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

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(84, 137, 255, 0.22), transparent 35%),
    linear-gradient(180deg, #09111f 0%, #101a35 100%);
  color: #eef4ff;
  font-family: Arial, sans-serif;
}

.container {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 48px 16px 64px;
}

.eyebrow {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #9fd3ff;
  font-size: 0.85rem;
  margin-bottom: 14px;
}

h1 {
  text-align: center;
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 16px;
}

.intro {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
  color: #c1d5ff;
  line-height: 1.6;
  font-size: 1.05rem;
}

.kaart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.kaart-link {
  text-decoration: none;
  color: inherit;
}

.kaart {
  height: 100%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(159, 211, 255, 0.18);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(3, 10, 24, 0.28);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.kaart-link:hover .kaart {
  transform: translateY(-4px);
  border-color: rgba(159, 211, 255, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.kaart-icoon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.kaart h2 {
  margin-bottom: 12px;
  color: #f8fbff;
  font-size: 1.35rem;
}

.kaart p {
  color: #c1d5ff;
  line-height: 1.55;
  margin-bottom: 18px;
}

.kaart-actie {
  color: #9fd3ff;
  font-weight: 700;
}

@media (max-width: 640px) {
  .container {
    padding-top: 36px;
  }
}