body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #0e0016;
  color: #ffffff;
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 3rem 1rem;
}

.logo {
  width: 90px;
  margin-bottom: 1rem;
}

section {
  padding: 2.5rem 1.5rem;
  max-width: 900px;
  margin: auto;
}

h1, h2 {
  color: #b26cff;
}

.pricing {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.card {
  background: #1a0026;
  border-radius: 14px;
  padding: 1.5rem;
  flex: 1;
  min-width: 220px;
  border: 1px solid #ff9900;
}

.card.highlight {
  box-shadow: 0 0 20px rgba(255,153,0,0.25);
}

.price {
  font-size: 1.6rem;
  color: #ff9900;
}

.donation-box, .npub-box {
  background: #1a0026;
  padding: 1.5rem;
  border-radius: 14px;
  border: 1px solid #b26cff;
  text-align: center;
}

.lnaddr {
  font-size: 1.2rem;
  color: #ff9900;
  word-break: break-all;
}

button {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 20px;
  background: #ff9900;
  color: #000;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  opacity: 0.85;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  opacity: 0.7;
}