.smlf-body {
  margin: 0;
  font-family: "Inter", "Inter var", "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  background: var(--platform-canvas, #f4f6f8);
  color: var(--platform-text-primary, #1e293b);
}

.smlf-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 18px 60px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.smlf-hero,
.smlf-form-card,
.smlf-success-card {
  background: var(--platform-surface, #fff);
  border: 1px solid var(--platform-border, rgba(15, 23, 42, 0.06));
  border-radius: 18px;
  box-shadow: var(--shadow-card, 0 1px 2px rgba(15, 23, 42, 0.03), 0 4px 22px rgba(15, 23, 42, 0.06));
}

.smlf-hero {
  padding: 26px 28px;
}

.smlf-badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--platform-text-secondary, #475569);
  background: var(--platform-surface-muted, #f7f8fa);
  border: 1px solid var(--platform-border, rgba(15, 23, 42, 0.06));
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.smlf-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.smlf-hero p {
  margin: 0 0 12px;
  color: var(--platform-text-secondary, #475569);
  line-height: 1.5;
}

.smlf-trust {
  margin: 16px 0 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.smlf-trust span {
  font-size: 12px;
  color: var(--platform-text-primary, #1e293b);
  background: var(--platform-surface-muted, #f7f8fa);
  border: 1px solid var(--platform-border, rgba(15, 23, 42, 0.06));
  border-radius: 999px;
  padding: 6px 10px;
}

.smlf-steps-note {
  border-top: 1px solid #e2e8f0;
  margin-top: 18px;
  padding-top: 14px;
}

.smlf-steps-note strong {
  display: block;
  margin-bottom: 6px;
}

.smlf-card-wrap { min-width: 0; }
.smlf-card-wrap { max-width: 760px; width: 100%; margin: 0 auto; }

.smlf-form-card,
.smlf-success-card {
  padding: 28px;
}

.smlf-progress-wrap {
  margin-bottom: 16px;
}

.smlf-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #475569;
  margin-bottom: 8px;
}

.smlf-progress-track {
  height: 8px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

#smlfProgressBar {
  display: block;
  width: 16.66%;
  height: 100%;
  border-radius: inherit;
  background: var(--color-accent, #2d3238);
  transition: width .24s ease;
}

.smlf-step { display: none; opacity: 0; transform: translateY(6px); }
.smlf-step.is-active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  transition: opacity .2s ease, transform .2s ease;
}

.smlf-step h2 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.smlf-step p {
  margin: 0 0 16px;
  color: var(--platform-text-secondary, #475569);
}

.smlf-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.smlf-step label,
.smlf-step fieldset {
  display: block;
  margin-bottom: 14px;
}

.smlf-step input,
.smlf-step textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--platform-border-strong, rgba(15, 23, 42, 0.1));
  border-radius: 12px;
  padding: 13px 14px;
  background: #fff;
  font: inherit;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.smlf-step input:focus,
.smlf-step textarea:focus {
  outline: none;
  border-color: var(--color-accent, #2d3238);
  box-shadow: 0 0 0 4px rgba(45, 50, 56, 0.12);
}

.smlf-step fieldset {
  border: none;
  padding: 0;
}

.smlf-step legend {
  font-weight: 600;
  margin-bottom: 8px;
}

.smlf-options {
  display: grid;
  gap: 8px;
}

.smlf-options-inline {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.smlf-options label {
  margin: 0;
  position: relative;
}

.smlf-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.smlf-options span {
  display: block;
  border: 1px solid var(--platform-border-strong, rgba(15, 23, 42, 0.1));
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  cursor: pointer;
  transition: all .18s ease;
}

.smlf-options input:checked + span {
  border-color: var(--color-accent, #2d3238);
  background: rgba(45, 50, 56, 0.06);
  color: var(--color-charcoal, #1e293b);
  transform: translateY(-1px);
}

.smlf-conditional { display: none; }
.smlf-conditional.is-visible { display: block; animation: smlfFade .2s ease; }

.smlf-actions {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.smlf-btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
}

.smlf-btn:hover { transform: translateY(-1px); }

.smlf-btn-primary {
  background: var(--color-charcoal, #1e293b);
  color: #fff;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.18);
}

.smlf-btn-ghost {
  background: var(--platform-surface-muted, #f7f8fa);
  border: 1px solid var(--platform-border-strong, rgba(15, 23, 42, 0.1));
  color: #1e293b;
}

.smlf-error,
.smlf-error-banner {
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.smlf-hp {
  position: absolute;
  left: -200vw;
  top: -200vh;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.smlf-success-check {
  width: 86px;
  height: 86px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 42px;
  color: #fff;
  background: #0f766e;
  margin-bottom: 14px;
}

.smlf-whatsapp-prompt {
  margin: 16px 0 10px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(5, 150, 105, 0.22);
  background: rgba(5, 150, 105, 0.08);
}

.smlf-step label {
  font-size: 1.02rem;
  font-weight: 500;
}

.smlf-step fieldset legend {
  font-size: 1.02rem;
  font-weight: 600;
}

.smlf-whatsapp-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.smlf-whatsapp-prompt.is-skipped { display: none; }

@keyframes smlfFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .smlf-hero,
  .smlf-form-card,
  .smlf-success-card { padding: 20px; }
  .smlf-grid,
  .smlf-options-inline {
    grid-template-columns: 1fr;
  }
}