*{box-sizing:border-box}:root{--cyan:#42d8ff;--gold:#ffd768;--text:#f5f9ff;--muted:#b7cad9;--line:rgba(66,216,255,.32);--green:#6ee1a6}
body{margin:0;min-height:100vh;color:var(--text);font-family:Arial,Helvetica,sans-serif;background:radial-gradient(circle at 14% 0%,rgba(0,174,255,.18),transparent 35%),linear-gradient(155deg,#010306,#061524 55%,#010306)}
a{color:inherit}.page-shell{width:min(1220px,calc(100% - 30px));margin:0 auto;padding:18px 0 42px}
.site-header,.hero-panel,.content-panel,.site-footer{background:rgba(6,20,34,.94);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 48px rgba(0,0,0,.38)}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 20px;margin-bottom:16px}
.brand h1{margin:0;color:var(--cyan);font-size:clamp(1.45rem,3vw,2.05rem)}.brand p{margin:4px 0 0;font-weight:700}.brand small{display:block;margin-top:3px;color:var(--muted)}
.development-label{display:inline-block;margin-top:8px;padding:5px 9px;color:#1a1100;background:var(--gold);border-radius:999px;font-size:.69rem;font-weight:900;letter-spacing:.09em}
.main-menu{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.main-menu a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 14px;font-weight:800;text-decoration:none;border-radius:10px;color:var(--text);background:rgba(66,216,255,.08);border:1px solid var(--line)}
.main-menu a.primary{color:#04121c;background:var(--cyan);border-color:var(--cyan)}
.hero-panel{padding:28px 24px;margin-bottom:16px;text-align:center;background:linear-gradient(145deg,rgba(7,28,47,.96),rgba(3,13,24,.97))}
.eyebrow{margin:0 0 8px;color:var(--gold);font-size:.75rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.hero-panel h2{margin:0;color:var(--cyan);font-size:clamp(1.8rem,4vw,3rem)}.hero-panel p{max-width:850px;margin:12px auto 0;color:var(--muted);line-height:1.6}
.course-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.course-card{display:flex;flex-direction:column;min-height:250px;padding:19px;text-decoration:none;background:linear-gradient(155deg,rgba(9,33,54,.96),rgba(3,14,26,.97));border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 28px rgba(0,0,0,.25)}
.course-card.is-disabled{opacity:.72}.course-badge{align-self:flex-start;padding:5px 8px;color:#191100;background:var(--gold);border-radius:999px;font-size:.66rem;font-weight:900}.course-card h3{margin:16px 0 8px;color:var(--cyan);font-size:1.35rem}.course-card p{margin:0;color:var(--muted);line-height:1.5}.course-status{margin-top:auto;padding-top:18px;color:var(--green);font-size:.88rem;font-weight:800}
.content-panel{padding:22px;margin-bottom:16px}.content-panel h2{margin-top:0;color:var(--cyan)}.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.module-card{padding:15px;background:rgba(9,30,49,.95);border:1px solid rgba(66,216,255,.25);border-radius:13px}.module-number{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:28px;margin-bottom:9px;color:#06111a;background:var(--gold);border-radius:8px;font-size:.75rem;font-weight:900}.module-card h3{margin:0;color:var(--cyan);font-size:1rem}
.inventory-table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden}.inventory-table th,.inventory-table td{padding:12px 13px;text-align:left;border-bottom:1px solid rgba(66,216,255,.16)}.inventory-table th{color:var(--gold);background:#071523}.inventory-table td{color:var(--muted);background:rgba(3,15,27,.72)}
.site-footer{margin-top:18px;padding:20px;color:var(--muted);text-align:center}
@media(max-width:1000px){.course-grid{grid-template-columns:repeat(2,1fr)}.module-grid{grid-template-columns:repeat(2,1fr)}.site-header{flex-direction:column;align-items:flex-start}.main-menu{justify-content:flex-start}}
@media(max-width:650px){.page-shell{width:calc(100% - 18px);padding-top:9px}.site-header,.hero-panel,.content-panel{padding:16px;border-radius:14px}.brand{width:100%;text-align:center}.main-menu{width:100%;justify-content:center}.main-menu a{flex:1 1 42%}.course-grid,.module-grid{grid-template-columns:1fr}.course-card{min-height:auto}.inventory-table{font-size:.87rem}}