* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: black;
  color: #333;
}

header {
  background: black;
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.logo h1 {
  color: #6ec1ff;
  font-size: 1.8rem;
  animation: fadeInDown 1s ease-in-out;
}

.logo:hover {
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #6ec1ff;
  transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown {
  position: relative;
  display: inline-block;
}


.dropbtn {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-weight: bold;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: white;
  min-width: 150px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.dropdown-content a {
  color: #333;
  padding: 10px 14px;
  text-decoration: none;
  display: block;
}

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

.calendar-header {
  text-align: center;
  padding: 3rem 1rem;
  background: linear-gradient(to right, black, #6ec1ff);
  color: white;
}

.calendar-header i {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.calendar-header h2 {
  font-size: 2.5rem;
}

.calendar-header p {
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

.calendar-container {
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.calendar-card {
  background: black;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  max-width: 800px;
  width: 100%;
  text-align: center;
}

.calendar-card h3 {
  color: #6ec1ff;
  margin-bottom: 1rem;
}

.calendar-btn {
  display: inline-block;
  margin-top: 1rem;
  background-color: #6ec1ff;
  color: white;
  padding: 0.7rem 1.5rem;
  border-radius: 30px;
  text-decoration: none;
  transition: background-color 0.3s;
}

.calendar-btn i {
  margin-right: 8px;
}

.calendar-btn:hover {
  background-color: #4fa8ea;
}

footer {
  background: linear-gradient(to right, black, #6ec1ff, black);
  ;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

.footer-container {
  background-color: #6ec1ff;
  padding: 20px;
  text-align: center;
  color: black;
  position: relative;
}

.footer-container p {
  margin-bottom: 10px;
  font-size: 14px;
}

.credit-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.credit-btn {
  position: relative;
  padding: 10px 20px;
  border: 2px solid #fff;
  border-radius: 30px;
  background: transparent;
  color: black;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.credit-btn:hover {
  background-color: #fff;
  color: white;
}

.popup-card {
  display: none;
  position: absolute;
  bottom: 45px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #1a1a1a;
  color: white;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 255, 179, 0.4);
  width: 250px;
  z-index: 100;
  text-align: left;
}

.credit-btn:hover .popup-card {
  display: block;
}

.popup-card .social-links {
  display: flex;
  gap: 12px;
  margin: 6px 0;
}

.popup-card .social-links a {
  color: #6ec1ff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.popup-card .social-links a:hover {
  text-decoration: underline;
}

.popup-card i {
  margin-right: 6px;
}

.popup-card hr {
  border-color: #6ec1ff;
  margin: 10px 0;
}

@media (max-width: 600px) {
  .popup-card {
    width: 220px;
    font-size: 14px;
  }

  .credit-btn {
    padding: 8px 14px;
    font-size: 14px;
  }

  .credit-buttons {
    flex-direction: column;
    align-items: center;
  }
}