:root {
    --header-bg-color: #2f5d50;
    --text-color-dark: #fff;
    --accent-color: #659a2f;
    --section-bg-white: #fff;
    --section-bg-mint: #659e8a2f;
    --section-bg-mint-solid: #659e8a;
    --nav-font: "Roboto", sans-serif;
    --heading-font: "Roboto", sans-serif;
    --focus: var(--accent-color);
    --brand-gap: 14px;
    --brand-icon: 50px;
    --brand-title-size: 20px;
    --brand-tagline-size: 12px;
    --brand-title-track: 0.06em;
    --brand-title-lineheight: 1.05;
    --brand-stack-gap: 5px;
    --brand-nudge-y: 6px;
    --hover-delay: 150ms;
    --transition-speed: 0.18s
}

*,
:after,
:before {
    box-sizing: border-box
}

body,
html {
    margin: 0;
    padding: 0
}

body {
    font-family: var(--nav-font);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    padding-top: 90px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%
}

.brand-text {
    gap: var(--brand-stack-gap);
    transform: translateY(var(--brand-nudge-y))
}

.site-header {
    background: var(--header-bg-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, .08);
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 3000;
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0.0, 0.2, 1),
        background-color 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* Enhanced shadow when scrolled */
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    background: rgba(47, 93, 80, 0.95);
}

.header-container {
    margin: 0 auto;
    max-width: 1400px;
    padding: 12px 24px;
    width: 100%
}

.nav-rail {
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    gap: clamp(16px, 3vw, 48px);
    grid-template-columns: auto 1fr auto;
    padding: 16px 13px
}

.brand,
.nav-rail {
    align-items: center;
    display: grid
}

.brand {
    color: var(--text-color-dark);
    gap: var(--brand-gap);
    grid-auto-flow: column;
    text-decoration: none
}

.brand-mark {
    display: block;
    height: var(--brand-icon);
    width: auto
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1
}

.brand-title {
    color: var(--text-color-dark);
    font-family: var(--heading-font);
    font-size: var(--brand-title-size);
    font-weight: 900;
    letter-spacing: var(--brand-title-track);
    line-height: var(--brand-title-lineheight)
}

.brand-tagline {
    color: rgba(254, 255, 255, .9);
    font-size: var(--brand-tagline-size);
    font-weight: 400
}

.brand-tagline,
.nav-toggle {
    font-family: var(--nav-font)
}

.nav-toggle {
    background: transparent;
    border: 1px solid rgba(47, 93, 80, .25);
    border-radius: 10px;
    color: var(--text-color-dark);
    cursor: pointer;
    display: none;
    font-weight: 800;
    padding: 10px 12px;
    transition: background-color var(--transition-speed)
}

.nav-toggle:hover {
    background: hsla(0, 0%, 100%, .1)
}

.nav-toggle:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px
}

.nav-list {
    align-items: center;
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0
}

.toplink {
    appearance: none;
    background: transparent;
    border: 0;
    border-radius: 8px;
    color: var(--text-color-dark);
    cursor: pointer;
    font-family: var(--nav-font);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.1;
    padding: 8px 4px;
    transition: color var(--transition-speed), box-shadow var(--transition-speed)
}

.toplink:focus-visible,
.toplink:hover {
    box-shadow: inset 0 -3px 0 var(--accent-color);
    color: var(--text-color-dark)
}

.has-mega {
    position: relative
}

.has-mega.open>.toplink {
    box-shadow: inset 0 -3px 0 var(--accent-color);
    color: var(--text-color-dark)
}

.mega {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 10px;
    border-top: 3px solid var(--accent-color);
    box-shadow: 0 22px 50px rgba(0, 0, 0, .22);
    color: #0d1f1a;
    display: none;
    left: 50%;
    min-width: clamp(280px, 30vw, 450px);
    padding: 14px 16px;
    position: absolute;
    top: 100%;
    transform: translateX(-50%);
    z-index: 4000
}

.mega a {
    border-radius: 8px;
    color: #0d1f1a;
    display: block;
    font-family: var(--nav-font);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    padding: 8px 6px;
    text-decoration: none;
    transition: background-color var(--transition-speed)
}

.mega a:focus-visible,
.mega a:hover,
.mega a.active-page {
    background: rgba(101, 154, 47, .1);
    color: #0d1f1a;
    font-weight: 600;
    /* Make it bold to stand out */
}

/* Optional: Highlight the parent toplink if a child is active */
.toplink.active-parent {
    color: var(--accent-color);
    font-weight: 700;
}

.has-mega.open>.mega {
    display: block
}

@media (max-width:980px) {
    .nav-rail {
        gap: 14px;
        grid-template-columns: 1fr auto;
        padding: 12px 18px
    }

    .nav {
        display: none;
        grid-column: 1/-1
    }

    .nav.open {
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
        display: block;
        margin-top: 8px;
        padding: 12px 16px 16px
    }

    .nav-toggle {
        display: inline-flex
    }

    .nav-list {
        align-items: stretch;
        flex-direction: column;
        gap: 2px;
        padding: 0;
        white-space: normal
    }

    .nav.open .toplink {
        color: #0d1f1a;
        font-size: 16px;
        font-weight: 600;
        padding: 14px 12px;
        text-align: left;
        transition: background-color .2s ease;
        width: 100%
    }

    .nav.open .toplink:active,
    .nav.open .toplink:focus-visible,
    .nav.open .toplink:hover {
        background: rgba(47, 93, 80, .12);
        box-shadow: none;
        color: #0d1f1a
    }

    .nav.open .has-mega.open>.toplink {
        background: rgba(101, 154, 47, .15);
        box-shadow: none;
        color: #0d1f1a
    }

    .mega {
        border-radius: 8px;
        box-shadow: none;
        left: auto;
        margin: 6px 0 12px;
        max-height: 65vh;
        max-width: 100vw;
        min-width: 0;
        overflow-y: auto;
        position: static;
        right: auto;
        transform: none
    }
}

@media (min-width:981px) {
    .nav-list {
        column-gap: clamp(12px, 2.2vw, 40px);
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: center;
        row-gap: 0;
        white-space: nowrap
    }
}

@media (max-width:480px) {
    :root {
        --brand-icon: 40px;
        --brand-title-size: 24px;
        --brand-tagline-size: 13px
    }

    .brand-tagline {
        display: none
    }
}

.sr-only {
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    clip: rect(0, 0, 0, 0);
    border: 0;
    white-space: nowrap
}

@media (min-width:981px) {
    :root {
        --header-offset: 72px
    }

    .header-container {
        padding-block: 6px
    }

    .nav-rail {
        padding-block: 8px
    }

    .toplink {
        padding-block: 6px
    }

    body {
        padding-top: var(--header-offset)
    }
}