<style>
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
        min-height: 100vh;
    }
    
    /* Timer Bar */
    .timer-bar {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        color: white;
        padding: 12px 20px;
        text-align: center;
        font-size: 14px;
        font-weight: 500;
        position: sticky;
        top: 0;
        z-index: 1000;
        backdrop-filter: blur(10px);
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .timer-bar .clock-icon {
        margin-right: 8px;
        animation: pulse 1.5s infinite;
    }
    
    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.6; }
    }
    
    #timer-display {
        background: rgba(255,255,255,0.2);
        padding: 4px 12px;
        border-radius: 20px;
        font-weight: 700;
        margin-left: 8px;
    }
    
    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 40px 20px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    /* Left Column */
    .left-column {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }
    
    .left-column > div {
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    
    .left-column > div:hover {
        transform: translateY(-2px);
    }
    
    /* Product Header */
    .product-header {
        text-align: center;
        background: white;
        padding: 30px;
        border-radius: 24px;
        box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
        position: relative;
        overflow: hidden;
    }
    
    .product-header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, #27ae60, #2ecc71, #27ae60);
    }
    
    .product-header img {
        max-width: 75%;
        height: auto;
        margin-bottom: 20px;
        transition: transform 0.3s ease;
    }
    
    .product-header img:hover {
        transform: scale(1.02);
    }
    
    .guarantee-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: linear-gradient(135deg, #e74c3c, #c0392b);
        color: white;
        padding: 8px 20px;
        border-radius: 40px;
        font-size: 12px;
        font-weight: bold;
        margin-bottom: 20px;
        box-shadow: 0 4px 10px rgba(231, 76, 60, 0.3);
    }
    
    .guarantee-badge::before {
        content: '✓';
        font-size: 14px;
        font-weight: bold;
    }
    
    .product-title {
        font-size: 28px;
        font-weight: 800;
        background: linear-gradient(135deg, #1e293b, #2c3e50);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 15px;
    }
    
    .product-subtitle {
        color: #27ae60;
        font-size: 16px;
        font-weight: 600;
        text-align: left;
        line-height: 1.6;
        background: #f0fdf4;
        padding: 12px;
        border-radius: 12px;
        border-left: 3px solid #27ae60;
    }
    
    /* Order Summary */
    .order-summary {
        background: white;
        padding: 25px;
        border-radius: 24px;
        box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
    }
    
    .order-title {
        color: #1e293b;
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 20px;
        padding-bottom: 12px;
        border-bottom: 2px solid #e2e8f0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .order-title::before {
        content: '🛒';
        font-size: 20px;
    }
    
    .order-item {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        padding: 15px 0;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .order-item:last-child {
        border-bottom: none;
    }
    
    .item-name {
        font-weight: 600;
        color: #1e293b;
        flex: 1;
    }
    
    .item-price {
        background: linear-gradient(135deg, #27ae60, #2ecc71);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        font-weight: 800;
        font-size: 20px;
    }
    
    .item-features {
        list-style: none;
        margin-top: 10px;
    }
    
    .item-features li {
        color: #475569;
        font-size: 13px;
        margin: 6px 0;
        position: relative;
        padding-left: 20px;
    }
    
    .item-features li:before {
        content: '✓';
        color: #27ae60;
        font-weight: bold;
        position: absolute;
        left: 0;
    }
    
    /* Testimonials */
    .testimonials {
        background: white;
        padding: 25px;
        border-radius: 24px;
        box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
    }
    
    .testimonials-title {
        color: #1e293b;
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .testimonials-title::before {
        content: '⭐';
        font-size: 20px;
    }
    
    .testimonial {
        margin-bottom: 20px;
        padding: 16px;
        background: #f8fafc;
        border-radius: 16px;
        border-left: 4px solid #27ae60;
        transition: transform 0.2s ease;
    }
    
    .testimonial:hover {
        transform: translateX(4px);
    }
    
    .testimonial-stars {
        color: #fbbf24;
        margin-bottom: 8px;
        font-size: 14px;
        letter-spacing: 2px;
    }
    
    .testimonial-text {
        font-style: italic;
        color: #1e293b;
        margin-bottom: 8px;
        line-height: 1.5;
        font-size: 14px;
    }
    
    .testimonial-author {
        font-weight: 600;
        color: #27ae60;
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    
    .testimonial-author::before {
        content: '👤';
        font-size: 12px;
    }
    
    /* Carrossel testemunhos */
    .testimonials-carousel-wrapper {
        position: relative;
        overflow: hidden;
        min-height: 260px;
    }
    
    .testimonials-carousel {
        position: relative;
    }
    
    .testimonial-set {
        position: absolute;
        width: 100%;
        opacity: 0;
        transform: translateX(100%);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .testimonial-set.active {
        opacity: 1;
        transform: translateX(0);
        position: relative;
    }
    
    .testimonial-set.exit {
        opacity: 0;
        transform: translateX(-100%);
    }
    
    .testimonial-dots {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    
    .testimonial-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #cbd5e0;
        transition: all 0.3s ease;
        cursor: pointer;
    }
    
    .testimonial-dot:hover {
        background: #a0aec0;
    }
    
    .testimonial-dot.active {
        background: #27ae60;
        width: 24px;
        border-radius: 5px;
    }
    
    /* Security Badge */
    .security-badge {
        background: linear-gradient(135deg, #3b82f6, #2563eb);
        color: white;
        padding: 18px;
        border-radius: 20px;
        text-align: center;
        margin-top: 20px;
        box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    }
    
    .security-badge h4 {
        margin-bottom: 8px;
        font-size: 14px;
        font-weight: 700;
    }
    
    .security-badge p {
        font-size: 11px;
        opacity: 0.9;
        margin: 0;
    }
    
    /* Checkout Form */
    .checkout-form {
        background: white;
        padding: 35px;
        border-radius: 28px;
        box-shadow: 0 25px 45px -12px rgba(0,0,0,0.15);
        position: sticky;
        top: 20px;
    }
    
    .checkout-title {
        color: #1e293b;
        font-size: 24px;
        font-weight: 800;
        margin-bottom: 30px;
        text-align: center;
        position: relative;
    }
    
    .checkout-title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background: linear-gradient(90deg, #27ae60, #2ecc71);
        border-radius: 3px;
    }
    
    /* Steps */
    .checkout-step {
        display: none;
        animation: fadeIn 0.3s ease;
    }
    
    .checkout-step.active {
        display: block;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Form Groups */
    .form-group {
        margin-bottom: 24px;
    }
    
    .form-group label {
        display: block;
        margin-bottom: 8px;
        color: #1e293b;
        font-weight: 600;
        font-size: 13px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .form-group input, 
    .form-group select, 
    .form-select {
        width: 100%;
        padding: 14px 16px;
        border: 2px solid #e2e8f0;
        border-radius: 16px;
        font-size: 14px;
        transition: all 0.2s ease;
        background: #fefefe;
    }
    
    .form-group input:focus, 
    .form-group select:focus, 
    .form-select:focus {
        outline: none;
        border-color: #27ae60;
        box-shadow: 0 0 0 4px rgba(39, 174, 96, 0.1);
        background: white;
    }
    
    .form-group input:hover:not(:focus),
    .form-group select:hover:not(:focus) {
        border-color: #cbd5e1;
    }
    
    /* Grid Layouts */
    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-bottom: 4px;
    }
    
    .form-row-3 {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 20px;
        margin-bottom: 4px;
    }
    
    /* Address Fields */
    .address-fields {
        display: none;
        margin-top: 20px;
        padding-top: 8px;
        border-top: 1px solid #e2e8f0;
    }
    
    .address-display {
        background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
        border: 1px solid #27ae60;
        border-radius: 16px;
        padding: 14px;
        margin-top: 12px;
        font-size: 14px;
        color: #1e293b;
        margin-bottom: 16px;
    }
    
    .loading-address {
        display: none;
        color: #27ae60;
        font-size: 12px;
        margin-top: 8px;
        padding: 8px;
        background: #f0fdf4;
        border-radius: 12px;
    }
    
    /* Buttons */
    .btn-continuar {
        margin-top: 32px;
        width: 100%;
        height: 56px;
        border-radius: 40px;
        background: linear-gradient(135deg, #27ae60 0%, #22c55e 100%);
        color: white;
        font-weight: 700;
        font-size: 16px;
        border: none;
        cursor: pointer;
        transition: all 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    
    .btn-continuar:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        transform: none;
    }
    
    .btn-continuar:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(34, 197, 94, 0.4);
    }
    
    .d-flex.justify-content-between {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        margin-top: 32px;
    }
    
    .btn-voltar, .btn-payment {
        flex: 1;
        height: 56px;
        border-radius: 40px;
        font-weight: 700;
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        transition: all 0.2s ease;
        border: none;
        cursor: pointer;
    }
    
    .btn-voltar {
        background: #f1f5f9;
        color: #475569;
    }
    
    .btn-voltar:hover {
        background: #e2e8f0;
        transform: translateY(-2px);
    }
    
    .btn-payment {
        background: linear-gradient(135deg, #27ae60 0%, #22c55e 100%);
        color: white;
    }
    
    .btn-payment:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(34, 197, 94, 0.4);
    }
    
    .btn-payment:disabled, .btn-voltar:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        transform: none;
    }
    
    /* Payment Methods */
    .payment-methods {
        margin: 0 0 24px 0;
    }
    
    .payment-methods h3 {
        color: #1e293b;
        margin-bottom: 16px;
        font-size: 18px;
        font-weight: 700;
    }
    
    .payment-tabs {
        display: flex;
        gap: 12px;
        margin-bottom: 28px;
        background: #f1f5f9;
        padding: 6px;
        border-radius: 60px;
    }
    
    .payment-tab {
        flex: 1;
        padding: 12px 20px;
        text-align: center;
        background: transparent;
        border: none;
        cursor: pointer;
        font-weight: 700;
        font-size: 14px;
        color: #64748b;
        transition: all 0.2s ease;
        border-radius: 40px;
    }
    
    .payment-tab.active {
        background: white;
        color: #27ae60;
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }
    
    .payment-tab i {
        margin-right: 8px;
    }
    
    .payment-tab:not(.active):hover {
        color: #27ae60;
        background: rgba(255,255,255,0.5);
    }
    
    .tab-content {
        display: none;
        padding: 8px 0 20px 0;
    }
    
    .tab-content.active {
        display: block;
    }
    
    .pix-info, .boleto-info, .cartao-info {
        text-align: center;
        padding: 24px;
        background: #f8fafc;
        border-radius: 20px;
        margin-bottom: 8px;
    }
    
    .pix-info h4, .boleto-info h4, .cartao-info h4 {
        color: #1e293b;
        margin-bottom: 12px;
        font-weight: 700;
    }
    
    .pix-info p, .boleto-info p, .cartao-info p {
        color: #475569;
        font-size: 14px;
    }
    
    /* Bonus Section */
    .bonus-section {
        margin: 28px 0 24px 0;
        padding: 20px;
        background: linear-gradient(135deg, #ff6b35 0%, #f97316 100%);
        border-radius: 20px;
        color: white;
        position: relative;
        overflow: hidden;
    }
    
    .bonus-section::before {
        content: '🎁';
        position: absolute;
        right: -10px;
        top: -10px;
        font-size: 60px;
        opacity: 0.1;
    }
    
    .bonus-title {
        font-size: 16px;
        font-weight: 800;
        margin-bottom: 6px;
    }
    
    .bonus-subtitle {
        font-size: 12px;
        opacity: 0.95;
        margin-bottom: 10px;
    }
    
    .bonus-description {
        font-size: 13px;
        line-height: 1.5;
        opacity: 0.9;
    }
    
    /* Order Bump */
    .order-bump-wrapper {
        margin: 24px 0 20px;
    }
    
    .order-bump-badge {
        background: linear-gradient(135deg, #dc2626, #ef4444);
        color: #fff;
        font-size: 11px;
        font-weight: 800;
        letter-spacing: .06em;
        text-align: center;
        padding: 8px 16px;
        border-radius: 12px 12px 0 0;
        display: inline-block;
    }
    
    .order-bump-card {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        border: 2px solid #fee2e2;
        border-radius: 0 0 20px 20px;
        padding: 20px;
        background: #fffaf5;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .order-bump-card.bump-selecionado {
        background: #fef9e8;
        border-color: #f97316;
        border-style: solid;
    }
    
    .bump-check-col {
        flex-shrink: 0;
        padding-top: 3px;
        position: relative;
    }
    
    .bump-check-col input[type="checkbox"] {
        position: absolute;
        opacity: 0;
        width: 0;
        height: 0;
    }
    
    .bump-custom-check {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        border: 2px solid #ccc;
        border-radius: 8px;
        background: #fff;
        transition: all .2s;
        flex-shrink: 0;
    }
    
    .bump-custom-check.checked {
        background: #e74c3c;
        border-color: #e74c3c;
    }
    
    .bump-custom-check.checked::after {
        content: '';
        display: block;
        width: 6px;
        height: 11px;
        border: 2px solid #fff;
        border-top: none;
        border-left: none;
        transform: rotate(45deg) translateY(-1px);
    }
    
    .bump-img-col {
        flex-shrink: 0;
    }
    
    .bump-img {
        width: 80px;
        height: 80px;
        object-fit: cover;
        border-radius: 16px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .bump-info-col {
        flex: 1;
        min-width: 0;
    }
    
    .bump-titulo {
        font-size: 12px;
        font-weight: 800;
        color: #f97316;
        text-transform: uppercase;
        letter-spacing: .05em;
        margin-bottom: 4px;
    }
    
    .bump-nome {
        font-size: 16px;
        font-weight: 800;
        color: #1e293b;
        margin-bottom: 6px;
    }
    
    .bump-descricao {
        font-size: 12px;
        color: #555;
        line-height: 1.5;
        margin-bottom: 10px;
    }
    
    .bump-price-row {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .bump-sim {
        font-size: 12px;
        font-weight: 600;
        color: #27ae60;
    }
    
    .bump-valor {
        font-size: 20px;
        font-weight: 800;
        color: #22c55e;
    }
    
    /* Validation Messages */
    .validation-message {
        font-size: 11px;
        margin-top: 6px;
        padding-left: 4px;
    }
    
    .text-danger {
        color: #dc2626;
    }
    
    .text-success {
        color: #10b981;
    }
    
    /* Alerts */
    .alert {
        padding: 14px 16px;
        border-radius: 16px;
        margin: 20px 0 0 0;
    }
    
    .alert-danger {
        background: #fef2f2;
        border: 1px solid #fecaca;
        color: #dc2626;
    }
    
    .alert-success {
        background: #f0fdf4;
        border: 1px solid #bbf7d0;
        color: #16a34a;
    }
    
    .d-none {
        display: none !important;
    }
    
    .d-flex {
        display: flex;
    }
    
    .justify-content-between {
        justify-content: space-between;
    }
    
    .mt-4 {
        margin-top: 1.5rem;
    }
    
    /* Modal */
    .modal-pix .modal-content, 
    .modal-boleto .modal-content {
        border-radius: 28px;
        border: none;
        overflow: hidden;
    }
    
    .modal-header {
        background: linear-gradient(135deg, #27ae60, #22c55e);
        color: white;
        padding: 20px 24px;
        border: none;
    }
    
    .modal-title {
        font-weight: 700;
    }
    
    .btn-close {
        filter: brightness(0) invert(1);
    }
    
    .qr-code-section {
        text-align: center;
        padding: 24px;
    }
    
    .modal-pix-image {
        max-width: 280px;
        height: auto;
        border-radius: 20px;
        padding: 12px;
        background: white;
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    }
    
    .countdown-section {
        background: linear-gradient(135deg, #fef9e8, #fff4e6);
        padding: 16px;
        border-radius: 20px;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .countdown-timer {
        font-size: 32px;
        font-weight: 800;
        color: #27ae60;
        font-family: monospace;
        margin: 8px 0;
    }
    
    .progress {
        height: 8px;
        border-radius: 10px;
        overflow: hidden;
        background: #e9ecef;
    }
    
    .progress-bar {
        transition: width 1s linear;
    }
    
    .amount-display {
        background: #f8f9fa;
        padding: 16px;
        border-radius: 16px;
        margin: 20px 0;
        text-align: center;
    }
    
    .price-label {
        color: #6c757d;
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    
    .amount-value {
        font-size: 28px;
        font-weight: 800;
        color: #27ae60;
    }
    
    .pix-code-container {
        background: #f8f9fa;
        border: 2px dashed #27ae60;
        border-radius: 16px;
        padding: 16px;
        position: relative;
        margin: 16px 0;
    }
    
    .pix-code {
        font-family: monospace;
        font-size: 12px;
        word-break: break-all;
        padding: 12px;
        background: white;
        border-radius: 12px;
        margin-top: 8px;
    }
    
    .copy-button {
        position: absolute;
        top: 12px;
        right: 12px;
        background: #27ae60;
        color: white;
        border: none;
        border-radius: 40px;
        padding: 6px 12px;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .copy-button:hover {
        background: #219a52;
        transform: translateY(-1px);
    }
    
    .info-alert {
        background: #e8f4fd;
        border-left: 4px solid #3b82f6;
        padding: 16px;
        border-radius: 12px;
        margin-top: 16px;
    }
    
    .info-alert ol {
        margin-bottom: 0;
        padding-left: 1.5rem;
    }
    
    .loading-spinner {
        display: inline-block;
        width: 18px;
        height: 18px;
        border: 2px solid currentColor;
        border-right-color: transparent;
        border-radius: 50%;
        animation: spin 0.6s linear infinite;
    }
    
    @keyframes spin {
        to { transform: rotate(360deg); }
    }
    
    /* Responsive */
    @media (max-width: 768px) {
        .container {
            grid-template-columns: 1fr;
            gap: 24px;
            padding: 20px 16px;
        }
        
        .checkout-form {
            position: static;
            padding: 24px;
        }
        
        .form-row, 
        .form-row-3 {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        
        .payment-tabs {
            flex-wrap: wrap;
            border-radius: 40px;
        }
        
        .payment-tab {
            padding: 10px 16px;
            font-size: 13px;
        }
        
        .d-flex.justify-content-between {
            flex-direction: column;
            gap: 12px;
        }
        
        .btn-voltar, .btn-payment {
            width: 100%;
        }
        
        .order-bump-card {
            flex-wrap: wrap;
        }
        
        .bump-img {
            width: 56px;
            height: 56px;
        }
        
        .product-title {
            font-size: 24px;
        }
    }
</style>