.course-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column;position:relative}.course-card:hover{transform:translateY(-4px);box-shadow:0 8px 40px rgba(0,0,0,.5),0 0 0 1px var(--tag-color,var(--accent));border-color:var(--tag-color,var(--accent))}.card-image-wrap{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-surface)}.card-image{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.course-card:hover .card-image{transform:scale(1.04)}.card-image-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-card) 0,var(--bg-surface) 100%)}.fallback-icon{font-size:48px;opacity:.5}.badge-bestseller{left:10px;background:#f59e0b;font-size:10px;letter-spacing:.08em;text-transform:uppercase}.badge-bestseller,.card-tag-pill{position:absolute;top:10px;color:#0d0f14;font-weight:700;font-family:var(--font-mono);padding:3px 8px;border-radius:4px}.card-tag-pill{right:10px;background:var(--tag-color,var(--accent));font-size:9px;letter-spacing:.1em}.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1 1}.card-title{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--text-primary);line-height:1.4}.card-headline,.card-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-headline{font-size:12px;color:var(--text-secondary);line-height:1.5}.card-meta{display:flex;align-items:center;gap:8px}.card-instructor{font-size:11px;color:var(--text-muted);font-style:italic}.card-stats{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.stars{display:flex;gap:1px}.star{font-size:11px;color:var(--text-muted)}.star.filled{color:#f59e0b}.card-rating-num{font-size:12px;font-weight:700;color:#f59e0b;font-family:var(--font-mono)}.card-reviews{font-size:11px;color:var(--text-muted)}.card-level{margin-left:auto;font-size:10px;font-family:var(--font-mono);color:var(--tag-color,var(--accent));border:1px solid;padding:1px 6px;border-radius:4px}.card-topics{display:flex;flex-wrap:wrap;gap:4px}.topic-chip{font-size:10px;padding:2px 8px;background:var(--bg-surface);border:1px solid var(--border);border-radius:20px;color:var(--text-secondary);font-family:var(--font-mono);transition:border-color .2s,color .2s}.course-card:hover .topic-chip{border-color:color-mix(in srgb,var(--tag-color,var(--accent)) 40%,transparent);color:var(--text-primary)}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;border-top:1px solid var(--border-subtle)}.card-price{display:flex;align-items:baseline;gap:6px}.price-current{font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--accent)}.price-original{text-decoration:line-through}.card-duration,.price-original{font-size:11px;color:var(--text-muted)}.card-duration{font-family:var(--font-mono)}.workshop-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;overflow:hidden;cursor:pointer;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex;flex-direction:column}.workshop-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 8px 32px rgba(0,229,160,.12)}.wcard-image-wrap{position:relative;overflow:hidden}.wcard-image{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;transition:transform .3s}.workshop-card:hover .wcard-image{transform:scale(1.03)}.wcard-image-fallback{aspect-ratio:16/9;background:var(--bg-card-hover);display:flex;align-items:center;justify-content:center;font-size:48px}.wcard-badge{left:12px;background:var(--accent);color:#000;font-size:11px;padding:3px 10px;border-radius:20px;letter-spacing:.05em;text-transform:uppercase}.wcard-badge,.wcard-tag-pill{position:absolute;top:12px;font-weight:700}.wcard-tag-pill{right:12px;background:rgba(0,0,0,.6);color:var(--accent);font-size:10px;padding:3px 8px;border-radius:4px;letter-spacing:.08em;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.wcard-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1}.wcard-title{font-size:16px;font-weight:700;color:var(--text-primary);line-height:1.4}.wcard-headline{font-size:13px;color:var(--text-secondary);line-height:1.5}.wcard-topics{display:flex;flex-wrap:wrap;gap:6px}.wcard-footer{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}.wcard-cta{margin-left:auto;color:var(--accent);font-weight:600;font-size:13px}.container{max-width:1280px;margin:0 auto;padding:0 24px}.hero{position:relative;padding:80px 24px 60px;overflow:hidden}.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(0,229,160,.04) 1px,transparent 0),linear-gradient(90deg,rgba(0,229,160,.04) 1px,transparent 0);background-size:60px 60px;-webkit-mask-image:radial-gradient(ellipse at 50% 0,black 0,transparent 70%);mask-image:radial-gradient(ellipse at 50% 0,black 0,transparent 70%)}.hero-inner{max-width:720px;margin:0 auto;text-align:center;position:relative}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.15em;color:var(--text-muted);text-transform:uppercase;margin-bottom:20px}.eyebrow-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}.hero-title{font-family:var(--font-display);font-size:clamp(36px,6vw,64px);font-weight:800;line-height:1.1;color:var(--text-primary);margin-bottom:20px}.hero-accent{color:var(--accent);position:relative}.hero-accent:after{content:"";position:absolute;bottom:4px;left:0;right:0;height:3px;background:var(--accent);opacity:.3;border-radius:2px}.hero-sub{font-size:16px;color:var(--text-secondary);max-width:560px;margin:0 auto 36px;line-height:1.7}.search-wrap{display:flex;align-items:center;max-width:520px;margin:0 auto 40px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:0 16px;transition:border-color .2s,box-shadow .2s}.search-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.search-icon{font-size:14px;opacity:.5;flex-shrink:0}.search-input{flex:1 1;background:none;border:none;outline:none;padding:14px 12px;font-family:var(--font-body);font-size:14px;color:var(--text-primary)}.search-input::placeholder{color:var(--text-muted)}.search-clear{font-size:12px;color:var(--text-muted);padding:4px 6px;border-radius:4px;transition:color .2s,background .2s}.search-clear:hover{color:var(--text-primary);background:var(--bg-surface)}.hero-stats{justify-content:center;gap:24px}.hero-stats,.stat{display:flex;align-items:center}.stat{flex-direction:column;gap:2px}.stat-num{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--accent)}.stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.stat-divider{width:1px;height:36px;background:var(--border)}.filter-section{padding:24px 0 0;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:60px;z-index:50;background:rgba(13,15,20,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.tag-bar{display:flex;gap:6px;overflow-x:auto;padding-bottom:16px;scrollbar-width:none;-ms-overflow-style:none}.tag-bar::-webkit-scrollbar{display:none}.tag-btn{padding:7px 18px;border-radius:8px;font-size:13px;font-weight:600;font-family:var(--font-display);color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border);white-space:nowrap;transition:all .2s}.tag-btn:hover{color:var(--text-primary);border-color:var(--text-muted);background:var(--bg-card-hover)}.tag-btn.active{background:var(--accent);color:#0d0f14;border-color:var(--accent);box-shadow:0 0 16px var(--accent-glow)}.tag-btn[data-tag=aws].active{background:#ff9a3c;border-color:#ff9a3c;box-shadow:0 0 16px rgba(255,154,60,.2)}.tag-btn[data-tag=devops].active{background:#a855f7;border-color:#a855f7;box-shadow:0 0 16px rgba(168,85,247,.2)}.tag-btn[data-tag=kubernetes].active{background:#3b82f6;border-color:#3b82f6;box-shadow:0 0 16px rgba(59,130,246,.2)}.tag-btn[data-tag=monitoring].active{background:#ef4444;border-color:#ef4444;box-shadow:0 0 16px rgba(239,68,68,.2)}.tag-btn[data-tag=linux].active{background:#f59e0b;border-color:#f59e0b;box-shadow:0 0 16px rgba(245,158,11,.2)}.tag-btn[data-tag=python].active{background:#22d3ee;border-color:#22d3ee;box-shadow:0 0 16px rgba(34,211,238,.2)}.results-count{padding:10px 0;font-size:12px;color:var(--text-muted);font-family:var(--font-mono)}.courses-section{padding:40px 0 80px}.courses-grid,.loading-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:20px;gap:20px}.skeleton-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;animation:shimmer 1.5s infinite}.skeleton-img{aspect-ratio:16/9;background:var(--bg-surface)}.skeleton-body{padding:16px;display:flex;flex-direction:column;gap:10px}.skeleton-line{height:12px;background:var(--bg-surface);border-radius:6px}.skeleton-line.w80{width:80%}.skeleton-line.w60{width:60%}.skeleton-line.w40{width:40%}@keyframes shimmer{0%,to{opacity:.6}50%{opacity:1}}.empty-state,.error-state{text-align:center;padding:80px 24px;display:flex;flex-direction:column;align-items:center;gap:16px}.empty-icon,.error-icon{font-size:48px}.empty-state p,.error-state p{color:var(--text-secondary);font-size:16px}.btn-reset{padding:10px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:13px;font-weight:600;transition:all .2s}.btn-reset:hover{border-color:var(--accent);color:var(--accent)}.footer{border-top:1px solid var(--border);padding:24px}.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.footer-brand{font-family:var(--font-display);font-weight:700;color:var(--accent);font-size:16px}.footer-copy{font-size:12px;color:var(--text-muted)}.footer-link{font-size:12px;font-family:var(--font-mono);color:var(--text-secondary);transition:color .2s}.footer-link:hover{color:var(--accent)}.workshops-separator{display:flex;align-items:center;gap:0;padding:56px 24px 0;max-width:1280px;margin:0 auto}.separator-line{flex:1 1;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.35}.separator-content{display:flex;align-items:center;gap:16px;padding:0 32px;text-align:left}.separator-icon{font-size:36px;line-height:1;flex-shrink:0}.separator-title{font-size:26px;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;background:linear-gradient(135deg,#fff 0,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}.separator-sub{font-size:13px;color:var(--text-muted);font-family:var(--font-mono)}.workshops-section{padding:32px 24px 64px}.footer-dot{color:var(--text-muted)}@media (max-width:768px){.hero{padding:60px 16px 40px}.courses-grid,.loading-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}}