:root {
    --primary: #2ecc71;
    --secondary: #2c3e50;
    --light: #f4f7f6;
    --white: #ffffff;
}

* { box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; margin: 0; background: var(--light); color: var(--secondary); line-height: 1.6; }

/* Navigation */
.navbar { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 10px 5%; 
    background: var(--white); 
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo { display: flex; align-items: center; }
.logo-img { height: 68px; width: auto; display: block; }

.menu-toggle, .hamburger { display: none; cursor: pointer; }

.nav-links { display: flex; list-style: none; gap: 25px; margin: 0; padding: 0; align-items: center; }
.nav-links a { 
    text-decoration: none; 
    color: var(--secondary); 
    font-weight: 600; 
    transition: 0.3s; 
    white-space: nowrap; 
}
.nav-links a:hover { color: var(--primary); }

.lang-switcher { display: flex; gap: 10px; margin-left: 15px; flex-shrink: 0; }
.lang-switcher img { cursor: pointer; border: 1px solid #eee; }

/* Mobiele Navigatie Styles */
@media screen and (max-width: 768px) {
    .hamburger { display: flex; flex-direction: column; gap: 5px; z-index: 1001; }
    .hamburger span { display: block; width: 25px; height: 3px; background: var(--secondary); border-radius: 3px; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        transition: 0.4s;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        padding: 40px;
    }

    .menu-toggle:checked ~ .nav-links { right: 0; }
}

/* Hero & Index Styling */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8));
    color: white;
    padding: 100px 10%;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 80px 10%;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* Contact & Calculator Formulier Styling */
.page-container { 
    padding: 60px 5%; 
    display: flex; 
    justify-content: center; 
    align-items: flex-start; /* Zorgt dat de box bovenaan begint bij lange content */
    min-height: 70vh; 
}

.contact-wrapper, .calc-box { 
    background: var(--white); 
    padding: 40px; 
    border-radius: 15px; 
    width: 100%; 
    max-width: 550px; /* Iets breder voor een mooiere look */
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); 
    text-align: center;
}

.contact-wrapper h2, .calc-box h2 { margin-top: 0; color: var(--secondary); }

/* Form Elements */
input, select, textarea { 
    width: 100%; 
    padding: 14px; 
    margin: 12px 0; 
    border: 1px solid #ddd; 
    border-radius: 8px; 
    font-family: inherit; 
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}

textarea { 
    resize: none; 
    min-height: 150px; 
}

.btn-primary { 
    background: var(--primary); 
    color: white; 
    padding: 14px 30px; 
    text-decoration: none; 
    border-radius: 8px; /* Matchend met de inputs */
    display: inline-block; 
    font-weight: 600; 
    border: none; 
    cursor: pointer; 
    width: 100%; 
    font-size: 1.1rem;
    transition: background 0.3s;
}

.btn-primary:hover { background: #27ae60; }