/* =====================================================
   METHODIEKEN SECTIE - SUBTIEL PROFESSIONEEL
   Kleine nuances van poster kleuren, bruikbaar design
   ===================================================== */

   .methodieken-section {
    position: relative;
    padding: 100px 0;
    background: #ffffff;
    overflow: hidden;
}

/* Zeer subtiele corporate achtergrond nuances */
.methodieken-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(148, 163, 184, 0.02) 0%, transparent 50%);
    z-index: 1;
}

.methodieken-section .container {
    position: relative;
    z-index: 2;
}

/* =====================================================
   SECTION HEADER - ELEGANT & READABLE
   ===================================================== */

.methodieken-section .section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.methodieken-section .section-title {
    font-size: 2.8rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.methodieken-section .section-subtitle {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
    font-weight: 400;
}

/* =====================================================
   CORPORATE FILTER TABS - WIT/GRIJS MET BLAUWE ACCENT
   ===================================================== */

.methodiek-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: #ffffff;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    color: #495057;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.filter-btn:hover {
    border-color: #3b82f6;
    color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.15);
    background: #f8faff;
}

.filter-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
    font-weight: 600;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

/* =====================================================
   CLEAN PROFESSIONAL CARDS
   ===================================================== */

.methodieken-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.methodiek-card {
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
    height: auto;
    min-height: 480px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

/* Subtiele blauwe accent op hover */
.methodiek-card:hover {
    transform: translateY(-8px);
    border-color: #3b82f6;
    box-shadow: 
        0 15px 40px rgba(0,0,0,0.12),
        0 0 0 1px rgba(59, 130, 246, 0.1);
}

/* Subtiele blauwe accent lijn bovenaan */
.methodiek-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #3b82f6;
    z-index: 1;
}

/* =====================================================
   CARD CONTENT - HIGHLY READABLE
   ===================================================== */

.card-content {
    padding: 35px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.scientist-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f1f3f4;
}

.scientist-name {
    font-size: 0.9rem;
    color: #8e8e93;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.methodiek-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.3;
    margin-bottom: 0;
}

.methodiek-description {
    color: #495057;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 25px;
    flex-grow: 1;
}

/* =====================================================
   SUBTLE TYPE BADGE
   ===================================================== */

.methodiek-type {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f8f9fa;
    color: #495057;
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid #e9ecef;
    z-index: 3;
}

.methodiek-card:hover .methodiek-type {
    background: rgba(59, 130, 246, 0.08);
    border-color: #3b82f6;
    color: #1e40af;
}

/* =====================================================
   READABLE BENEFITS SECTION
   ===================================================== */

.key-benefits {
    margin-bottom: 25px;
}

.key-benefits h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.key-benefits h4 i {
    color: #3b82f6;
    font-size: 0.9rem;
}

.key-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.key-benefits li {
    padding: 4px 0;
    color: #495057;
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.key-benefits li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
    font-size: 1.2rem;
}

/* =====================================================
   META INFORMATION - CLEAN
   ===================================================== */

.methodiek-meta {
    border-top: 1px solid #f1f3f4;
    padding-top: 20px;
    margin-bottom: 25px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #495057;
}

.meta-item i {
    color: #8e8e93;
    width: 16px;
    font-size: 0.85rem;
}

/* =====================================================
   CORPORATE ACTION BUTTONS
   ===================================================== */

.card-actions {
    display: flex;
    gap: 12px;
}

.card-actions .btn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #3b82f6;
    color: #ffffff;
    border: none;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25);
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    color: #495057;
    border: 1px solid #e9ecef;
}

.btn-secondary:hover {
    background: #f8faff;
    border-color: #3b82f6;
    color: #1e40af;
}

/* =====================================================
   CORPORATE FEATURED BADGE
   ===================================================== */

.featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #3b82f6;
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 3;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
}

/* =====================================================
   CORPORATE CALL TO ACTION
   ===================================================== */

.methodieken-cta {
    text-align: center;
    padding: 50px 40px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.methodieken-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
}

.cta-content h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
    line-height: 1.3;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #495057;
    line-height: 1.6;
}

.methodieken-cta .btn {
    padding: 15px 35px;
    font-size: 1.1rem;
    background: #3b82f6;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.methodieken-cta .btn:hover {
    background: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.25);
    color: #ffffff;
}

/* =====================================================
   FILTER ANIMATIONS - SUBTLE
   ===================================================== */

.methodiek-card.hidden {
    opacity: 0;
    transform: scale(0.98) translateY(10px);
    pointer-events: none;
    transition: all 0.3s ease;
}

.methodiek-card.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
    transition: all 0.3s ease;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 1200px) {
    .methodieken-grid {
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .methodieken-section {
        padding: 80px 0;
    }
    
    .methodieken-section .section-title {
        font-size: 2.2rem;
    }
    
    .methodieken-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    
    .methodiek-card {
        min-height: 420px;
    }
    
    .card-content {
        padding: 25px;
    }
    
    .methodiek-filters {
        gap: 8px;
        padding: 0 20px;
    }
    
    .filter-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    .card-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .methodieken-cta {
        margin: 50px 20px 0;
        padding: 35px 25px;
    }
    
    .cta-content h3 {
        font-size: 1.6rem;
    }
}

/* =====================================================
   VERY SUBTLE ANIMATIONS
   ===================================================== */

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-2px); }
}

.methodiek-card:nth-child(odd):not(:hover) {
    animation: subtleFloat 6s ease-in-out infinite;
}

.methodiek-card:nth-child(even):not(:hover) {
    animation: subtleFloat 6s ease-in-out infinite;
    animation-delay: 3s;
}

/* =====================================================
   METHODIEKEN SECTIE - SUBTIEL PROFESSIONEEL
   Kleine nuances van poster kleuren, bruikbaar design
   ===================================================== */

   .methodieken-section {
    position: relative;
    padding: 100px 0;
    background: #ffffff;
    overflow: hidden;
}

/* Zeer subtiele corporate achtergrond nuances */
.methodieken-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(148, 163, 184, 0.02) 0%, transparent 50%);
    z-index: 1;
}

.methodieken-section .container {
    position: relative;
    z-index: 2;
}

/* =====================================================
   SECTION HEADER - ELEGANT & READABLE
   ===================================================== */

.methodieken-section .section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.methodieken-section .section-title {
    font-size: 2.8rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.methodieken-section .section-subtitle {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
    font-weight: 400;
}

/* =====================================================
   CORPORATE FILTER TABS - WIT/GRIJS MET BLAUWE ACCENT
   ===================================================== */

.methodiek-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    background: #ffffff;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    color: #495057;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.filter-btn:hover {
    border-color: #3b82f6;
    color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.15);
    background: #f8faff;
}

.filter-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
    font-weight: 600;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

/* =====================================================
   CLEAN PROFESSIONAL CARDS
   ===================================================== */

.methodieken-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.methodiek-card {
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
    height: auto;
    min-height: 480px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

/* Subtiele blauwe accent op hover */
.methodiek-card:hover {
    transform: translateY(-8px);
    border-color: #3b82f6;
    box-shadow: 
        0 15px 40px rgba(0,0,0,0.12),
        0 0 0 1px rgba(59, 130, 246, 0.1);
}

/* Subtiele blauwe accent lijn bovenaan */
.methodiek-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #3b82f6;
    z-index: 1;
}

/* =====================================================
   CARD CONTENT - HIGHLY READABLE
   ===================================================== */

.card-content {
    padding: 35px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.scientist-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f1f3f4;
}

.scientist-name {
    font-size: 0.9rem;
    color: #8e8e93;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.methodiek-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.3;
    margin-bottom: 0;
}

.methodiek-description {
    color: #495057;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 25px;
    flex-grow: 1;
}

/* =====================================================
   SUBTLE TYPE BADGE
   ===================================================== */

.methodiek-type {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f8f9fa;
    color: #495057;
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid #e9ecef;
    z-index: 3;
}

.methodiek-card:hover .methodiek-type {
    background: rgba(59, 130, 246, 0.08);
    border-color: #3b82f6;
    color: #1e40af;
}

/* =====================================================
   READABLE BENEFITS SECTION
   ===================================================== */

.key-benefits {
    margin-bottom: 25px;
}

.key-benefits h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.key-benefits h4 i {
    color: #3b82f6;
    font-size: 0.9rem;
}

.key-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.key-benefits li {
    padding: 4px 0;
    color: #495057;
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.key-benefits li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
    font-size: 1.2rem;
}

/* =====================================================
   META INFORMATION - CLEAN
   ===================================================== */

.methodiek-meta {
    border-top: 1px solid #f1f3f4;
    padding-top: 20px;
    margin-bottom: 25px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #495057;
}

.meta-item i {
    color: #8e8e93;
    width: 16px;
    font-size: 0.85rem;
}

/* =====================================================
   CORPORATE ACTION BUTTONS
   ===================================================== */

.card-actions {
    display: flex;
    gap: 12px;
}

.card-actions .btn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #3b82f6;
    color: #ffffff;
    border: none;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.25);
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    color: #495057;
    border: 1px solid #e9ecef;
}

.btn-secondary:hover {
    background: #f8faff;
    border-color: #3b82f6;
    color: #1e40af;
}

/* =====================================================
   CORPORATE FEATURED BADGE
   ===================================================== */

.featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #3b82f6;
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 3;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
}

/* =====================================================
   CORPORATE CALL TO ACTION
   ===================================================== */

.methodieken-cta {
    text-align: center;
    padding: 50px 40px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.methodieken-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
}

.cta-content h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
    line-height: 1.3;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #495057;
    line-height: 1.6;
}

.methodieken-cta .btn {
    padding: 15px 35px;
    font-size: 1.1rem;
    background: #3b82f6;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.methodieken-cta .btn:hover {
    background: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.25);
    color: #ffffff;
}

/* =====================================================
   FILTER ANIMATIONS - SUBTLE
   ===================================================== */

.methodiek-card.hidden {
    opacity: 0;
    transform: scale(0.98) translateY(10px);
    pointer-events: none;
    transition: all 0.3s ease;
}

.methodiek-card.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
    transition: all 0.3s ease;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 1200px) {
    .methodieken-grid {
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .methodieken-section {
        padding: 80px 0;
    }
    
    .methodieken-section .section-title {
        font-size: 2.2rem;
    }
    
    .methodieken-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    
    .methodiek-card {
        min-height: 420px;
    }
    
    .card-content {
        padding: 25px;
    }
    
    .methodiek-filters {
        gap: 8px;
        padding: 0 20px;
    }
    
    .filter-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    .card-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .methodieken-cta {
        margin: 50px 20px 0;
        padding: 35px 25px;
    }
    
    .cta-content h3 {
        font-size: 1.6rem;
    }
}

/* =====================================================
   VERY SUBTLE ANIMATIONS
   ===================================================== */

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-2px); }
}

.methodiek-card:nth-child(odd):not(:hover) {
    animation: subtleFloat 6s ease-in-out infinite;
}

.methodiek-card:nth-child(even):not(:hover) {
    animation: subtleFloat 6s ease-in-out infinite;
    animation-delay: 3s;
}