/* 
 * Yoga voor IT-professionals: Stoelhouding, ademhaling en focus
 * BravioNastra.shop
 * Stylesheet
 */

/* ===== Reset & Base Styles ===== */
:root {
    /* Primary Color Palette */
    --primary-color: #5E42D3;
    --primary-dark: #452ba1;
    --primary-light: #8d76e6;
    
    /* Secondary Color Palette */
    --secondary-color: #2FBAA5;
    --secondary-dark: #238e7e;
    --secondary-light: #63d7c6;
    
    /* Neutral Colors */
    --dark-color: #333333;
    --gray-color: #666666;
    --light-gray: #f5f5f5;
    --white-color: #ffffff;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    
    /* Font Families */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Poppins', sans-serif;
    
    /* Font Sizes */
    --h1-size: 3.5rem;
    --h2-size: 2.5rem;
    --h3-size: 1.75rem;
    --h4-size: 1.25rem;
    --body-size: 1rem;
    --small-size: 0.875rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: var(--h1-size);
}

h2 {
    font-size: var(--h2-size);
}

h3 {
    font-size: var(--h3-size);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

section {
    padding: var(--spacing-lg) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

.section-header p {
    color: var(--gray-color);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.section-header.light h2,
.section-header.light p {
    color: var(--white-color);
}

.section-header.light h2::after {
    background: var(--white-color);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: var(--body-size);
    border: none;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    color: var(--white-color);
}

.btn-secondary {
    background: var(--white-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white-color);
}

.btn-outline {
    background: transparent;
    color: var(--white-color);
    border: 2px solid var(--white-color);
}

.btn-outline:hover {
    background: var(--white-color);
    color: var(--primary-color);
}

/* ===== Header & Navigation ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo img {
    height: 40px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    color: var(--dark-color);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(94, 66, 211, 0.1);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px 0;
    border-radius: 3px;
    transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero-section {
    padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--white-color);
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 650px;
    margin-bottom: var(--spacing-lg);
}

.hero-section h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.hero-section h2 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.hero-section p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.hero-image {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    height: auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.9);
}

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

/* ===== Voordelen Section ===== */
.voordelen-section {
    background-color: var(--white-color);
    padding: var(--spacing-xl) 0;
}

.voordelen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.voordeel-card {
    background: var(--white-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.voordeel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.voordeel-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.voordeel-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.voordeel-card p {
    color: var(--gray-color);
}

/* ===== Technieken Section ===== */
.technieken-section {
    position: relative;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.technieken-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/bg.jpg') center center/cover;
    opacity: 0.08;
    z-index: -1;
}

.technieken-slider {
    position: relative;
    overflow: hidden;
}

.techniek-slide {
    width: 100%;
}

.techniek-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--white-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.techniek-image {
    flex: 1 1 350px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.techniek-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.techniek-content:hover .techniek-image img {
    transform: scale(1.05);
}

.techniek-info {
    flex: 1 1 350px;
}

.techniek-info h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.techniek-info p {
    margin-bottom: var(--spacing-sm);
}

.techniek-benefits {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.techniek-benefits li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

.techniek-benefits li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 15px;
    height: 2px;
    background: var(--secondary-color);
}

.slider-nav {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--light-gray);
    border: none;
    margin: 0 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* ===== Programma Section ===== */
.programma-section {
    background-color: var(--light-gray);
    padding: var(--spacing-xl) 0;
}

.programma-tabs {
    max-width: 1100px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    background: var(--white-color);
    border-radius: var(--border-radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-sm);
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    color: var(--gray-color);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--white-color);
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.programma-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.programma-card {
    flex: 1 1 300px;
    max-width: 350px;
    background: var(--white-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.programma-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.programma-card.featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary-color);
}

.programma-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--secondary-color);
    color: var(--white-color);
    padding: 8px 40px;
    font-size: 0.9rem;
    font-weight: 600;
    transform: rotate(45deg);
    z-index: 1;
}

.card-header {
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white-color);
    text-align: center;
}

.card-header h3 {
    margin-bottom: var(--spacing-xs);
}

.prijs {
    font-size: 2rem;
    font-weight: 700;
}

.card-body {
    padding: var(--spacing-md);
}

.card-body p {
    margin-bottom: var(--spacing-sm);
    text-align: center;
    font-weight: 500;
}

.card-body ul {
    margin-bottom: var(--spacing-sm);
}

.card-body li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: relative;
    padding-left: 25px;
}

.card-body li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.card-body li:last-child {
    border-bottom: none;
}

.card-footer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    text-align: center;
}

/* ===== Getuigenissen Section ===== */
.getuigenissen-section {
    background: var(--gradient-primary);
    color: var(--white-color);
    padding: var(--spacing-xl) 0;
}

.testimonial-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    display: flex;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

.testimonial-avatar {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--white-color);
    box-shadow: var(--shadow-md);
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-content {
    flex-grow: 1;
}

.testimonial-rating {
    margin-bottom: var(--spacing-xs);
}

.star {
    color: #FFD700;
    font-size: 1.2rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.testimonial-author {
    margin-top: var(--spacing-sm);
}

.author-name {
    font-weight: 600;
    margin-bottom: 0;
}

.author-title {
    font-size: var(--small-size);
    opacity: 0.8;
    margin-bottom: 0;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-md);
}

.testimonial-prev,
.testimonial-next {
    background: transparent;
    border: none;
    color: var(--white-color);
    cursor: pointer;
    padding: 10px;
    transition: all var(--transition-fast);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    transform: scale(1.2);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    margin: 0 var(--spacing-sm);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 0 5px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background-color: var(--white-color);
    transform: scale(1.3);
}

/* ===== Contact Section ===== */
.contact-section {
    padding: var(--spacing-xl) 0 0;
}

.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    flex: 1 1 400px;
}

.info-items {
    margin-top: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.info-icon {
    margin-right: var(--spacing-sm);
    padding: 15px;
    background: var(--light-gray);
    border-radius: var(--border-radius-md);
    color: var(--primary-color);
}

.info-content h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.info-content p {
    color: var(--gray-color);
    margin-bottom: 5px;
}

.contact-hours {
    margin-top: var(--spacing-md);
}

.contact-hours h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.contact-hours table {
    width: 100%;
}

.contact-hours td {
    padding: 5px 0;
    border-bottom: 1px solid var(--light-gray);
}

.contact-hours td:first-child {
    font-weight: 500;
}

.contact-hours tr:last-child td {
    border-bottom: none;
}

.contact-form-container {
    flex: 1 1 400px;
    background: var(--white-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
}

.contact-form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.form-group {
    flex: 1 1 calc(50% - 15px);
}

.form-group.full {
    flex: 1 1 100%;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group.checkbox input {
    width: auto;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-md);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(94, 66, 211, 0.1);
}

.required {
    color: #e74c3c;
}

.form-error {
    background-color: #fdecea;
    color: #e74c3c;
    padding: 10px 15px;
    border-radius: var(--border-radius-md);
    margin-bottom: 15px;
    flex: 1 1 100%;
}

.form-success {
    background-color: #d4edda;
    color: #155724;
    padding: 10px 15px;
    border-radius: var(--border-radius-md);
    margin-bottom: 15px;
    flex: 1 1 100%;
}

.contact-form .btn {
    margin-top: 15px;
}

.map-container {
    height: 400px;
    overflow: hidden;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    flex: 1 1 300px;
}

.footer-logo img {
    height: 45px;
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    opacity: 0.8;
    font-size: var(--small-size);
}

.footer-links {
    flex: 1 1 500px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-column {
    flex: 1;
    min-width: 150px;
}

.footer-column h3 {
    color: var(--white-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--white-color);
    padding-left: 5px;
}

.footer-column.subscribe {
    flex: 1.5;
}

.footer-column.subscribe p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.subscribe-form {
    display: flex;
    flex-direction: column;
}

.subscribe-form .form-group {
    display: flex;
    gap: 10px;
}

.subscribe-form input {
    flex-grow: 1;
    padding: 12px 15px;
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--body-font);
}

.subscribe-form .btn {
    padding: 0 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: var(--small-size);
    opacity: 0.7;
}

/* ===== Cookie Consent ===== */
.cookie-consent {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    display: none;
}

.cookie-consent.show {
    display: block;
    animation: slideUp 0.5s forwards;
}

@keyframes slideUp {
    from {
        transform: translate(-50%, 100px);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

.cookie-content {
    text-align: center;
}

.cookie-content p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--small-size);
}

.cookie-content a {
    color: var(--secondary-light);
}

.cookie-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    .hero-image {
        width: 40%;
    }
}

@media (max-width: 992px) {
    :root {
        --h1-size: 3rem;
        --h2-size: 2.2rem;
        --h3-size: 1.5rem;
    }
    
    .hero-section {
        padding-bottom: var(--spacing-xl);
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
        margin: 0 auto var(--spacing-lg);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        position: relative;
        width: 80%;
        margin: 0 auto;
        right: auto;
        top: auto;
        transform: none;
    }
    
    .techniek-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .techniek-image {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white-color);
        flex-direction: column;
        padding: 80px 20px 30px;
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }
    
    .nav-list.show {
        right: 0;
    }
    
    .nav-link {
        display: block;
        padding: 15px;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonial-card {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-avatar {
        margin: 0 auto var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    :root {
        --h1-size: 2.5rem;
        --h2-size: 2rem;
        --h3-size: 1.3rem;
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .voordelen-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .tab-btn {
        width: 100%;
    }
    
    .programma-card {
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    .form-group {
        flex: 1 1 100%;
    }
}