/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

/* --- CSS Variabelen --- */
:root {
    --primary-color: #003366; /* Donkerblauw */
    --secondary-color: #007BFF; /* Helderblauw accent */
    --text-color: #333333;
    --light-gray-color: #f4f4f4;
    --white-color: #ffffff;
    --font-family: 'Montserrat', sans-serif;
    --container-width: 1100px;
}

/* --- Algemene Stijlen & Reset --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white-color);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
}

.page-section {
    padding: 4rem 0;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}
.page-header h1 {
    font-size: 3rem;
}
.page-header p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}


/* --- Header & Navigatie --- */
header {
    background-color: var(--white-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav ul li {
    margin-left: 2rem;
}

.main-nav ul li a {
    color: var(--text-color);
    font-weight: 600;
    padding-bottom: 0.5rem;
    transition: color 0.3s, border-bottom 0.3s;
}

.main-nav ul li a:hover, .main-nav ul li a.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
}

/* --- Mobiele Navigatie --- */
.hamburger {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
}

.mobile-nav {
    display: none;
    background-color: var(--primary-color);
}
.mobile-nav ul {
    list-style: none;
}
.mobile-nav ul li a {
    display: block;
    color: var(--white-color);
    text-align: center;
    padding: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
}
.mobile-nav ul li a:hover, .mobile-nav ul li a.active {
    background-color: var(--secondary-color);
}


/* --- Hero Sectie (Homepage) --- */
.hero {
    background: linear-gradient(rgba(0, 51, 102, 0.7), rgba(0, 51, 102, 0.7)), url(https://via.placeholder.com/1920x1080) no-repeat center center/cover;
    height: 80vh;
    color: var(--white-color);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
}

.hero-content h1 {
    color: var(--white-color);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--secondary-color);
    color: var(--white-color);
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.3s;
    margin: 0.5rem;
    border: 2px solid var(--secondary-color);
}
.btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}
.btn.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white-color);
}
.btn.btn-secondary:hover {
    background-color: var(--white-color);
    color: var(--primary-color);
}


/* --- Homepage Secties --- */
.intro, .services-overview, .why-us-teaser {
    text-align: center;
    margin-bottom: 4rem;
}
.intro p, .why-us-teaser p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}
.service-item {
    padding: 2rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.service-item i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}
.why-us-teaser {
    background-color: var(--light-gray-color);
    padding: 3rem;
    border-radius: 5px;
}

/* --- Diensten Pagina --- */
.service-category {
    margin-bottom: 4rem;
}
.service-category h2 {
    border-bottom: 3px solid var(--secondary-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}
.category-intro {
    font-style: italic;
    color: #555;
    margin-bottom: 2rem;
}
.service-card {
    background-color: var(--light-gray-color);
    padding: 2rem;
    border-left: 5px solid var(--primary-color);
    margin-bottom: 1.5rem;
    border-radius: 0 5px 5px 0;
}

/* --- Over Ons Pagina --- */
.about-me {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}
.about-me-image {
    flex-basis: 35%;
}
.about-me-image img {
    max-width: 100%;
    border-radius: 50%;
}
.about-me-text {
    flex-basis: 65%;
}
.mission-vision {
    display: flex;
    gap: 2rem;
    background-color: var(--light-gray-color);
    padding: 2rem;
    border-radius: 5px;
}
.mission, .vision {
    flex: 1;
}

/* --- Waarom Wij Pagina --- */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.why-us-item {
    background-color: #f9f9f9;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border-radius: 5px;
    border: 1px solid #eee;
}
.why-us-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    background-color: var(--light-gray-color);
    padding: 1.5rem;
    border-radius: 50%;
}

/* --- Contact Pagina --- */
.contact-wrapper {
    display: flex;
    gap: 3rem;
}
.contact-form {
    flex-basis: 60%;
}
.contact-details {
    flex-basis: 40%;
    background-color: var(--light-gray-color);
    padding: 2rem;
    border-radius: 5px;
}
.contact-details h3 {
    margin-top: 0;
}
.contact-details p {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.contact-details i {
    color: var(--primary-color);
    font-size: 1.2rem;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: var(--font-family);
}
.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.form-group-checkbox input {
    width: auto;
}


/* --- Footer --- */
footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding-top: 3rem;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #4a6a8a;
}
.footer-content a {
    color: var(--white-color);
}
.footer-left h3 {
    color: var(--white-color);
    margin-bottom: 0.5rem;
}
.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
}
.footer-bottom a {
    color: #ccc;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    .hero-content h1 { font-size: 3rem; }
    .services-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero { height: 60vh; }
    .page-section { padding: 3rem 0; }

    .main-nav { display: none; }
    .hamburger { display: block; }

    .services-grid { grid-template-columns: 1fr; }
    .why-us-grid { grid-template-columns: 1fr; }

    .about-me { flex-direction: column; text-align: center; }
    .mission-vision { flex-direction: column; }
    .contact-wrapper { flex-direction: column; }

    .footer-content { flex-direction: column; text-align: center; }
}