.checkout-nav{position:sticky;top:0;z-index:1000;border-radius:0;border-top:none;padding:0}.checkout-nav-inner{display:flex;justify-content:space-between;align-items:center;max-width:1300px;margin:0 auto;padding:20px 30px}.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}.logo-icon{position:relative;display:inline-block;padding:8px}.logo-icon i{font-size:1.8rem;color:var(--secondary-color)}.horizon-line{position:absolute;bottom:35%;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent-color),var(--secondary-color))}.logo span{font-size:1.4rem;font-weight:700}.secure-badge{display:flex;align-items:center;gap:8px;color:var(--success-color);font-size:.9rem;font-weight:600;background:#10b9811a;border:1px solid rgba(16,185,129,.2);padding:8px 18px;border-radius:50px}.nav-back-link{color:var(--text-muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:var(--transition-smooth);display:flex;align-items:center;gap:8px}.nav-back-link:hover{color:#fff}.checkout-progress{background:var(--glass-bg);border-bottom:1px solid var(--glass-border);padding:25px 0}.progress-container{display:flex;align-items:center;justify-content:center;gap:0;max-width:600px;margin:0 auto}.progress-step{display:flex;flex-direction:column;align-items:center;gap:8px}.step-circle{width:44px;height:44px;border-radius:50%;background:#ffffff0d;border:2px solid var(--glass-border);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:var(--text-muted);transition:var(--transition-smooth)}.step-label{font-size:.8rem;font-weight:600;color:var(--text-muted);transition:var(--transition-smooth);white-space:nowrap}.progress-step.active .step-circle{background:var(--secondary-color);border-color:var(--secondary-color);color:#fff;box-shadow:0 0 20px #3b82f666}.progress-step.active .step-label{color:#fff}.progress-step.completed .step-circle{background:var(--success-color);border-color:var(--success-color);color:#fff}.progress-step.completed .step-circle:before{content:"✓"}.progress-line{width:80px;height:2px;background:var(--glass-border);margin-bottom:24px}.checkout-wrapper{display:grid;grid-template-columns:1fr 420px;gap:50px;max-width:1200px;margin:60px auto;padding:0 30px;align-items:start}.checkout-step{animation:fadeInUp .4s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.step-header{display:flex;align-items:center;gap:20px;margin-bottom:40px}.step-number{font-size:3.5rem;font-weight:800;color:var(--glass-border);line-height:1}.step-title{font-size:1.8rem;font-weight:700;color:#fff;margin-bottom:5px}.step-subtitle{color:var(--text-muted);font-size:1rem}.checkout-form{display:flex;flex-direction:column;gap:22px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:.9rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.form-control{background:#ffffff0a;border:1px solid var(--glass-border);color:#fff;padding:16px 20px;border-radius:16px;font-size:1rem;font-family:Outfit,sans-serif;transition:var(--transition-smooth);outline:none}.form-control:focus{border-color:var(--secondary-color);background:#3b82f60d;box-shadow:0 0 0 4px #3b82f61a}.form-control::placeholder{color:#94a3b866}textarea.form-control{resize:vertical;min-height:100px}.custom-checkbox{display:flex;align-items:center;gap:12px;color:var(--text-muted);cursor:pointer;font-size:.95rem}.payment-tabs{display:flex;gap:12px;margin-bottom:30px}.payment-tab{flex:1;background:#ffffff08;border:1px solid var(--glass-border);color:var(--text-muted);padding:14px;border-radius:16px;font-weight:600;font-family:Outfit,sans-serif;cursor:pointer;transition:var(--transition-smooth);display:flex;align-items:center;justify-content:center;gap:8px}.payment-tab:hover{border-color:var(--secondary-color);color:#fff}.payment-tab.active{background:#3b82f61a;border-color:var(--secondary-color);color:#fff}.card-preview{background:linear-gradient(135deg,#1e3a5f,#0f2744);border-radius:24px;padding:35px;margin-bottom:30px;color:#fff;min-height:200px;display:flex;flex-direction:column;justify-content:space-between}.card-chip{color:#fbbf24;font-size:1.8rem;margin-bottom:20px}.card-number{font-size:1.5rem;letter-spacing:4px;font-weight:300;margin-bottom:25px}.card-footer-row{display:flex;align-items:flex-end;justify-content:space-between}.card-label{font-size:.7rem;color:#ffffff80;text-transform:uppercase;letter-spacing:1px}.card-value{font-size:1rem;font-weight:600}.input-icon-wrap{position:relative}.input-icon{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--text-muted)}.paypal-info,.affirm-info{padding:50px;border-radius:24px;text-align:center;margin-bottom:30px}.paypal-info h3,.affirm-info h3{font-size:1.5rem;color:#fff}.form-nav{display:flex;align-items:center;gap:20px;margin-top:30px}.btn-next{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;font-size:1rem;font-family:Outfit,sans-serif;border:none;cursor:pointer;padding:18px 30px;border-radius:16px}.btn-back{background:#ffffff0d;border:1px solid var(--glass-border);color:var(--text-muted);padding:18px 24px;border-radius:16px;cursor:pointer;font-family:Outfit,sans-serif;font-weight:600;transition:var(--transition-smooth);display:flex;align-items:center;gap:8px}.btn-back:hover{color:#fff;border-color:#fff}.review-card{padding:30px;border-radius:24px;margin-bottom:25px}.security-badges{display:flex;gap:15px;margin-bottom:30px;flex-wrap:wrap}.security-badge{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted);background:#ffffff08;border:1px solid var(--glass-border);padding:8px 16px;border-radius:50px}.security-badge i{color:var(--success-color)}.place-order-btn:disabled{opacity:.7;cursor:not-allowed}.order-summary-panel{padding:35px;border-radius:28px;position:sticky;top:120px}.summary-title{font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:25px}.order-item-placeholder{margin-bottom:20px}.summary-divider{height:1px;background:var(--glass-border);margin:20px 0}.summary-rows{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.summary-row{display:flex;justify-content:space-between;color:var(--text-muted);font-size:.95rem}.summary-total{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border);margin-bottom:25px;font-size:1.5rem;font-weight:700;color:#fff}.trust-items{display:flex;flex-direction:column;gap:12px;margin-top:20px}.trust-item{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:.9rem}.trust-item i{color:var(--success-color);width:18px}@media (max-width: 1024px){.checkout-wrapper{grid-template-columns:1fr}.order-summary-panel{position:static;order:-1}.form-row{grid-template-columns:1fr}}