:root {
  --brand-primary: #0B5FCC;
  --brand-primary-hover: #0A4CA6;
  --rescue-emergency: #E5352B;
  --rescue-text: #C21F1A;
  --health-green: #34D399;
  --ink: #0B1220;
  --muted: #47536B;
  --bg: #F6F7F9;
  --surface: #FFFFFF;
  --surface-soft: #EEF1F6;
  --border: #E4E8EE;
  --primary: var(--brand-primary);
  --primary-dark: var(--brand-primary-hover);
  --accent: var(--brand-primary);
  --warning: var(--rescue-emergency);
  --danger: var(--rescue-text);
  --success: var(--health-green);
  --shadow: 0 18px 45px rgba(11, 18, 32, 0.08);
  --radius: 8px;
  --font-display: "Archivo", sans-serif;
  --font-body: "Public Sans", sans-serif;
  --font-label: "Space Mono", monospace;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-size: 19px;
  line-height: 1.7;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar,
main,
.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--bg);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
}

.brand img {
  display: block;
  width: auto;
  height: 55px;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
  font-weight: 700;
}

.hero {
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
  gap: 42px;
  padding: 34px 0 44px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font: 700 .73rem/1.3 var(--font-label);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2.35rem, 7vw, 4.7rem);
  line-height: 0.98;
}

h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.15;
}

h3 {
  margin: 0;
  font-size: 1.05rem;
}

.lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.16rem;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.trust-strip span {
  border: 0;
  background: var(--surface-soft);
  color: var(--primary-dark);
  border-radius: 5px;
  padding: 5px 10px;
  font-weight: 800;
  font-size: 0.9rem;
}

.hero-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.hero-panel strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.hero-panel p {
  margin: 0;
  color: var(--muted);
}

.calculator-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.mode-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  background: var(--surface-soft);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.mode-button {
  min-width: 130px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  padding: 10px 16px;
  cursor: pointer;
}

.mode-button.is-active {
  background: var(--surface);
  color: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(20, 32, 51, 0.08);
}

.calculator-grid {
  display: grid;
  grid-template-columns: 430px minmax(0, 1fr);
  gap: 24px;
}

.input-panel,
.result-panel,
.content-grid article,
.cta-band {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.input-panel,
.result-panel {
  padding: 24px;
}

.verdict-card {
  margin-top: 16px;
  padding: 16px;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  background: #fff7ed;
  color: var(--ink);
  font-weight: 700;
}

.section-heading {
  margin-bottom: 22px;
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

.field span {
  font-size: 0.92rem;
}

input,
select {
  width: 100%;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid #7DB3FF;
  outline-offset: 2px;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

button,
.primary-link {
  min-height: 44px;
}

.primary-button,
.secondary-button,
.primary-link {
  border-radius: 6px;
  border: 0;
  padding: 12px 16px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary-button,
.primary-link {
  background: var(--primary);
  color: #fff;
}

.primary-button:hover,
.primary-link:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.secondary-button {
  background: var(--surface-soft);
  color: var(--ink);
}

.fine-print {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

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

.metric-card {
  min-height: 116px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface-soft);
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-weight: 800;
  font-size: 0.86rem;
  margin-bottom: 10px;
}

.metric-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  line-height: 1.1;
}

.metric-card.highlight {
  background: #F6F7F9;
  border-color: var(--primary);
}

.is-debt .metric-card.highlight {
  background: #fff1f2;
  border-color: rgba(190, 18, 60, 0.28);
}

.chart-card {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  margin-bottom: 14px;
}

.chart-header span {
  color: var(--muted);
  font-size: 0.9rem;
}

.chart {
  height: 240px;
  display: flex;
  align-items: end;
  gap: 4px;
  padding-top: 12px;
  border-bottom: 1px solid var(--border);
}

.bar {
  flex: 1;
  min-width: 6px;
  border-radius: 4px 4px 0 0;
  background: var(--primary);
  position: relative;
}

.bar::after {
  content: attr(data-year);
  position: absolute;
  left: 50%;
  bottom: -28px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.72rem;
  opacity: 0;
}

.bar:nth-child(5n)::after,
.bar:first-child::after,
.bar:last-child::after {
  opacity: 1;
}

.is-debt .bar {
  background: var(--rescue-emergency);
}

.interpretation {
  margin-top: 44px;
  border-left: 4px solid var(--primary);
  background: #F6F7F9;
  padding: 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-weight: 700;
}

.is-debt .interpretation {
  border-left-color: var(--danger);
  background: #fff1f2;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
}

.content-grid article {
  padding: 24px;
  min-width: 0;
}

.content-grid p {
  color: var(--muted);
}

code {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  background: #0B1220;
  color: #f6f7f9;
  border-radius: 6px;
  padding: 14px;
  white-space: nowrap;
}

.cta-band {
  margin-top: 28px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.cta-band p:not(.eyebrow) {
  color: #E4E8EE;
  max-width: 720px;
}

.cta-actions {
  display: grid;
  gap: 10px;
  justify-items: start;
  margin-top: 6px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.text-link {
  color: var(--primary-dark);
  font-size: 0.92rem;
  font-weight: 800;
  text-align: right;
}

.site-footer {
  padding: 34px 0 48px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer p {
  margin: 6px 0;
}

@media (max-width: 920px) {
  .hero,
  .calculator-grid,
  .content-grid,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .cta-band {
    align-items: stretch;
  }

  .cta-actions {
    justify-items: start;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 17px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .topnav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 20px;
    gap: 24px;
  }

  .calculator-shell,
  .input-panel,
  .result-panel,
  .content-grid article,
  .cta-band {
    padding: 18px;
  }

  .metrics {
    grid-template-columns: 1fr;
  }

  .chart {
    height: 200px;
  }

  .mode-switch {
    width: 100%;
  }

  .mode-button {
    min-width: 0;
  }
}

/* ------------------------------------------------------------------ *
 * Calculadora de cuentas remuneradas — añadidos sobre la base común.
 * Solo lo que esta herramienta tiene y las otras no.
 * ------------------------------------------------------------------ */

.preset-row {
  margin-bottom: 1.25rem;
}
.preset-row[hidden] { display: none; }
.preset-row .fine-print { margin-top: .4rem; }

.field-help {
  display: block;
  margin-top: .3rem;
  font-size: .8rem;
  opacity: .72;
  line-height: 1.35;
}

.field-error {
  display: block;
  margin-top: .3rem;
  font-size: .8rem;
  font-weight: 600;
  color: #c21f1a;
}
.field-error:empty { display: none; }

input[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: #c21f1a;
}

/* El resultado no enseña guiones hasta que hay algo que enseñar. */
.result-panel[data-estado="vacio"] .metrics,
.result-panel[data-estado="vacio"] .chart-card,
.result-panel[data-estado="invalido"] .metrics,
.result-panel[data-estado="invalido"] .chart-card {
  opacity: .35;
}

.desglose {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .55rem 1rem;
  margin: 0;
  font-size: .92rem;
}
.desglose dt { opacity: .8; }
.desglose dd {
  margin: 0;
  font-family: "Space Mono", ui-monospace, monospace;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.avisos {
  display: grid;
  gap: .75rem;
  margin-top: 1.25rem;
}
.avisos[hidden] { display: none; }

.aviso {
  border-left: 4px solid currentColor;
  padding: .75rem 1rem;
  border-radius: 0 10px 10px 0;
  background: rgba(0, 0, 0, .04);
}
.aviso strong { display: block; margin-bottom: .25rem; }
.aviso p { margin: 0; font-size: .9rem; line-height: 1.45; }
.aviso--pierde_contra_inflacion,
.aviso--cuota_se_come_el_interes { color: #c21f1a; }
.aviso--sale_a_pagar,
.aviso--tope_superado,
.aviso--promo_caduca { color: #8a5300; }
.aviso--por_encima_del_fgd { color: #1b4d3e; }

.fuentes {
  margin-top: .9rem;
  font-size: .85rem;
}

.faq { margin: 3rem auto; max-width: 52rem; padding: 0 1.25rem; }
.faq[hidden] { display: none; }
.faq details {
  border-bottom: 1px solid rgba(0, 0, 0, .12);
  padding: .9rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: " +"; opacity: .5; }
.faq details[open] summary::after { content: " –"; }
.faq details p { margin: .6rem 0 0; line-height: 1.55; }

.cta-final {
  margin: 3rem auto 4rem;
  max-width: 52rem;
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: 16px;
  background: rgba(0, 0, 0, .04);
}
.cta-final h2:empty,
.cta-final p:empty { display: none; }
.cta-final .primary-button {
  display: inline-block;
  margin-top: 1rem;
  text-decoration: none;
}

@media (max-width: 640px) {
  .desglose { grid-template-columns: 1fr; }
  .desglose dd { text-align: left; }
}