/* ═══════════════════════════════════
   Conversational Form — compact 100vh
   ═══════════════════════════════════ */

.conv-step {
  display: none;
}

.conv-step.active {
  display: flex;
  flex-direction: column;
  animation: stepIn var(--duration-slow) var(--ease-out) both;
  min-height: 100%;
}

@keyframes stepIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Step Header ─── */
.conv-step__header {
  margin-bottom: var(--space-lg);
}

.conv-step__number {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.conv-step__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-ink);
  margin: 0;
}

.conv-step__subtitle {
  font-size: 14px;
  color: var(--color-ink-tertiary);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

/* ─── Question Cards ─── */
.q-card {
  margin-bottom: var(--space-md);
}

.q-card__question {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--color-ink);
  margin: 0 0 4px 0;
}

.q-card__hint {
  font-size: 13px;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.5;
}

.q-card__answer {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.q-card__inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

@media (max-width: 480px) {
  .q-card__inline { grid-template-columns: 1fr; }
}

.q-card__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-tertiary);
  margin-bottom: 4px;
}

/* ─── Divider ─── */
.q-divider {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-md) 0;
}

/* ─── Info Box ─── */
.conv-info {
  background: var(--color-surface-sunken);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  font-size: 13px;
  color: var(--color-ink-tertiary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.conv-info strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* ─── Navigation ─── */
.conv-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  bottom: 0;
  padding: var(--space-md) var(--space-2xl);
  margin: var(--space-lg) calc(-1 * var(--space-2xl)) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  z-index: 10;
}

.conv-nav__back {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm) 0;
  transition: color var(--duration) var(--ease);
}

.conv-nav__back:hover {
  color: var(--color-ink);
}

.conv-nav__next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-ink);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: all var(--duration) var(--ease);
}

.conv-nav__next:hover {
  background: var(--color-ink-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.conv-nav__next:active {
  transform: translateY(0);
  box-shadow: none;
}

.conv-nav__next--accent {
  background: var(--color-accent);
}

.conv-nav__next--accent:hover {
  background: var(--color-accent-hover);
}

.conv-nav__next:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

/* ─── Form Element Overrides ─── */
.conv-step .form-input,
.conv-step .form-select,
.conv-step .form-textarea {
  font-size: 15px;
  padding: 10px 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
  color: var(--color-ink);
  box-shadow: none;
  transition: background var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.conv-step .form-input:hover,
.conv-step .form-select:hover,
.conv-step .form-textarea:hover {
  background: #eeeeef;
}

.conv-step .form-input:focus,
.conv-step .form-select:focus,
.conv-step .form-textarea:focus {
  background: #fff;
  box-shadow: var(--shadow-input-focus);
  outline: none;
}

.conv-step .form-input::placeholder {
  color: var(--color-ink-muted);
}

.conv-step .radio-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.conv-step .radio-option {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: var(--color-surface-sunken);
  color: var(--color-ink-secondary);
  transition: all var(--duration) var(--ease);
}

.conv-step .radio-option:hover {
  background: #eeeeef;
}

.conv-step .radio-option:has(input:checked),
.conv-step .radio-option:has(input:checked):hover {
  background: var(--color-ink);
  color: #fff;
}

.conv-step .radio-option input[type="radio"] {
  display: none;
}

.conv-step .checkbox-option {
  font-size: 13px;
  line-height: 1.5;
  padding: 6px var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--duration) var(--ease);
}

.conv-step .checkbox-option:hover {
  background: var(--color-surface-sunken);
}

.conv-step .hidden { display: none; }

.conv-step .upload-area {
  padding: var(--space-md);
  border-radius: var(--radius);
}

.conv-step .signature-canvas-container {
  max-width: 100%;
  border-radius: var(--radius);
}