/* =========================================================
   Calculadora — página hija de index.html
   Usa los tokens/componentes de index.css (--orange, --ink, --card,
   --r-lg, --shadow, .btn, .eyebrow, .footer…) en vez de definir los suyos.
   ========================================================= */

/* ---------- Nav: link "volver" ---------- */
.nav-back {
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.3s;
}
.nav-back:hover { color: var(--ink); }

/* ---------- Layout ---------- */
.calc-page {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(130px, 18vh, 170px) var(--pad) clamp(60px, 10vh, 100px);
}

.calc-hero { text-align: center; margin-bottom: clamp(36px, 6vh, 56px); }
.calc-hero .eyebrow { margin-bottom: 16px; }

.calc-hero__title {
  font-size: clamp(30px, 4.4vw, 48px);
  line-height: 1.05;
  margin-bottom: 18px;
}

.calc-hero__lead {
  max-width: 52ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(16px, 1.2vw, 18px);
}

/* ---------- Card ---------- */
.calc-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(28px, 4vw, 48px);
}

/* ---------- Form ---------- */
.calc-step { margin-bottom: 36px; }
.calc-step:last-of-type { margin-bottom: 0; }

.step-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink-2);
  margin-bottom: 22px;
}

.step-note {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.field input[type="text"],
.field input[type="number"],
.field input[type="email"],
.field input[type="tel"] {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 13px 15px;
  font-size: 15px;
  font-family: var(--font);
  color: var(--ink-2);
  background: var(--card);
  transition: border-color 0.2s;
}

.field input:focus { outline: none; border-color: var(--orange); }

.field-error {
  display: block;
  font-size: 12px;
  color: #c0392b;
  margin-top: 6px;
  min-height: 14px;
}

.field-radio-group { display: flex; gap: 10px; }

.radio-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1.5px solid var(--line);
  border-radius: 20px;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.radio-pill:has(input:checked) {
  border-color: var(--orange);
  background: var(--bg-2);
  color: var(--orange);
  font-weight: 600;
}

.calc-actions { margin-top: 30px; }

/* ---------- Resultado ---------- */
.calc-result { text-align: center; }

.result-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 22px;
}

.result-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.result-base, .result-proyectada { display: flex; flex-direction: column; gap: 6px; }

.result-label { font-size: 14px; color: var(--muted); }

.result-value-small {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--muted);
}

.result-arrow { font-size: 22px; color: var(--muted); }

.result-value-big {
  font-family: var(--display);
  font-size: clamp(32px, 6vw, 54px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink-2);
}

.result-badge {
  display: inline-block;
  background: var(--bg-2);
  color: var(--orange);
  font-weight: 700;
  font-size: 15px;
  padding: 8px 20px;
  border-radius: 20px;
  margin-bottom: 22px;
}

.result-breakeven { font-size: 16px; color: var(--ink); margin-bottom: 30px; }

.result-slider-field { max-width: 360px; margin: 0 auto 30px; }

.result-slider-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.result-slider-field input[type="range"] { width: 100%; accent-color: var(--orange); }

.result-slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.result-legal {
  font-size: 12px;
  color: var(--muted);
  margin-top: 18px;
  line-height: 1.6;
}

/* ---------- Footer (versión sin CTA gigante) ---------- */
.footer--minimal { padding-top: 48px; }

@media (max-width: 900px) {
  .calc-page { padding: 110px 20px 64px; }
  .calc-card { padding: 24px 20px; }
}