@keyframes rotate{0%{transform:rotate(0deg)}to{transform:rotate(360deg)}}.knowledge-hub{padding:8rem 2rem;background:linear-gradient(135deg,#f8fafc 0,#e2e8f0 30%,#f1f5f9 70%,#e2e8f0 100%);position:relative;overflow:hidden}.knowledge-hub::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 25% 25%,rgba(59,130,246,.05)0,transparent 50%),radial-gradient(circle at 75% 75%,rgba(99,102,241,.05)0,transparent 50%),linear-gradient(45deg,transparent 48%,rgba(148,163,184,.02) 50%,transparent 52%);pointer-events:none}.knowledge-container{max-width:1400px;margin:0 auto;position:relative;z-index:2}.hub-header{text-align:center;margin-bottom:5rem}.hub-badge{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;padding:.8rem 1.5rem;border-radius:50px;font-weight:600;font-size:.9rem;margin-bottom:2rem;box-shadow:0 4px 20px rgba(59,130,246,.3)}.hub-header h2{font-size:4rem;font-weight:900;background:linear-gradient(135deg,#1e40af 0,#3730a3 30%,#6366f1 70%,#8b5cf6 100%);margin-bottom:1.5rem;letter-spacing:-.02em;line-height:1.1}.hub-header p{font-size:1.4rem;color:#475569;max-width:800px;margin:0 auto 3rem;line-height:1.6}.search-bar{max-width:700px;margin:0 auto}.search-input-container{position:relative;display:flex;align-items:center;background:#fff;border-radius:60px;padding:1rem 1.5rem;box-shadow:0 10px 40px rgba(0,0,0,.1),0 4px 20px rgba(0,0,0,.05),inset 0 1px 0 rgba(255,255,255,.9);border:1px solid rgba(226,232,240,.8);margin-bottom:1.5rem}.search-icon{color:#94a3b8;margin-right:1rem}.search-input{flex:1;border:0;outline:0;font-size:1.1rem;color:#1e293b;background:0 0}.search-input::placeholder{color:#94a3b8}.search-btn{background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;border:0;padding:.8rem 2rem;border-radius:40px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px rgba(59,130,246,.3)}.search-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.4)}.popular-searches{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}.popular-tag,.search-label{color:#64748b;font-weight:500;font-size:.9rem}.popular-tag{background:rgba(59,130,246,.1);color:#3b82f6;border:1px solid rgba(59,130,246,.2);padding:.5rem 1rem;border-radius:25px;font-size:.85rem;cursor:pointer;transition:all .3s ease}.popular-tag:hover{background:#3b82f6;color:#fff;transform:translateY(-1px)}.knowledge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-bottom:6rem}.knowledge-card{background:linear-gradient(145deg,#fff,#f8fafc);border-radius:20px;padding:2.5rem;box-shadow:0 10px 40px rgba(0,0,0,.08),0 4px 20px rgba(0,0,0,.04);border:1px solid rgba(226,232,240,.6);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.knowledge-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#3b82f6,#6366f1,#8b5cf6);transform:scaleX(0);transition:transform .3s ease;transform-origin:left}.knowledge-card:hover::before{transform:scaleX(1)}.knowledge-card:hover{transform:translateY(-8px);box-shadow:0 20px 60px rgba(0,0,0,.12),0 8px 30px rgba(59,130,246,.1)}.knowledge-card.featured{background:linear-gradient(135deg,#1e40af 0,#3730a3 100%);color:#fff;transform:scale(1.02)}.knowledge-card.featured::before{background:linear-gradient(90deg,#fbbf24,#f59e0b,#d97706)}.card-header,.card-icon{display:flex;align-items:center}.card-header{gap:1rem;margin-bottom:1.5rem}.card-icon{width:50px;height:50px;background:rgba(59,130,246,.1);border-radius:12px;justify-content:center;color:#3b82f6}.knowledge-card.featured .card-icon,.knowledge-card.featured .stat{background:rgba(255,255,255,.2);color:#fff}.card-header h3{font-size:1.4rem;font-weight:700;margin:0;color:#1e293b}.knowledge-card.featured .card-header h3{color:#fff}.knowledge-card p{color:#64748b;line-height:1.6;margin-bottom:2rem;font-size:1.05rem}.knowledge-card.featured p{color:rgba(255,255,255,.9)}.card-stats{display:flex;gap:1rem;margin-bottom:2rem}.stat{background:rgba(59,130,246,.1);color:#3b82f6;padding:.5rem 1rem;border-radius:20px;font-size:.85rem;font-weight:500}.card-action{background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;border:0;padding:1rem 2rem;border-radius:50px;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;font-size:1rem}.knowledge-card.featured .card-action{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#1e293b}.card-action:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(59,130,246,.3)}.quick-answers{margin-bottom:5rem}.quick-answers h3{text-align:center;font-size:2.5rem;font-weight:700;color:#1e293b;margin-bottom:3rem}.qa-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.qa-item{background:#fff;border-radius:15px;padding:2rem;box-shadow:0 4px 20px rgba(0,0,0,.05);border:1px solid rgba(226,232,240,.5);transition:all .3s ease}.qa-item:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.1)}.qa-question{font-weight:600;color:#1e293b;margin-bottom:.5rem;font-size:1.05rem}.qa-answer{color:#64748b;font-size:.95rem;line-height:1.5}.hub-footer{background:linear-gradient(135deg,#1e40af 0,#3730a3 50%,#6366f1 100%);border-radius:24px;padding:4rem;text-align:center;color:#fff;position:relative;overflow:hidden}.hub-footer::before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1)0,transparent 70%);animation:rotate 30s linear infinite;pointer-events:none}.support-center{display:flex;align-items:center;justify-content:space-between;gap:3rem;position:relative;z-index:2;max-width:1000px;margin:0 auto}.support-content h3{font-size:2rem;font-weight:700;margin-bottom:1rem;text-align:left;color:#fff}.support-content p{font-size:1.1rem;opacity:.9;line-height:1.6;text-align:left;max-width:500px}.support-actions{display:flex;gap:1rem;flex-shrink:0}.support-actions .btn{display:flex;align-items:center;gap:.5rem;padding:1rem 2rem;border-radius:50px;font-weight:600;text-decoration:none;transition:all .3s ease;white-space:nowrap}.btn-outline{background:0 0;color:#fff;border:2px solid rgba(255,255,255,.3)}.btn-outline:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#1e293b;border:0}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(251,191,36,.4)}@media (max-width:768px){.knowledge-hub{padding:4rem 1rem}.hub-header h2{font-size:2.5rem}.knowledge-grid{grid-template-columns:1fr;gap:1.5rem}.support-center{flex-direction:column}.support-center,.support-content h3,.support-content p{text-align:center}}.hub-header h2{-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;overflow:hidden}@media (max-width:768px){.knowledge-hub{padding:4rem 1rem}.hub-header{margin-bottom:3rem}.hub-badge{padding:.625rem 1.25rem;font-size:.8rem;margin-bottom:1.5rem}.hub-header h2{font-size:2.5rem;margin-bottom:1rem;line-height:1.2}.hub-header p{font-size:1.1rem;margin-bottom:2rem;padding:0 1rem}.search-bar{max-width:100%;margin-bottom:2rem}.search-input-container{flex-direction:column;gap:1rem;padding:1.25rem;border-radius:20px}.search-icon{margin-right:0;margin-bottom:.5rem;align-self:flex-start}.search-input{font-size:1rem;text-align:center}.search-btn{width:100%;padding:.875rem 1.5rem;font-size:1rem;border-radius:12px}.popular-searches{flex-direction:column;gap:.75rem;text-align:center;margin-top:1rem}.search-label{font-size:.85rem;margin-bottom:.5rem}.popular-tag{padding:.5rem 1rem;font-size:.8rem;margin:0 .25rem .5rem 0}.knowledge-grid{grid-template-columns:1fr;gap:1.5rem}.knowledge-card{padding:1.5rem;border-radius:16px}.knowledge-card.featured{padding:2rem 1.5rem}.card-header,.card-icon,.knowledge-card p{margin-bottom:1rem}.card-icon{width:50px;height:50px}.card-icon svg{width:24px;height:24px}.knowledge-card h3{font-size:1.25rem;margin-bottom:.75rem}.knowledge-card p{font-size:.9rem}.card-stats{margin-bottom:1rem;gap:.5rem}.stat{padding:.375rem .75rem;font-size:.75rem}.card-action{width:100%;padding:.75rem 1.25rem;font-size:.9rem}.quick-answers{margin-top:3rem}.quick-answers h3,.support-center p{font-size:1.5rem;margin-bottom:1.5rem;text-align:center}.qa-grid{grid-template-columns:1fr;gap:1rem}.qa-item{padding:1.25rem;border-radius:12px}.qa-question{font-size:1rem;margin-bottom:.75rem}.qa-answer{font-size:.85rem}.hub-footer{margin-top:3rem;padding:2rem 1rem;border-radius:16px}.support-center h3{font-size:1.25rem;margin-bottom:1rem;text-align:center}.support-center p{font-size:.9rem}.support-actions{flex-direction:column;gap:.75rem;align-items:stretch}.support-btn{width:100%;padding:.875rem 1.5rem;font-size:.9rem;justify-content:center}}@media (max-width:480px){.knowledge-hub{padding:3rem .75rem}.hub-header h2{font-size:2rem;line-height:1.3}.hub-header p{font-size:1rem;padding:0}.search-input-container{padding:1rem;border-radius:16px}.search-btn,.search-input{font-size:.9rem}.search-btn{padding:.75rem 1.25rem}.popular-tag{padding:.375rem .75rem;font-size:.75rem}.knowledge-card,.knowledge-card.featured{padding:1.25rem;border-radius:12px}.card-icon{width:45px;height:45px;margin-bottom:.75rem}.card-icon svg{width:22px;height:22px}.knowledge-card h3{font-size:1.125rem}.knowledge-card p{font-size:.85rem}.quick-answers h3{font-size:1.25rem}.qa-item{padding:1rem;border-radius:10px}.qa-question{font-size:.95rem}.qa-answer{font-size:.8rem}}