/* ==========================================================================
   Van den Berg Group — Base
   ========================================================================== */

:root {
  --color-green: #44ac34;
  --color-green-dark: #368428;
  --color-blue: #0f71b8;
  --color-blue-dark: #0a2540;
  --color-black: #000000;
  --color-text-muted: #4a4f57;
  --color-border: #e4e7eb;
  --color-surface: #ffffff;
  --color-surface-alt: #f6f8f9;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Montserrat', sans-serif;

  --container-width: 1200px;
  --radius: 14px;
  --radius-sm: 8px;

  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 48px rgba(10, 37, 64, 0.14);

  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-black);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  color: var(--color-black);
}

p { margin: 0; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

ul { list-style: none; margin: 0; padding: 0; }

button { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-blue);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 999;
}
.skip-link:focus {
  left: 24px;
  top: 12px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 24px;
  border-radius: 999px;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn svg { transition: transform var(--transition); }

.btn-primary {
  background: var(--color-blue);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-blue-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.btn-primary:hover svg { transform: translateX(3px); }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-outline:hover {
  background: #fff;
  color: var(--color-blue-dark);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline:hover svg { transform: translateX(3px); }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-logo {
  height: 44px;
  width: auto;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 8px 2px;
  color: var(--color-black);
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-blue);
  transition: right var(--transition);
}

.nav-link:hover { color: var(--color-blue); }
.nav-link:hover::after,
.nav-link.active::after { right: 0; }
.nav-link.active { color: var(--color-blue); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 72px 0 96px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.6rem, 4.6vw, 4rem);
  letter-spacing: -0.01em;
}

.text-accent { color: var(--color-green); }

.hero-text {
  margin-top: 28px;
  max-width: 46ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.hero .btn { margin-top: 36px; }

.hero-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Section headings / eyebrow
   ========================================================================== */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  margin-bottom: 40px;
}

.eyebrow-line {
  width: 34px;
  height: 3px;
  background: var(--color-green);
  border-radius: 2px;
}

/* ==========================================================================
   Activiteiten
   ========================================================================== */

.activiteiten {
  padding: 24px 0 112px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-blue-dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card h3 {
  font-size: 1.25rem;
  line-height: 1.3;
}

.card p {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.98rem;
  flex-grow: 1;
}

/* ==========================================================================
   Placeholder sections (Bedrijven)
   ========================================================================== */

.section-placeholder {
  padding: 96px 0 0;
  border-top: 1px solid var(--color-border);
}

.section-placeholder h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  max-width: 20ch;
}

.placeholder-note {
  margin-top: 18px;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ==========================================================================
   Logo slider
   ========================================================================== */

.logo-slider {
  margin-top: 64px;
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.logo-slider-track {
  display: flex;
  align-items: center;
  gap: 64px;
  width: max-content;
  animation: logo-scroll 26s linear infinite;
}

.logo-slider:hover .logo-slider-track { animation-play-state: paused; }

.logo-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
}

.logo-slide img { height: 100%; width: auto; }

.logo-slide-placeholder {
  padding: 0 20px;
  height: 48px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.logo-slide-placeholder span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

@keyframes logo-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   Footer / Contact
   ========================================================================== */

.site-footer {
  background: var(--color-blue-dark);
  color: #fff;
  padding: 64px 0 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 48px;
}

.footer-intro {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 480px;
}

.footer-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-intro h2 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.footer-intro p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--color-green); }

.footer-bottom {
  display: flex;
  align-items: center;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 0;
}
.footer-logo {
  height: 28px;
  width: auto;
}
.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

/* ==========================================================================
   Scroll-reveal
   ========================================================================== */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1080px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .card:last-child { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .hero { padding: 40px 0 72px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    height: calc(100vh - 84px);
    background: #fff;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .primary-nav.is-open { transform: translateX(0); }

  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 24px;
  }
  .primary-nav .nav-link {
    display: block;
    width: 100%;
    padding: 16px 4px;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .card-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-contact { width: 100%; }
  .btn-outline { width: 100%; justify-content: center; }

  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .header-inner { height: 72px; }
  .brand-logo { height: 34px; }
  .primary-nav { top: 72px; height: calc(100vh - 72px); }
}