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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(180deg, #001f4d, #003b8e);
    color: white;
    min-height: 100vh;
    perspective: 1000px;
    overflow-x: hidden;
}

/* Header */
header {
    text-align: center;
    padding: 20px;
    font-size: 28px;
    letter-spacing: 2px;
}

/* Navigation */
nav {
    text-align: center;
    padding: 10px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    color: #00e0ff;
}