body{
background-color: #ececec;
}




/* Handle */
::-webkit-scrollbar-thumb {
  background: whitesmoke;
}

.panel {
  position: absolute;
  left: 0;
  width: 330px;
  padding: 30px;
  background: var(--gray);
  color: var(--white);
  height: 100vh;
  z-index: +1;
  overflow-y: scroll;
  transition: left 1s linear;
}
.panel h1{
  
    font-size: 37px;
    padding: 0px;
  }


body.active .panel {
  left: -290px; 
}

body.active .header-content {
 width: 90%;
 transition: 1s linear;
}

.fa-chevron-left {
  position: absolute;
  right: 0;
  top: 0;
  margin: 20px;
}

.fa-chevron-left:hover {
  cursor: pointer;
  color: var(--maincolor);
}

body.active .fa-chevron-left {
  transform: rotate(180deg);
  transition: transform 1s linear;
}



.panel ul {
  color: white;
  margin: 0;
  padding: 10px;
}

.panel ul li {
  line-height: 25px;
  position: relative; /* for pseudo-element positioning */
  list-style: none;
}

.panel ul li button {
  background-color: transparent;
  border: none;
  color: white;
  padding: 0;
  font-size: 16px;
  cursor: pointer;
  position: relative;
  display: inline-block; /* required for underline to match text */
  text-decoration: none;
}

.panel ul li button::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: #ffee00;
  transition: right 0.3s ease-out;
}

.panel ul li button:hover::before,
.panel ul li button:focus::before,
.panel ul li button:active::before {
  right: 0;
}

a{
color: black;
text-decoration: underline var(--maincolor);
}
.panel ul li a{
  color: var(--white);
  font-weight: 600;
text-decoration: none;
}
.panel ul li {
list-style: none;
}

.panel ul li.additional {
font-weight: 600;

}





.header-content{
margin: 0px;
height: 100vh;
overflow-y: scroll;
background-size: cover;
width: 75%;
float: right;
padding: 30px 50px;
color: black;
transition: 1s linear;
}


.hidden { 
display: none; 
}

#header0{
  margin: auto;
  justify-content: center;
}

.video {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.video-container {
  position: relative;
  width: 90%;
  max-width: 800px;
  aspect-ratio: 16 / 9;
}

.video-container iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border: 0;
}
@media (max-width: 768px) {

 
  .header-content {
 width: 90%;
    padding: 10px 15px;
  }

  .video {
    height: auto;
    padding: 20px 0;
  }

  .video-container {
    width: 100%;
    aspect-ratio: 16 / 9;
  }


}