* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #111;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px 20px;
}

.card {
  max-width: 520px;
  width: 100%;
  text-align: center;
  padding: 40px 24px;
}

.logo {
  max-width: 260px;
  width: 70%;
  height: auto;
  margin-bottom: 28px;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 14px;
  line-height: 1.25;
  color: #111;
}

.sku {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: #666;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.price-label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #888;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.price {
  font-size: 56px;
  font-weight: 700;
  color: #111;
  letter-spacing: -0.02em;
}

.not-found .note,
.unavailable .note {
  color: #666;
  font-size: 15px;
  line-height: 1.5;
  margin: 18px auto 0;
  max-width: 380px;
}

.unavailable .sku { margin-bottom: 16px; }

.badge {
  display: inline-block;
  background: #c23028;
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  margin: 4px 0 8px;
}

@media (max-width: 420px) {
  h1 { font-size: 24px; }
  .price { font-size: 44px; }
  .logo { max-width: 200px; }
}