/* ============================================
   CSS Reset & Base Styles
   ============================================ */

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

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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #272324;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

h1 {
    font-size: 2.25rem;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #272324;
}

h2 {
    font-size: 1.875rem;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #272324;
}

h3 {
    font-size: 1.375rem;
    line-height: 1.4;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #272324;
}

h4 {
    font-size: 1.125rem;
    line-height: 1.4;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #272324;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #1E64B7;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #6DACE1;
}

a:focus {
    outline: 2px solid #1E64B7;
    outline-offset: 2px;
}

/* ============================================
   Container & Layout
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 4rem 0;
}

.section-gray {
    background-color: #EBECEE;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: #6E6C6C;
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: sticky;
    top: 0;
    background-color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    flex-shrink: 0;
}

.nav-brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1E64B7;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #272324;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active .hamburger:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .hamburger:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    display: inline-block;
    color: #272324;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #1E64B7;
}

.nav-link-cta {
    background-color: #1E64B7;
    color: #FFFFFF;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.nav-link-cta:hover {
    background-color: #164d8f;
    color: #FFFFFF;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        background-color: #FFFFFF;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        padding: 5rem 2rem 2rem;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        gap: 0;
        align-items: stretch;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        border-bottom: 1px solid #EBECEE;
    }

    .nav-link {
        display: block;
        padding: 1rem 0;
    }

    .nav-link-cta {
        margin-top: 1rem;
        text-align: center;
    }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    background: linear-gradient(135deg, #EBECEE 0%, #FFFFFF 100%);
    padding: 5rem 0 4rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

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

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #272324;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6E6C6C;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.25rem;
}

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

.hero-image img {
    width: 100%;
    height: auto;
    max-width: 520px;
    margin: 0 auto;
    display: block;
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background-color: #FFFFFF;
    border: 1px solid #EBECEE;
    color: #6E6C6C;
    font-weight: 600;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .hero-content {
        text-align: left;
    }

    .hero-cta {
        justify-content: flex-start;
    }

    .hero-badges {
        justify-content: flex-start;
    }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #1E64B7;
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: #164d8f;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 100, 183, 0.3);
}

.btn-secondary {
    background-color: #FFFFFF;
    color: #1E64B7;
    border: 2px solid #1E64B7;
}

.btn-secondary:hover {
    background-color: #1E64B7;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 100, 183, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: #1E64B7;
    border: 2px solid #1E64B7;
}

.btn-outline:hover {
    background-color: #1E64B7;
    color: #FFFFFF;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:focus {
    outline: 3px solid #6DACE1;
    outline-offset: 2px;
}

/* ============================================
   Cards Grid
   ============================================ */

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    background-color: #FFFFFF;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card-icon {
    margin-bottom: 1.25rem;
}

.card h3 {
    margin-bottom: 0.75rem;
    color: #1E64B7;
}

.card p {
    color: #6E6C6C;
    margin-bottom: 0;
}

/* ============================================
   Product Sections
   ============================================ */

.product-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .product-section {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .product-section-reverse {
        direction: rtl;
    }

    .product-section-reverse > * {
        direction: ltr;
    }
}

.product-content h2 {
    color: #1E64B7;
    margin-bottom: 1rem;
}

.product-intro {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: #6E6C6C;
}

.product-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    padding-left: 1.75rem;
    margin-bottom: 1rem;
    position: relative;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1E64B7;
    font-weight: bold;
    font-size: 1.25rem;
}

.product-materials {
    background-color: #EBECEE;
    border-left: 4px solid #1E64B7;
    padding: 1.25rem;
    margin-bottom: 2rem;
    border-radius: 4px;
}

.product-materials h4 {
    margin-bottom: 0.5rem;
    color: #1E64B7;
}

.product-materials p {
    margin-bottom: 0;
    color: #6E6C6C;
    font-size: 0.9375rem;
}

/* Media blocks (images) */
.media {
    background: #FFFFFF;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.10);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.media img {
    width: 100%;
    height: auto;
    display: block;
}

.media figcaption {
    padding: 0.85rem 1rem;
    font-size: 0.9375rem;
    color: #6E6C6C;
}

.media-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

@media (min-width: 640px) {
    .media-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.media.mini figcaption {
    padding: 0.6rem 0.75rem;
    font-size: 0.875rem;
}

/* ============================================
   Werkwijze Steps
   ============================================ */

.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step {
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: #1E64B7;
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto 1.25rem;
}

.step h3 {
    margin-bottom: 0.75rem;
}

.step p {
    color: #6E6C6C;
    margin-bottom: 0;
}

.cta-box {
    background: linear-gradient(135deg, #1E64B7 0%, #6DACE1 100%);
    color: #FFFFFF;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
}

.cta-box h3 {
    color: #FFFFFF;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.cta-box p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.cta-box .btn-outline {
    border-color: #FFFFFF;
    color: #FFFFFF;
}

.cta-box .btn-outline:hover {
    background-color: #FFFFFF;
    color: #1E64B7;
}

/* ============================================
   Reviews
   ============================================ */

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background-color: #FFFFFF;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.review-stars {
    color: #FFD700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.review-text {
    font-style: italic;
    color: #6E6C6C;
    margin-bottom: 1.25rem;
}

.review-author {
    font-weight: 600;
    color: #1E64B7;
    margin-bottom: 0;
}

/* ============================================
   FAQ Accordion
   ============================================ */

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: #FFFFFF;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background-color: #FFFFFF;
    border: none;
    cursor: pointer;
    font-size: 1.0625rem;
    font-weight: 600;
    color: #272324;
    text-align: left;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #EBECEE;
}

.faq-question:focus {
    outline: 2px solid #1E64B7;
    outline-offset: -2px;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: #1E64B7;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: #EBECEE;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 1.25rem 1.5rem;
}

.faq-answer p {
    color: #6E6C6C;
    margin-bottom: 0;
}

/* ============================================
   Contact Section
   ============================================ */

.section-contact {
    background: linear-gradient(180deg, #EBECEE 0%, #FFFFFF 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 2fr 1fr;
        gap: 4rem;
    }
}

/* Contact Form */
.contact-form {
    background-color: #FFFFFF;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #272324;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid #AEADAD;
    border-radius: 6px;
    background-color: #FFFFFF;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1E64B7;
    box-shadow: 0 0 0 3px rgba(30, 100, 183, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #dc2626;
}

.error-message {
    display: block;
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.form-privacy {
    background-color: #EBECEE;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.form-privacy p {
    margin-bottom: 0;
}

.form-success {
    display: none;
    background-color: #10b981;
    color: #FFFFFF;
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    text-align: center;
}

.form-success.show {
    display: block;
    animation: slideIn 0.3s ease;
}

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

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-item {
    background-color: #FFFFFF;
    padding: 1.75rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.contact-info-item h3 {
    color: #1E64B7;
    margin-bottom: 0.75rem;
}

.contact-info-item p {
    margin-bottom: 0;
    color: #6E6C6C;
}

.contact-info-item a {
    color: #1E64B7;
    font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: #272324;
    color: #AEADAD;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-col h4 {
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.footer-col p {
    font-size: 0.9375rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: #AEADAD;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: #6DACE1;
}

.footer-bottom {
    border-top: 1px solid #6E6C6C;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.footer-privacy-notice {
    color: #AEADAD;
}

/* ============================================
   Back to Top Button
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: #1E64B7;
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #164d8f;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.back-to-top:focus {
    outline: 3px solid #6DACE1;
    outline-offset: 2px;
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .header,
    .nav-toggle,
    .back-to-top,
    .hero-cta,
    .btn,
    .contact-form {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }
}