/* Global Styles */
:root {
  --primary: #1e6fff;
  --primary-dark: #0b47a0;
  --primary-light: #e8f1ff;
  --dark: #0b2546;
  --muted: #6b7c93;
  --border: #e6eefb;
  --background: #f6fbff;
  --white: #ffffff;
  --error: #d32f2f;
  --success: #2e7d32;
  --radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, var(--background) 0%, var(--white) 100%);
  color: var(--dark);
  line-height: 1.6;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.header .subtitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.header .tagline {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 0;
}

/* Card */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.06);
}

/* Step Indicator */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
  gap: 8px;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  border: 2px solid var(--border);
  color: var(--muted);
  background: var(--white);
}

.step.active .step-number {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.step-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.step.active .step-label {
  color: var(--primary);
}

.step-connector {
  width: 24px;
  height: 2px;
  background: var(--border);
  margin: 0 12px;
}

/* Forms */
.form-section {
  margin-bottom: 24px;
}

.form-section h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 16px;
}

.form-section h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--white);
  color: var(--dark);
  transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Payment Methods */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.payment-option {
  display: flex;
  align-items: center;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.payment-option:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.payment-option input[type="radio"] {
  width: auto;
  margin-right: 12px;
  cursor: pointer;
}

.radio-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  cursor: pointer;
}

/* Wallet Box */
.wallet-box {
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.wallet-address {
  font-size: 13px;
  font-family: "Courier New", monospace;
  color: var(--dark);
  word-break: break-all;
  flex: 1;
}

.copy-success {
  color: var(--success);
  font-size: 13px;
  margin-top: 8px;
  font-weight: 600;
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.file-upload:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.file-upload input[type="file"] {
  display: none;
}

.file-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.file-name {
  display: block;
  font-size: 12px;
  color: var(--success);
  margin-top: 8px;
}

/* Checkbox */
.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.checkbox-option input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-option span {
  font-size: 14px;
  color: var(--dark);
  line-height: 1.5;
}

/* Fee Info */
.fee-info {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 14px 16px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.fee-info p {
  font-size: 14px;
  color: var(--dark);
  margin: 0;
}

/* Error Messages */
.error-message {
  display: block;
  color: var(--error);
  font-size: 12px;
  margin-top: 6px;
}

/* Alerts */
.alert {
  padding: 14px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-size: 14px;
}

.alert-success {
  background: #f1f8f4;
  color: var(--success);
  border-left: 4px solid var(--success);
}

/* Marketing Section */
.marketing-section {
  margin-bottom: 40px;
}

.marketing-section .header {
  margin-bottom: 24px;
}

.marketing-section h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.marketing-content {
  color: var(--dark);
  line-height: 1.8;
}

.marketing-content h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 20px 0 12px 0;
}

.marketing-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin: 16px 0 8px 0;
}

.marketing-content p {
  font-size: 15px;
  margin-bottom: 16px;
  color: var(--dark);
}

.marketing-content ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 16px 0;
}

.marketing-content li {
  font-size: 15px;
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--dark);
}

.marketing-content li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.marketing-cta {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  padding: 16px;
  background: var(--primary-light);
  border-radius: 8px;
  margin: 24px 0;
  border-left: 4px solid var(--primary);
}

/* Buttons */
.btn {
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  width: 100%;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 111, 255, 0.3);
}

.btn-secondary {
  background: var(--border);
  color: var(--dark);
}

.btn-secondary:hover {
  background: #cfd9f0;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.form-actions .btn {
  flex: 1;
}

/* Mobile Responsive */
@media (max-width: 600px) {
  .container {
    padding: 16px;
  }

  .card {
    padding: 20px 16px;
  }

  .header h1 {
    font-size: 24px;
  }

  .step-indicator {
    margin-bottom: 24px;
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .step-connector {
    width: 16px;
  }

  .wallet-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .wallet-address {
    width: 100%;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  .marketing-section h1 {
    font-size: 24px;
  }

  .marketing-content h2 {
    font-size: 18px;
  }

  .marketing-content h3 {
    font-size: 15px;
  }
}