/* ============================================================
   MOTION — capa de movimiento
   Estados: html[data-motion="low"]  y  html.no-motion
   ============================================================ */

/* ---------- Keyframes ---------- */
@keyframes marquee {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
@keyframes preview-in {
  from { clip-path: inset(0 0 100% 0); transform: scale(1.05); }
  to   { clip-path: inset(0); transform: scale(1); }
}
@keyframes case-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
@keyframes case-out {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(-10px); }
}
@keyframes sheet-deal {
  from { opacity: 0; transform: translateY(46px) rotate(calc(var(--r, 0deg) + 8deg)) scale(0.92); }
}

/* ---------- Marquesina y manifiesto ---------- */
.marquee__track { animation: marquee 36s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }

.manifesto__track { animation: marquee 82s linear infinite; }
.manifesto__track--rev { animation-direction: reverse; animation-duration: 104s; }
.manifesto:hover .manifesto__track { animation-play-state: paused; }

/* ---------- Reveals ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
  transition-delay: calc(var(--d, 0) * 80ms);
}
html.js [data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Textura CRT del visor ---------- */
@keyframes crt-grain {
  0%   { background-position: 0 0; }
  20%  { background-position: -43px 27px; }
  40%  { background-position: 31px -51px; }
  60%  { background-position: -17px -23px; }
  80%  { background-position: 57px 13px; }
  100% { background-position: 0 0; }
}
@keyframes crt-roll {
  from { background-position: 0 -120%, 0 0; }
  to   { background-position: 0 120%, 0 0; }
}
@keyframes crt-flicker {
  0%, 100% { opacity: 0.9; }
  7%       { opacity: 0.78; }
  9%       { opacity: 0.9; }
  54%      { opacity: 0.84; }
  56%      { opacity: 0.9; }
}
.preview__crt::before {
  animation: crt-grain 0.36s steps(1) infinite;
}
.preview__crt::after {
  animation: crt-roll 5s linear infinite, crt-flicker 4.6s steps(1) infinite;
}

/* ---------- Encendido y apagado del visor ---------- */
@keyframes tv-off {
  0%   { transform: scale(1); filter: brightness(1); }
  50%  { transform: scale(1, 0.012); filter: brightness(2.6); }
  76%  { transform: scale(0.4, 0.012); filter: brightness(3.4); }
  90%  { transform: scale(0.03, 0.01); filter: brightness(4); }
  100% { transform: scale(0, 0.01); filter: brightness(4); }
}
@keyframes tv-off-fade {
  0%, 60% { opacity: 0; }
  100%    { opacity: 1; }
}
@keyframes tv-line {
  0%, 35% { width: 0; opacity: 0; }
  60%     { width: 100%; opacity: 1; }
  82%     { width: 28%; opacity: 1; }
  100%    { width: 0; opacity: 0; }
}
@keyframes tv-on {
  0%   { transform: scale(0, 0.01); filter: brightness(4); }
  55%  { transform: scale(1, 0.012); filter: brightness(2.4); }
  100% { transform: scale(1); filter: brightness(1); }
}
@keyframes tv-on-fade {
  from { opacity: 1; }
  to   { opacity: 0; }
}
.monitor.is-off .preview__frame > img,
.monitor.is-off .preview__crt { animation: tv-off 540ms cubic-bezier(0.55, 0, 0.45, 1) forwards; }
.monitor.is-off .preview__off { animation: tv-off-fade 540ms linear forwards; }
.monitor.is-off .preview__off::after { animation: tv-line 540ms ease-out forwards; }
.monitor.is-on .preview__frame > img,
.monitor.is-on .preview__crt { animation: tv-on 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.monitor.is-on .preview__off { animation: tv-on-fade 420ms linear both; }

/* ---------- Cambio de proyecto en el visor ---------- */
.preview.is-swapping .preview__frame img {
  animation: preview-in 420ms var(--ease) both;
}

/* ---------- Página de proyecto ---------- */
.case[open] .case__page { animation: case-in 560ms var(--ease) both; }
.case.is-closing .case__page { animation: case-out 200ms var(--ease) both; }

/* ---------- Nivel BAJO / sin movimiento ---------- */
html[data-motion="low"] .marquee__track,
html.no-motion .marquee__track,
html[data-motion="low"] .manifesto__track,
html.no-motion .manifesto__track { animation: none; }

html[data-motion="low"] .preview.is-swapping .preview__frame img,
html.no-motion .preview.is-swapping .preview__frame img { animation: none; }

/* La textura sigue ahí, pero quieta. */
html[data-motion="low"] .preview__crt::before,
html[data-motion="low"] .preview__crt::after,
html.no-motion .preview__crt::before,
html.no-motion .preview__crt::after { animation: none; }

html[data-motion="low"] .monitor.is-off .preview__frame > img,
html[data-motion="low"] .monitor.is-off .preview__crt,
html[data-motion="low"] .monitor.is-off .preview__off,
html[data-motion="low"] .monitor.is-on .preview__frame > img,
html[data-motion="low"] .monitor.is-on .preview__crt,
html[data-motion="low"] .monitor.is-on .preview__off,
html.no-motion .monitor.is-off .preview__frame > img,
html.no-motion .monitor.is-off .preview__crt,
html.no-motion .monitor.is-off .preview__off,
html.no-motion .monitor.is-on .preview__frame > img,
html.no-motion .monitor.is-on .preview__crt,
html.no-motion .monitor.is-on .preview__off { animation: none; }
@media (prefers-reduced-motion: reduce) {
  .preview__crt::before,
  .preview__crt::after { animation: none; }
  .monitor .preview__frame > img,
  .monitor .preview__crt,
  .monitor .preview__off,
  .monitor .preview__off::after { animation: none !important; }
}

html[data-motion="low"] .case__page,
html.no-motion .case__page,
html[data-motion="low"] .case__zoom,
html.no-motion .case__zoom { animation: none; transition: none; }

html[data-motion="low"] .sheet__item,
html.no-motion .sheet__item { animation: none; }

/* La rueda sigue funcionando, pero sin transición de giro. */
html[data-motion="low"] .project,
html[data-motion="low"] .project__open,
html.no-motion .project,
html.no-motion .project__open { transition: none; }

html.no-motion [data-reveal] {
  opacity: 1;
  transform: none;
  transition: none;
}
html.no-motion { scroll-behavior: auto; }

/* ---------- Gato de los juguetes ---------- */
.cat {
  position: fixed;
  left: 0;
  bottom: var(--cat-y, 14vh);
  z-index: 94;
  width: var(--cat-w, 110px);
  pointer-events: none;
  will-change: transform;
  animation: cat-run var(--cat-dur, 2.8s) linear forwards;
}
.cat--rev { animation-name: cat-run-rev; }
.cat__body { display: block; }
.cat--rev .cat__body { transform: scaleX(-1); }
.cat__svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  fill: none;
  stroke: none;
  animation: cat-bob 0.18s steps(2) infinite alternate;
}
.cat__svg path,
.cat__svg rect { vector-effect: non-scaling-stroke; }
/* Gato blanco con negro: cuerpo de papel y trazo de tinta. */
.cat__fur {
  fill: #faf6ec;
  stroke: #121110;
  stroke-width: 1.5;
  stroke-linejoin: miter;
  paint-order: stroke fill;
}
/* Las piezas negras llevan un contorno de papel: sobre la noche no se
   pierden y sobre el pelaje claro el contorno se funde con el cuerpo. */
.cat__tail path,
.cat__legs rect {
  fill: #121110;
  stroke: #faf6ec;
  stroke-width: 1.2;
  stroke-linejoin: miter;
  paint-order: stroke fill;
}
.cat__eye,
.cat__nose { fill: #121110; }
.cat__collar { fill: var(--magenta); }
.cat__leg {
  transform-box: fill-box;
  transform-origin: 50% 0;
  animation: cat-leg 0.18s steps(2) infinite alternate;
}
.cat__leg--b,
.cat__leg--d { animation-delay: -0.09s; }
.cat__tail {
  transform-box: fill-box;
  transform-origin: 100% 50%;
  animation: cat-tail 0.42s ease-in-out infinite alternate;
}
.cat__bubble {
  position: absolute;
  left: 62%;
  bottom: 86%;
  padding: 0.22rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-accent);
  background: var(--yellow);
  border: 2px solid var(--line);
  box-shadow: 3px 3px 0 var(--line);
  transform: rotate(-4deg);
  animation: cat-miau 2.8s ease both;
}
.cat--rev .cat__bubble {
  left: auto;
  right: 62%;
  transform: rotate(4deg);
}

/* Sin carrera: aparece centrado y se retira solo. */
.cat--still,
html[data-motion="low"] .cat,
html.no-motion .cat {
  top: 50%;
  bottom: auto;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: none;
}
.cat--still .cat__svg,
.cat--still .cat__leg,
.cat--still .cat__tail,
.cat--still .cat__bubble,
html[data-motion="low"] .cat__svg,
html[data-motion="low"] .cat__leg,
html[data-motion="low"] .cat__tail,
html[data-motion="low"] .cat__bubble,
html.no-motion .cat__svg,
html.no-motion .cat__leg,
html.no-motion .cat__tail,
html.no-motion .cat__bubble { animation: none; }
.cat--still .cat__bubble { opacity: 1; }

@keyframes cat-run {
  from { transform: translate3d(-20vw, 0, 0); }
  to   { transform: translate3d(120vw, 0, 0); }
}
@keyframes cat-run-rev {
  from { transform: translate3d(120vw, 0, 0); }
  to   { transform: translate3d(-20vw, 0, 0); }
}
@keyframes cat-bob {
  from { transform: translateY(0); }
  to   { transform: translateY(-2px); }
}
@keyframes cat-leg {
  from { transform: translateY(0); }
  to   { transform: translateY(-1.5px); }
}
@keyframes cat-tail {
  from { transform: rotate(-8deg); }
  to   { transform: rotate(10deg); }
}
@keyframes cat-miau {
  0%, 6%   { opacity: 0; transform: rotate(-4deg) translateY(4px); }
  16%, 44% { opacity: 1; transform: rotate(-4deg) translateY(0); }
  58%, 100% { opacity: 0; }
}
.cat--rev .cat__bubble { animation-name: cat-miau-rev; }
@keyframes cat-miau-rev {
  0%, 6%   { opacity: 0; transform: rotate(4deg) translateY(4px); }
  16%, 44% { opacity: 1; transform: rotate(4deg) translateY(0); }
  58%, 100% { opacity: 0; }
}

/* ---------- Confeti, sellos y sacudida ---------- */
@keyframes confetti-fall {
  to { transform: translate3d(var(--dx, 0), 118vh, 0) rotate(var(--spin, 540deg)); }
}
@keyframes stamp-in {
  from { opacity: 0; transform: rotate(var(--stamp-rot, -6deg)) scale(1.35); }
  to   { opacity: 1; transform: rotate(var(--stamp-rot, -6deg)) scale(1); }
}
@keyframes toy-shake {
  0%, 100% { transform: none; }
  15% { transform: translate(-7px, 4px) rotate(-0.4deg); }
  35% { transform: translate(6px, -3px) rotate(0.5deg); }
  55% { transform: translate(-4px, 2px) rotate(-0.3deg); }
  75% { transform: translate(3px, -1px) rotate(0.2deg); }
}
main.is-shaking { animation: toy-shake 0.55s var(--ease-io); }

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .case[open] .case__page,
  .case.is-closing .case__page { animation: none; }
  .case__zoom { transition: none; }
  .cat { top: 50%; bottom: auto; left: 50%; transform: translate(-50%, -50%); animation: none !important; }
  .cat__svg,
  .cat__leg,
  .cat__tail,
  .cat__bubble { animation: none !important; }
  .stamp { animation: none; }
  .fx__piece { display: none; }
  main.is-shaking { animation: none; }
  .sheet__item { animation: none; }
}