/* Header Section */
.header-image {
  background: url("college6.jpg") center/cover no-repeat;
  height: 550px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-top-right {
  position: absolute;
  top: 20px;
  right: 30px;
  display: flex;
  gap: 10px;
}

.college-logo, .ieee-logo {
  height: 60px;
  width: auto;
}

.header-title {
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  background: rgba(0, 51, 102, 0.75);
  padding: 15px 25px;
  border-radius: 10px;
  text-align: center;
}

/* Navbar */
.navbar {
  background-color: #003366;
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0;
}

.nav-list li {
  margin: 10px 15px;
}

.nav-list a {
  text-decoration: none;
  color: white;
  padding: 8px 14px;
  border-radius: 5px;
  transition: background 0.3s;
}

.nav-list a:hover {
  background-color: #0059b3;
}

/* Main Content */
.main-container {
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  padding: 40px;
  flex-wrap: wrap;
}

.content-section {
  flex: 1 1 60%;
  padding: 20px;
}

.important-dates {
  flex: 1 1 30%;
  background: #f0f6ff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.important-dates h3 {
  color: #003366;
  text-align: center;
  margin-bottom: 15px;
}

.important-dates ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.important-dates li {
  margin: 10px 0;
  line-height: 1.6;
}

/* Buttons */
.button-group {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.btn {
  background-color: #007bff;
  color: white;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

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