/* Mengatur margin dan padding dasar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Background warna-warni bergerak */
body {
    min-height: 100vh;
    overflow: hidden;
    background: linear-gradient(45deg, #ff0066, #00ccff, #66ff66, #ff9900);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    color: #fff;
    text-align: center;
}

/* Header */
header {
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
}

header h1 {
    font-size: 2.5em;
}

/* Navigasi */
nav {
    margin: 20px 0;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    border-radius: 10px;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Artikel */
article {
    margin: 30px auto;
    max-width: 800px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

article h2 {
    font-size: 2em;
    margin-bottom: 10px;
}

article p {
    line-height: 1.6;
}

/* Footer */
footer {
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Animasi background */
@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}