/* =====================================================================
   YAILUS COLOR — Presentación v3
   Concepto: "ficha técnica de un envase". Lienzo vino continuo, tinta
   crema, filetes finos, registros numerados y marcas de medida.

   Marca (Manual Yailus Color, pág. 11 y 12):
     Vino  #6c173a   ·   Crema #fcf2e7   ·   Work Sans
   Todo tono adicional es el MISMO matiz (H≈335) variando luminosidad.
   ===================================================================== */

:root {
  --accent-wine: #6c173a;   /* el vino, solo como acento */
  /* --- Escala de vino (misma H, distinta L) --- */
  --wine-900: #240613;
  --wine-800: #2c0817;
  --wine-700: #3c0b20;
  --wine-600: #4a0f28;
  --wine-500: #6c173a;   /* marca */
  --wine-400: #8a2450;
  --cream:    #fcf2e7;   /* marca */
  /* Antracita: el neutro que el manual usa en la versión B/N (pág. 6-7).
     Da profundidad sin introducir un tono nuevo. */
  --anthracite-900: #1a1719;
  --anthracite-800: #231f20;
  --anthracite-700: #2e2a2b;

  /* --- Roles --- */
  --ink: var(--anthracite-900);
  --surface-1: var(--anthracite-800);
  --surface-2: var(--anthracite-700);
  --surface-3: var(--wine-600);
  --paper: var(--cream);
  --paper-dim: rgba(252, 242, 231, .68);
  --paper-mute: rgba(252, 242, 231, .44);
  --accent: var(--cream);
  --accent-mark: #6c173a;
  --accent-light: var(--cream);

  --line: rgba(252, 242, 231, .14);
  --line-strong: rgba(252, 242, 231, .28);

  /* Sombras tintadas con el matiz de marca, nunca negro puro */
  --shadow-sm: 0 1px 2px rgba(12, 10, 11, .4);
  --shadow-md: 0 12px 30px -12px rgba(12, 10, 11, .7);
  --shadow-lg: 0 40px 80px -40px rgba(12, 10, 11, .9);

  --max: 1440px;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --sans: "Work Sans", system-ui, -apple-system, sans-serif;

  /* Muelle: peso natural en todo lo interactivo */
  --spring: cubic-bezier(.22, 1.15, .36, 1);
  --ease: cubic-bezier(.2, .75, .2, 1);

  --z-noise: 100;
  --z-skip: 200;
  --z-header: 80;
  --z-progress: 90;
}

* { box-sizing: border-box; }

html {
  overflow-x: clip;   /* evita el desbordamiento lateral de 4 px */
  scroll-behavior: smooth;
  background: var(--ink);
  /* La cabecera fija no debe tapar el destino de los anclajes */
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }

img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
::selection { background: var(--wine-500); color: var(--cream); }

p { text-wrap: pretty; }

.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;
}

/* ---------------------------------------------------------------
   Tipografía display — Work Sans con peso y tracking de titular.
   El contraste editorial lo da la CURSIVA LIGERA, no otra familia.
   --------------------------------------------------------------- */
h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: .88;
  text-wrap: balance;
}
h1 em, h2 em, h3 em {
  display: inline-block;
  font-style: italic;
  font-weight: 300;
  letter-spacing: -.03em;
  color: var(--accent);
}

.eyebrow, .section-tag {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin: 0;
  color: var(--paper-mute);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.eyebrow span, .section-tag span { color: var(--accent); }
.eyebrow::after, .section-tag::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

/* ---------------------------------------------------------------
   Accesibilidad
   --------------------------------------------------------------- */
.skip-link {
  position: fixed;
  z-index: var(--z-skip);
  top: .75rem; left: .75rem;
  padding: .8rem 1.2rem;
  background: var(--cream);
  color: var(--wine-500);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  transform: translateY(-180%);
  transition: transform .3s var(--spring);
}
.skip-link:focus-visible { transform: none; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------------------------------------------------------------
   Capas de ambiente
   --------------------------------------------------------------- */
.page-noise {
  position: fixed;
  inset: 0;
  z-index: var(--z-noise);
  pointer-events: none;
  opacity: .04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor-glow {
  display: none;   /* resplandor del puntero retirado */
  position: fixed;
  width: 40rem; height: 40rem;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  left: var(--mouse-x, 70%);
  top: var(--mouse-y, 20%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(108, 23, 58, .30), transparent 65%);
  filter: blur(60px);
  transition: opacity .6s;
}

.scroll-progress {
  position: fixed;
  z-index: var(--z-progress);
  inset: 0 0 auto;
  height: 2px;
  pointer-events: none;
  background: rgba(252, 242, 231, .07);
}
.scroll-progress i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-wine, #6c173a), var(--accent));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* ---------------------------------------------------------------
   Cabecera — cristal real: blur + borde interior + sombra tintada
   --------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  height: 88px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--pad);
  transition: height .4s var(--ease), background .4s, box-shadow .4s;
}
.site-header.is-scrolled {
  height: 66px;
  background: rgba(35, 31, 32, .78);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow:
    inset 0 1px 0 rgba(252, 242, 231, .10),
    inset 0 -1px 0 rgba(252, 242, 231, .06),
    var(--shadow-md);
}

.brand { display: inline-flex; align-items: center; gap: .75rem; width: max-content; }
.brand:hover .desktop-nav { display: flex; gap: 2.4rem; }
.desktop-nav a {
  position: relative;
  padding: .3rem 0;
  color: var(--paper-mute);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: color .3s;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .4s var(--spring);
}
.desktop-nav a:hover { color: var(--paper); }
.desktop-nav a:hover::after,
.desktop-nav a.is-current::after { width: 100%; }
.desktop-nav a.is-current { color: var(--paper); }

.header-cta {
  justify-self: end;
  display: inline-flex;
  gap: .6rem;
  align-items: center;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.header-cta span { color: var(--accent); transition: transform .4s var(--spring); }
.header-cta:hover span { transform: translate(4px, -4px); }

.menu-button, .mobile-menu { display: none; }

/* ---------------------------------------------------------------
   Botones y enlaces
   --------------------------------------------------------------- */
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-width: 13.5rem;
  padding: 1.05rem 1.3rem;
  border: 1px solid transparent;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: transform .45s var(--spring), box-shadow .45s var(--ease), background .3s;
}
.button span { transition: transform .45s var(--spring); }
.button:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.button:hover span { transform: translateX(4px); }
.button:active { transform: translateY(0) scale(.985); transition-duration: .1s; }

.button-light { background: var(--cream); color: var(--wine-500); }
.button-copper { background: var(--accent-wine, #6c173a); color: var(--cream); }
.button-copper:hover { background: var(--wine-400); }

.text-link {
  display: inline-flex;
  gap: .6rem;
  align-items: center;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--line-strong);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: border-color .3s, color .3s;
}
.text-link span { color: var(--accent); transition: transform .4s var(--spring); }
.text-link:hover { border-color: var(--accent); }
.text-link:hover span { transform: translate(4px, -4px); }

/* ---------------------------------------------------------------
   Ritmo de sección
   --------------------------------------------------------------- */
.section-pad {
  position: relative;
  /* Padding inferior ópticamente mayor que el superior */
  padding: clamp(6rem, 11vw, 11rem) var(--pad) clamp(7rem, 13vw, 13rem);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
}
.section-head > p {
  margin: 0;
  color: var(--paper-mute);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------
   01 · HERO — asimétrico, la botella sangra por la derecha
   --------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 47%) minmax(0, 53%);
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  /* Misma geometría, colores intercambiados: donde iba el vino va la
     antracita y donde iba la antracita va el vino. */
  background:
    radial-gradient(90% 70% at 12% 78%, rgba(25, 22, 24, .55), transparent 60%),
    linear-gradient(150deg, var(--ink) 0%, var(--wine-800) 72%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* Separación mínima entre todos los bloques. Los márgenes automáticos
     reparten lo que sobre; el gap garantiza que, en una ventana baja
     donde no sobra nada, los bloques no se peguen entre sí. */
  gap: clamp(1.2rem, 2.2vh, 2.2rem);
  padding: 8.5rem clamp(2rem, 5vw, 6rem) 4rem var(--pad);
}
/* Reparto del panel: el titular respira y el texto no se apelmaza arriba */
.hero-copy > .eyebrow { margin-bottom: .5rem; }
.hero h1 {
  margin: 1.8rem 0 0;
  font-size: clamp(3.4rem, 6.6vw, 8rem);
  letter-spacing: -.055em;
  line-height: .84;
}
.hero-intro {
  max-width: 34ch;
  /* margin-top:auto reparte el hueco libre con el de .hero-meta, así este
     bloque queda a mitad de camino entre el titular y la fila de cifras.
     El padding garantiza la separación mínima del titular aunque la
     ventana sea baja y no sobre espacio que repartir. */
  margin: auto 0 0;
  padding-top: clamp(2.6rem, 3.6vw, 4.4rem);
  color: var(--paper-dim);
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.78;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.6rem 2.2rem;
  margin-top: clamp(2.6rem, 3vw, 3.6rem);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 36rem;
  /* auto en lugar de una separación fija: la fila de cifras se ancla al
     pie del panel y el bloque superior ocupa el resto. Así el panel
     izquierdo queda lleno, sin el hueco que dejaba el índice vertical. */
  margin-top: auto;
  min-height: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.hero-meta div { display: flex; align-items: baseline; gap: .8rem; }
.hero-meta strong {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -.04em;
  color: var(--accent);
}
.hero-meta span {
  color: var(--paper-mute);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  line-height: 1.35;
}

.hero-stage {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  overflow: hidden;
  /* Centro a wine-600 en vez de wine-500: con el panel izquierdo ya en
     antracita, el vino saturado destacaba demasiado por contraste. */
  background: radial-gradient(circle at 52% 46%, var(--wine-600) 0%, var(--wine-800) 36%, var(--ink) 74%);
}
.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(26, 23, 25, .45), transparent 24%, transparent 68%, rgba(26, 23, 25, .6));
}
.hero-stage model-viewer {
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  --poster-color: transparent;
  z-index: 1;
}
.stage-poster {
  position: absolute;
  inset: 0;
  z-index: 0;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity .8s var(--ease);
}
body.model-fallback .stage-poster { opacity: 1; }

.stage-label {
  position: absolute;
  z-index: 4;
  top: 7.5rem; right: 2rem;
  color: var(--paper-mute);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
}
/* Marca de medida: registro de ficha técnica */
.stage-measure {
  position: absolute;
  z-index: 4;
  left: 2rem; top: 22%; bottom: 22%;
  width: 1px;
  background: var(--line-strong);
}
.stage-measure::before, .stage-measure::after {
  content: "";
  position: absolute;
  left: -5px;
  width: 11px; height: 1px;
  background: var(--paper-mute);
}
.stage-measure::before { top: 0; }
.stage-measure::after { bottom: 0; }
.stage-measure span {
  position: absolute;
  top: 50%; left: .65rem;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
  white-space: nowrap;
  color: var(--paper-mute);
  font-size: .56rem;
  letter-spacing: .2em;
}

.model-controls {
  position: absolute;
  z-index: 5;
  right: 1.6rem; bottom: 1.6rem;
  display: flex;
  overflow: hidden;
  background: rgba(35, 31, 32, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 0 0 1px rgba(252, 242, 231, .14), var(--shadow-md);
}
.model-controls button {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-height: 2.9rem;
  padding: 0 1.05rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  font-size: .6rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: background .3s, color .3s;
}
.model-controls button:last-child { border-right: 0; }
.model-controls button:hover { background: rgba(252, 242, 231, .1); }
.model-controls button:active { background: rgba(252, 242, 231, .16); }
.control-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(252, 242, 231, .18);
}

.drag-note {
  position: absolute;
  z-index: 4;
  left: 2rem; bottom: 2rem;
  margin: 0;
  color: var(--paper-mute);
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.drag-note span { margin-left: .4rem; color: var(--accent); }

.hero-index {
  position: absolute;
  z-index: 4;
  left: var(--pad); bottom: 3.5rem;
  writing-mode: vertical-rl;
  color: var(--paper-mute);
  font-size: .55rem;
  letter-spacing: .24em;
}

/* ---------------------------------------------------------------
   Marquee
   --------------------------------------------------------------- */
.marquee {
  position: relative;
  z-index: 3;
  border-block: 1px solid var(--line);
  background: var(--surface-1);
  padding: clamp(1.1rem, 2vw, 1.6rem) 0;
}
.marquee-viewport {
  overflow: hidden;
  /* Difumina los extremos en lugar de cortarlos en seco */
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  white-space: nowrap;
  color: var(--paper-dim);
  font-size: clamp(1.3rem, 2.8vw, 2.3rem);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1;
}
.marquee-track > span { padding-inline: clamp(1.2rem, 2.4vw, 2.4rem); }
.marquee-track > i { color: var(--accent); font-style: normal; opacity: .7; }
.marquee-track.is-running { animation: marquee-scroll 40s linear infinite; }
.marquee:hover .marquee-track.is-running { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ---------------------------------------------------------------
   02 · ESTUDIO — la imagen sangra y solapa la sección siguiente
   --------------------------------------------------------------- */
.manifesto { max-width: var(--max); margin: 0 auto; }
.manifesto-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: clamp(3rem, 9vw, 9rem);
  align-items: end;
  margin-top: 4.5rem;
}
.manifesto h2 { font-size: clamp(2.6rem, 5.6vw, 6.2rem); }
.manifesto-copy { padding-bottom: .6rem; }
.manifesto-copy p { max-width: 46ch; color: var(--paper-dim); line-height: 1.82; }
.manifesto-copy p + p { margin-top: 1.15rem; }
.manifesto-copy .text-link { margin-top: 1.8rem; }

.manifesto-image {
  position: relative;
  margin-top: clamp(4rem, 8vw, 7rem);
  box-shadow: var(--shadow-lg);
}
.manifesto-image img {
  aspect-ratio: 2.3 / 1;
  object-fit: cover;
  filter: saturate(.9);
}
.manifesto-image p {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin: .9rem 0 0;
  color: var(--paper-mute);
  font-size: .63rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.manifesto-image p span { color: var(--accent); }

/* ---------------------------------------------------------------
   03 · SERVICIOS — lista editorial, no tres tarjetas iguales
   --------------------------------------------------------------- */
.techniques {
  display: grid;
  grid-template-columns: .58fr 1.42fr;
  gap: clamp(3rem, 7vw, 8rem);
  max-width: var(--max);
  margin: 0 auto;
}
.techniques-intro { position: sticky; top: 7.5rem; align-self: start; }
.techniques h2 { margin-top: 2rem; font-size: clamp(2.4rem, 4.6vw, 5rem); }
.techniques-intro > p:last-child {
  max-width: 30ch;
  margin: 1.8rem 0 0;
  color: var(--paper-dim);
  line-height: 1.8;
}

.technique-list { border-top: 1px solid var(--line); }
.technique-card {
  position: relative;
  display: grid;
  grid-template-columns: 3.2rem minmax(11rem, .72fr) 1fr;
  gap: 1.6rem;
  padding: 2.6rem 0;
  border-bottom: 1px solid var(--line);
  transition: border-color .4s;
}
/* Foco de cursor sobre la fila: borde iluminado */
.technique-card::before {
  content: "";
  position: absolute;
  inset: 0 -1.5rem;
  z-index: -1;
  background: radial-gradient(24rem 16rem at var(--px, 50%) var(--py, 50%), rgba(108, 23, 58, .5), transparent 70%);
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.technique-card:hover::before { opacity: 1; }
.technique-card:hover { border-color: var(--line-strong); }

.technique-number {
  color: var(--accent);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .1em;
  transition: transform .5s var(--spring);
}
.technique-card:hover .technique-number { transform: translateY(-4px); }

.technique-card img {
  height: 16.5rem;
  object-fit: cover;
  filter: saturate(.72) contrast(1.06);
  transition: filter .6s var(--ease), transform .8s var(--ease);
}
.technique-card:hover img { filter: saturate(1) contrast(1.02); transform: scale(1.02); }

.technique-copy { padding: .2rem 0; }
.technique-copy h3 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: .96;
}
.technique-copy p {
  max-width: 48ch;
  margin: 1.1rem 0 0;
  color: var(--paper-dim);
  font-size: .9rem;
  line-height: 1.78;
}
.technique-copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}
.technique-copy li {
  padding: .45rem .7rem;
  background: rgba(252, 242, 231, .05);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--paper-dim);
  font-size: .58rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------
   04 · PROCESO — sin corte a fondo crema; profundidad por superficie
   --------------------------------------------------------------- */
.process { background: var(--surface-1); }
.process-heading {
  display: grid;
  grid-template-columns: 1.25fr .6fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
  margin: clamp(3.5rem, 7vw, 7rem) 0;
}
.process-heading h2 { font-size: clamp(2.6rem, 5.4vw, 6rem); }
.process-heading > p { max-width: 44ch; margin: 0; color: var(--paper-dim); line-height: 1.82; }

.process-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.process-list li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.5rem;
  min-height: 15rem;
  padding: 2.4rem 2.5rem 2.4rem 0;
  border-bottom: 1px solid var(--line);
  transition: background .4s;
}
.process-list li:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 3rem; }
.process-list li:hover { background: rgba(252, 242, 231, .03); }
.process-list li > span {
  color: var(--accent);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .1em;
}
.process-kicker {
  margin: .2rem 0 1.6rem;
  color: var(--paper-mute);
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.process-list h3 { font-size: clamp(1.5rem, 2.2vw, 2.1rem); font-weight: 600; letter-spacing: -.03em; }
.process-list li div > p:last-child {
  max-width: 34ch;
  margin: 1.2rem 0 0;
  color: var(--paper-dim);
  font-size: .88rem;
  line-height: 1.78;
}

/* Matriz de selección — tabla de ficha, no tarjeta genérica */
.capability-matrix {
  display: grid;
  grid-template-columns: .62fr 1.38fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line-strong);
}
.matrix-intro h3 {
  margin: 1.6rem 0 0;
  max-width: 18ch;
  font-size: clamp(1.5rem, 2.3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.12;
}
.matrix-table { width: 100%; }
.matrix-row {
  display: grid;
  grid-template-columns: 1.3fr .9fr .9fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.15rem .4rem;
  border-bottom: 1px solid var(--line);
  transition: background .35s, padding-left .35s var(--ease);
}
.matrix-row:not(.matrix-header):hover { background: rgba(252, 242, 231, .04); padding-left: 1rem; }
.matrix-row span { color: var(--paper-dim); font-size: .84rem; }
.matrix-row strong { font-size: .95rem; font-weight: 600; color: var(--paper); letter-spacing: -.01em; }
.matrix-header { padding-bottom: .8rem; border-bottom-color: var(--line-strong); }
.matrix-header span {
  color: var(--accent);
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------
   05 · DISTINGUE — split fijo con el vidrio en 3D
   --------------------------------------------------------------- */
.values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 8rem);
  /* Anula section-pad: el visual pegajoso debe llegar al borde de la sección,
     si no sobresale 100dvh por debajo del viewport y corta la pieza. */
  padding: 0;
  background: var(--ink);
  border-top: 1px solid var(--line);
}
.values-visual {
  position: sticky;
  top: 0;
  height: 100dvh;
  align-self: start;
  overflow: hidden;
  background: radial-gradient(circle at 50% 48%, var(--wine-500), var(--ink) 70%);
}
.values-visual img,
.values-visual model-viewer {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
/* object-fit no aplica a model-viewer: el encuadre lo fija la cámara */
.values-visual img { object-fit: cover; }
.values-visual img { opacity: 0; }
.values-visual model-viewer { --poster-color: transparent; }
.values-visual > span {
  position: absolute;
  z-index: 3;
  left: 1.5rem; bottom: 1.5rem;
  color: var(--paper-mute);
  font-size: .6rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.values-copy { padding: clamp(5rem, 9vw, 10rem) var(--pad) clamp(6rem, 11vw, 12rem) 0; }
.value {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
}
.value > span { color: var(--accent); font-size: .9rem; font-weight: 600; letter-spacing: .1em; }
.value h3 { font-size: clamp(1.5rem, 2.3vw, 2.2rem); font-weight: 600; letter-spacing: -.03em; }
.value p { max-width: 40ch; margin: 1rem 0 0; color: var(--paper-dim); font-size: .9rem; line-height: 1.78; }

/* ---------------------------------------------------------------
   06 · SECTORES — rejilla rota, alturas y offsets distintos
   --------------------------------------------------------------- */
.sectors { max-width: var(--max); margin: 0 auto; }
.sectors > h2 { margin: clamp(3rem, 6vw, 5.5rem) 0 clamp(3rem, 6vw, 5rem); font-size: clamp(2.6rem, 5.4vw, 6rem); }

.sector-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  align-items: start;
  gap: 1.1rem;
}
.sector-card {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  box-shadow: var(--shadow-md);
}
.sector-card:nth-child(1) { aspect-ratio: 3 / 4; }
/* Offsets deliberados: rompen la fila perfecta */
.sector-card:nth-child(2) { aspect-ratio: 4 / 5; margin-top: clamp(2rem, 5vw, 5rem); }
.sector-card:nth-child(3) { aspect-ratio: 1 / 1; margin-top: clamp(4rem, 9vw, 9rem); }

.sector-card img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  filter: saturate(.8);
  transition: transform 1s var(--ease), filter .6s;
}
.sector-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(26, 23, 25, .92));
}
.sector-card:hover img { transform: scale(1.05); filter: saturate(1); }
.sector-card > div { position: absolute; z-index: 2; inset: auto 1.6rem 1.6rem; }
.sector-card span {
  color: var(--accent);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .18em;
}
.sector-card h3 { margin: .7rem 0 0; font-size: clamp(1.6rem, 2.6vw, 2.6rem); font-weight: 700; letter-spacing: -.04em; line-height: .98; }
.sector-card p { max-width: 26ch; margin: .9rem 0 0; color: var(--paper-dim); font-size: .82rem; line-height: 1.6; }

/* ---------------------------------------------------------------
   07 · CASO DE ESTUDIO — el único momento invertido, deliberado
   --------------------------------------------------------------- */
.case-study {
  background: var(--cream);
  color: var(--wine-500);
}
.case-study .section-tag,
.case-study .eyebrow { color: rgba(108, 23, 58, .62); }
.case-study .section-tag span,
.case-study .eyebrow span { color: var(--wine-400); }
.case-study .section-tag::after,
.case-study .eyebrow::after { background: linear-gradient(90deg, rgba(108, 23, 58, .28), transparent); }
.case-study .section-head { border-bottom-color: rgba(108, 23, 58, .2); }
.case-study .section-head > p { color: rgba(108, 23, 58, .62); }
.case-study h2 em { color: var(--wine-400); }

.case-title {
  display: grid;
  grid-template-columns: 1.25fr .6fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  margin: clamp(3.5rem, 7vw, 7rem) 0;
}
.case-title h2 { font-size: clamp(2.8rem, 5.6vw, 6.4rem); }
.case-title > p { max-width: 42ch; margin: 0; color: rgba(108, 23, 58, .78); line-height: 1.82; }

.case-gallery { display: grid; grid-template-columns: 1.08fr .92fr; gap: 1.1rem; }
.case-stack { display: grid; grid-template-rows: 1.15fr .85fr; gap: 1.1rem; }
.case-shot { margin: 0; overflow: hidden; background: var(--wine-700); box-shadow: var(--shadow-md); }
.case-shot img {
  width: 100%;
  height: calc(100% - 2.9rem);
  object-fit: cover;
  transition: transform 1s var(--ease);
}
.case-shot:hover img { transform: scale(1.03); }
.case-shot figcaption {
  height: 2.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.1rem;
  color: var(--paper-dim);
  font-size: .58rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.material-spec {
  padding: clamp(1.6rem, 3vw, 2.6rem);
  background: var(--cream);
  color: var(--wine-500);
  border-top: 2px solid var(--wine-500);
  box-shadow: var(--shadow-md);
}
.material-spec .eyebrow { color: rgba(252, 242, 231, .6); }
.material-spec .eyebrow span { color: var(--accent-light); }
.material-spec .eyebrow::after { background: linear-gradient(90deg, rgba(252,242,231,.3), transparent); }
.material-spec dl { margin: 1.8rem 0 0; }
.material-spec dl div {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 1rem;
  padding: .85rem 0;
  border-top: 1px solid rgba(252, 242, 231, .18);
}
.material-spec dt { color: rgba(252, 242, 231, .62); font-size: .65rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; }
.material-spec dd { margin: 0; font-size: .86rem; font-weight: 500; }

/* Flujo del arte — carril horizontal con anchos desiguales */
.artwork-flow {
  margin-top: clamp(4.5rem, 9vw, 9rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(108, 23, 58, .2);
}
.artwork-intro {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}
.artwork-intro .eyebrow { grid-column: 1 / -1; margin-bottom: 1.6rem; }
.artwork-intro h3 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(1.7rem, 3vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.02;
}
.artwork-note { max-width: 46ch; margin: 0; color: rgba(108, 23, 58, .78); font-size: .9rem; line-height: 1.8; }

.artwork-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
  gap: 1rem;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: artwork;
}
/* Escalonado vertical: registro de prueba, no cuatro cajas iguales */
.artwork-steps li:nth-child(2) { margin-top: clamp(1rem, 2.5vw, 2.5rem); }
.artwork-steps li:nth-child(3) { margin-top: clamp(2rem, 5vw, 5rem); }
.artwork-steps li:nth-child(4) { margin-top: clamp(3rem, 7.5vw, 7.5rem); }

.artwork-steps li {
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  color: var(--paper);
  border-top: 2px solid var(--accent-wine, #6c173a);
  box-shadow: var(--shadow-md);
  transition: transform .6s var(--spring);
}
.artwork-steps li:hover { transform: translateY(-6px); }
.artwork-steps img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--wine-700);
}
.artwork-steps li > div { padding: 1.15rem 1.2rem 1.5rem; }
.artwork-steps span { color: var(--accent-light); font-size: .6rem; font-weight: 600; letter-spacing: .18em; }
.artwork-steps h4 { margin: .55rem 0 .5rem; font-size: 1.2rem; font-weight: 600; letter-spacing: -.02em; }
.artwork-steps p { margin: 0; color: rgba(252, 242, 231, .72); font-size: .76rem; line-height: 1.6; }

/* ---------------------------------------------------------------
   08 · CONTACTO
   --------------------------------------------------------------- */
.contact {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
  max-width: var(--max);
  margin: 0 auto;
}
.contact-main { grid-column: 1 / -1; }
.contact h2 { margin: 1.8rem 0 0; font-size: clamp(2.6rem, 6vw, 7rem); }
.contact-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem 2.2rem; margin-top: 2.6rem; }

.brief-card {
  padding: clamp(1.8rem, 3.5vw, 3rem);
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--line), var(--shadow-md);
}
.brief-card h3 { margin: 1.5rem 0 0; max-width: 20ch; font-size: clamp(1.4rem, 2.2vw, 2rem); font-weight: 600; letter-spacing: -.03em; line-height: 1.14; }
.brief-card ul { margin: 2rem 0 0; padding: 0; list-style: none; }
.brief-card li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: .8rem;
  padding: .95rem 0;
  border-top: 1px solid var(--line);
  color: var(--paper-dim);
  font-size: .86rem;
}
.brief-card li span { color: var(--accent); font-weight: 600; font-size: .7rem; letter-spacing: .1em; }
.brief-card .text-link { margin-top: 1.8rem; }

.contact-card {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.5rem;
  padding: clamp(1.4rem, 2.5vw, 2rem);
  background: var(--surface-2);
  border-top: 2px solid var(--accent-wine, #6c173a);
  box-shadow: var(--shadow-md);
}
.contact-card img { align-self: start; background: var(--cream); padding: .5rem; }
.contact-label { margin: 0 0 .9rem; color: rgba(252, 242, 231, .6); font-size: .6rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
.contact-card a { display: block; margin-bottom: .45rem; font-size: .92rem; font-weight: 500; transition: color .3s; }
.contact-card a:hover { color: var(--accent-light); }
.contact-card address { margin-top: 1rem; color: rgba(252, 242, 231, .72); font-size: .78rem; font-style: normal; line-height: 1.6; }

/* ---------------------------------------------------------------
   Pie
   --------------------------------------------------------------- */
.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1.5rem 2.5rem;
  padding: 2.6rem var(--pad);
  border-top: 1px solid var(--line);
  background: var(--surface-1);
}
.site-footer p,
.site-footer > a:not(.brand) {
  margin: 0;
  color: var(--paper-mute);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.site-footer > a:not(.brand):hover { color: var(--paper); }
.footer-legal { display: flex; gap: 1.4rem; }

/* ---------------------------------------------------------------
   Entrada escalonada
   --------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .9s var(--ease), transform 1s var(--spring);
}
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal.is-visible { opacity: 1; transform: none; }

[data-words] .word {
  display: inline-block;
  opacity: .16;
  transform: translateY(.16em);
  transition: opacity .55s var(--ease), transform .55s var(--spring);
  transition-delay: calc(var(--i, 0) * 38ms);
}
[data-words].is-visible .word { opacity: 1; transform: none; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 8rem var(--pad) 3.5rem; }
  .hero-stage { min-height: 74dvh; }
  .hero-stage model-viewer { min-height: 74dvh; }
  .hero-index { display: none; }

  .techniques, .capability-matrix { grid-template-columns: 1fr; }
  .techniques-intro { position: static; }
  .manifesto-grid, .process-heading, .case-title, .artwork-intro { grid-template-columns: 1fr; gap: 2rem; }
  .sector-grid { grid-template-columns: 1fr 1fr; }
  .sector-card:nth-child(3) { margin-top: 0; }
  .artwork-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .artwork-steps li:nth-child(n) { margin-top: 0; }
  .artwork-steps li:nth-child(2), .artwork-steps li:nth-child(4) { margin-top: clamp(1rem, 3vw, 3rem); }
  .contact { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .values-visual { position: relative; height: 68dvh; }
  .values-copy { padding: 5rem var(--pad); }
}

@media (max-width: 860px) {
  .desktop-nav, .header-cta { display: none; }
  .site-header { grid-template-columns: 1fr auto; }

  .menu-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    justify-self: end;
    width: 44px; height: 44px;
    padding: 0 10px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-button span { display: block; height: 1.5px; background: var(--cream); transition: transform .4s var(--spring), opacity .3s; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.6rem;
    padding: var(--pad);
    background: var(--ink);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-1.5rem);
    transition: opacity .4s, transform .5s var(--spring), visibility .4s;
  }
  .mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }
  .mobile-menu a { font-size: 2rem; font-weight: 600; letter-spacing: -.04em; }
  .mobile-menu a:last-child { margin-top: 1rem; color: var(--accent); font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
}

@media (max-width: 760px) {
  :root { --pad: 1.25rem; }

  .hero h1 { font-size: clamp(2.8rem, 13vw, 4.4rem); }
  .hero-meta { grid-template-columns: 1fr; gap: .8rem; }
  .hero-meta div { align-items: center; }
  .model-controls { right: 1rem; bottom: 1rem; }
  .model-controls button { padding: 0 .7rem; font-size: .52rem; }
  .drag-note, .stage-measure { display: none; }

  .technique-card { grid-template-columns: 2.4rem 1fr; }
  .technique-card img { grid-column: 2; height: 15rem; }
  .technique-copy { grid-column: 2; }

  .process-list { grid-template-columns: 1fr; }
  .process-list li,
  .process-list li:nth-child(odd) { min-height: auto; padding: 2rem 0; border-right: 0; }

  .matrix-row { grid-template-columns: 1.2fr .9fr; }
  .matrix-row span:last-child, .matrix-header span:last-child { display: none; }

  .sector-grid, .case-gallery, .artwork-steps { grid-template-columns: 1fr; }
  .sector-card:nth-child(n) { margin-top: 0; aspect-ratio: 4 / 5; }
  .case-stack { grid-template-rows: auto auto; }
  .case-shot img { min-height: 22rem; }
  .artwork-steps li:nth-child(n) { margin-top: 0; }

  .contact-card { grid-template-columns: 6rem 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-legal { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .marquee-track.is-running { animation: none; }
  .reveal { opacity: 1; transform: none; }
  [data-words] .word { opacity: 1; transform: none; }
  .scroll-progress { display: none; }
}

/* =====================================================================
   IMPRESIÓN — ?print
   ===================================================================== */
@media print {
  @page { size: A4 landscape; margin: 0; }

  body { background: var(--ink); print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .page-noise, .cursor-glow, .scroll-progress, .skip-link,
  .site-header, .mobile-menu, .model-controls, .drag-note,
  .hero-index, .marquee, .site-footer { display: none !important; }

  .reveal, [data-words] .word { opacity: 1 !important; transform: none !important; }

  .hero, .manifesto, .techniques, .process, .values,
  .sectors, .case-study, .contact { break-before: page; min-height: 100vh; }
  .hero { break-before: auto; }
  .hero-copy { padding-top: 3.5rem; }

  model-viewer { display: none !important; }
  .stage-poster { opacity: 1 !important; }
  .hero-stage { min-height: 100vh; }

  .techniques-intro, .values-visual { position: static; }
  .values-visual { height: 60vh; }
  .values-visual img { opacity: 1; }

  .manifesto, .case-study, .sectors { padding-bottom: 0 !important; }
  .case-gallery, .sector-grid, .artwork-steps { break-inside: avoid; }
  .artwork-flow { break-before: page; padding-top: 2rem; }
  .artwork-steps { grid-template-columns: repeat(4, 1fr); }
  .artwork-steps li:nth-child(n) { margin-top: 0; }
  .sector-card:nth-child(n) { margin-top: 0; }
}

/* ============================================================
   La hoja compartida carga después y redefine --accent al vino.
   Sobre el lienzo oscuro de la presentación el vino no contrasta,
   así que aquí el acento vuelve a ser la crema y el vino queda
   reservado para marcas pequeñas sobre fondo claro.
   Selector de mayor especificidad que :root, a propósito.
   ============================================================ */
body.unified-presentation {
  --accent: var(--cream);
  --accent-light: var(--cream);
  --accent-wine: #6c173a;
}