/* Nederland Vergrijst — Stylesheet v2.0 (Hugo) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary: #2B3A55;
    --color-primary-dark: #1D2840;
    --color-accent: #C49A6C;
    --color-warm: #A67C5A;
    --color-text: #1F2937;
    --color-light: #FAF9F7;
    --color-white: #FFFFFF;
    --color-muted: #64748B;
    --color-border: #E2E0DC;
    --font-display: 'Libre Baskerville', Georgia, serif;
    --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
    --max-width: 960px;
    --max-width-content: 720px;
}

html { font-size: 18px; scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background-color: var(--color-light);
    color: var(--color-text);
    line-height: 1.7;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; height: auto; display: block; }


/* Skip link */
.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--color-primary); color: white;
    padding: 0.5rem 1rem; z-index: 1000; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    position: sticky; top: 0; z-index: 100;
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem;
}
.site-logo {
    font-family: var(--font-display);
    font-size: 1.35rem; font-weight: 700;
    color: var(--color-primary);
}
.site-logo:hover { text-decoration: none; }
.site-nav ul { list-style: none; display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-nav a {
    font-size: 0.9rem; font-weight: 600;
    color: var(--color-muted); transition: color 0.2s;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--color-primary); text-decoration: none; }

/* Hamburger menu */
.menu-toggle {
    display: none; background: none; border: none; cursor: pointer;
    padding: 0.5rem; width: 44px; height: 44px;
}
.hamburger, .hamburger::before, .hamburger::after {
    display: block; width: 22px; height: 2px;
    background: var(--color-text); border-radius: 2px;
    transition: transform 0.3s;
}
.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }
.menu-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.menu-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg); top: 0; }
.menu-toggle[aria-expanded="true"] .hamburger::after { transform: rotate(-45deg); top: 0; }


/* Main content */
main { max-width: var(--max-width); margin: 0 auto; padding: 2rem 1.5rem; }
.content-narrow { max-width: var(--max-width-content); margin: 0 auto; }

/* Hero */
.hero { text-align: center; padding: 3rem 1rem 2rem; }
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--color-primary);
    margin-bottom: 0.75rem; letter-spacing: -0.02em;
}
.hero .lead {
    font-size: 1.15rem; color: var(--color-muted);
    font-weight: 300; max-width: 600px; margin: 0 auto;
}

/* Category grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem; margin: 2rem 0;
}
.category-card {
    background: var(--color-white); border-radius: 12px;
    padding: 1.75rem; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid var(--color-border);
    transition: box-shadow 0.2s, transform 0.2s;
}
.category-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); text-decoration: none; }
.category-card h2 {
    font-family: var(--font-display);
    font-size: 1.15rem; color: var(--color-primary); margin-bottom: 0.5rem;
}
.category-card p { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 0.5rem; }
.category-card .article-count { font-size: 0.85rem; font-weight: 600; color: var(--color-accent); }

/* Article list */
.article-list { list-style: none; margin: 1.5rem 0; }
.article-list li { border-bottom: 1px solid var(--color-border); padding: 1.25rem 0; }
.article-list li:last-child { border-bottom: none; }
.article-list h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.35rem; }
.article-list h3 a { color: var(--color-text); }
.article-list h3 a:hover { color: var(--color-primary); }
.article-meta { font-size: 0.85rem; color: var(--color-muted); }
.article-excerpt { font-size: 0.95rem; color: var(--color-muted); margin-top: 0.35rem; }

/* Recent articles section */
.recent-articles { margin-top: 2rem; }
.recent-articles h2 {
    font-family: var(--font-display); font-size: 1.4rem;
    color: var(--color-primary); margin-bottom: 0.5rem;
}


/* Breadcrumb */
.breadcrumb { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { margin: 0 0.35rem; }

/* Full article */
article.full-article { padding-top: 0.5rem; }
article.full-article h1 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    color: var(--color-primary);
    margin-bottom: 0.5rem; line-height: 1.3;
}
article.full-article .article-meta {
    margin-bottom: 2rem; padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}
article.full-article .article-body h2 {
    font-family: var(--font-display);
    font-size: 1.3rem; color: var(--color-primary-dark);
    margin: 2rem 0 0.75rem;
}
article.full-article .article-body h3 { font-size: 1.1rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
article.full-article .article-body p { margin-bottom: 1rem; }
article.full-article .article-body ul,
article.full-article .article-body ol { margin: 0.75rem 0 1rem 1.5rem; }
article.full-article .article-body li { margin-bottom: 0.35rem; }
article.full-article .article-body strong { font-weight: 600; }
article.full-article .article-body blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 0.75rem 1.25rem; margin: 1.5rem 0;
    background: var(--color-white); border-radius: 0 8px 8px 0;
    color: var(--color-muted); font-style: italic;
}
article.full-article .article-body table {
    width: 100%; border-collapse: collapse; margin: 1.5rem 0;
    font-size: 0.95rem;
}
article.full-article .article-body th,
article.full-article .article-body td {
    padding: 0.6rem 0.8rem; border: 1px solid var(--color-border);
    text-align: left;
}
article.full-article .article-body th {
    background: var(--color-primary); color: white; font-weight: 600;
}
article.full-article .article-body tr:nth-child(even) { background: var(--color-white); }

/* Table of contents */
.toc {
    background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: 8px; padding: 1.25rem 1.5rem; margin-bottom: 2rem;
}
.toc h2 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; margin-bottom: 0.5rem; }
.toc ul { list-style: none; padding-left: 0; }
.toc li { margin-bottom: 0.25rem; }
.toc a { font-size: 0.9rem; color: var(--color-muted); }
.toc a:hover { color: var(--color-primary); }
.toc ul ul { padding-left: 1rem; }

/* Sources */
.article-sources {
    margin-top: 2rem; padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}
.article-sources h2 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.article-sources ul { padding-left: 1.25rem; font-size: 0.9rem; color: var(--color-muted); }

/* Related articles */
.related-articles {
    margin-top: 2.5rem; padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}
.related-articles h2 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.5rem; }


/* Back link */
.back-link { display: inline-block; margin-top: 2rem; font-weight: 600; font-size: 0.95rem; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 2rem 1.5rem; margin-top: 3rem;
    text-align: center; color: var(--color-muted); font-size: 0.85rem;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-nav { margin-top: 0.75rem; }
.footer-nav a { color: var(--color-muted); margin: 0 0.75rem; }
.footer-nav a:hover { color: var(--color-primary); }

/* Taxonomy/section description */
.taxonomy-description, .section-description {
    font-size: 1.05rem; color: var(--color-muted); margin-bottom: 1.5rem;
}

/* === ACCESSIBILITY PANEL === */

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

.a11y-panel {
    position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 200;
    font-family: var(--font-body);
}
.a11y-toggle {
    width: 52px; height: 52px; border-radius: 50%;
    background: var(--color-primary); color: white; border: none;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 3px 12px rgba(0,0,0,0.2);
    transition: background 0.2s, transform 0.2s;
}
.a11y-toggle:hover { background: var(--color-primary-dark); transform: scale(1.05); }
.a11y-options {
    position: absolute; bottom: 64px; right: 0;
    background: var(--color-white); border-radius: 12px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.15);
    border: 1px solid var(--color-border);
    padding: 1rem 1.25rem; width: 260px;
}
.a11y-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.75rem; color: var(--color-primary); }
.a11y-option {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.5rem 0; border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
}
.a11y-option span { color: var(--color-text); }
.a11y-buttons { display: flex; gap: 0.35rem; }
.a11y-buttons button, .a11y-option > button {
    background: var(--color-light); border: 1px solid var(--color-border);
    border-radius: 6px; padding: 0.3rem 0.65rem; cursor: pointer;
    font-size: 0.85rem; font-weight: 600; color: var(--color-text);
    transition: background 0.2s, color 0.2s;
}
.a11y-buttons button:hover, .a11y-option > button:hover {
    background: var(--color-primary); color: white; border-color: var(--color-primary);
}
.a11y-option > button[aria-checked="true"] {
    background: var(--color-primary); color: white; border-color: var(--color-primary);
}

/* High contrast mode */
html.high-contrast {
    --color-light: #111318;
    --color-text: #F5F0E8;
    --color-white: #1C1F26;
    --color-muted: #B8B0A4;
    --color-border: #4A4640;
}
html.high-contrast .site-header { background: #111318; border-bottom: 1px solid #4A4640; }
html.high-contrast .site-logo { color: #E8C99B; }
html.high-contrast a { color: #E8C99B; }
html.high-contrast a:hover { color: #F2D9B1; }
html.high-contrast .category-card {
    background: #1C1F26; border-color: #4A4640;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
html.high-contrast .category-card:hover {
    border-color: #C49A6C; box-shadow: 0 4px 16px rgba(196,154,108,0.15);
}
html.high-contrast .category-card h2 { color: #E8C99B; }
html.high-contrast .category-card p { color: #B8B0A4; }
html.high-contrast .category-card .article-count { color: #C49A6C; }
html.high-contrast .hero { background: #1C1F26; }
html.high-contrast .hero h1 { color: #F5F0E8; }
html.high-contrast .hero .lead { color: #B8B0A4; }
html.high-contrast .site-nav a { color: #B8B0A4; }
html.high-contrast .site-nav a:hover,
html.high-contrast .site-nav a[aria-current="page"] { color: #E8C99B; }
html.high-contrast .article-list h3 a { color: #F5F0E8; }
html.high-contrast .article-list h3 a:hover { color: #E8C99B; }
html.high-contrast .site-footer { background: #111318; border-top-color: #4A4640; }
html.high-contrast .footer-nav a { color: #B8B0A4; }
html.high-contrast .footer-nav a:hover { color: #E8C99B; }
html.high-contrast .toc { background: #1C1F26; border-color: #4A4640; }
html.high-contrast article.full-article .article-body blockquote { background: #1C1F26; border-left-color: #C49A6C; }
html.high-contrast article.full-article .article-body th { background: #2B3A55; color: #F5F0E8; }
html.high-contrast article.full-article .article-body td { border-color: #4A4640; }
html.high-contrast article.full-article .article-body tr:nth-child(even) { background: #1C1F26; }
html.high-contrast .a11y-options { background: #1C1F26; border-color: #4A4640; }
html.high-contrast .a11y-buttons button,
html.high-contrast .a11y-option > button { background: #282C34; border-color: #4A4640; color: #F5F0E8; }
html.high-contrast .a11y-buttons button:hover,
html.high-contrast .a11y-option > button:hover { background: #C49A6C; color: #111318; border-color: #C49A6C; }
html.high-contrast .a11y-toggle { background: #C49A6C; color: #111318; }
html.high-contrast h2, html.high-contrast h3, html.high-contrast h4 { color: #F5F0E8; }
html.high-contrast .recent-articles h2 { color: #E8C99B; }

/* === ANIMATIONS === */

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered fade for lists */
.stagger-in > * {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.stagger-in > *.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero entrance */
.hero h1 {
    animation: heroFadeIn 0.8s ease-out both;
}
.hero .lead {
    animation: heroFadeIn 0.8s ease-out 0.2s both;
}
@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Category card hover enhancement */
.category-card {
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}
.category-card:hover {
    box-shadow: 0 8px 24px rgba(43,58,85,0.14);
    transform: translateY(-3px);
    border-color: var(--color-accent);
}

/* Article list item hover */
.article-list li {
    transition: background-color 0.2s ease, padding-left 0.2s ease;
    border-radius: 6px;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}
.article-list li:hover {
    background-color: var(--color-white);
    padding-left: 1rem;
}

/* Smooth nav link underline */
.site-nav a {
    position: relative;
}
.site-nav a::after {
    content: '';
    position: absolute; bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
    width: 100%;
}

/* Back link arrow animation */
.back-link {
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-block;
}
.back-link:hover {
    transform: translateX(-4px);
    text-decoration: none;
}

/* Breadcrumb separator subtle animation */
.breadcrumb a {
    transition: color 0.2s ease;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .fade-in, .stagger-in > * {
        opacity: 1; transform: none;
    }
}

/* Responsive */
@media (max-width: 700px) {
    html { font-size: 16px; }
    .menu-toggle { display: flex; align-items: center; justify-content: center; }
    .site-nav { display: none; width: 100%; }
    .site-nav.is-open {
        display: block; position: absolute; top: 100%; left: 0; right: 0;
        background: var(--color-white); border-bottom: 1px solid var(--color-border);
        padding: 1rem 1.5rem; box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }
    .site-nav.is-open ul { flex-direction: column; gap: 0.75rem; }
    .site-nav.is-open a { font-size: 1rem; }
    .site-header { position: relative; }
    main { padding: 1.5rem 1rem; }
    .category-grid { grid-template-columns: 1fr; }
    .hero { padding: 2rem 0.5rem 1.5rem; }
}

/* Partner-blokken */
.promo-block { margin: 2rem 0; }
.promo-label {
    display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--color-muted); margin-bottom: 0.5rem; font-weight: 600;
}
.promo-card {
    display: flex; align-items: flex-start; gap: 1rem;
    padding: 1.25rem; background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: 10px; text-decoration: none; color: var(--color-text);
    transition: box-shadow 0.2s, border-color 0.2s;
    border-left: 3px solid var(--promo-color, var(--color-primary));
}
.promo-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08); border-color: var(--promo-color, var(--color-primary));
    text-decoration: none;
}
.promo-logo, .promo-logo-sm {
    flex-shrink: 0; color: white; font-family: var(--font-display);
    display: flex; align-items: center; justify-content: center; font-weight: 700;
    border-radius: 8px;
}
.promo-logo { width: 52px; height: 52px; font-size: 1.5rem; }
.promo-logo-sm { width: 40px; height: 40px; font-size: 1.15rem; }
.promo-content { flex: 1; }
.promo-title { font-size: 0.95rem; color: var(--color-text); display: block; margin-bottom: 0.25rem; }
.promo-desc { font-size: 0.85rem; color: var(--color-muted); margin: 0; line-height: 1.5; }
.promo-cta {
    display: inline-block; margin-top: 0.4rem;
    font-size: 0.8rem; font-weight: 600; color: var(--promo-color, var(--color-primary));
}
.promo-card-small { padding: 1rem; }
.promo-card-small + .promo-card-small { margin-top: 0.75rem; }
.promo-card-small .promo-title { font-size: 0.85rem; }
.promo-card-small .promo-desc { font-size: 0.8rem; }

/* Banner partner */
.promo-banner { max-width: var(--max-width); margin: 2rem auto; padding: 0 1rem; }
.promo-banner-inner {
    display: flex; align-items: center; gap: 1.25rem;
    padding: 1.25rem 1.5rem; background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: 10px; text-decoration: none; color: var(--color-text);
    transition: box-shadow 0.2s;
}
.promo-banner-inner:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); text-decoration: none; }
.promo-banner-logo {
    flex-shrink: 0; width: 48px; height: 48px; border-radius: 8px;
    color: white; font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.promo-banner-content { flex: 1; }
.promo-banner-content strong { font-size: 0.95rem; display: block; margin-bottom: 0.2rem; color: var(--color-primary); }
.promo-banner-content p { font-size: 0.85rem; color: var(--color-muted); margin: 0; line-height: 1.5; }
.promo-banner-cta {
    flex-shrink: 0; font-size: 0.85rem; font-weight: 600;
    color: var(--color-primary); white-space: nowrap;
}

/* Artikel layout met sidebar partners */
.article-with-sidebar { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 960px) {
    .article-with-sidebar { grid-template-columns: 1fr 280px; max-width: 1080px; margin: 0 auto; padding: 0 1rem; }
}
.promo-sidebar { position: sticky; top: 2rem; }

/* High contrast partners */
html.high-contrast .promo-card, html.high-contrast .promo-banner-inner { background: var(--color-white); border-color: var(--color-border); }
html.high-contrast .promo-title { color: var(--color-text); }
html.high-contrast .promo-banner-content strong { color: #E8C99B; }

@media (max-width: 959px) {
    .promo-sidebar { display: none; }
    .promo-banner-inner { flex-direction: column; text-align: center; }
    .promo-banner-logo { margin: 0 auto; }
}

@media print {
    .promo-block { display: none; }
}

@media print {
    .site-header, .site-footer, .menu-toggle, .back-link, .related-articles { display: none; }
    main { max-width: 100%; padding: 0; }
    a { color: inherit; text-decoration: underline; }
}