:root{
  --bg:#eef1fb;
  --surface:#ffffff;
  --border:#dde3f5;
  --border-strong:#c3cdec;
  --text:#171a2b;
  --muted:#62667c;
  --locked:#9aa0b8;
  --primary:#3556f3;
  --primary-strong:#2843d1;
  --primary-glow: rgba(53,86,243,.22);
  --primary-tint: rgba(53,86,243,.08);
  --success:#1f9d6c;
  --success-tint: rgba(31,157,108,.1);
  --success-glow: rgba(31,157,108,.22);
  --warn:#c98a1f;
  --warn-tint: rgba(201,138,31,.1);
  --danger:#d6434c;
  --danger-tint: rgba(214,67,76,.1);
  --gradient-dark: linear-gradient(135deg, #0e1442 0%, #24399f 55%, #3556f3 100%);
  --radius:14px;
  --radius-sm:10px;
  --shadow-md: 0 1px 2px rgba(15,20,40,.04), 0 6px 16px -12px rgba(15,20,40,.1);
  --shadow-lg: 0 16px 34px -18px rgba(15,20,40,.2);
}

*{box-sizing:border-box;}

body{
  margin:0;
  min-height:100vh;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;}

/* ---------------------------------------------------------------
   Top bar
--------------------------------------------------------------- */
header.topbar{
  position:sticky;top:0;z-index:30;
  background:rgba(247,246,243,.94);
  backdrop-filter:blur(10px) saturate(140%);
  -webkit-backdrop-filter:blur(10px) saturate(140%);
  border-bottom:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:space-between;
  padding:17px 32px;
  gap:16px;
  flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15px;letter-spacing:-.01em;}
.brand .mark{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:13.5px;font-weight:800;
}
.topbar-right{display:flex;align-items:center;gap:24px;flex-wrap:wrap;}
nav.tabs{display:flex;gap:30px;}
nav.tabs button{
  border:none;background:transparent;padding:8px 0;border-bottom:2.5px solid transparent;
  font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;
  transition:color .15s ease, border-color .15s ease;font-family:inherit;
}
nav.tabs button:hover{color:var(--text);}
nav.tabs button.active{color:var(--text);font-weight:800;border-bottom-color:var(--primary);}

.lang-switch{display:flex;gap:2px;background:rgba(15,23,42,.035);border:1px solid var(--border);border-radius:999px;padding:3px;}
.lang-switch button{
  border:none;background:transparent;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--muted);cursor:pointer;font-family:inherit;
  transition:background .15s ease, color .15s ease;
}
.lang-switch button.active{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(20,18,14,.1);}

main{max-width:1120px;margin:0 auto;padding:48px 32px 96px;}
section.view{display:none;}
section.view.active{display:block;animation:fade .3s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* ---------------------------------------------------------------
   Overview
--------------------------------------------------------------- */
.hero{padding:8px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;}
.hero h1{
  font-size:clamp(28px,3.6vw,40px);margin:0 0 18px;font-weight:800;letter-spacing:-.025em;line-height:1.1;
  color:var(--text);
}
.hero p{font-size:16px;line-height:1.6;color:var(--muted);margin:0 0 30px;}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-media .video-player{border-radius:14px;}
.hero-media .video-caption{text-align:center;}

.stats-band{display:flex;gap:44px;flex-wrap:wrap;margin-top:40px;padding-top:28px;border-top:1px solid var(--border);}
.stat-chip{display:flex;flex-direction:column;gap:5px;}
.stat-chip .stat-num{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:-.02em;}
.stat-chip .stat-lbl{font-size:11.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;}

.btn{border:none;border-radius:10px;padding:12px 24px;font-size:14px;font-weight:700;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;font-family:inherit;}
.btn:active{transform:scale(.97);}
.btn-light{background:#fff;color:var(--text);border:1.5px solid var(--border-strong);}
.btn-light:hover{background:var(--bg);}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--border-strong);}
.btn-ghost:hover{background:#fff;border-color:var(--text);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-strong);transform:translateY(-1px);}
.btn-outline{background:transparent;border:1.5px solid var(--border-strong);color:var(--text);}
.btn-outline:hover{border-color:var(--text);background:var(--bg);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

.section-intro{text-align:center;max-width:620px;margin:64px auto 0;}
.section-intro h2{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.02em;margin:0 0 10px;}
.section-intro p{font-size:15px;color:var(--muted);line-height:1.6;margin:0;}

.feature-tabs{margin-top:32px;}
.feature-tab-bar{
  display:flex;align-items:flex-start;gap:8px;margin-bottom:10px;
}
.feature-tab{
  flex:1;position:relative;border:1px solid var(--border-strong);color:var(--text);background:#fff;
  padding:14px 14px;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-family:inherit;
  border-radius:14px;
  transition:border-radius .15s ease, margin .15s ease, padding .15s ease, background .15s ease, color .15s ease;
}
.feature-tab .icon-svg{width:15px;height:15px;flex-shrink:0;}
.feature-tab:not(.active):hover{border-color:var(--primary);color:var(--primary);}
.feature-tab.active{
  background:var(--gradient-dark);color:#fff;border-color:transparent;
  border-radius:14px 14px 0 0;
  margin-bottom:-10px;
  padding-bottom:24px;
}

.feature-panel{
  background:var(--gradient-dark);
  border-radius:20px;padding:clamp(28px,4vw,44px);
  display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;color:#fff;
  transition:border-radius .15s ease;
}
.feature-panel-text h3{font-size:clamp(22px,2.8vw,28px);font-weight:800;margin:0 0 14px;letter-spacing:-.015em;line-height:1.2;}
.feature-panel-text p{font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.86);margin:0 0 24px;max-width:440px;}
.btn-panel{
  background:var(--primary);color:#fff;border:none;border-radius:10px;
  padding:12px 22px;font-size:13px;font-weight:700;
  cursor:default;font-family:inherit;display:inline-flex;align-items:center;gap:8px;
}

.feature-mock{background:#fff;border-radius:16px;padding:20px 22px;color:var(--text);box-shadow:0 24px 54px -22px rgba(14,20,66,.45);}
.feature-mock .mock-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px;}

.mock-modules{display:flex;flex-direction:column;gap:8px;}
.mock-row{display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;padding:8px 10px;border-radius:9px;background:var(--bg);}
.mock-row .mock-dot{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;flex-shrink:0;background:var(--border);color:var(--muted);}
.mock-row.done .mock-dot{background:var(--success-tint);color:var(--success);}
.mock-row.active .mock-dot{background:var(--primary-tint);color:var(--primary);}
.mock-row.done{color:var(--muted);}

.mock-quiz .mock-q{font-size:12.5px;font-weight:700;margin:0 0 10px;}
.mock-quiz .mock-opt{font-size:12px;padding:8px 11px;border-radius:8px;border:1px solid var(--border);margin-bottom:6px;background:var(--bg);}
.mock-quiz .mock-opt.correct{border-color:var(--success);background:var(--success-tint);color:var(--success);font-weight:700;}

.mock-cert{text-align:center;padding:6px 4px;}
.mock-cert .mock-cert-icon{width:44px;height:44px;border-radius:50%;background:var(--primary-tint);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;}
.mock-cert .mock-cert-icon .icon-svg{width:22px;height:22px;}
.mock-cert .mock-cert-title{font-size:13px;font-weight:800;margin:0 0 4px;}
.mock-cert .mock-cert-name{font-size:11.5px;color:var(--muted);margin:0;}

.mock-stats{display:flex;gap:14px;}
.mock-stats .mock-stat{flex:1;text-align:center;background:var(--bg);border-radius:10px;padding:14px 8px;}
.mock-stats .mock-stat b{display:block;font-size:20px;font-weight:800;color:var(--primary);}
.mock-stats .mock-stat span{display:block;font-size:10.5px;color:var(--muted);margin-top:4px;text-transform:uppercase;letter-spacing:.04em;}

/* ---------------------------------------------------------------
   Icons
--------------------------------------------------------------- */
.icon-svg{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;display:block;}

/* ---------------------------------------------------------------
   Progress rings
--------------------------------------------------------------- */
.ring{display:block;flex-shrink:0;}
.ring-track{stroke:var(--border);}
.ring-fill{stroke:var(--primary);stroke-linecap:round;transition:stroke-dashoffset .5s ease;}
.ring-text{font-size:12px;font-weight:800;fill:var(--text);}

/* ---------------------------------------------------------------
   Panels & shared bits
--------------------------------------------------------------- */
.panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-md);
}
.panel-spaced{margin-top:18px;}
.section-title{margin:0 0 4px;font-size:19px;font-weight:800;letter-spacing:-.01em;}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.learner-fields{display:flex;gap:16px;flex-wrap:wrap;}
.learner-field{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);}
.learner-field input, .learner-field select{
  border:1px solid var(--border-strong);border-radius:9px;padding:8px 11px;font-size:13.5px;font-weight:600;
  color:var(--text);background:var(--bg);font-family:inherit;
}
.learner-field input::placeholder{color:var(--locked);}
.learner-field input:focus, .learner-field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-tint);}

.progress-wrap{margin-top:20px;display:flex;align-items:center;gap:16px;}
.progress-label{font-size:12.5px;color:var(--muted);margin-top:0;}

/* ---------------------------------------------------------------
   Course selector
--------------------------------------------------------------- */
.course-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:22px;}
.course-card{
  border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;cursor:pointer;
  background:#fff;
  transition:border-color .18s ease, transform .18s ease;
}
.course-card:hover{border-color:var(--border-strong);transform:translateY(-2px);}
.course-card.active{border-color:var(--primary);box-shadow:inset 0 0 0 1.5px var(--primary);}
.course-card h4{margin:0 0 7px;font-size:14.5px;font-weight:700;}
.course-card p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.55;min-height:38px;}
.course-card-progress{display:flex;align-items:center;gap:12px;margin-top:14px;}
.course-card-progress-text{font-size:12px;color:var(--muted);line-height:1.45;}
.course-card-progress-text b{color:var(--text);font-weight:700;}

/* ---------------------------------------------------------------
   Modules & quizzes
--------------------------------------------------------------- */
.module-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.module{
  border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;
  background:#fff;
  transition:border-color .18s ease;
}
.module.locked{opacity:.6;}
.module-head{display:flex;align-items:center;justify-content:space-between;cursor:pointer;gap:12px;}
.module-title{display:flex;align-items:center;gap:14px;}
.module-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0;}
.module-num .icon-svg{width:15px;height:15px;stroke-width:2.4;}
.module.completed .module-num{background:var(--success-tint);color:var(--success);}
.module.unlocked .module-num{background:var(--primary-tint);color:var(--primary);}
.module.locked .module-num{background:var(--bg);color:var(--locked);}
.module-title h4{margin:0;font-size:14.5px;font-weight:700;}
.module-title .sub{font-size:12px;color:var(--muted);margin-top:3px;}
.status-tag{font-size:11.5px;font-weight:700;padding:5px 11px;border-radius:999px;white-space:nowrap;}
.status-tag.completed{background:var(--success-tint);color:var(--success);}
.status-tag.unlocked{background:var(--primary-tint);color:var(--primary);}
.status-tag.locked{background:var(--bg);color:var(--locked);border:1px solid var(--border);}
.module-body{margin-top:18px;padding-top:18px;border-top:1px dashed var(--border);display:none;}
.module-body.open{display:block;}
.module-content p{font-size:13.5px;line-height:1.65;color:#3a382f;}
.module-content ul{font-size:13.5px;line-height:1.75;color:#3a382f;padding-left:20px;}
.knowledge-check-title{margin:20px 0 4px;font-size:14px;font-weight:700;}
.module-actions{margin-top:14px;display:flex;gap:10px;}

.video-block{margin-bottom:18px;}
.video-player{
  width:100%;aspect-ratio:16/9;border-radius:12px;display:block;
  background:#000;border:1px solid var(--border);
}
.video-caption{font-size:12px;color:var(--muted);margin-top:8px;}

.quiz-q{margin:16px 0;}
.quiz-q p.qtext{font-weight:700;font-size:13.5px;margin:0 0 9px;}
.quiz-opt{
  display:flex;align-items:center;gap:10px;padding:10px 13px;border:1px solid var(--border);border-radius:10px;
  margin-bottom:8px;cursor:pointer;font-size:13.5px;color:var(--text);
  transition:border-color .15s ease, background .15s ease;
  background:var(--bg);
}
.quiz-opt:hover{border-color:var(--border-strong);}
.quiz-opt.selected{border-color:var(--primary);background:var(--primary-tint);font-weight:600;color:var(--primary-strong);}
.quiz-opt.correct{border-color:var(--success);background:var(--success-tint);}
.quiz-opt.incorrect{border-color:var(--danger);background:var(--danger-tint);}
.quiz-opt input{accent-color:var(--primary);}

.result-box{margin-top:14px;padding:14px 16px;border-radius:10px;font-size:13.5px;font-weight:600;border:1px solid transparent;display:flex;align-items:flex-start;gap:10px;}
.result-box .icon-svg{width:18px;height:18px;flex-shrink:0;margin-top:1px;}
.result-box.pass{background:var(--success-tint);color:var(--success);border-color:rgba(31,157,108,.28);}
.result-box.fail{background:var(--danger-tint);color:var(--danger);border-color:rgba(214,67,76,.28);}

.cert-banner{
  display:none;margin-top:26px;border-radius:16px;padding:26px 28px;color:#fff;
  align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:linear-gradient(135deg, #1f8f68 0%, #3fc994 100%);
}
.cert-banner-info{display:flex;align-items:center;gap:16px;}
.cert-icon{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
}
.cert-icon .icon-svg{width:22px;height:22px;color:#fff;}
.cert-banner h3{margin:0 0 5px;font-size:16px;}
.cert-banner p{margin:0;font-size:13px;opacity:.92;}

/* ---------------------------------------------------------------
   Dashboard
--------------------------------------------------------------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px;}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;
}
.stat-card .num{font-size:26px;font-weight:800;letter-spacing:-.01em;}
.stat-card .num.success{color:var(--success);}
.stat-card .num.primary{color:var(--primary);}
.stat-card .num.muted{color:var(--locked);}
.stat-card .lbl{font-size:11px;color:var(--muted);margin-top:5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:4px;}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px;}
thead th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:0 12px 12px;border-bottom:1px solid var(--border);white-space:nowrap;}
tbody td{padding:13px 12px;border-bottom:1px solid var(--border);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:var(--bg);}
.empty-row{text-align:center;color:var(--muted);padding:24px;}
.name-cell{display:flex;align-items:center;gap:11px;}
.you-tag{color:var(--primary);font-weight:700;font-size:11px;margin-left:4px;}
.avatar{
  width:30px;height:30px;border-radius:50%;flex-shrink:0;
  background:var(--primary-tint);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;
  border:1px solid rgba(53,86,243,.2);
}
.mini-bar{width:90px;height:6px;border-radius:999px;background:var(--bg);border:1px solid var(--border);overflow:hidden;display:inline-block;vertical-align:middle;margin-right:9px;}
.mini-bar > div{height:100%;background:var(--primary);}
.dash-controls{margin-bottom:18px;}
.dash-controls-left{display:flex;gap:10px;flex-wrap:wrap;}
.dash-controls input[type=text]{border:1px solid var(--border-strong);border-radius:9px;padding:10px 13px;font-size:13.5px;min-width:220px;background:var(--bg);color:var(--text);font-family:inherit;}
.dash-controls input[type=text]::placeholder{color:var(--locked);}
.dash-controls select{border:1px solid var(--border-strong);border-radius:9px;padding:10px 13px;font-size:13.5px;background:var(--bg);color:var(--text);font-family:inherit;}
.dash-controls input[type=text]:focus, .dash-controls select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-tint);}
.link-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:var(--primary);font-weight:700;font-size:13px;cursor:pointer;padding:0;font-family:inherit;}
.link-btn .icon-svg{width:13px;height:13px;}
.link-btn:hover{text-decoration:underline;}
.muted-x{color:var(--locked);font-size:13px;}

footer.note{max-width:1120px;margin:0 auto;padding:0 32px 48px;color:var(--muted);font-size:12px;text-align:center;}
footer.note p{margin:0;}

.credit-badge{
  display:inline-flex;align-items:center;gap:12px;
  margin:20px auto 0;padding:8px 16px 8px 8px;
  background:#fff;text-decoration:none;
  border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow-md);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.credit-badge:hover{border-color:var(--border-strong);box-shadow:var(--shadow-lg);}
.credit-logo{width:32px;height:32px;border-radius:8px;flex-shrink:0;object-fit:contain;}
.credit-text{display:flex;flex-direction:column;align-items:flex-start;line-height:1.35;text-align:left;}
.credit-name{font-size:12px;font-weight:700;color:var(--primary);text-decoration:underline;text-underline-offset:2px;}
.credit-sub{font-size:9.5px;font-weight:700;letter-spacing:.08em;color:var(--muted);}

/* ---------------------------------------------------------------
   Responsive
--------------------------------------------------------------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .feature-panel{grid-template-columns:1fr;}
  .feature-mock{order:-1;max-width:360px;}
}

@media (max-width:760px){
  header.topbar{padding:14px 18px;}
  .brand{font-size:14px;}
  nav.tabs{gap:20px;}
  nav.tabs button{font-size:13px;}
  main{padding:32px 16px 72px;}
  footer.note{padding:0 16px 40px;}
  .stats-band{gap:28px;margin-top:32px;padding-top:22px;}
  .stat-chip .stat-num{font-size:24px;}
  .panel{padding:20px;}
  .row-between{align-items:flex-start;}
  .learner-fields{width:100%;flex-direction:column;}
  .learner-field{flex:1 1 100%;width:100%;}
  .learner-field input, .learner-field select{width:100%;}
  .dash-controls-left{width:100%;}
  .dash-controls input[type=text]{min-width:0;flex:1 1 160px;}
  .credit-badge{flex-wrap:wrap;justify-content:center;border-radius:16px;}
  .feature-tab span{display:none;}
  .feature-tab{padding:14px 8px;}
  .section-intro{margin-top:44px;}
}

/* dashboard table -> stacked cards; a separate, wider breakpoint from the
   phone tightening above because 6 columns need more room than 760px to
   render as a real table (768px iPad-portrait was still getting clipped) */
@media (max-width:800px){
  .table-scroll{overflow-x:visible;}
  table{min-width:0;}
  thead{display:none;}
  tbody, tr, td{display:block;width:100%;}
  tbody tr{border:1px solid var(--border);border-radius:12px;margin-bottom:12px;padding:2px 14px;background:#fff;}
  tbody tr:last-child{margin-bottom:0;}
  tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 0;border-bottom:1px solid var(--border);text-align:right;
  }
  tbody td:last-child{border-bottom:none;}
  tbody td::before{
    content:attr(data-label);font-size:11px;font-weight:700;text-transform:uppercase;
    letter-spacing:.04em;color:var(--muted);text-align:left;flex-shrink:0;
  }
  .empty-row{display:block;text-align:center;padding:24px;}
  .empty-row::before{content:none;}
}

@media (max-width:480px){
  .hero h1{font-size:26px;}
  .stats-band{gap:20px 28px;}
  .module-title{gap:10px;}
  .module-num{width:28px;height:28px;font-size:12px;}
}