:root {
            --purple-primary: #5b2c83;
            --purple-light: #9b6bc0;
            --purple-soft: #f1ebf7;
            --purple-dark: #3f1d5e;
            --ink: #252331;
            --text-dark: #41404b;
            --bg-light: #f4f2f7;
            --border-color: #e5e1e9;
            --accent: #d69e2e;
            --shadow-soft: 0 12px 30px rgba(63, 29, 94, 0.09);
        }

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

        body {
            font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
            background-color: #ffffff;
            box-shadow: 0 0 35px rgba(63, 29, 94, 0.08);
            min-height: 100vh;
        }

        /* Top Header */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0 22px;
            border-bottom: 1px solid var(--border-color);
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 15px;
            text-decoration: none;
            color: inherit;
        }

        .logo-icon {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4px;
            width: 44px;
            height: 44px;
        }

        .logo-square {
            background-color: var(--purple-primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-square::after {
            content: '';
            width: 10px;
            height: 10px;
            border: 2px solid #fff;
            border-radius: 50%;
        }

        .logo-text {
            font-family: Georgia, 'Times New Roman', serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0;
        }

        .nav-and-lang {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 15px;
        }

        .lang-switch {
            display: flex;
            gap: 8px;
            font-size: 14px;
        }

        .lang-flag {
            width: 30px;
            height: 20px;
            display: inline-block;
            background-size: cover;
            cursor: pointer;
            border: 1px solid #b8b8b8;
            border-radius: 2px;
            padding: 0;
            transition: transform 0.2s;
        }

        .lang-flag.active { outline: 2px solid var(--purple-primary); outline-offset: 2px; }
        .lang-flag:hover, .lang-flag:focus-visible { transform: translateY(-2px); }

        .flag-nl {
            background: linear-gradient(to bottom, #AE1C28 33%, #fff 33%, #fff 66%, #21468B 66%);
        }

        .flag-en {
            background: #00247D;
            position: relative;
        }

        .flag-en::before, .flag-en::after {
            content: '';
            position: absolute;
            inset: 0;
        }

        .flag-en::before {
            background: linear-gradient(33deg, transparent 43%, #fff 44%, #fff 56%, transparent 57%), linear-gradient(-33deg, transparent 43%, #fff 44%, #fff 56%, transparent 57%);
        }

        .flag-en::after {
            background: linear-gradient(90deg, transparent 40%, #cf142b 41%, #cf142b 59%, transparent 60%), linear-gradient(0deg, transparent 34%, #fff 35%, #fff 65%, transparent 66%);
        }

        /* Navigation */
        nav ul {
            display: flex;
            list-style: none;
            gap: 22px;
        }

        nav a {
            text-decoration: none;
            color: #565360;
            font-size: 16px;
            font-weight: 500;
            padding: 4px 0 7px;
            transition: color 0.2s, border-color 0.2s;
        }

        nav a:hover, nav a.active {
            color: var(--purple-primary);
            border-bottom: 2px solid var(--purple-primary);
        }

        /* Page Content Views */
        .page-view {
            display: none;
            padding: 32px 0 20px;
        }

        .page-view.active {
            display: block;
        }

        /* Banner Carousel */
        .banner-container {
            display: flex;
            height: 270px;
            background-color: #eee;
            margin-bottom: 34px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
        }

        .banner-side-purple {
            width: 120px;
            background: linear-gradient(to right, #b886d8, #a872cc, #985ec0, #884bb4, #7837a8);
        }

        .banner-image {
            flex-grow: 1;
            background-color: #222;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .banner-image::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(0, 0, 0, 0.58), rgba(0, 0, 0, 0.08));
            z-index: 1;
        }

        .banner-caption {
            position: absolute;
            z-index: 2;
            left: 8%;
            color: #fff;
            font-family: Georgia, 'Times New Roman', serif;
            font-size: clamp(22px, 3vw, 38px);
            line-height: 1.15;
            font-weight: 700;
            max-width: 420px;
        }

        .banner-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(20%) contrast(108%);
        }

        .about-image {
            width: 100%;
            height: 180px;
            margin-bottom: 20px;
            border: 1px solid #ccc;
            overflow: hidden;
            background: #f0f0f0;
        }

        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .banner-side-icon {
            width: 160px;
            background-color: var(--purple-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .banner-box {
            width: 90px;
            height: 90px;
            background-color: var(--purple-primary);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            position: relative;
        }

        .banner-box-inner {
            width: 60px;
            height: 60px;
            border: 3px solid white;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
        }

        .nav-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            background-color: var(--purple-primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 3px;
            font-weight: bold;
        }

        .nav-arrow.left { left: 8px; }
        .nav-arrow.right { right: 8px; }
        .nav-arrow:hover, .nav-arrow:focus-visible { background-color: var(--purple-dark); }

        /* Home 3 Columns */
        .home-columns {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .col-card {
            background-color: #fbfafc;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 0 7px 20px rgba(63, 29, 94, 0.06);
        }

        .col-header {
            background-color: var(--purple-primary);
            color: white;
            padding: 13px 17px;
            font-weight: 600;
            font-size: 16px;
        }

        .col-header.light-purple {
            background-color: var(--purple-light);
        }

        .col-body {
            padding: 15px;
            font-size: 14px;
            color: #444;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .btn-link {
            display: inline-block;
            margin-top: 15px;
            color: var(--purple-primary);
            text-decoration: none;
            font-weight: bold;
            font-size: 13px;
            cursor: pointer;
            border-bottom: 1px solid transparent;
        }

        .btn-link:hover, .btn-link:focus-visible { border-bottom-color: currentColor; }

        .btn-purple {
            display: inline-block;
            background-color: var(--purple-primary);
            color: white;
            padding: 8px 15px;
            border-radius: 5px;
            text-decoration: none;
            font-size: 13px;
            margin-top: 15px;
            align-self: flex-start;
            border: none;
            cursor: pointer;
            transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
        }

        .btn-purple:hover, .btn-purple:focus-visible { background-color: var(--purple-dark); transform: translateY(-1px); box-shadow: 0 5px 12px rgba(63, 29, 94, 0.2); }
        a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

        /* Two Column Layout (Sidebar + Main) */
        .layout-sidebar {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 25px;
        }

        .sidebar-menu {
            background-color: #f5f5f5;
            border-radius: 4px;
            overflow: hidden;
        }

        .sidebar-title {
            background-color: var(--purple-primary);
            color: white;
            padding: 13px 17px;
            font-weight: 600;
            font-size: 15px;
        }

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

        .sidebar-list li a {
            display: block;
            padding: 10px 15px;
            color: #555;
            text-decoration: none;
            font-size: 14px;
            border-bottom: 1px solid #eaeaea;
        }

        .sidebar-list li a:hover, .sidebar-list li a.active {
            background-color: #ebebeb;
            color: var(--purple-primary);
            font-weight: 600;
        }

        .content-header {
            background-color: var(--purple-primary);
            color: white;
            padding: 10px 15px;
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 20px;
            border-radius: 6px;
        }

        .copyright-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 220px;
            gap: 25px;
        }

        .copyright-copy {
            border: 1px solid var(--border-color);
            padding: 25px;
            background-color: #fff;
        }

        .copyright-copy blockquote {
            color: var(--purple-primary);
            font-style: italic;
            font-weight: 600;
            margin-bottom: 18px;
            border-left: 4px solid var(--purple-light);
            padding: 8px 0 8px 16px;
            font-size: 17px;
        }

        .copyright-contact {
            align-self: start;
        }

        /* Portfolio Grid */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-top: 20px;
        }

        .portfolio-item {
            aspect-ratio: 1;
            background-color: #e0e0e0;
            border-radius: 4px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            background-position: center;
            background-size: cover;
            transition: transform 0.25s, box-shadow 0.25s;
        }

        .portfolio-item:nth-child(1) { background-image: url('https://images.unsplash.com/photo-1544947950-fa07a98d237f?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(2) { background-image: url('https://images.unsplash.com/photo-1601598851547-4302969d7d5c?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(3) { background-image: url('https://images.unsplash.com/photo-1517842645767-c639042777db?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(4) { background-image: url('https://images.unsplash.com/photo-1499750310107-5fef28a66643?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(5) { background-image: url('https://images.unsplash.com/photo-1543002588-bfa74002ed7e?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(6) { background-image: url('https://images.unsplash.com/photo-1586528116493-da8b8e7d2b75?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(7) { background-image: url('https://images.unsplash.com/photo-1504711434969-e33886168f5c?auto=format&fit=crop&w=600&q=80'); }
        .portfolio-item:nth-child(8) { background-image: url('https://images.unsplash.com/photo-1589998059171-988d887df646?auto=format&fit=crop&w=600&q=80'); }

        .portfolio-item::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 52%, rgba(0, 0, 0, 0.62));
        }

        .portfolio-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }

        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

        .portfolio-item svg { opacity: 0.12; }

        .portfolio-item:hover img {
            transform: scale(1.05);
        }

        /* Contact Layout */
        .contact-grid {
            display: grid;
            grid-template-columns: 220px 1fr 220px;
            gap: 20px;
        }

        .contact-form-container {
            border: 1px solid var(--border-color);
            border-radius: 4px;
            overflow: hidden;
        }

        .contact-banner {
            background-color: var(--purple-primary);
            color: white;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .contact-banner h3 {
            font-size: 18px;
            margin-bottom: 5px;
        }

        .contact-banner p {
            font-size: 12px;
            opacity: 0.9;
        }

        .world-map-svg {
            width: 100px;
            opacity: 0.5;
        }

        .form-body {
            padding: 20px;
            background-color: #fff;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        label {
            font-size: 12px;
            color: #555;
            font-weight: 600;
        }

        input[type="text"], input[type="email"], textarea {
            padding: 8px 10px;
            border: 1px solid #ccc;
            border-radius: 3px;
            font-size: 14px;
            width: 100%;
        }

        textarea {
            height: 100px;
            resize: vertical;
        }

        .btn-submit {
            background-color: var(--purple-primary);
            color: white;
            border: none;
            padding: 8px 20px;
            border-radius: 3px;
            cursor: pointer;
            font-size: 14px;
            margin-top: 10px;
        }

        .info-box {
            background-color: #f5f5f5;
            padding: 15px;
            border-radius: 4px;
            font-size: 13px;
            line-height: 1.6;
        }

        .info-box h4 {
            color: var(--purple-primary);
            margin-bottom: 10px;
            font-size: 14px;
        }

        .map-placeholder {
            width: 100%;
            height: 180px;
            background-color: #e5e3df;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin-top: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
            font-size: 12px;
            background-image: radial-gradient(#ccc 1px, transparent 0);
            background-size: 10px 10px;
            text-decoration: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .map-placeholder:hover { border-color: var(--purple-primary); box-shadow: var(--shadow-soft); }

        /* Footer */
        footer {
            margin-top: 40px;
            padding: 25px 0 30px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 12px;
            color: #777;
        }

        @media (max-width: 768px) {
            .home-columns, .layout-sidebar, .contact-grid, .copyright-layout {
                grid-template-columns: 1fr;
            }
            .portfolio-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            .nav-and-lang {
                align-items: flex-start;
                width: 100%;
            }
            nav ul {
                flex-wrap: wrap;
                gap: 10px;
            }
            .logo-text { font-size: 36px; }
            .banner-container { height: 190px; }
            .banner-side-purple { width: 45px; }
            .banner-side-icon { width: 92px; }
            .banner-box { width: 66px; height: 66px; }
            .banner-box-inner { width: 45px; height: 45px; }
            .copyright-copy { padding: 18px; }
            .copyright-copy blockquote { font-size: 15px; }
        }