*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #326ce5;--primary-dark: #2557c7;--secondary: #00d4aa;--background: #0f1419;--surface: #1a1f2e;--surface-light: #252b3b;--text: #e4e7eb;--text-dim: #9ca3af;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--border: #374151;--code-bg: #1e293b}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--background);color:var(--text);line-height:1.6;font-size:16px}.container{max-width:1400px;margin:0 auto;padding:20px}.hero{text-align:center;padding:60px 20px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:16px;margin-bottom:60px;box-shadow:0 20px 60px #326ce54d}.hero h1{font-size:3.5rem;font-weight:700;margin-bottom:16px;color:#fff}.hero .subtitle{font-size:1.5rem;color:#ffffffe6;margin-bottom:8px}.hero .session-info{font-size:1rem;color:#ffffffb3}.sessions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(600px,1fr));gap:40px;margin-bottom:60px}.session-card{background:var(--surface);border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:all .3s ease;position:relative;text-decoration:none;display:block}.session-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #00d4aa33;border-color:var(--secondary)}.session-number{position:absolute;top:20px;right:20px;background:linear-gradient(135deg,var(--secondary) 0%,var(--primary) 100%);color:#fff;padding:8px 20px;border-radius:20px;font-weight:600;font-size:.9rem;z-index:10;box-shadow:0 4px 12px #0000004d}.video-wrapper{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;background:#000}.video-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.session-content{padding:32px}.session-content h2{font-size:2rem;color:var(--text);margin-bottom:16px}.session-description{color:var(--text-dim);line-height:1.8;margin-bottom:24px;font-size:1.05rem}.session-topics{background:var(--surface-light);padding:20px;border-radius:12px;margin-bottom:24px;border-left:4px solid var(--primary)}.session-topics h3{color:var(--secondary);font-size:1.1rem;margin-bottom:12px}.session-topics ul{list-style:none;padding:0}.session-topics li{color:var(--text-dim);padding:6px 0;font-size:.95rem}.session-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.tag{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:500;transition:all .2s}.tag:hover{transform:scale(1.05);box-shadow:0 4px 12px #326ce566}.session-actions{display:flex;gap:16px;flex-wrap:wrap}.btn{padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:600;font-size:1rem;transition:all .2s;display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:none}.btn-primary{background:linear-gradient(135deg,var(--secondary) 0%,#00b894 100%);color:#fff;box-shadow:0 4px 12px #00d4aa4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00d4aa66}.btn-secondary{background:var(--surface-light);color:var(--text);border:2px solid var(--border)}.btn-secondary:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}.quick-links{background:var(--surface);padding:40px;border-radius:16px;margin-bottom:40px;border:1px solid var(--border)}.quick-links h2{color:var(--secondary);font-size:2rem;margin-bottom:24px;text-align:center}.links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.resource-link{display:flex;align-items:center;gap:20px;background:var(--surface-light);padding:24px;border-radius:12px;text-decoration:none;border:2px solid var(--border);transition:all .3s}.resource-link:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 8px 24px #326ce533}.resource-link .icon{font-size:3rem}.resource-link h3{color:var(--text);font-size:1.2rem;margin-bottom:4px}.resource-link p{color:var(--text-dim);font-size:.9rem}footer{text-align:center;padding:40px 20px;margin-top:60px;border-top:1px solid var(--border);color:var(--text-dim)}footer p{margin-bottom:8px}@media(max-width:1200px){.sessions-grid{grid-template-columns:1fr}}@media(max-width:768px){.hero h1{font-size:2.5rem}.hero .subtitle{font-size:1.2rem}.session-content{padding:24px}.session-content h2{font-size:1.6rem}.session-actions{flex-direction:column}.btn{width:100%;justify-content:center}.quick-links{padding:24px}.links-grid{grid-template-columns:1fr}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.session-card{animation:fadeIn .6s ease-out}.session-card:nth-child(2){animation-delay:.2s}html{scroll-behavior:smooth}::selection{background:var(--primary);color:#fff}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--surface-light);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--border)}.content-card{background:var(--surface);border-radius:12px;padding:30px;margin-bottom:30px;border:1px solid var(--border)}.content-card h3{font-size:1.5rem;color:var(--secondary);margin-bottom:20px}.content-card h4{font-size:1.2rem;color:var(--text);margin:20px 0 10px}.content-card p,.content-card li{color:var(--text-dim);line-height:1.6}.command-block{background:#000;border-radius:8px;margin:20px 0;border:1px solid var(--border);overflow:hidden}.command-header{background:var(--surface-light);padding:8px 16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}.command-label{font-family:monospace;font-size:.85rem;color:var(--text-dim)}.copy-btn{background:transparent;border:1px solid var(--border);color:var(--text-dim);padding:4px 12px;border-radius:4px;cursor:pointer;font-size:.8rem;transition:all .2s}.copy-btn:hover{border-color:var(--primary);background:#326ce51a;color:var(--primary)}.command-block pre{padding:16px;margin:0;overflow-x:auto}.command-block code{background:transparent;color:#e2e8f0;font-family:Menlo,Monaco,Courier New,monospace;font-size:.95rem;padding:0}.output-box{background:#10b9810d;border-left:4px solid var(--success);padding:16px;border-radius:4px;margin:20px 0}.output-box strong{display:block;color:var(--success);margin-bottom:8px;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.output-box pre{margin:0;color:var(--text-dim);font-family:monospace;font-size:.9rem;white-space:pre-wrap}.info-box,.tip-box,.warning-box{padding:16px;border-radius:8px;margin:20px 0;background:var(--surface-light);border:1px solid var(--border)}.info-box{border-left:4px solid var(--primary)}.tip-box{border-left:4px solid var(--secondary)}.warning-box{border-left:4px solid var(--warning)}.section h2{font-size:2rem;margin-bottom:30px;padding-bottom:10px;border-bottom:1px solid var(--border);color:var(--text)}.table-of-contents{background:var(--surface);padding:30px;border-radius:12px;margin-bottom:40px;border:1px solid var(--border)}.table-of-contents ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px;list-style:none;padding:0}.table-of-contents a{color:var(--secondary);text-decoration:none;font-weight:500}.table-of-contents a:hover{text-decoration:underline}.back-button{margin-bottom:20px}.back-button a{display:inline-flex;align-items:center;color:var(--text-dim);text-decoration:none;font-weight:500;transition:color .2s}.back-button a:hover{color:var(--primary)}