/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --color-primary: #0c2340;
    --color-secondary: #1a7dd7;
    --color-accent: #2196f3;
    --color-dark: #061325;
    --color-white: #ffffff;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 8px;
    --transition: 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-800);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; font-family: var(--font-primary); font-size: 15px;
    font-weight: 600; letter-spacing: 0.3px; border-radius: var(--radius);
    border: 2px solid transparent; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--color-secondary); color: var(--color-white); border-color: var(--color-secondary); }
.btn-primary:hover { background: #1565c0; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(26,125,215,0.35); }
.btn-outline { background: transparent; color: var(--color-white); border-color: var(--color-white); }
.btn-outline:hover { background: var(--color-white); color: var(--color-primary); }
.btn-sm { padding: 10px 24px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ===== HEADER ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: var(--color-primary); border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}
.header.scrolled { background: rgba(12,35,64,0.98); backdrop-filter: blur(20px); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 80px; }

.logo-img { height: 50px; width: auto; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav-link { padding: 8px 16px; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.7); border-radius: 6px; }
.nav-link:hover { color: var(--color-white); background: rgba(255,255,255,0.08); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.8); }
.header-phone:hover { color: var(--color-secondary); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--color-white); transition: var(--transition); }

/* ===== HERO ===== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    background: var(--color-primary); overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(26,125,215,0.1) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(26,125,215,0.05) 0%, transparent 50%);
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(12,35,64,0.95), rgba(6,19,37,0.85)); }

.hero-content { position: relative; z-index: 2; padding: 140px 0 100px; max-width: 800px; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 800; color: var(--color-white); line-height: 1.15; margin-bottom: 24px; }
.hero h1 strong { color: var(--color-secondary); }
.hero-subtitle { font-size: 18px; color: rgba(255,255,255,0.65); line-height: 1.8; margin-bottom: 40px; max-width: 600px; }

.hero-features { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 48px; }
.hero-feature { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.85); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* ===== TRUST BAR ===== */
.trust-bar { background: var(--color-secondary); padding: 40px 0; }
.trust-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.trust-number { display: block; font-size: 32px; font-weight: 800; color: var(--color-white); margin-bottom: 4px; }
.trust-label { font-size: 14px; color: rgba(255,255,255,0.8); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }

/* ===== SECTION HEADERS ===== */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; color: var(--color-primary); margin-bottom: 16px; }
.section-header p { font-size: 17px; color: var(--color-gray-500); max-width: 600px; margin: 0 auto; }

/* ===== DIENSTEN ===== */
.diensten { padding: 100px 0; background: var(--color-white); }
.diensten-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.dienst-card {
    background: var(--color-white); border: 1px solid var(--color-gray-200);
    border-radius: var(--radius); overflow: hidden; transition: var(--transition);
    display: block;
}
.dienst-card:hover { border-color: var(--color-secondary); box-shadow: var(--shadow-md); transform: translateY(-4px); }

.dienst-image { height: 200px; overflow: hidden; background: var(--color-gray-100); }
.dienst-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.dienst-card:hover .dienst-image img { transform: scale(1.05); }

.dienst-image-placeholder {
    height: 200px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(26,125,215,0.05), rgba(26,125,215,0.1));
}

.dienst-info { padding: 28px; }
.dienst-info h3 { font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.dienst-info p { font-size: 14px; color: var(--color-gray-500); line-height: 1.7; margin-bottom: 16px; }
.dienst-link { font-size: 14px; font-weight: 600; color: var(--color-secondary); }

/* ===== PROJECTEN ===== */
.projecten { padding: 100px 0; background: var(--color-gray-100); }
.projecten-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.project-item {
    border-radius: var(--radius); overflow: hidden; height: 250px;
    transition: var(--transition); cursor: pointer;
}
.project-item:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.project-item img { width: 100%; height: 100%; object-fit: cover; }

/* ===== WAAROM ===== */
.waarom { padding: 100px 0; background: var(--color-white); }
.waarom-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.waarom-card {
    padding: 40px 32px; background: var(--color-white); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); transition: var(--transition);
}
.waarom-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.waarom-number { font-size: 48px; font-weight: 800; color: rgba(26,125,215,0.15); line-height: 1; margin-bottom: 16px; }
.waarom-card h3 { font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: 12px; }
.waarom-card p { font-size: 15px; color: var(--color-gray-500); line-height: 1.7; }

/* ===== REGIO ===== */
.regio { padding: 100px 0; background: var(--color-primary); }
.regio .section-header h2 { color: var(--color-white); }
.regio .section-header p { color: rgba(255,255,255,0.5); }
.regio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

.regio-card {
    padding: 48px 36px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius); text-align: center; transition: var(--transition); display: block;
}
.regio-card:hover { border-color: var(--color-secondary); transform: translateY(-4px); }
.regio-card h3 { font-size: 24px; font-weight: 700; color: var(--color-white); margin-bottom: 12px; }
.regio-card p { font-size: 15px; color: rgba(255,255,255,0.5); }

/* ===== FAQ ===== */
.faq { padding: 100px 0; background: var(--color-gray-100); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 2px; }

.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 24px 28px; background: var(--color-white); border: none;
    font-family: var(--font-primary); font-size: 16px; font-weight: 600;
    color: var(--color-primary); cursor: pointer; text-align: left;
}
.faq-question:hover { background: var(--color-gray-100); }
.faq-icon { font-size: 20px; color: var(--color-secondary); transition: var(--transition); flex-shrink: 0; margin-left: 16px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding: 0 28px 24px; background: var(--color-white); font-size: 15px; color: var(--color-gray-500); line-height: 1.8; }

/* ===== CONTACT ===== */
.contact { padding: 100px 0; background: var(--color-white); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.contact-card {
    padding: 48px 32px; text-align: center; background: var(--color-gray-100);
    border-radius: var(--radius); transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow-md); }
.contact-icon { margin-bottom: 20px; }
.contact-card h3 { font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--color-gray-500); margin-bottom: 16px; }
.contact-link { font-size: 16px; font-weight: 600; color: var(--color-secondary); }
.contact-link:hover { text-decoration: underline; }

/* ===== FOOTER ===== */
.footer { background: var(--color-dark); padding: 80px 0 0; }
.footer-grid {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px;
    padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.4); margin-top: 20px; line-height: 1.8; }
.footer-links h4 { font-size: 14px; font-weight: 700; color: var(--color-white); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.footer-links a { display: block; font-size: 14px; color: rgba(255,255,255,0.4); padding: 6px 0; }
.footer-links a:hover { color: var(--color-secondary); }
.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.3); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .diensten-grid, .waarom-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .projecten-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav {
        position: fixed; top: 80px; left: 0; right: 0; background: var(--color-primary);
        flex-direction: column; padding: 24px; border-top: 1px solid rgba(255,255,255,0.08);
        transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition);
    }
    .nav.active { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-link { padding: 12px 16px; font-size: 16px; }
    .header-actions { display: none; }
    .menu-toggle { display: flex; }
    .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero-content { padding: 120px 0 80px; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; }
    .trust-items { grid-template-columns: repeat(2, 1fr); gap: 24px; }

    .diensten-grid, .waarom-grid, .contact-grid, .regio-grid, .projecten-grid { grid-template-columns: 1fr; }
    .projecten-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 28px; }
    .projecten-grid { grid-template-columns: 1fr; }
}