:root {
  color-scheme: light dark;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: #f3f4f6;
  color: #1f2933;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: radial-gradient(circle at top, #ffffff, #dfe7f5 60%, #cbd5f0 100%);
}

.card {
  width: min(480px, 100%);
  padding: 48px 40px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.1);
  text-align: center;
}

.card h1 {
  margin: 0 0 12px;
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0 0 28px;
  font-size: 1.1rem;
  color: #52606d;
}

.region-grid {
  display: grid;
  gap: 18px;
}

.region {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 32px 24px;
  border-radius: 16px;
  text-decoration: none;
  color: #0f172a;
  background: radial-gradient(circle at top, #fdfdfd, #dbeafe 65%, #bfdbfe 100%);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.region-emoji {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1;
}

.region-label {
  font-size: 1.05rem;
  font-weight: 600;
}

.region:hover,
.region:focus {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.2);
}

.region:focus-visible {
  outline: 3px solid #1d4ed8;
  outline-offset: 4px;
}

@media (min-width: 640px) {
  .region-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}