header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(199, 55, 47, 0.4); /* color background color before scrolled */
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  transition: height 0.5s ease, background-color 0.5s ease;
}

/* Add this class for a smaller header on scroll */
header.scrolled {
  height: 50px; /* Adjust the height as needed */
  background-color: var(--tertiary-color); /* Change background color when scrolled */
}

/* Style the logo images */
header img {
  max-width: 80px;
  height: auto;
  margin-right: 20px;
  filter: invert(1);
}

/* Initially hide the scrolled logo */
.hidden {
  display: none;
}

.menuIcon {
    font-size: 30px;
    cursor: pointer;
    color: var(--secondary-color); /* hamburger color */
    transition: 0.5s;
}

.menuIcon:hover{
  color: var(--essence-color); /* hamburger color */
}

.sidenav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: var(--tertiary-color); /* panel color */
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidenav a {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 25px;
  color: var(--secondary-color); /* font color */
  display: block;
  transition: 0.3s;
}

.sidenav a:hover {
  color: var(--essence-color); /* hover font color */
}

.sidenav .closebtn {
  position: absolute;
  top: 0;
  right: 25px;
  font-size: 36px;
  margin-left: 50px;
}