.nav-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: var(--color-dark);
}

.main-nav {
    background: var(--color-dark);
    /*border-bottom: 1px solid rgba(255,255,255,0.1);*/
    border-bottom: 3px solid var(--color-blue);
    
   /* 
    background:
        linear-gradient(
            to bottom,
            rgba(120,160,255,0.1),
            rgba(0,0,0,0)
        );
    backdrop-filter: blur(4px);*/

    position: relative;
    z-index: 1000;
}


.nav-level-1 {
    display: flex;
    gap: 2rem;
    list-style: none;
    padding: 1rem 2rem;
    margin: 0;
}

.nav-level-1 > li {
    position: relative;
}

.nav-level-1 a,
.nav-level-1 span {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: var(--color-bright);
    text-decoration: none;
    cursor: pointer;
    
    display: inline-block;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
}

.nav-level-1 li.active > a,
.nav-level-1 li.active > span {
    text-shadow: 0 0 12px var(--color-blue-light);
    
    border-bottom-color: var(--color-blue-light);
    text-shadow: none;
}

.has-sub:hover .nav-level-2 {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-level-2 {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-dark);
    list-style: none;
    padding: 0.75rem 1rem;
    min-width: 14rem;

    opacity: 0;
    pointer-events: none;
    transform: translateY(-5px);
    transition: all 0.2s ease;
    z-index: 1100;
}

.nav-level-2 li {
    margin-bottom: 0.5rem;
}

.nav-level-2 li:last-child {
    margin-bottom: 0;
}

.nav-level-2 a {
    font-weight: 400;
    letter-spacing: normal;
}


.nav-level-1 li > a:hover, .nav-level-1 li span:hover{
    text-shadow:0px 0px 7px var(--color-blue-textshadow), 1px 1px 10px var(--color-blue-textshadow), 1px 1px 10px var(--color-blue-textshadow), -1px -1px 15px var(--color-blue-textshadow);

}

.nav-level-1 li.has-sub:hover > a,
.nav-level-1 li.has-sub:hover > span, .nav-level-1 > li:hover > a,
.nav-level-1 > li:hover > span {
    text-shadow:
        0 0 6px var(--color-blue-light),
        0 0 12px var(--color-blue-light);

    border-bottom-color: var(--color-blue-light);
}



/* Breadcrumbs */

.breadcrumbs {
    font-family: var(--font-content);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    
    margin: 0.25rem 2rem 2.5rem 2rem;
    opacity: 0.6;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding-bottom: 0.75rem;
    
    text-transform: uppercase;
}

.breadcrumbs a {
    color: var(--color-bright);
    opacity: 0.55;
    
    font-weight: 400;
    
   text-decoration: none;
    border-bottom: 1px dotted transparent; 
    
    transition: opacity 0.2s ease, border-color 0.2s ease;
}

.breadcrumbs a:hover {
    opacity: 1;
    border-color: currentColor;
}



.breadcrumbs ul {
    display: flex;
    gap: 0.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumbs li::after {
    content: "›";
    opacity: 0.4;
    margin-left: 0.5rem;
}

.breadcrumbs li:last-child::after {
    content: "";
}
.breadcrumbs span {
    opacity: 0.9;
    cursor: default;
    
    font-weight: 500;
}