:root {
  --text: #11233d;
  --muted: #5d6f88;
  --accent: #1d78f2;
  --accent-dark: #1558b6;
  --border: rgba(18, 47, 89, 0.1);
  --surface: rgba(255, 255, 255, 0.94);
  --surface-soft: rgba(255, 255, 255, 0.72);
  --bg-top: rgba(29, 120, 242, 0.12);
  --bg-bottom: rgba(17, 35, 61, 0.05);
  --card-shadow: 0 28px 80px rgba(18, 39, 72, 0.12);
  --soft-shadow: 0 16px 34px rgba(18, 39, 72, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, var(--bg-top), transparent 28%),
    radial-gradient(circle at bottom, var(--bg-bottom), transparent 30%),
    linear-gradient(180deg, #f9fbff 0%, #eef3f8 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(760px, calc(100% - 20px));
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 0 max(20px, env(safe-area-inset-bottom));
}

.hero-card {
  padding: 22px;
  border-radius: 34px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88));
  backdrop-filter: blur(20px);
  box-shadow: var(--card-shadow);
}

.hero-copy {
  max-width: 38rem;
  margin: 0 auto;
  text-align: center;
}

.hero-kicker {
  margin-bottom: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.section-label {
  margin: 0 0 6px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 8.5ch;
  font-size: clamp(2.05rem, 5vw, 3.55rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
  margin-left: auto;
  margin-right: auto;
}

.intro {
  margin-top: 8px;
  max-width: 34ch;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
}

.barcode-panel {
  margin-top: 12px;
  padding: 10px;
  border-radius: 26px;
  border: 1px solid rgba(18, 47, 89, 0.06);
  background: linear-gradient(180deg, #ffffff, rgba(248, 251, 255, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88), var(--soft-shadow);
}

.barcode-stage {
  padding: 4px;
  border-radius: 20px;
  border: 1px solid rgba(18, 47, 89, 0.05);
  background:
    linear-gradient(180deg, rgba(245, 249, 255, 0.92), rgba(255, 255, 255, 1)),
    repeating-linear-gradient(
      135deg,
      rgba(18, 47, 89, 0.012),
      rgba(18, 47, 89, 0.012) 12px,
      transparent 12px,
      transparent 24px
    );
}

.bonuskaart-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  image-rendering: -webkit-optimize-contrast;
}

.legal-copy {
  margin-top: 12px;
  text-align: center;
  font-size: 0.56rem;
  line-height: 1.4;
  color: rgba(93, 111, 136, 0.62);
}

.topic-links,
.content-block,
.faq-block,
.site-footer {
  margin-top: 20px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.topic-card {
  display: block;
  padding: 15px;
  text-decoration: none;
  border-radius: 20px;
  background: var(--surface-soft);
  border: 1px solid rgba(18, 47, 89, 0.06);
  box-shadow: 0 10px 24px rgba(18, 39, 72, 0.04);
}

.topic-card strong {
  display: block;
  font-size: 0.98rem;
}

.topic-card span {
  display: block;
  margin-top: 6px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--muted);
}

.content-block {
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(18, 47, 89, 0.06);
  background: var(--surface-soft);
}

.content-block h2 {
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.content-block p + p {
  margin-top: 10px;
}

.content-block p {
  margin-top: 10px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted);
}

.faq-block {
  display: grid;
  gap: 10px;
}

.faq-item {
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(18, 47, 89, 0.05);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 10px 24px rgba(18, 39, 72, 0.04);
}

.faq-item summary {
  position: relative;
  padding-right: 26px;
  cursor: pointer;
  list-style: none;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 0;
  right: 0;
  color: var(--accent-dark);
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  margin-top: 7px;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

.site-footer {
  padding-top: 4px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.footer-nav a {
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--accent-dark);
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 10px, 760px);
    padding-top: max(8px, env(safe-area-inset-top));
  }

  .hero-card {
    padding: 12px;
    border-radius: 24px;
  }

  h1 {
    font-size: clamp(1.8rem, 9vw, 2.3rem);
    max-width: 8.5ch;
  }

  .hero-kicker {
    margin-bottom: 5px;
    font-size: 0.66rem;
  }

  .intro {
    max-width: 30ch;
    font-size: 0.84rem;
  }

  .barcode-panel {
    margin-top: 10px;
    padding: 6px;
    border-radius: 16px;
  }

  .barcode-stage {
    padding: 0;
    border-radius: 12px;
    border: 0;
  }

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

  .content-block {
    padding: 14px;
    border-radius: 18px;
  }

  .faq-item {
    padding: 11px 12px;
    border-radius: 15px;
  }

  .faq-item summary {
    font-size: 0.86rem;
  }

  .faq-item p,
  .topic-card span,
  .content-block p {
    font-size: 0.84rem;
  }

  .legal-copy {
    font-size: 0.5rem;
  }

  .footer-nav a {
    font-size: 0.8rem;
  }
}