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

/* Base Styling */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #fafafa;
  color: #555;
  line-height: 1.6;
}

/* Header */
#header-wrapper {
  background: #333;
  color: #fff;
  padding: 20px 0;
}

#logo h1 a {
  color: #fff;
  text-decoration: none;
  font-size: 26px;
}

#nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
  margin-top: 10px;
}

#nav ul li a {
  color: #fff;
  background-color: #444;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: 0.3s;
}

#nav ul li a:hover {
  background-color: #666;
}

/* Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 30px 0;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.4u {
  flex: 1;
  max-width: 25%;
}

.8u {
  flex: 3;
  max-width: 70%;
}

@media screen and (max-width: 768px) {
  .4u, .8u {
    max-width: 100%;
  }
}

/* Sidebar */
#sidebar section {
  background-color: #ffffff;
  border: 1px solid #ddd;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 6px;
}

.button {
  display: inline-block;
  background-color: #333;
  color: #fff;
  padding: 10px 14px;
  text-decoration: none;
  border-radius: 5px;
}

.button:hover {
  background-color: #555;
}

/* Content */
#content {
  background-color: #ffffff;
  border: 1px solid #ddd;
  padding: 25px;
  border-radius: 6px;
}

#content-area h1 {
  font-size: 28px;
  margin-bottom: 20px;
  color: #333;
}

.item-list h3 {
  font-size: 22px;
  margin-top: 25px;
  color: #333;
}

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

.item-list li {
  padding: 6px 0;
}

.item-list a {
  color: #888;
  text-decoration: none;
}

.item-list a:hover {
  text-decoration: underline;
}

/* Footer */
#footer-wrapper {
  background-color: #222;
  color: #ccc;
  padding: 25px 0;
  margin-top: 40px;
}

#footer .menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  list-style: none;
}

#footer .menu a {
  color: #ccc;
  text-decoration: none;
  font-size: 14px;
}

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