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

body {
  font-family: "Arial", sans-serif;
}

nav {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #6f8a86;
  box-shadow: 5px 5px 30px rgba(0, 0, 0, 15%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 5%;
  z-index: 1000;
}

nav .logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.navbar {
  display: flex;
  align-items: center;
}

.navbar ul {
  display: flex;
  list-style: none;
}

.navbar ul li {
  margin-left: 20px;
}

.navbar ul li a {
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
  padding: 10px 15px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
}

.navbar ul li a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: white;
  transition: all 0.3s ease;
}

.navbar ul li a:hover::after {
  width: 100%;
  left: 0;
}

.navbar ul li a:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.mobile-menu-icon {
  display: none;
  color: transparent;
}

@media screen and (max-width: 768px) {
  .mobile-menu-icon {
    display: flex;
    z-index: 1001;
    color: white;
    font-size: 24px;
    cursor: pointer;
  }

  .navbar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: #154a4a;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: 0.3s;
  }

  .navbar.active {
    left: 0;
  }

  .navbar ul {
    flex-direction: column;
    text-align: center;
  }

  .navbar ul li {
    margin: 20px 0;
  }

  .navbar ul li a {
    font-size: 1.5rem;
  }

  .close-icon {
    position: absolute;
    top: 20px;
    right: 20px;
  }
  nav .logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
  }
}