:root {
    --primary-color: #004d99;
    /* Blue for professionalism */
    --secondary-color: #6c757d;
    /* Secondary gray color */
    --background-color: #f8f9fa;
    /* Light background color */
    --text-color: #333;
    /* Dark gray text */
    --accent-color: #ffc107;
    /* Yellow accent for calls to action */
    --white: #fff;
    --title-bg-color: #004d99;
    /* Title background color */
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header {
    background-color: var(--primary-color);
    padding: 60px 0;
    color: var(--white);
    text-align: center;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

header .site-logo {
    max-width: 180px;
    filter: brightness(0) invert(1);
    /* Ensures the logo appears white */
}

section {
    padding: 40px 20px;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    padding: 15px;
    background-color: var(--title-bg-color);
    color: var(--white);
}

.product-frames-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.product-frame {
    width: calc(20% - 2rem);
    min-width: 250px;
    background-color: var(--white);
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    height: auto;
}

.product-frame:hover {
    transform: translateY(-10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.product-frame .image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    /* Maintain a standard height */
}

.product-frame img {
    max-width: 100%;
    max-height: 200px;
    /* Prevent image cropping while ensuring full visibility */
    object-fit: contain;
}

.product-frame .frame-caption {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    padding: 15px;
    background-color: var(--background-color);
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    font-size: 1.2rem;
    border-radius: 6px;
    margin-top: 30px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #003366;
}

.contact-info {
    background-color: var(--white);
    padding: 50px 20px;
    border-radius: 8px;
    margin-top: 3rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 10px 0;
}

.contact-info a {
    font-size: 1.1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.contact-info .whatsapp-btn {
    display: inline-block;
    background-color: #25D366;
    /* WhatsApp Green */
    color: var(--white);
    padding: 12px 30px;
    font-size: 1.2rem;
    border-radius: 6px;
    margin-top: 15px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.contact-info .whatsapp-btn:hover {
    background-color: #128C7E;
}

.custom-container {
    width: calc(20% - 2rem);
    min-width: 250px;
    background-color: var(--white);
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    height: auto;
    padding: 50px 20px;
    margin-bottom: 3rem;
}
.custom-container:hover {
    transform: translateY(-10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 30px 20px;
    text-align: center;
}

.social-links a {
    color: var(--white);
    margin: 0 15px;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .product-frame {
        width: calc(50% - 1rem);
    }
    .custom-container {
        width: calc(50% - 1rem);
    }
}

@media (max-width: 480px) {
    .product-frame {
        width: 100%;
    }
    .custom-container {
        width: 100%;
    }
}