.checkout-layout{display:grid;grid-template-columns:400px 1fr;gap:40px;max-width:1100px;margin:0 auto;padding:40px 24px}@media(max-width:900px){.checkout-layout{grid-template-columns:1fr;gap:24px;padding:20px 16px}}.btn-back{display:inline-flex;align-items:center;gap:8px;background:none;border:none;color:var(--text-secondary);font-size:14px;cursor:pointer;padding:8px 0;margin-bottom:20px;transition:color .2s}.btn-back:hover{color:var(--primary)}.checkout-plan-card{background:var(--bg-secondary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:var(--shadow);transition:all .3s}.checkout-plan-card:hover{border-color:var(--primary);box-shadow:var(--shadow-lg)}.checkout-plan-card.starter{border-color:#3b82f64d}.checkout-plan-card.professional{border-color:#8b5cf666}.checkout-plan-card.enterprise{border-color:#f59e0b66}.checkout-plan-header{text-align:center;padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:24px}.checkout-plan-header h2,.checkout-plan-header h3{font-size:28px;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.checkout-plan-price{display:flex;align-items:baseline;justify-content:center;gap:4px;flex-wrap:wrap}.price-amount{font-size:42px;font-weight:700;background:linear-gradient(135deg,#6366f1,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.price-period{font-size:16px;color:var(--text-muted)}.price-equiv{width:100%;font-size:13px;color:var(--text-muted);margin-top:4px}.order-summary-section{margin-top:24px;padding-top:24px;border-top:1px solid var(--border)}.order-summary-section h4{font-size:16px;font-weight:600;margin-bottom:16px}.summary-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px}.summary-row.total{margin-top:16px;padding-top:16px;border-top:1px solid var(--border);font-size:18px;font-weight:700}.billing-note{margin-top:12px;font-size:12px;color:var(--text-muted);text-align:center}.checkout-guarantee{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;padding:12px;background:#22c55e1a;border-radius:8px;color:var(--success);font-size:13px}.checkout-step{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:32px}.checkout-form .form-group{margin-bottom:20px}.checkout-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.checkout-form h3{font-size:18px;font-weight:600;margin-bottom:20px;margin-top:32px}.checkout-form h3:first-of-type{margin-top:0}.billing-toggle{display:flex;gap:8px;margin-bottom:28px;background:var(--bg-primary);border:1px solid var(--border);border-radius:12px;padding:6px}.billing-option{flex:1;padding:12px 16px;border:none;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:600;border-radius:10px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:6px}.billing-option:hover{color:var(--text-primary);background:#94a3b80d}.billing-option.active{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;box-shadow:0 4px 6px -1px #6366f14d}.billing-badge{font-size:10px;font-weight:700;background:#ffffff40;padding:3px 8px;border-radius:6px}.billing-option:not(.active) .billing-badge{background:#22c55e26;color:#22c55e;border:1px solid rgba(34,197,94,.3)}.checkout-features{margin-bottom:28px}.checkout-features h4{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px}.checkout-features ul{list-style:none;padding:0;margin:0}.checkout-features li{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border);color:var(--text-secondary);font-size:14px}.checkout-features li:last-child{border-bottom:none}.checkout-features li svg{color:#22c55e;flex-shrink:0}.feature-icon{width:36px;height:36px;background:var(--bg-dark);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}.feature-text{font-size:14px;color:var(--text-secondary)}.feature-text strong{color:var(--text-primary)}.checkout-guarantee{display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 20px;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:12px;font-size:13px;font-weight:600;color:#22c55e}.checkout-guarantee svg{color:#22c55e}.checkout-payment-form{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:32px}.checkout-payment-form>h2{font-size:20px;font-weight:600;margin-bottom:24px}.checkout-section{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}.checkout-section:last-of-type{border-bottom:none}.checkout-section h3{font-size:16px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}.payment-methods{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px}@media(max-width:500px){.payment-methods{grid-template-columns:1fr}}.payment-method-option{position:relative;cursor:pointer}.payment-method-option input{position:absolute;opacity:0;pointer-events:none}.payment-method-content{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-dark);border:2px solid var(--border);border-radius:10px;transition:all .2s}.payment-method-option:hover .payment-method-content{border-color:var(--text-muted)}.payment-method-option.active .payment-method-content{border-color:var(--primary);background:#6366f11a}.payment-method-content svg{color:var(--text-secondary)}.payment-method-option.active .payment-method-content svg{color:var(--primary)}.payment-details{margin-top:16px}.order-summary{background:var(--bg-dark);border-radius:12px;padding:20px!important;margin-bottom:24px!important;border:none!important}.summary-row{display:flex;justify-content:space-between;padding:10px 0;font-size:14px;color:var(--text-secondary)}.summary-row.total{border-top:1px solid var(--border);margin-top:10px;padding-top:16px;font-size:16px;font-weight:600;color:var(--text-primary)}.summary-row.total span:last-child{color:var(--primary);font-size:20px}.billing-note{font-size:12px;color:var(--text-muted);margin-top:12px;text-align:center}.checkout-submit{text-align:center}.btn-lg{padding:16px 32px;font-size:16px;font-weight:600}.checkout-submit .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px}.secure-note{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;font-size:12px;color:var(--text-muted)}.spinner{width:18px;height:18px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.checkout-payment-form .form-group{margin-bottom:16px}.checkout-payment-form .form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.checkout-payment-form .form-control{width:100%;padding:12px 14px;background:var(--bg-dark);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;transition:all .2s}.checkout-payment-form .form-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f11a}.checkout-payment-form .form-control::placeholder{color:var(--text-muted)}.checkout-payment-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:500px){.checkout-payment-form .form-row{grid-template-columns:1fr}}#card-number,#iban{font-family:SF Mono,Monaco,Consolas,monospace;letter-spacing:1px}