/* ============================================================
   UAI. — Formulário (Form Styles)
   ============================================================ */

.form-page {
  min-height: 100vh;
  background: var(--black);
  color: var(--on-black);
}

/* Hero Section */
.form-hero {
  position: relative;
  background: var(--black);
  padding: 130px 0 70px;
  border-bottom: 1px solid var(--line-on-black);
  overflow: hidden;
  isolation: isolate;
}

.form-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    repeating-linear-gradient(45deg, rgba(244, 242, 236, 0.05) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(-45deg, rgba(244, 242, 236, 0.035) 0 2px, transparent 2px 9px);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 85%);
}

.form-hero-ghost {
  position: absolute;
  z-index: -1;
  top: -10%;
  right: -3%;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: min(24vw, 280px);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-on-black-strong);
  text-transform: uppercase;
  user-select: none;
  pointer-events: none;
  letter-spacing: -0.02em;
}

.form-hero-content {
  position: relative;
  text-align: center;
}

.form-hero-content .eyebrow {
  color: var(--grey-on-black);
}

.form-hero-content h1 {
  font-size: clamp(40px, 7.5vw, 88px);
  max-width: 16ch;
  margin: 14px auto 20px;
}

.form-hero-content p {
  font-size: clamp(16px, 1.8vw, 19px);
  color: #D7D5CC;
  max-width: 560px;
  margin: 0 auto;
}

/* Form Container */
.form-container {
  padding: 60px 0;
}

.roda-form {
  max-width: 600px;
  margin: 0 auto;
}

/* Form Step */
.form-step {
  border: none;
  padding: 0;
  margin: 0 0 40px 0;
  display: none;
  animation: fadeIn 0.4s ease;
}

.form-step.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.form-step-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--on-black);
  margin-bottom: 32px;
  line-height: 0.92;
}

/* Form Group */
.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-on-black);
  font-weight: 600;
  margin-bottom: 12px;
}

.form-group small {
  display: block;
  font-size: 12px;
  color: var(--grey-on-black);
  margin-top: 6px;
  opacity: 0.8;
}

/* Input Fields */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--black);
  border: 1px solid var(--line-on-black-strong);
  border-radius: 6px;
  color: var(--on-black);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  transition: all 0.3s ease;
  outline: none;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
  border-color: var(--on-black);
  box-shadow: 0 0 0 3px rgba(244, 242, 236, 0.1);
}

/* Campos pré-preenchidos */
.form-group input.prefilled,
.form-group textarea.prefilled {
  background: rgba(76, 175, 80, 0.08);
  border-color: rgba(76, 175, 80, 0.4);
  cursor: not-allowed;
}

.form-group input.prefilled:focus,
.form-group textarea.prefilled:focus {
  border-color: rgba(76, 175, 80, 0.6);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--grey-on-black);
  opacity: 0.5;
}

.form-group textarea {
  resize: vertical;
  font-family: var(--font-body);
}

/* Options (Radio e Checkbox) */
.form-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-radio,
.option-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--black);
  border: 1px solid var(--line-on-black-strong);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 15px;
  user-select: none;
}

.option-radio:hover,
.option-checkbox:hover {
  border-color: var(--on-black);
  background: rgba(244, 242, 236, 0.05);
}

.option-radio input[type="radio"],
.option-checkbox input[type="checkbox"] {
  cursor: pointer;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.option-radio input[type="radio"]:checked + span,
.option-checkbox input[type="checkbox"]:checked + span {
  color: var(--on-black);
  font-weight: 600;
}

.option-radio input[type="radio"]:checked,
.option-checkbox input[type="checkbox"]:checked {
  accent-color: var(--on-black);
}

.option-radio input[type="radio"]:checked ~ *,
.option-radio:has(input[type="radio"]:checked),
.option-checkbox:has(input[type="checkbox"]:checked) {
  border-color: var(--on-black);
  background: rgba(244, 242, 236, 0.08);
}

/* Form Navigation */
.form-navigation {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--line-on-black);
}

.form-navigation button {
  min-width: 160px;
}

.btn-outline-light {
  background: transparent;
  border: 1px solid var(--on-black);
  color: var(--on-black);
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background: var(--on-black);
  color: var(--black);
}

/* Form Message */
.form-message {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 6px;
  text-align: center;
  font-size: 15px;
  animation: slideIn 0.3s ease;
}

.form-message.success {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #4CAF50;
}

.form-message.error {
  background: rgba(255, 67, 54, 0.1);
  border: 1px solid rgba(255, 67, 54, 0.3);
  color: #FF4336;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Progress Indicator */
.form-progress {
  margin-bottom: 40px;
  display: flex;
  gap: 8px;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-on-black-strong);
  transition: all 0.3s ease;
}

.progress-dot.active {
  background: var(--on-black);
  width: 24px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 768px) {
  .form-hero {
    padding: 90px 0 40px;
  }

  .form-hero-content h1 {
    font-size: 36px;
  }

  .form-container {
    padding: 40px 0;
  }

  .form-step-title {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .form-group {
    margin-bottom: 24px;
  }

  .form-navigation {
    flex-direction: column-reverse;
  }

  .form-navigation button {
    width: 100%;
  }

  .option-radio,
  .option-checkbox {
    padding: 14px 16px;
    font-size: 14px;
  }

  .form-options {
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .form-hero {
    padding: 80px 0 30px;
  }

  .form-hero-content h1 {
    font-size: 30px;
  }

  .form-hero-content p {
    font-size: 14px;
  }

  .form-container {
    padding: 30px 0;
  }

  .form-step-title {
    font-size: 20px;
    margin-bottom: 20px;
  }

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

  .form-group input,
  .form-group textarea {
    font-size: 16px; /* Evita zoom no iOS */
  }

  .option-radio,
  .option-checkbox {
    padding: 12px 14px;
    font-size: 13px;
  }
}