/* Reset en basisstijlen */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.roc-logo {
    width: 320px;
    max-width: 100%;
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 200;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.index-page .nav-toggle {
    display: block;
}

.index-page .header-inner {
    position: relative;
}

.index-page .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background: #fff;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    z-index: 100;
}

.index-page .site-nav.active {
    display: flex;
}

.index-page .site-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.index-page .site-nav a {
    display: block;
    color: #2c3e50;
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: #f8f9fa;
    transition: background-color 0.3s, color 0.3s;
}

.index-page .site-nav a:hover {
    background: #ecf0f1;
    color: #3498db;
}

.site-nav a {
    color: #555;
    text-decoration: none;
    transition: color 0.3s, background-color 0.3s;
}

.site-nav a:hover {
    color: #3498db;
}

/* Pagina-indeling */
.page-layout {
    display: block;
    padding: 6rem 2rem 2rem 2rem;
}

/* Sidebar / vast linkermenu */
.sidebar {
    width: 260px;
    min-width: 220px;
    max-height: none;
    overflow-y: visible;
    background: #fff;
    padding: 1.25rem 1rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);

    /* Menu blijft volledig vast staan */
    position: fixed;
    top: 6rem;
    left: 2rem;
    z-index: 150;
}

/* Ruimte maken voor het vaste menu */
.main-content {
    margin-left: 292px;
    min-width: 0;
}

/* Afbeelding boven de menubalk */
.sidebar-profile {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.sidebar-photo {
    width: 125px;
    height: 125px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
    display: block;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.sidebar .site-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar .site-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar .site-nav li {
    width: 100%;
}

.sidebar .site-nav a {
    display: block;
    width: 100%;
    color: #2c3e50;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    background: #f8f9fa;
    font-size: 0.95rem;
    line-height: 1.3;
}

.sidebar .site-nav a:hover,
.sidebar .site-nav a[aria-current="page"] {
    background: #ecf0f1;
    color: #3498db;
}

.sidebar .site-nav .has-submenu > a {
    position: relative;
    padding-right: 1.75rem;
}

.sidebar .site-nav .has-submenu > a::after {
    content: "▾";
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
    font-size: 0.85rem;
    color: #3498db;
}

.sidebar .site-nav .has-submenu.active > a::after {
    transform: translateY(-50%) rotate(-180deg);
}

.sidebar .site-nav .submenu {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
    margin-left: 0.5rem;
    padding-left: 0.75rem;
    border-left: 2px solid rgba(52, 152, 219, 0.15);
}

.sidebar .site-nav .has-submenu.active > .submenu {
    display: flex;
}

.sidebar .site-nav .submenu a {
    background: #eef3fb;
    padding-left: 1.25rem;
}

.sidebar .site-nav .submenu a:hover {
    background: #dbe9fb;
    position: relative;
}

/* Hero sectie */
.hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    padding: 4rem 0;
    min-height: auto;
}

.hero-image {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.hero-main-photo {
    width: 320px;
    max-width: 100%;
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

.hero-copy .eyebrow,
.eyebrow {
    color: #3498db;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.hero-copy h1 {
    font-size: 2.5rem;
    margin: 1rem 0;
    color: #2c3e50;
}

.hero-copy p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #666;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-family: inherit;
    font-size: 1rem;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #ecf0f1;
    color: #2c3e50;
}

.btn-secondary:hover {
    background: #bdc3c7;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

.hero-card span {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 0.5rem;
}

/* About sectie */
.about-section {
    padding: 4rem 0;
    background: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

.about-image {
    text-align: center;
}

.profile-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #ecf0f1;
    margin-bottom: 1rem;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.about-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-content a {
    color: #3498db;
    font-weight: 600;
}

.about-details {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.about-details div {
    background: #f8f9fa;
    padding: 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.about-details strong {
    color: #3498db;
}

/* Profile grid */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 4rem 0;
}

.profile-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.profile-card h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.profile-card p {
    margin-bottom: 1rem;
}

.profile-card.highlight {
    border-left: 4px solid #3498db;
}

/* Stats sectie */
.stats-section {
    padding: 3rem 2rem;
    background: #eef6fb;
    color: #2c3e50;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #3498db;
}

.stat-card p {
    font-size: 1.1rem;
    color: #4f6475;
}

/* Interactive sectie / Korte leeswijzer */
.interactive-section {
    display: block;
    width: 100%;
    padding: 3rem 2rem;
    background: white;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.interactive-copy {
    width: 100%;
    max-width: 100%;
}

.interactive-copy h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.interactive-copy p {
    width: 100%;
    max-width: 100%;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: #4f6475;
}

.feature-list div {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.feature-list div::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.interactive-panel {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
}

.interactive-panel h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.doc-list {
    list-style: none;
}

.doc-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ecf0f1;
}

/* Bewijsmatrix tabel */
.table-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
    padding: 2rem 0 4rem;
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.evidence-table {
    width: 100%;
    min-width: 850px;
    border-collapse: collapse;
    background: #fff;
    overflow: hidden;
}

.evidence-table th,
.evidence-table td {
    padding: 1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.evidence-table th {
    background: #2c3e50;
    color: #fff;
    font-weight: 700;
}

.evidence-table tbody tr:hover {
    background: #f8f9fa;
}

.evidence-table td:first-child {
    width: 26%;
    color: #2c3e50;
}

.evidence-table td:nth-child(2) {
    width: 24%;
    color: #3498db;
    font-weight: 600;
}

/* Bijlageviewer */
.attachment-btn {
    margin-top: 1rem;
    cursor: pointer;
}

.attachment-viewer-section {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.attachment-viewer-section .interactive-section {
    padding: 2rem 0;
}

.attachment-frame-wrapper {
    width: 100%;
    min-height: 720px;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(44, 62, 80, 0.08);
}

.attachment-viewer {
    width: 100%;
    min-height: 720px;
    border: none;
    display: block;
    background: #fff;
}

/* CTA sectie */
.cta-section {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.cta-section .eyebrow {
    color: rgba(255,255,255,0.8);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.cta-section h2 {
    font-size: 2rem;
    margin: 1rem 0;
}

.cta-section p {
    margin-bottom: 0;
}

/* Content pagina's */
.content-page {
    padding: 4rem 0;
}

.content-page h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.content-block {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.content-block h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Cards grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.project-card h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Timeline */
.timeline li {
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 2px solid #3498db;
    position: relative;
}

.timeline li::before {
    content: "";
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    background: #3498db;
    border-radius: 50%;
}

.timeline h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.timeline span {
    color: #666;
    font-size: 0.9rem;
}

/* CV specific styling */
.cv-header {
    text-align: center;
    margin-bottom: 2rem;
}

.cv-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.cv-title {
    font-size: 1.2rem;
    color: #3498db;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cv-contact {
    color: #666;
    font-size: 1rem;
}

.skills-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.skills-section h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
    font-size: 1.1rem;
}

.skills-section ul {
    list-style: none;
    padding: 0;
}

.skills-section li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1rem;
}

.skills-section li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

/* Footer */
.site-footer {
    background: #2c3e50;
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: white;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .header-inner {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-toggle {
        display: block;
    }

    .site-nav {
        display: none;
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        text-align: center;
    }

    .site-nav.active {
        display: flex;
    }

    .page-layout {
        display: block;
        padding: 6rem 1rem 2rem 1rem;
    }

    .sidebar {
        width: 100%;
        min-width: auto;
        position: relative;
        top: 0;
        left: 0;
        max-height: none;
        overflow: visible;
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-photo {
        width: 150px;
        height: 150px;
    }

    .sidebar .site-nav ul {
        gap: 0.75rem;
    }

    .sidebar .site-nav a {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 2rem 0;
    }

    .hero-actions {
        justify-content: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    .profile-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .interactive-section {
        display: block;
        padding: 2rem 1.5rem;
    }

    .cta-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }

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

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .table-section {
        padding: 1rem 0 3rem;
    }

    .evidence-table th,
    .evidence-table td {
        padding: 0.85rem;
        font-size: 0.92rem;
    }

    .attachment-frame-wrapper {
        min-height: 560px;
    }

    .attachment-viewer {
        min-height: 560px;
    }
}

@media (max-width: 480px) {
    .hero-copy h1 {
        font-size: 2rem;
    }

    .hero-card {
        padding: 1.5rem;
    }

    .hero-card span {
        font-size: 1.5rem;
    }

    .about-content h2 {
        font-size: 1.8rem;
    }

    .content-page h1 {
        font-size: 2rem;
    }

    .stat-card h3 {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .sidebar-photo {
        width: 130px;
        height: 130px;
        border-radius: 20px;
    }

    .sidebar .site-nav a {
        padding: 0.7rem 1rem;
        font-size: 0.95rem;
    }

    .interactive-section {
        padding: 1.5rem 1rem;
    }

    .attachment-frame-wrapper {
        min-height: 480px;
        border-radius: 10px;
    }

    .attachment-viewer {
        min-height: 480px;
    }
}