:root {
  --cc-blue: #0b72ba;
  --cc-navy: #13293d;
  --cc-navy-2: #0d1f30;
  --cc-text: #eaf2f8;
  --cc-muted: #9fb3c8;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: radial-gradient(1200px 800px at 50% -10%, #1c3c5a 0%, var(--cc-navy) 45%, var(--cc-navy-2) 100%);
  color: var(--cc-text);
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.card {
  width: 100%;
  max-width: 560px;
  text-align: center;
}

.logo {
  width: 96px;
  height: 96px;
  margin: 0 auto 28px;
  display: block;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.45));
}

h1 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0 auto;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.6;
  color: var(--cc-muted);
}

.regions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}

.region {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 22px;
  border: 1px solid rgba(159, 179, 200, 0.25);
  border-radius: 12px;
  background: rgba(11, 114, 186, 0.08);
  color: var(--cc-text);
  text-align: left;
  text-decoration: none;
  transition:
    border-color 0.15s ease,
    background-color 0.15s ease,
    transform 0.15s ease;
}

.region:hover,
.region:focus-visible {
  border-color: var(--cc-blue);
  background: rgba(11, 114, 186, 0.18);
  transform: translateY(-1px);
}

.region:focus-visible {
  outline: 2px solid var(--cc-blue);
  outline-offset: 2px;
}

.region-label {
  font-size: 18px;
  font-weight: 500;
}

.region-description {
  font-size: 14px;
  color: var(--cc-muted);
}

.region-host {
  font-size: 13px;
  color: var(--cc-blue);
}

.bookmark-note {
  margin: 28px auto 0;
  max-width: 46ch;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cc-muted);
}

.footer {
  margin-top: 36px;
  font-size: 13px;
  color: rgba(159, 179, 200, 0.7);
}

.footer a {
  color: var(--cc-muted);
}

@media (prefers-reduced-motion: reduce) {
  .region {
    transition: none;
  }
}