#mainNav.is-fixed {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1300;
}

#mainNav.toaster-mode {
    position: sticky !important;
    top: 0;
    z-index: 1200;
    background: linear-gradient(180deg,#4a3529 0%,#3a2a22 100%) !important;
    border-bottom: 3px solid color-mix(in oklab, var(--brand-primary) 35%, #000) !important;
    box-shadow: 0 8px 22px rgba(0,0,0,.18) !important;
}

#mainNav {
    isolation: isolate;
}

#mainNav.navbar {
    position: sticky;
    top: 0;
    z-index: 1200;
    background: linear-gradient(180deg,#4a3529 0%,#3a2a22 100%);
    border-bottom: 3px solid color-mix(in oklab, var(--brand-primary) 35%, #000);
    box-shadow: 0 8px 22px rgba(0,0,0,.18);
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, backdrop-filter .25s ease, color .2s ease;
}

#mainNav .navbar-brand {
    font-family: "Cormorant Garamond",serif;
    font-weight: 700;
    letter-spacing: .2px;
    color: #f7e9cf !important;
    display: flex;
    align-items: center;
    gap: .5rem;
}

    #mainNav .navbar-brand .brand-logo {
        width: 28px;
        height: 28px;
        display: block;
    }

#mainNav .nav-link {
    position: relative;
    color: color-mix(in oklab, var(--brand-primary) 82%, #fff);
    font-weight: 600;
    padding: .65rem .9rem;
    border-radius: 999px;
    transition: color .15s ease;
}

    /* Glow pod odkazem (tmavé pozadí) */
    #mainNav .nav-link::before {
        content: "";
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 50%;
        translate: 0 -50%;
        width: 115%;
        height: 2.2rem;
        border-radius: 999px;
        background: radial-gradient(ellipse at center, rgba(186,133,46,.40) 0%, rgba(186,133,46,.18) 55%, rgba(186,133,46,0) 70%);
        filter: blur(6px);
        opacity: 0;
        z-index: -1;
        transition: opacity .18s ease;
    }

    #mainNav .nav-link:hover,
    #mainNav .nav-link:focus {
        color: #fff;
    }

        #mainNav .nav-link:hover::before,
        #mainNav .nav-link:focus::before {
            opacity: 1;
        }

    #mainNav .nav-link.active {
        color: #fff !important;
    }

        #mainNav .nav-link.active::before {
            opacity: 1;
        }

.navbar-dark .navbar-toggler {
    border-color: rgba(255,255,255,.25);
    background: rgba(255,255,255,.08);
    border-radius: 10px;
}

/* === Stav po scrollu — ÚPLNĚ PRŮHLEDNÝ NAVBAR ======================== */
#mainNav.nav--scrolled {
    background: transparent !important;
    border-bottom: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
}

    /* tmavší/čitelnější texty na průhledném pozadí */
    #mainNav.nav--scrolled .navbar-brand {
        color: color-mix(in oklab, var(--brand-ink, #3e342f) 98%, #0000) !important;
    }

    #mainNav.nav--scrolled .nav-link {
        color: color-mix(in oklab, var(--brand-ink, #3e342f) 92%, #0000);
        font-weight: 650;
    }

        #mainNav.nav--scrolled .nav-link:hover,
        #mainNav.nav--scrolled .nav-link:focus {
            color: var(--brand-primary, #ba852e);
        }
        /* jemnější glow, ale může zůstat stejný – nechávám trochu slabší */
        #mainNav.nav--scrolled .nav-link::before {
            background: radial-gradient(ellipse at center, rgba(186,133,46,.22) 0%, rgba(186,133,46,.10) 55%, rgba(186,133,46,0) 70%);
        }

    /* toggler na průhledném pruhu */
    #mainNav.nav--scrolled .navbar-toggler {
        border-color: rgba(0,0,0,.15);
        background: rgba(0,0,0,.04);
    }

/* Mobilní menu převezme aktuální vzhled pruhu */
@media (max-width:991.98px) {
    #mainNavCollapse {
        border-radius: 12px;
        margin-top: .5rem;
        padding: .4rem;
    }
    /* tmavý rozpad pro top stav */
    #mainNav:not(.nav--scrolled) #mainNavCollapse {
        background: linear-gradient(180deg,#4a3529 0%,#3a2a22 100%);
    }
    /* světlé sklo pro průhledný stav, aby bylo co číst */
    #mainNav.nav--scrolled #mainNavCollapse {
        background: rgba(255,255,255,.88);
        backdrop-filter: saturate(140%) blur(6px);
    }

    #mainNav #mainNavCollapse .nav-link {
        display: block;
        text-align: center;
    }
}