body {
  margin: 0;
  font-family: ui-sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;

  background: linear-gradient(
  to right,
  #434343,
  #000000
); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
/* from https://cssgradient.io/gradient-backgrounds/ */
}

a {
  color: inherit;
  text-decoration: none; /* removes the underline */
}

/* back button */
a > button {
  position: fixed;
  top: 16px;
  left: 16px;
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}
a > button:hover {
  background: #e9eef6;
}

#donationContainer {
  width: 100%;
  max-width: 440px;
  border: 0.5px solid black;
  border-radius: 16px;
  padding: 28px 24px;
  background-color: white;
  margin-top: 10%;
}

#donationContainer h2 {
  margin: 0 0 18px;
  font-size: 28px;
  text-align: center;
}

#externalContainer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 6px 0 10px;
}

#externalContainer h3 {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  text-align: center;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.2px;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.12);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  color: #fff;
}

#externalContainer h3:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.16);
  filter: brightness(1.03);
}

/* Brand colors (match the A position, then style its H3) */
#externalContainer a:nth-child(1) h3 {
  background: #00c244;
} /* CashApp */
#externalContainer a:nth-child(2) h3 {
  background: #3d95ce;
} /* Venmo */
#externalContainer a:nth-child(3) h3 {
  background: #003087;
} /* PayPal */

#donationContainer > h5 {
  margin: 10px 0 0;
  text-align: center;
  font-weight: 500;
}

#contactInfo {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid grey;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}
#contactInfo h5 {
  margin: 0;
  color: #475569;
  font-weight: 600;
}
#contactInfo h3 {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
}

@media (max-width: 380px) {
  #donationContainer {
    padding: 22px 16px;
  }
  #externalContainer {
    grid-template-columns: 1fr;
  }
}