:root {
  --fg: #1a1a1a;
  --bg: #fafafa;
  --accent: #f5c518;
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.app {
  width: min(36rem, 92vw);
  padding: 2rem;
  text-align: center;
}

.hero h1 {
  font-weight: 800;
  font-size: 2.5rem;
  margin: 0.25rem 0 0;
  letter-spacing: -0.02em;
}

.logo {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
}

.tag {
  color: #666;
  margin-top: 0.25rem;
}

.counter {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.btn {
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
}

.btn:active {
  transform: scale(0.94);
}

.val {
  min-width: 2.5rem;
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
}

.features {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.features li {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #eee;
  font-size: 0.85rem;
}