:root {
  --bg: #0a0d14;
  --panel: #111827;
  --panel-2: #0f172a;
  --line: rgba(255,255,255,.08);
  --text: #e5eefc;
  --muted: #9fb0cc;
  --blue: #2563eb;
  --blue-2: #1d4ed8;
  --cyan: #38bdf8;
  --green: #22c55e;
  --gold: #c6a85d;
  --danger: #ef4444;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --max: 1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#06080d 0%,#0b1120 55%,#0a0d14 100%);color:var(--text)}
a{text-decoration:none;color:inherit}
button{font:inherit;cursor:pointer}
img{max-width:100%}
.container{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.nav{position:sticky;top:0;z-index:40;background:rgba(10,13,20,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.4px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#0f2f6b 70%,#93c5fd);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:var(--shadow)}
.brand small{display:block;color:var(--muted);font-weight:600}
.nav-links{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--muted)}
.btn{padding:12px 18px;border-radius:14px;border:1px solid transparent;display:inline-flex;align-items:center;gap:10px;font-weight:700;transition:.2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.35)}
.btn-secondary{border-color:var(--line);background:rgba(255,255,255,.02)}
.btn-ghost{background:transparent;border-color:var(--line)}
.hero{padding:72px 0 52px;position:relative;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:999px;filter:blur(60px);opacity:.35;pointer-events:none}
.hero::before{width:320px;height:320px;top:-40px;left:-60px;background:#1d4ed8}
.hero::after{width:340px;height:340px;right:-90px;bottom:-50px;background:#0ea5e9}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}
.badge{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid rgba(56,189,248,.25);background:rgba(56,189,248,.08);color:#b9e7ff;border-radius:999px;font-size:.92rem;font-weight:700}
h1{font-size:clamp(2.3rem,5vw,4.5rem);line-height:1.02;margin:16px 0 18px;letter-spacing:-.03em}
.lead{font-size:1.12rem;color:var(--muted);max-width:760px;line-height:1.7}
.hero-card,.card,.metric,.timeline-item,.table-wrap,.feature,.pricing,.portal-card,.mock-video,.checkpoint{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-card{padding:22px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.metric{padding:18px}
.metric strong{display:block;font-size:1.5rem}
.metric span{color:var(--muted);font-size:.92rem}
.grid-3,.grid-4,.grid-2{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.section{padding:34px 0}
.section h2{font-size:2rem;margin:0 0 14px}
.section p.section-lead{color:var(--muted);margin:0 0 24px;line-height:1.7;max-width:900px}
.card{padding:22px}
.card h3{margin:0 0 10px;font-size:1.1rem}
.card p,.card li,.muted{color:var(--muted);line-height:1.65}
.icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(37,99,235,.15);border:1px solid rgba(37,99,235,.22);margin-bottom:14px;font-size:1.2rem}
.list{padding-left:18px;margin:10px 0 0}
.checklist{display:grid;gap:10px;padding:0;margin:14px 0 0;list-style:none}
.checklist li{display:flex;gap:10px;align-items:flex-start}
.checklist li::before{content:"✓";color:var(--green);font-weight:900}
.highlight{color:#dbeafe}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.pill{padding:9px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03)}
.pricing{padding:24px;position:relative;overflow:hidden}
.pricing.featured{border-color:rgba(56,189,248,.35);transform:translateY(-4px)}
.price{font-size:2.2rem;font-weight:900;margin:14px 0}
.small{font-size:.92rem;color:var(--muted)}
.kicker{color:#90cdf4;text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;font-weight:800}
.portal-grid{display:grid;grid-template-columns:280px 1fr;gap:22px;min-height:calc(100vh - 82px);padding:20px 0 30px}
.sidebar{padding:22px;position:sticky;top:84px;height:fit-content}
.menu{display:grid;gap:10px;margin-top:18px}
.menu a,.menu button{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.02);border:1px solid transparent;color:#d9e8ff}
.menu a.active,.menu a:hover,.menu button:hover{border-color:rgba(56,189,248,.24);background:rgba(37,99,235,.12)}
.content{display:grid;gap:18px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.welcome{padding:24px;background:linear-gradient(135deg,rgba(37,99,235,.2),rgba(12,74,110,.15));border-radius:var(--radius);border:1px solid rgba(147,197,253,.16)}
.course-grid,.market-grid,.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.course-card,.product-card{overflow:hidden;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#0f172a,#0b3d91 60%,#1d4ed8);display:flex;align-items:flex-end;padding:16px;font-weight:800}
.course-body,.product-body{padding:16px}
.progress{height:10px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden}
.progress > span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:999px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
th{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:#9fb0cc}
.status{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:.84rem;font-weight:700}
.ok{background:rgba(34,197,94,.14);color:#9ae6b4}
.warn{background:rgba(234,179,8,.14);color:#fde68a}
.danger{background:rgba(239,68,68,.14);color:#fecaca}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(100%,580px);padding:28px}
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.role{padding:18px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.role strong{display:block;margin-bottom:6px}
.mock-video{overflow:hidden}
.player-stage{aspect-ratio:16/9;background:radial-gradient(circle at top left,rgba(56,189,248,.18),transparent 30%),linear-gradient(135deg,#020617,#0b1120 48%,#111827);display:grid;place-items:center;position:relative}
.player-stage .pulse{width:104px;height:104px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;font-size:2rem}
.video-controls{padding:16px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tab{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#dbeafe}
.footer{padding:30px 0 46px;color:var(--muted)}
.modal{position:fixed;inset:0;background:rgba(3,7,18,.74);display:none;align-items:center;justify-content:center;padding:18px;z-index:60}
.modal.open{display:flex}
.modal-card{width:min(100%,560px);padding:24px}
.input,select,textarea{width:100%;margin-top:10px;background:#0a1222;border:1px solid var(--line);border-radius:14px;color:var(--text);padding:14px 15px;outline:none}
textarea{min-height:110px;resize:vertical}
.notice{padding:14px 16px;border-radius:14px;background:rgba(34,197,94,.1);color:#bbf7d0;border:1px solid rgba(34,197,94,.22)}
.checkpoint{padding:20px;border:1px solid rgba(56,189,248,.25)}
.timeline{display:grid;gap:16px}
.timeline-item{padding:18px}
.dual{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.center{text-align:center}
.hidden{display:none !important}
hr.sep{border:none;height:1px;background:var(--line);margin:18px 0}
@media (max-width: 1024px){
  .hero-grid,.portal-grid,.dual,.grid-2,.grid-3,.grid-4,.course-grid,.market-grid,.stats-grid{grid-template-columns:1fr 1fr}
  .portal-grid{grid-template-columns:1fr}
  .sidebar{position:static}
}
@media (max-width: 720px){
  .hero-grid,.grid-2,.grid-3,.grid-4,.course-grid,.market-grid,.stats-grid,.role-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
  .nav-links{display:none}
  .topbar,.row{align-items:flex-start;flex-direction:column}
  .hero{padding-top:42px}
  h1{font-size:2.2rem}
}