.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem var(--layout-gutter);
    pointer-events: none;
}

.nav-float {
    pointer-events: auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5rem;
    max-width: 72rem;
    margin: 0 auto;
    padding: 0.65rem 0.65rem 0.65rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 100px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    transition:
        background 0.5s var(--ease-out-expo),
        border-color 0.5s var(--ease-out-expo),
        box-shadow 0.5s var(--ease-out-expo);
}

.site-header.is-scrolled .nav-float {
    background: rgba(0, 0, 0, 0.72);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

.site-header.is-light .nav-float {
    background: rgba(255, 255, 255, 0.88);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.35s ease;
}

.nav-logo:hover {
    opacity: 0.72;
}

.nav-logo__wordmark {
    display: block;
    height: 1.125rem;
    width: auto;
}

.nav-logo__wordmark--on-light {
    display: none;
}

.site-header.is-light .nav-logo__wordmark--on-dark {
    display: none;
}

.site-header.is-light .nav-logo__wordmark--on-light {
    display: block;
}

.nav-links {
    justify-self: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.2rem;
}

.nav-link {
    padding: 0.45rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    border-radius: 100px;
    transition:
        color 0.35s ease,
        background 0.35s var(--ease-out-expo);
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.site-header.is-light .nav-link {
    color: rgba(0, 0, 0, 0.5);
}

.site-header.is-light .nav-link:hover,
.site-header.is-light .nav-link.is-active {
    color: var(--color-black);
    background: rgba(0, 0, 0, 0.05);
}

.nav-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-nav {
    min-height: 2.5rem;
    padding: 0 1.25rem;
    font-size: 0.8125rem;
    border-radius: 100px;
}

.site-header.is-light .btn-nav {
    color: var(--color-white);
    background: var(--color-black);
    border-color: var(--color-black);
}

.site-header.is-light .btn-nav::before {
    background: var(--color-white);
}

.site-header.is-light .btn-nav:hover {
    color: var(--color-black);
    border-color: var(--color-black);
}

.nav-menu-btn {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.nav-menu-btn span {
    display: block;
    width: 1rem;
    height: 1px;
    margin: 0 auto;
    background: var(--color-white);
    transition: transform 0.45s var(--ease-out-expo);
}

.nav-menu-btn span + span {
    margin-top: 0.375rem;
}

.site-header.is-light .nav-menu-btn {
    background: rgba(0, 0, 0, 0.06);
}

.site-header.is-light .nav-menu-btn span {
    background: var(--color-black);
}

.site-header.nav-open .nav-menu-btn span:first-child {
    transform: translateY(0.4375rem) rotate(45deg);
}

.site-header.nav-open .nav-menu-btn span:last-child {
    transform: translateY(-0.4375rem) rotate(-45deg);
}

.nav-mobile {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--color-black);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.5s var(--ease-out-expo),
        visibility 0.5s var(--ease-out-expo);
}

.nav-mobile nav {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    padding: 6rem var(--layout-gutter) 3rem;
    max-width: 48rem;
    margin: 0 auto;
}

.nav-mobile-link {
    font-size: clamp(2.5rem, 10vw, 4.5rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    line-height: 1.05;
    color: rgba(255, 255, 255, 0.35);
    text-decoration: none;
    transition: color 0.35s ease;
}

.nav-mobile-link:hover,
.nav-mobile-link.is-active {
    color: var(--color-white);
}

.nav-mobile-link-cta {
    margin-top: 2rem;
    font-family: var(--font-brand);
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    letter-spacing: 0.04em;
}

.site-header.nav-open .nav-mobile {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

body.menu-locked {
    overflow: hidden;
}

@media screen and (max-width: 768px) {
    .site-header {
        padding: 0.85rem 1rem;
    }

    .nav-float {
        grid-template-columns: 1fr auto;
        border-radius: 1rem;
        padding: 0.5rem 0.5rem 0.5rem 1rem;
    }

    .nav-links,
    .nav-actions .btn-nav {
        display: none;
    }

    .nav-menu-btn {
        display: block;
    }
}