/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* ---- Superficies ---- */
  --bg:        #FFFFFF;
  --bg-alt:    #F5F5F7;
  --bg-dark:   #000000;
  --surface:   #F5F5F7;
  --surface-2: #EDEDF0;

  /* ---- Texto ----
     --ink-mute (#6E6E73) es una versión algo más oscura que el gris
     de Apple (#86868B) porque a ese tono literal le faltaba contraste
     AA en texto pequeño sobre blanco (~3.6:1). Se reserva #86868B
     -> --ink-mute-large para texto grande (subtítulos ≥24px), donde sí
     cumple. Dentro de .section-dark ambas variables se sobrescriben
     porque sobre negro puro #86868B sí pasa 4.5:1 a cualquier tamaño. */
  --ink:            #1D1D1F;
  --ink-mute:       #6E6E73;
  --ink-mute-large: #86868B;
  --ink-dim:        #86868B;
  --line:           rgba(0,0,0,0.06);
  --line-strong:    rgba(0,0,0,0.1);

  --accent:     #0071E3;
  --accent-hover: #0077ED;
  /* --accent da 4.31:1 sobre --bg-alt (#F5F5F7) — insuficiente para texto
     pequeño (WCAG AA pide 4.5:1). --accent-text es la variante para texto
     (kicker, enlaces), --accent sigue igual para fondos/botones/bordes. */
  --accent-text: #006CDA;
  --accent-dim: rgba(0,113,227,0.28);
  --danger:     #D70015;
  /* Fase 6: en oscuro --accent se aclara a #2997FF (necesario para texto/
     bordes legibles sobre negro), pero ese azul más claro con texto BLANCO
     encima cae a ~3:1 — no llega a AA. Los botones de acento sólido (texto
     blanco) usan --accent-solid en vez de --accent, y ese valor NO cambia
     con el tema: #0071E3 ya da 4.7:1 con blanco y sigue siendo un azul
     perfectamente visible sobre fondo negro. */
  --accent-solid:       #0071E3;
  --accent-solid-hover: #0077ED;

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, Consolas, monospace;

  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-apple: cubic-bezier(0.28, 0.11, 0.32, 1);
  --fast:   150ms;
  --snap:   220ms;

  --container: 1200px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --radius: 980px;       /* píldora — botones, chips */
  --radius-card: 22px;   /* tarjetas, marcos de demo, paneles */
  --shadow-soft: 0 30px 60px -20px rgba(0,0,0,0.16);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.022em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; border-radius: 0; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 {
  text-wrap: balance;
  line-height: 1.07;
  letter-spacing: -0.03em;
  font-family: var(--sans);
  font-weight: 600;
}
ul, dl { list-style: none; padding: 0; }
::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  z-index: 9999; font-weight: 600;
  transition: top var(--fast) linear;
}
.skip-link:focus { top: 1rem; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.kicker {
  font-family: var(--sans);
  font-size: 0.875rem; /* 14px */
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--accent-text);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 0.5rem; /* 8px */
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--snap) var(--ease), transform var(--snap) var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

.link-tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.15em;
  font-family: var(--sans);
  font-size: 1.0625rem; /* 17px */
  font-weight: 400;
  color: var(--accent);
}
.link-tag::after { content: "\203A"; font-size: 1.1em; }
.link-tag:hover { color: var(--accent-hover); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75rem 1.375rem; /* 12px 22px */
  font-family: var(--sans);
  font-size: 1.0625rem; /* 17px */
  font-weight: 400;
  letter-spacing: -0.01em;
  text-transform: none;
  border-radius: var(--radius);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
.btn-primary {
  background: var(--accent-solid);
  color: #fff;
  border: 1px solid var(--accent-solid);
}
.btn-primary:hover { background: var(--accent-solid-hover); border-color: var(--accent-solid-hover); }
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Terminal blinking cursor */
.tcursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}
@media (prefers-reduced-motion: reduce) {
  .tcursor { animation: none; opacity: 1; }
}
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Section scaffold — separación por cambio de fondo, no por líneas */
.section {
  position: relative;
  padding-block: clamp(5rem, 12vw, 8.75rem); /* 80–140px */
  background: var(--bg);
}
.section-alt { background: var(--bg-alt); }
.section-dark {
  background: var(--bg-dark);
  color: #fff;
  --ink: #fff;
  --ink-mute: var(--ink-mute-large);
  --ink-dim: var(--ink-mute-large);
  --line: rgba(255,255,255,0.14);
  --line-strong: rgba(255,255,255,0.22);
  --accent: #2997FF;
  --accent-hover: #52ADFF;
  --accent-text: #2997FF; /* ya pasa 6.96:1 sobre negro, sin variante aparte */
}
.section-inner {
  display: block;
}
.section-num { display: none; }
.section-content { min-width: 0; }

.section-head {
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(3rem, 7vw, 5rem);
  text-align: center;
}
.section-head .kicker { margin-bottom: 0.5rem; justify-content: center; }
.section-head h2 {
  font-size: clamp(2.5rem, 5vw, 4rem); /* 40–64px */
  letter-spacing: -0.03em;
  line-height: 1.08;
  font-weight: 600;
}

/* =============================================================
   4. Preloader
   ============================================================= */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  font-family: var(--mono);
  animation: preloaderSafety .01s 2.6s forwards;
}
.preloader.is-done { opacity: 0; pointer-events: none; }
@keyframes preloaderSafety { to { opacity: 0; pointer-events: none; visibility: hidden; } }
.preloader-word {
  font-size: clamp(1.6rem, 6vw, 2.6rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.preloader-count {
  font-size: 0.8rem;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
@media (prefers-reduced-motion: reduce) {
  .preloader { transition: opacity .01s; }
}
.preloader:not(.is-done) { transition: opacity 200ms linear; }

/* =============================================================
   6. Nav
   ============================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 44px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5em;
  color: var(--ink);
}
.wordmark-mark { display: none; }
.nav-links {
  display: none;
  align-items: center;
  gap: 1.8rem;
}
@media (min-width: 720px) {
  .nav-links { display: flex; }
}
.nav-link {
  font-family: var(--sans);
  font-size: 0.75rem; /* 12px */
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: rgba(29,29,31,0.88); /* en oscuro se sobrescribe más abajo */
  transition: opacity var(--fast) linear;
}
.nav-link:hover { opacity: 0.6; }

.nav-cta {
  display: none;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius);
  background: var(--accent-solid);
  color: #fff;
  transition: background var(--fast) linear;
}
@media (min-width: 720px) {
  .nav-cta { display: inline-flex; }
}
.nav-cta:hover { background: var(--accent-solid-hover); }

/* Botón hamburguesa — antes de esto, por debajo de 720px el menú entero
   (enlaces + CTA) desaparecía sin ningún sustituto: no había forma de
   navegar ni de llegar al contacto en móvil. */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-right: -0.5rem;
}
@media (min-width: 720px) {
  .nav-toggle { display: none; }
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 250ms var(--ease-apple), opacity 250ms var(--ease-apple);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav-menu {
  position: fixed;
  top: 44px;
  left: 0;
  right: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 0.5rem 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.92); /* en oscuro se sobrescribe más abajo */
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}
/* [hidden] y ".mobile-nav-menu" tienen la misma especificidad (0,0,1,0) —
   sin esto, el orden de aparición en la hoja de estilos decide, y como
   ".mobile-nav-menu{display:flex}" está declarado antes que cualquier
   regla de [hidden], el atributo hidden NO ocultaba el menú: quedaba
   visible y ocupando espacio bajo la barra incluso cerrado. */
.mobile-nav-menu[hidden] { display: none; }
@media (min-width: 720px) {
  .mobile-nav-menu { display: none !important; }
}
.mobile-nav-link {
  min-height: 44px;
  display: flex;
  align-items: center;
  font-family: var(--sans);
  font-size: 1.0625rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-nav-cta { margin-top: 1rem; justify-content: center; }

/* =============================================================
   7. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-block: clamp(5rem, 12vw, 8rem);
}
.hero .container { max-width: 900px; text-align: center; margin-inline: auto; }
.hero-kicker { margin-bottom: 0.5rem; justify-content: center; font-size: 0.875rem; }
.hero-title {
  font-size: clamp(3rem, 7vw, 6rem); /* 48–96px */
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: none;
  font-weight: 600;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub {
  margin-top: 1rem; /* 16px, titular → subtítulo */
  max-width: 700px;
  margin-inline: auto;
  color: var(--ink-mute);
  font-size: clamp(1.3125rem, 2vw, 1.75rem); /* 21–28px */
  font-weight: 400;
  line-height: 1.4;
}
.hero-actions {
  margin-top: 3rem; /* 48px, subtítulo → contenido */
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.hero-meta { display: none; }

/* =============================================================
   8. Marquee — cinta de tecnologías
   ============================================================= */
.marquee {
  overflow: hidden;
  padding-block: 1.1rem;
  background: var(--bg-alt);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 0.8rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  /* --ink-dim (#86868B) es del texto grande/decorativo (Fase Apple);
     a este tamaño (12.8px) daba 3.32:1 sobre --bg-alt — falla AA aunque
     la cinta lleve aria-hidden (el contraste visual no depende del AT). */
  color: var(--ink-mute);
  animation: marqueeScroll 32s linear infinite;
}
.marquee-track span.sep { color: var(--accent-text); }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation-duration: 90s; }
}

/* =============================================================
   9. Servicios — bento
   ============================================================= */
.services-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.service-row:nth-child(1) { grid-column: 1 / -1; }
@media (max-width: 720px) {
  .services-list { grid-template-columns: 1fr; }
  .service-row:nth-child(1) { grid-column: 1; }
}
.service-row {
  display: flex;
  flex-direction: column;
  background: var(--bg-alt);
  border-radius: var(--radius-card);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  transition: transform 300ms var(--ease-apple);
}
.section-alt .service-row { background: #fff; }
.service-row:hover { transform: translateY(-4px); }
.service-num { display: none; }
.service-title {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.service-desc {
  font-size: 1.0625rem;
  color: var(--ink-mute);
  max-width: 46ch;
  margin-bottom: 1.5rem;
  opacity: 1;
  transform: none;
}
.service-price {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: auto;
}

.services-closing {
  margin-top: 3rem;
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 52ch;
  margin-inline: auto;
  text-align: center;
}
.services-note {
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--ink-mute);
  text-align: center;
}

/* =============================================================
   10. Trabajos — marco de MacBook con momento sticky
   ============================================================= */
.works {
  display: flex;
  flex-direction: column;
}
.work-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: 3rem 6rem;
}
/* Espaciador de scroll para el efecto sticky — separado de .work-info a
   propósito. Antes .work-media y .work-info eran hermanos dentro del mismo
   .work-block de 150vh: como la altura real de ambos juntos es menor que
   150vh, .work-info quedaba posicionado en un punto del documento que
   todavía caía DENTRO del rango en el que .work-media seguía fijado por
   sticky, así que el texto aparecía superpuesto/asomando por debajo de la
   imagen todavía pegada en pantalla al hacer scroll. Con .work-info fuera
   de este contenedor, solo entra en flujo cuando el sticky ya se soltó. */
.work-sticky {
  width: 100%;
  min-height: 150vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
@media (max-width: 900px), (prefers-reduced-motion: reduce) {
  .work-block { padding-block: 2rem; gap: 2rem; }
  .work-sticky { min-height: 0; }
}

.work-media {
  position: sticky;
  top: 12vh;
  width: min(100%, 900px);
  aspect-ratio: 16 / 10;
  border-radius: 24px; /* escritorio */
  background: #1D1D1F;
  box-shadow: var(--shadow-soft);
  transform: scale(0.92);
  will-change: transform;
}
@media (max-width: 900px) {
  .work-media { position: static; border-radius: 40px; transform: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  .work-media { transform: none !important; }
}
.work-media-label,
.work-img {
  position: absolute;
  inset: 14px 14px 30px;
  border-radius: 10px;
}
.work-media-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.3rem, 3.4vw, 2.2rem);
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  background: #2C2C2E;
  text-align: center;
  padding: 1rem;
  letter-spacing: -0.02em;
}
.work-img {
  width: calc(100% - 28px); height: calc(100% - 44px);
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--snap) linear;
}
.work-img.is-loaded { opacity: 1; }

.work-info {
  width: min(100%, 700px);
  margin-top: 3rem;
  text-align: center;
}
.work-tag {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.work-name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.work-desc {
  color: var(--ink-mute);
  font-size: 1.1875rem;
  line-height: 1.4;
  max-width: 46ch;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}
.work-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-bottom: 2rem;
}
.work-meta > div { display: flex; flex-direction: column-reverse; gap: 0.35rem; }
.work-meta dt {
  font-size: 0.8125rem;
  color: var(--ink-mute);
}
.work-meta dd {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}
.work-link {
  font-size: 1.0625rem;
  color: var(--accent);
}
.work-link:hover { color: var(--accent-hover); }
.work-badge {
  font-size: 0.9rem;
  color: var(--ink-mute);
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 0.4rem 1rem;
  display: inline-block;
}

/* =============================================================
   10b. Laboratorio — marco de demo tipo navegador
   ============================================================= */
.lab-style-caption {
  margin-top: 1rem;
  font-family: var(--sans);
  font-size: 1.3125rem; /* 21px */
  font-weight: 400;
  color: var(--ink-mute); /* --ink-dim (#86868B) daba 3.33:1 aquí, no llega a AA */
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}
/* Control segmentado tipo iOS — envoltorio, siempre Apple, nunca cambia
   con el data-style de las demos. La pastilla blanca activa es un elemento
   real (.lab-tabs-thumb) que main.js desliza con transform; así se puede
   animar con un solo transition en vez de recalcular fondos por pestaña. */
.lab-tabs-outer {
  display: flex;
  justify-content: center;
  margin-bottom: 3.5rem; /* 56px */
}
.lab-tabs {
  position: relative;
  display: inline-flex;
  gap: 2px;
  max-width: 100%;
  overflow-x: auto;
  padding: 4px;
  border-radius: var(--radius);
  background: var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  /* Misma pista de "desliza" que .lab-style-row cuando las ocho pestañas
     no caben en el ancho disponible. */
  -webkit-mask-image: linear-gradient(to right, transparent, black 12px, black calc(100% - 12px), transparent);
  mask-image: linear-gradient(to right, transparent, black 12px, black calc(100% - 12px), transparent);
}
.lab-tabs::-webkit-scrollbar { display: none; }
.lab-tabs-thumb {
  position: absolute;
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 350ms var(--ease-apple), width 350ms var(--ease-apple);
  pointer-events: none;
  z-index: 0;
}
.lab-tab {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: 0.9375rem; /* 15px */
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  padding: 0.5rem 1.25rem; /* 8px 20px */
  border-radius: var(--radius);
  color: rgba(29, 29, 31, 0.7); /* 0.6 daba 4.16:1, no llega a AA. En oscuro se sobrescribe más abajo. */
  white-space: nowrap;
  transition: color 300ms var(--ease-apple);
}
.lab-tab[aria-selected="true"] { color: var(--ink); }
.lab-tab:hover:not([aria-selected="true"]) { color: var(--ink); }

.lab-device {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
  background: var(--bg);
  border: none;
  border-radius: 28px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.10);
  overflow: hidden;
  transition: max-width 500ms var(--ease-apple), border-radius 500ms var(--ease-apple), border-width 500ms var(--ease-apple);
}
.lab-device-bar {
  display: flex;
  align-items: center;
  height: 44px;
  padding-inline: 0.9rem;
  background: var(--bg-alt);
}
.lab-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.lab-dot:nth-child(1) { background: #FF5F57; }
.lab-dot:nth-child(2) { background: #FEBC2E; }
.lab-dot:nth-child(3) { background: #28C840; }
.lab-device-url {
  flex: 1;
  margin-inline: auto;
  max-width: 260px;
  text-align: center;
  font-family: var(--sans);
  font-size: 0.75rem; /* 12px */
  color: #5F5F63; /* --ink-mute (#6E6E73) daba 4.17:1 sobre este fondo compuesto — este pasa 5.24:1. En oscuro se sobrescribe más abajo. */
  background: var(--line);
  border-radius: var(--radius);
  padding: 0.3rem 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lab-device-screen {
  min-height: 420px;
  max-height: 560px;
  overflow-y: auto;
}
/* Vista móvil: la barra de navegador no tiene sentido en un teléfono —
   se sustituye por marco negro + muesca, nunca conviven las dos. */
.lab-device[data-viewport="movil"] {
  max-width: 390px;
  border: 10px solid var(--ink);
  border-radius: 44px;
}
.lab-device[data-viewport="movil"] .lab-device-bar { display: none; }
.lab-device[data-viewport="movil"]::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 26px;
  background: var(--ink);
  border-radius: 0 0 16px 16px;
  z-index: 5;
}
.lab-device[data-viewport="tablet"] { max-width: 620px; }
.lab-device[data-viewport="escritorio"] { max-width: 760px; }
.lab-panel {
  width: 100%;
  min-height: 100%;

  /* ---- style-system tokens — "técnico" values are the baseline ---- */
  --ls-bg: var(--bg);
  --ls-surface: var(--surface);
  --ls-ink: var(--ink);
  --ls-ink-mute: var(--ink-mute);
  --ls-line: var(--line-strong);
  --ls-accent: var(--accent);
  /* variante de --ls-accent garantizada a 4.5:1 tanto sobre --ls-bg como
     sobre --ls-surface — --ls-accent a secas solo se calibró contra --ls-bg
     (Fase 2/3); usar SIEMPRE esta para texto, --ls-accent para fondos/bordes */
  --ls-accent-text: var(--accent);
  --ls-danger: var(--danger);
  --ls-radius-sm: 2px;
  --ls-radius-md: 2px;
  --ls-radius-lg: 2px;
  --ls-border: 1px;
  --ls-shadow-soft: none;
  --ls-shadow-strong: none;
  --ls-font-display: var(--mono);
  --ls-font-body: var(--mono);
  --ls-tracking: 0.02em;
  --ls-scale: 1;
  --ls-heading-transform: none;
  --ls-label-transform: uppercase;
  --ls-gap: 0.9rem;
  --ls-pad: 1.4rem;
  --ls-dish-dir: row;
  --ls-dish-media: 84px;
  --ls-control-h: 38px;
  --ls-duration: 250ms;
  --ls-easing: linear;
  --ls-btn-radius: var(--ls-radius-md);
  --ls-btn-bg: var(--ls-ink);
  --ls-btn-ink: var(--ls-bg);
  --ls-btn-border-w: 0px;
  --ls-btn-border-c: transparent;
  /* estilo de campo: por defecto una caja — los estilos "línea inferior"
     (documento/lujo editorial/lectura) y "relleno" solo redefinen estas 6 */
  --ls-field-bg: var(--ls-surface);
  --ls-field-radius: var(--ls-radius-md);
  --ls-field-border-w: max(var(--ls-border), 1px);
  --ls-field-border-c: var(--ls-line);
  --ls-field-bottom-w: max(var(--ls-border), 1px);
  --ls-field-bottom-c: var(--ls-line);
  --ls-field-pad-x: 0.7rem;

  background: var(--ls-bg);
  color: var(--ls-ink);
  font-family: var(--ls-font-body);
  padding: var(--ls-pad);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing);
}
.lab-placeholder {
  margin: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-mute);
  text-align: center;
  line-height: 1.8;
}

/* ---- selector de estilos (píldoras) — compartido por las ocho demos ----
   Es envoltorio, no contenido de demo: a propósito NO usa ningún --ls-*, así
   nunca cambia de aspecto según qué uno de los doce estilos esté activo. */
.lab-style-row {
  display: flex;
  flex-wrap: nowrap;
  /* "safe center": centra la fila cuando los doce caben, pero en cuanto
     desborda se comporta como flex-start. Sin "safe", justify-content:center
     con overflow-x:auto es un bug clásico de flexbox — el navegador reparte
     el desbordamiento por igual a los dos lados y dentro del principio de
     la fila queda inalcanzable con scroll: exactamente lo que se veía
     (la fila "atascada" a mitad, sin forma de volver a Minimal claro). */
  justify-content: safe center;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.2rem 0;
  margin-bottom: 1.3rem;
  border-bottom: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.lab-style-row::-webkit-scrollbar { display: none; }
.lab-style-btn {
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: 0.875rem; /* 14px */
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  min-height: 40px;
  padding: 0.5rem 1rem; /* 8px 16px */
  display: inline-flex;
  align-items: center;
  border: none;
  border-radius: var(--radius);
  background: var(--line);
  color: rgba(29, 29, 31, 0.7); /* AA-safe sobre este fondo compuesto (~5.6:1); var(--ink-mute) sola solo da ~4.1:1 aquí. En oscuro se sobrescribe más abajo. */
  white-space: nowrap;
  transition: background 300ms var(--ease-apple), color 300ms var(--ease-apple);
}
.lab-style-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}
.lab-style-btn:hover:not([aria-pressed="true"]) { background: var(--line-strong); }
/* Degradado de desvanecido en los bordes: señala que la fila se puede
   deslizar en horizontal en cuanto desborda, a cualquier ancho de pantalla
   (no solo móvil — el escritorio también puede desbordar con ventana
   estrecha o zoom). "safe center" ya resuelve la alineación por sí solo;
   esto es puramente la pista visual de "hay más, desliza". */
.lab-style-row {
  -webkit-mask-image: linear-gradient(to right, transparent, black 20px, black calc(100% - 20px), transparent);
  mask-image: linear-gradient(to right, transparent, black 20px, black calc(100% - 20px), transparent);
}

/* =============================================================
   10c. Laboratorio — seis estilos base
   ============================================================= */
/* 1. Minimal claro — ref. Apple: aire, titulares enormes, tracking apretado, píldoras */
.lab-panel[data-style="minimal"] {
  --ls-bg: #FFFFFF;
  --ls-surface: #F5F5F7;
  --ls-ink: #1D1D1F;
  --ls-ink-mute: #6E6E73;
  --ls-line: rgba(29,29,31,0.1);
  --ls-accent: #0071E3;
  --ls-accent-text: #006CDA;
  --ls-danger: #C0392B;
  --ls-radius-sm: 8px;
  --ls-radius-md: 14px;
  --ls-radius-lg: 980px;
  --ls-border: 0px;
  --ls-shadow-soft: 0 4px 16px rgba(0,0,0,0.06);
  --ls-shadow-strong: 0 20px 40px rgba(0,0,0,0.12);
  --ls-font-display: "Inter", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: -0.03em;
  --ls-scale: 1;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 1.6rem;
  --ls-pad: 2rem;
  --ls-dish-dir: row;
  --ls-dish-media: 0px;
  --ls-control-h: 44px;
  --ls-duration: 400ms;
  --ls-easing: cubic-bezier(0.28, 0.11, 0.32, 1);
  --ls-btn-radius: var(--ls-radius-lg);
  --ls-btn-bg: var(--ls-accent);
  --ls-btn-ink: #FFFFFF;
}
.lab-panel[data-style="minimal"] .lab-field label,
.lab-panel[data-style="minimal"] .lab-cat-btn,
.lab-panel[data-style="minimal"] .lab-sort-btn,
.lab-panel[data-style="minimal"] .lab-panel-chart-title { letter-spacing: 0; }

/* 2. Degradado suave — ref. Stripe: sombras en capas, índigo, precisión */
.lab-panel[data-style="degradado"] {
  --ls-bg: #F6F9FC;
  --ls-surface: #FFFFFF;
  --ls-ink: #0A2540;
  --ls-ink-mute: #425466;
  --ls-line: rgba(10,37,64,0.1);
  --ls-accent: #5E56F2;
  --ls-accent-text: #5E56F2;
  --ls-danger: #DF1B41;
  --ls-radius-sm: 6px;
  --ls-radius-md: 10px;
  --ls-radius-lg: 10px;
  --ls-border: 1px;
  --ls-shadow-soft: 0 2px 5px rgba(10,37,64,0.06), 0 10px 20px rgba(10,37,64,0.08);
  --ls-shadow-strong: 0 4px 10px rgba(10,37,64,0.1), 0 20px 36px rgba(99,91,255,0.22);
  --ls-font-display: "Manrope", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: -0.02em;
  --ls-scale: 1.05;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 1rem;
  --ls-pad: 1.4rem;
  --ls-dish-dir: row;
  --ls-dish-media: 72px;
  --ls-control-h: 40px;
  --ls-duration: 250ms;
  --ls-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --ls-btn-radius: var(--ls-radius-md);
  --ls-btn-bg: linear-gradient(180deg, #6A62E8, #5248D6);
  --ls-btn-ink: #FFFFFF;
}
.lab-panel[data-style="degradado"] .lab-form-submit { background: var(--ls-btn-bg); }

/* 3. Oscuro premium — ref. Linear: casi negro, bordes de 1px, resplandor sutil */
.lab-panel[data-style="oscuro"] {
  --ls-bg: #0C0C0E;
  --ls-surface: #17181B;
  --ls-ink: #F7F8F8;
  --ls-ink-mute: rgba(247,248,248,0.55);
  --ls-line: rgba(255,255,255,0.08);
  --ls-accent: #5E6AD2;
  --ls-accent-text: #6E79D7;
  --ls-danger: #EB5757;
  --ls-radius-sm: 6px;
  --ls-radius-md: 8px;
  --ls-radius-lg: 8px;
  --ls-border: 1px;
  --ls-shadow-soft: 0 0 0 1px rgba(255,255,255,0.04), 0 8px 24px rgba(0,0,0,0.4);
  --ls-shadow-strong: 0 0 32px rgba(94,106,210,0.28);
  --ls-font-display: "Inter", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: -0.02em;
  --ls-scale: 1;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 0.7rem;
  --ls-pad: 1.2rem;
  --ls-dish-dir: row;
  --ls-dish-media: 64px;
  --ls-control-h: 36px;
  --ls-duration: 150ms;
  --ls-easing: cubic-bezier(0.16, 1, 0.3, 1);
  --ls-btn-radius: var(--ls-radius-md);
  --ls-btn-bg: var(--ls-accent);
  --ls-btn-ink: #FFFFFF;
}
/* 9. Lujo editorial — ref. Aesop: beige, serif clásica, casi sin color, muchísimo aire.
   Reutiliza el id "editorial" para que /carta-demo (que fuerza este estilo) no necesite tocarse. */
.lab-panel[data-style="editorial"] {
  --ls-bg: #F6F3EC;
  --ls-surface: #EDE7D9;
  --ls-ink: #2B2620;
  --ls-ink-mute: rgba(43,38,32,0.6);
  --ls-line: rgba(43,38,32,0.15);
  --ls-accent: #6B6455;
  --ls-accent-text: #6B6455;
  --ls-danger: #A02824;
  --ls-radius-sm: 0px;
  --ls-radius-md: 0px;
  --ls-radius-lg: 0px;
  --ls-border: 1px;
  --ls-shadow-soft: none;
  --ls-shadow-strong: none;
  --ls-font-display: "Fraunces", serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: 0.01em;
  --ls-scale: 0.95;
  --ls-heading-transform: none;
  --ls-label-transform: uppercase;
  --ls-gap: 1.6rem;
  --ls-pad: 2rem;
  --ls-dish-dir: row;
  --ls-dish-media: 0px;
  --ls-control-h: 40px;
  --ls-duration: 500ms;
  --ls-easing: ease;
  --ls-btn-radius: 0px;
  --ls-btn-bg: transparent;
  --ls-btn-ink: var(--ls-ink);
  --ls-btn-border-w: 1px;
  --ls-btn-border-c: var(--ls-ink);
  --ls-field-bg: transparent;
  --ls-field-radius: 0px;
  --ls-field-border-w: 0px;
  --ls-field-border-c: transparent;
  --ls-field-bottom-w: 1px;
  --ls-field-bottom-c: var(--ls-line);
  --ls-field-pad-x: 0.1rem;
}

/* 4. Cálido amable — ref. Airbnb: muy redondeado, coral, sombras suaves */
.lab-panel[data-style="calido"] {
  --ls-bg: #FFF8F6;
  --ls-surface: #FFF1EC;
  --ls-ink: #222222;
  --ls-ink-mute: #6A6A6A;
  --ls-line: rgba(0,0,0,0.08);
  --ls-accent: #D42E4C;
  --ls-accent-text: #D02D4A;
  --ls-danger: #C0392B;
  --ls-radius-sm: 12px;
  --ls-radius-md: 20px;
  --ls-radius-lg: 999px;
  --ls-border: 0px;
  --ls-shadow-soft: 0 6px 16px rgba(0,0,0,0.1);
  --ls-shadow-strong: 0 10px 30px rgba(0,0,0,0.16);
  --ls-font-display: "Quicksand", sans-serif;
  --ls-font-body: "Quicksand", sans-serif;
  --ls-tracking: 0;
  --ls-scale: 1.05;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 1.2rem;
  --ls-pad: 1.4rem;
  --ls-dish-dir: column;
  --ls-dish-media: 130px;
  --ls-control-h: 48px;
  --ls-duration: 200ms;
  --ls-easing: ease-out;
  --ls-btn-radius: var(--ls-radius-lg);
  --ls-btn-bg: var(--ls-accent);
  --ls-btn-ink: #FFFFFF;
}
.lab-panel[data-style="calido"] .lab-dish,
.lab-panel[data-style="calido"] .lab-panel-tablewrap,
.lab-panel[data-style="calido"] .lab-panel-chart-wrap,
.lab-panel[data-style="calido"] .lab-allergen-list { border: none; }

/* 10. Deportivo rotundo — ref. Nike: condensada en mayúsculas, bloques duros, sin redondeos.
   Reutiliza el id "brutalista" (ningún archivo fuera del Laboratorio depende de este id,
   pero se conserva por continuidad con el resto del sistema). */
.lab-panel[data-style="brutalista"] {
  --ls-bg: #FFFFFF;
  --ls-surface: #FFFFFF;
  --ls-ink: #111111;
  --ls-ink-mute: #4A4A4A;
  --ls-line: #111111;
  --ls-accent: #D42A1F;
  --ls-accent-text: #D42A1F;
  --ls-danger: #D42A1F;
  --ls-radius-sm: 0px;
  --ls-radius-md: 0px;
  --ls-radius-lg: 0px;
  --ls-border: 4px;
  --ls-shadow-soft: 6px 6px 0 #111111;
  --ls-shadow-strong: 6px 6px 0 #111111;
  --ls-font-display: "Oswald", sans-serif;
  --ls-font-body: "Oswald", sans-serif;
  --ls-tracking: 0;
  --ls-scale: 1.15;
  --ls-heading-transform: uppercase;
  --ls-label-transform: uppercase;
  --ls-gap: 1rem;
  --ls-pad: 1.1rem;
  --ls-dish-dir: column;
  --ls-dish-media: 110px;
  --ls-control-h: 52px;
  --ls-duration: 80ms;
  --ls-easing: linear;
  --ls-btn-radius: 0px;
  --ls-btn-bg: #111111;
  --ls-btn-ink: #FFFFFF;
}

/* 7. Geométrico color — ref. Figma: formas planas, multicolor controlado, alegre y ordenado */
.lab-panel[data-style="geometrico"] {
  --ls-bg: #FFFFFF;
  --ls-surface: #F5F5F5;
  --ls-ink: #000000;
  --ls-ink-mute: #757575;
  --ls-line: rgba(0,0,0,0.1);
  --ls-accent: #6425D0;
  --ls-accent-text: #6425D0;
  --ls-danger: #D42A1F;
  --ls-radius-sm: 4px;
  --ls-radius-md: 8px;
  --ls-radius-lg: 16px;
  --ls-border: 2px;
  --ls-shadow-soft: none;
  --ls-shadow-strong: none;
  --ls-font-display: "Sora", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: -0.01em;
  --ls-scale: 1;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 1rem;
  --ls-pad: 1.3rem;
  --ls-dish-dir: row;
  --ls-dish-media: 64px;
  --ls-control-h: 40px;
  --ls-duration: 180ms;
  --ls-easing: ease;
  --ls-btn-radius: var(--ls-radius-md);
  --ls-btn-bg: var(--ls-accent);
  --ls-btn-ink: #FFFFFF;
}
.lab-panel[data-style="geometrico"] .lab-dish:nth-child(4n+1) { border-top-color: #0ACF83; }
.lab-panel[data-style="geometrico"] .lab-dish:nth-child(4n+2) { border-top-color: #F24E1E; }
.lab-panel[data-style="geometrico"] .lab-dish:nth-child(4n+3) { border-top-color: #1ABCFE; }
.lab-panel[data-style="geometrico"] .lab-dish:nth-child(4n+4) { border-top-color: #A259FF; }

/* 8. Alto contraste — ref. Spotify: negro y verde, tipografía enorme y gruesa, energía */
.lab-panel[data-style="contraste"] {
  --ls-bg: #000000;
  --ls-surface: #121212;
  --ls-ink: #FFFFFF;
  --ls-ink-mute: #B3B3B3;
  --ls-line: rgba(255,255,255,0.1);
  --ls-accent: #1ED760;
  --ls-accent-text: #1ED760;
  --ls-danger: #FF5C5C;
  --ls-radius-sm: 4px;
  --ls-radius-md: 8px;
  --ls-radius-lg: 500px;
  --ls-border: 0px;
  --ls-shadow-soft: none;
  --ls-shadow-strong: 0 0 24px rgba(30,215,96,0.4);
  --ls-font-display: "Poppins", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: -0.02em;
  --ls-scale: 1.3;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 0.9rem;
  --ls-pad: 1.2rem;
  --ls-dish-dir: row;
  --ls-dish-media: 64px;
  --ls-control-h: 48px;
  --ls-duration: 100ms;
  --ls-easing: ease-out;
  --ls-btn-radius: var(--ls-radius-lg);
  --ls-btn-bg: var(--ls-accent);
  --ls-btn-ink: #000000;
}

/* 11. Lectura serif — ref. Medium: serif de lectura, blanco y negro, máxima legibilidad */
.lab-panel[data-style="lectura"] {
  --ls-bg: #FFFFFF;
  --ls-surface: #F7F7F5;
  --ls-ink: #242424;
  --ls-ink-mute: rgba(36,36,36,0.68);
  --ls-line: rgba(36,36,36,0.12);
  --ls-accent: #15730F;
  --ls-accent-text: #15730F;
  --ls-danger: #C0392B;
  --ls-radius-sm: 2px;
  --ls-radius-md: 4px;
  --ls-radius-lg: 999px;
  --ls-border: 0px;
  --ls-shadow-soft: none;
  --ls-shadow-strong: none;
  --ls-font-display: Georgia, "Times New Roman", serif;
  --ls-font-body: Georgia, "Times New Roman", serif;
  --ls-tracking: -0.01em;
  --ls-scale: 1.1;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 1.3rem;
  --ls-pad: 1.6rem;
  --ls-dish-dir: row;
  --ls-dish-media: 0px;
  --ls-control-h: 38px;
  --ls-duration: 200ms;
  --ls-easing: ease;
  --ls-btn-radius: var(--ls-radius-lg);
  --ls-btn-bg: var(--ls-ink);
  --ls-btn-ink: #FFFFFF;
  --ls-field-bg: transparent;
  --ls-field-radius: 0px;
  --ls-field-border-w: 0px;
  --ls-field-border-c: transparent;
  --ls-field-bottom-w: 1px;
  --ls-field-bottom-c: var(--ls-line);
  --ls-field-pad-x: 0.1rem;
}

/* 12. Fintech vivo — ref. Revolut/Monzo: tarjetas vivas, degradados alegres, tacto de app */
.lab-panel[data-style="fintech"] {
  --ls-bg: #14152B;
  --ls-surface: #1E2040;
  --ls-ink: #FFFFFF;
  --ls-ink-mute: rgba(255,255,255,0.62);
  --ls-line: rgba(255,255,255,0.12);
  --ls-accent: #7A5AF7;
  --ls-accent-text: #8F74F8;
  --ls-danger: #FF6B6B;
  --ls-radius-sm: 14px;
  --ls-radius-md: 20px;
  --ls-radius-lg: 999px;
  --ls-border: 0px;
  --ls-shadow-soft: 0 8px 24px rgba(124,92,252,0.22);
  --ls-shadow-strong: 0 16px 40px rgba(124,92,252,0.38);
  --ls-font-display: "Nunito", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: -0.015em;
  --ls-scale: 1.1;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 1rem;
  --ls-pad: 1.3rem;
  --ls-dish-dir: row;
  --ls-dish-media: 64px;
  --ls-control-h: 46px;
  --ls-duration: 220ms;
  --ls-easing: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ls-btn-radius: var(--ls-radius-lg);
  --ls-btn-bg: var(--ls-accent);
  --ls-btn-ink: #FFFFFF;
}

/* 7. Blanco y negro — ref. Vercel: geometría estricta, sin color, sin radios, contraste bruto */
.lab-panel[data-style="bn"] {
  --ls-bg: #FFFFFF;
  --ls-surface: #FAFAFA;
  --ls-ink: #000000;
  --ls-ink-mute: #666666;
  --ls-line: #000000;
  --ls-accent: #000000;
  --ls-accent-text: #000000;
  --ls-danger: #000000;
  --ls-radius-sm: 0px;
  --ls-radius-md: 0px;
  --ls-radius-lg: 0px;
  --ls-border: 1px;
  --ls-shadow-soft: none;
  --ls-shadow-strong: none;
  --ls-font-display: -apple-system, "Segoe UI", sans-serif;
  --ls-font-body: -apple-system, "Segoe UI", sans-serif;
  --ls-tracking: -0.01em;
  --ls-scale: 1;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 0.8rem;
  --ls-pad: 1.3rem;
  --ls-dish-dir: row;
  --ls-dish-media: 64px;
  --ls-control-h: 40px;
  --ls-duration: 120ms;
  --ls-easing: linear;
  --ls-btn-radius: 0px;
  --ls-btn-bg: #000000;
  --ls-btn-ink: #FFFFFF;
  --ls-btn-border-w: 1px;
  --ls-btn-border-c: #000000;
}
.lab-panel[data-style="bn"] .lab-status-pill.is-active,
.lab-panel[data-style="bn"] .lab-cal-cell.is-today { color: #000000; border-color: #000000; }

/* 8. Documento limpio — ref. Notion: blanco roto, negro cálido, campos en línea */
.lab-panel[data-style="documento"] {
  --ls-bg: #FFFFFF;
  --ls-surface: #F7F6F3;
  --ls-ink: #37352F;
  --ls-ink-mute: rgba(55,53,47,0.6);
  --ls-line: rgba(55,53,47,0.14);
  --ls-accent: #2077CE;
  --ls-accent-text: #1F72C6;
  --ls-danger: #EB5757;
  --ls-radius-sm: 4px;
  --ls-radius-md: 6px;
  --ls-radius-lg: 6px;
  --ls-border: 1px;
  --ls-shadow-soft: 0 1px 2px rgba(0,0,0,0.06);
  --ls-shadow-strong: 0 4px 12px rgba(0,0,0,0.1);
  --ls-font-display: "Inter", sans-serif;
  --ls-font-body: "Inter", sans-serif;
  --ls-tracking: 0;
  --ls-scale: 0.85;
  --ls-heading-transform: none;
  --ls-label-transform: none;
  --ls-gap: 0.6rem;
  --ls-pad: 1.1rem;
  --ls-dish-dir: row;
  --ls-dish-media: 0px;
  --ls-control-h: 34px;
  --ls-duration: 120ms;
  --ls-easing: ease;
  --ls-btn-radius: var(--ls-radius-md);
  --ls-btn-bg: var(--ls-ink);
  --ls-btn-ink: #FFFFFF;
  --ls-field-bg: transparent;
  --ls-field-radius: 0px;
  --ls-field-border-w: 0px;
  --ls-field-border-c: transparent;
  --ls-field-bottom-w: 1px;
  --ls-field-bottom-c: var(--ls-line);
  --ls-field-pad-x: 0.1rem;
}
.lab-panel[data-style="documento"] .lab-dish,
.lab-panel[data-style="documento"] .lab-allergen-list,
.lab-panel[data-style="documento"] .lab-panel-tablewrap,
.lab-panel[data-style="documento"] .lab-panel-chart-wrap { box-shadow: none; border: 1px solid var(--ls-line); }

/* ---- Carta QR ---- */
.lab-carta-brand,
.lab-panel-brand,
.lab-reservas-brand {
  font-family: var(--ls-font-display);
  font-weight: 700;
  font-size: calc(1.05rem * var(--ls-scale));
  letter-spacing: var(--ls-tracking);
  text-transform: var(--ls-heading-transform);
  color: var(--ls-ink);
  margin-bottom: 1rem;
}
.lab-carta-brandrow {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1rem;
}
.lab-carta-brandrow .lab-carta-brand { margin-bottom: 0; }
.lab-carta-fullscreen {
  font-family: var(--ls-font-body);
  font-size: 0.78rem;
  color: var(--ls-accent-text);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ls-duration) var(--ls-easing);
  margin-bottom: 1rem;
  white-space: nowrap;
}
.lab-carta-fullscreen:hover { border-color: var(--ls-accent); }
.lab-carta-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: var(--ls-border) solid var(--ls-line);
}
.lab-lang-toggle { display: flex; border: max(var(--ls-border), 1px) solid var(--ls-line); border-radius: var(--ls-radius-lg); overflow: hidden; }
.lab-lang-toggle button {
  font-family: var(--ls-font-body);
  font-size: 0.72rem;
  min-height: var(--ls-control-h);
  padding: 0.4rem 0.9rem;
  display: inline-flex;
  align-items: center;
  color: var(--ls-ink-mute);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing);
}
.lab-lang-toggle button + button { border-left: 1px solid var(--ls-line); }
.lab-lang-toggle button[aria-pressed="true"] { background: var(--ls-accent); color: var(--ls-bg); }

.lab-carta-categories { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.lab-cat-btn {
  font-family: var(--ls-font-body);
  font-size: 0.7rem;
  letter-spacing: var(--ls-tracking);
  text-transform: var(--ls-label-transform);
  min-height: var(--ls-control-h);
  padding: 0.4rem 0.9rem;
  display: inline-flex;
  align-items: center;
  border: max(var(--ls-border), 1px) solid var(--ls-line);
  border-radius: var(--ls-radius-lg);
  color: var(--ls-ink-mute);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing), border-color var(--ls-duration) var(--ls-easing);
}
.lab-cat-btn[aria-pressed="true"] { background: var(--ls-ink); color: var(--ls-bg); border-color: var(--ls-ink); }

.lab-allergen-filter { margin-left: auto; font-family: var(--ls-font-body); font-size: 0.72rem; color: var(--ls-ink-mute); position: relative; }
.lab-allergen-filter summary { cursor: pointer; padding: 0.4rem 0.7rem; border: max(var(--ls-border), 1px) solid var(--ls-line); border-radius: var(--ls-radius-lg); list-style: none; }
.lab-allergen-filter summary::-webkit-details-marker { display: none; }
.lab-allergen-list {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  z-index: 5;
  background: var(--ls-surface);
  border: max(var(--ls-border), 1px) solid var(--ls-line);
  border-radius: var(--ls-radius-md);
  box-shadow: var(--ls-shadow-soft);
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 160px;
}
.lab-allergen-item { display: flex; align-items: center; gap: 0.5em; font-size: 0.76rem; white-space: nowrap; }

.lab-carta-list { display: flex; flex-direction: column; gap: var(--ls-gap); }
.lab-dish {
  display: flex;
  flex-direction: var(--ls-dish-dir);
  gap: 0.9rem;
  border: var(--ls-border) solid var(--ls-line);
  border-radius: var(--ls-radius-md);
  box-shadow: var(--ls-shadow-soft);
  background: var(--ls-surface);
  overflow: clip;
}
.lab-dish-media {
  position: relative;
  flex: 0 0 var(--ls-dish-media);
  height: var(--ls-dish-media);
  background: hsl(var(--hue) 42% 20%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  overflow: hidden;
}
/* La foto real cubre el bloque de color; si falla (onerror la quita del DOM
   con this.remove()), el color + nombre del plato siguen ahí debajo —
   nunca un icono de imagen rota. */
.lab-dish-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lab-panel[data-style="minimal"] .lab-dish-media,
.lab-panel[data-style="editorial"] .lab-dish-media,
.lab-panel[data-style="documento"] .lab-dish-media,
.lab-panel[data-style="lectura"] .lab-dish-media { display: none; }
.lab-dish-media span {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-align: center;
  color: hsl(var(--hue) 60% 78%);
  line-height: 1.3;
}
.lab-dish-info { flex: 1; min-width: 0; padding: 0.8rem 0.9rem; }
.lab-dish-head { display: flex; justify-content: space-between; gap: 0.8rem; margin-bottom: 0.3rem; }
.lab-dish-head h4 { font-family: var(--ls-font-display); font-size: calc(1.02rem * var(--ls-scale)); letter-spacing: var(--ls-tracking); font-weight: 700; text-transform: var(--ls-heading-transform); color: var(--ls-ink); }
.lab-dish-price { font-family: var(--ls-font-body); font-size: 0.82rem; color: var(--ls-accent-text); white-space: nowrap; }
.lab-dish-info p { font-family: var(--ls-font-body); font-size: 0.8rem; color: var(--ls-ink-mute); }
.lab-dish-allergens { margin-top: 0.4rem; font-size: 0.68rem !important; color: var(--ls-ink-mute) !important; text-transform: uppercase; letter-spacing: 0.03em; }
.lab-empty { font-family: var(--ls-font-body); font-size: 0.85rem; color: var(--ls-ink-mute); text-align: center; padding: 2rem 0; }

/* ---- Panel de gestión ---- */
.lab-panelapp { display: flex; flex-direction: column; gap: var(--ls-gap); font-family: var(--ls-font-body); }
.lab-panel-toolbar { display: flex; align-items: center; gap: 1rem; }
.lab-panel-search {
  flex: 1;
  min-height: var(--ls-control-h);
  background: var(--ls-field-bg);
  border: var(--ls-field-border-w) solid var(--ls-field-border-c);
  border-bottom: var(--ls-field-bottom-w) solid var(--ls-field-bottom-c);
  border-radius: var(--ls-field-radius);
  color: var(--ls-ink);
  font-family: var(--ls-font-body);
  font-size: 0.84rem;
  padding: 0.55rem var(--ls-field-pad-x);
}
.lab-panel-search:focus { outline: none; border-color: var(--ls-accent); }
.lab-panel-count { font-family: var(--ls-font-body); font-size: 0.74rem; color: var(--ls-ink-mute); white-space: nowrap; }

.lab-panel-tablewrap { overflow-x: auto; border: var(--ls-border) solid var(--ls-line); border-radius: var(--ls-radius-sm); box-shadow: var(--ls-shadow-soft); }
.lab-panel-table { width: 100%; border-collapse: collapse; font-family: var(--ls-font-body); font-size: 0.78rem; background: var(--ls-surface); }
.lab-panel-table th { text-align: left; border-bottom: max(var(--ls-border), 1px) solid var(--ls-line); background: var(--ls-surface); }
.lab-sort-btn {
  width: 100%;
  text-align: left;
  padding: 0.6rem 0.7rem;
  color: var(--ls-ink-mute);
  font-family: var(--ls-font-body);
  font-size: 0.72rem;
  letter-spacing: var(--ls-tracking);
  text-transform: var(--ls-label-transform);
  white-space: nowrap;
}
.lab-sort-btn:hover { color: var(--ls-accent-text); }
.lab-panel-table td { padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--ls-line); color: var(--ls-ink); white-space: nowrap; }
.lab-panel-table tr:last-child td { border-bottom: none; }
.lab-empty-cell { text-align: center !important; color: var(--ls-ink-mute); padding: 1.5rem !important; }

.lab-status-pill { display: inline-block; padding: 0.2rem 0.55rem; font-size: 0.7rem; border: max(var(--ls-border), 1px) solid var(--ls-line); border-radius: var(--ls-radius-lg); }
.lab-status-pill.is-active { color: var(--ls-accent-text); border-color: var(--ls-accent); }
.lab-status-pill.is-pending { color: var(--ls-ink-mute); }
.lab-status-pill.is-inactive { color: var(--ls-ink-mute); }

.lab-panel-chart-wrap { border: var(--ls-border) solid var(--ls-line); border-radius: var(--ls-radius-sm); box-shadow: var(--ls-shadow-soft); padding: 1rem; background: var(--ls-surface); }
.lab-panel-chart-title { font-family: var(--ls-font-body); font-size: 0.74rem; color: var(--ls-ink-mute); text-transform: var(--ls-label-transform); letter-spacing: var(--ls-tracking); margin-bottom: 0.8rem; }
.lab-panel-chart { width: 100%; height: 140px; overflow: visible; }
.lab-chart-bar { fill: var(--ls-accent); opacity: 0.9; }
.lab-chart-label { font-family: var(--ls-font-body); font-size: 7.5px; fill: var(--ls-ink-mute); }

/* ---- Reservas ---- */
.lab-reservas { display: flex; flex-direction: column; gap: var(--ls-gap); font-family: var(--ls-font-body); }
.lab-cal-title { font-family: var(--ls-font-display); font-weight: 700; font-size: calc(0.9rem * var(--ls-scale)); text-transform: capitalize; margin-bottom: 0.8rem; color: var(--ls-ink); }
.lab-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.lab-cal-dow { font-family: var(--ls-font-body); font-size: 0.66rem; color: var(--ls-ink-mute); text-align: center; padding-block: 0.3rem; }
.lab-cal-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ls-font-body);
  font-size: 0.78rem;
  color: var(--ls-ink-mute);
  border: max(var(--ls-border), 1px) solid var(--ls-line);
  border-radius: var(--ls-radius-md);
  background: var(--ls-surface);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing), border-color var(--ls-duration) var(--ls-easing);
}
.lab-cal-cell.is-empty { border-color: transparent; background: transparent; }
.lab-cal-cell:disabled { opacity: 0.38; cursor: not-allowed; }
.lab-cal-cell.is-today { border-color: var(--ls-accent); color: var(--ls-accent-text); }
.lab-cal-cell:not(:disabled):not(.is-empty):hover { border-color: var(--ls-accent); color: var(--ls-ink); }
.lab-cal-cell.is-selected { background: var(--ls-accent); color: var(--ls-bg); border-color: var(--ls-accent); }

.lab-slots-title, .lab-confirm-detail { font-family: var(--ls-font-body); font-size: 0.8rem; color: var(--ls-ink-mute); margin-bottom: 0.8rem; }
.lab-slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 0.5rem; }
.lab-slot-btn {
  font-family: var(--ls-font-body);
  font-size: 0.8rem;
  min-height: var(--ls-control-h);
  padding: 0.55rem;
  border: max(var(--ls-border), 1px) solid var(--ls-line);
  border-radius: var(--ls-radius-md);
  color: var(--ls-ink);
  background: var(--ls-surface);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing);
}
.lab-slot-btn:disabled { opacity: 0.35; cursor: not-allowed; text-decoration: line-through; }
.lab-slot-btn:not(:disabled):hover { background: var(--ls-ink); color: var(--ls-bg); }

.lab-reservas-confirm { text-align: center; padding: 1.5rem 0; opacity: 0; transform: translateY(6px); transition: opacity var(--snap) var(--ease), transform var(--snap) var(--ease); }
.lab-reservas-confirm.is-in { opacity: 1; transform: none; }
.lab-confirm-check {
  width: 44px; height: 44px;
  margin: 0 auto 1rem;
  border: max(var(--ls-border), 1px) solid var(--ls-accent);
  border-radius: var(--ls-radius-lg);
  color: var(--ls-accent-text);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.lab-confirm-title { font-family: var(--ls-font-display); font-size: calc(1.15rem * var(--ls-scale)); letter-spacing: var(--ls-tracking); font-weight: 700; text-transform: var(--ls-heading-transform); margin-bottom: 0.5rem; color: var(--ls-ink); }
.lab-confirm-ref { font-family: var(--ls-font-body); font-size: 0.76rem; color: var(--ls-ink-mute); margin-bottom: 1.2rem; }
.lab-confirm-reset {
  font-family: var(--ls-font-body);
  font-size: 0.78rem;
  padding: 0.6rem 1.1rem;
  border: max(var(--ls-border), 1px) solid var(--ls-ink);
  border-radius: var(--ls-radius-md);
  color: var(--ls-ink);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing);
}
.lab-confirm-reset:hover { background: var(--ls-ink); color: var(--ls-bg); }

/* ---- Formulario inteligente ---- */
.lab-form-wrap { width: 100%; }
.lab-smart-form { display: flex; flex-direction: column; gap: var(--ls-gap); max-width: 420px; margin-inline: auto; width: 100%; font-family: var(--ls-font-body); }
.lab-form-caption { font-family: var(--ls-font-body); font-size: 0.72rem; color: var(--ls-ink-mute); }
.lab-field label {
  display: block;
  font-family: var(--ls-font-body);
  font-size: 0.7rem;
  letter-spacing: var(--ls-tracking);
  text-transform: var(--ls-label-transform);
  color: var(--ls-ink-mute);
  margin-bottom: 0.4rem;
}
.lab-field input, .lab-field textarea {
  width: 100%;
  min-height: var(--ls-control-h);
  background: var(--ls-field-bg);
  border: var(--ls-field-border-w) solid var(--ls-field-border-c);
  border-bottom: var(--ls-field-bottom-w) solid var(--ls-field-bottom-c);
  border-radius: var(--ls-field-radius);
  color: var(--ls-ink);
  font-family: var(--ls-font-body);
  font-size: 0.88rem;
  padding: 0.6rem var(--ls-field-pad-x);
  transition: border-color var(--ls-duration) var(--ls-easing);
}
.lab-field textarea { min-height: 72px; resize: vertical; }
.lab-field input:focus, .lab-field textarea:focus { outline: none; border-color: var(--ls-accent); }
.lab-field input.is-invalid, .lab-field textarea.is-invalid { border-color: var(--ls-danger); }
.lab-field input.is-valid, .lab-field textarea.is-valid { border-color: var(--ls-accent); }
.lab-field-error { display: block; min-height: 1.2em; font-family: var(--ls-font-body); font-size: 0.7rem; color: var(--ls-danger); margin-top: 0.35rem; }
.lab-form-submit {
  font-family: var(--ls-font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: var(--ls-tracking);
  text-transform: var(--ls-label-transform);
  min-height: var(--ls-control-h);
  padding: 0.7rem 1.2rem;
  border: var(--ls-btn-border-w) solid var(--ls-btn-border-c);
  border-radius: var(--ls-btn-radius);
  box-shadow: var(--ls-shadow-soft);
  background: var(--ls-btn-bg);
  color: var(--ls-btn-ink);
  transition: background var(--ls-duration) var(--ls-easing), box-shadow var(--ls-duration) var(--ls-easing), transform var(--ls-duration) var(--ls-easing);
}
.lab-form-submit:hover { box-shadow: var(--ls-shadow-strong); }
.lab-smart-form.is-sending .lab-form-submit { opacity: 0.7; cursor: wait; }
.lab-form-result { text-align: center; padding: 1rem 0; }

/* ---- Ficha de producto ---- */
.lab-product-body { display: flex; flex-direction: column; gap: 1.2rem; }
@media (min-width: 540px) { .lab-product-body { flex-direction: row; } }
.lab-product-media {
  position: relative;
  flex: 0 0 auto;
  width: 100%;
  height: 160px;
  border-radius: var(--ls-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--hue, 205) 60% 82%);
  font-family: var(--ls-font-display);
  font-size: 0.9rem;
  overflow: hidden;
}
.lab-product-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 540px) { .lab-product-media { width: 40%; height: auto; min-height: 220px; } }
.lab-product-info { flex: 1; min-width: 0; }
.lab-product-brand { font-family: var(--ls-font-body); font-size: 0.72rem; color: var(--ls-ink-mute); text-transform: var(--ls-label-transform); letter-spacing: var(--ls-tracking); margin-bottom: 0.4rem; }
.lab-product-name { font-family: var(--ls-font-display); font-size: calc(1.2rem * var(--ls-scale)); letter-spacing: var(--ls-tracking); font-weight: 700; text-transform: var(--ls-heading-transform); color: var(--ls-ink); margin-bottom: 0.3rem; }
.lab-product-rating { font-family: var(--ls-font-body); font-size: 0.8rem; color: var(--ls-ink-mute); margin-bottom: 0.5rem; }
.lab-product-price { font-family: var(--ls-font-display); font-size: 1.1rem; font-weight: 700; color: var(--ls-accent-text); margin-bottom: 0.6rem; }
.lab-product-desc { font-family: var(--ls-font-body); font-size: 0.86rem; color: var(--ls-ink-mute); margin-bottom: 1rem; max-width: 44ch; }
.lab-product-variant { margin-bottom: 0.9rem; }
.lab-variant-label { font-family: var(--ls-font-body); font-size: 0.72rem; text-transform: var(--ls-label-transform); letter-spacing: var(--ls-tracking); color: var(--ls-ink-mute); margin-bottom: 0.4rem; }
.lab-variant-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.lab-variant-row button {
  font-family: var(--ls-font-body);
  font-size: 0.78rem;
  min-height: var(--ls-control-h);
  padding: 0.35rem 0.8rem;
  border: max(var(--ls-border), 1px) solid var(--ls-line);
  border-radius: var(--ls-radius-lg);
  color: var(--ls-ink-mute);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing), border-color var(--ls-duration) var(--ls-easing);
}
.lab-variant-row button[aria-pressed="true"] { background: var(--ls-ink); color: var(--ls-bg); border-color: var(--ls-ink); }
.lab-product-buy {
  font-family: var(--ls-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: var(--ls-tracking);
  text-transform: var(--ls-label-transform);
  min-height: var(--ls-control-h);
  padding: 0.7rem 1.3rem;
  border: var(--ls-btn-border-w) solid var(--ls-btn-border-c);
  border-radius: var(--ls-btn-radius);
  box-shadow: var(--ls-shadow-soft);
  background: var(--ls-btn-bg);
  color: var(--ls-btn-ink);
  transition: box-shadow var(--ls-duration) var(--ls-easing);
}
.lab-product-buy:hover { box-shadow: var(--ls-shadow-strong); }
.lab-product-note { font-family: var(--ls-font-body); font-size: 0.78rem; color: var(--ls-accent-text); margin-top: 0.6rem; min-height: 1.2em; }
.lab-product-note.is-error { color: var(--ls-danger); }

/* ---- Panel de analítica ---- */
.lab-analytics { display: flex; flex-direction: column; gap: var(--ls-gap); font-family: var(--ls-font-body); }
.lab-analytics-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.8rem; }
.lab-period-toggle { display: flex; border: max(var(--ls-border), 1px) solid var(--ls-line); border-radius: var(--ls-radius-lg); overflow: hidden; }
.lab-period-toggle button {
  font-family: var(--ls-font-body);
  font-size: 0.74rem;
  min-height: var(--ls-control-h);
  padding: 0.4rem 0.8rem;
  color: var(--ls-ink-mute);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing);
}
.lab-period-toggle button + button { border-left: 1px solid var(--ls-line); }
.lab-period-toggle button[aria-pressed="true"] { background: var(--ls-accent); color: var(--ls-bg); }
.lab-metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: var(--ls-gap); }
.lab-metric-card {
  padding: var(--ls-pad);
  border: var(--ls-border) solid var(--ls-line);
  border-radius: var(--ls-radius-md);
  box-shadow: var(--ls-shadow-soft);
  background: var(--ls-surface);
}
.lab-metric-label { font-family: var(--ls-font-body); font-size: 0.72rem; color: var(--ls-ink-mute); text-transform: var(--ls-label-transform); letter-spacing: var(--ls-tracking); margin-bottom: 0.4rem; }
.lab-metric-value { font-family: var(--ls-font-display); font-size: calc(1.3rem * var(--ls-scale)); font-weight: 700; color: var(--ls-ink); }
/* ▲/▼ ya llevan el significado — el color usa --ls-ink porque --ls-accent y
   --ls-danger no están calibrados a 4.5:1 sobre --ls-surface en los doce
   estilos (solo se verificaron sobre --ls-bg), y --ls-ink sí lo está siempre. */
.lab-metric-delta { font-family: var(--ls-font-body); font-size: 0.74rem; margin-top: 0.2rem; color: var(--ls-ink); }
.lab-chart-area { fill: var(--ls-accent); opacity: 0.12; }
.lab-chart-line { fill: none; stroke: var(--ls-accent); stroke-width: 2; }
.lab-chart-dot { fill: var(--ls-accent); }

/* ---- Blog / artículo ---- */
.lab-article-body { display: flex; flex-direction: column-reverse; gap: 1.4rem; }
@media (min-width: 560px) { .lab-article-body { flex-direction: row; align-items: flex-start; } }
.lab-article-toc { flex: 0 0 auto; width: 100%; }
@media (min-width: 560px) { .lab-article-toc { width: 180px; position: sticky; top: 0; } }
.lab-article-toc-label { font-family: var(--ls-font-body); font-size: 0.7rem; text-transform: var(--ls-label-transform); letter-spacing: var(--ls-tracking); color: var(--ls-ink-mute); margin-bottom: 0.5rem; }
.lab-article-toc ol { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.lab-article-toc a { font-family: var(--ls-font-body); font-size: 0.82rem; color: var(--ls-ink-mute); border-left: 2px solid var(--ls-line); padding-left: 0.7rem; display: block; transition: color var(--ls-duration) var(--ls-easing), border-color var(--ls-duration) var(--ls-easing); }
.lab-article-toc a:hover { color: var(--ls-accent-text); border-color: var(--ls-accent); }
.lab-article-content { flex: 1; min-width: 0; }
.lab-article-cover { width: 100%; aspect-ratio: 2 / 1; border-radius: var(--ls-radius-md); overflow: hidden; margin-bottom: 1.2rem; background: var(--ls-surface); }
.lab-article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lab-article-kicker { font-family: var(--ls-font-body); font-size: 0.72rem; color: var(--ls-accent-text); text-transform: var(--ls-label-transform); letter-spacing: var(--ls-tracking); margin-bottom: 0.5rem; }
.lab-article-title { font-family: var(--ls-font-display); font-size: calc(1.5rem * var(--ls-scale)); line-height: 1.15; letter-spacing: var(--ls-tracking); font-weight: 700; text-transform: var(--ls-heading-transform); color: var(--ls-ink); margin-bottom: 0.5rem; }
.lab-article-meta { font-family: var(--ls-font-body); font-size: 0.78rem; color: var(--ls-ink-mute); margin-bottom: 1.4rem; }
.lab-article-content section { margin-bottom: 1.4rem; scroll-margin-top: 1rem; }
.lab-article-content h5 { font-family: var(--ls-font-display); font-size: calc(1.05rem * var(--ls-scale)); font-weight: 700; text-transform: var(--ls-heading-transform); color: var(--ls-ink); margin-bottom: 0.4rem; }
.lab-article-content p { font-family: var(--ls-font-body); font-size: 0.92rem; line-height: 1.6; color: var(--ls-ink-mute); max-width: 62ch; }

/* ---- Chat de atención ---- */
.lab-chat { display: flex; flex-direction: column; gap: var(--ls-gap); font-family: var(--ls-font-body); }
.lab-chat-thread { display: flex; flex-direction: column; gap: 0.6rem; max-height: 260px; overflow-y: auto; padding: 0.4rem; }
.lab-chat-bubble {
  max-width: 78%;
  padding: 0.6rem 0.85rem;
  border-radius: var(--ls-radius-md);
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--ls-ink);
  background: var(--ls-surface);
  border: var(--ls-border) solid var(--ls-line);
}
.lab-chat-bubble.is-user { align-self: flex-end; background: var(--ls-btn-bg); color: var(--ls-btn-ink); border-color: transparent; }
.lab-chat-bubble.is-agent {
  position: relative;
  align-self: flex-start;
  margin-left: 34px;
}
/* Avatar como fondo CSS, no <img>: si la foto no carga, el círculo
   simplemente no se pinta (sin icono de imagen rota que gestionar). */
.lab-chat-bubble.is-agent::before {
  content: "";
  position: absolute;
  left: -34px;
  bottom: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ls-surface) url("https://images.unsplash.com/photo-1535713875002-d1d0cf377fde?w=80&h=80&fit=crop&q=70") center/cover;
  flex: none;
}
.lab-chat-bubble.is-typing { display: flex; gap: 0.3em; align-items: center; padding-block: 0.8rem; }
.lab-chat-bubble.is-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--ls-ink-mute); animation: lab-typing 1s infinite ease-in-out; }
.lab-chat-bubble.is-typing span:nth-child(2) { animation-delay: 0.15s; }
.lab-chat-bubble.is-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes lab-typing { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }
.lab-chat-quick { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.lab-chat-quick button {
  font-family: var(--ls-font-body);
  font-size: 0.78rem;
  min-height: var(--ls-control-h);
  padding: 0.4rem 0.8rem;
  border: max(var(--ls-border), 1px) solid var(--ls-line);
  border-radius: var(--ls-radius-lg);
  color: var(--ls-ink-mute);
  transition: background var(--ls-duration) var(--ls-easing), color var(--ls-duration) var(--ls-easing);
}
.lab-chat-quick button:not(:disabled):hover { border-color: var(--ls-accent); color: var(--ls-ink); }
.lab-chat-quick button:disabled { opacity: 0.4; cursor: not-allowed; }
@media (prefers-reduced-motion: reduce) {
  .lab-chat-bubble.is-typing span { animation: none; opacity: 0.6; }
}

/* =============================================================
   10d. Laboratorio — barra de herramientas (detalles / favoritos / comparador)
   ============================================================= */
.lab-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.lab-toolbar-btn {
  font-family: var(--sans);
  font-size: 0.9375rem; /* 15px */
  font-weight: 500;
  padding: 0.5rem 1rem;
  min-height: 40px;
  border: none;
  border-radius: var(--radius);
  background: var(--line);
  color: rgba(29, 29, 31, 0.7); /* en oscuro se sobrescribe más abajo */
  transition: background 300ms var(--ease-apple), color 300ms var(--ease-apple);
}
.lab-toolbar-btn:hover { background: var(--line-strong); }
.lab-toolbar-btn[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

.lab-details-panel {
  margin-top: 1.2rem;
  padding: 1.4rem 1.6rem;
  border: none;
  border-radius: 20px;
  background: var(--bg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  max-width: 760px;
  margin-inline: auto;
}
.lab-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem 1.4rem;
  font-family: var(--sans);
}
.lab-details-grid dt { font-size: 0.75rem; color: var(--ink-mute); margin-bottom: 0.3rem; }
.lab-details-grid dd { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9375rem; color: var(--ink); font-weight: 600; }
.lab-color-dot {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  flex: none;
}

.lab-favorites {
  margin-top: 1.2rem;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}
.lab-favorites-label {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--ink-mute);
  margin-bottom: 0.8rem;
}
.lab-favorites-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}
.lab-favorite-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.5rem 0.4rem 0.9rem;
  border: none;
  border-radius: var(--radius);
  background: var(--line);
  color: var(--ink);
}
.lab-favorite-chip button {
  color: var(--ink-mute);
  font-size: 1rem;
  line-height: 1;
  padding: 0.15rem;
  min-width: 24px;
  min-height: 24px;
  border-radius: 50%;
  transition: background 300ms var(--ease-apple), color 300ms var(--ease-apple);
}
.lab-favorite-chip button:hover { background: var(--line-strong); color: var(--danger); }

.lab-compare {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  max-width: 900px;
  margin-inline: auto;
}
@media (max-width: 760px) {
  .lab-compare { grid-template-columns: 1fr; }
}
.lab-compare-col {
  border: none;
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  overflow: clip;
  background: var(--bg);
}
.lab-compare-col .lab-panel { padding: 1rem; }
.lab-compare-col .lab-style-row {
  flex-wrap: wrap;
  overflow: visible;
  -webkit-mask-image: none;
  mask-image: none;
}

/* =============================================================
   10d. Laboratorio — generador infinito y personalización
   ============================================================= */
.lab-generator {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: none;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}
.lab-generator-text {
  font-family: var(--sans);
  font-size: 1.0625rem;
  color: var(--ink-mute);
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: 1.6rem;
}
.lab-generator-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
}
.lab-combo-counter {
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--ink-mute);
}
.lab-combo-counter span {
  color: var(--accent-text);
  font-weight: 600;
}

.lab-customize {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: none;
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: center;
  gap: 1.4rem 1.8rem;
}
.lab-customize-field { flex: 1 1 200px; min-width: 160px; }
.lab-customize-field label {
  display: block;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  margin-bottom: 0.5rem;
}
.lab-customize-field input[type="text"] {
  width: 100%;
  background: var(--bg);
  border: none;
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem; /* 17px */
  padding: 0.75rem 1rem;
  transition: box-shadow 300ms var(--ease-apple);
}
.lab-customize-field input[type="text"]:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.2);
}
.lab-customize-color { flex: 0 1 90px; min-width: 70px; }
.lab-customize-color input[type="color"] {
  width: 100%;
  height: 42px;
  background: var(--bg);
  border: none;
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px var(--line);
  padding: 4px;
  cursor: pointer;
}

.lab-viewport-toggle {
  display: flex;
  gap: 2px;
  padding: 4px;
  border-radius: var(--radius);
  background: var(--line);
  margin-left: auto;
}
.lab-viewport-toggle button {
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
  color: rgba(29, 29, 31, 0.7); /* 0.6 daba 4.16:1, no llega a AA. En oscuro se sobrescribe más abajo. */
  transition: background 300ms var(--ease-apple), color 300ms var(--ease-apple);
}
.lab-viewport-toggle button[aria-pressed="true"] {
  background: var(--bg);
  color: var(--ink);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

@media (max-width: 640px) {
  .lab-viewport-toggle { margin-left: 0; width: 100%; }
  .lab-viewport-toggle button { flex: 1; text-align: center; }
}

/* =============================================================
   10e. Laboratorio — calculadora de presupuesto
   ============================================================= */
.lab-subhead {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: none;
  margin-bottom: 1.8rem;
  text-align: center;
}
.lab-subhead .kicker { margin-bottom: 0.8rem; display: inline-flex; justify-content: center; }
.lab-subhead h3 { font-size: clamp(1.3rem, 2.6vw, 1.8rem); max-width: 42ch; margin-inline: auto; }

.lab-calc { max-width: 900px; margin-inline: auto; }
.lab-calc-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 780px) {
  .lab-calc-body { grid-template-columns: 1.3fr 1fr; align-items: start; }
}
.lab-calc-controls { display: flex; flex-direction: column; gap: 1.5rem; }
.lab-calc-field label {
  display: block;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  margin-bottom: 0.7rem;
}
/* antes era ".lab-calc-field span" — coincidía también con los <span> de
   "Idiomas adicionales" etc. dentro de .lab-calc-extras (que también es un
   .lab-calc-field), dejándolos en accent (4.31:1, no llega a AA). Se acota
   al span del contador de páginas, que es el único que debía destacarse. */
[data-calc-pages-value] { color: var(--accent-text); font-weight: 600; }

.lab-calc-type-toggle {
  display: flex;
  gap: 2px;
  padding: 4px;
  border-radius: var(--radius);
  background: var(--line);
}
.lab-calc-type-toggle button {
  flex: 1;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.5rem;
  border-radius: var(--radius);
  color: rgba(29, 29, 31, 0.7); /* 0.6 daba 4.16:1, no llega a AA. En oscuro se sobrescribe más abajo. */
  text-align: center;
  transition: background 300ms var(--ease-apple), color 300ms var(--ease-apple);
}
.lab-calc-type-toggle button[aria-pressed="true"] {
  background: var(--bg);
  color: var(--ink);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Deslizador tipo iOS — la parte rellena la calcula lab-tools.js en
   --range-fill (Chrome/Safari no dividen la pista automáticamente;
   Firefox sí, vía ::-moz-range-progress). */
.lab-calc-field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--accent) var(--range-fill, 50%), var(--line-strong) 0);
  outline: none;
  margin: 0.6rem 0;
}
.lab-calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}
.lab-calc-field input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}
.lab-calc-field input[type="range"]::-moz-range-track { height: 4px; border-radius: 999px; background: var(--line-strong); }
.lab-calc-field input[type="range"]::-moz-range-progress { height: 4px; border-radius: 999px; background: var(--accent); }

.lab-calc-extras { display: flex; flex-direction: column; gap: 0.6rem; }
.lab-calc-extra {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--ink);
  padding: 0.65rem 0.8rem;
  border: none;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  transition: background 300ms var(--ease-apple);
}
.lab-calc-extra:hover { background: var(--line); }
.lab-calc-extra span { flex: 1; }
.lab-calc-extra b { font-weight: 600; color: var(--ink-mute); font-size: 0.85rem; white-space: nowrap; }

/* Casilla tipo iOS: cuadrado, radio 6px, check animado al marcar */
.lab-calc-extra input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 6px;
  background: var(--line);
  position: relative;
  cursor: pointer;
  transition: background 300ms var(--ease-apple);
}
.lab-calc-extra input[type="checkbox"]:checked { background: var(--accent); }
.lab-calc-extra input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border: solid #FFFFFF;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  animation: labCheckPop 300ms var(--ease-apple) forwards;
}
@keyframes labCheckPop { to { transform: rotate(45deg) scale(1); } }

.lab-calc-result {
  border: none;
  border-radius: 28px;
  background: var(--bg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.10);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  text-align: center;
  position: sticky;
  top: 6rem;
}
.lab-calc-price {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 4rem; /* 64px */
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.lab-calc-caption {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--ink-mute);
  margin-bottom: 1.6rem;
}

/* =============================================================
   10f. Laboratorio — comparador plantilla vs a medida
   ============================================================= */
.lab-compare-block { max-width: 900px; margin-inline: auto; }
.compare-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  max-height: 460px;
  border: none;
  border-radius: 28px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.10);
  overflow: hidden;
  --compare-pos: 50%;
}
.compare-layer { position: absolute; inset: 0; }
.compare-before { clip-path: inset(0 calc(100% - var(--compare-pos)) 0 0); }
.compare-divider {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--compare-pos);
  width: 2px;
  background: rgba(255, 255, 255, 0.8);
  transform: translateX(-1px);
  pointer-events: none;
  z-index: 2;
}
.compare-divider::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  background: #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.compare-divider::after {
  content: "❮ ❯";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
}
.compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 3;
  -webkit-appearance: none;
  appearance: none;
}
.compare-label {
  position: absolute;
  top: 0.8rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  pointer-events: none;
  z-index: 2;
}
.compare-label-before { left: 0.8rem; }
.compare-label-after { right: 0.8rem; }

.compare-mock { width: 100%; height: 100%; overflow: hidden; }

/* Genérica de plantilla — deliberadamente sosa y recargada */
.compare-mock.is-generic {
  background: #FFEB3B;
  font-family: "Times New Roman", serif;
}
.compare-mock.is-generic .compare-mock-nav {
  background: #FF0000;
  color: #FFFFFF;
  font-weight: 700;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.9rem;
  text-shadow: 1px 1px 0 #000;
  border-bottom: 4px solid #0000FF;
}
.compare-mock.is-generic .compare-mock-hero {
  text-align: center;
  padding: 1.2rem 1rem;
}
.compare-mock.is-generic .compare-mock-hero h4 {
  font-family: "Times New Roman", serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #0000CC;
  text-shadow: 1px 1px 0 #FFFFFF, 2px 2px 0 #FF0000;
  margin-bottom: 0.6rem;
}
.compare-mock.is-generic .compare-mock-hero p {
  font-family: "Comic Sans MS", cursive;
  color: #CC00CC;
  font-size: 0.85rem;
  margin-bottom: 0.9rem;
}
.compare-mock.is-generic .compare-mock-hero button {
  background: #00FF00;
  border: 3px solid #000000;
  box-shadow: 3px 3px 0 #FF0000, 6px 6px 0 #0000FF;
  padding: 0.5rem 1rem;
  font-weight: 700;
  font-family: "Times New Roman", serif;
  font-size: 0.85rem;
}
.compare-mock.is-generic .compare-mock-features {
  display: flex;
  gap: 0.3rem;
  padding: 0.8rem;
}
.compare-mock.is-generic .compare-mock-features div {
  flex: 1;
  font-family: "Comic Sans MS", cursive;
  font-size: 0.68rem;
  font-weight: 700;
  text-align: center;
  padding: 0.5rem 0.2rem;
  border: 2px dashed #FF6600;
}
.compare-mock.is-generic .compare-mock-features div:nth-child(1) { background: #FF9999; color: #000066; }
.compare-mock.is-generic .compare-mock-features div:nth-child(2) { background: #99FF99; color: #660000; }
.compare-mock.is-generic .compare-mock-features div:nth-child(3) { background: #99CCFF; color: #660066; }

/* A medida — cuidada y coherente */
.compare-mock.is-custom {
  background: #FAFAF8;
  font-family: "Inter", sans-serif;
}
.compare-mock.is-custom .compare-mock-nav {
  padding: 0.9rem 1.2rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: #1A1A1A;
  border-bottom: 1px solid rgba(26,26,26,0.1);
}
.compare-mock.is-custom .compare-mock-hero {
  padding: clamp(1.5rem, 4vw, 2.5rem) 1.2rem 1.2rem;
}
.compare-mock.is-custom .compare-mock-hero h4 {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: #1A1A1A;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.compare-mock.is-custom .compare-mock-hero p {
  font-family: "Inter", sans-serif;
  color: rgba(26,26,26,0.62);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
}
.compare-mock.is-custom .compare-mock-hero button {
  background: #1A1A1A;
  color: #FAFAF8;
  border: none;
  padding: 0.6rem 1.2rem;
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
}
.compare-mock.is-custom .compare-mock-features {
  display: flex;
  gap: 1px;
  background: rgba(26,26,26,0.1);
  margin-top: 0.5rem;
}
.compare-mock.is-custom .compare-mock-features div {
  flex: 1;
  background: #FAFAF8;
  font-family: "Inter", sans-serif;
  font-size: 0.76rem;
  color: rgba(26,26,26,0.7);
  text-align: center;
  padding: 0.9rem 0.5rem;
}

@media (prefers-reduced-motion: reduce) {
  .compare-before { transition: none; }
}

/* =============================================================
   11. Cómo trabajo
   ============================================================= */
.process-list { border-bottom: 1px solid var(--line); }
.process-row {
  display: grid;
  grid-template-columns: 40px minmax(200px, 380px) 1fr;
  align-items: baseline;
  column-gap: clamp(1rem, 3vw, 2.2rem);
  row-gap: 0.35rem;
  padding-block: clamp(1.4rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
  transition: background var(--fast) linear;
}
.process-row:hover { background: var(--surface); }
.process-num { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-mute); }
.process-title { font-size: clamp(1.1rem, 2.2vw, 1.5rem); font-weight: 700; }
.process-desc { grid-column: 3; font-family: var(--mono); font-size: 0.86rem; color: var(--ink-mute); max-width: 46ch; }
/* Fase 4: qué recibe/aporta el cliente en cada fase — misma columna que la
   descripción, una línea discreta debajo. */
.process-meta { grid-column: 3; font-family: var(--mono); font-size: 0.78rem; color: var(--ink-mute); max-width: 46ch; }
.process-meta strong { color: var(--ink); font-weight: 600; }
@media (max-width: 760px) {
  .process-row { grid-template-columns: 28px 1fr; row-gap: 0.5rem; }
  .process-desc, .process-meta { grid-column: 2 / -1; }
}

/* =============================================================
   12. Precios — panel tipo terminal output
   ============================================================= */
.price-panel {
  /* Dentro de #precios (.section-dark), --ink/--ink-mute/--line se
     redefinen en blanco para el texto que va DIRECTAMENTE sobre el fondo
     negro de la sección — pero este panel es una superficie clara anidada
     dentro de esa sección oscura, así que necesita sus propios valores
     oscuros o el texto queda blanco sobre un panel casi blanco (bug real:
     "Landing de una página" etc. resultaban invisibles). */
  --ink: #1D1D1F;
  --ink-mute: #6E6E73;
  --line: rgba(0, 0, 0, 0.06);
  --line-strong: rgba(0, 0, 0, 0.1);
  --accent: #006CDA; /* --accent de .section-dark (#2997FF) da 2.77:1 aquí — este pasa 4.64:1 */
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.price-panel-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.price-panel-head .dot { width: 7px; height: 7px; background: var(--accent); }
.price-table { padding-inline: 1rem; }
.price-row {
  display: grid;
  grid-template-columns: minmax(170px, 300px) 1fr auto;
  align-items: baseline;
  column-gap: clamp(1rem, 3vw, 2.2rem);
  padding-block: clamp(1rem, 2vw, 1.4rem);
  border-top: 1px solid var(--line);
}
.price-table .price-row:first-child { border-top: none; }
.price-name {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: var(--ink);
}
.price-name em { font-style: normal; color: var(--accent); font-weight: 600; }
.price-desc {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-mute);
}
.price-value {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--ink);
  white-space: nowrap;
}
/* 0.06 de opacidad dejaba el texto de la fila justo por debajo de 4.5:1
   (el tinte azul reduce el contraste tanto del --accent como del --ink-mute
   que ya usa esta fila) */
.price-row.is-highlight { background: rgba(59,130,246,0.02); }
.price-row.is-highlight .price-value { color: var(--accent); }
@media (max-width: 760px) {
  .price-row { grid-template-columns: 1fr; row-gap: 0.4rem; }
}

.maintenance { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.maintenance-kicker { margin-bottom: 1.2rem; display: inline-flex; }

.pricing-note {
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-mute);
}

/* =============================================================
   12b. FAQ — acordeón
   ============================================================= */
.faq-list { max-width: 760px; margin-inline: auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q-wrap { font-weight: inherit; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding-block: clamp(1.2rem, 2.6vw, 1.6rem);
  text-align: left;
  font-family: var(--sans);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 600;
  color: var(--ink);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color var(--fast) linear;
}
.faq-question:hover { color: var(--accent); }
.faq-chevron {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  color: var(--ink-mute);
  transition: transform 300ms var(--ease-apple);
}
.faq-item.is-open .faq-chevron { transform: rotate(180deg); }
/* Truco de grid-template-rows 0fr -> 1fr: anima la altura del contenido sin
   necesitar medirla por JS, y sin el salto brusco de max-height. */
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 350ms var(--ease-apple);
}
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-answer-inner { overflow: hidden; }
.faq-answer-inner p {
  padding-bottom: clamp(1.2rem, 2.6vw, 1.6rem);
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-mute);
}
@media (prefers-reduced-motion: reduce) {
  .faq-answer, .faq-chevron { transition: none; }
}

/* =============================================================
   13. Contacto
   ============================================================= */
.contact-wrap {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contact-wrap { grid-template-columns: 0.8fr 1.2fr; }
}
.contact-info h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); margin: 1rem 0 1.1rem; }
.contact-info p { color: var(--ink-mute); max-width: 42ch; margin-bottom: 1.5rem; font-size: 0.9rem; }
.contact-email { color: var(--accent-text); }

.form-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .field.full { grid-column: 1 / -1; }
}
.field label {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-mute);
  margin-bottom: 0.6rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: -0.011em;
  transition: border-color var(--fast) linear, background var(--fast) linear;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-2);
}
.field textarea { min-height: 100px; resize: vertical; }
.field select { appearance: none; cursor: pointer; }

.form-submit { margin-top: 0.4rem; }
.form-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--ink-mute);
}
.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-success { color: var(--accent); }
.form-status.is-error { color: var(--danger); }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* =============================================================
   14. Footer
   ============================================================= */
.footer {
  position: relative;
  padding-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
  overflow: clip;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 2.2rem;
  justify-content: space-between;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.footer-col .kicker { display: inline-flex; margin-bottom: 0.7rem; }
.footer-col a, .footer-col p { font-size: 0.9rem; color: var(--ink-mute); }
.footer-time { font-size: 0.84rem; }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.8rem;
  color: var(--ink-mute);
}
.footer-legal a { font-size: inherit; transition: color var(--fast) linear; }
.footer-legal a:hover { color: var(--accent); }
.footer-wordmark {
  font-family: var(--mono);
  font-weight: 800;
  font-size: clamp(4.5rem, 17vw, 12rem);
  line-height: 0.8;
  color: var(--surface-2);
  -webkit-text-stroke: 1px var(--line-strong);
  white-space: nowrap;
  padding-inline: var(--gutter);
}

/* =============================================================
   14b. WhatsApp flotante
   ============================================================= */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: max(1.25rem, env(safe-area-inset-bottom) + 0.75rem);
  z-index: 60;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg); /* en oscuro se sobrescribe a --surface más abajo, para distinguirse del fondo negro */
  box-shadow: var(--shadow-soft);
  color: #25D366;
  opacity: 0;
  transform: translateY(14px) scale(0.92);
  pointer-events: none;
  transition: opacity 320ms var(--ease-apple), transform 320ms var(--ease-apple), box-shadow 200ms var(--ease-apple), background-color 400ms var(--ease-apple);
}
.whatsapp-float svg { width: 30px; height: 30px; }
.whatsapp-float.is-visible { opacity: 1; transform: none; pointer-events: auto; }
/* Se atenúa cerca del formulario de contacto para no tapar el botón de
   envío en móvil, donde ambos comparten la misma esquina inferior. */
.whatsapp-float.is-near-form { opacity: 0; pointer-events: none; }
.whatsapp-float:hover { box-shadow: 0 34px 64px -18px rgba(0,0,0,0.22); }
.whatsapp-float:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (max-width: 720px) {
  .whatsapp-float { right: 1rem; bottom: max(1rem, env(safe-area-inset-bottom) + 0.6rem); width: 52px; height: 52px; }
  .whatsapp-float svg { width: 27px; height: 27px; }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { transition: opacity 150ms linear; }
}

/* =============================================================
   15. Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .reveal { transition-duration: .01s; }
  .lab-panel,
  .lab-device,
  .lab-reservas-confirm,
  .compare-before,
  .tcursor { transition: none !important; animation: none !important; }
  /* Fase 6: --ls-duration/--ls-easing alimentan decenas de transiciones
     repartidas por las ocho demos y los doce estilos (botones, campos,
     pestañas, tarjetas...). En vez de listarlas todas aquí, se anula el
     token una sola vez — al ser una custom property, la reducción llega
     por herencia a cualquier descendiente de .lab-panel, incluida una
     combinación generada al azar con --ls-duration puesto en línea. */
  .lab-panel { --ls-duration: 0.01s !important; }
}

/* =============================================================
   16. Laboratorio — objetivos táctiles en móvil
   ============================================================= */
@media (max-width: 720px) {
  .lab-tab,
  .lab-style-btn,
  .lab-cat-btn,
  .lab-lang-toggle button,
  .lab-calc-type-toggle button,
  .lab-viewport-toggle button,
  .lab-allergen-filter summary,
  .lab-slot-btn,
  .lab-cal-cell,
  .lab-toolbar-btn,
  .lab-period-toggle button,
  .lab-variant-row button,
  .lab-product-buy,
  .lab-chat-quick button,
  .lab-favorite-chip button,
  .nav-cta,
  .btn {
    min-height: 44px;
  }
  .lab-tab,
  .lab-style-btn,
  .lab-cat-btn,
  .lab-toolbar-btn,
  .lab-favorite-chip button {
    display: inline-flex;
    align-items: center;
  }
  .lab-favorite-chip button { min-width: 44px; justify-content: center; }
}

/* =============================================================
   17. Fase 3 — páginas legales
   ============================================================= */
.legal-page {
  padding-block: clamp(6.5rem, 12vw, 8.5rem) clamp(4rem, 8vw, 6rem);
}
.legal-content {
  max-width: 680px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.legal-content h1 {
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin-bottom: 0.6rem;
}
.legal-updated {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-mute);
  margin-bottom: 2.6rem;
}
.legal-content h2 {
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  margin-top: 2.4rem;
  margin-bottom: 0.8rem;
}
.legal-content p,
.legal-content li {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ink-mute);
}
.legal-content p { margin-bottom: 1rem; }
.legal-content ul { padding-left: 1.3rem; margin-bottom: 1rem; }
.legal-content li { margin-bottom: 0.4rem; }
.legal-content strong { color: var(--ink); font-weight: 600; }
.legal-content a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 2px; }
/* Marca visualmente los datos que faltan por rellenar (NIF, dirección...)
   para que salten a la vista al revisar la página antes de publicar. */
.legal-placeholder {
  color: var(--danger);
  background: rgba(215, 0, 21, 0.08);
  padding: 0.05em 0.4em;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.9em;
  white-space: nowrap;
}
.legal-review-note {
  margin-top: 3rem;
  padding: 1rem 1.2rem;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-mute);
}

/* =============================================================
   18. Fase 3 — banner de cookies
   ============================================================= */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  max-width: 640px;
  margin-inline: auto;
  z-index: 70;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 1.1rem 1.3rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 320ms var(--ease-apple), transform 320ms var(--ease-apple), visibility 0s linear 320ms, background-color 400ms var(--ease-apple), border-color 400ms var(--ease-apple);
}
.cookie-banner.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  transition: opacity 320ms var(--ease-apple), transform 320ms var(--ease-apple), background-color 400ms var(--ease-apple), border-color 400ms var(--ease-apple);
}
.cookie-banner p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--ink-mute);
}
.cookie-banner a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 2px; }
.cookie-banner-actions { display: flex; gap: 0.6rem; flex: 0 0 auto; }
/* Mismo peso visual en los dos botones a propósito — ninguno de los dos
   se trata como acción "secundaria" u oculta. */
.cookie-btn {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  min-height: 44px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  transition: background var(--fast) linear, border-color var(--fast) linear;
}
.cookie-btn:hover { background: var(--surface); border-color: var(--ink-mute); }
.cookie-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 600px) {
  .cookie-banner { left: 0.75rem; right: 0.75rem; bottom: 0.75rem; flex-direction: column; align-items: stretch; }
  .cookie-banner-actions { justify-content: stretch; }
  .cookie-btn { flex: 1; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  .cookie-banner { transition: opacity 150ms linear, visibility 0s linear 150ms; }
  .cookie-banner.is-visible { transition: opacity 150ms linear; }
}

/* =============================================================
   19. Fase 5 — testimonios (preparada, oculta hasta rellenar)
   ============================================================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.2rem, 3vw, 2rem);
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  background: var(--bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.6rem, 3vw, 2.2rem);
}
.testimonial-quote {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}
.testimonial-person {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: auto;
}
.testimonial-avatar {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.testimonial-name { font-size: 0.92rem; font-weight: 600; color: var(--ink); }
.testimonial-business { font-size: 0.82rem; color: var(--ink-mute); }

/* =============================================================
   20. Fase 6 — modo oscuro
   El atributo data-theme lo fija un script inline en <head> (antes del
   primer pintado, para no parpadear) según localStorage o, si no hay
   preferencia guardada, prefers-color-scheme. main.js solo gestiona el
   interruptor y el clic.
   ============================================================= */
:root[data-theme="dark"] {
  --bg:        #000000;
  --bg-alt:    #1D1D1F;
  --bg-dark:   #000000;
  --surface:   #1D1D1F;
  --surface-2: #2C2C2E;

  --ink:            #F5F5F7;
  --ink-mute:       #86868B;
  --ink-mute-large: #86868B;
  --ink-dim:        #86868B;
  --line:           rgba(255,255,255,0.14);
  --line-strong:    rgba(255,255,255,0.22);

  --accent:       #2997FF;
  --accent-hover: #52ADFF;
  --accent-text:  #2997FF;
  --accent-dim:   rgba(41,151,255,0.28);
  --danger:       #FF453A;
}

/* Transición suave al cambiar de modo — solo en elementos sin transition
   propio ya definido (los que ya tenían una, se les añadió arriba en su
   propia regla; declarar dos veces "transition" en selectores distintos
   con la misma especificidad no se suma, se sustituye por completo). */
body, .section, .nav, .footer, .mobile-nav-menu {
  transition: background-color 400ms var(--ease-apple), color 400ms var(--ease-apple), border-color 400ms var(--ease-apple);
}
@media (prefers-reduced-motion: reduce) {
  body, .section, .nav, .footer, .mobile-nav-menu { transition: none; }
}

/* Fondos traslúcidos del nav: se fijaron en blanco durante el rediseño
   Apple porque entonces el sitio solo tenía modo claro. */
[data-theme="dark"] .nav { background: rgba(0,0,0,0.72); }
[data-theme="dark"] .mobile-nav-menu { background: rgba(0,0,0,0.92); }
[data-theme="dark"] .nav-link { color: rgba(245,245,247,0.88); }

/* Textos de controles del envoltorio del Laboratorio (pestañas, píldoras
   de estilo, barra de herramientas, selectores) que se dejaron en un gris
   literal muy afinado para pasar AA en claro — en oscuro, --ink-mute ya
   pasa AA de sobra sobre estos mismos fondos (ahora oscuros). */
[data-theme="dark"] .lab-tab:not([aria-selected="true"]),
[data-theme="dark"] .lab-style-btn:not([aria-pressed="true"]),
[data-theme="dark"] .lab-toolbar-btn:not([aria-pressed="true"]),
[data-theme="dark"] .lab-viewport-toggle button:not([aria-pressed="true"]),
[data-theme="dark"] .lab-calc-type-toggle button:not([aria-pressed="true"]) {
  color: var(--ink-mute);
}
[data-theme="dark"] .lab-device-url { color: var(--ink-mute); }

/* Tarjetas que necesitan "destacar" sobre su sección: en claro es blanco
   puro sobre gris; en oscuro, un tono de superficie elevado sobre negro. */
[data-theme="dark"] .section-alt .service-row { background: var(--surface-2); }

/* Círculo del botón de WhatsApp: blanco sobre la página en claro, superficie
   oscura elevada (no negro puro) en oscuro, para que se distinga del fondo. */
[data-theme="dark"] .whatsapp-float { background: var(--surface); }

/* El tinte rojo del placeholder legal se recalcula con el rojo de oscuro
   (--danger ya cambia solo; aquí solo se ajusta el tinte de fondo). */
[data-theme="dark"] .legal-placeholder { background: rgba(255,69,58,0.16); }

/* ---------- Interruptor claro/oscuro, estilo iOS ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  margin-inline: 0.2rem;
  flex: none;
}
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 999px; }
.theme-toggle-track {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.12);
  transition: background 250ms var(--ease-apple);
}
[data-theme="dark"] .theme-toggle-track { background: rgba(255, 255, 255, 0.24); }
.theme-toggle[aria-checked="true"] .theme-toggle-track { background: var(--accent); }
.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
  transition: transform 250ms var(--ease-apple);
}
.theme-toggle[aria-checked="true"] .theme-toggle-thumb { transform: translateX(18px); }
@media (prefers-reduced-motion: reduce) {
  .theme-toggle-track, .theme-toggle-thumb { transition: none; }
}