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var(--transition-fast);background:#11182780;padding:8px 20px;font-size:.82rem;font-weight:500}.filter-btn:hover{color:var(--text-primary);border-color:var(--accent-blue);background:#3b82f60d}.filter-btn.active{color:#fff;background:linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));border-color:var(--accent-blue);box-shadow:0 4px 16px var(--accent-blue-glow)}.videos-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px;display:grid}.video-card{border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);background:var(--glass-bg);border:1px solid var(--glass-border);overflow:hidden}.video-card:hover{border-color:var(--border-glow);box-shadow:var(--shadow-glow);transform:translateY(-6px)}.video-thumbnail{aspect-ratio:16/9;background:var(--bg-secondary);position:relative;overflow:hidden}.video-thumbnail img{object-fit:cover;width:100%;height:100%;transition:transform var(--transition-slow)}.video-card:hover .video-thumbnail img{transform:scale(1.05)}.video-play-btn{opacity:0;width:56px;height:56px;transition:all var(--transition-base);background:#ef4444e6;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 20px #ef444466}.video-card:hover .video-play-btn{opacity:1}.video-play-btn svg{fill:#fff;width:22px;height:22px;margin-left:3px}.video-category-badge{border-radius:var(--radius-full);font-family:var(--font-code);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--accent-blue-light);background:#0a0e1acc;border:1px solid #3b82f633;padding:4px 10px;font-size:.68rem;font-weight:600;position:absolute;top:12px;left:12px}.video-info{padding:16px 20px}.video-title{font-family:var(--font-heading);color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px;font-size:.92rem;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.video-meta{color:var(--text-muted);align-items:center;gap:12px;font-size:.78rem;display:flex}.video-meta span{align-items:center;gap:4px;display:flex}.videos-cta{text-align:center}.videos-cta-sub{color:var(--text-muted);margin-top:12px;font-size:.9rem;font-style:italic}.video-thumb-placeholder{background:linear-gradient(135deg, var(--bg-secondary) 0%, #1e293bcc 100%);flex-direction:column;justify-content:center;align-items:center;gap:8px;width:100%;height:100%;padding:16px;display:flex}.thumb-icon{font-size:2rem}.thumb-title{font-family:var(--font-heading);color:var(--text-muted);text-align:center;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.75rem;line-height:1.3;display:-webkit-box;overflow:hidden}.video-card.hidden{display:none}.video-card.fade-in{animation:.5s both fadeInUp}@media (width<=1024px){.videos-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.videos-grid{grid-template-columns:1fr}.videos-filter{gap:6px}.filter-btn{padding:6px 14px;font-size:.78rem}}.youtube-loading{color:var(--text-muted);flex-direction:column;grid-column:1/-1;justify-content:center;align-items:center;padding:4rem 0;display:flex}.yt-spinner{border:3px solid #ffffff1a;border-top-color:var(--accent-blue);border-radius:50%;width:40px;height:40px;margin-bottom:1rem;animation:.8s linear infinite yt-spin}@keyframes yt-spin{to{transform:rotate(360deg)}}.contact-section{padding:var(--section-gap) 0;position:relative}.contact-section:before{content:"";pointer-events:none;background:radial-gradient(circle,#3b82f60a 0%,#0000 70%);width:500px;height:500px;position:absolute;bottom:10%;left:-10%}.contact-grid{grid-template-columns:1fr 1fr;align-items:start;gap:48px;display:grid}.contact-form{padding:36px}.form-group{margin-bottom:24px}.form-label{font-family:var(--font-heading);color:var(--text-secondary);margin-bottom:8px;font-size:.85rem;font-weight:600;display:block}.form-input{border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-size:.95rem;font-family:var(--font-body);transition:all var(--transition-fast);background:#0a0e1a99;outline:none;padding:14px 18px}.form-input::placeholder{color:var(--text-muted)}.form-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-glow)}.form-input.error{border-color:var(--accent-red);box-shadow:0 0 0 3px #ef444426}.form-textarea{resize:vertical;min-height:120px}.form-error{color:var(--accent-red);min-height:18px;margin-top:6px;font-size:.78rem;display:block}.form-success{border-radius:var(--radius-md);background:#10b9811a;border:1px solid #10b98133;align-items:center;gap:12px;margin-top:16px;padding:16px;animation:.5s fadeInUp;display:flex}.success-icon{background:var(--accent-green);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.85rem;font-weight:700;display:flex}.form-success p{color:var(--accent-green);font-size:.9rem}.contact-links{flex-direction:column;gap:16px;display:flex}.contact-link-card{transition:all var(--transition-base);cursor:pointer;align-items:center;gap:16px;padding:20px 24px;text-decoration:none;display:flex}.contact-link-card:hover{transform:translate(8px)}.link-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.link-icon svg{width:24px;height:24px}.link-icon.linkedin{color:#0a66c2;background:#0a66c226}.link-icon.github{color:#f1f5f9;background:#ffffff14}.link-icon.youtube{color:red;background:#ff00001f}.link-icon.email{color:var(--accent-blue-light);background:#3b82f61f}.link-info{flex-direction:column;flex:1;gap:2px;display:flex}.link-platform{font-family:var(--font-heading);color:var(--text-primary);font-size:.95rem;font-weight:600}.link-handle{color:var(--text-muted);font-size:.82rem}.link-arrow{color:var(--text-muted);transition:all var(--transition-fast);font-size:1.2rem}.contact-link-card:hover .link-arrow{color:var(--accent-blue-light);transform:translate(4px)}@media (width<=768px){.contact-grid{grid-template-columns:1fr;gap:32px}.contact-form{padding:24px}}