/* ============================================================
   Odentz · Pesquisa de avaliação
   Design system espelhado da LP principal (consistência de marca)
   ============================================================ */

:root {
  --odz-lime: #d9df38;
  --odz-lime-600: #c4ca28;
  --odz-lime-100: #f6f8c8;
  --odz-graphite: #2a2a2a;
  --odz-gray-700: #5a5a5a;
  --odz-gray-600: #747474;
  --odz-gray-500: #8a8a8a;
  --odz-gray-300: #cfd4db;
  --odz-gray-200: #e3e6ea;
  --odz-gray-100: #f3f4f6;
  --odz-gray-50:  #fafbfc;
  --odz-white: #ffffff;
  --odz-success: #2f9e69;
  --odz-error: #e63946;

  --odz-font-display: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
  --odz-font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --odz-shadow-1: 0 1px 2px rgba(20,20,20,.06), 0 1px 1px rgba(20,20,20,.04);
  --odz-shadow-2: 0 4px 12px rgba(20,20,20,.08), 0 1px 2px rgba(20,20,20,.04);
  --odz-shadow-3: 0 12px 32px rgba(20,20,20,.10), 0 2px 6px rgba(20,20,20,.04);
  --odz-ring-focus: 0 0 0 3px rgba(217, 223, 56, .55);

  --container-max: 640px;
}

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

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  font-family: var(--odz-font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--odz-graphite);
  background: var(--odz-gray-50);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
button { font: inherit; }

.shell {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.brand {
  text-align: center;
  margin-bottom: 32px;
}
.brand img {
  margin: 0 auto;
  height: 48px;
  width: auto;
}

/* ---------- Steps ---------- */

.step {
  display: none;
  background: var(--odz-white);
  border-radius: 18px;
  border: 1px solid var(--odz-gray-200);
  box-shadow: var(--odz-shadow-2);
  padding: 32px 28px;
  animation: fadeUp .35s ease both;
}
.step[data-active] { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.title {
  font-family: var(--odz-font-display);
  font-weight: 800;
  font-size: clamp(22px, 5vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--odz-graphite);
}

.lead {
  font-size: 15.5px;
  color: var(--odz-gray-700);
  margin: 0 0 24px;
}

.prompt {
  font-family: var(--odz-font-display);
  font-weight: 700;
  font-size: 16.5px;
  margin: 24px 0 16px;
  color: var(--odz-graphite);
}

/* ---------- Step 1: Rating scale ---------- */

.rating-scale {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rating-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--odz-white);
  border: 2px solid var(--odz-gray-200);
  border-radius: 14px;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: all .15s ease;
}
.rating-btn:hover {
  border-color: var(--odz-lime);
  background: var(--odz-lime-100);
  transform: translateY(-1px);
  box-shadow: var(--odz-shadow-1);
}
.rating-btn:active { transform: translateY(0); }
.rating-btn:focus-visible {
  outline: none;
  box-shadow: var(--odz-ring-focus);
  border-color: var(--odz-lime);
}

.rating-btn .stars {
  font-size: 22px;
  letter-spacing: 2px;
  color: #f5b700;
  flex-shrink: 0;
}
.rating-btn .stars .dim {
  color: var(--odz-gray-300);
}

.rating-btn .rating-label {
  font-family: var(--odz-font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--odz-graphite);
}

/* ---------- Step 2A: Positive (unit cards) ---------- */

.unit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.unit-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  background: var(--odz-graphite);
  color: var(--odz-white);
  border-radius: 14px;
  text-decoration: none;
  transition: all .15s ease;
  position: relative;
  overflow: hidden;
}
.unit-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(217,223,56,.0) 0%, rgba(217,223,56,.18) 100%);
  opacity: 0;
  transition: opacity .25s ease;
}
.unit-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--odz-shadow-3);
}
.unit-card:hover::after { opacity: 1; }

.unit-card .unit-eyebrow {
  font-family: var(--odz-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--odz-lime);
}
.unit-card .unit-name {
  font-family: var(--odz-font-display);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.unit-card .unit-sub {
  font-size: 12.5px;
  color: rgba(255,255,255,.7);
  margin-bottom: 10px;
}
.unit-card .unit-cta {
  font-family: var(--odz-font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--odz-lime);
  margin-top: auto;
}

/* ---------- Step 2B: Form ---------- */

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-family: var(--odz-font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--odz-graphite);
}
.req { color: var(--odz-error); }

.field-help {
  font-size: 13px;
  color: var(--odz-gray-600);
  margin: 8px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--odz-gray-200);
}

.field input,
.field textarea {
  width: 100%;
  padding: 11px 14px;
  font: inherit;
  font-size: 15px;
  background: var(--odz-white);
  border: 1.5px solid var(--odz-gray-300);
  border-radius: 10px;
  color: var(--odz-graphite);
  transition: border .12s ease, box-shadow .12s ease;
}
.field textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.5;
  font-family: var(--odz-font-body);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--odz-lime);
  box-shadow: var(--odz-ring-focus);
}

.radio-row {
  display: flex;
  gap: 8px;
}
.radio {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  background: var(--odz-white);
  border: 1.5px solid var(--odz-gray-300);
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--odz-font-display);
  font-weight: 600;
  font-size: 14.5px;
  transition: all .12s ease;
}
.radio:hover {
  border-color: var(--odz-lime);
  background: var(--odz-lime-100);
}
.radio input { accent-color: var(--odz-graphite); }
.radio:has(input:checked) {
  border-color: var(--odz-graphite);
  background: var(--odz-graphite);
  color: var(--odz-white);
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-family: var(--odz-font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  transition: all .15s ease;
}

.btn-primary {
  flex: 1;
  background: var(--odz-graphite);
  color: var(--odz-white);
}
.btn-primary:hover {
  background: #1a1a1a;
  transform: translateY(-1px);
  box-shadow: var(--odz-shadow-2);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled {
  background: var(--odz-gray-300);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-ghost {
  background: transparent;
  color: var(--odz-gray-600);
  border: 1.5px solid var(--odz-gray-300);
}
.btn-ghost:hover {
  border-color: var(--odz-graphite);
  color: var(--odz-graphite);
}

.link-back {
  display: inline-block;
  margin-top: 18px;
  background: transparent;
  border: 0;
  padding: 4px 0;
  cursor: pointer;
  color: var(--odz-gray-600);
  font-family: var(--odz-font-display);
  font-size: 13px;
  font-weight: 600;
}
.link-back:hover { color: var(--odz-graphite); }

.form-error {
  margin: 0;
  padding: 12px 14px;
  background: #fdecee;
  color: #b1232f;
  border-radius: 10px;
  font-size: 13.5px;
}

/* ---------- Step 3: Thanks ---------- */

#step-thanks {
  text-align: center;
}

.thanks-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--odz-success);
  color: var(--odz-white);
  font-size: 36px;
  font-weight: 700;
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(47, 158, 105, .28);
}

/* ---------- Footer ---------- */

.foot {
  text-align: center;
  padding: 24px 16px 32px;
  font-size: 12px;
  color: var(--odz-gray-500);
  letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  .shell { padding: 24px 14px 48px; }
  .step { padding: 24px 18px; border-radius: 14px; }
  .unit-grid { grid-template-columns: 1fr; }
  .rating-btn { padding: 12px 14px; gap: 12px; }
  .rating-btn .stars { font-size: 19px; }
  .form-actions { flex-direction: column-reverse; gap: 8px; }
  .form-actions .btn-ghost { width: 100%; }
}