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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: white;
}

/* Header Styles */
.header {
    background: white;
    padding: 15px 0;
    box-shadow: none;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-right: 60px;
}

.logo-image {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 45px;
    margin: 0;
    padding: 0;
    justify-content: flex-end;
    flex-grow: 1;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: #0066cc;
}

.cta-button {
    background: #FFD333;
    color: #333;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 2px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 40px;
}

.cta-button:hover {
    background: #FFCC00;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 18px;
    justify-content: space-between;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: #333;
    transition: all 0.3s ease;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    flex-direction: column;
}

.mobile-menu-overlay.active {
    display: flex;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-header .logo-image {
    height: 45px;
}

.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    position: relative;
}

.close-line {
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: white;
    top: 50%;
    left: 50%;
    transform-origin: center;
}

.close-line:first-child {
    transform: translate(-50%, -50%) rotate(45deg);
}

.close-line:last-child {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.mobile-nav {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 30px;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
    margin-bottom: 60px;
}

.mobile-nav-menu li {
    margin-bottom: 40px;
}

.mobile-nav-menu a {
    color: white;
    text-decoration: none;
    font-size: 24px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.mobile-nav-menu a:hover {
    color: #FFD333;
}

.mobile-cta-button {
    background: #FFD333;
    color: #333;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 2px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.mobile-cta-button:hover {
    background: #FFCC00;
}

/* Author Section */
.author-section {
    margin: 80px 0;
    padding: 40px 0;
}

.author-container {
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 1200px;
    margin: 0;
    padding: 0 20px;
}

.author-image {
    flex-shrink: 0;
}

.author-image img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #f0f0f0;
}

.author-info {
    flex-grow: 1;
}

.author-name {
    font-size: 24px;
    color: #333;
    margin: 0 0 5px 0;
    font-weight: 600;
}

.author-title {
    font-size: 16px;
    color: #0066cc;
    margin: 0 0 15px 0;
    font-weight: 500;
}

.author-bio {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

.author-social {
    display: flex;
    align-items: center;
}

.linkedin-badge img {
    height: 28px;
    transition: opacity 0.3s ease;
}

.linkedin-badge:hover img {
    opacity: 0.8;
}

/* Relevant Links Section */
.relevant-links-section {
    margin: 60px 0 80px 0;
    padding: 0;
}

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

.relevant-links-title {
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
    text-transform: lowercase;
    position: relative;
    padding-left: 30px;
}

.relevant-links-title::before {
    content: "💡";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 20px;
    line-height: 1;
}

.relevant-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.relevant-link-item {
    margin-bottom: 12px;
    padding-bottom: 0;
}

.relevant-link-item:last-child {
    margin-bottom: 0;
}

.relevant-link {
    color: #0066cc;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: block;
    margin-bottom: 2px;
    transition: color 0.3s ease;
}

.relevant-link:hover {
    color: #004499;
    text-decoration: underline;
}

.relevant-link-source {
    font-size: 12px;
    color: #999;
    font-style: italic;
    display: block;
    margin-bottom: 0;
}

.relevant-link-description {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
    margin: 0 0 3px 0;
}

.seo-content-section {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.seo-content-container {
    width: 100%;
}

.seo-only-content {
    font-size: 16px;
    color: #333;
    line-height: 1.6;
    margin: 0;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 60px auto 0 auto;
    padding: 0 20px;
}

/* Text Content Section */
.text-content-section {
    margin-bottom: 100px;
}

.text-content-container {
    width: 100%;
}

.text-content h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    line-height: 1.3;
    font-weight: 600;
}

.text-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.text-content ul {
    margin: 30px 0;
    padding-left: 0;
    list-style: none;
}

.text-content li {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.text-content li:before {
    content: "•";
    color: #0066cc;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

.content-image {
    width: 100%;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: #f0f0f0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 16px;
    border: 2px dashed #ddd;
}

.hero-section {
    margin-bottom: 100px;
}

.hero-title {
    width: 100%;
    margin-bottom: 40px;
    text-align: left;
}

.hero-title h1 {
    font-size: 36px;
    color: #333;
    line-height: 1.3;
    font-weight: normal;
    margin: 0;
}

.hero-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-image {
    width: 100%;
    height: 300px;
    background: #f0f0f0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 16px;
    border: 2px dashed #ddd;
    overflow: hidden;
}

/* Als er een img tag binnen zit, verberg de placeholder styling */
.hero-image:has(img) {
    background: none;
    border: none;
}

/* Als er geen img tag is, toon placeholder tekst */
.hero-image:not(:has(img))::before {
    content: "Content Image Placeholder";
}

/* Styling voor de IMG tag binnen hero-image */
.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.hero-content h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 600;
}

.hero-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

/* Whitepapers Section */
.whitepapers-section {
    text-align: center;
    margin-bottom: 0;
    padding: 0;
    background-color: #f8f9fa;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

.section-title {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
    font-weight: normal;
}

.section-subtitle {
    color: #666;
    margin-bottom: 60px;
    font-size: 16px;
}

.whitepapers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.whitepaper-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.whitepaper-card:hover {
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 200px;
    background: #e0e0e0;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 30px 20px;
}

.card-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    font-weight: normal;
}

.card-link {
    color: #0066cc;
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-link:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta-section {
    border-radius: 12px;
    padding: 60px 40px 40px 40px;
    text-align: center;
    margin-bottom: 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button in whitepaper section - no margin-left, centered */
.cta-section .cta-button {
    margin-left: 0;
    display: inline-block;
}

.cta-title {
    font-size: 24px;
    color: #0066cc;
    margin-bottom: 30px;
    font-weight: normal;
}

.cta-section .cta-button {
    font-size: 16px;
    padding: 15px 30px;
}

/* Footer */
.footer {
    padding: 20px 20px 40px 20px;
    text-align: center;
    color: #666;
    font-size: 12px;
    line-height: 1.5;
    background-color: #f8f9fa;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer p {
    margin-bottom: 5px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        gap: 35px;
    }
    
    .nav-menu a {
        font-size: 12px;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-menu {
        display: none;
    }

    .cta-button {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .logo-image {
        height: 35px;
    }



    .hero-content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title h1 {
        font-size: 28px;
    }

    .text-content h2 {
        font-size: 24px;
    }

    .whitepapers-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }



    .section-title {
        font-size: 24px;
    }

    .main-content {
        padding: 0 15px;
    }

    .cta-section {
        padding: 40px 20px;
    }

    .author-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .author-image img {
        width: 100px;
        height: 100px;
    }

    .author-name {
        font-size: 20px;
    }

    .relevant-links-section {
        margin: 40px 0 60px 10px;
    }

    .relevant-links-title {
        font-size: 14px;
        font-weight: 600;
        padding-left: 25px;
    }

    .relevant-links-title::before {
        font-size: 16px;
    }

    .relevant-link {
        font-size: 13px;
    }

    .relevant-link-description {
        font-size: 12px;
    }
}