* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header + Menu */
header {
    background: #1e1e1e;
    padding: 1rem;
    text-align: center;
    border-bottom: 2px solid #333;
}

nav {
    margin-top: 1rem;
}

.menu {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.menu > li {
    position: relative;
}

.menu a {
    color: #4db8ff;
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem;
}

.menu ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #222;
    padding: 0.5rem;
    list-style: none;
    border-radius: 5px;
}

.menu li:hover ul {
    display: block;
}

.menu ul li {
    margin: 0.5rem 0;
}

/* Main content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

main img {
    max-width: 600px;
    border-radius: 8px;
    margin: 2rem 0;
}

/* Footer */
footer {
    background: #1e1e1e;
    text-align: center;
    padding: 1rem;
    border-top: 2px solid #333;
}