header{
	padding: 100px 25px;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 50px;
	flex-wrap: wrap; 
}
.header_text{
	width:850px;
}
.circle {
	
	height: 600px;
	width: 600px;
	max-height: 80vw;
	max-width: 80vw;
	overflow: hidden;
	border-radius: 50%;
	border: 20px solid var(--main-brand-color);
	
	display: flex;
	justify-content: center;
	align-items: center;
}
.circle img{
	width: 100%;
}
nav{
	margin-bottom: 120px;
}
nav ul{
	list-style: none;
	display: flex;
	gap: 20px;
}
nav a{
	color: var(--secondary-text-color);
	text-decoration: none;
	position: relative;
	padding: 3px;
}
nav a:hover{
	color: var(--text-color);
}
nav a::after{
	content:'';
	height: 2px;
	width: 0%;
	background: var(--main-brand-color);
	position: absolute;
	bottom: 0;
	left: 0;
	transition: 150ms ease-in-out;
}
nav a:hover::after{
	width: 100%;
}
#toggle_button{
	display: none;
}
label[for="toggle_button"]{
	display: none;
}
label[for="toggle_button"] span{
	font-size: 40px;
}
@media (max-width: 800px) {
    nav {
        position: absolute;
        top: 0;
        left: 0;
        background: var(--secondary-color);
        padding: 15px;
        border-radius: 0 0 25px 0;
    }
    nav ul {
        display: none;
        flex-direction: column;
    }
    #toggle_button:checked ~ ul {
        display: flex;
    }
    label[for="toggle_button"] {
        display: block;
    }
}