/* === RESET DAN GAYA DASAR === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

a {
  color: #0077cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* === HEADER (GAMBAR BANNER) === */
.page-header {
  width: 100%;
  margin: 0;
  padding: 0;
}

.page-header img {
  width: 100%;
  height: auto;
  display: block;
}

/* === KONTEN UTAMA DAN SIDEBAR === */
.main-wrapper {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  max-width: 1200px;
  margin: 30px auto;
  padding: 0 15px;
  gap: 30px;
}

/* === KONTEN ARTIKEL === */
.main-content {
  flex: 3;
}

.article-item {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.article-item h4 {
  font-size: 1.2em;
  margin-bottom: 10px;
}

.article-item p {
  margin-bottom: 5px;
  color: #555;
}

.btn-pdf {
  display: inline-block;
  margin-top: 10px;
  background-color: #007bff;
  color: white;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.9em;
  transition: background-color 0.3s ease;
}

.btn-pdf:hover {
  background-color: #0056b3;
}

/* === SIDEBAR === */
.sidebar {
  flex: 1;
  background-color: #ffffff;
  padding: 20px;
  border-radius: 8px;
  height: fit-content;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.sidebar h3 {
  font-size: 1.1em;
  margin-bottom: 10px;
  color: #222;
}

.sidebar ul {
  list-style: none;
  padding-left: 0;
}

.sidebar ul li {
  margin-bottom: 8px;
}

.sidebar ul li a {
  color: #444;
  padding: 6px 10px;
  display: block;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.sidebar ul li a:hover {
  background-color: #f2f2f2;
}

/* === FOOTER === */
.footer {
  background-color: #222;
  color: #ddd;
  padding: 20px 10px;
  text-align: center;
  margin-top: 40px;
}

.footer a {
  color: #ffc107;
}

.footer a:hover {
  text-decoration: underline;
}

/* === RESPONSIF MOBILE === */
@media (max-width: 768px) {
  .main-wrapper {
    flex-direction: column;
    padding: 10px;
  }

  .sidebar {
    margin-top: 20px;
  }

  .article-item {
    padding: 15px;
  }

  .footer {
    font-size: 14px;
  }

  .page-header img {
    width: 100%;
    height: auto;
  }
}