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

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

        /* Navigatie */
        nav {
            background: linear-gradient(10deg, #671c1c 0%, #1d2165 100%);
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
        }

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

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }

        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }

        .nav-links a.active {
            background-color: rgba(255,255,255,0.3);
        }

        /* Mobiele menu button */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: white;
            cursor: pointer;
        }

        /* Hero sectie */
        .hero {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            min-height: 80vh;
        }

        .over-mij {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            min-height: 80vh;
        }

        .over-mij-introductie {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: #2c3e50;
            background: #671c1c;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content h2 {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            color: #7f8c8d;
            font-weight: 300;
        }

        .story-section {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            transition: all 0.3s ease;
        }
        .story-section:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .story-section h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }

        .story-placeholder {
            color: #7f8c8d;
            font-style: italic;
            line-height: 1.8;
            padding: 1rem;
            border-left: 4px solid #671c1c;
            background-color: #f8f9fa;
            border-radius: 0 10px 10px 0;
        }

        /* Foto sectie */
        .photo-section {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .photo-placeholder {
            width: 400px;
            height: 500px;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        .photo-placeholder:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .photo {
            overflow: hidden;
            width: inherit;
            height: inherit;
            border-radius: 20px;
            object-fit: cover;

        }

        .photo-placeholder svg {
            width: 80px;
            height: 80px;
            color: #95a5a6;
            margin-bottom: 1rem;
        }

        .photo-placeholder p {
            color: #7f8c8d;
            text-align: center;
            font-size: 1.1rem;
        }

        /* Footer */
        footer {
            background: #1d2165;
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 4rem;
        }

        /* Responsive design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                 background: #1d2165;
                flex-direction: column;
                padding: 1rem;
                backdrop-filter: blur(10px);
            }

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

            .menu-toggle {
                display: block;
            }

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

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

        .over-mij-introductie {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
        }
            .hero-content h1 {
                font-size: 2.5rem;
            }

            .photo-placeholder {
                width: 250px;
                height: 320px;
            }


        }

         /* URL styling class */
        .url {
            color: #667eea;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            display: inline-block;
        }

        .url:hover {
            color: #764ba2;
            transform: translateY(-1px);
        }

        .url::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            transition: width 0.3s ease;
        }

        .url:hover::after {
            width: 100%;
        }

        /* URL varianten */
        .url.external::after {
            content: ' ↗';
            position: static;
            font-size: 0.8em;
            opacity: 0.7;
        }

        .url.email {
            color: #e74c3c;
        }

        .url.email:hover {
            color: #c0392b;
        }

        .url.subtle {
            color: #7f8c8d;
            font-weight: normal;
        }

        .url.subtle:hover {
            color: #667eea;
        }


            .education-item, .work-item, .certificate-item, .hobby-item {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid #e9ecef;
    }

    .education-item:last-child, .work-item:last-child, .certificate-item:last-child, .hobby-item:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }

    .certificate-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }

    .skills-category {
        margin-bottom: 1.5rem;
    }

    .skill-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-top: 0.5rem;
    }

    .skill-tag {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 0.3rem 0.8rem;
        border-radius: 20px;
        font-size: 0.9rem;
        font-weight: 500;
    }

    @media (max-width: 768px) {
        .certificate-grid {
            grid-template-columns: 1fr;
        }

        .skill-tags {
            justify-content: center;
        }
    }


         /* Contact hero sectie */
        .contact-hero {
            max-width: 800px;
            margin: 0 auto;
            padding: 4rem 2rem;
            text-align: center;
            min-height: 80vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .contact-hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: #2c3e50;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-intro {
            background: white;
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
            text-align: left;
        }

        .contact-intro h2 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            text-align: center;
        }

        .contact-intro p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #555;
            margin-bottom: 1rem;
        }

        /* Contact knoppen */
        .contact-buttons {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(20px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .contact-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            padding: 1.2rem 2rem;
            background: white;
            border: none;
            border-radius: 15px;
            text-decoration: none;
            color: #333;
            font-size: 1.1rem;
            font-weight: 600;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .contact-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.5s;
        }

        .contact-btn:hover::before {
            left: 100%;
        }

        .contact-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        /* Specifieke kleuren voor elke knop */
        .linkedin-btn {
            background: linear-gradient(135deg, #0077b5 0%, #0056b3 100%);
            color: white;
        }

        .email-btn {
            background: linear-gradient(135deg, #ea4335 0%, #d33b2c 100%);
            color: white;
        }

        .instagram-btn {
            background: linear-gradient(135deg, #e4405f 0%, #833ab4 50%, #fcb045 100%);
            color: white;
        }

        .github-btn {
            background: linear-gradient(135deg, #333 0%, #24292e 100%);
            color: white;
        }

        .twitter-btn {
            background: linear-gradient(135deg, #1da1f2 0%, #0d8bd9 100%);
            color: white;
        }

        .whatsapp-btn {
            background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
            color: white;
        }

        /* Iconen */
        .contact-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .contact-hero {
                padding: 2rem 1rem;
            }

            .contact-hero h1 {
                font-size: 2.5rem;
            }

            .contact-buttons {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .contact-btn {
                padding: 1rem 1.5rem;
            }
        }