/* ── Variables ── */
:root {
  --color-bg-start: #e8f0fe;
  --color-bg-end: #f3e8ff;
  --color-card: #ffffff;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-light: #eef2ff;
  --color-text: #1e1b4b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(79, 70, 229, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
  --transition: 0.2s ease;
}

/* ── Reset & base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem 1rem;
}

.card {
  background: var(--color-card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 440px;
  padding: 2rem 2rem 2.25rem;
}

/* ── Header ── */
.card__header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.logo {
  width: 92px;
  height: auto;
  object-fit: contain;
  margin-bottom: 1rem;
}

.card__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.card__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ── Step indicator ── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 1.75rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.step__dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-border);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}

.step__label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition);
}

.step--active .step__dot {
  background: var(--color-primary);
  color: #fff;
}

.step--active .step__label {
  color: var(--color-primary);
  font-weight: 600;
}

.step--done .step__dot {
  background: var(--color-success);
  color: #fff;
}

.step--done .step__label {
  color: var(--color-success);
}

.step__line {
  width: 40px;
  height: 2px;
  background: var(--color-border);
  margin: 0 0.25rem;
  margin-bottom: 1.1rem;
  transition: background var(--transition);
}

.step__line--done {
  background: var(--color-success);
}

/* ── Alert messages ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.alert--error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid #fecaca;
}

.alert--success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid #a7f3d0;
}

/* ── Form steps ── */
.form-step {
  display: none;
}

.form-step--active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Fields ── */
.field {
  margin-bottom: 1.125rem;
}

.field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.field input,
.field select {
  width: 100%;
  padding: 0.7rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: #fafafa;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  appearance: none;
}

.field 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='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.25rem;
  cursor: pointer;
}

.field input:focus,
.field select:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.field input.input--error,
.field select.input--error {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.field__locked {
  padding: 0.7rem 0.875rem;
  background: var(--color-primary-light);
  border: 1.5px solid #c7d2fe;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-primary);
  font-weight: 500;
  word-break: break-all;
}

.field__hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

.field__error {
  display: block;
  font-size: 0.75rem;
  color: var(--color-error);
  margin-top: 0.35rem;
  min-height: 1.1em;
}

.field--turnstile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.turnstile-container {
  min-height: 65px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.turnstile-container--loading {
  min-height: 65px;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Honeypot: oculto para humanos, visible para bots */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.8rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform 0.1s ease, opacity var(--transition);
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  margin-top: 0.5rem;
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn--primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn--loading {
  position: relative;
  color: transparent !important;
}

.btn--loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Responsive ── */
@media (max-width: 480px) {
  .card {
    padding: 1.5rem 1.25rem 1.75rem;
    border-radius: 16px;
  }

  .logo {
    width: 82px;
  }

  .card__title {
    font-size: 1.3rem;
  }

  .step__line {
    width: 28px;
  }

  .step__label {
    font-size: 0.65rem;
  }
}