/* Genel ayarlar */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0b132b;
    color: white;
    text-align: center;
}

header {
    background-color: #1c2541;
    padding: 20px 0;
}

h1, h2, h3 {
    margin: 10px 0;
}

p {
    width: 80%;
    margin: 10px auto;
    font-size: 16px;
    line-height: 1.6;
}

img {
    border-radius: 10px;
    margin: 15px 0;
    max-width: 90%;
    height: auto;
}

a {
    display: inline-block;
    margin: 20px 10px;
    padding: 12px 25px;
    background-color: #3a86ff;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: 0.3s;
}

a:hover {
    background-color: #5fa8ff;
}

.container {
    padding: 20px 0;
}

.planet-box {
    margin: 30px 0;
    padding: 20px;
    background-color: #1b263b;
    border-radius: 10px;
}