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

body {
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background: #e9f3f7;
  color: #1f2a36;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.landing {
  width: min(960px, 100%);
  text-align: center;
}

h1 {
  font-size: 32px;
  margin-bottom: 24px;
  font-weight: 600;
}

.qr-badge {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.qr-image {
  width: 64px;
  height: 64px;
  background: #ffffff;
  border-radius: 8px;
  padding: 6px;
  border: 1px solid rgba(31, 42, 54, 0.15);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  text-decoration: none;
  color: #ffffff;
  background: #1f2a36;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 18px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.card:hover {
  transform: translateY(-2px);
  background: #223143;
  border-color: rgba(255, 255, 255, 0.35);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
}

@media (max-width: 600px) {
  h1 {
    font-size: 26px;
  }
}