* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.logo {
  height: 120px;
}

.donate-button {
  background-color: #e31837;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  transition: background-color 0.2s ease;
}

.donate-button:hover {
  background-color: #c41530;
}

.donation-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  padding: 40px;
  max-width: 600px;
  margin: 48px auto;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

h1 {
  font-size: 28px;
  color: #1a1f36;
  margin-bottom: 20px;
  line-height: 1.3;
  font-weight: 600;
}

p {
  color: #4f566b;
  line-height: 1.6;
  margin-bottom: 32px;
  font-size: 16px;
}

.secure-donation {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #2c5282;
  margin-bottom: 24px;
  font-size: 14px;
}

.donation-type {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.type-btn {
  flex: 1;
  padding: 14px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  background: white;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 15px;
  font-weight: 500;
}

.type-btn.active {
  border-color: #4299e1;
  background: #ebf8ff;
  color: #2b6cb0;
}

.amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.amount-btn {
  padding: 16px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  background: white;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 15px;
  font-weight: 500;
}

.amount-btn:hover,
.amount-btn.active {
  border-color: #4299e1;
  background: #ebf8ff;
  color: #2b6cb0;
}

.custom-amount {
  display: flex;
  align-items: center;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 14px;
  margin-bottom: 24px;
  transition: border-color 0.2s ease;
}

.custom-amount:focus-within {
  border-color: #4299e1;
  box-shadow: 0 0 0 1px #4299e1;
}

.currency {
  color: #4f566b;
  margin-right: 10px;
  font-size: 15px;
}

.amount-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  color: #1a1f36;
}

.currency-code {
  color: #4f566b;
  margin-left: 10px;
  font-size: 15px;
}

.donate-now-btn {
  width: 100%;
  padding: 16px;
  margin-top: 15px;
  background: #e31837;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 20px;
  transition: background-color 0.2s ease;
}

.donate-now-btn:hover {
  background-color: #c41530;
}

.security-info {
  text-align: center;
  color: #4299e1;
  cursor: pointer;
  margin: 0;
  font-size: 14px;
  transition: color 0.2s ease;
}

.security-info:hover {
  color: #2b6cb0;
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .donation-card {
    padding: 24px;
    margin: 0px auto;
    border-radius: 8px;
  }

  h1 {
    font-size: 24px;
  }

  .amount-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .donation-type {
    flex-direction: column;
  }

  .type-btn {
    width: 100%;
  }
}