/* Reset default margin dan padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-image: url(background.png);
    background-size: cover; /* supaya gambar background rapi */
    background-position: center;
}

.content {
    background-color: white;
    width: 75%;
    margin: 25px auto; /* ini yang buat center */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); /* bayangan agar lebih elegan */
    border-radius: 10px;
}

/* Header */
header {
    background-color: #3498db;
    color: white;
    padding: 20px 0;
    text-align: center;
}

/* Navigation */
nav {
    background-color: #2980b9;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

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

/* Banner Image */
img[alt="Study Club 2025 Banner"] {
    width: 100%;
    height: 350px;
    mask-repeat: no-repeat;
}

/* Main content */
main {
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
    gap: 20px;
}

p{
    text-indent: 25px;
}

/* Section (artikel utama) */
section {
    flex: 2;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 8px;
}

/* Aside (profil) */
aside {
    flex: 1;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 8px;
}

aside img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

footer form {
    margin-bottom: 15px;
}


footer form button:hover {
    background-color: #16a085;
}

/* Responsive: Untuk layar kecil */
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }
}