/* Shared Mattelinn header and footer, used by the front page and every tool. */

:root {
    --ml-bg: #ffffff;
    --ml-ink: #111111;
    --ml-soft: #5b5b5b;
    --ml-muted: #8a8a8a;
    --ml-rule: #e2e2e2;
    --ml-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --ml-serif: "Newsreader", "Iowan Old Style", Georgia, serif;
    --ml-edge: clamp(16px, 2.2vw, 28px);
    --tool: #111111;
}

.site-header {
    position: relative;
    z-index: 50;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 20px var(--ml-edge);
    background: var(--ml-bg);
    color: var(--ml-ink);
    font-family: var(--ml-sans);
}

.site-header .logo {
    display: block;
    flex-shrink: 0;
    line-height: 0;
}

.site-header .logo img {
    display: block;
    width: clamp(140px, 16vw, 190px);
    height: auto;
}

.site-header__meta {
    margin: 0;
    font-family: var(--ml-serif);
    font-style: italic;
    font-weight: 300;
    font-size: 1rem;
    color: var(--ml-soft);
    text-align: right;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: baseline;
    gap: 0 0.3em;
    font-family: var(--ml-serif);
    font-style: italic;
    font-weight: 300;
    font-size: 1.05rem;
    line-height: 1.35;
}

.site-nav a {
    color: var(--ml-soft);
    text-decoration: none;
}

.site-nav a:not(:last-child)::after {
    content: ",";
    display: inline-block;
    color: var(--ml-soft);
    font-family: var(--ml-serif);
    font-style: italic;
    font-weight: 300;
}

.site-nav a:hover {
    color: var(--ml-ink);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.site-nav a[aria-current="page"] {
    color: var(--ml-ink);
    font-family: var(--ml-sans);
    font-style: normal;
    font-weight: 600;
    font-size: 0.95rem;
}

.site-header a:focus-visible,
.site-menu-toggle:focus-visible,
.site-footer a:focus-visible {
    outline: 2px solid var(--ml-ink);
    outline-offset: 3px;
}

.site-menu-toggle {
    display: none;
    border: 0;
    background: none;
    padding: 0.25rem 0;
    font-family: var(--ml-serif);
    font-style: italic;
    font-weight: 300;
    font-size: 1.15rem;
    color: var(--ml-ink);
    cursor: pointer;
}

@media (max-width: 899.98px) {
    .site-menu-toggle {
        display: inline-block;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.15rem;
        padding: 4px var(--ml-edge) 24px;
        background: var(--ml-bg);
        border-bottom: 1px solid var(--ml-ink);
        font-size: 1.7rem;
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a:not(:last-child)::after {
        content: none;
    }

    .site-nav a[aria-current="page"] {
        font-size: 1.55rem;
    }
}

.site-footer {
    box-sizing: border-box;
    width: 100%;
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem 2rem;
    padding: clamp(64px, 10vw, 128px) var(--ml-edge) 24px;
    font-family: var(--ml-sans);
    font-size: 0.9rem;
    color: var(--ml-soft);
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: var(--ml-ink);
    font-family: var(--ml-serif);
    font-style: italic;
    font-size: 1.05rem;
}