:root {
  --blue: #4a84ff;
  --blue-dark: #0b3e99;
  --yellow: #ffd81a;
  --ink: #0f1e2c;
  --ink-soft: #10263a;
  --paper: rgba(244, 250, 255, 0.88);
  --paper-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(15, 30, 44, 0.13);
  --shadow: 0 18px 38px rgba(0, 0, 0, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(rgba(74, 132, 255, 0.82), rgba(74, 132, 255, 0.70)),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.24), transparent 32%),
    url("homepage-achtergrond.jpg") center center / cover no-repeat fixed;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 28px;
  background: rgba(11, 34, 56, 0.82);
  color: #ffffff;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  min-width: 190px;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  font-size: 13px;
  opacity: 0.88;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.top-nav a {
  display: inline-block;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.top-nav a:hover,
.top-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

.hero {
  padding: 88px 28px 34px;
}

.hero-content,
.content-shell {
  width: min(1100px, 100%);
  margin: 0 auto;
}

.hero-content {
  padding: 38px 40px;
  border-radius: 28px;
  background: rgba(244, 250, 255, 0.74);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.36);
  backdrop-filter: blur(4px);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

h1 {
  margin: 0 0 18px;
  max-width: 840px;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.02;
  color: #0b2238;
}

.intro {
  margin: 0;
  max-width: 820px;
  font-size: 21px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-block;
  padding: 14px 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.button-primary {
  background: rgba(11, 34, 56, 0.92);
  color: #ffffff;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  color: #0b2238;
  border: 1px solid rgba(11, 34, 56, 0.18);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.content-shell {
  padding: 0 28px 54px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card,
.panel,
.contact-panel {
  border-radius: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(3px);
}

.card {
  padding: 26px 24px;
  min-height: 270px;
}

.card h2,
.panel h2,
.contact-panel h2 {
  margin: 0 0 14px;
  font-size: 27px;
  line-height: 1.2;
  color: #0b2238;
}

.card p,
.panel p,
.contact-panel p {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.card p + p,
.panel p + p {
  margin-top: 14px;
}

.panel,
.contact-panel {
  margin-top: 28px;
  padding: 28px 30px;
}

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--paper-strong);
}

.site-footer {
  padding: 14px 20px 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
}

@media (max-width: 900px) {
  .site-header {
    position: relative;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 18px;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero {
    padding: 34px 18px 22px;
  }

  .hero-content {
    padding: 28px 22px;
  }

  .content-shell {
    padding: 0 18px 40px;
  }

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

  .card {
    min-height: 0;
  }

  .contact-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .top-nav a,
  .button {
    width: 100%;
    text-align: center;
  }

  .brand {
    min-width: 0;
  }
}