/* --- Globale Instellingen & Variabelen --- */
:root {
    --primary-color: #0d2c4b; /* Donkerblauw */
    --accent-color: #f39c12;  /* Oranje */
    --secondary-color: #f4f6f8; /* Lichtgrijs */
    --text-color: #333;
    --white-color: #ffffff;
    --font-header: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--text-color);
}

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

.section-title {
    font-family: var(--font-header);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* --- Header & Navigatie --- */
.main-header {
    background: var(--white-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 1.5rem;
}

.nav-logo {
    text-decoration: none;
    color: var(--primary-color);
    font-family: var(--font-header);
    font-size: 1.6rem;
}
.nav-logo strong { font-weight: 700; }

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

.nav-item {
    margin-left: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}
.nav-link:hover {
    color: var(--accent-color);
}

.cta-button-phone {
    background: var(--accent-color);
    color: var(--white-color);
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
}
.cta-button-phone:hover {
    background: #e67e22;
}
.cta-button-phone i { margin-right: 0.5rem; }

.hamburger {
    display: none;
    cursor: pointer;
}
.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary-color);
    transition: all 0.3s ease-in-out;
}

/* --- Knoppen --- */
.cta-button, .cta-button-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-family: var(--font-header);
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.cta-button {
    background-color: var(--accent-color);
    color: var(--white-color);
}
.cta-button:hover {
    background-color: #e67e22;
    transform: translateY(-3px);
}
.cta-button-secondary {
    background-color: transparent;
    color: var(--white-color);
    border-color: var(--white-color);
}
.cta-button-secondary:hover {
    background-color: var(--white-color);
    color: var(--primary-color);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(13, 44, 75, 0.8), rgba(13, 44, 75, 0.8)), url('https://via.placeholder.com/1920x1080.png?text=Professionele+Loodgieter') no-repeat center center/cover;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white-color);
    padding: 0 1.5rem;
}

.hero-content {
    max-width: 900px;
}
.hero h1 {
    font-family: var(--font-header);
    font-size: 3.5rem;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- Features Section --- */
.features-section { padding: 4rem 0; background: var(--secondary-color); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.feature-item { text-align: center; }
.feature-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* --- Diensten Section --- */
.services-section { padding: 5rem 0; }
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.service-card {
    background: var(--white-color);
    padding: 2.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.07);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}
.service-icon i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

/* --- Projecten Section --- */
.projects-section { padding: 5rem 0; background: var(--secondary-color); }
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}
.projects-grid img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    transition: transform 0.3s ease;
}
.projects-grid img:hover {
    transform: scale(1.05);
}

/* --- Testimonial Section --- */
.testimonial-section {
    padding: 5rem 0;
    background-color: var(--primary-color);
    color: var(--white-color);
}
blockquote {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.4rem;
    font-style: italic;
    line-height: 1.8;
}
blockquote footer {
    margin-top: 1.5rem;
    font-style: normal;
    font-weight: 700;
    font-family: var(--font-header);
    color: var(--accent-color);
}

/* --- Contact Section --- */
.contact-section { 
    padding: 5rem 0; 
}
.contact-section .container {
    max-width: 900px;
    text-align: center;
}
.contact-intro { 
    margin: -2rem auto 3rem;
    font-size: 1.1rem; 
    max-width: 700px;
}

.contact-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.contact-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--secondary-color);
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 2.5rem;
    text-decoration: none;
    color: var(--primary-color);
    width: 350px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.contact-button i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.contact-button .contact-title {
    font-family: var(--font-header);
    font-size: 1.3rem;
    font-weight: 700;
}

.contact-button .contact-detail {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-top: 0.5rem;
}

.contact-additional-info {
    border-top: 1px solid #e0e0e0;
    padding-top: 2rem;
    margin-top: 2rem;
}
.contact-additional-info h3 {
    margin-bottom: 1rem;
    font-family: var(--font-header);
    color: var(--primary-color);
}
.contact-additional-info p {
    margin-bottom: 0.5rem;
}
.contact-additional-info i {
    color: var(--accent-color);
    width: 25px;
}


/* --- Footer --- */
.main-footer {
    background: var(--primary-color);
    color: #ccc;
    text-align: center;
    padding: 2rem 0;
}

/* --- Responsive Design --- */
@media(max-width: 992px) {
    .nav-menu { display: none; }
    .header-contact { display: none; }
    .hamburger { display: block; }
    
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .nav-menu.active {
        display: flex;
        position: fixed;
        left: 0;
        top: 80px;
        flex-direction: column;
        background-color: var(--white-color);
        width: 100%;
        text-align: center;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    .nav-item { margin: 1.5rem 0; }
    
    .hero h1 { font-size: 2.5rem; }
    .contact-button {
        width: 100%;
        max-width: 400px;
    }
}

@media(max-width: 768px) {
    .cta-button-phone span { display: none; } /* Verberg tekst op kleine schermen */
    .hero-buttons { flex-direction: column; align-items: center; }
}