/* =====================================================================
   XHANTLI · Minicasas — hoja de estilos
   Mobile-first. Breakpoints: 640 · 768 · 1024 · 1280
   ---------------------------------------------------------------------
   1. Tokens            8. Galería           15. Contacto / formulario
   2. Base              9. Video             16. Footer
   3. Utilidades       10. Proceso           17. Flotantes (WhatsApp, cursor)
   4. Botones          11. Beneficios        18. Diálogos (modelo, lightbox)
   5. Header / menú    12. Ficha técnica     19. Animaciones de entrada
   6. Hero                                   20. Movimiento reducido
   7. Nosotros/Modelos 14. CTA final
   ===================================================================== */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Paleta: neutros cálidos + un solo acento (pátina turquesa del logo) */
  --paper: #F3F1EC;        /* blanco roto */
  --paper-2: #E9E5DD;      /* hueso */
  --white: #FFFFFF;
  --ink: #0F1211;          /* negro */
  --charcoal: #171B1A;     /* carbón */
  --graphite: #2B302E;
  --stone: #62675F;        /* gris texto secundario (AA sobre --paper) */
  --stone-light: #9CA29E;  /* gris sobre fondos oscuros */
  --line: rgba(15, 18, 17, .12);
  --line-strong: rgba(15, 18, 17, .28);
  --line-dark: rgba(243, 241, 236, .14);

  --accent: #3F8F86;       /* pátina (decorativo) */
  --accent-deep: #2B6A63;  /* acento para texto sobre claro */
  --accent-soft: #8FD1C5;  /* acento sobre oscuro */
  --error: #A63D2A;

  /* Tipografía */
  --font: "Archivo", "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Espaciado y medidas */
  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1320px;
  --header-h: 68px;
  --section-y: clamp(88px, 12vw, 176px);

  /* Movimiento */
  --ease: cubic-bezier(.16, 1, .3, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
}

@media (min-width: 1024px) {
  :root { --header-h: 84px; }
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
@supports (overflow-x: clip) { body { overflow-x: clip; } }

/* Grano de papel muy sutil sobre toda la página */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 70;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.1 -.3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
p { text-wrap: pretty; }
strong { font-weight: 600; }
::selection { background: var(--accent-soft); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.section--dark :focus-visible, .hero :focus-visible, .cta :focus-visible,
.footer :focus-visible, .mmenu :focus-visible, .lightbox :focus-visible { outline-color: var(--accent-soft); }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 500;
  transform: translateY(-160%);
  transition: transform .3s var(--ease);
}
.skip-link:focus { transform: none; }

/* ---------- 3. UTILIDADES ---------- */
.container {
  width: 100%;
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); position: relative; }
.section--dark { background: var(--ink); color: var(--paper); }

/* Texto que solo aparece desde 480 px (acorta rótulos en móvil) */
.hide-sm { display: none; }
@media (min-width: 480px) { .hide-sm { display: inline; } }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Rótulo de sección: "01 —— Nosotros" */
.kicker {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: clamp(1.25rem, 3vw, 2.25rem);
  font: 500 .75rem/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--stone);
}
.kicker__num { color: var(--accent-deep); }
.kicker__rule { width: 40px; height: 1px; background: currentColor; opacity: .55; }
.kicker--light { color: var(--stone-light); }
.kicker--light .kicker__num { color: var(--accent-soft); }

/* Titulares */
.display {
  font-family: var(--font);
  font-weight: 300;
  font-stretch: 104%;
  font-size: clamp(2.35rem, 1.25rem + 4.9vw, 5.5rem);
  line-height: 1;
  letter-spacing: -.035em;
  text-wrap: balance;
}
.display--md { font-size: clamp(2.2rem, 1.35rem + 3.3vw, 4.25rem); }
.display--xl { font-size: clamp(2.6rem, 1rem + 6.6vw, 7.25rem); line-height: .98; }

.lead {
  font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem);
  line-height: 1.45;
  font-weight: 350;
  letter-spacing: -.01em;
}

/* Etiqueta "Diseño / Obra real" */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--stone);
}
.tag__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.tag__dot--design { background: transparent; box-shadow: inset 0 0 0 1px currentColor; }
.tag--light { color: var(--ink); background: var(--paper); padding: .6rem .75rem; }
.tag--dark { color: var(--stone-light); }
.tag--dark .tag__dot { background: var(--accent-soft); }
.tag--dark .tag__dot--design { background: transparent; box-shadow: inset 0 0 0 1px var(--paper); }

/* Enlace con flecha */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 500;
  padding-bottom: .35rem;
  background: linear-gradient(currentColor, currentColor) no-repeat left bottom / 100% 1px;
  transition: background-size .5s var(--ease);
}
.link-arrow svg { width: 18px; height: 18px; transition: transform .5s var(--ease); }
.link-arrow:hover { background-size: 35% 1px; }
.link-arrow:hover svg { transform: translateX(5px); }

/* Marcadores de contenido pendiente */
.is-ph, .is-placeholder [data-cfg-text] {
  font-family: var(--mono);
  font-size: .82em;
  letter-spacing: .03em;
  color: var(--accent-deep);
}

/* Botón redondo (flechas de sliders) */
.round-btn {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s, transform .4s var(--ease), opacity .3s;
}
.round-btn svg { width: 20px; height: 20px; transition: transform .45s var(--ease); }
.round-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.round-btn:hover svg { transform: translateX(2px); }
.round-btn[data-rail-prev]:hover svg { transform: translateX(-2px); }
.round-btn:disabled { opacity: .3; pointer-events: none; }

/* ---------- 4. BOTONES ---------- */
.btn {
  --btn-hover-bg: var(--ink);
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 54px;
  padding: 0 1.6rem;
  border: 1px solid transparent;
  font: 500 .9375rem/1.1 var(--font);
  letter-spacing: .005em;
  white-space: nowrap;
  overflow: hidden;
  transition: color .5s var(--ease), border-color .5s var(--ease), background-color .5s var(--ease), transform .6s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background: var(--btn-hover-bg);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform .55s var(--ease);
}
.btn:hover::before { transform: scaleY(1); }
.btn__icon { width: 18px; height: 18px; flex: none; transition: transform .5s var(--ease); }
.btn:hover .btn__icon:not(.btn__icon--lead) { transform: translateX(5px); }
.btn__icon--lead { width: 20px; height: 20px; }
.btn--block { width: 100%; }

.btn--primary { background: var(--ink); color: var(--paper); --btn-hover-bg: var(--accent-deep); }
.btn--light { background: var(--paper); color: var(--ink); --btn-hover-bg: var(--accent-soft); }
.btn--ghost { border-color: var(--line-strong); color: var(--ink); --btn-hover-bg: var(--ink); }
.btn--ghost:hover { color: var(--paper); border-color: var(--ink); }
.btn--ghost-light { border-color: rgba(255, 255, 255, .45); color: var(--white); --btn-hover-bg: var(--paper); }
.btn--ghost-light:hover { color: var(--ink); border-color: var(--paper); }

/* ---------- 5. HEADER Y MENÚ ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  color: var(--white);
  transition: background-color .5s var(--ease), color .5s var(--ease), box-shadow .5s var(--ease), transform .9s var(--ease);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-h);
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
  transition: height .5s var(--ease);
}
.header.is-scrolled {
  color: var(--ink);
  background: rgba(243, 241, 236, .8);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line), 0 12px 32px -18px rgba(15, 18, 17, .35);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .header.is-scrolled { background: rgba(243, 241, 236, .97); }
}
.header.is-scrolled .header__inner { height: calc(var(--header-h) - 12px); }
.header.menu-open { color: var(--paper); background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }

.brand { display: flex; align-items: center; gap: .85rem; margin-right: auto; min-height: 44px; }
.brand__mark { width: 104px; height: 15px; --wm-accent: var(--accent-soft); transition: color .5s; }
.header.is-scrolled:not(.menu-open) .brand__mark { --wm-accent: var(--accent); }
.brand__sub {
  padding-left: .85rem;
  border-left: 1px solid currentColor;
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .75;
}

.nav { display: none; }
.nav__list { display: flex; gap: clamp(1.25rem, 2.4vw, 2.5rem); }
.nav__link {
  position: relative;
  display: inline-block;
  padding: .5rem 0;
  font-size: .9375rem;
  font-weight: 450;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .2rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .5s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }

.btn--header {
  display: none;
  min-height: 44px;
  padding: 0 1.1rem;
  font-size: .875rem;
  border-color: rgba(255, 255, 255, .45);
  color: inherit;
  --btn-hover-bg: var(--paper);
}
.btn--header:hover { color: var(--ink); border-color: var(--paper); }
.header.is-scrolled .btn--header { background: var(--ink); color: var(--paper); border-color: var(--ink); --btn-hover-bg: var(--accent-deep); }
.header.is-scrolled .btn--header:hover { border-color: var(--accent-deep); color: var(--paper); }

.burger {
  position: relative;
  display: grid;
  place-content: center;
  gap: 7px;
  width: 48px;
  height: 48px;
  margin-right: -10px;
}
.burger__line {
  display: block;
  width: 24px;
  height: 1.5px;
  background: currentColor;
  transition: transform .6s var(--ease), width .4s var(--ease);
}
.burger__line:last-child { width: 16px; justify-self: end; }
.burger[aria-expanded="true"] .burger__line:first-child { transform: translateY(4.25px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__line:last-child { width: 24px; transform: translateY(-4.25px) rotate(-45deg); }

.mmenu {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: calc(var(--header-h) + 3vh) var(--gutter) calc(24px + env(safe-area-inset-bottom));
  background: var(--ink);
  color: var(--paper);
  overflow-y: auto;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .75s var(--ease-io);
}
.mmenu.is-open { clip-path: inset(0 0 0 0); }
.mmenu[hidden] { display: none; }
.mmenu__list { border-top: 1px solid var(--line-dark); }
.mmenu__list li { border-bottom: 1px solid var(--line-dark); overflow: hidden; }
.mmenu__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  font-size: clamp(2rem, 9vw, 3rem);
  font-weight: 300;
  letter-spacing: -.03em;
  line-height: 1.1;
  transform: translateY(100%);
  opacity: 0;
  transition: transform .8s var(--ease), opacity .6s var(--ease), color .3s;
}
.mmenu.is-open .mmenu__link { transform: none; opacity: 1; }
.mmenu.is-open li:nth-child(1) .mmenu__link { transition-delay: .18s; }
.mmenu.is-open li:nth-child(2) .mmenu__link { transition-delay: .24s; }
.mmenu.is-open li:nth-child(3) .mmenu__link { transition-delay: .30s; }
.mmenu.is-open li:nth-child(4) .mmenu__link { transition-delay: .36s; }
.mmenu.is-open li:nth-child(5) .mmenu__link { transition-delay: .42s; }
.mmenu__link:active, .mmenu__link:hover { color: var(--accent-soft); }
.mmenu__num { font: 500 .75rem var(--mono); letter-spacing: .12em; color: var(--accent-soft); }
.mmenu__foot {
  display: grid;
  gap: .75rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--ease) .45s, transform .8s var(--ease) .45s;
}
.mmenu.is-open .mmenu__foot { opacity: 1; transform: none; }
.mmenu__meta { margin-top: .75rem; font: .75rem/1.6 var(--mono); letter-spacing: .06em; color: var(--stone-light); }

@media (min-width: 640px) {
  .btn--header { display: inline-flex; }
}
@media (min-width: 1024px) {
  .nav { display: block; }
  .burger, .mmenu { display: none !important; }
  .brand__mark { width: 118px; height: 17px; }
}

/* ---------- 6. HERO ---------- */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 600px;
  max-height: 1200px;
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
  isolation: isolate;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  will-change: transform;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 45%;
}
.js .hero__img { transform: scale(1.09); transition: transform 3.2s var(--ease); }
.js .is-loaded .hero__img { transform: scale(1.0); }
.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 12, 11, .55) 0%, rgba(10, 12, 11, 0) 22%),
    linear-gradient(0deg, rgba(10, 12, 11, .9) 0%, rgba(10, 12, 11, .55) 32%, rgba(10, 12, 11, 0) 62%),
    radial-gradient(120% 70% at 0% 100%, rgba(10, 12, 11, .45), transparent 60%);
}
.hero__content {
  position: absolute;
  left: 0; right: 0;
  bottom: calc(64px + clamp(24px, 5vh, 56px));
  margin-inline: auto;
}
.hero__title {
  font-weight: 300;
  font-stretch: 100%;
  font-size: clamp(2.1rem, min(12vw, 13vh), 8rem); /* grande en móvil sin desbordar en pantallas bajas */
  line-height: .98;
  letter-spacing: -.045em;
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: .7rem;
  width: fit-content;
  margin-bottom: clamp(1rem, 3vh, 1.75rem);
  padding: .6rem .85rem;
  background: rgba(10, 12, 11, .38);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font: 500 .6875rem/1.3 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .92);
}
.hero__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-soft); flex: none; }
.hero__line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.hero__line > span { display: inline-block; }

.hero__bottom {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(1.25rem, 3.5vh, 2.5rem);
}
.hero__lead {
  max-width: 34ch;
  font-size: clamp(1rem, .92rem + .35vw, 1.2rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, .86);
}
.hero__actions { display: grid; gap: .75rem; }
.hero__actions .btn { width: 100%; }

.hero__foot {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  margin-inline: auto;
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
}
.hero__foot::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter); right: var(--gutter);
  height: 1px;
  background: rgba(255, 255, 255, .2);
  transform-origin: left;
}
.hero__caption { display: none; }
.hero__coords { margin-right: 72px; } /* deja libre el botón flotante de WhatsApp */
.hero__coords-extra { display: none; }
@media (min-width: 1024px) { .hero__coords-extra { display: inline; } }
.scroll-cue { display: inline-flex; align-items: center; gap: .8rem; }
.scroll-cue__line {
  position: relative;
  width: 1px;
  height: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, .25);
}
.scroll-cue__line::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 1px;
  height: 100%;
  background: var(--white);
  animation: cue 2.4s var(--ease-io) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); }
  55% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* Coreografía de entrada del hero */
.js .header { transform: translateY(-100%); }
.js .is-loaded .header, .js.is-loaded .header { transform: none; }
.js .hero__eyebrow, .js .hero__bottom > *, .js .hero__foot > * { opacity: 0; transform: translateY(18px); }
.js .hero__line > span { transform: translateY(108%); }
.js .hero__foot::before { transform: scaleX(0); }
.hero__eyebrow, .hero__bottom > *, .hero__foot > *, .hero__line > span, .hero__foot::before {
  transition: opacity 1s var(--ease), transform 1.3s var(--ease);
}
.js .is-loaded .hero__eyebrow { opacity: 1; transform: none; transition-delay: .25s; }
.js .is-loaded .hero__line > span { transform: none; }
.js .is-loaded .hero__line:nth-of-type(2) > span { transition-delay: .38s; }
.js .is-loaded .hero__line:nth-of-type(3) > span { transition-delay: .5s; }
.js .is-loaded .hero__line:nth-of-type(4) > span { transition-delay: .62s; }
.js .is-loaded .hero__bottom > :first-child { opacity: 1; transform: none; transition-delay: .95s; }
.js .is-loaded .hero__bottom > :last-child { opacity: 1; transform: none; transition-delay: 1.1s; }
.js .is-loaded .hero__foot::before { transform: none; transition: transform 1.6s var(--ease-io) 1s; }
.js .is-loaded .hero__foot > * { opacity: 1; transform: none; transition-delay: 1.35s; }

@media (min-width: 480px) {
  .hero__actions { display: flex; flex-wrap: wrap; }
  .hero__actions .btn { width: auto; }
}
@media (min-width: 768px) {
  .hero__caption { display: inline; }
}
@media (min-width: 1024px) {
  .hero { min-height: 680px; }
  .hero__img { object-position: 50% 42%; }
  .hero__bottom {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 3rem;
  }
  .hero__content { bottom: calc(64px + clamp(32px, 6vh, 72px)); }
}

/* ---------- 7a. NOSOTROS ---------- */
.about__title { max-width: 13ch; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.about__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
}
.about__main {
  position: relative;
  grid-column: 1 / -1;
  grid-row: 1;
  margin-inline: calc(var(--gutter) * -1);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.about__main-frame { position: absolute; inset: -9% 0; }
.about__main-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 42% 50%; }
.about__inset {
  position: relative;
  z-index: 2;
  grid-column: 6 / -1;
  grid-row: 2;
  margin-top: -32%;
  border: 6px solid var(--paper);
  background: var(--paper);
}
.about__inset img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about__inset figcaption { position: absolute; left: 8px; bottom: 8px; right: 8px; font-size: .625rem; line-height: 1.35; }
.about__text {
  grid-column: 1 / -1;
  grid-row: 3;
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
  color: var(--graphite);
}
.about__text .lead { color: var(--ink); }
.about__text .link-arrow { justify-self: start; margin-top: .5rem; color: var(--ink); }

.facts {
  display: grid;
  margin-top: clamp(4rem, 10vw, 9rem);
  border-top: 1px solid var(--line);
}
.fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 1.25rem;
  align-items: end;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}
.fact__value {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  font-size: clamp(3.25rem, 2rem + 5vw, 6.5rem);
  font-weight: 200;
  font-stretch: 110%;
  line-height: .85;
  letter-spacing: -.05em;
}
.fact__value small {
  font: 500 .75rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.fact__label { font-size: .9375rem; line-height: 1.5; color: var(--stone); max-width: 30ch; }
.fact__unit { font-size: .45em; font-weight: 300; align-self: flex-start; margin-top: .1em; margin-right: -.15em; }

@media (min-width: 768px) {
  .about__main { aspect-ratio: 16 / 11; }
  .about__inset { grid-column: 8 / -1; margin-top: -24%; border-width: 8px; }
  .about__text { grid-column: 1 / 8; grid-row: 2; margin-top: 3rem; padding-right: 1rem; }
  .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 0; }
  .fact {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1.5rem;
    padding: 2rem 2rem 0 0;
    border-bottom: 0;
    border-top: 1px solid var(--line);
  }
  .fact + .fact { padding-left: 2rem; border-left: 1px solid var(--line); }
}
@media (min-width: 1024px) {
  .about__grid { column-gap: 24px; }
  .about__main { grid-column: 1 / 8; grid-row: 1; margin-inline: 0; aspect-ratio: 5 / 4; }
  .about__text { grid-column: 9 / -1; grid-row: 1; margin-top: 0; padding: 0; align-self: start; }
  .about__inset { grid-column: 6 / 9; grid-row: 1; align-self: end; margin: 0 0 -18% 0; border-width: 10px; }
}

/* Banda de conceptos en movimiento */
.marquee {
  overflow: hidden;
  padding: clamp(1.1rem, 2.5vw, 2rem) 0;
  background: var(--ink);
  color: var(--paper);
  border-block: 1px solid var(--line-dark);
}
.marquee__track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: clamp(1.25rem, 3vw, 2.75rem);
  animation: marquee 48s linear infinite;
}
.marquee.is-paused .marquee__track { animation-play-state: paused; }
.marquee span {
  font-size: clamp(1.9rem, 1.1rem + 3.2vw, 4.25rem);
  font-weight: 300;
  font-stretch: 112%;
  letter-spacing: -.03em;
  line-height: 1.1;
  white-space: nowrap;
}
.marquee span:nth-of-type(even) { color: transparent; -webkit-text-stroke: 1px rgba(243, 241, 236, .6); }
.marquee i {
  flex: none;
  width: .9em;
  height: .9em;
  font-size: clamp(1rem, .7rem + 1.2vw, 1.75rem);
  background: var(--accent-soft);
  clip-path: polygon(50% 8%, 100% 92%, 88% 92%, 50% 26%, 12% 92%, 0 92%);
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 7b. MODELOS (carril horizontal) ---------- */
.models { overflow: hidden; }
.models__head {
  display: grid;
  gap: 1.75rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.models__aside { display: grid; gap: 1.75rem; color: var(--stone); max-width: 44ch; }
.rail-ui { display: flex; align-items: center; gap: .75rem; }
.rail-ui__progress { position: relative; flex: 1; height: 1px; margin-left: .75rem; background: var(--line); overflow: hidden; }
.rail-ui__progress span {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 25%;
  background: var(--ink);
  transition: transform .35s var(--ease), width .35s var(--ease);
}

.rail {
  --card-w: min(84vw, 420px);
  display: flex;
  gap: clamp(12px, 1.6vw, 24px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2));
  scroll-padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2));
  -webkit-overflow-scrolling: touch;
}
.rail::-webkit-scrollbar { display: none; }
.rail img { -webkit-user-drag: none; user-select: none; }
.rail.is-dragging { scroll-snap-type: none; cursor: grabbing; user-select: none; }
.rail.is-dragging * { pointer-events: none; }
.rail:focus-visible { outline-offset: -2px; }

.model-card {
  position: relative;
  flex: 0 0 var(--card-w);
  aspect-ratio: 4 / 5;
  scroll-snap-align: start;
  overflow: hidden;
  background: var(--charcoal);
  color: var(--white);
  cursor: pointer;
}
.model-card__media { position: absolute; inset: 0; }
.model-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease), filter .8s var(--ease);
}
.model-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 11, 0) 30%, rgba(10, 12, 11, .5) 62%, rgba(10, 12, 11, .9) 100%);
  transition: opacity .7s var(--ease);
  pointer-events: none;
}
.model-card__info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: clamp(1.25rem, 2.2vw, 1.9rem);
}
.model-card__num {
  display: block;
  font: 500 .6875rem/1.3 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .75);
}
.model-card__title {
  margin: .55rem 0 .5rem;
  font-size: clamp(1.6rem, 1.25rem + 1vw, 2.2rem);
  font-weight: 350;
  line-height: 1.05;
  letter-spacing: -.025em;
}
/* Precio y medidas: siempre visibles, son el dato que más pesa al comparar */
.model-card__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .45rem;
  font-size: clamp(1.25rem, 1.05rem + .6vw, 1.55rem);
  font-weight: 400;
  letter-spacing: -.015em;
  line-height: 1.1;
}
.model-card__from, .model-card__cur {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-soft);
}
.model-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem .9rem;
  margin: .55rem 0 .35rem;
  font: 500 .6875rem/1.3 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
}
.model-card__specs > span + span::before { content: "·"; margin-right: .9rem; opacity: .6; }
.model-card__more { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .7s var(--ease), opacity .6s var(--ease); }
@media (max-width: 639px) { .model-card__more { display: none; } } /* en móvil manda el precio */
.model-card__desc { overflow: hidden; min-height: 0; font-size: .9375rem; line-height: 1.5; color: rgba(255, 255, 255, .82); }
.model-card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, .28);
  font-size: .9375rem;
  font-weight: 500;
  text-align: left;
  min-height: 44px;
}
.model-card__cta svg { width: 20px; height: 20px; transition: transform .6s var(--ease); }

@media (hover: hover) and (pointer: fine) {
  .model-card__more { grid-template-rows: 0fr; opacity: 0; }
  .model-card:hover .model-card__more, .model-card:focus-within .model-card__more { grid-template-rows: 1fr; opacity: 1; }
  .model-card:hover .model-card__media img { transform: scale(1.07); }
  .model-card:hover::after { opacity: 1.2; background: linear-gradient(180deg, rgba(10, 12, 11, .15) 0%, rgba(10, 12, 11, .55) 50%, rgba(10, 12, 11, .92) 100%); }
  .model-card:hover .model-card__cta svg { transform: translateX(8px); }
  .model-card__media { cursor: none; }
}


@media (min-width: 640px) { .rail { --card-w: min(56vw, 440px); } }
@media (min-width: 1024px) {
  .models__head { grid-template-columns: 1.1fr 1fr; align-items: end; }
  .models__aside { justify-self: end; }
  .rail { --card-w: clamp(340px, 29vw, 460px); }
}

/* Proyectos de inversión (varias unidades en un terreno) */
.invest {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(3.5rem, 8vw, 6.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}
.invest__media { position: relative; overflow: hidden; background: var(--paper-2); }
.invest__media img { width: 100%; aspect-ratio: 820 / 679; object-fit: cover; }
.invest__media figcaption { position: absolute; left: 10px; top: 10px; } /* abajo quedan las cotas del render */
.invest__body { display: flex; flex-direction: column; align-items: flex-start; }
.invest__body .kicker { margin-bottom: 1.25rem; }
.invest__title {
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.25rem);
  font-weight: 300;
  font-stretch: 104%;
  line-height: 1.02;
  letter-spacing: -.03em;
  text-wrap: balance;
  max-width: 14ch;
}
.invest__text { margin-top: 1.25rem; max-width: 44ch; color: var(--stone); }
.invest__actions { margin-top: 1.75rem; width: 100%; }
@media (max-width: 479px) { .invest__actions .btn { width: 100%; } }
@media (min-width: 900px) {
  .invest { grid-template-columns: 7fr 5fr; align-items: center; column-gap: clamp(2.5rem, 5vw, 5rem); }
}

/* ---------- 8. GALERÍA ---------- */
.gallery__head {
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.gallery__legend { display: flex; gap: 1.5rem; }

/* Móvil: rejilla de 2 columnas */
.gallery__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.g-row { display: contents; }
.g-item {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--charcoal);
  aspect-ratio: 4 / 5;
}
.g-item--w { grid-column: span 2; aspect-ratio: 4 / 3; }
.g-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease), opacity .6s var(--ease);
}
/* Etiqueta de tipo */
.g-item::before {
  content: attr(data-tag);
  position: absolute;
  left: 10px; top: 10px;
  z-index: 2;
  padding: .45rem .6rem;
  font: 500 .5625rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  background: rgba(243, 241, 236, .9);
}
.g-item[data-tag="Obra real"]::before { background: var(--accent-soft); }
/* Pie de foto (escritorio, al pasar el cursor) */
.g-item::after {
  content: attr(data-caption);
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 2.5rem 1.1rem 1rem;
  font-size: .875rem;
  font-weight: 450;
  color: var(--white);
  background: linear-gradient(0deg, rgba(10, 12, 11, .78), transparent);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .6s var(--ease);
}

@media (min-width: 768px) {
  .gallery__head { grid-template-columns: 1fr auto; align-items: end; }
  .gallery__head .kicker { grid-column: 1 / -1; margin-bottom: 0; }
  .gallery__grid { display: flex; flex-direction: column; gap: 12px; }
  .g-row { display: flex; gap: 12px; }
  .g-item, .g-item--w { flex: var(--ar) 1 0; aspect-ratio: var(--ar); min-width: 0; }
  .g-item::before { left: 14px; top: 14px; opacity: 0; transform: translateY(-6px); transition: opacity .5s var(--ease), transform .6s var(--ease); }
}
@media (hover: hover) and (pointer: fine) {
  .g-item { cursor: none; }
  .g-item:hover img { transform: scale(1.06); }
  .g-item:hover::after, .g-item:focus-visible::after { opacity: 1; transform: none; }
  .g-item:hover::before, .g-item:focus-visible::before { opacity: 1; transform: none; }
  .gallery__grid:hover .g-item:not(:hover) img { opacity: .55; }
}
@media (hover: none) and (min-width: 768px) {
  .g-item::before { opacity: 1; transform: none; }
}

/* ---------- 9. VIDEO ---------- */
.film { background: var(--paper-2); }
.film__grid { display: grid; gap: 3rem; }
.film__text .display { max-width: 12ch; }
.film__lead { margin-top: 1.5rem; max-width: 40ch; color: var(--stone); }

/* Móvil: texto → video → capítulos. Escritorio: texto y capítulos a la izquierda, video a la derecha */
.chapters { border-top: 1px solid var(--line); }
.chapters li { border-bottom: 1px solid var(--line); }
.chapters button {
  position: relative;
  display: grid;
  grid-template-columns: 3.75rem 1fr auto;
  align-items: center;
  width: 100%;
  min-height: 52px;
  padding: .8rem 0;
  text-align: left;
  color: var(--stone);
  transition: color .4s var(--ease), padding-left .5s var(--ease);
}
.chapters button::after {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid currentColor;
  transition: background-color .3s;
}
.chapters__t { font: 500 .75rem/1 var(--mono); letter-spacing: .08em; }
.chapters__name { font-size: 1rem; font-weight: 450; }
.chapters__bar { position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; overflow: hidden; }
.chapters__bar span {
  position: absolute; inset: 0;
  background: var(--accent-deep);
  transform-origin: left;
  transform: scaleX(var(--p, 0));
}
.chapters button:hover { color: var(--ink); padding-left: .4rem; }
.chapters button.is-active { color: var(--ink); }
.chapters button.is-active::after { background: var(--accent); border-color: var(--accent); }

.film__figure { position: relative; }
.player {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin-inline: auto;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background: var(--ink) url("video/xhantli-reel-poster.jpg") center / cover no-repeat;
  box-shadow: 0 40px 80px -40px rgba(15, 18, 17, .55);
}
.player__video { width: 100%; height: 100%; object-fit: cover; background: transparent; }
.player__big {
  position: absolute;
  top: 50%; left: 50%;
  display: grid;
  place-items: center;
  width: 84px; height: 84px;
  margin: -42px 0 0 -42px;
  border-radius: 50%;
  background: rgba(243, 241, 236, .92);
  color: var(--ink);
  transition: opacity .5s var(--ease), transform .6s var(--ease);
}
.player__big svg { width: 26px; height: 26px; margin-left: 4px; }
.player__big:hover { transform: scale(1.06); }
.player.is-playing .player__big { opacity: 0; transform: scale(.85); pointer-events: none; }
.player__ui {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 2.5rem .9rem .8rem;
  color: var(--white);
  background: linear-gradient(0deg, rgba(10, 12, 11, .7), transparent);
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.js .player__ui { opacity: 1; }
.player__btn { display: grid; place-items: center; width: 44px; height: 44px; flex: none; }
.player__btn svg { width: 22px; height: 22px; }
.player__track {
  position: relative;
  flex: 1;
  height: 24px;
  cursor: pointer;
}
.player__track::before, .player__track span {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 2px;
  margin-top: -1px;
  background: rgba(255, 255, 255, .3);
}
.player__track span { background: var(--white); transform-origin: left; transform: scaleX(var(--p, 0)); }
.player__time { font: 500 .6875rem/1 var(--mono); letter-spacing: .06em; min-width: 3.2em; }
.player__fallback {
  position: absolute;
  left: 1rem; right: 1rem; bottom: 1rem;
  padding: .9rem 1rem;
  font-size: .875rem;
  background: var(--paper);
  color: var(--ink);
}
.player__fallback a { text-decoration: underline; }
.film__caption {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .9rem;
  margin-top: 1.1rem;
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--stone);
}

@media (min-width: 1024px) {
  .film__grid {
    grid-template-columns: 1.05fr .95fr;
    grid-template-areas: "text figure" "chapters figure";
    grid-template-rows: auto 1fr;
    column-gap: clamp(3rem, 7vw, 8rem);
    row-gap: 2.5rem;
    align-items: start;
  }
  .film__text { grid-area: text; }
  .film__figure { grid-area: figure; align-self: center; }
  .film__chapters { grid-area: chapters; }
  .player { max-width: min(440px, calc((100vh - 220px) * 9 / 16)); min-width: 320px; }
}

/* ---------- 10. PROCESO ---------- */
.process__head { display: grid; gap: 1.25rem; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.process__note {
  font: 500 .75rem/1.5 var(--mono);
  letter-spacing: .08em;
  color: var(--stone);
}
.process__grid { display: grid; gap: 2.5rem; }
.process__stage { display: none; }

.steps { position: relative; --progress: 0; }
.steps::before, .steps::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--line-strong);
}
.steps::after {
  background: var(--accent);
  transform-origin: top;
  transform: scaleY(var(--progress));
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .25rem 1.25rem;
  padding: 0 0 3rem 1.5rem;
}
.step::before {
  content: "";
  position: absolute;
  left: -4px; top: .9rem;
  z-index: 2;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  transition: background-color .5s var(--ease), box-shadow .5s var(--ease), transform .5s var(--ease);
}
.step.is-active::before, .step.is-past::before { background: var(--accent); box-shadow: none; }
.step.is-active::before { transform: scale(1.35); }
.step__num {
  font-size: clamp(2.75rem, 2rem + 3.5vw, 5.25rem);
  font-weight: 200;
  font-stretch: 110%;
  line-height: .85;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1px var(--stone);
  transition: color .6s var(--ease), -webkit-text-stroke-color .6s var(--ease);
}
.step.is-active .step__num { color: var(--ink); -webkit-text-stroke-color: var(--ink); }
.step__body { padding-top: .35rem; }
.step h3 { font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); font-weight: 400; letter-spacing: -.02em; line-height: 1.15; }
.step p { margin-top: .6rem; color: var(--stone); max-width: 36ch; }
.step__img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; margin-top: 1.25rem; }

@media (min-width: 768px) {
  .process__head { grid-template-columns: 1fr auto; align-items: end; }
  .process__head .kicker { grid-column: 1 / -1; margin-bottom: 0; }
}
@media (min-width: 1024px) {
  .process__grid { grid-template-columns: 5fr 1fr 6fr; gap: 0; }
  .process__stage {
    display: block;
    grid-column: 1;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
  .steps { grid-column: 3; }
  .step { padding: 2.5rem 0 max(12vh, 5rem) 2.5rem; min-height: 38vh; }
  .step::before { top: 3.4rem; }
  .step__img { display: none; }
  .step:not(.is-active) .step__body { opacity: .5; }
  .step__body { transition: opacity .6s var(--ease); }
}
.process__frame {
  position: relative;
  aspect-ratio: 4 / 5;
  max-height: calc(100vh - var(--header-h) - 120px);
  width: 100%;
  overflow: hidden;
  background: var(--paper-2);
}
.stage-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity .9s var(--ease), transform 1.4s var(--ease);
}
.stage-item.is-active { opacity: 1; transform: none; }
.stage-item img { width: 100%; height: 100%; object-fit: cover; }
.drawing--stage { width: 100%; height: 100%; background: var(--paper-2); }
.process__stage-cap { margin-top: 1rem; }

/* ---------- 11. BENEFICIOS ---------- */
.benefits__head { margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.benefits__head .display { max-width: 15ch; }
.benefits__list { display: grid; border-top: 1px solid var(--line-dark); }
.benefit {
  --b-fill: var(--ink);
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  grid-template-areas: "icon num" "icon title" "icon text";
  column-gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line-dark);
  transition: background-color .6s var(--ease);
}
.benefit::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -1px;
  height: 1px;
  background: var(--accent-soft);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .8s var(--ease);
}
.benefit__icon { grid-area: icon; width: 40px; height: 40px; color: var(--paper); transition: color .5s, transform .7s var(--ease); }
.benefit__num { grid-area: num; font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; color: var(--stone-light); }
.benefit h3 { grid-area: title; margin-top: .6rem; font-size: 1.375rem; font-weight: 400; letter-spacing: -.015em; line-height: 1.2; }
.benefit p { grid-area: text; margin-top: .5rem; color: var(--stone-light); font-size: .9375rem; line-height: 1.55; }
.benefit:hover::before { transform: scaleX(1); }
.benefit:hover .benefit__icon { color: var(--accent-soft); transform: translateY(-4px); }

@media (min-width: 640px) and (max-width: 1023px) {
  .benefits__list { grid-template-columns: 1fr 1fr; column-gap: 2rem; }
}
@media (min-width: 1024px) {
  .benefits__list { grid-template-columns: repeat(5, minmax(0, 1fr)); border-bottom: 1px solid var(--line-dark); }
  .benefit {
    display: flex;
    flex-direction: column;
    min-height: 400px;
    padding: 2rem 1.5rem 2.25rem;
    border-bottom: 0;
  }
  .benefit + .benefit { border-left: 1px solid var(--line-dark); }
  .benefit:first-child { padding-left: 0; }
  .benefit__icon { width: 44px; height: 44px; margin-bottom: auto; }
  .benefit__num { margin-top: 2rem; }
  .benefit h3 { font-size: 1.5rem; }
  .benefit p { min-height: calc(1.55em * 3); } /* títulos alineados aunque el texto varíe */
  .benefit:hover { background: rgba(243, 241, 236, .03); }
}

/* ---------- 12. FICHA TÉCNICA ---------- */
.specs {
  background-color: var(--paper-2);
  background-image:
    linear-gradient(rgba(15, 18, 17, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 18, 17, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
}
.specs__head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.specs__intro { margin-top: 1.25rem; max-width: 46ch; color: var(--stone); }
.specs__tabs {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
}
.specs__tabs::-webkit-scrollbar { display: none; }
.specs__tab {
  flex: none;
  min-height: 44px;
  padding: 0 1.1rem;
  border: 1px solid var(--line-strong);
  font: 500 .75rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--graphite);
  transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s;
}
.specs__tab:hover { border-color: var(--ink); color: var(--ink); }
.specs__tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.specs__grid { display: grid; gap: 1.5rem; }
.specs__drawing {
  position: relative;
  padding: clamp(.75rem, 2.5vw, 2rem);
  background: var(--paper);
  border: 1px solid var(--line);
}
.specs__caption { margin-top: .9rem; font: .75rem/1.5 var(--mono); color: var(--stone); }

.drawing { width: 100%; height: auto; overflow: visible; }
.drawing .grid-lines path { fill: none; stroke: rgba(15, 18, 17, .06); stroke-width: 1; }
.drawing .ink path, .drawing .dim path {
  fill: none;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1.8s var(--ease-io);
}
.drawing .ink path { stroke: var(--ink); stroke-width: 1.4; }
.drawing .dim path { stroke: var(--accent); stroke-width: 1; }
.drawing text { font: 500 11px var(--mono); letter-spacing: .08em; fill: var(--accent-deep); transition: opacity .6s var(--ease) 1s; }
/* Con JS: los trazos se dibujan al entrar en pantalla */
.js .drawing .ink path, .js .drawing .dim path { stroke-dashoffset: 1; }
.js .drawing text { opacity: 0; }
.drawing .drawing__label { fill: var(--stone); }
/* Suelo, escala gráfica y siluetas de comparación: fijos, sin animación de trazo */
.drawing .ground path { fill: none; stroke: var(--line-strong); stroke-width: 1; }
.drawing .ghost path { fill: none; stroke: rgba(15, 18, 17, .26); stroke-width: 1; stroke-dasharray: 3 4; }
@media (max-width: 639px) {
  .drawing text { font-size: 19px; } /* el SVG se reduce en móvil: textos más grandes para seguir legibles */
}
.drawing .ink path:nth-child(2) { transition-delay: .15s; }
.drawing .ink path:nth-child(3) { transition-delay: .3s; }
.drawing .ink path:nth-child(4) { transition-delay: .45s; }
.drawing .ink path:nth-child(5) { transition-delay: .6s; }
.drawing .ink path:nth-child(6) { transition-delay: .75s; }
.drawing .dim path { transition-delay: .7s; }
.model-draw { opacity: 0; transition: opacity .35s var(--ease); }
.model-draw.is-active { opacity: 1; }
.js .is-drawn .model-draw.is-active .ink path, .js .is-drawn .model-draw.is-active .dim path,
.js .stage-item.is-drawn .ink path, .js .stage-item.is-drawn .dim path { stroke-dashoffset: 0; }
.js .is-drawn .model-draw.is-active text, .js .is-drawn > text, .js .stage-item.is-drawn text { opacity: 1; }

.sheet {
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--ink);
  color: var(--paper);
}
.sheet__top { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line-dark); }
.sheet__code { font: 500 .75rem/1 var(--mono); letter-spacing: .14em; color: var(--accent-soft); order: 2; }
.sheet__name { font-size: clamp(1.5rem, 1.2rem + 1vw, 2.1rem); font-weight: 350; letter-spacing: -.02em; line-height: 1.1; }
.sheet__price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .6rem;
  padding: 1.25rem 0 1rem;
  border-bottom: 1px solid var(--line-dark);
}
.sheet__price-k { width: 100%; font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent-soft); }
.sheet__price-v { font-size: clamp(2rem, 1.5rem + 1.8vw, 2.9rem); font-weight: 300; letter-spacing: -.035em; line-height: 1; }
.sheet__price-to { font-size: .9375rem; color: var(--stone-light); }
.sheet__list { margin: .25rem 0 2rem; }
.sheet__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: .9375rem;
}
.sheet__row dt { color: var(--stone-light); }
.sheet__row dd { text-align: right; }
.sheet__row dd.is-ph { color: var(--accent-soft); }
.sheet .btn { margin-top: auto; }
.sheet .btn--primary { background: var(--paper); color: var(--ink); --btn-hover-bg: var(--accent-soft); }

@media (min-width: 1024px) {
  .specs__grid { grid-template-columns: 7fr 5fr; gap: 24px; }
  .specs__tabs { margin-inline: 0; padding-inline: 0; }
}

/* Costos extra a considerar (cambian con la pestaña) */
.extras {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--paper);
  border: 1px solid var(--line);
}
.extras__title { display: grid; gap: .45rem; font-size: clamp(1.2rem, 1.05rem + .5vw, 1.45rem); font-weight: 400; letter-spacing: -.015em; }
.extras__note { font: 500 .6875rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--stone); }
.extras__list { counter-reset: extra; display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
.extras__list li {
  counter-increment: extra;
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .7rem 0;
  border-top: 1px solid var(--line);
  font-size: .9375rem;
  line-height: 1.35;
}
.extras__list li::before { content: counter(extra, decimal-leading-zero); font: 500 .625rem/1 var(--mono); letter-spacing: .08em; color: var(--accent-deep); }
@media (min-width: 768px) { .extras__list { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) {
  .extras { grid-template-columns: 16rem 1fr; align-items: start; column-gap: 2.5rem; }
}

/* ---------- 14. CTA FINAL ---------- */
.cta {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  max-height: 1000px;
  padding-block: 7rem;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}
.cta__media { position: absolute; inset: -12% 0; z-index: -2; will-change: transform; }
.cta__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.cta__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 12, 11, .78) 0%, rgba(10, 12, 11, .45) 55%, rgba(10, 12, 11, .2) 100%),
    linear-gradient(0deg, rgba(10, 12, 11, .6), transparent 45%);
}
.cta__content .display { max-width: 11ch; }
.cta__lead { max-width: 38ch; margin-top: 1.75rem; font-size: clamp(1.05rem, .95rem + .4vw, 1.3rem); color: rgba(255, 255, 255, .86); }
.cta__actions { display: grid; gap: .75rem; margin-top: 2.5rem; }
@media (min-width: 480px) {
  .cta__actions { display: flex; flex-wrap: wrap; }
}

/* ---------- 15. CONTACTO ---------- */
.contact__grid { display: grid; gap: 3.5rem; }
.contact__lead { margin-top: 1.5rem; max-width: 36ch; color: var(--stone); }

.c-list { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.c-row {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 18px;
  grid-template-areas: "icon label arrow" "icon value arrow";
  column-gap: 1rem;
  row-gap: .2rem;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .5s var(--ease), color .4s;
}
.c-row__icon { grid-area: icon; width: 22px; height: 22px; color: var(--accent-deep); }
.c-row__label { grid-area: label; font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone); }
.c-row__value { grid-area: value; font-size: 1.0625rem; font-weight: 450; overflow-wrap: anywhere; }
.c-row__value small { display: block; font: 400 .875rem/1.4 var(--font); color: var(--stone); letter-spacing: 0; }
.c-row__arrow { grid-area: arrow; width: 18px; height: 18px; color: var(--stone); transition: transform .5s var(--ease), color .4s; }
a.c-row:hover { padding-left: .5rem; }
a.c-row:hover .c-row__arrow { transform: translate(3px, -3px); color: var(--ink); }
.c-row.is-placeholder .c-row__arrow { opacity: .35; }

/* Agendar visita al showroom */
.visit { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-top: 1.75rem; }
.visit .link-arrow svg { width: 16px; height: 16px; }
@media (max-width: 479px) { .visit .btn { width: 100%; } }

.socials { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; margin-top: 1.75rem; }
.socials__label { width: 100%; font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone); }
.socials__link { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; font-size: .9375rem; transition: color .3s; }
.socials__link svg { width: 20px; height: 20px; }
.socials__link:hover { color: var(--accent-deep); }

.contact__form-wrap {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--white);
  box-shadow: 0 1px 0 var(--line), 0 30px 60px -40px rgba(15, 18, 17, .35);
}
.form__title { margin-bottom: 1.5rem; font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); font-weight: 350; letter-spacing: -.02em; }
.form__row { display: grid; column-gap: 1.5rem; }
.field { position: relative; padding-top: 1.1rem; margin-bottom: 1.1rem; }
.field__input {
  display: block;
  width: 100%;
  padding: .75rem 0 .65rem;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: linear-gradient(var(--ink), var(--ink)) no-repeat left bottom / 0% 1.5px;
  font: 400 1.0625rem/1.4 var(--font);
  color: var(--ink);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: background-size .6s var(--ease), border-color .3s;
}
.field__input:focus { background-size: 100% 1.5px; }
.field__input--area { resize: vertical; min-height: 110px; }
.field--select .field__input {
  padding-right: 2rem;
  cursor: pointer;
  background:
    linear-gradient(var(--ink), var(--ink)) no-repeat left bottom / 0% 1.5px,
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%230F1211' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 2px center / 18px;
}
.field--select .field__input:focus { background-size: 100% 1.5px, 18px; }
.field__label {
  position: absolute;
  left: 0; top: 1.95rem;
  font-size: 1.0625rem;
  color: var(--stone);
  pointer-events: none;
  transform-origin: left top;
  transition: transform .45s var(--ease), color .3s;
}
.field__input:focus + .field__label,
.field__input:not(select):not(:placeholder-shown) + .field__label,
.field--select .field__input:valid + .field__label {
  transform: translateY(-1.55rem) scale(.78);
  color: var(--ink);
}
.field__error { display: block; min-height: 1.1rem; margin-top: .35rem; font: 500 .75rem/1.4 var(--mono); color: var(--error); }
.field.is-invalid .field__input { border-bottom-color: var(--error); }
.field.is-invalid .field__label { color: var(--error); }
.field.is-valid .field__input { border-bottom-color: var(--accent); }

.form__note { margin: .25rem 0 1.5rem; font-size: .8125rem; color: var(--stone); }
.form__note a { text-decoration: underline; text-underline-offset: 2px; }
.form__submit .spinner {
  position: absolute;
  width: 20px; height: 20px;
  border: 1.5px solid rgba(243, 241, 236, .35);
  border-top-color: var(--paper);
  border-radius: 50%;
  opacity: 0;
  animation: spin .8s linear infinite;
}
.form__submit.is-loading .form__submit-label, .form__submit.is-loading .btn__icon { opacity: 0; }
.form__submit.is-loading .spinner { opacity: 1; }
.form__submit.is-loading { pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-ok { display: grid; gap: .9rem; justify-items: start; padding: 1rem 0; outline: none; }
.form-ok[hidden] { display: none; }
.form-ok__check { width: 64px; height: 64px; margin-bottom: .5rem; }
.form-ok__check circle, .form-ok__check path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 1s var(--ease-io) forwards;
}
.form-ok__check path { stroke: var(--ink); stroke-width: 2; animation-delay: .55s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.form-ok__title { font-size: clamp(1.75rem, 1.3rem + 1.5vw, 2.5rem); font-weight: 350; letter-spacing: -.025em; line-height: 1.1; }
.form-ok p:not(.form-ok__title) { color: var(--stone); max-width: 42ch; }
.form-ok__small { font-size: .875rem; }
.form-ok__actions { display: grid; gap: .75rem; width: 100%; margin-top: .75rem; }

@media (min-width: 640px) {
  .form__row { grid-template-columns: 1fr 1fr; }
  .c-row { grid-template-columns: 22px 7.5rem minmax(0, 1fr) 18px; grid-template-areas: "icon label value arrow"; }
  .form-ok__actions { display: flex; flex-wrap: wrap; width: auto; }
}
@media (min-width: 1024px) {
  .contact__grid { grid-template-columns: 5fr 6fr; gap: clamp(3rem, 7vw, 7rem); align-items: start; }
  .contact__form-wrap { position: sticky; top: calc(var(--header-h) + 16px); }
}

/* ---------- 16. FOOTER ---------- */
.footer {
  padding: clamp(5rem, 10vw, 8rem) 0 calc(1.5rem + env(safe-area-inset-bottom));
  background: var(--ink);
  color: var(--paper);
}
.footer__top { display: grid; gap: 3rem; }
.footer__claim { font-size: clamp(2rem, 1.3rem + 3vw, 3.75rem); font-weight: 300; line-height: 1.02; letter-spacing: -.035em; }
.footer__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem 1.5rem; }
.footer__label { margin-bottom: 1rem; font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone-light); }
.footer__list { display: grid; gap: .1rem; }
.footer__list a, .footer__list li > span { display: inline-block; padding: .35rem 0; color: rgba(243, 241, 236, .85); transition: color .3s; overflow-wrap: anywhere; }
.footer__list a:hover { color: var(--accent-soft); }
.footer__list .is-placeholder, .footer__list .is-placeholder [data-cfg-text] { color: var(--accent-soft); }
.footer__addr { margin-bottom: .35rem; font-style: normal; line-height: 1.55; color: rgba(243, 241, 236, .85); }
.footer__list .footer__tel { white-space: nowrap; } /* el número siempre en una línea */
@media (max-width: 767px) {
  .footer__contact { grid-column: 1 / -1; order: -1; } /* en móvil, el contacto va primero y a todo lo ancho */
}
.footer__mark {
  display: block;
  margin: clamp(4rem, 9vw, 7rem) 0 2rem;
  color: var(--paper);
  --wm-accent: var(--accent-soft);
}
.footer__mark svg { width: 100%; height: auto; aspect-ratio: 153 / 22; }
.footer__bottom {
  position: relative;
  display: grid;
  gap: .6rem;
  padding-top: 1.5rem;
  padding-right: 140px;
  border-top: 1px solid var(--line-dark);
  font-size: .8125rem;
  color: var(--stone-light);
}
.footer__bottom a:hover { color: var(--paper); }
.to-top {
  position: absolute;
  right: 76px; top: 1.25rem; /* separado del botón flotante de WhatsApp */
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--paper);
  transition: background-color .4s, color .4s, border-color .4s;
}
.to-top svg { width: 20px; height: 20px; transition: transform .5s var(--ease); }
.to-top:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.to-top:hover svg { transform: translateY(-3px); }

@media (min-width: 768px) {
  .footer__cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer__bottom { grid-template-columns: 1fr auto; align-items: center; }
}
@media (min-width: 1024px) {
  .footer__top { grid-template-columns: 1fr 1.25fr; }
  .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } /* 2 × 2: teléfono y correo caben completos */
}

/* ---------- 17. FLOTANTES ---------- */
.wa-float {
  position: fixed;
  right: calc(16px + env(safe-area-inset-right));
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 58px;
  min-width: 58px;
  padding: 0 17px;
  border-radius: 29px;
  background: var(--accent-deep);
  color: var(--white);
  box-shadow: 0 14px 30px -12px rgba(15, 18, 17, .55), inset 0 0 0 1px rgba(255, 255, 255, .12);
  transition: transform .6s var(--ease), opacity .5s var(--ease), background-color .4s, box-shadow .4s;
}
.wa-float svg { width: 24px; height: 24px; flex: none; }
.wa-float__label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  white-space: nowrap;
  font-size: .875rem;
  font-weight: 500;
  transition: max-width .6s var(--ease), opacity .4s var(--ease), margin .6s var(--ease);
}
.wa-float:hover { background: var(--ink); }
.wa-float:hover .wa-float__label, .wa-float:focus-visible .wa-float__label { max-width: 140px; opacity: 1; margin-left: .6rem; }
.js .wa-float { opacity: 0; transform: translateY(20px) scale(.9); }
.js .is-loaded .wa-float { opacity: 1; transform: none; transition-delay: 1.6s; }
.is-loaded .wa-float:hover { transition-delay: 0s; }
.menu-is-open .wa-float { opacity: 0 !important; pointer-events: none; }

/* Cursor contextual */
.cursor { position: fixed; left: 0; top: 0; z-index: 90; pointer-events: none; display: none; }
.cursor span {
  position: absolute;
  left: -44px; top: -44px;
  display: grid;
  place-items: center;
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  transform: scale(0);
  transition: transform .45s var(--ease);
}
.cursor.is-visible span { transform: scale(1); }
@media (hover: hover) and (pointer: fine) {
  .has-cursor .cursor { display: block; }
}

/* ---------- 18. DIÁLOGOS ---------- */
.is-locked { overflow: hidden; }

.modal {
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  overflow: auto;
  overscroll-behavior: contain;
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .45s var(--ease), transform .7s var(--ease);
}
.modal.is-open { opacity: 1; transform: none; }
.modal::backdrop { background: rgba(10, 12, 11, .72); opacity: 0; transition: opacity .45s var(--ease); }
.modal.is-open::backdrop { opacity: 1; }
.modal__inner { position: relative; display: grid; min-height: 100%; }
.modal__close {
  position: fixed;
  top: 12px; right: 12px;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 6px 20px -8px rgba(15, 18, 17, .5);
  transition: transform .5s var(--ease);
}
.modal__close svg { width: 22px; height: 22px; }
.modal__close:hover { transform: rotate(90deg); }
.modal__media { background: var(--charcoal); }
.modal__media img { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.modal__body { padding: clamp(1.5rem, 4vw, 3.5rem); padding-bottom: calc(2rem + env(safe-area-inset-bottom)); }
.modal__body .kicker { margin-bottom: 1rem; }
.modal__title { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.25rem); font-weight: 300; line-height: 1.02; letter-spacing: -.035em; }
.modal__desc { margin-top: 1rem; color: var(--stone); max-width: 44ch; }
.modal__specs { display: grid; grid-template-columns: 1fr 1fr; margin-top: 1.75rem; border-top: 1px solid var(--line); }
.modal__specs div { padding: .8rem 0; border-bottom: 1px solid var(--line); }
.modal__specs div:nth-child(odd) { padding-right: 1rem; }
.modal__specs dt { font: 500 .625rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone); }
.modal__specs dd { margin-top: .45rem; font-size: .9375rem; }
.modal__note { margin-top: 1rem; font: .75rem/1.5 var(--mono); color: var(--stone); }
.modal__actions { display: grid; gap: .75rem; margin-top: 1.75rem; }

@media (min-width: 900px) {
  .modal {
    width: min(1160px, calc(100vw - 64px));
    height: fit-content; /* el dialog modal trae inset:0; "auto" lo estiraría */
    max-height: calc(100dvh - 64px);
    margin: auto;
  }
  .modal__inner { grid-template-columns: 1.1fr 1fr; min-height: 0; }
  .modal__media img { aspect-ratio: auto; min-height: 100%; }
  .modal__close { position: absolute; }
  .modal__actions { display: flex; flex-wrap: wrap; }
}

.lightbox {
  width: 100vw;
  max-width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-height: 100dvh;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(10, 12, 11, .97);
  color: var(--white);
  overflow: hidden;
  opacity: 0;
  transition: opacity .45s var(--ease);
}
.lightbox.is-open { opacity: 1; }
.lightbox::backdrop { background: transparent; }
.lightbox__figure {
  position: absolute;
  inset: 72px 12px 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}
.lightbox__img-wrap { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: opacity .35s var(--ease), transform .6s var(--ease);
  touch-action: pan-y;
}
.lightbox.is-switching .lightbox__img { opacity: 0; transform: scale(.985); }
.lightbox__cap {
  position: fixed;
  left: 16px; right: 16px;
  bottom: calc(86px + env(safe-area-inset-bottom));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
  font-size: .9375rem;
}
.lightbox__text { flex: 1; min-width: 12rem; color: rgba(255, 255, 255, .88); }
.lightbox__count { font: 500 .75rem/1 var(--mono); letter-spacing: .12em; color: var(--stone-light); }
.lightbox__nav, .lightbox__close {
  position: fixed;
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 50%;
  color: var(--white);
  transition: background-color .4s, color .4s, border-color .4s;
}
.lightbox__nav svg, .lightbox__close svg { width: 22px; height: 22px; }
.lightbox__nav:hover, .lightbox__close:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.lightbox__nav--prev { left: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); }
.lightbox__nav--next { right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); }
.lightbox__close { top: 12px; right: 12px; }

@media (min-width: 768px) {
  .lightbox__figure { inset: 80px 112px 110px; }
  .lightbox__nav { top: 50%; bottom: auto; margin-top: -27px; }
  .lightbox__nav--prev { left: 28px; }
  .lightbox__nav--next { right: 28px; }
  .lightbox__close { top: 20px; right: 28px; }
  .lightbox__cap { left: 112px; right: 112px; bottom: 40px; }
}

/* ---------- 19. ANIMACIONES DE ENTRADA (scroll) ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.1s var(--ease) var(--d, 0s), transform 1.2s var(--ease) var(--d, 0s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* La "cortina" se aplica a los hijos: un clip-path en el propio elemento
   impediría detectar que está en pantalla. */
.js [data-reveal="clip"] { opacity: 1; transform: none; }
.js [data-reveal="clip"] > * {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1.4s var(--ease-io) var(--d, 0s);
}
.js [data-reveal="clip"].is-in > * { clip-path: inset(0 0 0 0); }
.js [data-reveal="clip"] img { transform: scale(1.16); transition: transform 2s var(--ease) var(--d, 0s); }
.js [data-reveal="clip"].is-in img { transform: scale(1); }

/* Titulares palabra por palabra */
.w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .12em; margin-bottom: -.12em; }
.w > span { display: inline-block; }
.js [data-split] .w > span {
  transform: translateY(110%);
  transition: transform 1.15s var(--ease);
  transition-delay: calc(var(--i, 0) * 60ms + var(--d, 0s));
}
.js [data-split].is-in .w > span { transform: none; }

.kicker .kicker__rule { transform-origin: left; }
.js .kicker[data-reveal] .kicker__rule { transform: scaleX(0); transition: transform 1.2s var(--ease-io) .2s; }
.js .kicker[data-reveal].is-in .kicker__rule { transform: none; }

/* ---------- 20. MOVIMIENTO REDUCIDO ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0s !important;
  }
  .js [data-reveal], .js [data-reveal="clip"], .js [data-split] .w > span,
  .js .hero__line > span, .js .hero__eyebrow, .js .hero__bottom > *, .js .hero__foot > *,
  .js .header, .js .wa-float, .js .hero__img {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }
  .js [data-reveal="clip"] img { transform: none !important; }
  .js [data-reveal="clip"] > * { clip-path: none !important; }
  .marquee__track { animation: none; }
  .scroll-cue__line::after { animation: none; }
  .drawing .ink path, .drawing .dim path { stroke-dashoffset: 0 !important; }
  .drawing text { opacity: 1 !important; }
}

/* =====================================================================
   21. PÁGINA DE MODELO (/modelos/*.html)
   Usa los mismos tokens, botones y tipografías del sitio.
   ===================================================================== */
.page-modelo { padding-top: var(--header-h); }

/* Barra superior */
.mp-bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(243, 241, 236, .72);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  transition: box-shadow .5s var(--ease), background-color .5s var(--ease);
}
.mp-bar.is-scrolled { background: rgba(243, 241, 236, .88); box-shadow: 0 1px 0 var(--line), 0 12px 32px -20px rgba(15, 18, 17, .4); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .mp-bar { background: rgba(243, 241, 236, .97); }
}
.mp-bar__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.mp-bar .brand { margin-right: auto; }
.mp-bar .brand__mark { --wm-accent: var(--accent); }
.mp-bar__back {
  display: none;
  align-items: center;
  gap: .6rem;
  min-height: 44px;
  font-size: .9375rem;
  font-weight: 450;
  color: var(--graphite);
  transition: color .3s, gap .4s var(--ease);
}
.mp-bar__back svg { width: 18px; height: 18px; }
.mp-bar__back:hover { color: var(--ink); gap: .85rem; }
.mp-bar__cta { min-height: 44px; padding: 0 1.1rem; font-size: .875rem; }
@media (min-width: 640px) { .mp-bar__back { display: inline-flex; } }
/* En móvil la barra prioriza el regreso al catálogo; para WhatsApp ya está el botón flotante */
@media (max-width: 639px) {
  .mp-bar__back { display: inline-flex; order: -1; }
  .mp-bar__cta { display: none; }
  .mp-bar .brand { margin-left: auto; margin-right: 0; }
  .mp-bar .brand__sub { display: none; }
}

/* Migas de pan */
.mp-crumbs {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-top: clamp(1.25rem, 3vw, 2.25rem);
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--stone);
  flex-wrap: wrap;
}
.mp-crumbs svg { width: 14px; height: 14px; opacity: .45; }
.mp-crumbs a { transition: color .3s; }
.mp-crumbs a:hover { color: var(--ink); }
.mp-crumbs [aria-current] { color: var(--ink); }

/* ---------- Encabezado del modelo ---------- */
.mp-hero {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}
.mp-hero__info { display: flex; flex-direction: column; align-items: flex-start; }
.mp-gallery { order: -1; } /* la foto primero, también en móvil */
.mp-title { margin-bottom: .75rem; }
.mp-price { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.mp-price__value {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  font-weight: 350;
  letter-spacing: -.02em;
}
.mp-price__value--pend { color: var(--accent-deep); font-family: var(--mono); font-size: clamp(1rem, .9rem + .6vw, 1.3rem); letter-spacing: .01em; }
.mp-price__from { font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent-deep); }
.mp-price__to { font-size: .9375rem; color: var(--stone); }
.mp-resumen { max-width: 46ch; color: var(--stone); font-size: clamp(1rem, .95rem + .3vw, 1.125rem); }

/* Datos rápidos */
.mp-quick {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  width: 100%;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.mp-quick li { display: grid; gap: .3rem; padding: .9rem 1rem; background: var(--paper); }
.mp-quick__k { font: 500 .625rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone); }
.mp-quick__v { font-size: 1.0625rem; font-weight: 450; }
.mp-actions { display: grid; gap: .75rem; width: 100%; }
@media (min-width: 420px) { .mp-actions { display: flex; flex-wrap: wrap; } }

/* Marcador de dato pendiente */
.mp-pend {
  font-family: var(--mono);
  font-size: .82em;
  letter-spacing: .02em;
  color: var(--accent-deep);
  border-bottom: 1px dashed rgba(63, 143, 134, .5);
}
.mp-pend-block { color: var(--accent-deep); font-family: var(--mono); font-size: 1rem; line-height: 1.6; }
.mp-note { margin-top: 1rem; font: .8125rem/1.6 var(--mono); color: var(--stone); max-width: 60ch; }

/* ---------- Galería del modelo ---------- */
.mp-gallery { position: relative; }
.mp-gallery__stage { position: relative; overflow: hidden; background: var(--paper-2); }
.mp-gallery__main {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: zoom-in;
}
.mp-gallery__main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease), opacity .4s var(--ease);
}
.mp-gallery__main:hover img { transform: scale(1.04); }
.mp-gallery__zoom {
  position: absolute;
  right: 14px; bottom: 14px;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(243, 241, 236, .92);
  color: var(--ink);
  transition: transform .5s var(--ease);
}
.mp-gallery__zoom svg { width: 20px; height: 20px; }
.mp-gallery__main:hover .mp-gallery__zoom { transform: scale(1.08); }
.mp-gallery__count {
  position: absolute;
  left: 14px; bottom: 14px;
  padding: .45rem .6rem;
  background: rgba(10, 12, 11, .55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: var(--white);
  font: 500 .6875rem/1 var(--mono);
  letter-spacing: .12em;
}
.mp-gallery__thumbs { display: flex; gap: 8px; margin-top: 8px; }
.mp-thumb {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-2);
  opacity: .62;
  transition: opacity .4s var(--ease);
}
.mp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.mp-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 0 var(--ink);
  transition: box-shadow .4s var(--ease);
}
.mp-thumb:hover { opacity: .85; }
.mp-thumb.is-active { opacity: 1; }
.mp-thumb.is-active::after { box-shadow: inset 0 0 0 2px var(--ink); }

@media (min-width: 900px) {
  .mp-hero { grid-template-columns: 1.15fr .85fr; align-items: center; column-gap: clamp(2rem, 4vw, 4rem); }
  .mp-gallery__main { aspect-ratio: 5 / 4; }
}

/* ---------- Secciones ---------- */
.mp-section { padding-block: clamp(3rem, 7vw, 6rem); border-top: 1px solid var(--line); }
.mp-section__head { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.mp-section__head .display { max-width: 18ch; }
.mp-about__body { max-width: 62ch; }
.mp-about__body .lead { color: var(--ink); }

/* Detalles del modelo */
.mp-details { background: var(--paper-2); border-top: 0; }
.mp-specs { display: grid; grid-template-columns: 1fr; column-gap: clamp(2rem, 5vw, 5rem); }
.mp-specs__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--line);
}
.mp-specs__row dt { font-weight: 500; }
.mp-specs__row dd { text-align: right; color: var(--graphite); overflow-wrap: anywhere; }
@media (min-width: 768px) { .mp-specs { grid-template-columns: 1fr 1fr; } }

/* Características */
.mp-feats { display: grid; gap: .25rem 2.5rem; }
.mp-feat {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}
.mp-feat__icon {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  flex: none;
  border-radius: 50%;
  border: 1px dashed var(--line-strong);
  color: var(--stone);
  transition: color .4s, border-color .4s, background-color .4s;
}
.mp-feat__icon svg { width: 16px; height: 16px; }
.mp-feat.is-ok .mp-feat__icon { border-style: solid; border-color: var(--accent); color: var(--accent-deep); }
.mp-feat__name { flex: 1; min-width: 0; }
.mp-feat__tag {
  font: 500 .625rem/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  white-space: nowrap;
}
.mp-feat:hover .mp-feat__icon { color: var(--ink); border-color: var(--ink); }
@media (min-width: 640px) { .mp-feats { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .mp-feats { grid-template-columns: repeat(3, 1fr); } }

/* Costos adicionales */
.mp-costos { background: var(--ink); color: var(--paper); border-top: 0; }
.mp-costos .display { color: var(--paper); }
.mp-costos__intro { margin-top: 1rem; max-width: 52ch; color: var(--stone-light); }
.mp-costos__list { display: grid; border-top: 1px solid var(--line-dark); }
.mp-costo {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: .75rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line-dark);
}
.mp-costo__name { font-size: 1.0625rem; }
.mp-costo__line { height: 1px; border-bottom: 1px dotted rgba(243, 241, 236, .25); transform: translateY(-.25rem); }
.mp-costo__price { font-size: .9375rem; color: var(--accent-soft); }
.mp-costo__price .mp-pend { color: var(--accent-soft); border-bottom-color: rgba(143, 209, 197, .5); }
@media (max-width: 519px) {
  .mp-costo { grid-template-columns: 1fr auto; }
  .mp-costo__line { display: none; }
}

/* Información adicional */
.mp-extra__list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.mp-extra__row {
  display: grid;
  gap: .3rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}
.mp-extra__row dt { font: 500 .6875rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone); }
.mp-extra__row dd { font-size: 1.0625rem; }
@media (min-width: 640px) {
  .mp-extra__row { grid-template-columns: 16rem 1fr; align-items: baseline; gap: 1.5rem; }
}

/* Showroom */
.mp-visit__body { display: grid; gap: 1.75rem; }
.mp-visit__addr {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-style: normal;
  font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: -.01em;
}
.mp-visit__addr strong { font-weight: 450; }
.mp-visit__icon { width: 26px; height: 26px; flex: none; margin-top: .15em; color: var(--accent-deep); }
@media (min-width: 900px) {
  .mp-visit__body { grid-template-columns: 1fr auto; align-items: center; }
}

/* Franja de obra real */
.mp-obra { padding-block: clamp(3rem, 7vw, 6rem); background: var(--paper-2); }
.mp-obra__head { margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.mp-obra__strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2));
  scroll-padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2));
}
.mp-obra__strip::-webkit-scrollbar { display: none; }
.mp-obra__item {
  flex: 0 0 min(62vw, 270px);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--charcoal);
  scroll-snap-align: start;
  cursor: zoom-in;
}
.mp-obra__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), opacity .5s; }
.mp-obra__item:hover img { transform: scale(1.05); }

/* Llamada a la acción */
.mp-cta {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: min(70svh, 620px);
  padding-block: clamp(4rem, 9vw, 7rem);
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}
.mp-cta__media { position: absolute; inset: 0; z-index: -2; }
.mp-cta__media img { width: 100%; height: 100%; object-fit: cover; }
.mp-cta__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 12, 11, .82) 0%, rgba(10, 12, 11, .5) 60%, rgba(10, 12, 11, .25) 100%),
    linear-gradient(0deg, rgba(10, 12, 11, .55), transparent 55%);
}
.mp-cta__content .display { max-width: 16ch; }
.mp-cta__content p { max-width: 44ch; margin-top: 1.25rem; color: rgba(255, 255, 255, .85); }
.mp-cta__content .mp-actions { margin-top: 2rem; }

/* Otros modelos */
.mp-otros__head { display: grid; gap: 1rem; }
.mp-otros__grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.mp-otro { display: grid; gap: 1rem; }
.mp-otro__media { display: block; overflow: hidden; aspect-ratio: 16 / 11; background: var(--paper-2); }
.mp-otro__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.3s var(--ease); }
.mp-otro:hover .mp-otro__media img { transform: scale(1.05); }
.mp-otro__body { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .35rem 1rem; }
.mp-otro__tag { grid-column: 1; font: 500 .625rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--stone); }
.mp-otro__name { grid-column: 1; font-size: 1.25rem; font-weight: 400; letter-spacing: -.015em; }
.mp-otro__price { grid-column: 1; font-size: .9375rem; color: var(--accent-deep); }
.mp-otro__arrow { grid-column: 2; grid-row: 1 / 4; width: 22px; height: 22px; color: var(--stone); transition: transform .5s var(--ease), color .4s; }
.mp-otro:hover .mp-otro__arrow { transform: translateX(5px); color: var(--ink); }
@media (min-width: 640px) {
  .mp-otros__head { grid-template-columns: 1fr auto; align-items: end; }
  .mp-otros__grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}

/* Pie de página de la ficha */
.mp-foot { padding: clamp(3rem, 6vw, 5rem) 0 calc(2rem + env(safe-area-inset-bottom)); background: var(--ink); color: var(--paper); }
.mp-foot__inner { display: grid; gap: 2rem; }
.mp-foot__mark { display: block; max-width: 420px; color: var(--paper); --wm-accent: var(--accent-soft); }
.mp-foot__mark svg { width: 100%; height: auto; aspect-ratio: 153 / 22; }
.mp-foot__nav { display: flex; flex-wrap: wrap; gap: .75rem 1.75rem; }
.mp-foot__nav a { padding: .35rem 0; color: rgba(243, 241, 236, .85); transition: color .3s; }
.mp-foot__nav a:hover { color: var(--accent-soft); }
.mp-foot__legal { font-size: .8125rem; line-height: 1.6; color: var(--stone-light); }
.mp-foot__legal a { color: rgba(243, 241, 236, .85); transition: color .3s; }
.mp-foot__legal a:hover { color: var(--accent-soft); }
.mp-foot__contact { font-size: .9375rem; }
.mp-visit__addr a { color: var(--accent-deep); }
@media (max-width: 899px) { .mp-foot__legal { padding-right: 76px; } } /* deja libre el botón flotante */
@media (min-width: 900px) {
  .mp-foot__inner { grid-template-columns: 1.2fr 1fr; align-items: end; }
  .mp-foot__mark { grid-column: 1 / -1; max-width: none; margin-bottom: 1rem; }
}

/* Entrada de la ficha */
.js .page-modelo .mp-hero__info > *, .js .page-modelo .mp-crumbs {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s var(--ease), transform 1.1s var(--ease);
}
.js .page-modelo.is-loaded .mp-crumbs { opacity: 1; transform: none; }
.js .page-modelo.is-loaded .mp-hero__info > * { opacity: 1; transform: none; }
.js .page-modelo.is-loaded .mp-hero__info > :nth-child(1) { transition-delay: .1s; }
.js .page-modelo.is-loaded .mp-hero__info > :nth-child(2) { transition-delay: .18s; }
.js .page-modelo.is-loaded .mp-hero__info > :nth-child(3) { transition-delay: .26s; }
.js .page-modelo.is-loaded .mp-hero__info > :nth-child(4) { transition-delay: .34s; }
.js .page-modelo.is-loaded .mp-hero__info > :nth-child(5) { transition-delay: .42s; }
.js .page-modelo.is-loaded .mp-hero__info > :nth-child(6) { transition-delay: .5s; }

@media (prefers-reduced-motion: reduce) {
  .js .page-modelo .mp-hero__info > *, .js .page-modelo .mp-crumbs { opacity: 1 !important; transform: none !important; }
}

/* Tarjeta del catálogo: toda la tarjeta lleva a la ficha del modelo */
.model-card__link { position: absolute; inset: 0; z-index: 4; }
.model-card__link:focus-visible { outline-offset: -4px; }
.model-card__cta { pointer-events: none; }

/* Ficha técnica: enlace a la página completa del modelo */
.sheet__actions { margin-top: auto; display: grid; gap: 1rem; justify-items: center; }
.sheet__link {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  min-height: 44px;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--accent-soft);
  transition: gap .4s var(--ease);
}
.sheet__link svg { width: 18px; height: 18px; }
.sheet__link:hover { gap: .95rem; }

/* =====================================================================
   22. CATEGORÍAS DEL CATÁLOGO (pestañas Remolcables / Transportables)
   ===================================================================== */
.models__cats { margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem); }

.cat-tabs {
  position: relative;
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.cat-tabs::-webkit-scrollbar { display: none; }

.cat-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex: none;
  min-height: 52px;
  padding: 0 .15rem;
  font: 500 .8125rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--stone);
  white-space: nowrap;
  transition: color .4s var(--ease);
}
.cat-tab:hover { color: var(--graphite); }
.cat-tab[aria-selected="true"] { color: var(--ink); }
.cat-tab__count {
  font-size: .625rem;
  letter-spacing: .06em;
  color: var(--stone);
  transform: translateY(-.35em);
  transition: color .4s var(--ease);
}
.cat-tab[aria-selected="true"] .cat-tab__count { color: var(--accent-deep); }

/* Subrayado que se desliza entre pestañas */
.cat-tabs__ind {
  position: absolute;
  left: 0; bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--ink);
  transition: transform .55s var(--ease), width .55s var(--ease);
  pointer-events: none;
}

/* Cambio de categoría: salida y entrada suaves de las tarjetas */
.model-card[hidden] { display: none !important; }
.rail[hidden], .rail-ui[hidden] { display: none !important; }
.rail .model-card {
  transition: opacity .28s var(--ease) var(--cat-d, 0s), transform .4s var(--ease) var(--cat-d, 0s);
}
.rail.is-cat-out .model-card { opacity: 0; transform: translateY(10px); transition-delay: 0s; }

/* Categoría sin modelos todavía */
.cat-empty {
  display: grid;
  justify-items: start;
  gap: .75rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px dashed var(--line-strong);
  background: rgba(233, 229, 221, .45);
}
.cat-empty[hidden] { display: none; }
.cat-empty__title {
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  font-weight: 350;
  letter-spacing: -.02em;
}
.cat-empty p { color: var(--stone); max-width: 46ch; }
.cat-empty .btn { margin-top: .75rem; }

@media (prefers-reduced-motion: reduce) {
  .cat-tabs__ind, .rail .model-card { transition: none !important; }
}