.ifs-simulator {
  --ifs-ink: #16231f;
  --ifs-muted: #61716a;
  --ifs-green: #1f6b4f;
  --ifs-green-dark: #15503b;
  --ifs-green-soft: #eaf4ef;
  --ifs-cream: #f7f4ec;
  --ifs-gold: #c49a55;
  --ifs-border: #dbe4df;
  --ifs-danger: #a62929;
  --ifs-shadow: 0 18px 55px rgba(22, 35, 31, 0.1);
  color: var(--ifs-ink);
  font-family: inherit;
  line-height: 1.55;
  margin: 0 auto;
  max-width: 980px;
  padding: clamp(20px, 4vw, 52px) 16px;
}

.ifs-simulator *,
.ifs-simulator *::before,
.ifs-simulator *::after { box-sizing: border-box; }
.ifs-simulator [hidden] { display: none !important; }

.ifs-hero {
  margin: 0 auto 30px;
  max-width: 820px;
  text-align: center;
}
.ifs-hero-compact { margin-bottom: 18px; }

.ifs-eyebrow {
  color: var(--ifs-green);
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.ifs-simulator h1,
.ifs-simulator h2,
.ifs-simulator h3,
.ifs-simulator p { margin-top: 0; }

.ifs-simulator h1 {
  color: var(--ifs-ink);
  font-size: clamp(2rem, 5vw, 3.55rem);
  letter-spacing: -0.045em;
  line-height: 1.04;
  margin-bottom: 18px;
}

.ifs-lead {
  color: var(--ifs-muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  margin: 0 auto 18px;
  max-width: 760px;
}

.ifs-privacy-note {
  align-items: center;
  color: var(--ifs-green-dark);
  display: inline-flex;
  font-size: 0.9rem;
  gap: 8px;
  margin-bottom: 0;
}

.ifs-privacy-note > span {
  align-items: center;
  background: var(--ifs-green-soft);
  border-radius: 999px;
  display: inline-flex;
  height: 22px;
  justify-content: center;
  width: 22px;
}

.ifs-card {
  background: #fff;
  border: 1px solid var(--ifs-border);
  border-radius: 24px;
  box-shadow: var(--ifs-shadow);
  min-height: 540px;
  overflow: hidden;
}

.ifs-progress {
  background: var(--ifs-cream);
  border-bottom: 1px solid var(--ifs-border);
  padding: 20px clamp(22px, 5vw, 56px) 16px;
}

.ifs-progress-copy {
  align-items: center;
  color: var(--ifs-muted);
  display: flex;
  font-size: 0.82rem;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ifs-progress-title { color: var(--ifs-ink); font-weight: 700; }
.ifs-progress-track { background: #dce5df; border-radius: 999px; height: 6px; overflow: hidden; }
.ifs-progress-track span {
  background: linear-gradient(90deg, var(--ifs-green), #3a8b69);
  border-radius: inherit;
  display: block;
  height: 100%;
  transition: width 220ms ease;
  width: 20%;
}

.ifs-form { padding: clamp(30px, 6vw, 62px); }
.ifs-step { animation: ifsFade 180ms ease both; }
@keyframes ifsFade { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }

.ifs-step-heading { margin-bottom: 26px; }
.ifs-step-heading h2,
.ifs-result h2,
.ifs-faq h2 {
  color: var(--ifs-ink);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin-bottom: 8px;
  outline: none;
}
.ifs-step-heading p { color: var(--ifs-muted); margin-bottom: 0; }

.ifs-field-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ifs-field { display: block; margin-bottom: 20px; }
.ifs-field > span {
  color: var(--ifs-ink);
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.ifs-field input,
.ifs-field select {
  appearance: none;
  background: #fff;
  border: 1px solid #cbd8d1;
  border-radius: 12px;
  color: var(--ifs-ink);
  font: inherit;
  min-height: 52px;
  outline: none;
  padding: 12px 42px 12px 14px;
  transition: border-color 150ms ease, box-shadow 150ms ease;
  width: 100%;
}

.ifs-field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ifs-green) 50%), linear-gradient(135deg, var(--ifs-green) 50%, transparent 50%);
  background-position: calc(100% - 18px) 22px, calc(100% - 12px) 22px;
  background-repeat: no-repeat;
  background-size: 6px 6px, 6px 6px;
}

.ifs-field input:focus,
.ifs-field select:focus {
  border-color: var(--ifs-green);
  box-shadow: 0 0 0 3px rgba(31, 107, 79, 0.13);
}

.ifs-field [aria-invalid="true"] { border-color: var(--ifs-danger); box-shadow: 0 0 0 3px rgba(166, 41, 41, 0.1); }

.ifs-input-suffix { position: relative; }
.ifs-input-suffix input { padding-right: 50px; }
.ifs-input-suffix em {
  color: var(--ifs-muted);
  font-style: normal;
  font-weight: 700;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.ifs-choice-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ifs-choice { cursor: pointer; display: block; position: relative; }
.ifs-choice input { opacity: 0; pointer-events: none; position: absolute; }
.ifs-choice > span,
.ifs-choice > strong { pointer-events: none; }
.ifs-choice {
  align-items: center;
  background: #fff;
  border: 1px solid var(--ifs-border);
  border-radius: 16px;
  display: flex;
  gap: 14px;
  min-height: 84px;
  padding: 16px;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.ifs-choice:hover { border-color: #9ab9aa; transform: translateY(-1px); }
.ifs-choice:has(input:checked) { background: var(--ifs-green-soft); border-color: var(--ifs-green); box-shadow: 0 0 0 2px rgba(31, 107, 79, 0.1); }
.ifs-choice:has(input:focus-visible) { outline: 3px solid rgba(31, 107, 79, 0.22); outline-offset: 2px; }
.ifs-choice-icon {
  align-items: center;
  background: var(--ifs-cream);
  border-radius: 12px;
  display: inline-flex;
  flex: 0 0 46px;
  font-size: 1.35rem;
  height: 46px;
  justify-content: center;
}
.ifs-choice input[value="flat"] + .ifs-choice-icon::before { content: "▦"; }
.ifs-choice input[value="house"] + .ifs-choice-icon::before { content: "⌂"; }
.ifs-choice input[value="townhouse"] + .ifs-choice-icon::before { content: "▥"; }
.ifs-choice input[value="farmhouse"] + .ifs-choice-icon::before { content: "◇"; }

.ifs-checkbox-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 12px;
}
.ifs-check {
  align-items: center;
  border: 1px solid var(--ifs-border);
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  gap: 10px;
  min-height: 52px;
  padding: 12px 14px;
}
.ifs-check:has(input:checked) { background: var(--ifs-green-soft); border-color: var(--ifs-green); }
.ifs-check input { accent-color: var(--ifs-green); height: 18px; width: 18px; }

.ifs-actions {
  align-items: center;
  border-top: 1px solid var(--ifs-border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 36px;
  padding-top: 24px;
}

.ifs-button,
.ifs-whatsapp-button {
  align-items: center;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 800;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  text-align: center;
  text-decoration: none !important;
  transition: background 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.ifs-button:hover,
.ifs-whatsapp-button:hover { transform: translateY(-1px); }
.ifs-button-primary { background: var(--ifs-green); color: #fff; }
.ifs-button-primary:hover { background: var(--ifs-green-dark); color: #fff; }
.ifs-button-secondary { background: #eef2f0; color: var(--ifs-ink); margin-right: auto; }
.ifs-error { color: var(--ifs-danger); font-size: 0.9rem; font-weight: 700; margin: 18px 0 -20px; }

.ifs-result { animation: ifsFade 240ms ease both; padding: clamp(34px, 6vw, 68px); text-align: center; }
.ifs-result-range {
  align-items: center;
  color: var(--ifs-green-dark);
  display: flex;
  flex-wrap: wrap;
  font-size: clamp(1.7rem, 5vw, 3.15rem);
  gap: 12px;
  justify-content: center;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 28px 0;
}
.ifs-result-meta {
  background: var(--ifs-cream);
  border: 1px solid var(--ifs-border);
  border-radius: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto 18px;
  max-width: 760px;
  overflow: hidden;
}
.ifs-result-meta > div { padding: 16px; }
.ifs-result-meta > div + div { border-left: 1px solid var(--ifs-border); }
.ifs-result-meta span { color: var(--ifs-muted); display: block; font-size: 0.78rem; margin-bottom: 4px; }
.ifs-result-meta strong { display: block; font-size: 0.92rem; }
.ifs-disclaimer { color: var(--ifs-muted); font-size: 0.82rem; margin: 0 auto 30px; max-width: 720px; }

.ifs-contact-panel {
  align-items: center;
  background: var(--ifs-ink);
  border-radius: 20px;
  color: #fff;
  display: grid;
  gap: 18px;
  grid-template-columns: auto 1fr auto;
  padding: clamp(20px, 4vw, 30px);
  text-align: left;
}
.ifs-agent-avatar {
  align-items: center;
  background: var(--ifs-gold);
  border-radius: 999px;
  color: #fff;
  display: flex;
  font-weight: 900;
  height: 60px;
  justify-content: center;
  width: 60px;
}
.ifs-contact-copy h3 { color: #fff; font-size: 1.12rem; margin-bottom: 5px; }
.ifs-contact-copy p { color: #d5dfda; font-size: 0.9rem; margin-bottom: 0; }
.ifs-whatsapp-button { background: #25d366; color: #092f1b !important; max-width: 320px; }
.ifs-whatsapp-button:hover { background: #37e477; color: #092f1b !important; }
.ifs-restart { background: none; border: 0; color: var(--ifs-green); cursor: pointer; font: inherit; font-weight: 700; margin-top: 22px; padding: 8px; text-decoration: underline; text-underline-offset: 3px; }

.ifs-faq { margin-top: clamp(42px, 7vw, 72px); }
.ifs-faq > h2 { margin-bottom: 22px; text-align: center; }
.ifs-faq-grid { display: grid; gap: 12px; }
.ifs-faq details { background: #fff; border: 1px solid var(--ifs-border); border-radius: 14px; padding: 0 18px; }
.ifs-faq summary { cursor: pointer; font-weight: 800; list-style: none; padding: 18px 28px 18px 0; position: relative; }
.ifs-faq summary::-webkit-details-marker { display: none; }
.ifs-faq summary::after { color: var(--ifs-green); content: "+"; font-size: 1.35rem; position: absolute; right: 0; top: 14px; }
.ifs-faq details[open] summary::after { content: "−"; }
.ifs-faq details p { color: var(--ifs-muted); margin: 0; padding: 0 0 18px; }

@media (max-width: 760px) {
  .ifs-card { border-radius: 18px; min-height: 0; }
  .ifs-field-grid,
  .ifs-choice-grid,
  .ifs-checkbox-grid { grid-template-columns: 1fr; }
  .ifs-result-meta { grid-template-columns: 1fr; }
  .ifs-result-meta > div + div { border-left: 0; border-top: 1px solid var(--ifs-border); }
  .ifs-contact-panel { grid-template-columns: auto 1fr; }
  .ifs-whatsapp-button { grid-column: 1 / -1; max-width: none; width: 100%; }
}

@media (max-width: 520px) {
  .ifs-simulator { padding-left: 10px; padding-right: 10px; }
  .ifs-progress-copy { align-items: flex-start; flex-direction: column; gap: 2px; }
  .ifs-form,
  .ifs-result { padding: 26px 18px; }
  .ifs-actions { align-items: stretch; flex-direction: column-reverse; }
  .ifs-button { width: 100%; }
  .ifs-button-secondary { margin-right: 0; }
  .ifs-result-range { gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .ifs-simulator *, .ifs-simulator *::before, .ifs-simulator *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}