.site-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: nowrap;
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 98;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(111, 48, 214, 0.2);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 28px rgba(88, 56, 155, 0.14);
}

.site-nav__toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: #514c7d;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.site-nav__toggle:focus-visible {
    outline: 2px solid var(--accent, #6f30d6);
    outline-offset: 2px;
}

.site-nav__toggle-bars,
.site-nav__toggle-bars::before,
.site-nav__toggle-bars::after {
    display: block;
    width: 20px;
    height: 1px;
    border-radius: 2px;
    background: currentColor;
    transition:
        transform 0.25s ease,
        opacity 0.2s ease,
        top 0.25s ease;
}

.site-nav__toggle-bars {
    position: relative;
}

.site-nav__toggle-bars::before,
.site-nav__toggle-bars::after {
    content: "";
    position: absolute;
    left: 0;
}

.site-nav__toggle-bars::before {
    top: -7px;
}

.site-nav__toggle-bars::after {
    top: 7px;
}

.site-nav.is-open .site-nav__toggle-bars {
    background: transparent;
}

.site-nav.is-open .site-nav__toggle-bars::before {
    top: 0;
    transform: rotate(45deg);
}

.site-nav.is-open .site-nav__toggle-bars::after {
    top: 0;
    transform: rotate(-45deg);
}

.site-nav__panel {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
}

.site-nav__panel a {
    color: #514c7d;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.86rem;
    padding: 6px 12px;
    border-radius: 999px;
    line-height: 1.2;
}

.site-nav__panel a:hover {
    color: black;
}

.site-nav__panel a.is-active {
    color: #ffffff;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    box-shadow: 0 8px 20px rgba(111, 48, 214, 0.24);
}

@media (max-width: 767.98px) {
    .site-nav {
        left: 50%;
        transform: translateX(-50%);
        width: max-content;
        max-width: calc(100vw - 24px);
        justify-content: center;
        padding: 6px 8px;
    }

    .site-nav__toggle {
        display: inline-flex;
        flex-shrink: 0;
    }

    .site-nav__panel {
        position: absolute;
        top: calc(100% + 10px);
        left: 50%;
        transform: translateX(-50%);
        width: min(100vw - 24px, 280px);
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: stretch;
        gap: 4px;
        padding: 10px;
        margin: 0;
        border-radius: 18px;
        border: 1px solid rgba(111, 48, 214, 0.22);
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        box-shadow:
            0 16px 40px rgba(88, 56, 155, 0.18),
            0 2px 8px rgba(0, 0, 0, 0.06);
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        visibility: hidden;
        transition:
            max-height 0.32s ease,
            opacity 0.22s ease,
            visibility 0.32s;
    }

    .site-nav.is-open .site-nav__panel {
        max-height: min(70vh, 320px);
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
    }

    .site-nav__panel a {
        font-size: 1rem;
        padding: 14px 16px;
        border-radius: 14px;
        text-align: center;
    }

    .site-nav__panel a:active {
        background: rgba(111, 48, 214, 0.08);
    }
}