.site-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: 0.85rem min(2rem, 3vw);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--color-line);
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 0;
}

.brand__logo {
    height: 38px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.toggles {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.theme-toggle {
    position: relative;
    width: 80px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--glass-border);
    border-radius: 17px;
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px var(--card-glow);
}

.theme-toggle-text {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.55rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1;
    pointer-events: none;
    right: 10px;
    color: var(--color-muted);
}

[data-mode="dark"] .theme-toggle-text {
    right: auto;
    left: 10px;
}

.theme-toggle-knob {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 2px 8px var(--card-glow);
    transition: transform var(--transition-medium), background var(--transition-medium), box-shadow var(--transition-medium);
    z-index: 1;
}

[data-mode="dark"] .theme-toggle-knob {
    transform: translateX(48px);
}

.theme-toggle:hover .theme-toggle-knob {
    box-shadow: 0 2px 12px var(--card-glow);
}

.color-toggle-pill {
    width: 80px;
    height: 34px;
}

.color-toggle-pill .theme-toggle-text {
    left: 10px;
    right: auto;
}

.color-toggle-pill.is-active .theme-toggle-knob {
    transform: translateX(48px);
}

.nav-links a {
    position: relative;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    position: absolute;
    right: 0;
    bottom: -4px;
    left: 0;
    height: 2px;
    content: "";
    background: var(--color-accent);
    border-radius: 999px;
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.is-active {
    color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 720px) {
    .menu-toggle {
        display: flex;
        z-index: 110;
    }

    .toggles {
        margin-left: auto;
        margin-right: 0.5rem;
    }

    .menu-overlay {
        position: fixed;
        inset: 0;
        z-index: 99;
        pointer-events: none;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-medium), visibility var(--transition-medium);
    }

    .menu-overlay[data-open] {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 50vw;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: var(--space-2);
        padding: min(2rem, 3vw);
        padding-top: 5rem;
        background: var(--menu-bg, rgba(0, 0, 0, 0.88));
        backdrop-filter: blur(40px) saturate(200%);
        -webkit-backdrop-filter: blur(30px) saturate(180%);
        border-left: 1px solid var(--glass-border);
        box-shadow: -8px 0 48px rgba(0, 0, 0, 0.32);
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-medium), opacity var(--transition-medium), visibility var(--transition-medium);
        z-index: 105;
    }

    .nav-links a {
        width: 100%;
        padding: var(--space-3) 0;
        font-size: 1rem;
    }

    .nav-links a::after {
        display: none;
    }

    [data-menu][data-open] {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
}