid{grid-template-columns:1fr}.quiz-question{grid-template-columns:1fr}.quiz-submit{display:block}.quiz-submit .btn{margin-top:12px;width:100%}}

/* v3.7 sticky navigation + back to top */
html{scroll-behavior:smooth;scroll-padding-top:88px}
.site-header-v37{position:sticky!important;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid rgba(228,231,236,.9)}
header.site-header-v37{width:100%}
.scroll-top-v37{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border:1px solid #ded9ff;border-radius:50%;background:#6551f3;color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;line-height:1;cursor:pointer;box-shadow:0 12px 30px rgba(16,24,40,.18);z-index:999;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease,box-shadow .2s ease}
.scroll-top-v37.show{opacity:1;visibility:visible;transform:translateY(0)}
.scroll-top-v37:hover{box-shadow:0 15px 34px rgba(16,24,40,.24);transform:translateY(-2px)}
.scroll-top-v37:focus-visible{outline:3px solid rgba(101,81,243,.25);outline-offset:3px}
@media(max-width:800px){.scroll-top-v37{right:16px;bottom:18px;width:42px;height:42px}.site-header-v37{top:0}}

/* v3.8 premium data + machine-learning motion */
.data-motion-v38{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;opacity:.9}
.data-motion-v38~*{position:relative;z-index:1}
.dm-grid{position:absolute;right:-4%;top:4%;width:48%;height:82%;opacity:.18;background-image:linear-gradient(rgba(101,81,243,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(101,81,243,.16) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,transparent,#000 35%,#000)}
.dm-line{position:absolute;right:3%;bottom:10%;width:45%;height:28%;overflow:visible}.dm-line path{fill:none;stroke-width:2}.dm-path-base{stroke:rgba(101,81,243,.13)}.dm-path-live{stroke:#6551f3;stroke-dasharray:9 14;animation:dmDash 8s linear infinite;filter:drop-shadow(0 0 4px rgba(101,81,243,.28))}
.dm-bars{position:absolute;right:9%;bottom:15%;display:flex;align-items:end;gap:8px;height:80px}.dm-bars i{display:block;width:7px;border-radius:5px;background:linear-gradient(180deg,#6551f3,rgba(101,81,243,.18));animation:dmBars 3.4s ease-in-out infinite}.dm-bars i:nth-child(1){height:24%;animation-delay:-.2s}.dm-bars i:nth-child(2){height:55%;animation-delay:-1.1s}.dm-bars i:nth-child(3){height:38%;animation-delay:-1.8s}.dm-bars i:nth-child(4){height:78%;animation-delay:-.7s}.dm-bars i:nth-child(5){height:48%;animation-delay:-2.2s}.dm-bars i:nth-child(6){height:92%;animation-delay:-1.4s}
.dm-orbit{position:absolute;border:1px solid rgba(101,81,243,.18);border-radius:50%;animation:dmSpin 18s linear infinite}.dm-orbit-a{width:210px;height:210px;right:11%;top:15%}.dm-orbit-b{width:120px;height:120px;right:25%;top:31%;animation-direction:reverse;animation-duration:12s}.dm-orbit i{position:absolute;width:7px;height:7px;border-radius:50%;background:#6551f3;box-shadow:0 0 0 5px rgba(101,81,243,.08)}.dm-orbit i:first-child{top:-4px;left:50%}.dm-orbit i:nth-child(2){right:8%;bottom:18%}.dm-orbit i:nth-child(3){left:4%;bottom:28%}
.dm-nodes span{position:absolute;left:var(--x);top:var(--y);width:5px;height:5px;border-radius:50%;background:#6551f3;opacity:.4;animation:dmPulse 2.8s ease-in-out infinite var(--d)}.dm-label{position:absolute;padding:6px 9px;border:1px solid rgba(101,81,243,.16);background:rgba(255,255,255,.7);backdrop-filter:blur(8px);border-radius:7px;color:#475467;font-size:8px;font-weight:900;letter-spacing:.09em;animation:dmFloat 5s ease-in-out infinite}.dm-label b{color:#6551f3}.dm-label-a{right:35%;top:21%}.dm-label-b{right:7%;top:40%;animation-delay:-1.5s}.dm-label-c{right:29%;bottom:17%;animation-delay:-3s}
.course-motion-v38{position:absolute;right:4%;top:14%;width:260px;height:120px;pointer-events:none;opacity:.55}.course-motion-v38 svg{width:100%;height:100%;overflow:visible}.course-motion-v38 path{fill:none;stroke:#6551f3;stroke-width:1.5;stroke-dasharray:6 9;animation:dmDash 7s linear infinite}.course-motion-v38 .cm-dot{position:absolute;width:6px;height:6px;background:#6551f3;border-radius:50%;animation:dmPulse 2.4s ease-in-out infinite}.cm1{left:8%;top:68%}.cm2{left:44%;top:40%;animation-delay:-.8s!important}.cm3{right:7%;top:12%;animation-delay:-1.5s!important}
@keyframes dmDash{to{stroke-dashoffset:-92}}@keyframes dmSpin{to{transform:rotate(360deg)}}@keyframes dmBars{0%,100%{transform:scaleY(.7);opacity:.45}50%{transform:scaleY(1);opacity:.95}}@keyframes dmPulse{0%,100%{transform:scale(.7);opacity:.25}50%{transform:scale(1.6);opacity:.85}}@keyframes dmFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media(max-width:900px){.data-motion-v38{opacity:.45}.dm-grid,.dm-line{width:70%;right:-25%}.dm-orbit-a{right:-55px}.dm-orbit-b,.dm-label{display:none}.course-motion-v38{right:-80px;opacity:.28}}
@media(prefers-reduced-motion:reduce){.data-motion-v38 *,.course-motion-v38 *{animation:none!important}}

/* v3.9 full responsive pass + mobile navigation */
.mobile-menu-toggle-v39,.mobile-menu-v39{display:none}
@media(max-width:900px){
 html,body{max-width:100%;overflow-x:hidden}
 img,svg,video,iframe{max-width:100%}
 .wrap{width:auto!important;max-width:100%!important;margin-left:auto!important;margin-right:auto!important;padding-left:18px!important;padding-right:18px!important;box-sizing:border-box}
 .site-header-v37{min-height:64px}
 .site-header-v37>.wrap,.site-header-v37 .wrap{min-height:64px}
 .desktop-nav-v39{display:none!important}
 .mobile-menu-toggle-v39{display:flex;position:absolute;right:18px;top:50%;transform:translateY(-50%);width:42px;height:42px;border:1px solid #e4e7ec;background:#fff;border-radius:11px;align-items:center;justify-content:center;flex-direction:column;gap:4px;z-index:1010;cursor:pointer}
 .mobile-menu-toggle-v39 span{display:block;width:18px;height:2px;background:#101828;border-radius:4px;transition:.2s ease}
 .mobile-menu-toggle-v39.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
 .mobile-menu-toggle-v39.active span:nth-child(2){opacity:0}
 .mobile-menu-toggle-v39.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
 .mobile-menu-v39{display:block;position:fixed;left:0;right:0;top:64px;z-index:999;background:rgba(255,255,255,.985);border-top:1px solid #eaecf0;border-bottom:1px solid #e4e7ec;box-shadow:0 18px 40px rgba(16,24,40,.10);max-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:max-height .28s ease,opacity .2s ease,visibility .2s ease}
 .mobile-menu-v39.open{max-height:calc(100vh - 64px);overflow:auto;opacity:1;visibility:visible}
 .mobile-menu-inner{padding:10px 16px 22px}
 .mobile-menu-inner>a{display:flex!important;justify-content:space-between;align-items:center;gap:15px;padding:13px 10px;border-bottom:1px solid #f0f1f4;color:#101828!important;text-decoration:none!important}
 .mobile-menu-inner>a span{font-size:14px;font-weight:800}
 .mobile-menu-inner>a small{font-size:9px;color:#98a2b3;text-align:right}
 .mobile-menu-inner>a.mobile-primary-v39{margin-top:10px;border:0;border-radius:10px;background:#6551f3;color:#fff!important;padding:14px}
 .mobile-menu-inner>a.mobile-primary-v39 small{color:#ded9ff}
 .mobile-menu-separator{height:8px;background:#f8f8fc;margin:6px -16px;border-top:1px solid #f0f1f4;border-bottom:1px solid #f0f1f4}
 .mobile-nav-open-v39 body{overflow:hidden}
 /* Global responsive typography/layout */
 h1{overflow-wrap:anywhere}
 .hero h1,.course-hero h1{font-size:clamp(34px,9vw,52px)!important;line-height:1.02!important}
 .hero,.course-hero{min-height:auto!important}
 .hero-grid,.course-hero-grid,.home-hero-grid,.two-col,.split-grid,.feature-grid,.audience-grid,.comparison-grid{grid-template-columns:1fr!important}
 .cards,.course-grid,.courses-grid,.home-courses,.feature-cards{grid-template-columns:1fr!important}
 table{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
 input,select,textarea,button{max-width:100%;box-sizing:border-box}
 .btn{white-space:normal;text-align:center}
 /* Admin/editor responsive safety */
 .admin-top .wrap{display:block!important}
 .admin-top .btn{margin-top:8px}
 .admin-stats{grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .admin-course-list{overflow-x:auto}
 .course-editor,.admin-layout{grid-template-columns:1fr!important}
 /* auth */
 .auth-shell,.auth-layout,.auth-grid{grid-template-columns:1fr!important}
 /* lesson player */
 .learn-shell{grid-template-columns:1fr!important}
 .learn-sidebar{position:relative!important;top:0!important;height:auto!important;max-height:320px!important}
 .learn-main{padding:26px 16px!important}
}
@media(max-width:560px){
 .wrap{padding-left:15px!important;padding-right:15px!important}
 .admin-stats{grid-template-columns:1fr!important}
 .hero-actions,.course-actions,.cta-actions{display:grid!important;grid-template-columns:1fr!important;width:100%}
 .hero-actions .btn,.course-actions .btn,.cta-actions .btn{width:100%}
 .lesson-wrap h1{font-size:28px!important}
 .lesson-nav{align-items:stretch!important}
 .lesson-nav>*{max-width:50%}
 .quiz-question{padding:18px!important}
 .scroll-top-v37{right:14px;bottom:14px}
}

/* v4.0 mobile-first UX correction */
.mobile-backdrop-v40{display:none}
@media(max-width:900px){
 /* Header/menu: true off-canvas drawer */
 .site-header-v37{height:64px!important;min-height:64px!important;background:#fff!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
 .site-header-v37 .wrap{height:64px!important;min-height:64px!important;display:flex!important;align-items:center!important;padding-right:72px!important}
 .site-header-v37 a:first-child img{max-height:30px!important;width:auto!important}
 .mobile-menu-toggle-v39{position:fixed!important;right:15px!important;top:11px!important;transform:none!important;width:42px!important;height:42px!important;border-radius:10px!important;box-shadow:none!important}
 .mobile-backdrop-v40{display:block;position:fixed;inset:64px 0 0;background:rgba(16,24,40,.38);z-index:997;opacity:0;visibility:hidden;transition:.22s}
 .mobile-backdrop-v40.show{opacity:1;visibility:visible}
 .mobile-menu-v39{display:block!important;position:fixed!important;top:64px!important;right:0!important;left:auto!important;width:min(88vw,360px)!important;height:calc(100dvh - 64px)!important;max-height:none!important;background:#fff!important;border:0!important;border-left:1px solid #eaecf0!important;box-shadow:-18px 0 40px rgba(16,24,40,.12)!important;opacity:1!important;visibility:visible!important;overflow-y:auto!important;transform:translateX(102%)!important;transition:transform .25s ease!important}
 .mobile-menu-v39.open{transform:translateX(0)!important}
 .mobile-menu-inner{padding:14px 15px 30px!important}
 .mobile-menu-inner>a{padding:14px 10px!important;min-height:45px!important}
 .mobile-menu-inner>a span{font-size:14px!important}
 .mobile-menu-inner>a small{max-width:46%;line-height:1.3!important}
 .mobile-nav-open-v39 body{overflow:hidden!important}

 /* Hero: remove desktop-style clipping/crowding */
 .hero,.home-hero,.course-hero,[class*="hero-section"]{padding-top:42px!important;padding-bottom:45px!important;overflow:hidden!important}
 .hero .wrap,.home-hero .wrap,.course-hero .wrap{position:relative!important}
 .hero-grid,.home-hero-grid,.course-hero-grid{display:grid!important;grid-template-columns:1fr!important;gap:25px!important}
 .hero h1,.home-hero h1,.course-hero h1{font-size:clamp(37px,10vw,50px)!important;line-height:1.01!important;letter-spacing:-.045em!important;max-width:100%!important;margin-bottom:17px!important}
 .hero p,.home-hero p,.course-hero p{font-size:15px!important;line-height:1.65!important;max-width:100%!important}
 .hero-actions,.course-actions{display:grid!important;grid-template-columns:1fr!important;gap:9px!important;margin-top:22px!important}
 .hero-actions .btn,.course-actions .btn{width:100%!important;min-height:48px!important;display:flex!important;align-items:center!important;justify-content:center!important}
 /* Desktop ambient motion was the biggest visual collision in supplied screenshot */
 .data-motion-v38{opacity:.24!important;inset:auto -90px 20px auto!important;width:300px!important;height:250px!important}
 .dm-grid{width:260px!important;height:210px!important;right:0!important;top:20px!important}
 .dm-line{width:260px!important;right:0!important;bottom:10px!important}
 .dm-bars,.dm-label,.dm-orbit-b{display:none!important}
 .dm-orbit-a{width:125px!important;height:125px!important;right:35px!important;top:42px!important}
 .course-motion-v38{display:none!important}

 /* Rhythm: shorten the extremely long mobile page */
 main section{scroll-margin-top:72px}
 section:not(.hero):not(.home-hero):not(.course-hero):not(.quiz-head):not(.admin-top){padding-top:52px!important;padding-bottom:52px!important}
 section h2{font-size:clamp(27px,7.5vw,36px)!important;line-height:1.08!important;letter-spacing:-.035em!important}
 section h3{line-height:1.25!important}
 .section-head,.section-heading{margin-bottom:25px!important}
 .cards,.course-grid,.courses-grid,.home-courses,.feature-cards,.audience-grid,.feature-grid{gap:13px!important}
 .card,.course-card,.feature-card,[class*="course-card"]{padding:20px!important;border-radius:15px!important}
 .card p,.course-card p,.feature-card p{line-height:1.55!important}

 /* Comparison: readable mobile cards/table rather than squeezed desktop content */
 .comparison,.course-comparison{overflow:hidden!important}
 .comparison table,.course-comparison table{font-size:11px!important;border-collapse:separate!important;border-spacing:0!important}
 .comparison th,.comparison td,.course-comparison th,.course-comparison td{min-width:135px!important;padding:12px 10px!important;white-space:normal!important}
 .comparison th:first-child,.comparison td:first-child,.course-comparison th:first-child,.course-comparison td:first-child{position:sticky;left:0;background:#fff;z-index:2;min-width:115px!important}

 /* Dark CTA sections */
 .cta,.final-cta,[class*="cta-section"]{border-radius:0!important}
 .cta .wrap,.final-cta .wrap{padding-top:8px!important;padding-bottom:8px!important}
 .cta h2,.final-cta h2{font-size:31px!important}

 /* Footer */
 footer .wrap,footer [class*="grid"]{grid-template-columns:1fr!important}
 footer{padding-top:42px!important}

 /* Forms/auth/admin */
 .auth-card,.editor-card,.admin-panel{padding:20px!important}
 .auth-shell,.auth-layout{min-height:auto!important}
 .admin-body{padding:24px 0!important}
 .admin-course-list table{min-width:680px}

 /* Learning player */
 .learn-top{height:60px!important;min-height:60px!important;padding:0 14px!important;grid-template-columns:1fr auto!important}
 .learn-shell{min-height:calc(100vh - 60px)!important}
 .learn-sidebar{max-height:270px!important}
 .learn-side-head{padding:16px!important}
 .lesson-wrap h1{font-size:30px!important;line-height:1.08!important}
 .video-stage{border-radius:12px!important}
 .lesson-content{padding:20px!important}
}
@media(max-width:480px){
 body{font-size:14px}
 .wrap{padding-left:16px!important;padding-right:16px!important}
 .hero h1,.home-hero h1,.course-hero h1{font-size:39px!important}
 .hero,.home-hero,.course-hero{padding-top:35px!important;padding-bottom:40px!important}
 section:not(.hero):not(.home-hero):not(.course-hero):not(.quiz-head):not(.admin-top){padding-top:44px!important;padding-bottom:44px!important}
 .mobile-menu-v39{width:92vw!important}
 .mobile-menu-inner>a small{font-size:8px!important}
 .data-motion-v38{right:-130px!important;opacity:.17!important}
 .scroll-top-v37{width:40px!important;height:40px!important}
}
@media(max-width:370px){
 .hero h1,.home-hero h1,.course-hero h1{font-size:35px!important}
 .wrap{padding-left:14px!important;padding-right:14px!important}
 .mobile-menu-v39{width:100vw!important;border-left:0!important}
}

/* v4.1 completion certificates */
.certificate-body-v41{margin:0;background:#f4f3fb;color:#101828}.certificate-actions-v41{max-width:1120px;margin:0 auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center}.certificate-actions-v41>a{font-size:20px;font-weight:900;color:#101828}.certificate-actions-v41>div{display:flex;gap:8px}.certificate-actions-v41 button{border:0;cursor:pointer}.certificate-page-v41{padding:12px 24px 50px}.certificate-v41{position:relative;overflow:hidden;max-width:1050px;min-height:650px;margin:auto;background:#fff;border:1px solid #ded9ff;border-radius:4px;padding:70px 80px;box-sizing:border-box;box-shadow:0 25px 70px rgba(16,24,40,.10)}.cert-corner{position:absolute;width:270px;height:270px;border:45px solid #6551f3;transform:rotate(45deg);opacity:.06}.cert-corner.c1{left:-190px;top:-190px}.cert-corner.c2{right:-190px;bottom:-190px}.cert-brand{font-size:12px;font-weight:900;letter-spacing:.12em}.cert-brand span{color:#6551f3}.cert-rule{height:3px;width:65px;background:#6551f3;margin:35px 0}.certificate-v41>small{color:#6551f3;font-weight:900;letter-spacing:.18em;font-size:9px}.certificate-v41 h1{font-size:47px;letter-spacing:-.04em;margin:12px 0 38px;max-width:750px}.cert-copy{color:#667085;max-width:650px;line-height:1.7}.certificate-v41 h2{font-size:36px;margin:10px 0;border-bottom:1px solid #d9d6ff;padding-bottom:10px;display:inline-block;min-width:400px}.cert-meta{display:grid;grid-template-columns:1fr 1fr 2fr;gap:20px;margin-top:48px;border-top:1px solid #eaecf0;padding-top:20px}.cert-meta small,.cert-meta b{display:block}.cert-meta small{font-size:8px;color:#98a2b3;font-weight:900;letter-spacing:.12em}.cert-meta b{font-size:10px;margin-top:5px;overflow-wrap:anywhere}.cert-sign{display:flex;justify-content:space-between;align-items:end;margin-top:50px}.cert-sign span{font-size:20px;font-weight:900}.cert-sign small{display:block;color:#98a2b3;font-size:8px}.cert-seal{width:70px;height:70px;border:2px solid #6551f3;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#6551f3;font-weight:900;text-align:center}.cert-seal small{color:#6551f3}.cert-btn-v41{margin-left:6px}
@media(max-width:700px){.certificate-actions-v41{padding:12px 15px}.certificate-actions-v41 .ghost{display:none}.certificate-page-v41{padding:8px 12px 30px}.certificate-v41{min-height:0;padding:42px 26px}.certificate-v41 h1{font-size:34px}.certificate-v41 h2{font-size:27px;min-width:0;width:100%}.cert-meta{grid-template-columns:1fr;gap:14px;margin-top:32px}.cert-sign{margin-top:35px}.cert-seal{width:60px;height:60px}}
@media print{.certificate-actions-v41{display:none!important}.certificate-body-v41{background:#fff}.certificate-page-v41{padding:0}.certificate-v41{box-shadow:none;border:1px solid #d9d6ff;max-width:none;min-height:190mm;margin:0;padding:22mm 18mm}.scroll-top-v37{display:none!important}}

/* v4.2 checkout */
.checkout-v42{background:#f8f8fc;min-height:760px}.checkout-head{padding:55px 0 30px;background:#fff;border-bottom:1px solid #eaecf0}.checkout-head h1{font-size:42px;margin:7px 0}.checkout-head p{color:#667085}.checkout-body{padding:40px 0 80px}.checkout-grid-v42{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;max-width:980px}.checkout-summary-v42,.checkout-pay-v42{background:#fff;border:1px solid #e4e7ec;border-radius:18px;padding:30px}.checkout-summary-v42>small,.checkout-pay-v42>small{font-size:9px;color:#6551f3;font-weight:900;letter-spacing:.12em}.checkout-summary-v42 h2,.checkout-pay-v42 h2{margin:8px 0 10px}.checkout-summary-v42 p,.secure-note-v42{color:#667085;line-height:1.6}.checkout-line,.checkout-total{display:flex;justify-content:space-between;border-top:1px solid #eaecf0;padding:16px 0}.checkout-total strong{font-size:24px}.checkout-summary-v42 ul{list-style:none;padding:0;margin:20px 0 0;color:#475467;font-size:12px;line-height:2}.pay-btn-v42{width:100%;border:0;min-height:50px;cursor:pointer}.pay-btn-v42:disabled{opacity:.5;cursor:not-allowed}.secure-note-v42{font-size:10px;margin-top:15px}
@media(max-width:800px){.checkout-grid-v42{grid-template-columns:1fr}.checkout-head{padding:38px 0 22px}.checkout-head h1{font-size:34px}.checkout-summary-v42,.checkout-pay-v42{padding:22px}}

/* v4.3 Razorpay/KYC compliance pages */
.legal-v43{background:#f8f8fc}.legal-hero-v43{padding:62px 0 42px;background:#101828;color:#fff}.legal-hero-v43 .eyebrow{color:#a99cff}.legal-hero-v43 h1{font-size:46px;letter-spacing:-.04em;margin:8px 0 10px}.legal-hero-v43 p{color:#cbd5e1}.legal-body-v43{padding:38px 0 75px}.legal-card-v43{max-width:860px;margin:auto;background:#fff;border:1px solid #e4e7ec;border-radius:18px;padding:42px}.legal-card-v43 h2{font-size:22px;margin:32px 0 8px}.legal-card-v43 p{color:#475467;line-height:1.75}.legal-card-v43 strong{color:#101828}.legal-updated{font-size:11px;color:#98a2b3!important}.legal-facts{background:#f8f8fc;border:1px solid #eaecf0;border-radius:13px;padding:8px 20px}.legal-note{border-left:3px solid #6551f3;padding-left:15px}.legal-pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:25px 0}.legal-pricing a{border:1px solid #e4e7ec;border-radius:12px;padding:18px;color:#101828}.legal-pricing b,.legal-pricing span{display:block}.legal-pricing span{font-size:10px;color:#6551f3;margin-top:8px}.legal-footer-v43{background:#0d1424;color:#fff;border-top:1px solid #202a3b;padding:26px 0}.legal-footer-v43 .wrap{display:grid;grid-template-columns:1fr 1.5fr;gap:25px;align-items:center}.legal-footer-v43 strong{font-size:16px}.legal-footer-v43 p{font-size:10px;color:#cbd5e1;margin:5px 0}.legal-footer-v43 small{font-size:8px;color:#7f8a9c}.legal-footer-v43 nav{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px 18px}.legal-footer-v43 nav a{font-size:9px;color:#cbd5e1}.legal-footer-v43 nav a:hover{color:#fff}
@media(max-width:800px){.legal-hero-v43{padding:42px 0 28px!important}.legal-hero-v43 h1{font-size:35px}.legal-body-v43{padding:24px 0 45px!important}.legal-card-v43{padding:24px;border-radius:14px}.legal-pricing{grid-template-columns:1fr}.legal-footer-v43 .wrap{grid-template-columns:1fr!important}.legal-footer-v43 nav{justify-content:flex-start;display:grid;grid-template-columns:1fr 1fr;gap:12px}.legal-footer-v43 nav a{font-size:10px}}

/* v4.4 admin orders/payments */
.pay-stats-v44{grid-template-columns:repeat(4,1fr)!important}.pay-filters-v44{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0}.pay-filters-v44 a{padding:8px 12px;border:1px solid #e4e7ec;border-radius:9px;background:#fff;color:#475467;font-size:10px;font-weight:800}.pay-filters-v44 a.active{background:#6551f3;color:#fff;border-color:#6551f3}.pay-panel-v44{padding:0!important;overflow:hidden}.pay-panel-head{display:flex;justify-content:space-between;align-items:end;padding:22px 24px;border-bottom:1px solid #eaecf0}.pay-panel-head small{font-size:8px;color:#6551f3;font-weight:900;letter-spacing:.12em}.pay-panel-head h2{margin:5px 0 0}.pay-panel-head>span{font-size:9px;color:#98a2b3}.pay-table-wrap-v44{overflow-x:auto}.pay-table-v44{width:100%;border-collapse:collapse;min-width:900px}.pay-table-v44 th{text-align:left;background:#f8f8fc;padding:10px 15px;color:#667085;font-size:8px;letter-spacing:.08em}.pay-table-v44 td{padding:14px 15px;border-top:1px solid #f0f1f4;vertical-align:top;font-size:11px}.pay-table-v44 td b,.pay-table-v44 td small{display:block}.pay-table-v44 td small{color:#98a2b3;margin-top:4px;font-size:8px}.pay-status-v44{display:inline-block;padding:5px 8px;border-radius:999px;background:#f2f0ff;color:#5542e8;font-size:8px;font-weight:900}.pay-status-v44.failed{background:#fff4ed;color:#b54708}.pay-status-v44.created{background:#f8f8fc;color:#667085}.pay-empty-v44{padding:45px 24px;text-align:center}.pay-empty-v44 p{color:#667085}.pay-note-v44{margin-top:15px;border:1px solid #ded9ff;background:#f7f5ff;border-radius:12px;padding:16px}.pay-note-v44 b{font-size:11px}.pay-note-v44 p{margin:5px 0 0;color:#667085;font-size:10px}.admin-payments-entry-v44{padding:0 0 45px}.admin-payments-entry-v44 a{display:flex;justify-content:space-between;align-items:center;background:#101828;color:#fff;border-radius:16px;padding:24px 28px}.admin-payments-entry-v44 small{font-size:8px;color:#a99cff;font-weight:900;letter-spacing:.12em}.admin-payments-entry-v44 h2{margin:5px 0}.admin-payments-entry-v44 p{margin:0;color:#98a2b3;font-size:11px}.admin-payments-entry-v44 span{font-size:11px;font-weight:800}.payment-notice-v44{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:11px 12px;border-radius:9px;margin-bottom:12px;font-size:10px}
@media(max-width:800px){.pay-stats-v44{grid-template-columns:1fr 1fr!important}.pay-panel-head{padding:18px}.admin-payments-entry-v44 a{display:block}.admin-payments-entry-v44 span{display:block;margin-top:15px}.pay-filters-v44{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.pay-filters-v44 a{white-space:nowrap}}

/* v4.5 account recovery */
.auth-v45{min-height:70vh;background:#f8f8fc;padding:65px 18px}.auth-simple-v45{max-width:470px;margin:auto;background:#fff;border:1px solid #e4e7ec;border-radius:18px;padding:34px}.auth-simple-v45 h1{font-size:34px;letter-spacing:-.04em;margin:8px 0 10px}.auth-simple-v45>p{color:#667085;line-height:1.65}.auth-simple-v45 form{display:grid;gap:15px;margin-top:24px}.auth-simple-v45 label{display:grid;gap:7px;font-size:10px;font-weight:800}.auth-simple-v45 input{width:100%;padding:12px;border:1px solid #d0d5dd;border-radius:9px}.auth-simple-v45 button{border:0;min-height:46px}.auth-back-v45{display:block;margin-top:18px;font-size:10px;color:#667085}.forgot-link-v45{display:block;text-align:right;margin-top:10px;font-size:10px;color:#6551f3}
@media(max-width:600px){.auth-v45{padding:35px 15px!important}.auth-simple-v45{padding:23px}.auth-simple-v45 h1{font-size:30px}}

/* v4.6 smtp diagnostics */
.smtp-test-v46{max-width:720px}.smtp-test-v46>p{color:#667085}.smtp-test-v46 form{margin:20px 0}.smtp-test-v46 button{border:0}.smtp-test-v46 button:disabled{opacity:.45}.smtp-help-v46{margin-top:22px;padding:16px;border:1px solid #ded9ff;background:#f7f5ff;border-radius:12px}.smtp-help-v46 b{font-size:11px}.smtp-help-v46 p{font-size:10px;color:#667085;line-height:1.6;margin-bottom:0}