/* -------------------------------------------------------------------------- */
/* sticky topnav height */
/* (JS may refine this at runtime based on actual rendered size) */
:root {
    --header-h: 56px;           /* mobile */
    --anchor-gap: 16px;         /* room under the header when jumping */
}
@media (min-width: 48rem) {
    :root { --header-h: 64px; } /* desktop */
}

/* -------------------------------------------------------------------------- */
/* page layout */

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

main > .container > section {
    padding: var(--space-8) 0;
    border-top: 1.5px solid var(--neutral-border);
}
main > .container > section:first-child {
    border-top: 0;
}

/* -------------------------------------------------------------------------- */
/* bands */

.band {
    padding-block: var(--space-8);
}
.band--tint {
    background: var(--accent-muted-bg);
    border-block: 1.5px solid var(--neutral-border);
    padding-left: var(--space-8) !important;
}

/* -------------------------------------------------------------------------- */
/* header & footer */

.site-header {
    /* fixed position at the of page */
    min-height: var(--header-h);
    position: sticky;
    top: 0;
    z-index: 20;

    background: var(--navbar);
    color: var(--navbar-text);
    border-bottom: 1.5px solid var(--neutral-border);

    font-family: var(--font-sans);
    font-size: var(--font-size-small);
}

.site-header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
}

@media (max-width: 72rem){      /* NB should match --maxw but variables dont resolve here*/
    .site-header nav {
        padding: var(--space-3) var(--space-3);
    }
}

.site-header nav a {
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    color: var(--navbar-text);
    /* background-image: linear-gradient(transparent 30%, color-mix(in srgb, var(--navbar-text) 40%, transparent)); */
    background-image: none;
    text-decoration: none;
}
.site-header nav a:hover {
    background: color-mix(in srgb, var(--navbar-text) 20%, transparent);
    box-shadow: 0 0 25px color-mix(in srgb, var(--navbar-text) 50%, transparent);
    text-decoration: none;
}



.site-header a.btn-primary:hover {
    background: var(--brand-400);
}

.site-header a.btn-primary:active {
    background: var(--brand-300);
}

.site-header ul { display: flex; gap: var(--space-4); list-style: none; margin: 0; padding: 0; }
.site-header li { display: flex; align-items: center; }

.footer .container { display: flex; flex-direction: column; gap: var(--space-2); }
@media (min-width: 48rem) {
    .footer .container { flex-direction: row; justify-content: space-between; align-items: center; }
}

.footer {
    margin-top: var(--space-7);
    padding: var(--space-6) 0;
    color: var(--muted-text);
    border-top: 1.5px solid var(--neutral-border);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-light);
}

/* -------------------------------------------------------------------------- */
/* hero section */

section#hero {
    padding: clamp(3rem, 8vw, 8rem) 0;
}
section#hero .subhead {
    margin-top: var(--space-3);
}

/* Utilities --------------------------------------------------------------- */

.no-wrap { white-space: nowrap; }

.indent {margin-left: var(--space-8);}
.indent-half {margin-left: var(--space-6);}

.center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }  /* optional, handy */

.lead {
    font-size: var(--font-size-large);
    color: var(--muted-text);
    font-weight: var(--font-weight-light);
}
.muted { color: var(--muted-text); }

.max-read { max-width: var(--readw); }
.read { width: var(--readw); }
.max-w-720 { max-width: 720px; }
.fit { width: fit-content; max-width: 100%; }

.spacer { height: var(--space-6); }

@media (max-width: 950px) {
    .hide-tablet {
        display: none!important;
    }
}

@media (max-width: 600px) {
    .hide-mobile {
        display: none!important;
    }
}

.wordspace {
    margin-right: var(--all-caps-word-space);
}