.site-header{
    background: var(--bg-nonary);
    padding: var(--space-lg) 18px;
    box-shadow: 0 0 14px rgba(56, 213, 230, .35);
    position: relative;
    z-index: 0;
}

.site-header::before{
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--bg-secondary, #1b2125);
    border: 4px solid var(--bg-septenary);
    filter: blur(2px);
    pointer-events: none;
    z-index: -1;
    mix-blend-mode: normal;
}
.site-header::after{ content:none; }

.nav-container{
    display: grid;
    grid-template-columns: 25% 1fr 25%;
    align-items: center;
    gap: 22px;
}

.logo-img{
    height: 45px;
    max-width: 165px;
    object-fit: contain;
}

.nav-center{
    justify-self: center;
    display: flex;
    gap: 2px;
    border-radius: 999px;
    background: var(--bg-quaternary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 2px 6px rgba(0, 0, 0, .25);
    align-items: center;
    justify-content: center;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2.25rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .02em;
    text-transform: uppercase;
    color: var(--text-primary, #eaf9ff);
    transition: background .2s ease, color .2s ease, transform .05s ease;
    min-width: 150px;
}

.nav-link:hover{
    background: rgba(255,255,255,.08);
    color: var(--text-primary, #eaf9ff);
}

.nav-link.active{

    background: var(--bg-quattuorinenary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 4px 10px rgba(32, 185, 201, .35);
    height: 100%;
    border-radius: 999px;
}

.nav-right{
    display: flex;
    align-items: center;
    gap: 9px;
    justify-content: flex-end;
}

.theme-toggle{
    border: none;
    background: transparent;
    color: var(--accent-primary,#38d5e6);
    font-size: 1.25rem;
    line-height: 1;
    width: 50px; height: 50px;
    display: grid; place-items: center;
    border-radius: 50%;
    transition: transform .1s ease, box-shadow .2s ease;
}

.btns{
    padding: var(--space-md) 1.75rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: transform .25s ease, box-shadow .2s ease, background .2s ease;

    box-sizing: border-box;
    white-space: nowrap;
    width: 130px;
    font-size: var(--font-size-md);
}

.btn-primary{
    color: #FFFFFF;
    border-radius: 20px 20px 0 20px;
    border: 3px solid #2FBED2;

    background:#2FBED2;
    background-clip: padding-box, border-box;
}

.btn-outline{
    background: var(--bg-secondary, #1b2125);
    border: 3px solid var(--accent-primary, #38d5e6);
    color: var(--accent-primary, #38d5e6);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .05);
    border-radius: 20px 20px 20px 0;
}
.btn-outline:hover{ background: rgba(56,213,230,.06); transform: translateY(-2px);}


.nav-left{
    display: flex;
    align-items: flex-start;
    padding-left: var(--space-lg);
}