.buy-credits-container{max-width:1400px;margin:0 auto;padding:2rem 1rem}.buy-credits-card{background:white;border-radius:20px;padding:2.5rem;box-shadow:0 10px 40px rgba(0,0,0,.1)}.card-header{text-align:center;margin-bottom:3rem}.card-title{font-size:2.25rem;font-weight:700;color:#1f2937;margin-bottom:.5rem}.card-subtitle{font-size:1.125rem;color:#6b7280}.packages-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:1.25rem;gap:1.25rem;margin-bottom:2.5rem}.package-card{position:relative;padding:1.75rem 1.25rem;border:3px solid #e5e7eb;border-radius:16px;cursor:pointer;transition:all .3s ease;background:white;display:flex;flex-direction:column}.package-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(0,0,0,.12);border-color:#667eea}.package-card.selected{border-color:#667eea;background:linear-gradient(135deg,rgba(102,126,234,.08),rgba(118,75,162,.08));box-shadow:0 8px 25px rgba(102,126,234,.2)}.package-card.popular{border-color:#10b981}.package-card.popular.selected{border-color:#667eea}.package-card.best-deal{border-color:#8b5cf6;box-shadow:0 0 0 2px rgba(139,92,246,.2);animation:glow 2s ease-in-out infinite}.package-card.best-deal.selected{border-color:#667eea;animation:none}@keyframes glow{0%,to{box-shadow:0 0 0 2px rgba(139,92,246,.2),0 0 20px rgba(139,92,246,.1)}50%{box-shadow:0 0 0 2px rgba(139,92,246,.4),0 0 30px rgba(139,92,246,.2)}}.badge-container{position:absolute;top:-14px;left:50%;transform:translateX(-50%);z-index:1}.popular-badge{background:linear-gradient(135deg,#10b981,#059669)}.best-offer-badge,.popular-badge{color:white;padding:.4rem 1rem;border-radius:20px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}.best-offer-badge{background:linear-gradient(135deg,#8b5cf6,#7c3aed);box-shadow:0 4px 12px rgba(139,92,246,.4)}.discount-badge{position:absolute;top:1rem;right:1rem;background:#10b981;color:white;padding:.35rem .65rem;border-radius:8px;font-size:.7rem;font-weight:700}.package-label{font-size:.75rem;color:#9ca3af;text-align:center;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:1px;font-weight:600;min-height:18px}.package-credits{font-size:2.25rem;font-weight:800;color:#1f2937;margin-bottom:.25rem;text-align:center;line-height:1}.package-credits-label{font-size:.75rem;color:#6b7280;text-align:center;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.5px;font-weight:500}.estimated-tests{font-size:.7rem;color:#9ca3af;text-align:center;margin-bottom:1rem}.package-price{text-align:center;margin-top:auto}.original-price{font-size:.95rem;color:#ef4444;text-decoration:line-through;margin-bottom:.25rem;font-weight:600}.current-price{font-size:1.75rem;color:#667eea}.current-price,.price-single{font-weight:700;line-height:1}.price-single{font-size:1.65rem;color:#1f2937}.checkmark{position:absolute;top:1rem;left:1rem;width:26px;height:26px;border-radius:50%;background:#667eea;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0);transition:all .3s ease;box-shadow:0 4px 12px rgba(102,126,234,.4)}.package-card.selected .checkmark{opacity:1;transform:scale(1)}.checkmark svg{width:16px;height:16px;color:white}.purchase-section{text-align:center}.purchase-button{padding:1.25rem 3.5rem;font-size:1.125rem;font-weight:700;color:white;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;gap:.75rem;min-width:300px}.purchase-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 35px rgba(102,126,234,.4)}.purchase-button:disabled{opacity:.5;cursor:not-allowed}.button-icon{width:22px;height:22px}.info-box{background:#f3f4f6;border-radius:12px;padding:1rem;margin-top:2rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.info-icon{width:20px;height:20px;color:#667eea;flex-shrink:0}.info-text{font-size:.875rem;color:#6b7280;margin:0}.select-package-message{font-size:.95rem;color:#9ca3af;margin-top:1rem}@media (max-width:1280px){.packages-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.packages-grid{grid-template-columns:1fr;gap:1rem}.buy-credits-card{padding:1.5rem}.card-title{font-size:1.75rem}.package-credits{font-size:2rem}.purchase-button{width:100%;min-width:auto}.badge-container{top:-12px}.best-offer-badge,.popular-badge{font-size:.65rem;padding:.35rem .85rem}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}