.site-header {
    padding: 20px 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { 
    height: 80px;
    width:auto;
    display: block;
}

.nav-main a {
    color: var(--text-main);
    text-decoration: none;
    margin:  12px;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-main a:hover { color: var(--ordi-red); }