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

:root {
  --primary: #5c1a1a;
  --primary-light: #7a2e2e;
  --bg: #faf8f5;
  --card-bg: #ffffff;
  --text: #2c2c2c;
  --text-muted: #6b6b6b;
  --border: #d4cfc8;
  --error: #c0392b;
  --success: #27ae60;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 720px;
  padding: 24px 20px 40px;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  margin-bottom: 12px;
}

.lang-btn {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.lang-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 28px;
}

.header img {
  max-width: 240px;
  max-height: 140px;
  height: auto;
  width: auto;
  margin-bottom: 12px;
}

.header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
}

.header p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Form rows */
.form-row {
  display: grid;
  gap: 16px;
  margin-bottom: 0;
}

.form-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-row-2 {
  grid-template-columns: 1fr 1fr;
}

/* Form */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group label .required {
  color: var(--error);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text);
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b6b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(92, 26, 26, 0.15);
}

.form-group input.error,
.form-group select.error {
  border-color: var(--error);
}

.form-group .error-msg,
.consent-section .error-msg {
  font-size: 0.75rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.form-group .error-msg.visible,
.consent-section .error-msg.visible {
  display: block;
}

/* Date of birth — 3 inputs in a row */
.dob-row {
  display: flex;
  gap: 8px;
}

.dob-row input,
.dob-row select {
  flex: 1;
  text-align: center;
}

/* Consent section */
.consent-section {
  margin-top: 4px;
  margin-bottom: 4px;
}

.consent-text {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.consent-footer {
  font-size: 0.8125rem;
  color: var(--primary);
  font-style: italic;
  margin-top: 12px;
  line-height: 1.5;
}

.consent-footer a {
  color: var(--primary);
  text-decoration: underline;
}

.consent-footer a:hover {
  color: var(--primary-light);
}

#marketing-label {
  font-weight: 600;
  color: var(--text);
}

/* Checkboxes */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary);
  appearance: auto;
  -webkit-appearance: auto;
}

.checkbox-group label {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--text-muted);
  cursor: pointer;
}

/* Submit */
.btn-submit {
  display: block;
  width: auto;
  min-width: 160px;
  margin: 24px auto 0;
  padding: 14px 40px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit:hover {
  background: var(--primary-light);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Loading spinner */
.btn-submit.loading {
  position: relative;
  color: transparent;
}

.btn-submit.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin: -10px 0 0 -10px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: none;
}

.alert.alert-error {
  background: #fdecea;
  color: var(--error);
  display: block;
}

.alert.alert-success {
  background: #e8f8ef;
  color: var(--success);
  display: block;
}

/* Success page */
.success-page {
  text-align: center;
  padding-top: 60px;
}

.success-page .icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.success-page h1 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.success-page p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Error page */
.error-page {
  text-align: center;
  padding-top: 60px;
}

.error-page .icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.error-page h1 {
  font-size: 1.5rem;
  color: var(--error);
  margin-bottom: 8px;
}

.error-page p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-link {
  display: inline-block;
  padding: 12px 32px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s;
}

.btn-link:hover {
  background: var(--primary-light);
}

/* Secondary (Pacheca 1738) logo — always shown unless primary already is Pacheca */
.secondary-logo {
  text-align: center;
  margin-top: 24px;
}

.secondary-logo img {
  max-width: 110px;
  max-height: 60px;
  height: auto;
  width: auto;
  opacity: 0.85;
}

/* Footer */
.footer {
  text-align: center;
  padding: 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Responsive — stack on small screens */
@media (max-width: 560px) {
  .container {
    max-width: 480px;
  }

  .form-row-3,
  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .btn-submit {
    width: 100%;
    padding: 14px;
  }
}