:root{
  --bg:#06111f;--bg2:#03070d;--panel:#0b1d33;--panel2:#102846;--panel3:#081627;
  --text:#e8f1ff;--muted:#a9bed7;--line:#24486d;--gold:#d8b45c;--blue:#5aa7ff;
  --green:#42d17a;--amber:#f2b84b;--red:#ff5d5d;
}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#14345d 0,#06111f 45%,#03070d 100%);color:var(--text);font-family:"Segoe UI",Roboto,Arial,Helvetica,sans-serif;min-height:100vh}.topbar{border-bottom:1px solid var(--line);background:rgba(3,7,13,.86);padding:16px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}.brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.brand img{width:48px;height:48px;object-fit:contain}.subbrand{color:var(--muted);font-size:12px;margin-top:3px;letter-spacing:.04em}.nav a{color:var(--text);text-decoration:none;margin-left:10px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:rgba(16,40,70,.62);font-size:13px}.nav a:hover{border-color:var(--gold);color:#fff}.hero{padding:54px 28px 32px;max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.hero h1{font-size:42px;margin:0 0 10px;text-transform:uppercase;letter-spacing:.05em}.hero p{max-width:790px;color:var(--muted);font-size:17px;line-height:1.55}.hero-logo{width:150px;max-width:28vw;filter:drop-shadow(0 14px 28px rgba(0,0,0,.45))}.wrap{max-width:1180px;margin:0 auto 44px;padding:0 28px}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.card{background:linear-gradient(180deg,rgba(16,40,70,.95),rgba(8,22,38,.95));border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 14px 35px rgba(0,0,0,.28)}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-6{grid-column:span 6}.span-8{grid-column:span 8}.span-12{grid-column:span 12}.metric{font-size:34px;font-weight:800}.label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.card h2,.card h3{margin-top:0}.pipeline{display:flex;gap:10px;flex-wrap:wrap}.phase{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:rgba(0,0,0,.18);min-width:134px}.phase b{display:block;color:var(--gold)}.badge{display:inline-block;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:bold;border:1px solid rgba(216,180,92,.4);color:var(--gold);background:rgba(216,180,92,.12)}.muted{color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.course-card{min-height:246px;display:flex;flex-direction:column}.course-card h3{font-size:22px;margin:10px 0 6px}.course-card p{color:var(--muted);line-height:1.45}.course-actions{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-block;color:#06111f;background:var(--gold);padding:10px 13px;border-radius:8px;text-decoration:none;font-weight:800;border:0;cursor:pointer}.btn-secondary{color:var(--text);background:transparent;border:1px solid var(--line)}.viewer{width:100%;height:78vh;border:1px solid var(--line);border-radius:12px;background:#050b14}.notice{border-left:4px solid var(--gold);padding:12px 15px;background:rgba(216,180,92,.1);color:#f8e7b7;border-radius:8px;margin:16px 0}.footer{max-width:1180px;margin:0 auto;padding:20px 28px 40px;color:var(--muted);font-size:12px}@media(max-width:850px){.span-3,.span-4,.span-6,.span-8{grid-column:span 12}.topbar{display:block}.nav{margin-top:14px}.nav a{display:inline-block;margin:4px}.hero{grid-template-columns:1fr}.hero h1{font-size:30px}.hero-logo{display:none}.viewer{height:66vh}}
.quiz-form input[type="text"],.quiz-form input[type="email"]{width:100%;margin-top:6px;padding:11px 12px;border-radius:8px;border:1px solid var(--line);background:rgba(3,7,13,.68);color:var(--text)}
.quiz-rule{border:0;border-top:1px solid var(--line);margin:22px 0}.quiz-question{border:1px solid var(--line);border-radius:12px;margin:18px 0;padding:18px;background:rgba(0,0,0,.14)}.quiz-question legend{font-weight:800;color:#fff;padding:0 8px;line-height:1.35}.choice{display:block;margin:10px 0;padding:10px 12px;border:1px solid rgba(255,255,255,.08);border-radius:9px;background:rgba(255,255,255,.035);cursor:pointer}.choice:hover{border-color:var(--gold)}.choice input{margin-right:10px}.quiz-results{width:100%;border-collapse:collapse;margin-top:18px}.quiz-results th,.quiz-results td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.pass{color:var(--green);font-weight:800}.fail{color:var(--red);font-weight:800}

.command-links{text-align:center}.command-button-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:14px}.command-btn{min-width:220px;text-align:center;letter-spacing:.06em;text-transform:uppercase}