body {
    margin: 0;
    font-family: Arial, sans-serif;
}

header {
    width: 100%;
    overflow: hidden;
    position: relative;
    height: 500px; /* increased height for taller image */
}

#slider {
    width: 100%;
    height: 1000%; /* fill the header height */
    object-fit: cover;
    display: block;
    opacity: 1;
    transition: opacity 1s ease-in-out; /* smooth fade */
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 40px;
    position: absolute;
    width: 100%;
    z-index: 1;
    background: rgba(255, 255, 255, 0.7); /* optional for readability */
}

.logo img {
    height: 50px;
}

nav {
    display: flex;
    justify-content: center;
    flex-grow: 1;
    gap: 25px;
}

nav a {
    text-decoration: none;
    color: black;
    font-size: 18px;
}

nav a:hover {
    text-decoration: underline;
}

#slider {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

main {
    padding: 20px;
}