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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
  background-color: #ffffff;
  line-height: 1.7;
}

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

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

/* Layout */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 40;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-area {
  display: flex;
  align-items: center;
}

.brand-logo {
  padding: 0;
}

.brand-logo img { height: 90px; }

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.nav-links a {
  position: relative;
  padding-bottom: 0.1rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: #111827;
  transition: width 0.18s ease-out;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  border: 1px solid #111827;
  font-weight: 600;
}

/* Language switch */

.lang-switch {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.8rem;
}

.lang-btn {
  border-radius: 999px;
  border: 1px solid #d1d5db;
  background: #f9fafb;
  color: #111827;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
}

.lang-btn-active {
  background: #111827;
  border-color: #111827;
  color: #ffffff;
}

/* Hero */

.hero {
  background: linear-gradient(135deg, #f9fafb 0, #eef2ff 45%, #f3f4f6 100%);
  padding: 4.25rem 0 3.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #6b7280;
  margin-bottom: 0.7rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 2.8vw + 1.4rem, 2.9rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  color: #111827;
}

.hero p {
  margin: 0 0 1.25rem;
  color: #374151;
}

.hero-tagline {
  color: #4b5563;
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary {
  background: #111827;
  color: #f9fafb;
}

.btn-primary:hover {
  background: #030712;
}

.btn-secondary {
  border: 1px solid #d1d5db;
  color: #111827;
  background: #ffffff;
}

.btn-secondary:hover {
  background: #f3f4f6;
}

/* Sections */

.section {
  padding: 3rem 0;
  background-color: #ffffff;
}

.section-alt {
  padding: 3rem 0;
  background-color: #f9fafb;
}

.section-narrow {
  max-width: 840px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: 1.7rem;
  margin: 0 0 0.5rem;
  color: #111827;
}

.section-header p {
  max-width: 680px;
  color: #374151;
}

/* Grid & cards */

.grid {
  display: grid;
  gap: 1.75rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.75rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  border: 1px solid #e5e7eb;
}

.card-muted {
  box-shadow: none;
  border: 1px solid #e5e7eb;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  color: #111827;
}

.card p {
  margin-top: 0;
  color: #4b5563;
}

/* Badge */

.badge {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
}

/* Lists */

.list {
  padding-left: 1.1rem;
  margin: 0.75rem 0 0;
}

.list li {
  margin-bottom: 0.35rem;
  color: #4b5563;
}

/* Contact */

.contact-box {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.75rem;
  border: 1px solid #e5e7eb;
}

/* CTA */

.section-cta {
  text-align: center;
}

.section-cta p {
  max-width: 520px;
  margin: 0.5rem auto 1.4rem;
}

/* Footer */

.site-footer {
  background: #f9fafb;
  color: #6b7280;
  padding: 1.5rem 0;
  font-size: 0.85rem;
  border-top: 1px solid #e5e7eb;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

/* Utility */

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

.text-muted {
  color: #6b7280;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 3.2rem 0 2.8rem;
  }

  .section,
  .section-alt {
    padding: 2.5rem 0;
  }
}

/* Language toggle logic */

.lang {
  display: none;
}

[data-lang="en"] .lang-en { display: inline; }
[data-lang="en"] .lang-nl { display: none; }

[data-lang="nl"] .lang-en { display: none; }
[data-lang="nl"] .lang-nl { display: inline; }