/* VUR Model Styles - Combined with JS-Educatie branding */

/* How it works Section */
.how-to-use {
    background: #f8fafc;
}

.how-to-use h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 20px;
}

.section-intro {
    font-size: 1.2rem;
    color: #64748b;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.6;
}

.explanation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.explanation-step {
    background: white;
    padding: 35px 28px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.explanation-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.step-number {
    background: linear-gradient(135deg, var(--js-primary), var(--js-success));
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.explanation-step h3 {
    color: var(--js-dark);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.explanation-step p {
    color: var(--js-neutral);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
    text-align: center;
}

/* Coach Section */
.coach-section {
    background: white;
}

.coach-container {
    max-width: 820px;
    margin: 0 auto;
    background: transparent;
    border-radius: 20px;
    padding: 0;
    box-shadow: none;
}

.coach-intro { margin-bottom: 28px; }
.coach-intro h2 { font-size: clamp(1.65rem, 4vw, 2.4rem); color: #1e293b; margin: 0 0 12px; }
.coach-intro p { font-size: 1.05rem; color: #52637a; max-width: 620px; margin: 0 auto; }

/* Theoretical Sources Section */
.theoretical-sources {
    background: #f8fafc;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.source-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.source-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.source-header h3 {
    color: var(--js-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.source-author {
    color: var(--js-neutral);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.source-quote {
    border-left: 4px solid var(--js-success);
    padding-left: 20px;
    font-style: italic;
    color: var(--js-dark);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0 0 20px 0;
}

.source-explanation {
    color: var(--js-neutral);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--js-primary), var(--js-info));
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* ===== FOLDER STYLES ===== */
.folder-wrapper {
    position: relative;
    width: 100%;
    max-width: 1200px;
    min-height: 1100px;
    margin: 0 auto 40px;
}

.folder-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 700px;
    background: white;
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: scale(0.95) rotateY(-10deg);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    transform-style: preserve-3d;
}

.folder-page.active {
    opacity: 1;
    transform: scale(1) rotateY(0deg);
    pointer-events: all;
    z-index: 10;
}

.folder-page.prev {
    transform: scale(0.9) rotateY(20deg) translateX(-100px);
    opacity: 0;
}

.folder-page.next {
    transform: scale(0.9) rotateY(-20deg) translateX(100px);
    opacity: 0;
}

/* Cover Page */
.cover-page {
    background: linear-gradient(135deg, var(--js-primary) 0%, var(--js-info) 50%, var(--js-success) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.cover-content {
    width: 100%;
}

.cover-title h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 0.5rem 0;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: slideInUp 0.8s ease-out;
}

.cover-title h1:nth-child(1) {
    animation-delay: 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cover-title h1:nth-child(2) {
    animation-delay: 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cover-title h1:nth-child(3) {
    animation-delay: 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cover-subtitle {
    font-size: 1.5rem;
    margin: 2rem 0;
    opacity: 0.95;
    font-weight: 500;
    animation: fadeIn 1s ease-in 0.8s forwards;
    opacity: 0;
}

.cover-branding {
    margin: 3rem 0;
    font-size: 1.125rem;
    opacity: 0.9;
}

.cover-branding p {
    margin: 0.5rem 0;
}

.cover-branding a {
    color: white;
    text-decoration: underline;
    transition: opacity 0.3s;
}

.cover-branding a:hover {
    opacity: 0.8;
}

.cover-year {
    font-size: 1rem;
    margin-top: 1rem !important;
}

.cover-contact {
    font-size: 0.95rem;
    margin-top: 1.5rem !important;
    line-height: 1.6;
}

/* Cover Image */
.cover-image {
    width: 100%;
    max-width: 500px;
    margin: 0 auto 2rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cover-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Inside Page (3 columns) */
.inside-intro-image {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 3rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.inside-intro-image img {
    width: 280px;
    height: 280px;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.intro-text {
    flex: 1;
}

.intro-text h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--js-primary);
    margin-bottom: 1rem;
}

.intro-text p {
    font-size: 1.2rem;
    color: var(--js-neutral);
    line-height: 1.6;
    margin: 0;
}

/* Inside Page (3 columns) */
.inside-header {
    text-align: center;
    margin-bottom: 3rem;
}

.inside-header h2 {
    font-size: 2.5rem;
    color: var(--js-primary);
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.inside-header .subtitle {
    font-size: 1.25rem;
    color: var(--js-neutral);
    font-weight: 500;
}

.three-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.column {
    background: #f8fafc;
    border-radius: 1rem;
    padding: 2rem;
    border-top: 4px solid;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.column:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.column-verkennen {
    border-color: var(--js-primary);
}

.column-uitvoeren {
    border-color: var(--js-success);
}

.column-reflecteren {
    border-color: var(--js-warning);
}

.column-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.column-header .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 0.5rem;
}

.column-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--js-dark);
}

.column-header .tagline {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--js-neutral);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.column-list {
    list-style: none;
    padding: 0;
}

.column-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--js-dark);
}

.column-list li:last-child {
    border-bottom: none;
}

.mindset-boxes {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.mindset-box {
    background: white;
    border: 2px solid var(--js-success);
    border-radius: 0.75rem;
    padding: 1rem;
    font-weight: 700;
    font-size: 0.875rem;
    text-align: center;
    color: var(--js-success);
    width: 100%;
}

.mindset-arrow {
    font-size: 1.5rem;
    color: var(--js-success);
    font-weight: bold;
}

/* Detail Pages */
.detail-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 3px solid #e5e7eb;
}

.detail-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

.detail-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--js-primary);
    margin-bottom: 0.5rem;
}

.detail-subtitle {
    font-size: 1.25rem;
    color: var(--js-neutral);
    font-weight: 500;
}

/* Detail Page Image */
.detail-image {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.detail-content > h3 {
    font-size: 1.75rem;
    color: var(--js-dark);
    margin: 2rem 0 1.5rem;
    font-weight: 700;
}

.detail-section {
    background: #f8fafc;
    border-left: 4px solid var(--js-primary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.detail-section h3,
.detail-section h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--js-dark);
    margin-bottom: 0.75rem;
}

.detail-section p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--js-neutral);
    margin-bottom: 0.75rem;
}

.detail-section p:last-child {
    margin-bottom: 0;
}

.detail-section strong {
    color: var(--js-dark);
    font-weight: 600;
}

.detail-important {
    background: linear-gradient(135deg, var(--js-warning) 0%, #fbbf24 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    text-align: center;
}

.detail-important p {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.detail-techniques {
    margin: 2rem 0;
}

.detail-techniques h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--js-dark);
    margin-bottom: 1.5rem;
}

.detail-techniques p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--js-neutral);
    margin-bottom: 1rem;
}

.technique-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.technique-item {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.technique-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--js-primary);
}

.technique-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--js-dark);
    margin-bottom: 0.75rem;
}

.technique-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--js-neutral);
    margin: 0;
}

/* Summary Page */
.summary-header {
    text-align: center;
    margin-bottom: 3rem;
}

.summary-header h2 {
    font-size: 2.5rem;
    color: var(--js-primary);
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.summary-header .subtitle {
    font-size: 1.25rem;
    color: var(--js-neutral);
    font-weight: 500;
}

.summary-content {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.summary-list {
    list-style: none;
    padding: 0;
}

.summary-list li {
    background: #f8fafc;
    border-left: 4px solid var(--js-success);
    border-radius: 0.5rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--js-dark);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.summary-list li:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.summary-footer {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Navigation Buttons */
.nav-button {
    background: var(--js-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    text-decoration: none;
    display: inline-block;
}

.nav-button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.nav-button:active {
    transform: translateY(0);
}

.nav-button.prev-btn {
    background: var(--js-neutral);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.nav-button.prev-btn:hover {
    background: #4b5563;
    box-shadow: 0 6px 20px rgba(107, 114, 128, 0.4);
}

.page-nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    gap: 1rem;
}

/* Page Indicator */
.page-indicator {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
}

.page-indicator .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-indicator .dot.active {
    background: var(--js-primary);
    transform: scale(1.3);
}

.page-indicator .dot:hover {
    background: var(--js-info);
    transform: scale(1.2);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 968px) {
    .three-columns {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cover-title h1 {
        font-size: 2.5rem;
        margin: 0.3rem 0;
    }

    .folder-page {
        padding: 2rem 1.5rem;
        min-height: auto;
    }

    .folder-wrapper {
        min-height: 900px;
    }

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

    .page-nav-buttons {
        flex-direction: column;
    }

    .summary-footer {
        flex-direction: column;
    }

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

    .detail-header h2 {
        font-size: 2.25rem;
    }

    .inside-header h2 {
        font-size: 2rem;
    }

    .explanation-steps {
        grid-template-columns: 1fr;
    }

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

    .inside-intro-image {
        flex-direction: column;
        text-align: center;
    }

    .inside-intro-image img {
        width: 100%;
        max-width: 350px;
        height: auto;
    }

    .cover-image {
        max-width: 400px;
    }

    .detail-image {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .cover-title h1 {
        font-size: 2rem;
    }

    .cover-subtitle {
        font-size: 1.125rem;
    }

    .detail-header h2 {
        font-size: 2rem;
    }

    .inside-header h2,
    .summary-header h2 {
        font-size: 1.75rem;
    }

    .column {
        padding: 1.5rem;
    }

    .folder-page {
        padding: 1.5rem 1rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.05rem;
    }

    .cover-image {
        max-width: 300px;
    }

    .inside-intro-image img {
        width: 100%;
        max-width: 250px;
    }

    .intro-text h3 {
        font-size: 1.5rem;
    }

    .intro-text p {
        font-size: 1rem;
    }
}

/* ========== STRATEGY FOLDER SYSTEM ========== */

.strategy-selector {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.strategy-select-btn {
    background: white;
    border: 2px solid var(--js-gray-200);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--js-neutral);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.strategy-select-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--js-primary);
}

.strategy-select-btn.active {
    background: linear-gradient(135deg, var(--js-primary), var(--js-success));
    color: white;
    border-color: var(--js-primary);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.strategy-icon {
    font-size: 1.5rem;
}

.strategy-folder {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.strategy-folder.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== QUESTION CARDS (Kleine Vragen) ========== */

.question-words-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.question-card {
    background: white;
    border: 2px solid var(--js-gray-200);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-align: center;
}

.question-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
    border-color: var(--js-primary);
}

.question-card.highlight {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border: 2px solid var(--js-primary);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.question-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.question-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--js-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.question-examples {
    list-style: none;
    padding: 0;
    margin: 0;
}

.question-examples li {
    font-size: 0.95rem;
    color: var(--js-neutral);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--js-gray-100);
}

.question-examples li:last-child {
    border-bottom: none;
}

/* ========== KV QUESTION BLOCKS ========== */

.kv-question-block {
    background: var(--js-gray-50);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-left: 5px solid var(--js-primary);
}

.kv-q-label {
    display: inline-block;
    background: var(--js-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.kv-q-content p {
    margin: 0.75rem 0;
    line-height: 1.6;
    color: var(--js-neutral);
}

.kv-q-content p strong {
    color: var(--js-dark);
    display: block;
    margin-top: 1rem;
}

.kv-q-content p:first-child {
    margin-top: 0;
}

/* ========== STRATEGY TIP ========== */

.strategy-tip {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 5px solid #f59e0b;
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.strategy-tip h4 {
    color: #92400e;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.strategy-tip p {
    color: #78350f;
    margin: 0.5rem 0;
    line-height: 1.6;
}

.strategy-tip ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.strategy-tip li {
    margin: 0.5rem 0;
    color: #78350f;
}

/* ========== EXAMPLE BOX ========== */

.example-box {
    background: var(--js-gray-50);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
    border: 2px solid var(--js-gray-200);
}

.example-box h4 {
    color: var(--js-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.example-box p {
    margin: 0.75rem 0;
    line-height: 1.6;
    color: var(--js-neutral);
}

.example-box p strong {
    color: var(--js-dark);
}

/* ========== RESPONSIVE STYLES FOR STRATEGY COMPONENTS ========== */

@media (max-width: 768px) {
    .strategy-selector {
        flex-direction: column;
    }
    
    .strategy-select-btn {
        width: 100%;
        justify-content: center;
    }
    
    .question-words-grid {
        grid-template-columns: 1fr;
    }
    
    .question-card {
        padding: 1.25rem;
    }
    
    .question-card h3 {
        font-size: 1.3rem;
    }
    
    .question-icon {
        font-size: 2rem;
    }
    
    .kv-question-block {
        padding: 1.25rem;
    }
}

/* ========== STAPPENPLAN SECTION ========== */

.stappenplan-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    padding: 80px 0;
}

/* Level Selector */
.level-selector {
    margin-bottom: 3rem;
}

.level-btn {
    background: white;
    border: 3px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.level-btn:hover {
    border-color: var(--js-primary);
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.level-btn.active {
    background: var(--js-primary);
    border-color: var(--js-primary);
    color: white;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.level-icon {
    font-size: 1.5rem;
}

/* Stappenplan Content */
.stappenplan-content {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.stappenplan-content.active {
    display: block;
}

.stappenplan-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.stappenplan-intro p {
    font-size: 1.3rem;
    color: #475569;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Step Card */
.step-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 6px solid;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.verkennen-card {
    border-left-color: #2563eb;
}

.uitvoeren-card {
    border-left-color: #059669;
}

.reflecteren-card {
    border-left-color: #7c3aed;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-badge {
    background: linear-gradient(135deg, var(--js-primary), var(--js-success));
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    white-space: nowrap;
}

.step-header h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.step-question {
    background: #f1f5f9;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--js-primary);
}

.step-question strong {
    color: #1e293b;
    font-size: 1.1rem;
}

.step-content {
    color: #475569;
    line-height: 1.8;
}

.step-intro {
    margin-bottom: 1rem;
    font-weight: 500;
    color: #334155;
}

.step-checklist {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.step-checklist li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid #f1f5f9;
}

.step-checklist li:last-child {
    border-bottom: none;
}

.step-checklist .bullet {
    position: absolute;
    left: 0;
    color: var(--js-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.step-goal {
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
    padding: 1rem 1.25rem;
    border-radius: 10px;
    border-left: 4px solid var(--js-success);
}

.step-goal strong {
    color: var(--js-success);
}

/* Quick Reference */
.quick-reference {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border: 3px solid var(--js-primary);
}

.quick-reference h4 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 2rem;
}

.quick-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quick-step {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid var(--js-primary);
    transition: all 0.3s ease;
}

.quick-step:hover {
    background: #eff6ff;
    transform: translateX(4px);
}

.quick-number {
    background: var(--js-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
}

.quick-step strong {
    display: block;
    color: #1e293b;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.quick-step p {
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

.kleine-vragen-note {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
    border-radius: 12px;
    border-left: 4px solid #d97706;
}

.kleine-vragen-note p {
    margin: 0;
    color: #78350f;
    font-weight: 500;
}

/* Responsive Stappenplan */
@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .level-btn {
        width: 100%;
        justify-content: center;
    }
    
    .step-card {
        padding: 1.5rem;
    }
    
    .step-header h3 {
        font-size: 1.3rem;
    }
    
    .quick-reference {
        padding: 1.5rem;
    }
    
    .quick-reference h4 {
        font-size: 1.5rem;
    }
    
    .quick-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}