body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f9;
}

/* HEADER */
.top-header {
  background: #0b3c5d;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
}

.logo {
  font-size: 22px;
  font-weight: bold;
}

/* MENU */
.main-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.main-menu li {
  position: relative;
}

.main-menu a {
  color: white;
  text-decoration: none;
  padding: 10px 15px;
  display: block;
}

.main-menu a:hover {
  background: #094063;
}

/* DROPDOWN */
.dropdown-menu {
  display: none;
  position: absolute;
  background: white;
  min-width: 180px;
  top: 100%;
  right: 0;
  box-shadow: 0 2px 5px #999;
}

.dropdown-menu a {
  color: black;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

/* LAYOUT */
.container {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 20px;
  padding: 20px;
}

/* CONTENT */
.content {
  background: white;
  padding: 20px;
  border-radius: 5px;
}

.post {
  border-bottom: 1px solid #ddd;
  padding: 15px 0;
}

/* SIDEBAR */
.sidebar {
  background: white;
  padding: 20px;
  border-radius: 5px;
}

/* FOOTER */
footer {
  background: #0b3c5d;
  color: white;
  text-align: center;
  padding: 12px;
  margin-top: 20px;
}

/* MOBILE */
@media(max-width:768px){
  .container{
    grid-template-columns:1fr;
  }

  .main-menu ul{
    flex-direction: column;
  }
}