/* ═══════════════════════════════════════════════════════════
   PRISMAZIA — forms.css
   Demo request flow · intro gate · form · confirmation
═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────
   DEMO STEP CONTAINER
───────────────────────────────────────────────────────── */
.demo-step { display: block; }
.demo-step[hidden] { display: none; }

/* ─────────────────────────────────────────────────────────
   STEP 1 · INTRO GATE
───────────────────────────────────────────────────────── */
.demo-intro {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 4.5rem 3.5rem 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
  max-width: 42rem;
  margin-inline: auto;
}
.demo-intro .t-eyebrow { margin-bottom: var(--sp-2); }
.demo-intro .t-h1 {
  max-width: 28rem;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
}
.demo-intro .t-lead {
  max-width: 34rem;
}

.demo-intro__list {
  list-style: none;
  padding: 0;
  margin: var(--sp-6) 0 var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  align-items: flex-start;
  max-width: 26rem;
  width: 100%;
  margin-inline: auto;
  text-align: left;
}
.demo-intro__item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.demo-intro__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.demo-intro__actions {
  margin-top: var(--sp-5);
}

.demo-intro__credentials {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border);
  width: 100%;
  max-width: 26rem;
}
.demo-intro__credentials a {
  color: var(--text-main);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ─────────────────────────────────────────────────────────
   STEP 2 · FORM HEADER
───────────────────────────────────────────────────────── */
.form-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-10);
}
.form-header .t-h2    { max-width: 28rem; }
.form-header .t-lead  { max-width: 38rem; font-size: 1rem; }

/* ─────────────────────────────────────────────────────────
   STEP 2 · FORM CARD
───────────────────────────────────────────────────────── */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 3rem 3rem 2.5rem;
}

/* ─ Section grouping inside the form ─────────────────── */
.form-section {
  border: none;
  padding: 0 0 var(--sp-10) 0;
  margin: 0 0 var(--sp-10) 0;
  border-bottom: 1px solid var(--border);
  min-width: 0; /* reset fieldset min-width */
}
.form-section:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}
.form-section__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
  margin: 0 0 0.375rem;
  display: block;
  padding: 0;
}
.form-section__hint {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin: 0 0 var(--sp-6);
  line-height: 1.55;
}

/* ─ Groups & rows ────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--sp-5);
  border: none;
  padding: 0;
}
.form-group:last-child { margin-bottom: 0; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.form-row:last-child { margin-bottom: 0; }
.form-row .form-group { margin-bottom: 0; }

/* ─ Labels ──────────────────────────────────────────── */
.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.01em;
}
.form-req {
  color: var(--accent);
  font-weight: 600;
  margin-left: 0.125rem;
}

/* ─ Inputs · selects · textareas ─────────────────────── */
.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--text-main);
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.75rem 0.875rem;
  width: 100%;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(91,141,238,.10);
}
.form-textarea {
  resize: vertical;
  min-height: 5.5rem;
  line-height: 1.65;
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%234B463F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 12px;
  padding-right: 2.25rem;
  cursor: pointer;
}

/* ─ Radio group (profile selection) ──────────────────── */
.form-radio-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.form-radio {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-main);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.form-radio:hover { border-color: var(--text-secondary); }
.form-radio input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.form-radio:has(input:checked) {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(91,141,238,.08);
}

/* ─ Checkbox ─────────────────────────────────────────── */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--text-main);
  cursor: pointer;
  line-height: 1.5;
}
.form-checkbox input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.form-checkbox--subtle {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ─ Hints · warnings ─────────────────────────────────── */
.form-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.form-warning {
  font-size: 0.8125rem;
  color: var(--text-main);
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-sm);
  padding: 0.875rem 1rem;
  line-height: 1.65;
  margin-top: 0.5rem;
}

/* ─────────────────────────────────────────────────────────
   MANUAL REVIEW FALLBACK (visually secondary)
───────────────────────────────────────────────────────── */
.form-fallback {
  margin-top: var(--sp-8);
  padding: 1.375rem 1.5rem;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.form-fallback__detail {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}
.form-fallback__detail .form-group { margin-bottom: 0; }

/* ─────────────────────────────────────────────────────────
   SUBMIT ERROR (backend failure)
───────────────────────────────────────────────────────── */
.form-error {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-main);
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-main);
  border-radius: var(--r-sm);
  padding: 0.875rem 1rem;
  margin-top: var(--sp-6);
}

/* ─────────────────────────────────────────────────────────
   FORM ACTIONS
───────────────────────────────────────────────────────── */
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: var(--sp-10);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.form-footer-note {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: var(--sp-5);
  line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────
   STEP 3 · CONFIRMATION STATE
───────────────────────────────────────────────────────── */
.confirmation {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 4.5rem 3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
  max-width: 42rem;
  margin-inline: auto;
}
.confirmation__icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--bg-main);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-3);
}
.confirmation .t-h2 { max-width: 32rem; }
.confirmation .t-lead { max-width: 34rem; }
.confirmation__actions {
  margin-top: var(--sp-4);
}

/* ─────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .demo-intro { padding: 3rem 1.75rem 2.75rem; }
  .form-card { padding: 2rem 1.5rem; }
  .form-row { grid-template-columns: 1fr; gap: var(--sp-5); }
  .form-radio-group { grid-template-columns: 1fr; }
  .confirmation { padding: 3rem 1.75rem; }
  .form-actions {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 0.75rem;
  }
  .form-actions .btn-primary,
  .form-actions .btn-secondary { width: 100%; text-align: center; }
}