/* ============================================================
   FORM — carte formulaire, progress bar, champs, boutons, succès
============================================================ */

/* ── Carte formulaire ── */
.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 0, 0, .05);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.form-card__header {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  padding: 22px 28px 18px;
}
.form-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.form-card__sub {
  font-size: .82rem;
  color: rgba(255, 255, 255, .8);
}

/* ── Progress bar ── */
.progress-wrap {
  padding: 16px 28px 0;
}
.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}
.progress-step {
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: .4px;
  transition: color var(--transition);
}
.progress-step.active { color: var(--blue-500); }
.progress-step.done   { color: var(--green); }

.progress-bar-bg {
  height: 4px;
  background: var(--gray-100);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
  transition: width .45s cubic-bezier(.4, 0, .2, 1);
}

/* ── Corps du formulaire ── */
.form-body { padding: 20px 28px 24px; }

/* ── Steps ── */
.form-step { display: none; }
.form-step.active { display: block; animation: fadeSlide .3s ease; }

/* ── Grille de champs ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-row--full { grid-template-columns: 1fr; }

/* ── Champ individuel ── */
.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}
.field:last-child { margin-bottom: 0; }

label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: .1px;
}
label .required { color: var(--red); margin-left: 2px; }
label .optional  { color: var(--gray-400); font-weight: 400; }

input,
select {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-family: inherit;
  color: var(--gray-900);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
input::placeholder { color: var(--gray-400); }

input:focus,
select:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
input.error,
select.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, .1);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%236b7280' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 18px;
  padding-right: 36px;
  cursor: pointer;
}

.field-error {
  font-size: .72rem;
  color: var(--red);
  font-weight: 500;
  display: none;
}
.field-error.visible { display: block; }

/* ── Boutons de navigation ── */
.form-nav {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn--primary {
  flex: 1;
  background: var(--blue-500);
  color: #fff;
}
.btn--primary:hover {
  background: var(--blue-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 99, 235, .35);
}

.btn--ghost {
  background: var(--gray-100);
  color: var(--gray-700);
  flex: 0 0 auto;
}
.btn--ghost:hover { background: var(--gray-200); }

.btn--submit {
  flex: 1;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
  font-size: .92rem;
  padding: 14px 20px;
}
.btn--submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, .35);
}

/* ── Écran de succès ── */
.success-screen {
  display: none;
  text-align: center;
  padding: 32px 28px;
}
.success-screen.visible { display: block; animation: fadeSlide .35s ease; }

.success-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.success-icon svg { width: 32px; height: 32px; stroke: #fff; fill: none; stroke-width: 2.5; }
.success-screen h3 { font-size: 1.3rem; font-weight: 800; color: var(--gray-900); margin-bottom: 8px; }
.success-screen p  { font-size: .9rem; color: var(--gray-500); }
/* Honeypot — invisible pour les humains, visible pour les bots */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.btn--new-estimate {
  margin-top: 20px;
  font-size: .85rem;
  padding: 10px 20px;
  border: 1.5px solid var(--gray-300);
  background: transparent;
  color: var(--gray-600);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.btn--new-estimate:hover { border-color: var(--primary); color: var(--primary); }

/* ── Boutons WhatsApp sur l'écran de succès ── */
.whatsapp-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}
.btn--whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #25d366;
  color: #fff;
  font-size: .88rem;
  font-weight: 600;
  padding: 11px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background .2s, transform .2s;
}
.btn--whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
}