/* --- 1. Variabelen & Reset --- */
:root {
    --primary: #2563EB;      /* Modern Blauw */
    --primary-dark: #1E40AF;
    --secondary: #10B981;    /* Groen (Eco knipoog) */
    --dark: #0F172A;
    --text: #334155;
    --light-bg: #F8FAFC;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4 { color: var(--dark); font-weight: 700; line-height: 1.2; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* --- 2. Navigatie --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

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

.logo { font-size: 1.5rem; font-weight: 800; color: var(--dark); }
.dot { color: var(--secondary); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: var(--dark); }
.nav-links a:hover { color: var(--primary); }

.btn-nav {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--white) !important;
    border-radius: 50px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-nav:hover { background: var(--primary-dark); transform: translateY(-2px); }

.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; background: var(--secondary);
    z-index: 1001; width: 0%; transition: 0.2s;
}

/* --- 3. Hero Section (Elementor Style) --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero-bg-shape {
    position: absolute;
    top: -20%; right: -10%;
    width: 600px; height: 600px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    filter: blur(80px);
    opacity: 0.15;
    border-radius: 50%;
    animation: floatShape 10s infinite alternate;
}

.hero-container { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }

.badge {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 20px;
}

.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.highlight-text {
    background: linear-gradient(120deg, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0) 100%);
    padding-right: 10px;
}

.hero p { font-size: 1.15rem; color: #64748b; margin-bottom: 30px; max-width: 90%; }

.hero-buttons { display: flex; gap: 15px; margin-bottom: 40px; }

.btn { padding: 14px 32px; border-radius: 8px; font-weight: 600; cursor: pointer; display: inline-block; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 25px rgba(37, 99, 235, 0.3); }
.btn-outline { border: 2px solid #cbd5e1; color: var(--dark); background: transparent; }
.btn-outline:hover { border-color: var(--dark); }

.stats-row { display: flex; gap: 40px; border-top: 1px solid #e2e8f0; padding-top: 25px; }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 1.5rem; font-weight: 800; color: var(--dark); }
.stat-label { font-size: 0.85rem; color: #64748b; }

/* Visual Hero Card (CSS only) */
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: 0.5s;
}
.glass-card:hover { transform: perspective(1000px) rotateY(0) rotateX(0); }

.card-header .circles span { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; }
.c-red { background: #ef4444; } .c-yellow { background: #f59e0b; } .c-green { background: #10b981; }

.card-body h3 { margin: 20px 0 15px; font-size: 1.1rem; }
.chart-placeholder { display: flex; align-items: flex-end; gap: 10px; height: 100px; margin-bottom: 20px; }
.bar { width: 100%; background: var(--primary); border-radius: 4px; opacity: 0.2; }
.b1 { height: 40%; } .b2 { height: 70%; } .b3 { height: 50%; } .b4 { height: 90%; background: var(--secondary); opacity: 1; }

.row-placeholder { height: 10px; background: #e2e8f0; margin-bottom: 10px; border-radius: 5px; width: 100%; }

.floating-card {
    position: absolute;
    background: white;
    padding: 10px 15px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex; align-items: center; gap: 8px;
    animation: float 4s ease-in-out infinite;
}
.float-1 { top: 20px; right: -20px; color: var(--primary); }
.float-2 { bottom: 30px; left: -20px; color: var(--secondary); animation-delay: 2s; }

/* --- 4. Tijdlijn --- */
.section-timeline { padding: 100px 0; background: var(--white); }
.section-header { margin-bottom: 70px; max-width: 600px; margin-left: auto; margin-right: auto; }
.subtitle { color: var(--secondary); font-weight: 600; margin-top: 10px; display: block; }

.timeline { position: relative; max-width: 900px; margin: 0 auto; }
.timeline::after {
    content: ''; position: absolute; width: 4px; background-color: #f1f5f9; top: 0; bottom: 0; left: 50%; margin-left: -2px; border-radius: 2px;
}

.timeline-item { padding: 10px 40px; position: relative; background-color: inherit; width: 50%; box-sizing: border-box; display: flex; align-items: center; margin-bottom: 40px; }
.timeline-item:nth-child(odd) { left: 0; justify-content: flex-end; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; justify-content: flex-start; text-align: left; }

.timeline-icon {
    position: absolute; width: 50px; height: 50px; right: -25px; background: var(--white);
    border: 4px solid var(--secondary); top: 15px; border-radius: 50%; z-index: 10;
    display: flex; align-items: center; justify-content: center; color: var(--secondary);
    box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.1);
}
.timeline-item:nth-child(even) .timeline-icon { left: -25px; }

.timeline-content h3 { font-size: 1.25rem; margin: 5px 0 10px; }
.timeline-content p { color: #64748b; font-size: 0.95rem; }
.date { font-weight: 700; color: var(--primary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }

/* --- 5. Services Grid --- */
.section-dark { background: var(--light-bg); padding: 100px 0; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }

.service-card {
    background: var(--white); padding: 40px 30px; border-radius: 15px; border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition); box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--primary);
    transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.service-card:hover { transform: translateY(-10px); }
.service-card:hover::before { transform: scaleX(1); }

.icon-box { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.service-card h3 { margin-bottom: 15px; font-size: 1.2rem; }
.service-card p { color: #64748b; font-size: 0.95rem; }

/* --- 6. Process Steps --- */
.section-process { padding: 100px 0; }
.row { display: flex; flex-wrap: wrap; gap: 50px; }
.col-text, .col-img { flex: 1; }

.step-item { display: flex; gap: 20px; margin-bottom: 30px; }
.step-num { font-size: 2.5rem; font-weight: 800; color: rgba(37, 99, 235, 0.1); line-height: 1; }
.step-content h4 { font-size: 1.1rem; margin-bottom: 5px; }
.step-content p { color: #64748b; font-size: 0.9rem; }

.img-box-gradient {
    width: 100%; height: 400px; background: linear-gradient(135deg, var(--dark), var(--primary-dark));
    border-radius: 20px; display: flex; align-items: center; justify-content: center;
    color: white; font-size: 5rem; box-shadow: 20px 20px 0 rgba(16, 185, 129, 0.2);
}

/* --- 7. FAQ Accordion --- */
.small-container { max-width: 800px; margin: 0 auto; }
.accordion-item { background: var(--white); border-radius: 8px; margin-bottom: 15px; box-shadow: 0 4px 6px rgba(0,0,0,0.02); border: 1px solid #f1f5f9; }
.accordion-header {
    background: none; border: none; width: 100%; padding: 20px; text-align: left;
    font-size: 1.1rem; font-weight: 600; color: var(--dark); cursor: pointer;
    display: flex; justify-content: space-between; align-items: center; font-family: inherit;
}
.accordion-header i { font-size: 0.9rem; color: var(--primary); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; padding: 0 20px; }
.accordion-body p { padding-bottom: 20px; color: #64748b; }

/* --- 8. CTA Section --- */
.section-cta-big {
    background: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover fixed;
    padding: 120px 0; position: relative; text-align: center; color: white;
}
.cta-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.9); }
.cta-content { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
.cta-content h2 { color: white; font-size: 2.5rem; margin-bottom: 15px; }
.cta-content p { color: #cbd5e1; margin-bottom: 40px; }

.modern-form { display: flex; flex-direction: column; gap: 15px; text-align: left; background: rgba(255,255,255,0.1); padding: 30px; border-radius: 15px; backdrop-filter: blur(5px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
input, textarea { width: 100%; padding: 15px; background: rgba(255,255,255,0.9); border: none; border-radius: 5px; font-family: inherit; }
.btn-white { background: var(--secondary); color: white; border: none; width: 100%; }

/* --- 9. Footer --- */
footer { background: var(--dark); color: #94a3b8; padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h3 { color: white; margin-bottom: 20px; }
.footer-col h4 { color: white; margin-bottom: 20px; font-size: 1rem; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a:hover { color: var(--secondary); }
.footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; font-size: 0.85rem; }

/* --- Animaties --- */
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }
@keyframes floatShape { 0% { transform: translate(0, 0) rotate(0deg); } 100% { transform: translate(20px, 40px) rotate(10deg); } }

/* Reveal Classes */
.reveal-up, .reveal-left, .reveal-right { opacity: 0; transition: all 0.8s ease-out; }
.reveal-up { transform: translateY(50px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }
.active { opacity: 1; transform: translate(0, 0); }

/* --- Responsive --- */
@media (max-width: 900px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; } /* Verberg visual op mobile voor rust */
    .hero-buttons { justify-content: center; }
    .stats-row { justify-content: center; }
    
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item:nth-child(even) { left: 0; }
    .timeline-item:nth-child(odd) { text-align: left; justify-content: flex-start; }
    .timeline-icon { left: 6px !important; right: auto; }
    
    .row { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }

    /* Mobile Nav */
    .hamburger { display: block; cursor: pointer; }
    .hamburger .bar { width: 25px; height: 3px; background: var(--dark); margin: 5px 0; transition: 0.3s; }
    .nav-links { position: fixed; right: -100%; top: 70px; height: 100vh; background: white; flex-direction: column; width: 100%; padding-top: 50px; transition: 0.3s; }
    .nav-links.active { right: 0; }
}