/* Layout General */
.checkout-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
    max-width: 1400px;
    margin: 60px auto;
}

.checkout-header h1 {
    font-size: 2rem;
    margin-bottom: 32px;
    font-weight: 800;
    color: var(--black);
}

/* Tarjetas Blancas */
.checkout-form, .checkout-summary, .success-card, .payment-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Formulario */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { 
    margin-bottom: 24px;
}

.form-group label { 
    font-size: 0.9rem;
    margin-bottom: 8px;
    display: block;
    color: var(--black);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus { 
    border-color: var(--black);
    outline: none;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.btn-block { 
    width: 100%;
    margin-top: 16px;
    padding: 16px;
    font-size: 1rem;
}

/* Resumen Lateral */
.checkout-summary {
    height: fit-content;
    position: sticky;
    top: 100px;
}

.checkout-summary h2 { 
    font-size: 1.5rem;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 16px;
    font-weight: 800;
    color: var(--black);
}

.summary-item { 
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item img { 
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: var(--radius);
    background: #f5f5f5;
}

.summary-info {
    flex: 1;
}

.summary-info h4 { 
    font-size: 0.95rem;
    margin-bottom: 6px;
    font-weight: 700;
    color: var(--black);
}

.summary-info span { 
    font-size: 0.85rem;
    color: var(--text-gray);
    display: block;
}

.summary-price { 
    color: var(--black);
    font-weight: 700;
    margin-top: 8px;
    font-size: 1rem;
}

.summary-totals { 
    border-top: 2px solid var(--border);
    margin-top: 24px;
    padding-top: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    color: var(--text-gray);
}

.summary-row.total { 
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--black);
    margin-top: 16px;
}

/* Confirmación / Success */
.confirmation-container { 
    max-width: 900px;
    margin: 80px auto;
    text-align: center;
}

.success-card { 
    margin-bottom: 32px;
    padding: 60px 40px;
}

.success-icon {
    margin-bottom: 24px;
}

.success-icon svg { 
    width: 80px;
    height: 80px;
    stroke: var(--black);
    stroke-width: 2;
}

.success-card h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--black);
}

.success-card p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.order-badge {
    background: var(--black);
    color: var(--white);
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 0;
    display: inline-block;
    margin-top: 16px;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
}

/* Detalles Banco */
.payment-card { 
    text-align: left;
    margin: 40px auto 0 auto;
    max-width: 900px;
}

.payment-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--black);
}

.payment-intro { 
    margin-bottom: 24px;
    color: var(--text-gray);
    line-height: 1.8;
}

.bank-details { 
    background: var(--bg-light);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
}

.bank-details div {
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bank-details div:last-child {
    margin-bottom: 0;
}

.bank-details strong {
    font-weight: 700;
    color: var(--black);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.bank-details span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* WhatsApp & Acciones */
.payment-actions {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    align-items: center;
}

.payment-card a[href*="whatsapp"],
.payment-card a[href*="wa.me"] {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    background: var(--whatsapp);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

.payment-card a[href*="whatsapp"]:hover,
.payment-card a[href*="wa.me"]:hover {
    background: var(--whatsapp-dark);
}

.payment-note {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 16px;
}

.payment-card .btn-outline {
    padding: 12px 24px;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
}


/* Responsive */
@media (max-width: 1024px) {
    .checkout-container {
        gap: 24px;
        margin: 40px auto;
    }
    
    .checkout-summary {
        position: static;
    }
}

@media (max-width: 768px) {
    .checkout-container {
        grid-template-columns: 1fr;
        margin: 24px 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .checkout-form,
    .checkout-summary,
    .success-card,
    .payment-card {
        padding: 28px;
    }
    
    .checkout-header h1 {
        font-size: 1.75rem;
    }
    
    .confirmation-container {
        margin: 40px 16px;
    }
    
    .success-card {
        padding: 40px 24px;
    }
    
    .success-card h1 {
        font-size: 2rem;
    }
    
    .payment-card {
        margin: 32px 0 0 0;
    }
}

@media (max-width: 480px) {
    .checkout-form,
    .checkout-summary,
    .success-card,
    .payment-card {
        padding: 24px;
    }
    
    .order-badge {
        font-size: 1rem;
        padding: 10px 24px;
    }
    
    .bank-details {
        padding: 20px;
    }
    
    .bank-details div {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}