/* 
   Style Sheet for dekunstvanwerken.nl
   Description: This CSS provides a clean, professional, blue and white design.
   It uses Flexbox and Grid for layout and is fully responsive.
   Location: /var/www/dekunstvanwerken.nl/style.css
*/

/* --- Variables --- */
:root {
    --primary-color: #004a99; /* Deep Professional Blue */
    --secondary-color: #3498db; /* Lighter Blue */
    --accent-color: #e67e22; /* Warm Orange for Call to Action */
    --bg-light: #f8fafc; /* Light Gray/White Background */
    --text-dark: #2c3e50; /* Dark Blue-Gray for Text */
    --text-light: #ffffff; /* White Text */
    --border-color: #d1d8e0;
    --max-width: 1100px;
    --transition: all 0.3s ease;
}

/* --- Reset & Global Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3 {
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

section {
    padding: 5rem 0;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
}

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

/* --- Navigation --- */
nav {
    background: var(--text-light);
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

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

.nav-links {
    display: flex;
}

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

.nav-links a:hover {
    color: var(--secondary-color);
}

/* --- Hero Section --- */
#hero {
    background: linear-gradient(rgba(0, 74, 153, 0.8), rgba(0, 74, 153, 0.8)), 
                url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&q=80&w=1200') no-repeat center center/cover;
    height: 70vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-light);
}

#hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

#hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Services Section --- */
#services {
    background: var(--text-light);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--secondary-color);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* --- Whitelabel Section --- */
#whitelabel {
    background: var(--bg-light);
}

.whitelabel-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.whitelabel-text {
    flex: 1;
    min-width: 300px;
}

.whitelabel-image {
    flex: 1;
    min-width: 300px;
    background: var(--primary-color);
    height: 300px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
}

/* --- Methodology Section --- */
.methodology-box {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.methodology-box h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.methodology-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.methodology-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.methodology-item p {
    font-size: 0.95rem;
}

/* --- Contact Section --- */
#contact {
    background: var(--text-light);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
}

.form-group textarea {
    height: 150px;
}

/* --- Footer --- */
footer {
    background: var(--text-dark);
    color: var(--text-light);
    padding: 3rem 0;
    text-align: center;
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--text-light);
    margin: 0 1rem;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real project we'd add a mobile menu */
    }
    
    #hero h1 {
        font-size: 2rem;
    }
}