/* Shared site navigation. */
.gnpc-site-nav.gnpc-site-nav {
    --gn-divider-header-inset: 20px;
    position: sticky;
    top: var(--gn-admin-offset, 0px);
    z-index: 100;
    width: 100%;
    margin-bottom: 0;
    color: var(--gn-color-green-800);
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, .98) 0,
        rgba(255, 255, 255, .98) calc(100% - var(--gn-divider-header-inset)),
        var(--gn-color-green-800) calc(100% - var(--gn-divider-header-inset)),
        var(--gn-color-green-800) 100%
    );
    border-bottom: 1px solid var(--gn-color-border);
    box-shadow: 0 3px 14px rgba(47, 63, 47, .06);
    font-family: var(--gn-font-sans);
}

/* The page-entrance edge is a sibling so it leaves when the navigation sticks. */
.gnpc-header-divider {
    position: relative;
    z-index: 2;
    height: 32px;
    background: var(--gn-color-canvas);
    pointer-events: none;
}

/* City heroes provide their own color behind the transparent torn fibers. */
.gnpc-header-divider:has(+ main > :is(.fg-hero, .gf-hero, .hb-hero)) {
    background: transparent;
}

.gnpc-header-divider::after {
    content: "";
    position: absolute;
    top: -12px;
    right: 0;
    left: 0;
    height: 45px;
    background:
        linear-gradient(104deg, rgba(255, 255, 255, .045), transparent 34%, rgba(0, 0, 0, .07) 78%, transparent),
        var(--gn-color-green-800);
    /* Source-derived alpha mask: keep enough native width on narrow screens
       to preserve the fine fibrous detail instead of compressing it away. */
    -webkit-mask-image: url("../images/header-organic-divider-mask.webp");
    -webkit-mask-position: center top;
    -webkit-mask-size: max(100%, 1200px) 100%;
    mask-image: url("../images/header-organic-divider-mask.webp");
    mask-position: center top;
    mask-size: max(100%, 1200px) 100%;
    pointer-events: none;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__inner {
    display: flex;
    align-items: center;
    max-width: var(--gn-content-width);
    min-height: 82px;
    margin: 0 auto;
    padding: 10px 20px;
    gap: 28px;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__logo {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: inherit;
    text-decoration: none;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__logo img {
    display: block;
    width: auto;
    height: 112px;
    max-width: 112px;
    object-fit: contain;
    transform: translateY(10px);
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: 0;
    gap: clamp(18px, 2.4vw, 34px);
    list-style: none;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links a {
    position: relative;
    padding: 10px 0;
    color: var(--gn-color-green-800);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 4px;
    left: 0;
    height: 2px;
    background: var(--gn-color-orange-500);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .2s ease;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links a:hover::after,
.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links a:focus-visible::after {
    transform: scaleX(1);
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__call {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 46px;
    padding: 0 22px;
    color: var(--gn-color-surface);
    background: var(--gn-color-green-800);
    border: 1px solid var(--gn-color-green-800);
    border-radius: var(--gn-radius-control);
    box-shadow: 0 4px 12px rgba(6, 59, 34, .18);
    font-size: 15px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__call:hover {
    color: var(--gn-color-surface);
    box-shadow: 0 6px 16px rgba(6, 59, 34, .25);
    opacity: .95;
    transform: translateY(-1px);
}

@media (max-width: 900px) {
    .gnpc-site-nav.gnpc-site-nav {
        --gn-divider-header-inset: 17px;
    }

    .gnpc-header-divider {
        height: 30px;
    }

    .gnpc-header-divider::after {
        top: -11px;
        height: 41px;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__inner {
        flex-wrap: wrap;
        gap: 8px 20px;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__logo img {
        height: 94px;
        max-width: 94px;
        transform: none;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links {
        order: 3;
        flex: 0 0 100%;
        justify-content: flex-start;
        overflow-x: auto;
        gap: 24px;
        padding: 2px 0;
        scrollbar-width: thin;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__call {
        margin-left: auto;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links a {
        display: inline-flex;
        align-items: center;
        box-sizing: border-box;
        min-height: 44px;
    }
}

@media (max-width: 520px) {
    .gnpc-site-nav.gnpc-site-nav {
        --gn-divider-header-inset: 16px;
    }

    .gnpc-header-divider {
        height: 28px;
    }

    .gnpc-header-divider::after {
        top: -10px;
        height: 38px;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__inner {
        padding-right: 16px;
        padding-left: 16px;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__logo img {
        height: 82px;
        max-width: 82px;
        transform: none;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__call {
        min-height: 42px;
        padding: 0 17px;
        font-size: 14px;
    }

    .gnpc-site-nav.gnpc-site-nav .gnpc-site-nav__links a {
        font-size: 14px;
    }
}