/* General styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar styles */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #333;
}

nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 16px;
}

nav ul li a:hover {
    color: #f39c12;
}

/* Certificates section styles */
#certificates {
    text-align: center;
    padding: 50px 20px;
}

#certificates h1 {
    font-size: 36px;
    margin-bottom: 30px;
}

/* Responsive Certificate Gallery */
.certificates-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(200px, 1fr));
    gap: 20px;
}

.certificates-gallery img {
    width: 100%;
    height: 315px;
    border: 2px solid #ddd;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.certificates-gallery img:hover {
    transform: scale(1.1);
    border-color: #f39c12;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .certificates-gallery {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    nav {
        flex-direction: column;
        align-items: center;
    }

    nav ul {
        flex-direction: column;
        text-align: center;
        padding: 10px;
    }

    nav ul li {
        margin: 10px 0;
    }
}