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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

header {
  text-align: center;
  margin-bottom: 48px;
}

header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #1a1a1a;
}

header p {
  margin-top: 8px;
  font-size: 15px;
  color: #666;
}

.meta {
  margin-top: 12px;
  font-size: 13px;
  color: #999;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 800px;
  width: 100%;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  border: 1px solid #e8e8e8;
  transition: box-shadow 0.15s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 36px;
  line-height: 1;
}

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

.card-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.5;
}

.card-status {
  font-size: 13px;
  color: #4caf50;
}

.card-status--beta {
  color: #ff9800;
}

.card-arrow {
  margin-top: auto;
  padding-top: 16px;
  font-size: 13px;
  color: #999;
}

footer {
  margin-top: 48px;
  font-size: 13px;
  color: #bbb;
}