header {
  position: fixed;
  top: 0;
  left: 0;
  width: calc(100% - 300px);
  margin: 30px 150px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(7, 11, 46, 0.2);

  border-radius: 1rem;
  box-shadow: 0px 0px 20px rgba(255, 255, 255, 0.3),
    0px 0px 40px rgba(0, 0, 255, 0.3);
  padding: 20px 50px;
  background: rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

header:hover {
  transform: scale(1.05);
  border: 2px solid rgba(255, 255, 255, 1);
  box-shadow: 0px 0px 20px rgba(255, 255, 255, 1),
    0px 0px 40px rgba(0, 0, 255, 0.3);
}

.logo {
  font-size: 32px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

a {
  position: relative;
  color: #fff;
  font-size: 18px;
  margin-left: 40px;
  text-decoration: none;
}

a::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #fff;
  transition: all 0.3s linear;
}

a:hover::before {
  width: 100%;
}
a.active::before {
  width: 100%;
}
.hamburger {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  cursor: pointer;
  transition: all 0.3s ease;
}
.hide {
  position: absolute;
  top: 20px;
  left: 20px;
  display: none;
  font-size: 32px;
}
.close {
  width: 25px;
  height: 3px;

  background-color: white;
  margin: 4px 0;
  transition: all 0.3s ease;
}

/* Media Queries for Responsiveness */