/* ==========================================================================
   Perfil del Consumidor Costarricense 2026 — sistema visual "editorial de datos"
   Paleta UNIMER. El rojo se separa en tres oficios para cumplir contraste AA:
     --red-flat   #f93822  superficies de marca
     --red-cta    #cf2c16  fondos de botón con texto blanco (5,22:1)
     --red-text   #c22a12  texto pequeño sobre papel (5,05:1)
   Todas las medidas van en rem: la raíz escala en pantallas grandes (4K).
   ========================================================================== */

:root {
  --paper: #eff0ec;
  --page: #ffffff;
  --panel: #e7e9e3;
  --ink: #101820;
  --ink-2: #4a5157;
  --ink-3: #666c72;
  --rule: #d5d8d1;
  --rule-strong: #7e848a;
  --red: #e03119;
  --red-text: #c22a12;
  --red-flat: #f93822;
  --red-cta: #cf2c16;
  --on-red: #101820;
  --amber: #ffb549;
  --amber-soft: rgba(255, 181, 73, 0.18);
  --red-cta-fg: #ffffff;
  --green: #0f7a42;

  /* Bandas oscuras: se mantienen oscuras en los dos temas. */
  --band: #101820;
  --band-rule: #29323a;
  --on-dark: #e9ebe6;
  --on-dark-2: #a7aeb3;

  /* Superficies que dependen del tema. */
  --header-bg: rgba(239, 240, 236, 0.9);
  --legend-bg: rgba(255, 255, 255, 0.78);
  --hover-tint: rgba(16, 24, 32, 0.035);
  --ghost-tint: rgba(16, 24, 32, 0.06);
  --logo-filter: none;
  --hero-scrim: linear-gradient(96deg,
    #eff0ec 18%,
    rgba(239, 240, 236, 0.62) 44%,
    rgba(239, 240, 236, 0) 74%);
  --hero-scrim-mobile: linear-gradient(180deg,
    #eff0ec 26%,
    rgba(239, 240, 236, 0.66) 58%,
    rgba(239, 240, 236, 0) 96%);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --gutter: clamp(1.15rem, 5vw, 4.6rem);
  --maxw: 78rem;
  --head-h: 3.9rem;
}

/* Tema oscuro. Tres estados posibles: sin marcar (manda el sistema), y las dos
   elecciones explícitas del botón, que deben ganarle al sistema en ambos
   sentidos. Solo se redefinen tokens: ningún componente pinta color acá. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
  --paper: #0c1116;
  --page: #131a21;
  --panel: #182028;
  --ink: #e7e9e4;
  --ink-2: #a8b0b6;
  --ink-3: #8b949b;
  --rule: #232c34;
  --rule-strong: #606c76;
  --red: #ff5a42;
  --red-text: #ff7f6a;
  --red-flat: #ff5a42;
  --red-cta: #ff5a42;
  --red-cta-fg: #0c1116;
  --on-red: #101820;
  --amber: #ffc470;
  --amber-soft: rgba(255, 196, 112, 0.14);
  --green: #4ec98a;
  --band: #080c10;
  --band-rule: #202830;
  --on-dark: #e7e9e4;
  --on-dark-2: #a8b0b6;
  --header-bg: rgba(12, 17, 22, 0.9);
  --legend-bg: rgba(19, 26, 33, 0.82);
  --hover-tint: rgba(255, 255, 255, 0.045);
  --ghost-tint: rgba(255, 255, 255, 0.07);
  --logo-filter: invert(1) hue-rotate(180deg);
  --hero-scrim: linear-gradient(96deg,
    #0c1116 18%,
    rgba(12, 17, 22, 0.62) 44%,
    rgba(12, 17, 22, 0) 74%);
  --hero-scrim-mobile: linear-gradient(180deg,
    #0c1116 26%,
    rgba(12, 17, 22, 0.66) 58%,
    rgba(12, 17, 22, 0) 96%);
  }
}

:root[data-theme="dark"] {
  --paper: #0c1116;
  --page: #131a21;
  --panel: #182028;
  --ink: #e7e9e4;
  --ink-2: #a8b0b6;
  --ink-3: #8b949b;
  --rule: #232c34;
  --rule-strong: #606c76;
  --red: #ff5a42;
  --red-text: #ff7f6a;
  --red-flat: #ff5a42;
  --red-cta: #ff5a42;
  --red-cta-fg: #0c1116;
  --on-red: #101820;
  --amber: #ffc470;
  --amber-soft: rgba(255, 196, 112, 0.14);
  --green: #4ec98a;
  --band: #080c10;
  --band-rule: #202830;
  --on-dark: #e7e9e4;
  --on-dark-2: #a8b0b6;
  --header-bg: rgba(12, 17, 22, 0.9);
  --legend-bg: rgba(19, 26, 33, 0.82);
  --hover-tint: rgba(255, 255, 255, 0.045);
  --ghost-tint: rgba(255, 255, 255, 0.07);
  --logo-filter: invert(1) hue-rotate(180deg);
  --hero-scrim: linear-gradient(96deg,
    #0c1116 18%,
    rgba(12, 17, 22, 0.62) 44%,
    rgba(12, 17, 22, 0) 74%);
  --hero-scrim-mobile: linear-gradient(180deg,
    #0c1116 26%,
    rgba(12, 17, 22, 0.66) 58%,
    rgba(12, 17, 22, 0) 96%);
}

/* Escalado por densidad: todo el sistema está en rem, así que subir la raíz
   agranda tipografía, ancho de columna y espaciados a la vez. */
html { font-size: 100%; }

@media (min-width: 1700px) { html { font-size: 112.5%; } }
@media (min-width: 2300px) { html { font-size: 125%; } }
@media (min-width: 3100px) { html { font-size: 140%; } }

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.03rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

body.modal-open { overflow: hidden; }

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
fieldset { margin: 0; padding: 0; border: 0; }
legend { padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--red-text);
  outline-offset: 3px;
}

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.eyebrow,
.label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.lede {
  max-width: 62ch;
  color: var(--ink-2);
  font-size: 1.06rem;
}

/* ============================ CABECERA ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--header-bg);
  backdrop-filter: blur(0.75rem);
  border-bottom: 1px solid var(--rule);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  max-width: var(--maxw);
  min-height: var(--head-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.875rem;
}

.site-logo {
  display: block;
  width: 6.9rem;
  height: auto;
  filter: var(--logo-filter);
}

.brand-sub {
  padding-left: 0.875rem;
  border-left: 1px solid var(--rule-strong);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}

/* min-width:0 es lo que permite que el nav se encoja en vez de estirar la
   cabecera; el desborde se resuelve dentro del propio nav, no en la página. */
.site-nav {
  display: flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 0;
  margin-left: auto;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overscroll-behavior-x: contain;
}

.site-nav::-webkit-scrollbar { display: none; }

.site-nav a {
  flex: 0 0 auto;
  padding: 0.4375rem 0.75rem;
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 140ms ease;
}

.site-nav a:hover { color: var(--red-text); }

.header-actions {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.375rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  cursor: pointer;
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 1.05rem;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform 220ms ease, opacity 160ms ease;
}

.is-nav-open .nav-toggle-bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.is-nav-open .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.is-nav-open .nav-toggle-bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2.4rem;
  height: 2.4rem;
  margin-left: 0;
  padding: 0;
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease;
}

.theme-toggle:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.theme-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
  display: block;
}

/* El icono anuncia a que tema se cambia: luna en claro, sol en oscuro.
   Mismo patron de tres estados que los colores, para que el sistema y la
   eleccion explicita del boton coincidan siempre. */
.theme-toggle .icon-sun { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
}

:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* ============================ PROMOCIÓN ============================ */
.promotion-banner {
  position: sticky;
  top: var(--head-h);
  z-index: 35;
  background: var(--band);
  color: var(--on-dark);
  border-bottom: 1px solid var(--red-flat);
  transition: transform 320ms cubic-bezier(0.22, 0.9, 0.3, 1), opacity 220ms ease;
}

/* Se esconde bajo la cabecera mientras se baja y vuelve al subir o al quedarse
   quieto. Sigue ocupando su lugar en el flujo, así que nada salta. */
.promotion-banner.is-tucked {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.promotion-banner[hidden] { display: none; }

.promotion-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem 1.5rem;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0.625rem var(--gutter);
}

.promotion-message {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.375rem 0.875rem;
  font-size: 0.88rem;
}

.promotion-flag {
  padding: 3px 0.5rem;
  background: var(--amber);
  color: var(--on-red);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.promotion-message strong {
  color: var(--on-dark);
  font-weight: 600;
}

.promotion-message small {
  color: var(--on-dark-2);
  font-size: 0.82rem;
}

.promotion-countdown {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 2px;
  white-space: nowrap;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.promotion-countdown > span {
  display: flex;
  align-items: baseline;
  gap: 3px;
  padding: 3px 0.4375rem;
  border-left: 1px solid var(--band-rule);
}

.promotion-countdown > span:first-child { border-left: 0; }

.promotion-countdown strong {
  font-size: 1.02rem;
  font-weight: 500;
}

.promotion-countdown small {
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark-2);
}

/* ============================ BOTONES ============================ */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.375rem;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:active { transform: translateY(1px); }

.button.primary {
  background: var(--red-cta);
  color: var(--red-cta-fg);
}

.button.primary:hover {
  background: var(--ink);
  color: var(--paper);
}

.button.secondary {
  background: transparent;
  border-color: var(--rule-strong);
  color: var(--ink);
}

.button.secondary:hover {
  border-color: var(--ink);
  background: var(--ghost-tint);
}

.button.info-button {
  padding: 0.5rem 0.75rem;
  background: transparent;
  border-color: transparent;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.button.info-button:hover {
  color: var(--red-text);
  border-color: var(--rule-strong);
}

.button.disabled,
.button.disabled:hover,
.button:disabled {
  background: var(--rule);
  color: var(--ink-3);
  border-color: transparent;
  cursor: not-allowed;
  transform: none;
}

/* ============================ HERO ============================ */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: var(--hero-scrim);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: end;
  gap: 2.5rem;
  min-height: min(78vh, 42rem);
  padding-block: clamp(3rem, 8vw, 5.75rem) clamp(1.75rem, 4vw, 2.75rem);
}

.hero-slides { display: grid; }

.hero-copy-slide {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(0.875rem);
  transition: opacity 620ms ease, transform 620ms ease;
  pointer-events: none;
}

.hero-copy-slide.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.hero-copy-slide .eyebrow { color: var(--red-text); }

.hero h1 {
  margin-block: 0.875rem 1.125rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.9rem, 7vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.hero h1 em {
  font-style: italic;
  color: var(--red);
}

.hero-copy {
  max-width: 46ch;
  color: var(--ink-2);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.625rem;
}

.hero-aside {
  display: grid;
  gap: 1.125rem;
  justify-items: start;
  padding-bottom: 0.375rem;
}

.hero-legend {
  display: grid;
  gap: 0.4375rem;
  padding: 0.875rem 1rem;
  background: var(--legend-bg);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-2);
}

.hero-legend div {
  display: flex;
  align-items: center;
  gap: 0.5625rem;
}

.dot-key {
  flex: 0 0 auto;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
}

.dot-key.ink { background: var(--ink); }
.dot-key.red { background: var(--red-flat); }
.dot-key.amber { background: var(--amber); }

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 3.4rem;
  height: 1px;
  overflow: hidden;
  background: var(--rule-strong);
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 0.9rem;
  height: 3px;
  background: var(--red-flat);
  animation: cue-travel 2.6s cubic-bezier(0.6, 0, 0.3, 1) infinite;
}

@keyframes cue-travel {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(3.4rem); }
}

.hero-controls {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hero-dot {
  width: 2.2rem;
  height: 3px;
  padding: 0;
  background: var(--ink-3);
  border: 0;
  cursor: pointer;
  transition: background 200ms ease;
}

.hero-dot[aria-selected="true"] { background: var(--red-text); }

/* ============================ FICHA TÉCNICA ============================ */
.spec-band {
  background: var(--band);
  color: var(--on-dark);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 2.125rem var(--gutter);
}

.spec-item {
  padding-inline: clamp(0.875rem, 2.4vw, 1.875rem);
  border-left: 1px solid var(--band-rule);
}

.spec-item:first-child {
  padding-left: 0;
  border-left: 0;
}

.spec-item b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.spec-item:first-child b { color: var(--amber); }

.spec-item span {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-2);
}

/* ============================ SECCIONES ============================ */
.section {
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

/* Division entre secciones: una sola linea en gris. Visible sin reclamar
   protagonismo: separa capitulos, no los anuncia. */
.section + .section { border-top: 1px solid var(--rule-strong); }

.section-heading {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: end;
  gap: 1.75rem;
  padding-bottom: 1.625rem;
  margin-bottom: 1.875rem;
}

.section-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.section-heading.is-in::after { transform: scaleX(1); }

.section-heading h2 {
  margin-top: 0.75rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.section-note {
  align-self: end;
  max-width: 46ch;
  font-size: 0.94rem;
  color: var(--ink-2);
}

/* ============================ CATÁLOGO EN FILAS ============================ */
.rows { border-top: 1px solid var(--rule); }

.product-card.is-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 1.125rem 1.625rem;
  padding-block: 1.125rem;
  border-bottom: 1px solid var(--rule);
  transition: background 160ms ease;
}

.product-card.is-row:hover { background: var(--hover-tint); }

.row-title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
}

.product-card.is-row h3 {
  font-family: var(--serif);
  font-size: 1.42rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.description {
  margin-top: 0.25rem;
  max-width: 64ch;
  font-size: 0.92rem;
  color: var(--ink-2);
}

.tag {
  display: inline-block;
  margin: 0;
  padding: 2px 0.4375rem;
  background: var(--panel);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.375rem;
}

/* ============================ PRECIOS ============================
   Estructura generada por payment-links.js:
   .price-row > .price-breakdown > .price-original / .price-discount
             > .price-final-row > strong + span                        */
.price-row {
  display: grid;
  justify-items: end;
  gap: 2px;
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.price-breakdown {
  display: grid;
  justify-items: end;
  gap: 1px;
}

.price-original {
  font-size: 0.76rem;
  color: var(--ink-3);
}

.price-original s { text-decoration-thickness: 1px; }

.price-discount {
  font-size: 0.72rem;
  color: var(--red-text);
}

.price-final-row {
  display: flex;
  align-items: baseline;
  gap: 0.4375rem;
}

.price-final-row strong,
.price-row > strong {
  font-size: 1.22rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.price-final-row span,
.price-row > span {
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.price-row abbr,
.checkout-summary abbr {
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}

/* ============================ MATRIZ DE SELECCIÓN ============================ */
.matrix-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.625rem 1.25rem;
  padding-bottom: 0.625rem;
}

.multi-select-field {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2.125rem;
  border-top: 1px solid var(--rule);
}

.multi-select-field legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.choice-info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.875rem;
  border-bottom: 1px solid var(--rule);
  transition: background 140ms ease;
}

.choice-info-row:hover { background: var(--hover-tint); }

.choice-info-row label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.875rem;
  padding-block: 0.8125rem;
  cursor: pointer;
}

.choice-info-row input {
  appearance: none;
  width: 1.06rem;
  height: 1.06rem;
  margin: 0;
  background: var(--page);
  border: 1px solid var(--ink-3);
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.choice-info-row input:checked {
  background: var(--red-flat);
  border-color: var(--red-flat);
  box-shadow: inset 0 0 0 3px var(--page);
}

.choice-name {
  display: block;
  font-size: 0.98rem;
  font-weight: 500;
}

.choice-meta {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.choice-price {
  font-family: var(--mono);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.choice-info-row.is-unavailable label {
  opacity: 0.55;
  cursor: not-allowed;
}

.choice-info-row.is-unavailable .choice-name::after {
  content: " · pendiente";
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--ink-3);
}

.choice-info-button {
  justify-self: end;
}

.selection-summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.875rem 1.5rem;
  padding-block: 1.25rem;
}

.selection-summary::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--ink);
}

.selection-summary .price-row {
  justify-items: start;
  text-align: left;
}

.selection-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
}

/* ============================ PANELES ============================ */
.product-card.is-block {
  display: grid;
  gap: 0;
}

.panel-duo.is-spaced { margin-top: 2.5rem; }

.final-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.panel-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.product-card.is-panel {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: clamp(1.375rem, 3vw, 2.125rem);
  background: var(--page);
}

.product-card.is-panel h3 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 400;
  line-height: 1.1;
}

.product-card.is-panel[hidden] { display: none; }

.product-card.premium {
  background: var(--band);
  color: var(--on-dark);
}

.product-card.premium .description,
.product-card.premium .includes { color: var(--on-dark-2); }

.product-card.premium .eyebrow { color: var(--amber); }

.product-card.premium .tag {
  background: rgba(255, 255, 255, 0.09);
  color: var(--on-dark-2);
}

.product-card.premium .price-original,
.product-card.premium .price-final-row span,
.product-card.premium .price-row > span { color: var(--on-dark-2); }

.product-card.premium .price-discount { color: var(--amber); }

.product-card.premium .button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--on-dark);
}

.product-card.premium .button.secondary:hover {
  border-color: var(--on-dark);
  background: rgba(255, 255, 255, 0.08);
}

.product-card.premium .card-foot { border-top-color: var(--band-rule); }

.includes {
  display: grid;
  gap: 0.375rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}

.includes li {
  display: grid;
  grid-template-columns: 1rem minmax(0, 1fr);
  gap: 0.5rem;
}

.includes li::before {
  content: "—";
  font-family: var(--mono);
  color: var(--red-text);
}

.product-card.premium .includes li::before { color: var(--amber); }

.card-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
}

.card-foot .price-row { justify-items: start; text-align: left; }

/* ============================ PROCESO ============================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border-block: 1px solid var(--rule);
}

.steps > div {
  display: grid;
  gap: 0.5rem;
  align-content: start;
  padding: 1.625rem clamp(1.125rem, 2.4vw, 1.75rem);
  background: var(--paper);
}

.steps span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--red-text);
}

.steps h3 { font-size: 1.06rem; font-weight: 600; }
.steps p { font-size: 0.93rem; color: var(--ink-2); }

/* ============================ CONTACTO ============================ */
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.75rem, 5vw, 4rem);
}

.contact-copy {
  display: grid;
  gap: 1.125rem;
  align-content: start;
}

.contact-copy h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.06;
  letter-spacing: -0.018em;
}

.contact-copy p:not(.eyebrow) {
  max-width: 52ch;
  color: var(--ink-2);
}

.contact-copy a {
  color: var(--red-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-facts {
  display: grid;
  gap: 0.625rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
}

.contact-facts div {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.contact-facts b { font-weight: 500; color: var(--ink); }

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-content: start;
}

.contact-form.is-loading { opacity: 0.85; }

.form-field { display: grid; gap: 0.375rem; }

.contact-form label,
.checkout-form label > span {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.contact-form input,
.contact-form select,
.contact-form textarea,
.checkout-form input,
.checkout-form select {
  width: 100%;
  padding: 0.6875rem 0.75rem;
  color: var(--ink);
  background: var(--page);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 140ms ease;
}

.contact-form textarea {
  min-height: 6.7rem;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus,
.checkout-form input:focus,
.checkout-form select:focus {
  border-color: var(--red-text);
  outline-offset: 1px;
}

.contact-form .full-field,
.turnstile-field,
.contact-form .button,
.form-status,
.contact-loader {
  grid-column: 1 / -1;
}

.turnstile-field { min-height: 4.2rem; }

.turnstile-field .cf-turnstile > div,
.turnstile-field .cf-turnstile iframe {
  width: 100% !important;
  max-width: 100%;
}

.form-status {
  min-height: 1.375rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
}

.form-status[data-status="success"] { color: var(--green); }
.form-status[data-status="error"] { color: var(--red-text); }
.form-status[data-status="loading"] { color: var(--ink-2); }

.contact-loader {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  background: var(--panel);
  border-left: 3px solid var(--red-flat);
}

.contact-loader[hidden] { display: none; }

.contact-loader-bars {
  display: grid;
  grid-template-columns: repeat(4, 0.375rem);
  align-items: end;
  gap: 0.25rem;
  height: 1.5rem;
}

.contact-loader-bars span {
  display: block;
  height: 38%;
  background: var(--ink);
  transform-origin: bottom;
  animation: loader-bars 900ms ease-in-out infinite;
}

.contact-loader-bars span:nth-child(2) { animation-delay: 120ms; }
.contact-loader-bars span:nth-child(3) { animation-delay: 240ms; }
.contact-loader-bars span:nth-child(4) { animation-delay: 360ms; }

.contact-loader-line {
  position: relative;
  height: 2px;
  overflow: hidden;
  background: var(--rule);
}

.contact-loader-line::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 38%;
  background: var(--red-flat);
  animation: loader-progress 1.05s cubic-bezier(0.55, 0, 0.25, 1) infinite;
}

@keyframes loader-bars {
  0%, 100% { transform: scaleY(0.42); }
  50% { transform: scaleY(1); }
}

@keyframes loader-progress {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(280%); }
}

/* ============================ CIERRE ============================ */
.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-block: 2.5rem;
  background: var(--band);
  color: var(--on-dark);
}

.final-cta .footer-logo {
  width: 6.6rem;
  filter: invert(1) hue-rotate(180deg);
}

.final-cta p {
  font-size: 0.86rem;
  color: var(--on-dark-2);
}

.final-cta a.footer-link {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.final-cta .button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--on-dark);
}

.final-cta .button.secondary:hover {
  border-color: var(--on-dark);
  background: rgba(255, 255, 255, 0.08);
}

/* ============================ BARRA DE SELECCIÓN ============================ */
.selection-tray {
  position: fixed;
  left: 50%;
  bottom: 1.125rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  width: min(56rem, calc(100% - 1.8rem));
  padding: 0.8125rem 1rem;
  background: var(--band);
  color: var(--on-dark);
  border: 1px solid var(--band-rule);
  box-shadow: 0 1.125rem 2.5rem rgba(16, 24, 32, 0.28);
  transform: translate(-50%, 160%);
  transition: transform 340ms cubic-bezier(0.22, 0.9, 0.3, 1);
}

.selection-tray.is-visible { transform: translate(-50%, 0); }

.selection-tray-copy {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 0.875rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--on-dark-2);
}

.selection-tray-copy strong {
  color: var(--on-dark);
  font-weight: 500;
  font-size: 1.1rem;
}

.selection-tray-copy em {
  font-style: normal;
  color: var(--amber);
}

/* ============================ MODAL ============================ */
.info-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: clamp(0.875rem, 4vw, 2.5rem);
  background: rgba(16, 24, 32, 0.62);
  backdrop-filter: blur(3px);
}

.info-modal[hidden] { display: none; }

.info-modal-panel {
  position: relative;
  width: min(56rem, 100%);
  max-width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--page);
  border-top: 4px solid var(--red-flat);
}

.info-modal-close {
  position: absolute;
  top: 0.875rem;
  right: 0.875rem;
  width: 2.1rem;
  height: 2.1rem;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink-2);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.info-modal-close:hover,
.info-modal-close:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

.info-modal-content {
  overflow-wrap: break-word;
}

.info-modal-content h2 {
  margin: 0.5rem 0 0.875rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.1;
}

.info-modal-content p {
  margin: 0 0 0.875rem;
  max-width: 68ch;
  color: var(--ink-2);
  font-size: 0.98rem;
}

/* Queda como nombre accesible del diálogo; el contenido ya trae su propio h2. */
[data-info-modal-title] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.modal-kicker {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red-text);
}

.modal-index {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.125rem;
  border-top: 1px solid var(--rule);
  /* contador propio: no depende del list-item, que se pierde con list-style:none */
  counter-reset: modal-index;
}

/* Cada li trae <strong> y <span>. Sin posicionarlos, el texto caía en la
   columna del número y se leía una palabra por línea. */
.modal-index li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  column-gap: 0.75rem;
  row-gap: 0.25rem;
  counter-increment: modal-index;
  font-size: 0.96rem;
  color: var(--ink-2);
}

.modal-index li::before {
  content: counter(modal-index, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1;
  padding-top: 0.15rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--red-text);
}

.modal-index li strong {
  grid-column: 2;
  grid-row: 1;
  color: var(--ink);
  font-size: 1rem;
}

.modal-index li span {
  grid-column: 2;
  grid-row: 2;
  max-width: 68ch;
}

/* ============================ CHECKOUT ============================ */
.checkout-page,
.free-report-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 100vh;
  padding: clamp(1.5rem, 5vw, 4rem) var(--gutter);
  background: var(--paper);
}

.checkout-card,
.free-report-card {
  width: min(46rem, 100%);
  margin-inline: auto;
  padding: clamp(1.75rem, 5vw, 3.25rem);
  background: var(--page);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--red-flat);
}

.checkout-logo {
  display: block;
  width: 6.9rem;
  height: auto;
  margin-bottom: 2.25rem;
}

.checkout-card h1,
.free-report-card h1 {
  margin: 0.625rem 0 1.125rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.checkout-copy {
  margin: 0 0 1.5rem;
  max-width: 60ch;
  color: var(--ink-2);
  font-size: 0.98rem;
}

.checkout-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1.125rem;
  margin-bottom: 1.5rem;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.checkout-summary > span {
  max-width: 34ch;
  font-family: var(--serif);
  font-size: 1.32rem;
  line-height: 1.2;
}

.checkout-price-stack {
  display: grid;
  justify-items: end;
  gap: 2px;
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.checkout-price-stack strong {
  font-size: 1.32rem;
  font-weight: 500;
}

.checkout-price-stack .checkout-original-price {
  font-size: 0.76rem;
  color: var(--ink-3);
}

.checkout-price-stack .checkout-discount {
  font-size: 0.74rem;
  color: var(--red-text);
}

.checkout-promotion-note {
  margin: -0.5rem 0 1.5rem;
  padding: 0.75rem 0.875rem;
  background: var(--amber-soft);
  border-left: 3px solid var(--amber);
  font-size: 0.9rem;
}

.checkout-items {
  display: grid;
  gap: 0;
  margin: -0.5rem 0 1.5rem;
  border-top: 1px solid var(--rule);
}

.checkout-items li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.92rem;
}

.checkout-items strong {
  font-family: var(--mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.checkout-error,
.checkout-success {
  margin: 0 0 1.125rem;
  padding: 0.75rem 0.875rem;
  font-size: 0.92rem;
  line-height: 1.5;
}

.checkout-error {
  background: rgba(249, 56, 34, 0.1);
  border-left: 3px solid var(--red-cta);
}

.checkout-success {
  color: var(--green);
  background: rgba(15, 122, 66, 0.09);
  border-left: 3px solid var(--green);
}

.checkout-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.checkout-form label {
  display: grid;
  gap: 0.375rem;
}

.checkout-form label.full-field,
.checkout-form .turnstile-field,
.checkout-form .button {
  grid-column: 1 / -1;
}

.checkout-form .button { margin-top: 0.25rem; }

.checkout-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-bottom: 1.75rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.checkout-steps span.is-current { color: var(--red-text); }

.checkout-secure {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-3);
}

.free-report-success {
  margin-top: 1.75rem;
  padding: 1.375rem 1.5rem;
  background: var(--amber-soft);
  border-left: 3px solid var(--amber);
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1.15;
}

/* ============================ ERROR 404 ============================ */
.error-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: clamp(1.5rem, 5vw, 4rem) var(--gutter);
  background: var(--paper);
}

.error-card {
  position: relative;
  width: min(44rem, 100%);
  padding: clamp(1.75rem, 5vw, 3.25rem);
  background: var(--page);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--red-flat);
}

.error-card .brand { margin-bottom: 2rem; }

/* La cifra vive como marca de agua, no como titular: el mensaje pesa mas. */
.error-code {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  right: clamp(1rem, 3vw, 2.25rem);
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.5rem, 11vw, 7rem);
  line-height: 0.8;
  color: var(--rule);
  pointer-events: none;
  user-select: none;
}

.error-card h1 {
  margin: 0.75rem 0 1rem;
  max-width: 18ch;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

.error-copy {
  max-width: 54ch;
  color: var(--ink-2);
  font-size: 1rem;
}

.error-path {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 0.875rem;
  margin: 1.75rem 0;
  padding: 0.875rem 1rem;
  background: var(--panel);
  border-left: 3px solid var(--rule-strong);
}

.error-path span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.error-path code {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.error-help {
  padding-top: 1.125rem;
  border-top: 1px solid var(--rule);
  font-size: 0.92rem;
  color: var(--ink-2);
}

.error-help a {
  color: var(--red-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 680px) {
  .error-code {
    top: auto;
    bottom: clamp(0.75rem, 3vw, 1.5rem);
    right: clamp(0.75rem, 3vw, 1.5rem);
    opacity: 0.75;
  }

  .error-actions .button { width: 100%; }
}

/* ============================ MOVIMIENTO ============================ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  width: 100%;
  height: 2px;
  background: var(--red-flat);
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal-item {
  opacity: 0;
  transform: translateY(0.85rem);
}

.reveal-item.is-in {
  opacity: 1;
  transform: none;
  transition:
    opacity 540ms ease var(--reveal-delay, 0ms),
    transform 640ms cubic-bezier(0.22, 0.9, 0.3, 1) var(--reveal-delay, 0ms);
}

/* ============================ RESPONSIVE ============================ */
@media (max-width: 1040px) {
  .hero::before {
    background: var(--hero-scrim-mobile);
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 1.875rem;
  }

  .contact-section { grid-template-columns: minmax(0, 1fr); }

  .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 0;
  }

  .spec-item:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }
}

/* Entre tablet y escritorio chico el detalle de descuentos envolvía en tres
   líneas y engordaba la franja: se queda el chip, la fecha y el contador. */
@media (max-width: 1024px) {
  .promotion-message strong { display: none; }
}

@media (max-width: 860px) {
  .multi-select-field { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .panel-duo { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .section-heading { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 680px) {
  .site-header-inner {
    min-height: 3.5rem;
    gap: 0.5rem;
    padding-inline: 1rem;
  }

  .brand-sub { display: none; }
  .site-logo { width: 5.6rem; }

  .nav-toggle { display: inline-flex; }

  /* El nav pasa a ser un panel desplegable bajo la cabecera. Mismos enlaces,
     otra presentación: nada de markup duplicado. */
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: grid;
    margin: 0;
    padding: 0.5rem var(--gutter) 0.875rem;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 0.75rem 1.5rem rgba(16, 24, 32, 0.12);
    overflow: visible;
    opacity: 0;
    transform: translateY(-0.5rem);
    visibility: hidden;
    transition: opacity 200ms ease, transform 240ms cubic-bezier(0.22, 0.9, 0.3, 1), visibility 0s linear 240ms;
  }

  .is-nav-open .site-nav {
    opacity: 1;
    transform: none;
    visibility: visible;
    transition-delay: 0s;
  }

  .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--rule);
    font-size: 1rem;
  }

  .site-nav a:last-child { border-bottom: 0; }

  .theme-toggle {
    width: 2.3rem;
    height: 2.3rem;
  }

  .promotion-banner { top: 3.5rem; }

  /* Todo en una sola línea: chip a la izquierda, cuenta regresiva a la derecha.
     La fecha exacta sale de escena; el contador ya dice lo que importa. */
  .promotion-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 0.5rem;
    padding-block: 0.4375rem;
  }

  .promotion-message strong,
  .promotion-message small { display: none; }

  .promotion-flag {
    padding: 3px 0.4375rem;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
  }

  .promotion-countdown {
    justify-self: end;
    gap: 0.375rem;
  }

  .promotion-countdown > span { padding: 0; border-left: 0; }
  .promotion-countdown strong { font-size: 0.9rem; }

  /* Etiquetas de una letra: días -> d. El texto completo sigue en el aria-label. */
  .promotion-countdown small { display: none; }

  .promotion-countdown [data-countdown-days]::after { content: "d"; }
  .promotion-countdown [data-countdown-hours]::after { content: "h"; }
  .promotion-countdown [data-countdown-minutes]::after { content: "m"; }
  .promotion-countdown [data-countdown-seconds]::after { content: "s"; }

  .promotion-countdown strong::after {
    margin-left: 1px;
    font-size: 0.62rem;
    font-weight: 400;
    color: var(--on-dark-2);
  }

  .info-modal { padding: 0.75rem; }
  .info-modal-panel { padding: 1.5rem 1.125rem; max-height: 88vh; }
  .modal-index li { grid-template-columns: 1.8rem minmax(0, 1fr); column-gap: 0.5rem; }

  .product-card.is-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
  }

  .price-row { justify-items: start; text-align: left; }
  .card-actions { justify-content: flex-start; }

  .choice-info-row {
    grid-template-columns: minmax(0, 1fr);
    padding-bottom: 0.5rem;
  }

  .choice-info-row label { grid-template-columns: auto minmax(0, 1fr) auto; }
  .choice-info-button { justify-self: start; padding-left: 0; }

  .contact-form,
  .checkout-form { grid-template-columns: minmax(0, 1fr); }

  .selection-tray {
    bottom: 0;
    width: 100%;
    border-inline: 0;
  }

  .button { width: 100%; }
  .card-actions .button { width: auto; }
  .hero-legend { font-size: 0.68rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }

  .reveal,
  .reveal-item {
    opacity: 1;
    transform: none;
  }

  .section-heading::after { transform: none; }
  .scroll-cue i::after { display: none; }
  .reading-progress { display: none; }
}