:root {
    --color-nachtblauw: #0B1F3B;
    --color-koninklijkblauw: #1F66FF;
    --color-lichtgrijs: #F5F7FA;
    --color-accentoranje: #FF6F00;
    --color-donkergrijs: #2E2E2E;
    --color-wit: #FFFFFF;
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Source Serif Pro', serif;
    --container-width: 1200px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    color: var(--color-donkergrijs);
    background-color: var(--color-wit);
    line-height: 1.6;
}

a {
    color: var(--color-koninklijkblauw);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container.narrow {
    max-width: 860px;
}

.section {
    padding: 80px 0;
}

.section-alt {
    background-color: var(--color-lichtgrijs);
}

h1, h2, h3, h4 {
    font-family: var(--font-secondary);
    color: var(--color-nachtblauw);
    margin-top: 0;
}

h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 16px;
}

h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

ul {
    padding-left: 20px;
    margin-top: 0;
    margin-bottom: 16px;
}

.section-summary {
    margin-top: 24px;
    font-weight: 500;
}

.page-hero {
    text-align: center;
    background: linear-gradient(135deg, #0B1F3B 0%, #1F66FF 100%);
    color: var(--color-wit);
}

.page-hero h1,
.page-hero p {
    color: var(--color-wit);
}

.hero {
    background-color: var(--color-lichtgrijs);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-text .hero-subtext {
    font-size: 1.05rem;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-koninklijkblauw);
    color: var(--color-wit);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-accentoranje);
    color: var(--color-wit);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-koninklijkblauw);
    border-color: var(--color-koninklijkblauw);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-koninklijkblauw);
    color: var(--color-wit);
}

.hero-metrics {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.hero-metrics div {
    background-color: var(--color-wit);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(11, 31, 59, 0.08);
    flex: 1;
    min-width: 160px;
}

.metric-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accentoranje);
    display: block;
}

.metric-label {
    font-size: 0.95rem;
    color: var(--color-donkergrijs);
}

.keyword-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 40px;
    list-style: none;
    padding: 0;
}

.keyword-list li {
    background-color: var(--color-lichtgrijs);
    padding: 16px 20px;
    border-radius: 12px;
    border-left: 4px solid var(--color-accentoranje);
    font-weight: 500;
}

.two-column {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: center;
}

.two-column.reverse {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-column {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
}

.icon-list {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.icon-list > div {
    background-color: var(--color-lichtgrijs);
    padding: 20px;
    border-radius: 12px;
}

.checked-list {
    list-style: none;
    padding-left: 0;
}

.checked-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
}

.checked-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background-color: var(--color-koninklijkblauw);
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 20 20" fill="%23FFFFFF" xmlns="http://www.w3.org/2000/svg"><path d="M8.00039 13.172L4.82839 10L3.41439 11.414L8.00039 16L18.0004 6.00003L16.5864 4.58603L8.00039 13.172Z"/></svg>') center / contain no-repeat;
    mask-size: cover;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.stat-grid > div {
    background-color: var(--color-lichtgrijs);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-wit);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(11, 31, 59, 0.08);
}

.data-table th,
.data-table td {
    padding: 16px 20px;
    text-align: left;
}

.data-table thead {
    background-color: var(--color-nachtblauw);
    color: var(--color-wit);
}

.data-table tbody tr:nth-child(even) {
    background-color: #eef1f6;
}

.insight-note {
    margin-top: 24px;
    padding: 20px;
    border-left: 4px solid var(--color-koninklijkblauw);
    background-color: var(--color-lichtgrijs);
    border-radius: 10px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.faq-item {
    background-color: var(--color-lichtgrijs);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(11, 31, 59, 0.08);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: start;
}

.contact-form {
    background-color: var(--color-wit);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(11, 31, 59, 0.12);
    display: grid;
    gap: 16px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--color-nachtblauw);
}

.form-group input,
.form-group textarea {
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #d1d8e2;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-koninklijkblauw);
    box-shadow: 0 0 0 4px rgba(31, 102, 255, 0.15);
}

.site-header {
    background-color: var(--color-wit);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e1e5ec;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
}

.logo-image {
    width: 50px;
    height: auto;
}

.logo-image-footer {
    width: 100px;
    height: auto;
}

.primary-nav ul {
    display: flex;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.primary-nav a {
    font-weight: 600;
    color: var(--color-nachtblauw);
    padding: 8px 0;
    position: relative;
}

.primary-nav a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: transparent;
    transition: background-color 0.3s ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus::after,
.primary-nav a.active::after {
    background-color: var(--color-koninklijkblauw);
}

.header-contact a {
    font-weight: 600;
    color: var(--color-accentoranje);
}

.nav-toggle {
    display: none;
}

.burger {
    display: none;
    width: 32px;
    height: 24px;
    flex-direction: column;
    justify-content: space-between;
}

.burger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-nachtblauw);
    border-radius: 3px;
}

.nav-overlay {
    display: none;
}

.site-footer {
    background-color: var(--color-nachtblauw);
    color: var(--color-wit);
    padding: 60px 0 24px;
}

.site-footer a {
    color: var(--color-wit);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
}

.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    margin-top: 40px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.timeline {
    display: grid;
    gap: 24px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 24px;
    align-items: center;
    background-color: var(--color-lichtgrijs);
    padding: 20px 24px;
    border-radius: 12px;
}

.timeline-year {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-koninklijkblauw);
}

.summary-card {
    background-color: var(--color-lichtgrijs);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--color-koninklijkblauw);
}

.legal-text h2 {
    margin-top: 40px;
}

.legal-list {
    list-style: none;
    padding: 0;
}

.legal-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
}

.legal-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-koninklijkblauw);
    font-size: 1.4rem;
    line-height: 1;
}

.cookie-banner {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 420px;
    background-color: var(--color-nachtblauw);
    color: var(--color-wit);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    z-index: 2000;
}

.cookie-banner.cookie-hidden {
    display: none;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cookie-link {
    color: var(--color-accentoranje);
    font-weight: 600;
}

@media (max-width: 1100px) {
    .hero-grid,
    .two-column,
    .two-column.reverse,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .two-column.reverse {
        display: flex;
        flex-direction: column;
    }

    .three-column,
    .stat-grid,
    .faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .keyword-list {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        gap: 32px;
    }
}

@media (max-width: 900px) {
    .primary-nav {
        display: none;
    }

    .header-contact {
        display: none;
    }

    .burger {
        display: flex;
        cursor: pointer;
    }

    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background-color: rgba(11, 31, 59, 0.95);
        color: var(--color-wit);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        padding: 24px;
        z-index: 1500;
    }

    .nav-overlay-content {
        display: flex;
        flex-direction: column;
        gap: 24px;
        max-width: 320px;
        margin-left: auto;
    }

    .nav-overlay nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        gap: 16px;
    }

    .nav-overlay nav a {
        color: var(--color-wit);
        font-size: 1.2rem;
        font-weight: 600;
    }

    .nav-close {
        align-self: flex-end;
        font-size: 2rem;
        cursor: pointer;
        color: var(--color-wit);
    }

    .overlay-contact p {
        margin: 0;
    }

    .nav-toggle:checked ~ .burger {
        position: fixed;
        right: 24px;
        top: 24px;
    }

    .nav-toggle:checked ~ .nav-overlay {
        transform: translateY(0);
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cookie-banner {
        position: fixed;
        inset: auto 16px 16px 16px;
        max-width: none;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 60px 0;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .hero-metrics div {
        min-width: 130px;
    }

    .three-column,
    .stat-grid,
    .faq-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        padding: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .cookie-banner {
        font-size: 0.95rem;
    }
}