/* =============================================
   FORMULÁRIO INTELIGENTE — form.css
   ============================================= */

/* ── Animações ── */
@keyframes sf-slide-in {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes sf-slide-back {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes sf-shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}
@keyframes sf-card-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(0.96); }
  100% { transform: scale(1); }
}

.sf-step-body { animation: sf-slide-in 0.3s ease both; }
.sf-step-back { animation: sf-slide-back 0.3s ease both; }
.sf-input.sf-invalid { animation: sf-shake 0.4s ease; }
.sf-card.selected    { animation: sf-card-pop 0.2s ease; }

/* ── Container ── */
.sf-wrap {
  max-width: 600px;
  margin: 48px auto 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  position: relative;
}

/* ── Progresso ── */
.sf-progress-wrap { margin-bottom: 36px; }

.sf-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.sf-step {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 700; color: var(--text3);
  flex-shrink: 0; transition: all 0.3s;
}
.sf-step.active {
  background: rgba(108,99,255,0.15);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 4px rgba(108,99,255,0.1);
}
.sf-step.done {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.sf-step-line {
  height: 2px; width: 80px;
  background: var(--border2);
  transition: background 0.3s;
}
.sf-step-line.done { background: var(--accent); }

.sf-step-labels {
  display: flex;
  justify-content: center;
  gap: 100px;
  margin-top: 12px;
}
.sf-step-labels span {
  font-size: 0.78rem; font-weight: 500; color: var(--text3);
  transition: color 0.3s;
}
.sf-step-labels span.active { color: var(--text); }

/* ── Título da etapa ── */
.sf-title {
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 6px; text-align: center;
}
.sf-sub {
  font-size: 0.88rem; color: var(--text2);
  text-align: center; margin-bottom: 28px;
}

/* ── Campos de texto ── */
.sf-fields { display: flex; flex-direction: column; gap: 16px; }
.sf-row    { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.sf-field  { display: flex; flex-direction: column; gap: 6px; }
.sf-label  { font-size: 0.82rem; font-weight: 600; color: var(--text2); }

.sf-input {
  background: var(--bg3);
  border: 1.5px solid var(--border2);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit; font-size: 0.95rem;
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.sf-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.1);
}
.sf-input.sf-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}
.sf-input::placeholder { color: var(--text3); }

/* ── Pergunta de clique ── */
.sf-pergunta { margin-bottom: 28px; }

.sf-pergunta-label {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.95rem; font-weight: 600;
  margin-bottom: 14px;
}
.sf-pergunta-num {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.25);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700;
}
.sf-obrig {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.2);
  color: var(--accent2); padding: 2px 8px; border-radius: 50px;
  margin-left: auto;
}

.sf-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.sf-card {
  background: var(--bg3);
  border: 1.5px solid var(--border2);
  border-radius: 12px;
  color: var(--text2);
  cursor: pointer;
  font-family: inherit; font-size: 0.88rem; font-weight: 500;
  padding: 14px 12px;
  text-align: left;
  transition: all 0.2s;
  line-height: 1.4;
}
.sf-card:hover {
  border-color: var(--accent);
  background: rgba(108,99,255,0.06);
  color: var(--text);
}
.sf-card.selected {
  border-color: var(--accent);
  background: rgba(108,99,255,0.12);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}
.sf-card.selected::before {
  content: '✓ ';
  color: var(--accent);
  font-weight: 700;
}

/* ── Navegação ── */
.sf-nav {
  display: flex; gap: 12px; margin-top: 32px;
}
.sf-btn-back {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 50px;
  color: var(--text2);
  cursor: pointer; font-family: inherit; font-size: 0.9rem;
  padding: 14px 24px; transition: all 0.2s;
}
.sf-btn-back:hover { border-color: var(--accent); color: var(--accent); }

.sf-btn-next,
.sf-btn-submit {
  flex: 1; background: linear-gradient(135deg, #25d366, #128c7e);
  border: none; border-radius: 50px;
  color: #fff; cursor: pointer; font-family: inherit;
  font-size: 1rem; font-weight: 700; padding: 16px 24px;
  box-shadow: 0 8px 24px rgba(37,211,102,0.25);
  transition: all 0.2s; margin-top: 24px;
}
.sf-btn-next {
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  box-shadow: 0 8px 24px rgba(108,99,255,0.25);
  margin-top: 20px; width: 100%;
}
.sf-btn-next:hover,
.sf-btn-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.sf-btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ── Privacidade ── */
.sf-privacy {
  font-size: 0.78rem; color: var(--text3); text-align: center; margin-top: 12px;
}

/* ── Erro ── */
.sf-erro {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 10px;
  color: #ef4444;
  font-size: 0.85rem;
  padding: 12px 16px;
  margin-top: 16px;
}

/* ── Sucesso ── */
.sf-sucesso {
  text-align: center; padding: 24px 0;
}
.sf-sucesso-icon { font-size: 3.5rem; margin-bottom: 16px; }
.sf-sucesso h3   { font-size: 1.4rem; font-weight: 700; margin-bottom: 10px; }
.sf-sucesso-sub  { font-size: 0.95rem; color: var(--text2); margin-bottom: 28px; }
.sf-wa-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff; font-weight: 700; font-size: 1.05rem;
  padding: 18px 40px; border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(37,211,102,0.35);
  transition: all 0.2s;
}
.sf-wa-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(37,211,102,0.45); }

/* ── Responsivo ── */
@media (max-width: 600px) {
  .sf-wrap     { padding: 24px 16px; margin: 20px 0 0; border-radius: 14px; }
  .sf-row      { grid-template-columns: 1fr; }
  .sf-cards    { grid-template-columns: 1fr; }
  .sf-step-labels { gap: 34px; }
  .sf-step-line   { width: 34px; }
  .sf-step { width: 38px; height: 38px; }
  .sf-input,.sf-select,.sf-textarea { font-size: 16px; min-height: 48px; }
  .sf-card { min-height: 52px; display:flex; align-items:center; }
  .sf-btn-next,.sf-btn-submit,.sf-btn-back { min-height: 50px; }
  .sf-nav { gap: 8px; }
  .sf-btn-back { padding: 12px 18px; }
  .sf-privacy { font-size: .8rem; line-height: 1.5; }
}