:root{--nav-bg: #0d1117;--bg-dark: #0a0e17;--bg-darker: #02060f;--text-main: #f0f6fc;--text-muted: #8b949e;--border-color: #30363d;--sql-color: #f59e0b;--sap-color: #3b82f6;--bi-color: #10b981;--etl-color: #a855f7}[data-astro-cid-f3dev35z]{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.6}.container[data-astro-cid-f3dev35z]{max-width:1100px;margin:0 auto;padding:0 20px}.navbar[data-astro-cid-f3dev35z]{background-color:var(--nav-bg);border-bottom:1px solid #1f2937;position:sticky;top:0;z-index:1000}.nav-container[data-astro-cid-f3dev35z]{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:1200px;margin:0 auto;padding:0 20px}.logo[data-astro-cid-f3dev35z]{color:#fff;text-decoration:none;display:flex;align-items:center;gap:8px}.logo-icon[data-astro-cid-f3dev35z]{font-size:1.4rem;color:var(--sql-color)}.logo-text[data-astro-cid-f3dev35z]{font-size:1.25rem}.logo-text-bold[data-astro-cid-f3dev35z]{font-weight:700}.nav-links[data-astro-cid-f3dev35z]{display:flex;list-style:none;height:100%;gap:1.5rem}.nav-links[data-astro-cid-f3dev35z] li[data-astro-cid-f3dev35z]{height:100%;display:flex;align-items:center}.nav-links[data-astro-cid-f3dev35z] a[data-astro-cid-f3dev35z]{color:#e5e7eb;text-decoration:none;font-size:.9rem;font-weight:500;height:100%;display:flex;align-items:center;border-bottom:3px solid #0000;transition:color .2s}.nav-links[data-astro-cid-f3dev35z] a[data-astro-cid-f3dev35z]:hover{color:#fff}.nav-links[data-astro-cid-f3dev35z] a[data-astro-cid-f3dev35z].active{color:#fff;font-weight:600;border-bottom:3px solid var(--sql-color)}.social-icons[data-astro-cid-f3dev35z] a[data-astro-cid-f3dev35z]{color:#9ca3af;font-size:1.1rem;transition:color .2s}.social-icons[data-astro-cid-f3dev35z] a[data-astro-cid-f3dev35z]:hover{color:#fff}.page-header[data-astro-cid-f3dev35z]{padding:60px 0 40px;text-align:center;background:linear-gradient(180deg,#02060f 0%,var(--bg-dark) 100%)}.page-header[data-astro-cid-f3dev35z] h1[data-astro-cid-f3dev35z]{font-size:2.5rem;font-weight:700;margin-bottom:10px}.page-header[data-astro-cid-f3dev35z] p[data-astro-cid-f3dev35z]{color:var(--text-muted);font-size:1.1rem}.courses-section[data-astro-cid-f3dev35z]{padding:40px 0 80px}.courses-grid[data-astro-cid-f3dev35z]{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:2rem}.course-card[data-astro-cid-f3dev35z]{background-color:#0d1117;border:1px solid var(--border-color);border-radius:12px;display:flex;padding:1.5rem;gap:1.5rem;transition:transform .2s,box-shadow .2s,border-color .2s}.course-card[data-astro-cid-f3dev35z]:not(.disabled-card):hover{transform:translateY(-4px);border-color:#4b5563;box-shadow:0 10px 30px #0006}.disabled-card[data-astro-cid-f3dev35z]{opacity:.85}.course-icon[data-astro-cid-f3dev35z]{width:70px;height:70px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:2rem;flex-shrink:0}.sql-theme[data-astro-cid-f3dev35z]{background-color:#f59e0b1a;color:var(--sql-color)}.sap-theme[data-astro-cid-f3dev35z]{background-color:#3b82f61a;color:var(--sap-color)}.bi-theme[data-astro-cid-f3dev35z]{background-color:#10b9811a;color:var(--bi-color)}.etl-theme[data-astro-cid-f3dev35z]{background-color:#a855f71a;color:var(--etl-color)}.disabled-card[data-astro-cid-f3dev35z] .bi-theme[data-astro-cid-f3dev35z]{background-color:#10b9810d;color:#10b98180}.disabled-card[data-astro-cid-f3dev35z] .etl-theme[data-astro-cid-f3dev35z]{background-color:#a855f70d;color:#a855f780}.course-content[data-astro-cid-f3dev35z]{display:flex;flex-direction:column;flex:1}.course-content[data-astro-cid-f3dev35z] h3[data-astro-cid-f3dev35z]{font-size:1.3rem;margin-bottom:.5rem}.course-content[data-astro-cid-f3dev35z] p[data-astro-cid-f3dev35z]{color:var(--text-muted);font-size:.9rem;margin-bottom:1.5rem;line-height:1.5}.course-meta[data-astro-cid-f3dev35z]{display:flex;gap:1rem;margin-bottom:1.5rem}.course-meta[data-astro-cid-f3dev35z] span[data-astro-cid-f3dev35z]{font-size:.8rem;color:#9ca3af;background-color:#1f2937;padding:4px 10px;border-radius:20px;display:flex;align-items:center;gap:6px}.btn-start[data-astro-cid-f3dev35z]{margin-top:auto;padding:10px 0;text-align:center;border-radius:6px;font-size:.95rem;font-weight:600;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:8px;transition:background-color .2s,color .2s}.sql-btn[data-astro-cid-f3dev35z]{background-color:#f59e0b26;color:var(--sql-color)}.sql-btn[data-astro-cid-f3dev35z]:hover{background-color:var(--sql-color);color:#000}.sap-btn[data-astro-cid-f3dev35z]{background-color:#3b82f626;color:var(--sap-color)}.sap-btn[data-astro-cid-f3dev35z]:hover{background-color:var(--sap-color);color:#fff}.btn-disabled[data-astro-cid-f3dev35z]{background-color:#161b22;color:#6b7280;border:1px dashed #30363d;cursor:not-allowed}@media(width<=768px){.courses-grid[data-astro-cid-f3dev35z]{grid-template-columns:1fr}.course-card[data-astro-cid-f3dev35z]{flex-direction:column}.course-icon[data-astro-cid-f3dev35z]{width:60px;height:60px;font-size:1.5rem}}