/* ════════════════════════════════════════════════════════════
   DAVID ARAIZA — Fotografía en Blanco y Negro
   Concepto: «El cuarto oscuro» — galería en papel, revelado en tinta.
   Tipografía: Schibsted Grotesk (titulares) × Hanken Grotesk (texto).
   Sistema sans minimalista: tamaños contenidos, mucho interletrado,
   aire generoso — menos es más.
   ════════════════════════════════════════════════════════════ */

:root {
  --paper: #f2efe9;
  --paper-soft: #e9e5dc;
  --ink: #131210;
  --ink-soft: #2b2925;
  --grey: #6d6a63;
  --line: rgba(19, 18, 16, 0.16);
  --line-inv: rgba(242, 239, 233, 0.18);

  --font-display: "Schibsted Grotesk", "Helvetica Neue", sans-serif;
  --font-sans: "Hanken Grotesk", "Helvetica Neue", sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 1.1s;

  /* interletrado de etiquetas en versalita: el aire que pide el minimalismo */
  --track-label: 0.26em;

  --gutter: clamp(1.5rem, 4.5vw, 4.5rem);
  --section-gap: clamp(9rem, 19vh, 16rem);
}

/* ── Base ───────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent; /* sin destello gris al tocar en táctil */
}

a, button { touch-action: manipulation; } /* sin retardo de 300 ms ni zoom por doble-tap */

body.menu-open { overflow: hidden; }

::selection { background: var(--ink); color: var(--paper); }
.dark ::selection { background: var(--paper); color: var(--ink); }

img { display: block; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.06); }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

em { font-style: italic; }
sup { font-size: 0.55em; letter-spacing: 0.05em; }

/* barra de scroll discreta */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--ink); border: 3px solid var(--paper); border-radius: 6px; }

/* ── Utilidades tipográficas ────────────────────────── */

.label {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
}

.dark { background: var(--ink); color: var(--paper); }
.dark .label { color: rgba(242, 239, 233, 0.5); }

/* ── Grano de película ──────────────────────────────── */

.grain {
  position: fixed;
  inset: -100%;
  z-index: 200;
  pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-jitter 0.9s steps(4) infinite;
}

@keyframes grain-jitter {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, 1.5%); }
  50%  { transform: translate(1.5%, -2%); }
  75%  { transform: translate(-1%, -1%); }
  100% { transform: translate(0, 0); }
}

/* ── Preloader: el revelado ─────────────────────────── */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--ink);
  color: var(--paper);
  display: none;
  align-items: center;
  justify-content: center;
  transition: transform 1s var(--ease) 0.25s;
}

.js .preloader { display: flex; }

body.is-loaded .preloader {
  transform: translateY(-101%);
  pointer-events: none;
}

.preloader-name {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}

.preloader-status {
  position: absolute;
  left: var(--gutter);
  bottom: var(--gutter);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: rgba(242, 239, 233, 0.5);
  animation: blink 1.2s steps(2) infinite;
}

@keyframes blink { 50% { opacity: 0.25; } }

.preloader-count {
  position: absolute;
  right: var(--gutter);
  bottom: calc(var(--gutter) - 0.1em);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  letter-spacing: 0.01em;
  line-height: 1;
}

/* ── Cursor propio ──────────────────────────────────── */

.cursor { display: none; }

@media (pointer: fine) {
  .cursor { display: block; }

  .cursor-dot, .cursor-ring {
    position: fixed;
    top: 0; left: 0;
    z-index: 250;
    pointer-events: none;
    border-radius: 50%;
    mix-blend-mode: difference;
  }

  .cursor-dot {
    width: 6px; height: 6px;
    background: #fff;
    transform: translate(-50%, -50%);
  }

  .cursor-ring {
    width: 36px; height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    transform: translate(-50%, -50%) scale(1);
    transition: width 0.35s var(--ease), height 0.35s var(--ease), opacity 0.3s;
  }

  body.cursor-hover .cursor-ring { width: 64px; height: 64px; opacity: 0.9; }
  body.cursor-hidden .cursor-dot, body.cursor-hidden .cursor-ring { opacity: 0; }
  body.custom-cursor, body.custom-cursor a, body.custom-cursor button { cursor: none !important; }
}

/* ── Cabecera ───────────────────────────────────────── */

.site-head {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.5rem var(--gutter);
  mix-blend-mode: difference;
  color: #fff;
  transition: padding 0.5s var(--ease), opacity 0.4s ease;
  pointer-events: none; /* la franja no bloquea; solo sus hijos reciben clics */
}

.site-head > * { pointer-events: auto; }

body.is-scrolled .site-head { padding: 0.9rem var(--gutter); }

.brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.site-nav { display: flex; gap: 2.75rem; transition: opacity 0.35s ease; }

/* dentro de la sala, toda la cabecera se retira: el overlay trae su propia «Cerrar» */
body.proyecto-open .site-head { opacity: 0; }
body.proyecto-open .site-head > * { pointer-events: none; }

.site-nav a {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  position: relative;
}

.site-nav a sup { margin-right: 0.6em; opacity: 0.55; }

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}

.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.menu-btn {
  display: none;
  background: none;
  border: 0;
  color: inherit;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.35s ease;
}

.menu-btn-close { display: none; }
body.menu-open .menu-btn-open { display: none; }
body.menu-open .menu-btn-close { display: inline; }

/* ── Menú móvil ─────────────────────────────────────── */

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 0.8s var(--ease), visibility 0s 0.8s;
}

body.menu-open .menu-overlay {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path 0.8s var(--ease);
}

.menu-nav { display: flex; flex-direction: column; gap: 0.4rem; }

.menu-nav a {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 9vw, 3.8rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.js .menu-nav a {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.menu-nav a sup { font-family: var(--font-sans); font-size: 0.26em; font-weight: 500; margin-right: 0.8em; letter-spacing: 0.1em; opacity: 0.5; }
.menu-nav a:active em, .menu-nav a:hover { font-style: italic; }

body.menu-open .menu-nav a { opacity: 1; transform: none; }
body.menu-open .menu-nav a:nth-child(1) { transition-delay: 0.25s; }
body.menu-open .menu-nav a:nth-child(2) { transition-delay: 0.33s; }
body.menu-open .menu-nav a:nth-child(3) { transition-delay: 0.41s; }
body.menu-open .menu-nav a:nth-child(4) { transition-delay: 0.49s; }

.menu-foot {
  position: absolute;
  bottom: var(--gutter);
  left: var(--gutter);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: rgba(242, 239, 233, 0.55);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ── HERO ───────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* marcas de recorte, como un fotograma */
.hero-frame .mark {
  position: absolute;
  width: 18px; height: 18px;
  opacity: 0.5;
}

.js .hero-frame .mark {
  opacity: 0;
  transition: opacity 1s ease 1.6s;
}
body.is-loaded .hero-frame .mark { opacity: 0.5; }

.mark-tl { top: 5.5rem; left: var(--gutter); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.mark-tr { top: 5.5rem; right: var(--gutter); border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); }
.mark-bl { bottom: 1.5rem; left: var(--gutter); border-bottom: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.mark-br { bottom: 1.5rem; right: var(--gutter); border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink); }

.hero-eyebrow {
  position: absolute;
  top: 7.5rem;
  left: var(--gutter);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* líneas que se revelan: el patrón .li dentro de un contenedor con overflow */
.line, .hero-eyebrow, .hero-role, .r-line { overflow: hidden; }

.li { display: inline-block; }

.js .li {
  display: inline-block;
  transform: translateY(115%);
  transition: transform 1.2s var(--ease);
}

body.is-loaded .hero .li { transform: translateY(0); }
body.is-loaded .hero-eyebrow .li:nth-child(1) { transition-delay: 1.15s; }
body.is-loaded .hero-eyebrow .li:nth-child(2) { transition-delay: 1.25s; }

.hero-title {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 11.5vw, 9.5rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  mix-blend-mode: difference;
  color: #fff;
}

.hero-title .line { display: block; }
.hero-title .line-2 { margin-left: clamp(3rem, 19vw, 19rem); }

body.is-loaded .hero-title .line:nth-of-type(1) .li { transition-delay: 0.35s; }
body.is-loaded .hero-title .line-2 .li { transition-delay: 0.5s; }

.hero-role {
  display: block;
  margin: 0.9rem 0 0.9rem clamp(1rem, 8vw, 8rem);
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 1.3vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  line-height: 1;
}

body.is-loaded .hero-role .li { transition-delay: 0.85s; }

.hero-media {
  position: absolute;
  z-index: 1;
  right: clamp(1rem, 9vw, 10rem);
  top: 50%;
  transform: translateY(-52%);
  width: clamp(240px, 27vw, 380px);
}

.hero-media .media-clip {
  aspect-ratio: 11 / 14;
  overflow: hidden;
}

.js .hero-media .media-clip {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1.4s var(--ease) 0.9s;
}

body.is-loaded .hero-media .media-clip { clip-path: inset(0 0 0 0); }
body.is-loaded .hero-media .media-clip.r-done { clip-path: none; }

.js .hero-media img {
  transform: scale(1.25);
  transition: transform 1.8s var(--ease) 0.9s;
}

body.is-loaded .hero-media img { transform: scale(1); }

.hero-media figcaption {
  margin-top: 1rem;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
}

.js .hero-media figcaption {
  opacity: 0;
  transition: opacity 1s ease 1.9s;
}

body.is-loaded .hero-media figcaption { opacity: 1; }

.hero-scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 1.9rem;
  z-index: 3; /* por encima del título (z-2) */
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}

.js .hero-scroll {
  opacity: 0;
  transition: opacity 1s ease 1.8s;
}

body.is-loaded .hero-scroll { opacity: 1; }

.scroll-line {
  width: 56px;
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  animation: scroll-sweep 2.2s var(--ease) infinite;
}

@keyframes scroll-sweep {
  0%   { transform: translateX(-100%); }
  55%  { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ── Patrón general de revelado (scroll) ────────────── */

.js .r-line .li { transform: translateY(115%); }
.r-line.in-view .li { transform: translateY(0); }

.r-fade {
  opacity: 1;
}

.js .r-fade {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.r-fade.in-view { opacity: 1; transform: none; }

/* OJO: el clip-reveal se observa desde el CONTENEDOR [data-reveal] (la figure),
   nunca desde el elemento clipado: Chromium hace que IntersectionObserver
   respete clip-path, y un elemento 100% clipado jamás interseca. */
.r-media {
  clip-path: none;
}

.js .r-media {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.3s var(--ease);
}
[data-reveal].in-view .r-media,
.r-media.in-view { clip-path: inset(0 0 0 0); }

/* al terminar la transición se retira el clip: menos trabajo de composición
   y evita fallos de raster en renderers por software */
[data-reveal].in-view .r-media.r-done,
.r-media.r-done { clip-path: none; }

.js .r-media img {
  transform: scale(1.22);
  transition: transform 1.8s var(--ease);
}
[data-reveal].in-view .r-media img,
.r-media.in-view img { transform: scale(1); }

/* el pie de foto entra después de la copia */
figure[data-reveal] figcaption {
  opacity: 1;
}

.js figure[data-reveal] figcaption {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.8s var(--ease) 0.5s, transform 0.8s var(--ease) 0.5s;
}
figure[data-reveal].in-view figcaption { opacity: 1; transform: none; }

/* contenedor de parallax: sangrado extra para poder desplazarse */
.media-clip { overflow: hidden; }

.ratio-3-4 { aspect-ratio: 3 / 4; }
.ratio-4-5 { aspect-ratio: 4 / 5; }
.ratio-16-10 { aspect-ratio: 16 / 10; }
.ratio-16-11 { aspect-ratio: 16 / 11; }

.par {
  position: relative;
  height: 112%;
  top: -6%;
  will-change: transform;
}

/* ── Manifiesto ─────────────────────────────────────── */

.manifesto {
  padding: var(--section-gap) var(--gutter);
  max-width: 70rem;
  margin: 0 auto;
  text-align: center;
}

.manifesto .label { margin-bottom: 3.25rem; }

.manifesto-text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 3.5vw, 2.6rem);
  line-height: 1.45;
  letter-spacing: -0.005em;
}

/* palabras partidas por JS */
.manifesto-text .w { display: inline-block; overflow: hidden; vertical-align: bottom; }
.manifesto-text .w > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s var(--ease);
}
.manifesto-text.in-view .w > span { transform: translateY(0); }

/* ── Encabezados de sección ─────────────────────────── */

.section-head {
  padding: 0 var(--gutter);
  margin-bottom: clamp(4.5rem, 10vh, 8rem);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem 3rem;
  align-items: end;
}

.section-head .label { grid-column: 1 / -1; }

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 5.2vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: 0;
}

/* ── Obra selecta: la cinta de negativos ────────────────
   Los fotogramas comprimidos leen como tiras de negativo;
   el activo se expande y «se revela» (brillo + escala). */

.obra { padding: var(--section-gap) 0 calc(var(--section-gap) * 1.1); }

.cinta { padding: 0 var(--gutter); }

.cinta-track {
  list-style: none;
  display: flex;
  gap: clamp(0.6rem, 1.4vw, 1.4rem);
  height: clamp(420px, 68vh, 720px);
}

.cinta-track > li {
  flex: 1 1 0%;
  min-width: 0;
  transition: flex-grow 1.1s var(--ease);
}

.cinta-track > li.is-active { flex-grow: 8.5; }

/* entrada escalonada sobre el botón: el <li> guarda su transform de carrusel */
.frame { opacity: 1; }
.js .frame { opacity: 0; }
.cinta.in-view .frame { animation: frame-rise 1s var(--ease) both; }
.cinta.in-view li:nth-child(1) .frame { animation-delay: 0.05s; }
.cinta.in-view li:nth-child(2) .frame { animation-delay: 0.12s; }
.cinta.in-view li:nth-child(3) .frame { animation-delay: 0.19s; }
.cinta.in-view li:nth-child(4) .frame { animation-delay: 0.26s; }
.cinta.in-view li:nth-child(5) .frame { animation-delay: 0.33s; }
.cinta.in-view li:nth-child(6) .frame { animation-delay: 0.40s; }

@keyframes frame-rise {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* modo carrusel (escritorio, lo activa el JS): posiciones absolutas,
   el fotograma activo siempre al centro, la cinta da la vuelta */
.cinta--carousel .cinta-track { position: relative; }

.cinta--carousel .cinta-track > li {
  position: absolute;
  top: 0;
  height: 100%;
  flex: none;
  transition: transform 1.1s var(--ease), width 1.1s var(--ease), opacity 0.45s ease;
}

/* recolocación silenciosa al dar la vuelta */
.cinta--carousel .cinta-track > li.is-teleport { transition: opacity 0.45s ease; }

.frame {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

.frame:focus-visible { outline: 1px solid var(--ink); outline-offset: 5px; }

.frame-media {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.frame-media img {
  filter: grayscale(1) brightness(0.22) contrast(1.18);
  transform: scale(1.18);
  transition: filter 1s var(--ease), transform 1.4s var(--ease);
}

.cinta-track > li.is-active .frame-media img {
  filter: grayscale(1) contrast(1.06);
  transform: scale(1);
}

@media (hover: hover) {
  /* las tiras vecinas insinúan su contenido al rozarlas */
  .cinta-track > li:not(.is-active) .frame:hover .frame-media img {
    filter: grayscale(1) brightness(0.45) contrast(1.12);
  }
}

/* pie de cinta: la serie activa se anuncia abajo, como en una galería */
.cinta-caption {
  display: grid;
  grid-template-columns: minmax(15rem, auto) 1fr auto;
  align-items: end;
  gap: 1.6rem 3.5rem;
  padding: 2.4rem var(--gutter) 0;
  margin-top: 0.4rem;
}

.cap-line { display: inline-block; overflow: hidden; vertical-align: bottom; }
.cap-line > span { display: inline-block; }
.cap-line > span.swap { animation: cap-in 0.7s var(--ease) both; }

@keyframes cap-in {
  from { transform: translateY(115%); }
  to   { transform: translateY(0); }
}

.cap-frame {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.7rem;
}

.cinta-caption .cap-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.3vw, 2.1rem);
  letter-spacing: 0;
  line-height: 1.05;
}

.cinta-caption .cap-meta {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.7rem;
}

.cap-desc {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  font-style: italic;
  line-height: 1.55;
  max-width: 34ch;
}

.cap-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.9rem;
}

.cap-btn {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink);
  background: none;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 1.05em 2.2em;
  cursor: pointer;
  transition: background 0.45s var(--ease), color 0.45s var(--ease);
}

.cap-btn:hover { background: var(--ink); color: var(--paper); }
.cap-btn:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }

.cap-count {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  color: var(--grey);
}

.cap-count span { color: var(--ink); }

/* ── Marquee: letanía del laboratorio ───────────────── */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.4rem 0;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 46s linear infinite;
}

.marquee-track span { white-space: nowrap; }

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* fuentes de los proyectos: ocultas con JS, legibles como respaldo sin JS */
.js .proyecto-data { display: none; }

html:not(.js) .proyecto-data {
  scroll-margin-top: 5rem;
  padding: var(--section-gap) var(--gutter);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

html:not(.js) .proyecto-data > h2 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  font-weight: 400;
  line-height: 1.04;
  margin-bottom: 2.5rem;
}

html:not(.js) .proyecto-data > dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 2rem;
  max-width: 42rem;
}

html:not(.js) .proyecto-data > dl dt {
  color: var(--grey);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}

html:not(.js) .proyecto-data > .texto {
  max-width: 42rem;
  margin-top: 2.5rem;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
}

html:not(.js) .proyecto-data > .galeria {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: 4rem;
}

html:not(.js) .proyecto-data > .galeria figcaption {
  margin-top: 0.8rem;
  color: var(--grey);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}

/* ── La sala de revelado: detalle de proyecto ───────── */

.proyecto-overlay {
  position: fixed;
  inset: 0;
  z-index: 110; /* por encima de la cabecera fija (100): es un modal a pantalla completa */
  background: var(--ink);
  color: var(--paper);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s var(--ease), visibility 0s 0.55s;
}

body.proyecto-open { overflow: hidden; }

body.proyecto-open .proyecto-overlay {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.55s var(--ease);
}

.proyecto-overlay .label { color: rgba(242, 239, 233, 0.5); }

.proyecto-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.4rem var(--gutter);
  mix-blend-mode: difference;
  color: #fff;
}

.proyecto-bar .label { color: rgba(255, 255, 255, 0.6); }

.proyecto-close {
  background: none;
  border: 0;
  color: inherit;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.4em 0;
}

.proyecto-close:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

.proyecto-hero {
  position: relative;
  width: 100%;
  height: 70vh;
  margin-top: -4.4rem; /* el hero sube hasta debajo de la barra */
  overflow: hidden;
}

.proyecto-hero img { filter: grayscale(1) contrast(1.06); }

.proyecto-inner { padding: 0 var(--gutter) 5rem; }

.proyecto-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  line-height: 1.04;
  letter-spacing: 0;
  margin: clamp(3rem, 7vh, 5rem) 0 3rem;
}

.proyecto-info {
  display: grid;
  grid-template-columns: minmax(15rem, 2fr) 3fr;
  gap: 2.5rem 5rem;
  padding-bottom: clamp(3.5rem, 9vh, 7rem);
}

.proyecto-meta { font-size: 0.8125rem; }

.proyecto-meta dt {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: rgba(242, 239, 233, 0.5);
  margin-top: 1.5rem;
}

.proyecto-meta dt:first-child { margin-top: 0; }
.proyecto-meta dd { margin-top: 0.35rem; }

.proyecto-texto p {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.75;
  max-width: 34em;
}

.proyecto-texto p + p { margin-top: 1.2rem; }

.proyecto-galeria {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: clamp(1rem, 2.5vw, 2.5rem);
}

.proyecto-galeria figure { position: relative; }
.proyecto-galeria figure:nth-child(4n + 1) { grid-column: 1 / 8; }
.proyecto-galeria figure:nth-child(4n + 2) { grid-column: 9 / 13; margin-top: 16vh; }
.proyecto-galeria figure:nth-child(4n + 3) { grid-column: 3 / 11; margin-top: 14vh; }
.proyecto-galeria figure:nth-child(4n) { grid-column: 2 / 8; margin-top: 14vh; }

.proyecto-galeria figcaption {
  margin-top: 1rem;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: rgba(242, 239, 233, 0.5);
}

.proyecto-next {
  margin-top: clamp(5rem, 12vh, 9rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-inv);
}

.proyecto-next button {
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
  padding: 0;
  margin-top: 1.2rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 4vw, 3.2rem);
  letter-spacing: 0;
  line-height: 1.15;
}

.proyecto-next button em { font-style: italic; }
.proyecto-next button:hover em { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.12em; }
.proyecto-next button:focus-visible { outline: 1px solid currentColor; outline-offset: 6px; }

/* clon FLIP: la copia viaja del fotograma a la sala */
.flip-clone {
  position: fixed;
  z-index: 120; /* por encima del overlay (110) durante la animación de apertura */
  overflow: hidden;
  pointer-events: none;
  transition: top 0.9s var(--ease), left 0.9s var(--ease), width 0.9s var(--ease), height 0.9s var(--ease), opacity 0.4s ease 0.05s;
}

.flip-clone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
}

/* ── Estudio ────────────────────────────────────────── */

.estudio { padding: var(--section-gap) 0; }

.estudio-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(2.5rem, 6vw, 7rem);
  padding: 0 var(--gutter);
  align-items: start;
}

.estudio-media { position: sticky; top: 7rem; max-width: 420px; }

.estudio-media figcaption {
  margin-top: 1rem;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
}

.estudio-body h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: 0;
  margin-bottom: 3rem;
}

.estudio-text p {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  line-height: 1.8;
  max-width: 36rem;
}

.estudio-text p + p { margin-top: 1.6rem; }

.estudio-lists {
  margin-top: 4.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.estudio-lists dt {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--grey);
  padding-bottom: 1rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.estudio-lists dd {
  font-size: 0.8125rem;
  line-height: 1.8;
  margin-bottom: 0.7rem;
}

/* ── Contacto ───────────────────────────────────────── */

.contacto {
  padding: var(--section-gap) var(--gutter) clamp(4rem, 12vh, 9rem);
}

.contacto-lead {
  margin-top: 2.5rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.8vw, 1.45rem);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

.contacto-cta {
  display: inline-block;
  margin: 2rem 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 11vw, 9.5rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  position: relative;
}

.contacto-cta::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.08em;
  width: 100%;
  height: 2px;
  background: var(--paper);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.7s var(--ease);
}

.contacto-cta:hover::after { transform: scaleX(1); transform-origin: left; }

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 1024px) {
  .cinta-track { height: clamp(380px, 56vh, 560px); }
  .cinta-track > li.is-active { flex-grow: 6.5; }
}

@media (max-width: 860px) {
  .js .site-nav { display: none; }
  .js .menu-btn { display: block; }

  html:not(.js) .site-head { align-items: center; }
  html:not(.js) .site-nav { gap: clamp(0.7rem, 3vw, 1.4rem); }
  html:not(.js) .site-nav a { letter-spacing: 0.12em; }

  .hero { justify-content: flex-end; padding-bottom: 7rem; }
  .hero-eyebrow { top: 6.5rem; }

  .hero-media {
    position: relative;
    right: auto; top: auto;
    transform: none;
    width: min(72vw, 340px);
    margin: 10rem 0 2.5rem auto;
  }

  .hero-title { font-size: clamp(3rem, 15vw, 6rem); }
  .hero-title .line-2 { margin-left: 14vw; }
  .mark-tl, .mark-tr { top: 5rem; }

  .section-head { grid-template-columns: 1fr; align-items: start; }
  /* en táctil la cinta se desliza horizontal con scroll-snap */
  .cinta { padding: 0; }

  .cinta-track {
    height: clamp(360px, 58vh, 520px);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--gutter);
    padding: 0 var(--gutter);
    scrollbar-width: none;
  }

  .cinta-track::-webkit-scrollbar { display: none; }

  .cinta-track > li,
  .cinta-track > li.is-active {
    flex: 0 0 78vw;
    scroll-snap-align: center;
  }

  /* sin tiras comprimidas: todos los fotogramas se muestran revelados */
  .frame-media img,
  .cinta-track > li.is-active .frame-media img {
    filter: grayscale(1) contrast(1.06);
    transform: scale(1);
  }

  .cinta-caption { grid-template-columns: 1fr; align-items: start; gap: 1.2rem; }

  .cap-actions {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 0.4rem;
  }

  /* la sala, a una columna */
  .proyecto-hero { height: 52vh; }
  .proyecto-info { grid-template-columns: 1fr; gap: 2rem; }

  .proyecto-galeria figure:nth-child(4n + 1),
  .proyecto-galeria figure:nth-child(4n + 2),
  .proyecto-galeria figure:nth-child(4n + 3),
  .proyecto-galeria figure:nth-child(4n) {
    grid-column: 1 / -1;
    margin-top: 3.2rem;
  }

  .proyecto-galeria figure:first-child { margin-top: 0; }

  .estudio-grid { grid-template-columns: 1fr; }
  .estudio-media { position: static; max-width: 340px; }
  .estudio-lists { grid-template-columns: 1fr; }

  html:not(.js) .proyecto-data > .galeria { grid-template-columns: 1fr; }

}

/* ── Objetivos táctiles cómodos (dispositivos de dedo) ──
   Amplía el área de toque a ~44px sin tocar el tamaño visual del texto. */

@media (pointer: coarse) {
  .menu-btn, .brand, .hero-scroll, .proyecto-close, .menu-foot a {
    position: relative;
  }

  /* expansión SOLO vertical (el alto es la dimensión escasa); horizontal a 0 para
     no provocar overflow lateral en elementos pegados al borde de la pantalla */
  .menu-btn::after, .brand::after, .hero-scroll::after,
  .proyecto-close::after, .menu-foot a::after {
    content: "";
    position: absolute;
    inset: -16px 0;
  }

  /* los enlaces de nav (tablets táctiles) usan ::before: el ::after ya es su subrayado */
  .site-nav a::before {
    content: "";
    position: absolute;
    inset: -16px 0;
  }

  /* el botón principal crece a un tamaño cómodo de pulsar */
  .cap-btn { padding: 1rem 2rem; }

  /* enlaces de contacto: más altura de toque entre líneas */
  .estudio-lists dd a { display: inline-block; padding: 0.3rem 0; }

  /* sin hovers «pegados» en táctil: el zoom de las copias solo en ratón */
  .frame-media img { transition: filter 1s var(--ease); }
}

/* ── Movimiento reducido ────────────────────────────── */

html.reduced-motion { scroll-behavior: auto; }

html.reduced-motion *,
html.reduced-motion *::before,
html.reduced-motion *::after {
  animation: none !important;
  transition: none !important;
}

html.reduced-motion body.is-loaded .preloader {
  display: none;
  transform: none;
  opacity: 0;
  pointer-events: none;
}

html.reduced-motion .r-media,
html.reduced-motion .hero-media .media-clip { clip-path: none; }

html.reduced-motion .r-media img,
html.reduced-motion .hero-media img,
html.reduced-motion .par { transform: none !important; }

html.reduced-motion figure[data-reveal] figcaption {
  opacity: 1;
  transform: none;
}

html.reduced-motion .frame { opacity: 1; }
html.reduced-motion .flip-clone { display: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  body.is-loaded .preloader {
    display: none;
    transform: none;
    opacity: 0;
    pointer-events: none;
  }

  .r-media, .hero-media .media-clip { clip-path: none; }
  .r-media img, .hero-media img, .par { transform: none !important; }
  figure[data-reveal] figcaption { opacity: 1; transform: none; }
  .frame { opacity: 1; }
  .flip-clone { display: none; }
}