/* =============================================================
   MSB · Licenciatura en Diseño y Mercadotecnia de Modas
   MESA 826 — Papel y Patrón

   El sitio es la mesa de corte de Iturbide 826 vista desde
   arriba: papel manila con trazos, y encima escuadras de
   acrílico que refractan el papel en su canto.

   Los hex marcados MUESTREADO salen de medir el asset real.
   Proporción obligatoria: 80% papel · 15% tinta · 5% acento.
   ============================================================= */

:root {
  /* superficie */
  --papel:      #EDE7DA;  /* = papel del frame 140 (#9D9A90) × brightness(1.5) */
  --papel-2:    #E3DDCE;
  --manila:     #D8CFB8;
  --patron:     #9D9A90;  /* MUESTREADO del frame 140 */

  /* tinta */
  --grafito:    #2B2721;  /* todo el texto · 12.1:1 sobre papel */
  --trazo:      #292661;  /* MUESTREADO del lockup MSB · 11.1:1 */

  /* acento — el logo degradado a herramientas de modista */
  --tiza:       #E00C78;  /* MUESTREADO del monograma · 3.8:1 → nunca cuerpo */
  --piquete:    #F7951C;  /* MUESTREADO del monograma · 1.84:1 → nunca texto */
  --oro:        #C1A543;  /* MUESTREADO del confeti · 1.95:1 → nunca texto */
  --oro-lame:   #8D7033;  /* MUESTREADO del lamé */
  --oro-luz:    #E4D6BA;  /* la cáustica */

  /* el único momento oscuro de todo el sitio */
  --terciopelo: #4C1316;  /* MUESTREADO del frame 170 */
  --terciopelo-alto: #78252B;

  --canto:      #06414A;  /* el filo del acrílico. Física, no muestreo. */

  --f-display: 'Bodoni Moda', Didot, 'Times New Roman', serif;
  --f-ui: 'Archivo', system-ui, sans-serif;
  --f-cue: 'Courier Prime', ui-monospace, monospace;

  --e-regla: cubic-bezier(.22, 1, .36, 1);
  --e-corte: cubic-bezier(.76, 0, .24, 1);
  --e-tela:  cubic-bezier(.34, 1.56, .64, 1);
  --e-suizo: cubic-bezier(.4, 0, .2, 1);

  --lg-canto: 14px;
  --gut: clamp(20px, 5vw, 88px);
  --maxw: 1440px;

  --grain: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='220' height='220' filter='url(%23n)' opacity='.42'/></svg>");
}

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

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

body {
  margin: 0;
  background: var(--papel);
  color: var(--grafito);
  font-family: var(--f-ui);
  font-variation-settings: 'wdth' 100;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }

/* El grano: mata el banding del blur y de las fotos a 199
   colores, y le da diente de papel al vidrio. Es funcional. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background-image: var(--grain);
  opacity: .055;
  mix-blend-mode: multiply;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--tiza); color: var(--papel); }

/* --- TIPOGRAFÍA ------------------------------------------- */
/* Bodoni nunca por debajo de 24px: a 16px el contraste
   modulado se desintegra y parece un PDF escaneado.
   Archivo nunca por encima de 20px salvo condensada.
   Esa regla sola es lo que impide que esto se lea a SaaS.  */
.display {
  font-family: var(--f-display);
  font-optical-sizing: auto;
  font-weight: 500;
  line-height: .92;
  letter-spacing: -.02em;
}
h1, h2, h3 { margin: 0; font-weight: 500; }

.h2 {
  font-size: clamp(2rem, 4.6vw, 4.2rem);
  font-variation-settings: 'opsz' 48;
  line-height: .92;
}
.h1-alt {
  font-size: clamp(2.6rem, 8vw, 6.5rem);
  font-variation-settings: 'opsz' 96;
  font-weight: 600;
  line-height: .9;
}
em { font-style: italic; font-weight: 400; }

.kicker {
  font-family: var(--f-ui);
  font-variation-settings: 'wdth' 70;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(43, 39, 33, .85);
  margin: 0 0 1.4rem;
  display: flex;
  align-items: center;
  gap: .8rem;
}
.kicker::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--tiza);
  flex: none;
}

.body {
  font-size: 17px;
  line-height: 1.55;
  max-width: 62ch;
  color: rgba(43, 39, 33, .92);
  margin: 0 0 1.2rem;
}
.body.big { font-size: clamp(17px, 1.4vw, 20px); }
.body strong { font-weight: 600; }

.cue {
  font-family: var(--f-cue);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--grafito);
  opacity: .72;
  margin: 0;
}

.num {
  font-family: var(--f-display);
  font-weight: 500;
  font-variation-settings: 'opsz' 96;
  font-variant-numeric: lining-nums tabular-nums;
  line-height: .85;
  display: block;
}

/* --- LIQUID GLASS · «la regla» ---------------------------- */
/* Una regla de acrílico sobre una hoja no la difumina: la
   amplía en el canto, tiñe el filo de verde y proyecta una
   cáustica cálida sobre el papel. El centro es limpio.
   TEST: el texto bajo el centro debe leerse nítido.        */
.regla {
  position: relative;
  isolation: isolate;
  border-radius: 14px;
  background:
    radial-gradient(120% 150% at var(--mx, 28%) var(--my, -10%), rgba(255,255,255,.34), rgba(255,255,255,0) 58%),
    linear-gradient(148deg, rgba(255,255,255,.42) 0%, rgba(255,255,255,.09) 38%, rgba(255,255,255,.02) 63%, rgba(255,255,255,.24) 100%),
    linear-gradient(0deg, rgba(6,65,74,.05), rgba(6,65,74,.05));
  backdrop-filter: url(#lg-refract) blur(.4px) saturate(124%) brightness(1.045) contrast(1.03);
  -webkit-backdrop-filter: blur(.4px) saturate(124%) brightness(1.045) contrast(1.03);
  border: 1px solid rgba(255,255,255,.30);
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,.96),
    inset 1px 0 0 0 rgba(255,255,255,.55),
    inset -1px 0 0 0 rgba(255,255,255,.32),
    inset 0 -1px 0 0 rgba(6,65,74,.24),
    inset 0 0 26px -8px rgba(6,65,74,.18),
    0 1px 1px rgba(43,39,33,.05),
    0 10px 24px -10px rgba(43,39,33,.22),
    0 34px 64px -34px rgba(43,39,33,.30);
  transition: box-shadow .45s var(--e-regla), transform .45s var(--e-regla);
}
/* El anillo de refracción. Este xor ES la diferencia entre
   2025 y 2021. Si se cae, colapsa a frost plano. */
.regla::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: var(--lg-canto);
  pointer-events: none;
  z-index: 1;
  backdrop-filter: blur(7px) saturate(132%) brightness(1.06);
  -webkit-backdrop-filter: blur(7px) saturate(132%) brightness(1.06);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  background-image: var(--grain);
  background-blend-mode: overlay;
}
/* El specular: un filo de luz de 1.5px que viaja por el marco */
.regla::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  pointer-events: none;
  z-index: 3;
  background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.5) 45%, rgba(255,255,255,.98) 50%, rgba(228,214,186,.6) 55%, transparent 70%);
  background-size: 260% 100%;
  background-position: 130% 0;
  mix-blend-mode: screen;
  opacity: .75;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  transition: background-position 1.1s var(--e-regla);
}
.regla:hover::after { background-position: -30% 0; }
.regla:hover { transform: translateY(-2px); }

/* La cáustica: la luz que ATRAVIESA el vidrio y calienta el
   papel. Ningún glassmorphism de 2021 tuvo esto. */
.caustica {
  position: absolute;
  inset: 8px -12px -16px 8px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(64% 100% at 50% 0%, rgba(228,214,186,.62), rgba(228,214,186,0) 72%);
  filter: blur(15px);
  pointer-events: none;
}

/* El contenido va POR ENCIMA del anillo (::before z:1) y del
   specular (::after z:3). Sin esto, los pseudos se pintan sobre
   los hijos sin posicionar y el canto de 14px se come el texto
   que llega al borde. */
.regla > *:not(.caustica) { position: relative; z-index: 4; }

.regla--dorada {
  box-shadow:
    inset 0 1px 0 0 rgba(255,255,255,.9),
    inset 0 -1px 0 0 rgba(193,165,67,.45),
    inset 0 0 26px -8px rgba(141,112,51,.3),
    0 10px 24px -10px rgba(43,39,33,.3),
    0 34px 64px -34px rgba(43,39,33,.4);
}
.regla--dorada::after {
  background: linear-gradient(100deg, transparent 30%, rgba(228,214,186,.6) 45%, rgba(255,255,255,.9) 50%, rgba(193,165,67,.6) 55%, transparent 70%);
}

/* Safari/Firefox no aceptan url() en backdrop-filter: se
   pierde el desplazamiento, sobreviven anillo + specular +
   cáustica. ~90% del efecto. */
@supports not (backdrop-filter: url(#lg-refract)) {
  .regla { backdrop-filter: blur(1.2px) saturate(126%) brightness(1.05); }
  .regla::before { backdrop-filter: blur(9px) saturate(138%); }
}
@supports not (backdrop-filter: blur(1px)) {
  .regla { background: rgba(237,231,218,.94); }
}

@media (max-width: 768px) {
  :root { --lg-canto: 10px; }
  .regla { backdrop-filter: blur(.6px) saturate(120%) brightness(1.04); -webkit-backdrop-filter: blur(.6px) saturate(120%); }
  .regla::before { backdrop-filter: blur(5px) saturate(126%); -webkit-backdrop-filter: blur(5px); background-image: none; }
  .caustica { filter: blur(10px); }
  body::after { display: none; } /* grano fijo en móvil = repaint caro */
}

/* Nunca backdrop-filter encima del canvas mientras scrubea:
   el compositor rehace la capa cada frame y tira a 22fps. */
.hero .regla {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: rgba(237,231,218,.72);
}
.hero .regla::before { display: none; }

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  .regla { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(237,231,218,.96); }
  .regla::before { display: none; }
}

/* --- LOADER · «El corte» ---------------------------------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: var(--papel);
  display: grid;
  place-content: center;
  gap: 1.4rem;
  transition: opacity .5s var(--e-suizo), visibility .5s;
}
.loader.is-cut .loader-mark, .loader.is-cut .loader-meta { opacity: 0; transition: opacity .3s; }
.loader.is-gone { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-msb {
  font-family: var(--f-display);
  font-size: 64px;
  font-weight: 700;
  fill: none;
  stroke: var(--trazo);
  stroke-width: 1.25;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw .62s cubic-bezier(.65,0,.35,1) .1s forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }
.loader-chalk {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: var(--tiza);
  transform: scaleX(0);
  transform-origin: 0 50%;
  animation: chalk .26s linear .7s forwards;
}
@keyframes chalk { to { transform: scaleX(1); } }
.loader-meta {
  font-family: var(--f-cue);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--grafito);
  opacity: .5;
  text-align: center;
}

/* --- NAV · «La escuadra» ---------------------------------- */
/* El nav es el único vidrio que viaja sobre el video Y sobre el
   papel. Sin un tinte de papel propio, la tinta desaparece sobre
   los fotogramas oscuros. Sobre papel el tinte es invisible
   (papel sobre papel), así que no cuesta nada. */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  translate: -50% 0;
  z-index: 900;
  width: min(92%, 1180px);
  height: 56px;
  background-color: rgba(237, 231, 218, .68);
  backdrop-filter: blur(14px) saturate(150%) brightness(1.04);
  -webkit-backdrop-filter: blur(14px) saturate(150%) brightness(1.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 20px;
  transition: width .52s var(--e-regla), translate .52s var(--e-regla), opacity .4s;
}
.nav.is-tight { width: min(78%, 980px); translate: -50% 6px; }
.nav-mono {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: .02em;
  color: var(--grafito);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(.7rem, 1.6vw, 1.5rem);
  position: relative;
}
.nav-links a {
  font-variation-settings: 'wdth' 82;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(43,39,33,.7);
  transition: color .35s;
  white-space: nowrap;
  /* el objetivo mínimo de WCAG es 24px: el texto mide 19 */
  padding: .45rem 0;
}
.nav-links a:hover, .nav-links a.is-on { color: var(--grafito); }
.nav-dot {
  position: absolute;
  bottom: -6px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--piquete);
  opacity: 0;
  transition: left .5s var(--e-tela), opacity .3s;
}
.nav-cta {
  padding: .55rem 1.1rem;
  border-radius: 9px;
  background: var(--grafito);
  color: var(--papel) !important;
  transition: background .4s;
}
.nav-cta:hover { background: var(--trazo); }

.burger { display: none; width: 44px; height: 44px; padding: 10px; }
.burger svg { width: 100%; height: 100%; fill: none; stroke: var(--grafito); stroke-width: 1.4; transition: rotate .62s var(--e-corte); }
.burger[aria-expanded="true"] svg { rotate: -90deg; }

@media (max-width: 980px) {
  .burger { display: block; }
  .nav { padding-right: 8px; }
  .nav-links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 1.2rem;
    background: rgba(237,231,218,.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s var(--e-suizo), visibility .5s;
  }
  .nav-links.is-open { opacity: 1; visibility: visible; }
  .nav-links a {
    font-family: var(--f-display);
    font-size: 30px;
    text-transform: none;
    letter-spacing: 0;
    opacity: 0;
    translate: 0 14px;
  }
  .nav-links.is-open a { animation: navIn .5s var(--e-regla) forwards; }
  .nav-links.is-open a:nth-child(1) { animation-delay: .06s }
  .nav-links.is-open a:nth-child(2) { animation-delay: .12s }
  .nav-links.is-open a:nth-child(3) { animation-delay: .18s }
  .nav-links.is-open a:nth-child(4) { animation-delay: .24s }
  .nav-links.is-open a:nth-child(5) { animation-delay: .30s }
  .nav-links.is-open a:nth-child(6) { animation-delay: .36s }
  .nav-links.is-open a:nth-child(7) { animation-delay: .42s }
  .nav-links.is-open a:nth-child(8) { animation-delay: .48s }
  @keyframes navIn { to { opacity: 1; translate: 0 0; } }
  .nav-dot { display: none; }
  .nav-cta { background: none; color: var(--grafito) !important; border: 1px solid var(--grafito); }
}

/* --- CINTA MÉTRICA ---------------------------------------- */
.tape {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 34px;
  z-index: 800;
  pointer-events: none;
  background:
    repeating-linear-gradient(180deg, var(--patron) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(180deg, rgba(43,39,33,.5) 0 1px, transparent 1px 40px);
  background-size: 8px 100%, 14px 100%;
  background-position: 0 0, 0 0;
  background-repeat: repeat-y;
  opacity: .5;
  mix-blend-mode: multiply;
}
.tape-cursor {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--tiza);
  top: 0;
  will-change: transform;
}
@media (max-width: 1023px) {
  .tape { top: 0; bottom: auto; left: 0; right: 0; width: auto; height: 2px; background: rgba(43,39,33,.1); mix-blend-mode: normal; opacity: 1; }
  .tape-cursor { inset: 0 auto 0 0; height: 100%; width: 100%; transform-origin: 0 50%; }
}

/* --- HERO ------------------------------------------------- */
.hero { position: relative; height: 320vh; }
.hero-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: var(--papel);
  display: grid;
  place-items: center;
}
#hero-canvas {
  width: 100%;
  height: 100%;
  max-width: 1800px;
  display: block;
}
/* Grado: que los frames vivan en la paleta manila.
   Es acabado, no infraestructura: si el cliente pide «que se
   vea el video como es», se baja a .10 y la dirección sigue. */
.hero-grade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--papel);
  mix-blend-mode: soft-light;
  opacity: .18;
}
/* LA BISAGRA: el papel del figurín se vuelve el papel de la
   página. Crece desde la punta del lápiz (63% 33%). */
.hoja {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  background: var(--papel);
  -webkit-mask: radial-gradient(circle at 63% 33%, #000 var(--r, 0%), transparent calc(var(--r, 0%) + 18%));
          mask: radial-gradient(circle at 63% 33%, #000 var(--r, 0%), transparent calc(var(--r, 0%) + 18%));
}

.hero-mast {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 0 var(--gut);
  opacity: calc(1 - var(--hero-p, 0) * 8);
  pointer-events: none;
}
.regla--mast {
  max-width: 780px;
  padding: clamp(1.6rem, 3.5vw, 3rem);
  pointer-events: auto;
}
.regla--mast .kicker { margin-bottom: 1rem; }
.mast-h1 {
  font-size: clamp(3.4rem, 11.5vw, 11rem);
  font-variation-settings: 'opsz' 96;
  font-weight: 600;
  line-height: .84;
  letter-spacing: -.03em;
  margin: 0;
}
.mast-h1 em {
  font-variation-settings: 'opsz' 96;
  letter-spacing: -.01em;
  color: var(--trazo);
}
.mast-sub {
  margin: 1.6rem 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(43,39,33,.86);
}
.mast-sub em { font-family: var(--f-display); font-size: 17px; }
.mast-cta { display: flex; gap: .7rem; margin-top: 1.8rem; flex-wrap: wrap; }

/* El video va impreso sobre la hoja, no pegado encima: el papel
   lo muerde por los bordes. También es lo que sostiene la
   legibilidad de los cues. */
.hero-stage::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(237,231,218,.4) 0%, transparent 13%, transparent 74%, rgba(237,231,218,.62) 100%),
    radial-gradient(130% 105% at 50% 44%, transparent 40%, rgba(237,231,218,.4) 100%);
}

.beats { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
/* La hoja que se desliza bajo el texto del beat. Sin esto, la
   tinta oscura desaparece sobre el lamé dorado. Sólo aparece
   cuando hay un beat en pantalla. */
.beats::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(72deg,
    rgba(237,231,218,.95) 0%, rgba(237,231,218,.82) 20%,
    rgba(237,231,218,.42) 38%, rgba(237,231,218,0) 56%);
  opacity: var(--beat-scrim, 0);
  transition: opacity .45s var(--e-suizo);
}
@media (max-width: 700px) {
  .beats::before {
    background: linear-gradient(0deg,
      rgba(237,231,218,.96) 0%, rgba(237,231,218,.88) 34%,
      rgba(237,231,218,.4) 58%, rgba(237,231,218,0) 78%);
  }
}
.beat {
  position: absolute;
  left: var(--gut);
  bottom: clamp(5rem, 16vh, 10rem);
  max-width: 34ch;
  opacity: 0;
  will-change: opacity, transform, filter;
}
.beat h2 {
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-variation-settings: 'opsz' 96;
  font-weight: 600;
  margin-bottom: .6rem;
  color: var(--grafito);
}
.beat p {
  margin: 0;
  font-size: 15px;
  line-height: 1.45;
  color: rgba(43,39,33,.88);
  max-width: 40ch;
  text-shadow: 0 1px 12px rgba(237,231,218,.6);
}

.cue-frame { position: absolute; left: var(--gut); bottom: 1.6rem; z-index: 5; }
.cue-note  { position: absolute; right: var(--gut); bottom: 1.6rem; z-index: 5; }
.scroll-hint {
  position: absolute;
  left: 50%; bottom: 1.4rem;
  translate: -50% 0;
  z-index: 5;
  display: grid;
  justify-items: center;
  gap: .5rem;
  opacity: calc(1 - var(--hero-p, 0) * 14);
}
.scroll-hint span {
  font-variation-settings: 'wdth' 70;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  opacity: .7;
}
.scroll-hint i {
  width: 1px; height: 34px;
  background: linear-gradient(180deg, var(--grafito), transparent);
  animation: drop 2.4s var(--e-suizo) infinite;
  transform-origin: 50% 0;
}
@keyframes drop {
  0% { scale: 1 0; opacity: 0 }
  40% { scale: 1 1; opacity: 1 }
  100% { scale: 1 1; translate: 0 34px; opacity: 0 }
}

/* --- LAYOUT ----------------------------------------------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.pad { padding: clamp(5rem, 13vh, 10rem) 0; position: relative; }
.band { background: var(--papel-2); }
.mb { margin-bottom: clamp(1.6rem, 4vh, 3rem); }
.mt { margin-top: clamp(1.6rem, 4vh, 3rem); }
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }

/* Revelado por línea: una regla que pasa por el papel y
   descubre el texto. Nunca letra por letra: con Bodoni se
   ve barato y es el cliché de 2023. */
.js [data-line] {
  -webkit-mask-image: linear-gradient(100deg, #000 0%, #000 var(--w, 0%), transparent calc(var(--w, 0%) + 8%));
          mask-image: linear-gradient(100deg, #000 0%, #000 var(--w, 0%), transparent calc(var(--w, 0%) + 8%));
  transition: --w .9s var(--e-regla);
}
.js [data-line].is-in { --w: 108%; }
@property --w { syntax: '<percentage>'; inherits: false; initial-value: 0%; }

.js [data-reveal] {
  opacity: 0;
  translate: 0 26px;
  rotate: -1.2deg;
  scale: .985;
  transition: opacity .76s var(--e-regla), translate .76s var(--e-regla), rotate .76s var(--e-regla), scale .76s var(--e-regla);
}
.js [data-reveal]:nth-of-type(2n) { rotate: .8deg; }
.js [data-reveal]:nth-of-type(3n) { rotate: -.5deg; }
.js [data-reveal="scale"] { translate: 0 0; scale: .94; }
.js [data-reveal].is-in { opacity: 1; translate: 0 0; rotate: 0deg; scale: 1; }
.js [data-reveal] .caustica { opacity: 0; transition: opacity .9s var(--e-regla) .12s, filter .9s var(--e-regla) .12s; filter: blur(24px); }
.js [data-reveal].is-in .caustica { opacity: 1; filter: blur(15px); }

/* --- CHIPS / BOTONES -------------------------------------- */
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.6rem 0 0; padding: 0; }
.chip {
  font-variation-settings: 'wdth' 82;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .5rem .9rem;
  border: 1px solid rgba(41,38,97,.3);
  border-radius: 100px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.6rem;
  border-radius: 10px;
  font-variation-settings: 'wdth' 82;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: transform .48s var(--e-tela), background .4s, color .4s, border-color .4s;
  will-change: transform;
}
.btn-ink { background: var(--grafito); color: var(--papel); }
.btn-ink:hover { background: var(--trazo); }
.btn-line { border: 1px solid rgba(43,39,33,.4); }
.btn-line:hover { border-color: var(--grafito); background: rgba(43,39,33,.05); }
.btn-row { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1.6rem; }

/* --- PLAN · EL EJE ---------------------------------------- */
.plan-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-bottom: 2rem; }
.plan-count { display: flex; align-items: baseline; gap: .7rem; margin: 0; }
.plan-count .num { font-size: clamp(3rem, 7vw, 6rem); }
.plan-count span { font-variation-settings: 'wdth' 70; font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; opacity: .85; }

.axis-label {
  font-variation-settings: 'wdth' 70;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: .8rem;
  margin: 0 0 1rem;
  opacity: .85;
}
.chalk-line { width: 44px; height: 1px; background: var(--tiza); flex: none; }

.sheets {
  display: flex;
  gap: clamp(1rem, 2vw, 1.6rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: .5rem 0 2rem;
  -webkit-overflow-scrolling: touch;
}
.sheets::-webkit-scrollbar { display: none; }
.sheet {
  position: relative;
  flex: 0 0 min(340px, 80vw);
  scroll-snap-align: start;
  background: var(--manila);
  border-radius: 2px;
  padding: 1.6rem 1.4rem 1.4rem;
  box-shadow: inset 0 0 0 1px rgba(41,38,97,.22), 0 12px 30px -18px rgba(43,39,33,.5);
  overflow: hidden;
}
/* El eje: la línea que recorre del I al VIII y se corta */
.sheet::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 0;
  height: 1.25px;
  background: var(--trazo);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .7s var(--e-regla);
}
.sheet.is-in::before { transform: scaleX(1); }
.sheet--last::before { background: none; border-top: 1.25px dashed var(--trazo); height: 0; }
/* El piquete: dos trazos a 45° donde el eje se abre */
.sheet::after {
  content: '';
  position: absolute;
  top: -5px; left: 24px;
  width: 10px; height: 10px;
  border-left: 1.25px solid var(--tiza);
  border-bottom: 1.25px solid var(--tiza);
  rotate: -45deg;
  transform: scaleY(0);
  transition: transform .2s var(--e-corte) .5s;
}
.sheet.is-in::after { transform: scaleY(1); }
.sheet--last::after { display: none; }

.ghost {
  position: absolute;
  right: -10px; bottom: -50px;
  font-family: var(--f-display);
  font-size: 300px;
  font-weight: 900;
  line-height: .7;
  color: rgba(43,39,33,.06);
  pointer-events: none;
}
.sheet header { display: flex; align-items: baseline; gap: .8rem; margin-bottom: 1.2rem; }
/* Numeral hueco: un número dibujado a hilo azul sobre papel
   es un patrón. */
.numeral {
  font-family: var(--f-display);
  font-size: 3.4rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--manila);
  -webkit-text-stroke: 1px var(--trazo);
}
.q-meta { font-variation-settings: 'wdth' 70; font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; opacity: .8; margin: 0; }
.sheet ul { list-style: none; margin: 0; padding: 0; }
.sheet li {
  font-variation-settings: 'wdth' 88;
  font-size: 13.5px;
  padding: .5rem 0;
  border-bottom: 1px solid rgba(41,38,97,.14);
  color: rgba(43,39,33,.9);
}
.sheet li[data-axis] { font-weight: 600; color: var(--trazo); position: relative; padding-left: .9rem; }
.sheet li[data-axis]::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 5px; height: 1px;
  background: var(--tiza);
}
.q-note {
  font-variation-settings: 'wdth' 70;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 1rem 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--trazo);
  opacity: .8;
}
.q-note--dash { border-top-style: dashed; }
.sheets-hint { font-variation-settings: 'wdth' 70; font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; opacity: .5; margin: 0; }

/* --- COVERFLOW -------------------------------------------- */
.coverflow { position: relative; margin-top: clamp(2rem, 5vh, 3.5rem); }
.cf-guide {
  position: absolute;
  left: 50%; top: 0; bottom: 70px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(224,12,120,.3), transparent);
  z-index: 0;
}
.cf-track {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  overflow-y: hidden;
  perspective: 1400px;
  perspective-origin: 50% 46%;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 2rem calc(50% - var(--card-w, 380px) / 2) 3rem;
  -webkit-overflow-scrolling: touch;
}
.cf-track::-webkit-scrollbar { display: none; }
.cf-track:focus-visible { outline: 2px solid var(--tiza); outline-offset: -4px; }
.coverflow { --card-w: 380px; }
.coverflow--arch { --card-w: 300px; }

/* La tarjeta es una pieza de patrón: piquetes en las
   esquinas, línea de corte, margen de costura. */
.cf-card {
  position: relative;
  flex: 0 0 var(--card-w);
  scroll-snap-align: center;
  transform-style: preserve-3d;
  background: var(--manila);
  padding: 10px;
  border-radius: 2px;
  will-change: transform, opacity;
  clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 10px, 100% calc(100% - 10px), calc(100% - 10px) 100%, 10px 100%, 0 calc(100% - 10px), 0 10px);
  box-shadow: inset 0 0 0 1px var(--trazo);
  cursor: pointer;
  margin: 0;
}
.cf-card::before {
  content: '';
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(41,38,97,.35);
  pointer-events: none;
  z-index: 2;
}
.cf-card img {
  width: 100%;
  /* height:auto es obligatorio: sin él gana el atributo
     height="1200" del HTML y la tarjeta mide 1200px de alto. */
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  /* grayscale colapsa el banding de los 199 colores: la
     cuantización vive en el croma, no en el luma. */
  filter: grayscale(1) contrast(1.14) brightness(1.05) sepia(.34) hue-rotate(-8deg) saturate(1.12);
  transition: filter .62s var(--e-regla);
}
.cf-card[data-active] img { filter: none; }
/* El público se disuelve en el papel: esconde al público,
   esconde el banding, y une foto con página. */
.grade {
  position: absolute;
  inset: 10px;
  pointer-events: none;
  background: radial-gradient(72% 56% at 50% 42%, rgba(237,231,218,0) 34%, rgba(237,231,218,.55) 76%, rgba(237,231,218,.92) 100%);
  z-index: 1;
}
.coverflow--arch .cf-card img { filter: none; height: auto; aspect-ratio: 2/3; }
.coverflow--arch .cf-card figcaption {
  font-family: var(--f-cue);
  font-size: 10px;
  letter-spacing: .1em;
  padding-top: .7rem;
  opacity: .7;
}

.cf-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  padding: .6rem 1rem;
  width: fit-content;
  margin: 0 auto;
  border-radius: 12px;
}
.cf-btn { width: 38px; height: 38px; display: grid; place-content: center; border-radius: 50%; transition: background .35s; }
.cf-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.cf-btn:hover { background: rgba(43,39,33,.08); }
.cf-count { min-width: 12ch; text-align: center; }
.cf-credit {
  font-variation-settings: 'wdth' 70;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  text-align: center;
  opacity: .6;
  margin: 1rem 0 0;
}

@media (max-width: 768px) {
  .coverflow { --card-w: 78vw; }
  .coverflow--arch { --card-w: 68vw; }
  .cf-track { gap: 16px; }
}

/* --- ARCHIVO · el bloque oscuro --------------------------- */
.dark {
  background: var(--terciopelo);
  color: var(--papel);
  overflow: hidden;
}
.dark .kicker { color: rgba(246,242,234,.85); }
.dark .kicker::before { background: var(--piquete); }
.dark .body { color: rgba(246,242,234,.88); }
.dark .h2 { color: var(--papel); }
.dark .cf-card { background: var(--terciopelo-alto); box-shadow: inset 0 0 0 1px rgba(193,165,67,.4); }
.dark .cf-card::before { border-color: rgba(193,165,67,.25); }
.dark .cf-btn:hover { background: rgba(246,242,234,.12); }
.dark .cue { color: var(--papel); }
.dark .regla {
  background: linear-gradient(148deg, rgba(255,255,255,.14), rgba(255,255,255,.03) 60%, rgba(193,165,67,.1));
  border-color: rgba(193,165,67,.3);
}
.tag {
  font-variation-settings: 'wdth' 70;
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--oro);
  margin: 1.6rem 0 0;
}
.arch-head { margin-top: clamp(2.5rem, 6vh, 4rem); opacity: .8; letter-spacing: .18em; }

/* la malla de puntadas: aguja de ritmo constante */
.stitches { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .55; }
.st { fill: none; stroke-width: 3; stroke-dasharray: 0 6; stroke-linecap: round; stroke-dashoffset: 300; }
.st-1 { stroke: var(--tiza); }
.st-2 { stroke: var(--piquete); }
.st-3 { stroke: var(--oro-lame); }
.dark.is-in .st { animation: sew 1.6s cubic-bezier(.37,0,.63,1) forwards; }
.dark.is-in .st-2 { animation-delay: .18s; }
.dark.is-in .st-3 { animation-delay: .36s; }
@keyframes sew { to { stroke-dashoffset: 0; } }

/* --- CAMPO ------------------------------------------------ */
.ladder { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(43,39,33,.16); }
.ladder li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  align-items: baseline;
  padding: 1.3rem 0;
  border-bottom: 1px solid rgba(43,39,33,.16);
  position: relative;
}
.ladder i {
  font-family: var(--f-display);
  font-style: normal;
  font-size: 13px;
  color: var(--tiza);
  font-variant-numeric: tabular-nums;
  transition: rotate .32s var(--e-corte);
}
.ladder li:hover i { rotate: -6deg; }
.ladder span { font-family: var(--f-display); font-size: clamp(1.2rem, 2.6vw, 1.9rem); font-weight: 500; }
.ladder li::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 100%; height: 1px;
  background: var(--tiza);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .32s var(--e-corte);
}
.ladder li:hover::after { transform: scaleX(1); }

/* --- DATOS ------------------------------------------------ */
.figures { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--oro); border: 1px solid var(--oro); }
.fig { background: var(--papel); padding: clamp(1.2rem, 2.5vw, 2rem) 1rem; }
.fig .num { font-size: clamp(2.4rem, 5.5vw, 5rem); }
.fig span {
  display: block;
  margin-top: .6rem;
  font-variation-settings: 'wdth' 70;
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .85;
}
@media (max-width: 900px) { .figures { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .figures { grid-template-columns: 1fr; } }

/* --- ADMISIÓN --------------------------------------------- */
.docs { list-style: none; display: flex; flex-wrap: wrap; gap: .7rem; margin: clamp(2rem, 5vh, 3rem) 0 1rem; padding: 0; }
.docs li {
  padding: .8rem 1.3rem;
  border-radius: 10px;
  font-variation-settings: 'wdth' 88;
  font-size: 13px;
  font-weight: 500;
}
.docs li[data-reveal] { translate: -12vw 0; rotate: -6deg; }
.docs li[data-reveal].is-in { translate: 0 0; rotate: 0deg; }
.docs-note { font-variation-settings: 'wdth' 70; font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; opacity: .7; margin: 0; }

/* --- CONTACTO --------------------------------------------- */
.callsheet { padding: 1.6rem; }
.callsheet pre { margin: 0; font-family: var(--f-cue); font-size: 12px; line-height: 1.8; white-space: pre-wrap; opacity: .85; }

/* --- FOOTER · confeti que aterriza ------------------------ */
.foot { position: relative; border-top: 1px solid rgba(43,39,33,.16); padding: clamp(3rem, 7vh, 5rem) 0 2rem; overflow: hidden; }
.confetti { position: absolute; inset: 0; pointer-events: none; }
.confetti i {
  position: absolute;
  width: 6px; height: 10px;
  top: -20px;
  opacity: 0;
  will-change: transform;
}
.foot-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; }
.foot-top img { height: 74px; width: auto; }
.foot-lema { font-family: var(--f-display); font-size: 20px; margin: 0 0 .5rem; }
.foot-meta { font-variation-settings: 'wdth' 82; font-size: 12px; opacity: .7; margin: 0; line-height: 1.6; }
.foot-bot {
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(43,39,33,.12);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.foot-bot p { font-variation-settings: 'wdth' 70; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; opacity: .6; margin: 0; }

/* --- DOCK móvil ------------------------------------------- */
/* El CTA principal del móvil no puede ser vidrio: viaja sobre
   papel Y sobre el bloque de terciopelo, y sobre el oscuro la
   tinta desaparece. Sólido, siempre igual, siempre legible. */
.dock {
  position: fixed;
  left: 50%; bottom: 12px;
  translate: -50% 80px;
  z-index: 890;
  width: 92vw;
  padding: 1rem;
  border-radius: 12px;
  text-align: center;
  background: var(--grafito);
  color: var(--papel);
  border: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 10px 30px -8px rgba(43,39,33,.55);
  font-variation-settings: 'wdth' 82;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: 0;
  transition: translate .56s var(--e-regla), opacity .4s;
  display: none;
}
.dock::before, .dock::after { display: none; }
.dock .caustica { display: none; }
.dock.is-up { translate: -50% 0; opacity: 1; }
@media (max-width: 768px) { .dock { display: block; } }

/* --- CURSOR ----------------------------------------------- */
/* Aquí vivía una cruz de patronaje que seguía al puntero.
   Eliminada: como el cursor nativo NUNCA se oculta (ocultarlo le
   quita el sitio a media audiencia), la cruz era un SEGUNDO
   puntero encima del primero, y se empalmaba con el texto.
   Dos cursores pisándose no es dirección de arte, es un defecto. */

/* --- A11Y ------------------------------------------------- */
:focus-visible { outline: 2px solid var(--tiza); outline-offset: 3px; border-radius: 3px; }
.skip { position: absolute; left: -9999px; z-index: 10000; padding: 1rem 1.4rem; background: var(--grafito); color: var(--papel); }
.skip:focus { left: 1rem; top: 1rem; }

/* --- REDUCED MOTION --------------------------------------- */
/* Ninguna funcionalidad se pierde: el canvas se congela en el
   frame del figurín, el hero deja de secuestrar el scroll y
   el coverflow se vuelve cuadrícula. */
@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 { height: auto; }
  .hero-stage { position: relative; height: 90svh; }
  .beats, .scroll-hint, .confetti { display: none; }
  [data-reveal], [data-line] { opacity: 1; translate: none; rotate: none; scale: 1; -webkit-mask-image: none; mask-image: none; }
  .cf-track { perspective: none; scroll-snap-type: none; padding-inline: var(--gut); flex-wrap: wrap; overflow: visible; }
  .cf-card { transform: none !important; opacity: 1 !important; flex: 0 0 calc(50% - 13px); }
  .cf-card img { filter: none; }
}