:root {
    /* Natte polderklei */
    --klei:        #7A716A;
    --klei-dark:   #5C554E;
    --klei-light:  #9B9187;
    /* Warm oker/goud accent */
    --accent:      #C4A24E;
    --accent-light:#D9BE6E;
    --accent-dim:  #A6883F;
    /* Donkere aarde */
    --aarde:       #1D1B18;
    --aarde-mid:   #2E2B26;
    /* Lichte tinten */
    --creme:       #EFEBE4;
    --creme-dark:  #DDD6CA;
    --wit:         #FAFAF8;
    /* Tekst */
    --tekst:       #2A2725;
    --tekst-licht: #6B6560;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--tekst);
    background: var(--creme);
    line-height: 1.65;
    font-size: 17px;
}

h1, h2, h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-weight: 400;
    line-height: 1.15;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(29, 27, 24, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: 'DM Serif Display', serif;
    color: var(--creme);
    font-size: 1.25rem;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--creme-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-light);
}

/* ── HERO ── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--aarde);
    color: var(--creme);
    padding: 8rem 2rem 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 45%;
    background: linear-gradient(to top, var(--klei-dark), transparent);
    opacity: 0.1;
    pointer-events: none;
}

.hero-inner {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    margin-bottom: 1.5rem;
    color: var(--creme);
}

.hero h1 em {
    font-style: italic;
    color: var(--accent-light);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    line-height: 1.6;
    color: var(--creme-dark);
    max-width: 620px;
    margin-bottom: 2.5rem;
}

.hero-tagline {
    font-family: 'DM Serif Display', serif;
    font-style: italic;
    font-size: 1.15rem;
    color: var(--accent);
    border-left: 3px solid var(--accent-dim);
    padding-left: 1.25rem;
}

/* ── SECTIONS COMMON ── */
section {
    padding: 6rem 2rem;
}

.section-inner {
    max-width: 900px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-dim);
    margin-bottom: 1rem;
}

section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    color: var(--aarde);
}

section p {
    color: var(--tekst-licht);
    max-width: 680px;
}

section p + p {
    margin-top: 1rem;
}

/* ── MISSIE ── */
.missie {
    background: var(--creme);
}

.missie-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.missie-item {
    padding: 2rem;
    background: var(--wit);
    border-radius: 6px;
    border: 1px solid var(--creme-dark);
}

.missie-item h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--aarde);
}

.missie-item p {
    font-size: 0.95rem;
}

/* ── WAAROM ── */
.waarom {
    background: var(--aarde);
    color: var(--creme);
}

.waarom h2 {
    color: var(--creme);
}

.waarom p {
    color: var(--creme-dark);
}

.waarom-highlight {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    color: var(--accent-light);
    margin: 2.5rem 0;
    line-height: 1.35;
}

.waarom-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: 'DM Serif Display', serif;
    font-size: 2.5rem;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--creme-dark);
    margin-top: 0.3rem;
    display: block;
}

/* ── DOSSIERS / ONDERZOEK ── */
.onderzoek {
    background: var(--creme);
}

.onderzoek-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

.onderzoek-card {
    padding: 2rem;
    background: var(--wit);
    border-radius: 6px;
    border: 1px solid var(--creme-dark);
    border-left: 4px solid var(--klei);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.onderzoek-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(29, 27, 24, 0.08);
}

.onderzoek-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
    color: var(--aarde);
}

.onderzoek-card p {
    font-size: 0.92rem;
    line-height: 1.55;
}

.dossier-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    margin-bottom: 0.75rem;
}

.dossier-status--idee {
    background: var(--creme-dark);
    color: var(--tekst);
}

.dossier-status--vooronderzoek {
    background: var(--klei-light);
    color: var(--aarde);
}

.dossier-status--gepland {
    background: var(--klei);
    color: var(--creme);
}

.dossier-status--lopend {
    background: var(--accent);
    color: var(--aarde);
}

.dossier-status--eindredactie {
    background: var(--accent-dim);
    color: var(--creme);
}

.dossier-status--gepubliceerd {
    background: var(--aarde);
    color: var(--creme);
}

/* Gelakte tekst (investigating in public) */
.gelakt {
    background: var(--aarde);
    color: var(--aarde);
    padding: 0 0.2em;
    border-radius: 2px;
    transition: background 0.3s, color 0.3s;
    cursor: default;
}

.gelakt:hover {
    background: var(--aarde);
    color: var(--aarde);
}

.gelakt--onthuld {
    background: transparent;
    color: inherit;
}

/* ── OVER ONS ── */
.over-ons {
    background: var(--wit);
}

.over-ons-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 2rem;
}

.over-ons-text p {
    margin-bottom: 1rem;
}

.over-ons-aside {
    background: var(--creme);
    padding: 2rem;
    border-radius: 6px;
}

.over-ons-aside h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--aarde);
}

.werkwijze-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
    align-items: flex-start;
}

.werkwijze-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--klei);
    color: var(--creme);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    flex-shrink: 0;
}

.werkwijze-item p {
    font-size: 0.92rem;
}

.werkwijze-item strong {
    color: var(--aarde);
}

/* ── PAGE CONTENT (single pages, dossiers) ── */
.page-header {
    background: var(--aarde);
    color: var(--creme);
    padding: 8rem 2rem 4rem;
}

.page-header .section-inner {
    max-width: 900px;
    margin: 0 auto;
}

.page-header h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    color: var(--creme);
    margin-bottom: 1rem;
}

.page-header p {
    color: var(--creme-dark);
    max-width: 600px;
    font-size: 1.1rem;
}

.page-content {
    padding: 4rem 2rem;
}

.page-content .section-inner {
    max-width: 740px;
    margin: 0 auto;
}

.page-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.page-content h3 {
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.page-content p {
    margin-bottom: 1rem;
}

.page-content ul, .page-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--tekst-licht);
}

.page-content li {
    margin-bottom: 0.4rem;
}

/* ── CONTACT ── */
.contact {
    background: var(--aarde);
    color: var(--creme);
    text-align: center;
    padding: 5rem 2rem;
}

.contact h2 {
    color: var(--creme);
    margin-bottom: 1rem;
}

.contact p {
    color: var(--creme-dark);
    max-width: 500px;
    margin: 0 auto 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.contact-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: color 0.2s;
}

.contact-link:hover {
    color: var(--creme);
}

.contact-name {
    font-family: 'DM Serif Display', serif;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--creme);
}

/* ── FOOTER ── */
footer {
    background: var(--aarde);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.5rem 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--tekst-licht);
}

footer a {
    color: var(--klei-light);
    text-decoration: none;
}

footer a:hover {
    color: var(--accent);
}

/* ── DIVIDER ── */
.clay-line {
    height: 4px;
    background: linear-gradient(90deg, var(--klei-dark), var(--klei-light), var(--klei-dark));
    border: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    section {
        padding: 4rem 1.5rem;
    }

    .missie-grid,
    .onderzoek-grid,
    .over-ons-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .waarom-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .hero {
        padding: 7rem 1.5rem 4rem;
        min-height: 90vh;
    }

    .page-header {
        padding: 6rem 1.5rem 3rem;
    }

    .over-ons-content {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }

    nav {
        justify-content: center;
    }
}
