.site-header {
    position: fixed;
    inset: 18px 0 auto;
    z-index: 100;
    pointer-events: none;
}

.floating-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    width: min(100% - 40px, 1180px);
    min-height: 66px;
    margin-inline: auto;
    padding: 8px 10px 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background: rgba(5, 11, 36, 0.78);
    box-shadow: 0 22px 80px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255,255,255,0.12);
    backdrop-filter: blur(22px);
    pointer-events: auto;
}

.brand,
.mobile-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    color: #fff;
}

.brand img,
.mobile-brand img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 50%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.nav-links a {
    padding: 11px 14px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.84rem;
    font-weight: 800;
    transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a.is-active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-nav,
.mobile-menu {
    display: none;
}

@media (max-width: 920px) {
    .site-header {
        inset: auto 0 18px;
    }

    .floating-nav {
        display: none;
    }

    .mobile-nav {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
        width: min(100% - 32px, 430px);
        min-height: 62px;
        margin-inline: auto;
        padding: 8px 10px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.92);
        box-shadow: 0 18px 62px rgba(8, 36, 88, 0.28);
        backdrop-filter: blur(22px);
        pointer-events: auto;
    }

    .mobile-shortcut {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 42px;
        width: max-content;
        max-width: 118px;
        padding-inline: 12px;
        border-radius: 999px;
        color: #fff;
        background: var(--color-blue);
        font-size: 0.76rem;
        font-weight: 900;
        line-height: 1.1;
        text-align: center;
    }

    .mobile-brand {
        justify-self: center;
        color: var(--color-text);
    }

    .menu-toggle {
        justify-self: end;
    }

    .menu-toggle {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        width: 46px;
        height: 46px;
        border: 0;
        border-radius: 50%;
        color: #fff;
        background: var(--color-navy);
        cursor: pointer;
    }

    .menu-toggle span {
        width: 18px;
        height: 2px;
        border-radius: 99px;
        background: currentColor;
        transition: transform 180ms ease, opacity 180ms ease;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .mobile-menu {
        position: fixed;
        inset: auto 16px 92px;
        display: grid;
        gap: 8px;
        max-width: 430px;
        margin-inline: auto;
        padding: 14px;
        border: 1px solid rgba(8, 87, 255, 0.18);
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.94);
        box-shadow: 0 22px 80px rgba(8, 36, 88, 0.2);
        backdrop-filter: blur(22px);
        opacity: 0;
        pointer-events: none;
        transform: translateY(12px);
        transition: opacity 180ms ease, transform 180ms ease;
    }

    .mobile-menu.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .mobile-menu a:not(.btn) {
        padding: 14px 16px;
        border-radius: 16px;
        color: var(--color-text);
        background: var(--color-surface);
        font-weight: 800;
    }
}