/* =========================================================
   AleNode · Automatizaciones a medida
   Dirección artística: negro profundo, marfil, ámbar cálido
   ========================================================= */

@font-face {
  font-family: 'Instrument Serif';
  src: url('../assets/fonts/instrument-serif-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Var';
  src: url('../assets/fonts/inter-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* --- fondos: ya no es negro plano, hay una escala cálida --- */
  --ink:      #0b0907;   /* el más profundo, solo para el hero */
  --walnut:   #17110d;   /* fondo base de la página */
  --espresso: #201710;   /* secciones alternas, un punto más claras */
  --cocoa:    #2b1f16;   /* tarjetas y superficies elevadas */
  --carbon:   #140f0b;
  --graphite: #241a13;

  --ivory:      #f6f0e6;
  /* Contraste subido: sobre fondo oscuro, por debajo de .55 el texto
     largo se lee mal y no llega a AA. */
  --ivory-70:   rgba(246, 240, 230, .84);
  --ivory-45:   rgba(246, 240, 230, .64);
  --ivory-22:   rgba(246, 240, 230, .28);
  --ivory-10:   rgba(246, 240, 230, .13);

  /* --- acentos: el ámbar deja de ir solo --- */
  --amber:        #e8ad61;
  --amber-bright: #f9d9a8;
  --brass:        #c08d4c;
  --clay:         #c9714a;   /* terracota, para lo urgente y los contrapuntos */
  --clay-soft:    #e0a184;
  --sage:         #93a181;   /* verde apagado, para lo resuelto */
  --sky:          #7f9aa6;   /* azul grisáceo, muy puntual */

  --serif: 'Instrument Serif', ui-serif, 'Iowan Old Style', Palatino, Georgia, serif;
  --sans:  'Inter Var', ui-sans-serif, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --gutter: clamp(1.25rem, 5vw, 5.5rem);
  --measure: 62rem;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--walnut);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: clamp(1.06rem, 1rem + .25vw, 1.15rem);
  line-height: 1.68;
  font-weight: 380;
  letter-spacing: .002em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--amber); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--amber-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: .5rem; left: .5rem;
  z-index: 999;
  padding: .7rem 1.1rem;
  background: var(--amber);
  color: var(--ink);
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform .25s var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); }

/* ============ PANTALLA DE CARGA ============ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: grid;
  place-items: center;
  background: var(--ink);
  transition: opacity .8s var(--ease), visibility .8s;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__inner { text-align: center; width: min(20rem, 70vw); }
.loader__brand {
  margin: 0 0 1.6rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 6vw, 2.9rem);
  letter-spacing: .06em;
  color: var(--ivory);
}
.loader__bar {
  height: 1px;
  background: var(--ivory-10);
  overflow: hidden;
}
.loader__fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--amber);
  transition: width .35s var(--ease-out);
}
.loader__pct {
  margin: .9rem 0 0;
  font-size: .82rem;
  letter-spacing: .28em;
  color: var(--ivory-45);
  font-variant-numeric: tabular-nums;
}

/* ============ NAVEGACIÓN ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.35rem var(--gutter);
  mix-blend-mode: normal;
  transition: background .5s var(--ease), backdrop-filter .5s var(--ease), padding .5s var(--ease);
}
.nav.is-solid {
  background: rgba(23, 17, 13, .80);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  padding-block: 1rem;
  border-bottom: 1px solid var(--ivory-10);
}
.nav__brand {
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: .08em;
  color: var(--ivory);
  text-decoration: none;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.2rem);
}
.nav__links a {
  font-size: .85rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ivory-70);
  text-decoration: none;
  transition: color .3s var(--ease);
}
.nav__links a:hover { color: var(--ivory); }
.nav__cta {
  padding: .55rem 1.1rem;
  border: 1px solid var(--ivory-22);
  color: var(--ivory) !important;
  transition: border-color .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
}
.nav__cta:hover { border-color: var(--amber); background: var(--amber); color: var(--ink) !important; }

.nav__toggle {
  display: none;
  width: 2.6rem; height: 2.6rem;
  background: none;
  border: 1px solid var(--ivory-22);
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 50%; width: 1.1rem; height: 1px;
  background: var(--ivory);
  transform: translateX(-50%);
  transition: transform .35s var(--ease), opacity .25s;
}
.nav__toggle span:nth-child(1) { top: calc(50% - 4px); }
.nav__toggle span:nth-child(2) { top: calc(50% + 3px); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateX(-50%) translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { transform: translateX(-50%) translateY(-3.5px) rotate(-45deg); }

/* ============ HERO ============ */
.hero { position: relative; }
/* Recorrido corto a propósito: la lista se ordena en poco más de una
   pantalla de scroll, sin obligar a bajar durante media página. */
.hero__track { height: 230vh; }

.hero__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

.hero__media { position: absolute; inset: 0; }

.hero__video,
.hero__still {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 52%;
}
.hero__still { opacity: 0; transition: opacity .6s var(--ease); }
.hero.is-static .hero__still { opacity: 1; }
.hero.is-static .hero__video { opacity: 0; }

.hero__grain {
  position: absolute;
  inset: -50%;
  pointer-events: none;
  opacity: .13;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.1s steps(4) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, 1%); }
  50%  { transform: translate(1%, -2%); }
  75%  { transform: translate(-1%, -1%); }
  100% { transform: translate(0, 0); }
}

.hero__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 85% at 50% 45%, transparent 40%, rgba(11,9,7,.55) 100%),
    linear-gradient(to bottom, rgba(11,9,7,.55) 0%, transparent 22%, transparent 62%, rgba(11,9,7,.86) 100%);
}

/* Capa de texto */
.hero__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  align-content: center;
  padding: 0 var(--gutter);
  text-align: center;
  pointer-events: none;
}

.hero__brand {
  margin: 0 0 clamp(1rem, 3vh, 2.2rem);
  font-family: var(--serif);
  font-size: clamp(.95rem, 1.4vw, 1.15rem);
  letter-spacing: .55em;
  text-indent: .55em;
  color: var(--ivory-70);
  text-transform: uppercase;
}

.hero__phrase {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.9rem, 10.5vw, 9.5rem);
  line-height: .96;
  letter-spacing: -.018em;
  color: var(--ivory);
  text-wrap: balance;
}
.hero__phrase .line {
  display: block;
  overflow: hidden;
}
.hero__phrase .line > span {
  display: block;
  will-change: transform;
}

.hero__model {
  margin: clamp(1.4rem, 4vh, 2.8rem) 0 0;
  font-size: clamp(.68rem, 1.1vw, .8rem);
  letter-spacing: .42em;
  text-indent: .42em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 500;
}

/* Capa superior enmascarada: el móvil pasa por delante del texto */
.hero__occluder {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  -webkit-mask-image: radial-gradient(ellipse 15% 42% at 50% 52%, #000 52%, transparent 82%);
  mask-image: radial-gradient(ellipse 15% 42% at 50% 52%, #000 52%, transparent 82%);
}
.hero__occluder.is-on { opacity: 1; }

.hero__hint {
  position: absolute;
  left: 50%;
  bottom: clamp(1.6rem, 4vh, 3rem);
  z-index: 4;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: .8rem;
  font-size: .79rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ivory-45);
  transition: opacity .5s var(--ease);
}
.hero__hint-line {
  width: 1px; height: 2.6rem;
  background: linear-gradient(to bottom, var(--amber), transparent);
  animation: hintPulse 2.6s var(--ease) infinite;
}
@keyframes hintPulse {
  0%, 100% { transform: scaleY(.4); opacity: .4; transform-origin: top; }
  50%      { transform: scaleY(1);  opacity: 1;  transform-origin: top; }
}

.hero__progress {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 5;
  height: 1px;
  background: var(--ivory-10);
}
.hero__progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, var(--brass), var(--amber-bright));
}

/* ============ SECCIONES ============ */
.section {
  position: relative;
  padding: clamp(6rem, 16vh, 12rem) 0;
}
.section--intro { padding-top: clamp(7rem, 20vh, 14rem); }

.wrap {
  width: 100%;
  max-width: 90rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.wrap--narrow { max-width: 68rem; }

.eyebrow {
  margin: 0 0 1.6rem;
  font-size: .82rem;
  letter-spacing: .38em;
  text-indent: .38em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 500;
}

.display {
  margin: 0 0 1.8rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.3rem, 6.2vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ivory);
  text-wrap: balance;
}
.display--sm { font-size: clamp(2rem, 4.6vw, 3.9rem); }

.lead {
  margin: 0;
  max-width: 44rem;
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  line-height: 1.72;
  color: var(--ivory-70);
}
.lead--sm { font-size: clamp(.98rem, 1.15vw, 1.08rem); }

/* Animación de entrada */
[data-anim] {
  opacity: 0;
  transform: translateY(2.2rem);
}
.no-anim [data-anim] { opacity: 1; transform: none; }

/* ============ INTRO EDITORIAL ============ */
.intro__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.intro__headline .display { margin-bottom: 0; }
.intro__copy { padding-top: clamp(.5rem, 3vh, 2.6rem); }
.intro__copy .lead + .lead { margin-top: 1.5rem; }
.lead--muted { color: var(--ivory-45); }

/* ============ DATOS DESTACADOS ============ */
/* Sin foto de fondo: color plano cálido y una regla de acento arriba.
   Cada dato lleva su propio color, para que no sea todo ámbar. */
.facts {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  margin: clamp(3.5rem, 9vh, 6rem) 0 0;
  padding: clamp(2rem, 4vh, 2.8rem) clamp(1.4rem, 3vw, 2.6rem);
  list-style: none;
  background: var(--espresso);
  border-top: 2px solid var(--brass);
}
.fact { padding-top: 0; }
.fact + .fact { border-left: 1px solid var(--ivory-10); padding-left: clamp(1.5rem, 3vw, 3rem); }
.fact:nth-child(1) .fact__num { color: var(--clay-soft); }
.fact:nth-child(2) .fact__num { color: var(--amber); }
.fact:nth-child(3) .fact__num { color: var(--sage); }
.fact__num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.fact__label {
  display: block;
  margin-top: .9rem;
  max-width: 18rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ivory-45);
}

/* ============ UN DÍA CUALQUIERA · concepto + cadena ============ */
.section--day {
  background:
    radial-gradient(90% 50% at 50% 38%, rgba(192,141,76,.13) 0%, transparent 62%),
    var(--espresso);
}

.day {
  max-width: 92rem;
  margin: clamp(3.5rem, 9vh, 6rem) auto 0;
  padding: 0 var(--gutter);
}
.day__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--ivory-10);
}
.day__label {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1;
  color: var(--ivory);
}
.day__hint {
  margin: 0;
  font-size: .80rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--brass);
}

/* ---- la línea del día: las horas son las protagonistas ---- */
.day__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: clamp(2rem, 4vh, 3rem);
}
/* Cada hora es una tarjeta que se ve pulsable: borde propio, sube al
   pasar por encima y, al elegirla, se enciende en su color y lanza un
   conector hacia la mesa de abajo. */
.moment {
  --tone: var(--amber);
  --tone-soft: var(--amber-bright);
  --tone-rgb: 232,173,97;
  position: relative;
  display: grid;
  gap: .45rem;
  padding: clamp(1.4rem, 2.6vw, 2rem) clamp(1rem, 2vw, 1.5rem) clamp(1.3rem, 2.6vw, 1.8rem);
  text-align: left;
  background: rgba(246,240,230,.02);
  border: 1px solid var(--ivory-10);
  cursor: pointer;
  transition: background .4s var(--ease), border-color .4s var(--ease), transform .35s var(--ease), box-shadow .4s var(--ease);
}
/* Se solapan los bordes para que la fila lea como un grupo */
.moment + .moment { margin-left: -1px; }
.moment:nth-child(1) { --tone: var(--sky);   --tone-soft: #b3c8d1; --tone-rgb: 127,154,166; }
.moment:nth-child(2) { --tone: var(--sage);  --tone-soft: #bcc7aa; --tone-rgb: 147,161,129; }
.moment:nth-child(3) { --tone: var(--clay);  --tone-soft: var(--clay-soft); --tone-rgb: 201,113,74; }
.moment:nth-child(4) { --tone: var(--amber); --tone-soft: var(--amber-bright); --tone-rgb: 232,173,97; }

.moment:hover {
  background: rgba(var(--tone-rgb), .07);
  border-color: rgba(var(--tone-rgb), .5);
  transform: translateY(-3px);
  z-index: 2;
}
.moment.is-active {
  background: rgba(var(--tone-rgb), .13);
  border-color: var(--tone);
  z-index: 3;
  box-shadow: 0 -2px 0 0 var(--tone) inset;
}
/* Conector: un triángulo del color de la hora que apunta a la mesa */
.moment.is-active::after {
  content: '';
  position: absolute;
  left: 50%; bottom: -1px;
  width: 0; height: 0;
  transform: translate(-50%, 100%);
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-top: 12px solid var(--tone);
  filter: drop-shadow(0 3px 4px rgba(var(--tone-rgb), .4));
}

/* Señal de "pulsable" siempre visible, arriba a la derecha de cada hora */
.moment__tap {
  position: absolute;
  top: clamp(1rem, 2vw, 1.4rem);
  right: clamp(1rem, 2vw, 1.4rem);
  width: 1.5rem; height: 1.5rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--ivory-22);
  color: var(--ivory-45);
  font-size: .9rem;
  line-height: 1;
  transition: border-color .35s var(--ease), color .35s var(--ease), background .35s var(--ease), transform .35s var(--ease);
}
.moment:hover .moment__tap {
  border-color: var(--tone);
  color: var(--tone-soft);
  transform: scale(1.1);
}
.moment.is-active .moment__tap {
  background: var(--tone);
  border-color: var(--tone);
  color: var(--ink);
}

/* La hora, en grande y en serif: es el gancho de la historia */
.moment__time {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: .92;
  letter-spacing: -.01em;
  color: var(--ivory-22);
  font-variant-numeric: tabular-nums;
  transition: color .45s var(--ease);
}
.moment.is-active .moment__time { color: var(--tone-soft); }
.moment:hover .moment__time { color: var(--ivory-45); }
.moment.is-active:hover .moment__time { color: var(--tone-soft); }

/* El punto sobre la línea del tiempo */
.moment__dot {
  position: relative;
  width: 100%;
  height: 1px;
  margin: .45rem 0 .7rem;
  background: var(--ivory-10);
}
.moment__dot::after {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 9px; height: 9px;
  margin-top: -4.5px;
  border-radius: 50%;
  background: var(--espresso);
  border: 1px solid var(--ivory-22);
  transition: background .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.moment.is-active .moment__dot::after {
  background: var(--tone);
  border-color: var(--tone);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--tone) 20%, transparent);
}

.moment__channel {
  font-size: 1.06rem;
  color: var(--ivory);
  letter-spacing: .01em;
}
.moment.is-active .moment__channel { color: var(--tone-soft); }
.moment__quote {
  font-size: .92rem;
  line-height: 1.5;
  color: var(--ivory-45);
}



/* ---- la mesa ---- */
.chain__desk {
  position: relative;
  padding: clamp(2rem, 5vw, 3.4rem) clamp(1.2rem, 3vw, 2.6rem) clamp(1.6rem, 4vw, 2.6rem);
  overflow: hidden;
  isolation: isolate;
}
/* Mesa real de roble, vista cenital. Va casi a plena luz: si la
   oscureces para "integrarla", la veta se pierde y solo queda un
   manchón marrón. La legibilidad la resuelven las tarjetas de
   encima, que son opacas, no un velo sobre la madera. */
.chain__surface {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url('../assets/textures/mesa.webp');
  background-size: cover;
  background-position: center 40%;
}
/* Los bordes se funden con el fondo de la sección para que la mesa
   no quede como una foto pegada con un recuadro. */
.chain__surface::before {
  content: '';
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(120% 130% at 50% 45%, transparent 32%, rgba(32,23,16,.55) 66%, var(--espresso) 97%),
    linear-gradient(to bottom, rgba(32,23,16,.45) 0%, transparent 18%, transparent 76%, rgba(32,23,16,.72) 100%);
}
.chain__surface::after {
  content: '';
  position: absolute;
  inset: 0;
  /* Un resto del haz de luz de la propia foto, reforzado */
  background: radial-gradient(58% 52% at 62% 34%, rgba(249,217,168,.14), transparent 72%);
}

/* La mesa hereda el color de la hora elegida (lo fija el JS) y lleva un
   filo de ese color arriba, que enlaza con el triángulo de la hora. */
.chain__desk {
  --tone-rgb: 232,173,97;
  box-shadow: inset 0 3px 0 0 rgba(var(--tone-rgb), .75);
  transition: box-shadow .5s var(--ease);
}

/* ---- el raíl por el que viaja el aviso ---- */
.chain__rail {
  position: relative;
  height: 1px;
  margin: 0 6% clamp(1.6rem, 3vh, 2.2rem);
  background: rgba(246,240,230,.18);
}
.chain__rail-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(to right, rgba(var(--tone-rgb), .5), rgb(var(--tone-rgb)));
  transition: background .5s var(--ease);
}
.chain__token {
  position: absolute;
  top: 50%;
  left: 0;
  width: 12px; height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: rgb(var(--tone-rgb));
  box-shadow: 0 0 0 5px rgba(var(--tone-rgb), .18), 0 0 22px 6px rgba(var(--tone-rgb), .55);
  transition: background .5s var(--ease), box-shadow .5s var(--ease);
}

/* ---- las cuatro estaciones ---- */
.chain__stations {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(.6rem, 1.4vw, 1.1rem);
  margin: 0;
  padding: 0;
  list-style: none;
}
/* Tarjetas opacas apoyadas sobre la mesa, con sombra de contacto:
   así el texto se lee sin tener que apagar la madera. */
.station {
  position: relative;
  min-height: 12.5rem;
  padding: 1.2rem 1.25rem;
  background: var(--carbon);
  border: 1px solid rgba(246,240,230,.10);
  box-shadow: 0 22px 48px rgba(11,9,7,.72), 0 3px 8px rgba(11,9,7,.6);
  transition: border-color .5s var(--ease), background .5s var(--ease), transform .5s var(--ease), box-shadow .5s var(--ease);
}
.station.is-on {
  border-color: rgba(var(--tone-rgb), .85);
  /* Tarjeta entera teñida del color de la hora, sobre una base oscura
     para que el texto marfil se siga leyendo bien. */
  background:
    linear-gradient(158deg, rgba(var(--tone-rgb), .42) 0%, rgba(var(--tone-rgb), .22) 100%),
    var(--carbon);
  transform: translateY(-5px);
  box-shadow: 0 30px 60px rgba(11,9,7,.8), 0 0 30px rgba(var(--tone-rgb), .22);
}
.station__idx {
  display: block;
  font-size: .77rem;
  letter-spacing: .2em;
  color: var(--ivory-22);
  font-variant-numeric: tabular-nums;
  transition: color .5s var(--ease);
}
.station.is-on .station__idx { color: rgb(var(--tone-rgb)); }
.station__name {
  margin: .5rem 0 .7rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  line-height: 1;
  color: var(--ivory);
}
.station__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.58;
  color: var(--ivory-70);
  opacity: 0;
  transform: translateY(8px);
}

/* ---- el resultado ---- */
.chain__result {
  display: grid;
  gap: .5rem;
  margin-top: clamp(1.4rem, 3vh, 2rem);
  padding: 1.5rem 1.6rem;
  text-align: center;
  border: 1px solid rgba(var(--tone-rgb), .5);
  background: rgba(var(--tone-rgb), .10);
  opacity: 0;
  transform: translateY(10px);
  transition: border-color .5s var(--ease), background .5s var(--ease);
}
.chain__result-label {
  font-size: .77rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgb(var(--tone-rgb));
}
.chain__result-text {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.25;
  color: var(--ivory);
}
.chain__result-time {
  font-size: .82rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ivory-45);
  font-variant-numeric: tabular-nums;
}

.chain__replay {
  display: block;
  margin: clamp(1.4rem, 3vh, 2rem) auto 0;
  padding: .8rem 1.8rem;
  background: none;
  border: 1px solid var(--ivory-22);
  color: var(--ivory-70);
  font-size: .8rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.chain__replay:hover { border-color: var(--amber); color: var(--amber); }



/* ============ LAS PIEZAS · apartado protagonista ============ */
.section--pieces {
  padding-top: clamp(6rem, 16vh, 12rem);
  padding-bottom: clamp(4rem, 10vh, 7rem);
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(232,173,97,.07) 0%, transparent 60%),
    var(--walnut);
}
/* Un color por pieza: rojo, amarillo y verde, para que las tres
   no se confundan entre sí y rompan el negro corrido. */
.piece:nth-of-type(1) { --tone: var(--clay);  --tone-soft: var(--clay-soft); --tone-rgb: 201,113,74; }
.piece:nth-of-type(2) { --tone: var(--amber); --tone-soft: var(--amber-bright); --tone-rgb: 232,173,97; }
.piece:nth-of-type(3) { --tone: var(--sage);  --tone-soft: #b9c4a6;          --tone-rgb: 147,161,129; }
.piece__num       { -webkit-text-stroke-color: var(--tone) !important; }
.piece__tag       { color: var(--tone-soft) !important; }
.piece__step-n    { color: var(--tone) !important; }
.piece__metrics dd { color: var(--tone-soft) !important; }
.piece__for span  { color: var(--tone) !important; }
/* --- cabecera de la sección: "aquí viene lo gordo" --- */
.pieces__intro {
  max-width: 60rem;
  margin: 0 auto clamp(3.5rem, 10vh, 7rem);
  padding: 0 var(--gutter);
  text-align: center;
}
.pieces__marker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin-bottom: clamp(1.6rem, 4vh, 2.6rem);
}
.pieces__marker-line {
  height: 1px;
  width: clamp(3rem, 12vw, 8rem);
  background: linear-gradient(to var(--dir, right), transparent, var(--ivory-22));
}
.pieces__marker-line:last-child { --dir: left; }
.pieces__marker-dots { display: flex; gap: .5rem; }
.pieces__marker-dots i {
  width: 7px; height: 7px;
  border-radius: 50%;
}
.pieces__marker-dots i:nth-child(1) { background: var(--clay); }
.pieces__marker-dots i:nth-child(2) { background: var(--amber); }
.pieces__marker-dots i:nth-child(3) { background: var(--sage); }
.pieces__eyebrow { color: var(--brass); }
.pieces__title { margin-inline: auto; }
.pieces__sub { margin-inline: auto; }

.piece {
  position: relative;
  padding: clamp(3.5rem, 10vh, 7rem) 0;
  /* Cada pieza respira su color: un halo tenue arriba y un lavado
     diagonal, sobre fondos que alternan para que no sea todo plano. */
  background:
    radial-gradient(80% 46% at 50% 0%, rgba(var(--tone-rgb), .14) 0%, transparent 60%),
    linear-gradient(115deg, rgba(var(--tone-rgb), .05) 0%, transparent 42%);
}
.piece:nth-of-type(odd)  { background-color: var(--walnut); }
.piece:nth-of-type(even) { background-color: var(--espresso); }

/* Separador de madera real entre piezas: una tira de la misma mesa,
   fundida por los lados para que sea un estante, no una foto pegada. */
.piece + .piece::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 82px;
  background-image:
    linear-gradient(to bottom, rgba(23,17,13,0) 0%, rgba(23,17,13,.5) 78%, var(--walnut) 100%),
    url('../assets/textures/mesa.webp');
  background-size: 100% 100%, 135% auto;
  background-position: center, center 42%;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 20%, #000 80%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 20%, #000 80%, transparent);
  opacity: .62;
  pointer-events: none;
}
/* La base del estante se funde con el color de su propia pieza */
.piece:nth-of-type(even)::before {
  background-image:
    linear-gradient(to bottom, rgba(32,23,16,0) 0%, rgba(32,23,16,.5) 78%, var(--espresso) 100%),
    url('../assets/textures/mesa.webp');
}
.piece + .piece::after {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: min(92%, 90rem);
  transform: translateX(-50%);
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(var(--tone-rgb), .5), transparent);
}
.piece__inner {
  position: relative;
  max-width: 96rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* --- pieza destacada: el producto estrella --- */
.piece--star {
  background:
    radial-gradient(78% 52% at 50% 0%, rgba(var(--tone-rgb), .22) 0%, transparent 62%),
    linear-gradient(115deg, rgba(var(--tone-rgb), .09) 0%, transparent 46%),
    var(--walnut);
}
/* Marco de luz con el color de la pieza, solo en la estrella */
.piece--star::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: min(94%, 92rem);
  transform: translateX(-50%);
  height: 2px;
  background: linear-gradient(to right, transparent, var(--tone), transparent);
  box-shadow: 0 0 22px 1px rgba(var(--tone-rgb), .6);
}
.piece__badge {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1.6rem;
  padding: .5rem 1.05rem;
  font-size: .80rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tone-soft);
  background: rgba(var(--tone-rgb), .12);
  border: 1px solid rgba(var(--tone-rgb), .5);
  border-radius: 999px;
}
.piece__badge span {
  color: var(--tone);
  font-size: .95rem;
  line-height: 1;
}

/* --- cabecera de la pieza --- */
.piece__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}
.piece__num {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  line-height: .8;
  color: transparent;
  -webkit-text-stroke: 1px var(--brass);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.piece__name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.8vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ivory);
}
.piece__tag {
  margin: .7rem 0 0;
  font-size: clamp(.92rem, 1.3vw, 1.08rem);
  color: var(--amber);
  letter-spacing: .01em;
}

/* --- cuerpo: escena + información --- */
.piece__body {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.piece--flip .piece__body { direction: rtl; }
.piece--flip .piece__body > * { direction: ltr; }

.piece__stage { position: sticky; top: 5.5rem; }

.scene {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid rgba(var(--tone-rgb), .28);
  /* El recuadro respira el color de su pieza en vez de ser negro plano */
  background:
    radial-gradient(75% 60% at 50% 34%, rgba(var(--tone-rgb), .22) 0%, transparent 62%),
    radial-gradient(circle at 55% 40%, #241a12 0%, #17110b 62%, #0d0906 100%);
  box-shadow: inset 0 0 60px rgba(var(--tone-rgb), .08);
}
.scene canvas { display: block; width: 100% !important; height: 100% !important; position: relative; z-index: 1; }
/* Marcador mientras carga la escena (o si no hay WebGL): sin fotografía */
.scene__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
}
.scene__fallback span {
  font-size: .79rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ivory-22);
}
.scene.is-live .scene__fallback { opacity: 0; transition: opacity .8s var(--ease); }
.scene__hint {
  position: absolute;
  left: 50%; bottom: .9rem;
  transform: translateX(-50%);
  padding: .42rem .9rem;
  font-size: .77rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ivory-45);
  background: rgba(23,17,13,.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
  white-space: nowrap;
}

.piece__lead {
  margin: 0 0 clamp(2rem, 4vh, 2.8rem);
  font-size: clamp(1rem, 1.25vw, 1.14rem);
  line-height: 1.72;
  color: var(--ivory-70);
}

/* --- los cuatro pasos --- */
.piece__steps {
  margin: 0 0 clamp(2rem, 4vh, 2.8rem);
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.piece__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--ivory-10);
}
.piece__steps li:last-child { border-bottom: 1px solid var(--ivory-10); }
.piece__step-n {
  font-size: .79rem;
  letter-spacing: .18em;
  color: var(--brass);
  padding-top: .34rem;
  font-variant-numeric: tabular-nums;
}
.piece__steps strong {
  display: block;
  font-weight: 550;
  font-size: 1.05rem;
  color: var(--ivory);
  letter-spacing: .01em;
}
.piece__steps p {
  margin: .3rem 0 0;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--ivory-45);
}

/* --- métricas --- */
.piece__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin: 0 0 clamp(1.6rem, 3vh, 2.2rem);
  padding: 1.6rem 0 0;
  border-top: 1px solid var(--ivory-22);
}
.piece__metrics dt {
  font-size: .79rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ivory-45);
  margin-bottom: .45rem;
}
.piece__metrics dd {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.piece__for {
  margin: 0;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--ivory-45);
}

/* --- botón de solicitud, del color de su pieza --- */
.piece__cta {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  margin-top: clamp(1.8rem, 4vh, 2.6rem);
  padding: 1.05rem 1.7rem;
  text-decoration: none;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 550;
  color: var(--ink);
  background: var(--tone);
  border: 1px solid var(--tone);
  transition: background .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.piece__cta:hover {
  background: var(--tone-soft);
  border-color: var(--tone-soft);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(var(--tone-rgb), .32);
}
.piece__cta-arrow {
  font-size: 1.1rem;
  transition: transform .3s var(--ease);
}
.piece__cta:hover .piece__cta-arrow { transform: translateX(4px); }
/* La estrella lleva un botón un punto más grande */
.piece--star .piece__cta { padding: 1.2rem 2rem; font-size: .86rem; }
.piece__for span {
  display: block;
  margin-bottom: .35rem;
  font-size: .79rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brass);
}

/* --- cierre del apartado --- */
.pieces__outro {
  margin-top: clamp(3rem, 8vh, 5rem);
  padding-top: clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid var(--ivory-10);
  text-align: center;
}
.pieces__outro p {
  margin: 0 0 1.8rem;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  color: var(--ivory-70);
}

/* ============ BOTONES ============ */
.btn {
  display: inline-block;
  padding: 1rem 2.1rem;
  font-size: .85rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 550;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn--tone { background: var(--tone, var(--amber)); color: var(--ink); border-color: var(--tone, var(--amber)); }
.btn--tone:hover { background: var(--tone-soft, var(--amber-bright)); transform: translateY(-2px); }
.btn--primary { background: var(--amber); color: var(--ink); }
.btn--primary:hover { background: var(--amber-bright); transform: translateY(-2px); }
.btn--ghost { border-color: var(--ivory-22); color: var(--ivory); background: none; }
.btn--ghost:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }
.btn--wide { width: 100%; }

/* ============ CONFÍAN · constelación de negocios ============ */
.section--trust {
  background:
    radial-gradient(100% 60% at 50% 12%, rgba(232,173,97,.10) 0%, transparent 60%),
    var(--espresso);
}
.trust__head { text-align: center; }
.trust__head .lead { margin-inline: auto; }
.trust__count {
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* El cielo con una estrella por negocio */
.trust__sky {
  position: relative;
  max-width: 72rem;
  height: clamp(15rem, 34vw, 24rem);
  margin: clamp(2.5rem, 6vh, 4rem) auto clamp(1.5rem, 4vh, 2.5rem);
  padding: 0 var(--gutter);
  overflow: hidden;
}
.star {
  position: absolute;
  width: clamp(1.5rem, 3.2vw, 2.4rem);
  height: clamp(1.5rem, 3.2vw, 2.4rem);
  transform: translate(-50%, -50%) scale(.4);
  opacity: 0;
  transition: opacity .6s var(--ease), transform .6s var(--ease-out);
}
.star svg { width: 100%; height: 100%; display: block; }
.star svg path {
  fill: rgba(246,240,230,.10);
  stroke: var(--ivory-22);
  stroke-width: .8;
  transition: fill .6s var(--ease), stroke .6s var(--ease), filter .6s var(--ease);
}
.star.is-lit {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.star.is-lit svg path {
  fill: var(--amber);
  stroke: var(--amber-bright);
  filter: drop-shadow(0 0 7px rgba(232,173,97,.7));
}
/* Un titileo suave, cada una a su ritmo, solo cuando ya está encendida */
.star.is-lit { animation: twinkle var(--tw, 3.2s) var(--ease) var(--d, 0s) infinite; }
@keyframes twinkle {
  0%, 100% { filter: none; }
  50%      { transform: translate(-50%, -50%) scale(1.12); }
}

.trust__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-bottom: clamp(3.5rem, 9vh, 6rem);
  padding-top: clamp(2rem, 5vh, 3rem);
  border-top: 1px solid var(--ivory-10);
  text-align: center;
}
.trust__stat-num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.trust__stat-unit { font-size: .5em; color: var(--ivory-45); }
.trust__stat-label {
  display: block;
  margin-top: .8rem;
  font-size: .92rem;
  line-height: 1.5;
  color: var(--ivory-45);
}
.trust__stat:nth-child(1) .trust__stat-num { color: var(--clay-soft); }
.trust__stat:nth-child(3) .trust__stat-num { color: var(--sage); }

.trust__body {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}
.trust__cta { text-align: left; }
.trust__cta-line {
  margin: 0 0 1.4rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.2;
  color: var(--ivory);
}

.premium__list { margin: 2.6rem 0; padding: 0; list-style: none; }
.premium__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--ivory-10);
}
.premium__list li:last-child { border-bottom: 1px solid var(--ivory-10); }
.premium__idx {
  font-size: .80rem;
  letter-spacing: .18em;
  color: var(--amber);
  padding-top: .28rem;
  font-variant-numeric: tabular-nums;
}
.premium__list strong { display: block; font-weight: 550; color: var(--ivory); font-size: 1.04rem; }
.premium__list p { margin: .35rem 0 0; font-size: .98rem; color: var(--ivory-45); line-height: 1.62; }

/* ============ FORMULARIO ============ */
.form {
  max-width: 52rem;
  margin: clamp(3rem, 8vh, 4.5rem) auto 0;
  padding: 0 var(--gutter);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.field { margin-bottom: 1.6rem; }
.field label {
  display: block;
  margin-bottom: .6rem;
  font-size: .82rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ivory-45);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: .95rem 1.05rem;
  background: rgba(246,240,230,.03);
  border: 1px solid var(--ivory-10);
  color: var(--ivory);
  font-size: 1.04rem;
  transition: border-color .3s var(--ease), background .3s var(--ease);
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 8rem; line-height: 1.6; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ivory-22); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--amber);
  background: rgba(246,240,230,.05);
  outline: none;
}
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--amber-bright);
  outline-offset: 2px;
}
.field input[readonly] { color: var(--ivory-70); cursor: default; }
.field select { appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ivory-45) 50%), linear-gradient(135deg, var(--ivory-45) 50%, transparent 50%);
  background-position: right 1.15rem center, right .95rem center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.field select option { background: var(--graphite); color: var(--ivory); }

.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #c8623f; }
.field__error {
  margin: .5rem 0 0;
  font-size: .88rem;
  color: #e08b68;
}
.field__hint {
  margin: .5rem 0 0;
  font-size: .88rem;
  color: var(--ivory-45);
}

.field--check { margin-top: .4rem; }
.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: start;
  cursor: pointer;
}
.check input {
  width: 1.1rem; height: 1.1rem;
  margin: .28rem 0 0;
  accent-color: var(--amber);
  flex: none;
}
.check span {
  font-size: .96rem;
  color: var(--ivory-70);
  line-height: 1.55;
  text-transform: none;
  letter-spacing: 0;
}
.field--check label { margin: 0; }

.form__status {
  margin: 1.4rem 0 0;
  min-height: 1.4rem;
  font-size: 1rem;
  color: var(--amber);
}
.form__status.is-error { color: #e08b68; }

.form.is-sent .form__row,
.form.is-sent .field,
.form.is-sent .btn { display: none; }
.form.is-sent .form__status {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  color: var(--ivory);
  text-align: center;
  padding: 3rem 0;
}

/* ============ PIE ============ */
.footer {
  padding: clamp(4rem, 10vh, 7rem) 0 clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid var(--ivory-10);
  text-align: center;
}
.footer__brand {
  margin: 0 0 .8rem;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 8vw, 5rem);
  letter-spacing: .04em;
  color: var(--ivory);
  line-height: 1;
}
.footer__line { margin: 0 0 2.5rem; font-size: 1rem; color: var(--ivory-45); }
.footer__meta { margin: 0; font-size: .82rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ivory-22); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .intro__grid,
  .piece__body,
  .trust__body { grid-template-columns: 1fr; }
  .intro__copy { padding-top: 0; }
  .day__timeline { grid-template-columns: repeat(2, 1fr); }
  .moment:nth-child(2), .moment:nth-child(4) { margin-left: -1px; }
  .moment:nth-child(3) { margin-left: 0; margin-top: -1px; }
  .moment:nth-child(4) { margin-top: -1px; }
  .chain__stations { grid-template-columns: repeat(2, 1fr); }
  .station { min-height: 10.5rem; }
  .trust__cta { text-align: center; margin-top: 1rem; }
  /* Sin dos columnas no hay nada que fijar: la escena vuelve a fluir. */
  .piece__stage { position: static; }
  .piece--flip .piece__body { direction: ltr; }
  .scene { aspect-ratio: 16 / 10; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 0 0 auto;
    top: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 5.5rem var(--gutter) 2.5rem;
    background: rgba(23,17,13,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--ivory-10);
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform .5s var(--ease-out), visibility .5s;
  }
  .nav.is-open .nav__links { transform: translateY(0); visibility: visible; }
  .nav__links a { padding: 1rem 0; font-size: .9rem; border-bottom: 1px solid var(--ivory-10); }
  .nav__cta { margin-top: 1.4rem; text-align: center; border-bottom: 1px solid var(--ivory-22) !important; }
  .nav__toggle { display: block; z-index: 2; }

  .hero__track { height: 190vh; }
  .facts { grid-template-columns: 1fr; gap: 0; }
  .fact { padding: 1.4rem 0; border-bottom: 1px solid var(--ivory-10); }
  .fact:last-child { border-bottom: 0; }
  .fact + .fact { border-left: 0; padding-left: 0; }
  .fact__label { max-width: none; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .trust__meta { grid-template-columns: 1fr; gap: 1.8rem; }
  .piece__head { grid-template-columns: 1fr; gap: .6rem; }
  .piece__num { font-size: 2.6rem; }
  .piece__metrics { grid-template-columns: 1fr; gap: 1.1rem; }
  .piece__metrics div { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
  .piece__metrics dt { margin-bottom: 0; }
  .serie__grid { grid-template-columns: repeat(4, 1fr); }
  .slot__tag { display: none; }
  .day__timeline { grid-template-columns: 1fr; }
  .moment { padding-block: 1.3rem; }
  .moment + .moment { margin-left: 0; margin-top: -1px; }
  .moment__dot { display: none; }
  /* Apiladas en vertical, el conector apunta hacia abajo igual */
  .moment.is-active::after { bottom: -1px; }
  .day__head { flex-direction: column; align-items: flex-start; gap: .4rem; }
  .chain__stations { grid-template-columns: 1fr; }
  .scene__hint { font-size: .66rem; letter-spacing: .12em; padding: .38rem .7rem; }
  .station { min-height: 0; }
  /* En vertical el raíl horizontal no significa nada */
  .chain__rail { display: none; }
}

@media (max-width: 520px) {
  .hero__phrase { font-size: clamp(2.4rem, 13vw, 3.4rem); }
  .hero__brand { letter-spacing: .4em; text-indent: .4em; }
  .scene { aspect-ratio: 4 / 3; }
}

/* Dispositivos sin hover: los estados hover se convierten en estados táctiles */
@media (hover: none) {
  .btn--primary:hover, .btn--ghost:hover { transform: none; }
  .btn:active { transform: scale(.985); }
}

/* ============ MOVIMIENTO REDUCIDO ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .hero__track { height: 100vh; }
  .hero__grain { animation: none; opacity: .09; }
  .hero__hint { display: none; }
  .hero__occluder { display: none; }
  [data-anim] { opacity: 1 !important; transform: none !important; }
}

/* ============ PÁGINA DE SOLICITUD ============ */
.page-request { background: var(--walnut); }
.request {
  min-height: 100vh;
  padding: clamp(6rem, 14vh, 9rem) 0 clamp(3rem, 8vh, 5rem);
}
.request__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 6vw, 5.5rem);
  max-width: 84rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
  align-items: start;
}

/* --- columna izquierda: la automatización elegida --- */
.request__aside {
  position: sticky;
  top: 6.5rem;
  padding: clamp(1.8rem, 3vw, 2.6rem);
  background:
    radial-gradient(90% 60% at 50% 0%, rgba(var(--tone-rgb, 232,173,97), .18) 0%, transparent 62%),
    var(--espresso);
  border: 1px solid rgba(var(--tone-rgb, 232,173,97), .3);
}
.request__back {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: clamp(1.6rem, 4vh, 2.4rem);
  padding: .6rem 1.15rem;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ivory-70);
  text-decoration: none;
  border: 1px solid var(--ivory-22);
  transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.request__back:hover {
  color: var(--ink);
  background: var(--tone-soft, var(--amber-bright));
  border-color: var(--tone-soft, var(--amber-bright));
}
.request__back-arrow {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform .3s var(--ease);
}
.request__back:hover .request__back-arrow { transform: translateX(-4px); }
.request__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1.2rem;
  padding: .42rem .95rem;
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tone-soft, var(--amber-bright));
  background: rgba(var(--tone-rgb, 232,173,97), .12);
  border: 1px solid rgba(var(--tone-rgb, 232,173,97), .5);
  border-radius: 999px;
}
.request__badge span { color: var(--tone, var(--amber)); }
.request__eyebrow {
  margin: 0 0 .8rem;
  font-size: .77rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--tone, var(--amber));
}
.request__name {
  margin: 0 0 .7rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ivory);
}
.request__line {
  margin: 0 0 clamp(2rem, 5vh, 3rem);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ivory-70);
}

/* Distintivo a líneas, propio de cada automatización, en su color */
.request__glyph {
  position: relative;
  width: 100%;
  height: clamp(9rem, 24vw, 13rem);
  margin-bottom: clamp(2rem, 5vh, 3rem);
}
.rglyph {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(.96);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.request__glyph[data-glyph="captador"] .rglyph[data-glyph="captador"],
.request__glyph[data-glyph="voz"]      .rglyph[data-glyph="voz"],
.request__glyph[data-glyph="facturas"] .rglyph[data-glyph="facturas"] {
  opacity: 1;
  transform: scale(1);
}
.rg-stroke {
  fill: none;
  stroke: var(--tone, var(--amber));
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rg-core { fill: var(--tone-soft, var(--amber-bright)); }
.rg-ping {
  fill: var(--tone-soft, var(--amber-bright));
  transform-box: fill-box;
  transform-origin: center;
  animation: rgPing 2.4s var(--ease) infinite;
}
.rg-thread { fill: none; stroke: var(--tone, var(--amber)); stroke-width: 1.4; stroke-dasharray: 2 4; opacity: .7; }
.rg-wave {
  opacity: .85;
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: rgDraw 2.2s var(--ease-out) forwards;
}
.rg-wave:nth-of-type(2) { animation-delay: .12s; opacity: .6; }
.rg-wave:nth-of-type(3) { animation-delay: .24s; opacity: .4; }
.rg-wave:nth-of-type(4) { animation-delay: .36s; opacity: .25; }
.rg-fill { fill: rgba(var(--tone-rgb, 232,173,97), .9); }
.rg-line { stroke: rgba(20,14,10,.55); stroke-width: 2.4; stroke-linecap: round; }
.rg-check { fill: none; stroke: rgba(20,14,10,.75); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.rg-draw {
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: rgDraw 1.6s var(--ease-out) forwards;
}
.rglyph[data-glyph] .rg-draw:nth-of-type(2) { animation-delay: .18s; }
.rglyph[data-glyph] .rg-draw:nth-of-type(3) { animation-delay: .36s; }
@keyframes rgDraw { to { stroke-dashoffset: 0; } }
@keyframes rgPing {
  0%, 100% { transform: scale(.6); opacity: .5; }
  50%      { transform: scale(1.5); opacity: 1; }
}

.request__switch-label {
  margin: 0 0 .8rem;
  font-size: .77rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ivory-45);
}
.request__switch { display: flex; flex-wrap: wrap; gap: .5rem; }
.request__chip {
  padding: .55rem 1rem;
  font-size: .84rem;
  color: var(--ivory-70);
  background: none;
  border: 1px solid var(--ivory-10);
  cursor: pointer;
  transition: border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.request__chip:hover { border-color: var(--ivory-22); color: var(--ivory); }
.request__chip.is-active {
  border-color: var(--tone, var(--amber));
  color: var(--ink);
  background: var(--tone, var(--amber));
}

/* --- columna derecha: el formulario --- */
.request__main { padding-top: 1rem; }
.request__form { max-width: none; margin: clamp(2rem, 5vh, 3rem) 0 0; padding: 0; }
.field__opt { color: var(--ivory-45); text-transform: none; letter-spacing: 0; font-size: .9em; }

@media (max-width: 900px) {
  .request__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .request__aside { position: static; }
  .request__glyph { height: 7rem; }
}

/* Honeypot antispam: fuera de pantalla, invisible para personas */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }