body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: #d1b065; /* Updated background color */
    color: #333;
}

/* Make header float while scrolling */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000; /* Ensure it stays above other elements */
    background-color: #2C2B2C; /* Updated header background color to match body */
    color: white;
    padding: 1%;
    text-align: justify;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h1 {
    margin: 0;
    color: #fff; /* Updated title color to Tricon black */
    font-size: xx-large;
    font-weight: 200;
    text-align: center;
}

/* Add margin-top to main content to prevent it from being hidden behind the fixed header */
main {
    padding: 1rem;
    margin-top: 70px; /* Adjust based on header height */
}

.gallery {
    position: relative; /* Added for button positioning */
}

.slider-container {
    overflow: hidden;
    white-space: nowrap;
    width: 100%;
}

.cert-list {
    display: flex;
    flex-wrap: wrap; /* Add this to allow certificates to wrap to the next row */
    gap: 20px;
    justify-content: center; /* Center align the certificates */
}

.cert {
    min-width: calc((100% - 50px) / 4); /* Calculate the width of each certificate */
    max-width: calc((100% - 50px) / 4); /* Calculate the width of each certificate */
    padding: 20px;
    border: 1px solid #ccc;
    text-align: center;
    border-radius: 10px;
    background-color: #f5d68f; /* Updated certificate background color */
    position: relative;
    transition: box-shadow 0.3s, transform 0.3s;
    scroll-snap-align: start;
}

/* Hover effect for certificate */
.cert:hover {
    transform: translateY(-10px); /* Slightly lift the certificate */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); /* Add shadow effect */
}

.cert img {
    width: 100%;
    border-radius: 10px;
    max-height: 250px;
    object-fit: cover;
    transition: transform 0.3s, box-shadow 0.3s; /* Add transition for transform and box-shadow */
}

.cert:hover img {
    transform: scale(1.1); /* Expand the image on hover */
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.6); /* Add glow effect */
}

.cert .list {
    margin-top: 20px;
}

.cert a {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.5rem;
    color: white;
    background-color: #d1b065; /* Updated link background color */
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.cert a:hover {
    background-color: #b89d4f; /* Slightly darker shade for hover effect */
}

.cert .fa-certificate {
    color: #fff;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.cert .fa-certificate:hover {
    color: #f5d68f; /* Updated hover color */
}

footer {
    background-color: #d1b065; /* Updated footer background color */
    color: white;
    text-align: center;
    padding: 1rem;
    width: 100%;
}

button.prev,
button.next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: #d1b065; /* Updated button background color */
    color: white;
    border: none;
    cursor: pointer;
    padding: 10px;
    font-size: 18px;
}

button.prev {
    left: 0;
}

button.next {
    right: 0;
}

@media screen and (max-width: 768px) {
    header {
        text-align: center; /* Center align the header text on smaller screens */
    }

    .cert {
        min-width: 100%; /* Make certificates full-width on smaller screens */
        max-width: 100%; /* Make certificates full-width on smaller screens */
    }
}