:root {
  --up-lime: #CCFF02;
  --up-dark: #1A1A1A;
  --up-white: #FFFFFF;
  --up-gray-light: #F5F5F5;
  --up-radius: 12px;
  --up-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  --up-font: 'Poppins', sans-serif;
}

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

body {
  font-family: var(--up-font);
  color: var(--up-dark);
  background: var(--up-white);
  line-height: 1.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--up-radius);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--up-font);
  font-size: 1rem;
}

.btn-primary {
  background: var(--up-lime);
  color: var(--up-dark);
}

.btn-primary:hover { filter: brightness(0.92); }

.btn-outline {
  background: transparent;
  color: var(--up-white);
  border: 2px solid var(--up-white);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  position: sticky;
  top: 0;
  background: var(--up-white);
  box-shadow: var(--up-shadow);
  z-index: 100;
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
}

.site-header .brand img { width: 40px; height: 40px; }

#nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--up-dark);
  font-weight: 500;
}

@media (max-width: 768px) {
  #nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--up-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 16px;
    display: none;
    box-shadow: var(--up-shadow);
  }
  .nav-links.nav-open { display: flex; }
}

.site-footer {
  background: var(--up-dark);
  color: var(--up-white);
  padding: 40px 24px;
  text-align: center;
}

.site-footer .brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.site-footer .brand img { width: 32px; height: 32px; }

.site-footer a { color: var(--up-lime); text-decoration: none; }

.site-footer .fine-print {
  margin-top: 16px;
  font-size: 0.85rem;
  color: #999;
}

#hero {
  background: linear-gradient(135deg, var(--up-dark) 0%, #2b2b2b 100%);
  color: var(--up-white);
  padding: 96px 24px;
  text-align: center;
}

#hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  max-width: 800px;
  margin: 0 auto 20px;
}

#hero h1 .highlight { color: var(--up-lime); }

#hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 32px;
  color: #ddd;
}

#diensten {
  padding: 80px 24px;
}

#diensten h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 48px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.service-card {
  background: var(--up-white);
  border-radius: var(--up-radius);
  box-shadow: var(--up-shadow);
  padding: 32px;
  text-align: center;
}

.service-card .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--up-dark);
}

.service-card h3 { margin-bottom: 12px; font-size: 1.2rem; }
.service-card p { color: #555; font-size: 0.95rem; }

#projecten {
  padding: 80px 24px;
  background: var(--up-gray-light);
}

#projecten h2 { text-align: center; font-size: 2rem; margin-bottom: 12px; }

#projecten .section-note {
  text-align: center;
  color: #666;
  max-width: 600px;
  margin: 0 auto 48px;
}

.before-after-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.before-after-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--up-radius);
  overflow: hidden;
  box-shadow: var(--up-shadow);
}

.before-after-pair .block {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--up-white);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.before-after-pair .before { background: linear-gradient(135deg, #888, #555); }
.before-after-pair .after { background: linear-gradient(135deg, var(--up-lime), #9fce00); color: var(--up-dark); }

#werkwijze { padding: 80px 24px; }
#werkwijze h2 { text-align: center; font-size: 2rem; margin-bottom: 48px; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.step-card { text-align: center; }

.step-card .step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--up-lime);
  color: var(--up-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.step-card p { color: #555; font-size: 0.95rem; }

#waarom {
  background: var(--up-dark);
  color: var(--up-white);
  padding: 80px 24px;
}

#waarom h2 { text-align: center; font-size: 2rem; margin-bottom: 48px; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.value-card { text-align: center; }

.value-card .icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  color: var(--up-lime);
}

.value-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.value-card p { color: #ccc; font-size: 0.9rem; }

#reviews { padding: 80px 24px; }
#reviews h2 { text-align: center; font-size: 2rem; margin-bottom: 8px; }

#reviews .section-note {
  text-align: center;
  color: #666;
  max-width: 600px;
  margin: 0 auto 48px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.review-card {
  background: var(--up-gray-light);
  border-radius: var(--up-radius);
  padding: 28px;
}

.review-card p.quote { font-style: italic; margin-bottom: 16px; color: #333; }
.review-card p.author { font-weight: 600; }

#contact {
  padding: 80px 24px;
  background: var(--up-gray-light);
}

#contact h2 { text-align: center; font-size: 2rem; margin-bottom: 12px; }

#contact .section-note {
  text-align: center;
  color: #666;
  max-width: 600px;
  margin: 0 auto 48px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

.contact-direct { display: flex; flex-direction: column; gap: 16px; }

.contact-direct a.btn { text-align: center; }

#contact-form { display: flex; flex-direction: column; gap: 16px; }

#contact-form label { font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; display: block; }

#contact-form input,
#contact-form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-family: var(--up-font);
  font-size: 1rem;
}

#contact-form textarea { min-height: 120px; resize: vertical; }

#form-status {
  font-weight: 600;
  min-height: 1.2em;
}

#form-status.success { color: #2f7d32; }
#form-status.error { color: #c62828; }