/* ── Vivenda · Construccion qualifier form ── */
.msf {
  --msf-fg: #fff;
  --msf-muted: rgba(255,255,255,0.6);
  --msf-error: #e87067;
  --msf-accent: var(--viv-terracotta);
  --msf-border: rgba(255,255,255,0.18);
  --msf-border-focus: rgba(255,255,255,0.45);
  width: 100%;
  max-width: 560px;
}
.msf-progress { margin-bottom: 32px; }
.msf-progress__count {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--msf-muted);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.msf-progress__sep { opacity: 0.45; padding: 0 2px; }
.msf-progress__bar {
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}
.msf-progress__fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 10%;
  background: var(--msf-accent);
  transition: width 380ms cubic-bezier(0.22,1,0.36,1);
}
.msf-stage { position: relative; min-height: 280px; }
.msf-step { display: none; border: 0; padding: 0; margin: 0; }
.msf-step.is-active {
  display: block;
  animation: msfFadeIn 320ms cubic-bezier(0.22,1,0.36,1);
}
.msf-step.is-terminal { padding: 12px 0; }
.msf-terminal__body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.5;
  color: var(--msf-fg);
  max-width: 560px;
}
.msf-terminal__link {
  color: var(--msf-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 200ms ease;
}
.msf-terminal__link:hover { color: var(--viv-terracotta-hover); }
@keyframes msfFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
.msf-q {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.125rem, 1.6vw, 1.5rem);
  line-height: 1.3;
  color: var(--msf-fg);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
  padding: 0;
  display: block;
}
.msf-opts { display: flex; flex-direction: column; gap: 10px; }
.msf-opt {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--msf-border);
  border-radius: 3px;
  cursor: pointer;
  transition: background 200ms ease, border-color 200ms ease;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  color: var(--msf-fg);
  line-height: 1.45;
}
.msf-opt input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1px solid var(--msf-border);
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  margin: 0;
  background: transparent;
}
.msf-opt input[type="radio"]:checked { border-color: var(--msf-accent); }
.msf-opt input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--msf-accent);
  border-radius: 50%;
}
.msf-opt:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--msf-border-focus);
}
.msf-opt.is-selected {
  border-color: var(--msf-accent);
  background: rgba(125,89,62,0.10);
}
.msf-input, .msf-select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--msf-border);
  padding: 10px 0;
  color: var(--msf-fg);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  outline: none;
  border-radius: 0;
  transition: border-color 200ms ease;
}
.msf-input:focus, .msf-select:focus {
  border-bottom-color: var(--msf-accent);
}
.msf-input::placeholder {
  color: rgba(255,255,255,0.32);
}
.msf-field { margin-bottom: 22px; }
.msf-field:last-child { margin-bottom: 0; }
.msf-label {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--msf-muted);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.msf-phone {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  align-items: end;
}
.msf-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.55) 50%),
                    linear-gradient(135deg, rgba(255,255,255,0.55) 50%, transparent 50%);
  background-position: calc(100% - 11px) 55%, calc(100% - 6px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 22px;
  cursor: pointer;
}
.msf-select option { background: var(--viv-ink); color: var(--msf-fg); }
.msf-error {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--msf-error);
  margin-top: 14px;
  min-height: 18px;
  line-height: 1.4;
}
.msf-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
}
.msf-btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  padding: 12px 24px;
  border: 1px solid transparent;
  background: var(--msf-accent);
  color: var(--msf-fg);
  cursor: pointer;
  border-radius: 3px;
  transition: background 200ms ease, opacity 200ms ease, transform 160ms ease, border-color 200ms ease;
  letter-spacing: 0.02em;
  min-width: 120px;
}
.msf-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.msf-btn:hover:not(:disabled) { background: var(--viv-terracotta-hover); }
.msf-btn:active:not(:disabled) { transform: scale(0.985); }
.msf-btn--ghost {
  background: transparent;
  border-color: var(--msf-border);
  color: var(--msf-fg);
}
.msf-btn--ghost:hover:not(:disabled) {
  background: rgba(255,255,255,0.05);
  border-color: var(--msf-border-focus);
}
@media (max-width: 640px) {
  .msf-phone { grid-template-columns: 96px 1fr; gap: 10px; }
  .msf-nav { flex-direction: column-reverse; }
  .msf-btn { width: 100%; }
}