.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
    background-color: #fff;
}

.donaciones-main {
    min-height: 100%; 
    margin: 0;
    padding: 2rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; 
    margin-top: 120px; 
}

.section-title {
    text-align: center;
    color: #333;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.payment-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
    border-radius: 20px;
    background: #cfd9df;
    box-shadow: 20px 20px 60px #b0b8bd,
                -20px -20px 60px #eefaff;
}

.donation-container {
    margin-top: 2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    min-height: 800px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.donation-form-container {
    margin-top: 2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    min-height: 800px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 0;
    transition: all 0.3s ease;
}

/* Light theme specific styles */
.donation-form-container.light {
    background-color: #ffffff;
    color: #333333;
    border-color: #e0e0e0;
}

/* Make sure iframe inside container takes full width */
.donation-form-container iframe {
    width: 100%;
    height: 100%;
    min-height: 800px;
    border: none;
    display: block;
}

.form-container {
    display: none;
    width: 100%;
}

.form-container.active {
    display: block;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .donaciones-main {
        padding: 1rem;
        margin-top: 100px;
    }

    .payment-section {
        padding: 0.5rem;
        width: 100%;
        max-width: 100%;
        border-radius: 10px;
    }

    .payment-content {
        margin-top: 1rem;
        padding: 0.2rem;
        text-align: center;
        min-height: 400px; 
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .qr-container {
        padding: 1rem;
    }
    
    .donation-container,
    .donation-form-container {
        margin-top: 1rem;
        min-height: 600px;
        width: 100%;
        border-radius: 6px;
        padding: 0;
    }
    
    .donation-form-container iframe {
        min-height: 600px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .donaciones-main {
        padding: 0.5rem;
        margin-top: 80px;
    }
    
    .payment-section {
        padding: 0.3rem;
        box-shadow: 10px 10px 30px #b0b8bd,
                    -10px -10px 30px #eefaff;
    }
    
    .donation-container,
    .donation-form-container {
        border-width: 1px;
        min-height: 500px;
    }
    
    .donation-form-container iframe {
        min-height: 500px;
    }
    
    .donation-form-container.light {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .section-title {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
}