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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 220px; /* Hoogte van header + extra marge */
        }

        @media (max-width: 768px) {
            html {
                scroll-padding-top: 100px;
            }
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        .hero-gradient {
            background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
        }

        .card-shadow {
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        .card-shadow:hover {
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            transform: translateY(-2px);
            transition: all 0.3s ease;
        }

        .nav-link {
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: #3b82f6;
        }

        .nav-link.active {
            color: #3b82f6;
            font-weight: 600;
        }

        .btn-primary {
            background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
            border: none;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
        }

        .expertise-icon {
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
        }

        .section-title {
            position: relative;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
            border-radius: 2px;
        }

        .profile-container {
            width: 280px;
            height: 350px;
            overflow: hidden;
            border-radius: 20px;
            position: relative;
        }

        .profile-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }