/* Correcciones P0: accesibilidad, navegación móvil y validación. */

.skip-link {
  position: fixed;
  z-index: 10000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.8rem 1rem;
  border: 2px solid #c69b45;
  border-radius: 0.35rem;
  background: #ffffff;
  color: #10202f;
  font-weight: 700;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #c69b45;
  outline-offset: 3px;
}

.mobile-menu-button {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  margin-left: auto;
  border: 1px solid rgba(16, 32, 47, 0.32);
  border-radius: 0.4rem;
  background: #ffffff;
  color: #10202f;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.mobile-menu-button .mobile-menu-icon {
  width: 20px;
  height: 14px;
  margin-right: 0.55rem;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  position: relative;
}

.mobile-menu-button .mobile-menu-icon::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
  width: 100%;
  border-top: 2px solid currentColor;
}

.field-error {
  display: block;
  margin-top: 0.45rem;
  color: #9f241d;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
}

input[aria-invalid="true"] {
  border-color: #b3261e !important;
  box-shadow: 0 0 0 2px rgba(179, 38, 30, 0.15) !important;
}

.calculator-validation-message {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border-left: 4px solid #b3261e;
  border-radius: 0.25rem;
  background: #fff2f0;
  color: #6d1712;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.45;
}

.calculator-has-errors .result-box,
.calculator-has-errors .guide-result,
.calculator-has-errors .commission-result,
.calculator-has-errors .change-results,
.calculator-has-errors .offer-result,
.calculator-has-errors .invest-comparison-results,
.calculator-has-errors .ltv-results,
.calculator-has-errors .pulse-payment-results,
.calculator-has-errors .purchase-cash-result,
.calculator-has-errors .timing-results,
.calculator-has-errors .type-results-grid,
.calculator-has-errors .fixed-offer-summary,
.calculator-has-errors .dedicated-calculator-results,
.calculator-has-errors .comparison-verdict,
.calculator-has-errors .stress-verdict,
.calculator-has-errors .switch-verdict,
.calculator-has-errors .invest-verdict,
.calculator-has-errors .ltv-verdict,
.calculator-has-errors .timing-verdict,
.calculator-has-errors .change-verdict {
  display: none !important;
}

.mini-label,
.guide-category,
.editorial-note,
.calculator-note,
.tool-state,
.status-dot {
  letter-spacing: 0.04em;
}

.calculator-note,
.editorial-note,
.guide-category,
.field > span:first-child {
  color: #435462;
}

.calculator-card input[type="number"],
.embedded-calculator input[type="number"],
[class*="calculator"] input[type="number"],
[class*="simulator"] input[type="number"],
.calculator-card select,
.embedded-calculator select,
[class*="calculator"] select,
[class*="simulator"] select {
  min-height: 44px;
  font-size: 1rem !important;
}

.guide-grid a,
.tool-grid a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.82rem !important;
  line-height: 1.35;
}

.mini-label,
.guide-category,
.editorial-note,
.calculator-note,
.tool-state,
.status-dot {
  font-size: 0.75rem !important;
  line-height: 1.35;
}

@media (max-width: 1020px) {
  .site-header {
    position: relative;
    flex-wrap: wrap;
  }

  .mobile-menu-button {
    display: inline-flex;
  }

  .site-header.mobile-nav-ready nav {
    display: none;
  }

  .site-header.mobile-nav-ready.mobile-menu-open nav {
    display: flex;
    position: absolute;
    z-index: 1000;
    top: calc(100% - 1px);
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.65rem;
    border-top: 1px solid rgba(16, 32, 47, 0.12);
    border-bottom: 1px solid rgba(16, 32, 47, 0.18);
    background: #f6f3eb;
    box-shadow: 0 14px 30px rgba(16, 32, 47, 0.14);
  }

  .site-header.mobile-nav-ready.mobile-menu-open nav a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.65rem 0.8rem;
    border-radius: 0.3rem;
    color: #10202f;
    font-size: 1rem;
  }

  .site-header.mobile-nav-ready.mobile-menu-open nav a:hover,
  .site-header.mobile-nav-ready.mobile-menu-open nav a:focus-visible {
    background: #ffffff;
  }
}

@media (max-width: 720px) {
  .field > span:first-child,
  .calculator-note,
  .editorial-note,
  .guide-category,
  .mini-label,
  .tool-state,
  .status-dot {
    font-size: 0.78rem !important;
    line-height: 1.35;
  }

  .detail-button,
  .primary-button,
  .text-button,
  .contact-card {
    min-height: 44px;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}