/* ==========================================================================
   MNDZA Studio — sistema visual v2
   Estructura y ritmo inspirados en Toormix (barra superior con logotipo,
   navegación flotante inferior, héroe con tarjetas que giran, servicios en
   acordeón, carruseles de proyectos y preguntas, cinta de trabajo reciente),
   con identidad propia: emblema y letras MNDZA modelados en 3D, naranja
   señal como acento y tipografía Archivo condensada.
   ========================================================================== */

@layer reset, tokens, base, components, sections, pages, motion, utilities;

/* -------------------------------------------------------------------------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  img, picture, svg, video, canvas { display: block; max-width: 100%; }
  img { height: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { background: none; border: 0; padding: 0; cursor: pointer; }
  a { color: inherit; text-decoration: none; }
  ol[role="list"], ul[role="list"] { list-style: none; padding: 0; }
  p, h1, h2, h3, h4 { overflow-wrap: break-word; }
  dialog { color: inherit; }
  summary { list-style: none; }
  summary::-webkit-details-marker { display: none; }
}

/* -------------------------------------------------------------------------- */
@layer tokens {
  @font-face {
    font-family: "Archivo";
    src: url("../fonts/archivo-var.woff2") format("woff2-variations"),
         url("../fonts/archivo-var.woff2") format("woff2");
    font-weight: 400 800;
    font-stretch: 62% 125%;
    font-display: swap;
  }
  @font-face {
    font-family: "Archivo Fallback";
    src: local("Arial"), local("Helvetica Neue"), local("Helvetica");
    size-adjust: 108%; ascent-override: 81%; descent-override: 19.5%; line-gap-override: 0%;
  }
  @font-face {
    font-family: "Archivo Condensed Fallback";
    src: local("Arial Narrow"), local("Helvetica Neue Condensed Bold"), local("Arial");
    size-adjust: 92%; ascent-override: 92%; descent-override: 22%;
  }
  @font-face { font-family: "IBM Plex Mono"; src: url("../fonts/plex-mono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
  @font-face { font-family: "IBM Plex Mono"; src: url("../fonts/plex-mono-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

  :root {
    /* Color */
    --black: #000;
    --white: #fff;
    --ink: #111;
    --grey: #ededed;
    --grey-2: #d6d6d6;
    --muted: #5c5c5c;            /* 6.6:1 sobre blanco */
    --accent: #ff5a1f;           /* naranja señal: acento único, sobrio y de alto contraste con negro */
    --on-accent: #000;           /* 6.7:1 sobre el acento */

    /* Tipografía */
    --sans: "Archivo", "Archivo Fallback", system-ui, sans-serif;
    --display: "Archivo", "Archivo Condensed Fallback", "Arial Narrow", sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

    --fs-mega: clamp(4.25rem, 0.5rem + 19.5vw, 18.5rem);   /* títulos de sección */
    --fs-xl: clamp(3rem, 1.2rem + 5.6vw, 6.75rem);          /* servicios, títulos de caso */
    --fs-lg: clamp(2.125rem, 1rem + 4.1vw, 4.75rem);        /* manifiesto */
    --fs-md: clamp(1.625rem, 1rem + 2.2vw, 3rem);           /* preguntas, subtítulos */
    --fs-card: clamp(1.5rem, 1.05rem + 1.1vw, 2.375rem);
    --fs-body-lg: clamp(1.125rem, 1rem + 0.55vw, 1.5rem);
    --fs-body: clamp(1rem, 0.96rem + 0.18vw, 1.125rem);
    --fs-mono: clamp(0.8125rem, 0.76rem + 0.22vw, 1rem);
    --fs-mono-s: 0.8125rem;

    /* Espacio */
    --pad: clamp(1rem, 0.45rem + 1.75vw, 2rem);
    --gap: clamp(0.5rem, 0.3rem + 0.6vw, 1rem);
    --space-s: clamp(1rem, 0.8rem + 0.8vw, 1.5rem);
    --space-m: clamp(2rem, 1.5rem + 2vw, 3.5rem);
    --space-l: clamp(3.5rem, 2.4rem + 4.5vw, 7rem);
    --space-xl: clamp(5rem, 3rem + 8vw, 11rem);
    --dock-space: 6.5rem;

    --r: clamp(0.75rem, 0.6rem + 0.3vw, 1rem);
    --r-s: 0.5rem;

    /* Movimiento */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-in: cubic-bezier(0.55, 0, 0.9, 0.4);
    --dur-1: 160ms;
    --dur-2: 320ms;
    --dur-3: 700ms;
    --dur-4: 1100ms;

    interpolate-size: allow-keywords;
  }
}

/* -------------------------------------------------------------------------- */
@layer base {
  html { background: var(--white); scroll-padding-top: 1.5rem; scrollbar-gutter: stable; }
  @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
  body {
    min-height: 100svh;
    background: var(--white);
    color: var(--black);
    font-family: var(--sans);
    font-size: var(--fs-body);
    font-stretch: 100%;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  ::selection { background: var(--accent); color: var(--on-accent); }
  :focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
  main:focus { outline: none; }
  h1, h2, h3 { font-weight: 700; line-height: 1; }
}

/* -------------------------------------------------------------------------- */
@layer components {
  .t-mono {
    font-family: var(--mono);
    font-size: var(--fs-mono);
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.3;
    text-transform: uppercase;
    font-stretch: normal;
  }
  .t-num { font-variant-numeric: tabular-nums; }
  .icon { width: 1.2em; height: 1.2em; flex: none; }

  /* Titular de sección enorme, condensado */
  .mega {
    font-family: var(--display);
    font-stretch: 62%;
    font-weight: 700;
    font-size: var(--fs-mega);
    line-height: 0.8;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    margin-left: -0.03em;
  }
  .mega--md { font-size: var(--fs-xl); line-height: 0.86; }

  /* Ajuste para que una palabra nunca se parta (unidades de contenedor). */
  .fit { font-size: min(var(--fit-max, var(--fs-xl)), calc(var(--fit-w, 100cqi) / (var(--longest, 8) * var(--fit-k, 0.5)))); overflow-wrap: normal; }

  .mask { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
  .mask__inner { display: block; }

  /* Logotipo */
  .logo { --logo-h: 1.75rem; display: inline-flex; align-items: center; gap: calc(var(--logo-h) * 0.43); }
  .logo__emblem { height: var(--logo-h); width: auto; aspect-ratio: 1; }
  .logo__wordmark { height: calc(var(--logo-h) * 0.46); width: auto; aspect-ratio: 1295 / 119; }
  .emblem { aspect-ratio: 1; }

  /* Botones píldora */
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 0.7em;
    min-height: 3rem;
    padding: 0.8rem 1.4rem;
    border-radius: 2.5rem;
    background: var(--black);
    color: var(--white);
    font-family: var(--mono);
    font-size: var(--fs-mono);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    transition: background-color var(--dur-2) var(--ease-io), color var(--dur-2) var(--ease-io);
  }
  .pill .icon { transition: transform var(--dur-2) var(--ease-out); }
  .pill:hover { background: var(--accent); color: var(--on-accent); }
  .pill:hover .icon { transform: translateX(0.25em); }
  .pill--accent { background: var(--accent); color: var(--on-accent); }
  .pill--accent:hover { background: var(--black); color: var(--white); }
  .pill--small { min-height: 2.5rem; padding: 0.55rem 1.1rem; }

  /* Etiquetas */
  .tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    padding: 0.32rem 0.7rem;
    border: 1px solid currentColor;
    border-radius: 2.5rem;
    font-family: var(--mono);
    font-size: var(--fs-mono-s);
    font-weight: 500;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  a.tag:hover, .tag--btn:hover { background: var(--black); color: var(--white); border-color: var(--black); }
  .tag--btn { min-height: 2.5rem; padding-inline: 1rem; font-size: var(--fs-mono); transition: background-color var(--dur-1) linear, color var(--dur-1) linear; }
  .tag--btn[aria-pressed="true"] { background: var(--black); color: var(--white); border-color: var(--black); }

  .link-mono {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    font-family: var(--mono);
    font-size: var(--fs-mono);
    font-weight: 500;
    text-transform: uppercase;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.25em;
  }
  .link-mono .icon { transition: transform var(--dur-2) var(--ease-out); }
  .link-mono:hover .icon { transform: translateX(0.25em); }

  .section-label { color: var(--muted); padding-bottom: var(--space-s); }

  /* ---------------- Barra superior ---------------- */
  .topbar {
    display: grid;
    place-items: center;
    height: clamp(3.25rem, 2.9rem + 1vw, 3.9rem);
    background: var(--black);
    color: var(--white);
  }
  .topbar__logo { display: inline-flex; padding: 0.5rem; }
  .draft-note p { margin: 0; }
  .draft-note { margin: 0; padding: 0.4rem var(--pad); background: var(--black); color: #b8b8b8; border-bottom: 1px solid #2a2a2a; font-size: 0.6875rem; letter-spacing: 0.06em; text-align: center; }
  .topbar__mark { --logo-h: clamp(1.5rem, 1.25rem + 0.6vw, 1.9rem); }
  @media (max-width: 22.5em) { .topbar__mark .logo__wordmark { display: none; } }

  /* ---------------- Navegación flotante ---------------- */
  .dock {
    position: fixed;
    left: 50%;
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 60;
    display: flex;
    gap: 0.375rem;
    translate: -50% 0;
    transition: translate var(--dur-2) var(--ease-out), opacity var(--dur-2) linear;
  }
  .dock__home {
    display: grid;
    place-items: center;
    width: 3.5rem;
    height: 2.75rem;
    border-radius: var(--r-s);
    background: var(--accent);
    color: var(--on-accent);
    box-shadow: 0 6px 24px rgb(0 0 0 / 0.18);
    transition: transform var(--dur-2) var(--ease-out);
  }
  .dock__home:hover { transform: rotate(-8deg); }
  .dock__emblem { width: 1.75rem; height: 1.75rem; }
  .dock__bar {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    padding: 0.125rem;
    border-radius: 0.625rem;
    background: #e2e2e2;
    color: var(--black);
    box-shadow: 0 6px 24px rgb(0 0 0 / 0.18);
  }
  .dock__links { display: none; }
  .dock__links a, .dock__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    min-width: 2.75rem;
    padding: 0 0.9rem;
    border-radius: var(--r-s);
    font-family: var(--mono);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    transition: background-color var(--dur-1) linear, color var(--dur-1) linear;
  }
  .dock__links a:hover, .dock__btn:hover, .dock__links a[aria-current="page"] { background: var(--black); color: var(--white); }
  .dock__search { padding: 0 0.7rem; }
  @media (min-width: 48em) {
    .dock__links { display: flex; gap: 0.125rem; }
    .dock__menu { display: none !important; }
  }

  /* ---------------- Capas: menú y búsqueda ---------------- */
  dialog.overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100dvh;
    max-height: none;
    padding: 0;
    border: 0;
    overflow: hidden auto;
    overscroll-behavior: contain;
  }
  dialog.overlay::backdrop { background: transparent; }

  .menu { background: var(--black); color: var(--white); }
  .menu__inner { min-height: 100dvh; display: grid; align-content: start; gap: var(--space-m); padding: var(--pad) var(--pad) calc(var(--pad) + 1rem); }
  .menu__top { display: flex; justify-content: space-between; align-items: center; }
  .menu__logo .logo { --logo-h: 1.6rem; }
  .menu__close { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding: 0 0.9rem; border-radius: var(--r-s); background: var(--accent); color: var(--on-accent); font-family: var(--mono); font-weight: 500; text-transform: uppercase; font-size: 0.875rem; }
  .menu__primary a {
    display: block;
    font-family: var(--display);
    font-stretch: 62%;
    font-weight: 700;
    font-size: clamp(3.5rem, 2rem + 8vw, 9rem);
    line-height: 0.86;
    text-transform: uppercase;
    transition: color var(--dur-1) linear;
  }
  .menu__primary a:hover, .menu__primary a[aria-current="page"] { color: var(--accent); }
  .menu__label { color: #a8a8a8; margin-bottom: 0.75rem; }
  .menu__projects ol { display: grid; gap: 0.15rem; }
  .menu__projects a { font-family: var(--mono); font-size: var(--fs-mono); text-transform: uppercase; display: inline-flex; gap: 0.75rem; padding-block: 0.3rem; }
  .menu__projects a:hover, .menu__projects a[aria-current="page"] { color: var(--accent); }
  .menu__search { justify-self: start; display: inline-flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; padding: 0 1.1rem; border: 1px solid currentColor; border-radius: 2.5rem; font-family: var(--mono); text-transform: uppercase; font-size: 0.875rem; }

  .search { background: var(--white); color: var(--black); }
  .search__panel { padding: var(--pad) var(--pad) var(--space-l); max-width: 80rem; margin-inline: auto; }
  .search__label { display: block; margin-bottom: 0.75rem; font-family: var(--mono); font-size: var(--fs-mono); text-transform: uppercase; color: var(--muted); }
  .search__field { display: flex; align-items: center; gap: 0.5rem; border-bottom: 2px solid var(--black); }
  .search__submit { display: inline-grid; place-items: center; min-width: 2.75rem; min-height: 2.75rem; }
  .search__icon { width: clamp(1.5rem, 1.1rem + 1.2vw, 2.4rem); height: auto; }
  .search__input {
    flex: 1; min-width: 0; padding-block: 0.15em; border: 0; background: transparent;
    font-family: var(--display); font-stretch: 62%; font-weight: 700; text-transform: uppercase;
    font-size: clamp(2.5rem, 1.2rem + 5vw, 6rem); line-height: 1;
  }
  .search__input::placeholder { color: #8a8a8a; }
  .search__input:focus-visible { outline: none; }
  .search__field:focus-within { border-bottom-color: var(--accent); }
  .search__input::-webkit-search-cancel-button { display: none; }
  .search .hdr-btn { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding: 0 0.9rem; border-radius: var(--r-s); background: var(--black); color: var(--white); font-family: var(--mono); font-size: 0.875rem; text-transform: uppercase; }
  .search__status { margin-block: 1rem 0.5rem; color: var(--muted); }
  .search__results a { display: grid; grid-template-columns: 3.5rem 2rem 1fr auto; align-items: center; gap: 0.75rem; padding-block: 0.6rem; border-top: 1px solid var(--grey-2); }
  .search__results li:last-child a { border-bottom: 1px solid var(--grey-2); }
  .search__results a:hover, .search__results a:focus-visible { background: var(--grey); }
  .search__thumb { width: 3.5rem; aspect-ratio: 1; overflow: hidden; border-radius: var(--r-s); background: var(--grey); }
  .search__thumb picture, .search__thumb img { width: 100%; height: 100%; object-fit: cover; }
  .search__name { font-family: var(--display); font-stretch: 62%; font-weight: 700; text-transform: uppercase; font-size: var(--fs-card); line-height: 1; }
  .search__disc { display: none; font-family: var(--mono); font-size: var(--fs-mono-s); text-transform: uppercase; color: var(--muted); }
  .search__arrow { transition: transform var(--dur-2) var(--ease-out); }
  .search__results a:hover .search__arrow { transform: translateX(0.3em); }
  .search__empty { max-width: 40ch; margin-top: 1rem; font-size: var(--fs-body-lg); }
  @media (min-width: 48em) {
    .search__results a { grid-template-columns: 4rem 2.5rem 1fr 12rem auto; }
    .search__thumb { width: 4rem; }
    .search__disc { display: block; }
  }

  /* ---------------- Tarjetas de proyecto ---------------- */
  .card__link { display: grid; gap: 0.75rem; }
  .card__media { position: relative; overflow: hidden; border-radius: var(--r); background: var(--grey); aspect-ratio: 1.116; }
  .card--tall .card__media { aspect-ratio: 0.746; }
  .card--mid .card__media { aspect-ratio: 1.024; }
  .card__media picture, .card__media img { width: 100%; height: 100%; object-fit: cover; }
  .card__media img { transition: transform var(--dur-4) var(--ease-out); }
  .card__link:hover .card__media img { transform: scale(1.04); }
  .card__title { font-family: var(--display); font-stretch: 62%; font-weight: 700; font-size: var(--fs-card); line-height: 0.95; text-transform: uppercase; }
  .card__tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }

  /* ---------------- Carriles desplazables ---------------- */
  .rail { container-type: inline-size; }
  .rail__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: var(--gap) var(--pad); padding: 0 var(--pad) var(--space-s); }
  .rail__head .mega { font-size: min(var(--fs-mega), calc(100cqi / 6)); }
  .rail__head .mega--md { font-size: min(var(--fs-xl), calc(100cqi / 7.5)); }
  .rail__ctrl { display: flex; gap: 0.375rem; }
  .rail__btn { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: var(--r-s); background: var(--black); color: var(--white); transition: background-color var(--dur-1) linear, opacity var(--dur-1) linear; }
  .rail__btn:hover { background: var(--accent); color: var(--on-accent); }
  .rail__btn[disabled] { opacity: 0.25; pointer-events: none; }
  .rail__track {
    display: flex;
    align-items: flex-start;
    gap: var(--gap);
    padding: 0 var(--pad) var(--space-s);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--pad);
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }
  .rail__track::-webkit-scrollbar { display: none; }
  .rail__track img { -webkit-user-drag: none; user-select: none; }
  .rail__track:focus-visible { outline-offset: -4px; }
  .rail__track > li { flex: 0 0 clamp(16.5rem, 41.4vw, 40rem); scroll-snap-align: start; }
  .rail__track.is-dragging { cursor: grabbing; scroll-snap-type: none; }
  .rail__track.is-dragging a { pointer-events: none; }
  .rail > .pill { margin: var(--space-s) var(--pad) 0; }
  @media (max-width: 47.99em) { .rail__track > li { flex-basis: 80vw; } }

  /* ---------------- Formularios (contacto) ---------------- */
  .form { display: grid; gap: var(--space-s) var(--gap); grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field { display: grid; gap: 0.4rem; grid-column: 1 / -1; min-width: 0; border: 0; padding: 0; }
  @media (min-width: 48em) { .field:not(.field--wide, .field--choices) { grid-column: auto; } }
  .field label, .field legend { font-family: var(--mono); font-size: var(--fs-mono-s); text-transform: uppercase; }
  .field input, .field textarea { width: 100%; padding: 0.6rem 0; border: 0; border-bottom: 1px solid #555; border-radius: 0; background: transparent; font-size: var(--fs-body-lg); }
  .field textarea { resize: vertical; min-height: 8rem; }
  .field input:focus-visible, .field textarea:focus-visible { outline: none; border-bottom: 2px solid var(--accent); margin-bottom: -1px; }
  .field [aria-invalid="true"] { border-bottom-color: #b3261e; }
  .field__error { color: #9c1f17; font-size: var(--fs-mono-s); }
  .choices { display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .choice { position: relative; display: inline-flex; }
  .choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
  .choice span { display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0.5rem 1rem; border: 1px solid #555; border-radius: 2.5rem; font-family: var(--mono); font-size: var(--fs-mono-s); text-transform: uppercase; }
  .choice input:checked + span { background: var(--black); color: var(--white); border-color: var(--black); }
  .choice input:focus-visible + span { outline: 2px solid var(--black); outline-offset: 3px; }
  .form__hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
  .form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; }
  .form__req { color: var(--muted); }
  .form__status { grid-column: 1 / -1; font-size: var(--fs-body-lg); min-height: 1.5em; }
  .form__status.is-error { color: #9c1f17; }
  .btn { display: inline-flex; align-items: center; gap: 0.7em; min-height: 3rem; padding: 0.8rem 1.4rem; border-radius: 2.5rem; background: var(--black); color: var(--white); font-family: var(--mono); font-weight: 500; text-transform: uppercase; font-size: var(--fs-mono); }
  .btn:hover { background: var(--accent); color: var(--on-accent); }
  .btn[disabled] { opacity: 0.55; cursor: progress; }
  .link { text-decoration: underline; text-underline-offset: 0.2em; }

  /* ---------------- Cursor ---------------- */
  .cursor { display: none; }
  @media (hover: hover) and (pointer: fine) {
    .js .cursor {
      position: fixed;
      top: 0; left: 0;
      z-index: 300;
      display: grid;
      place-items: center;
      width: 0.75rem;
      height: 0.75rem;
      border-radius: 50%;
      background: var(--accent);
      pointer-events: none;
      opacity: 0;
      translate: var(--x, -100px) var(--y, -100px);
      transform: translate(-50%, -50%);
      transition: width var(--dur-2) var(--ease-out), height var(--dur-2) var(--ease-out), opacity var(--dur-2) linear;
    }
    .js .cursor.is-on { opacity: 1; }
    .js .cursor.is-big { width: 5.5rem; height: 5.5rem; }
    .cursor__label { font-family: var(--mono); font-size: 0.8125rem; font-weight: 500; text-transform: uppercase; color: var(--on-accent); opacity: 0; transition: opacity var(--dur-1) linear; }
    .cursor.is-big .cursor__label { opacity: 1; }
  }
}

/* -------------------------------------------------------------------------- */
@layer sections {
  /* ================= Héroe: tablero de tarjetas que giran ================= */
  .hero { position: relative; background: var(--black); padding: 0 var(--pad) var(--pad); }
  .flipboard { display: grid; gap: var(--gap); }
  @media (min-width: 48em) { .flipboard { grid-template-columns: 1fr 1fr; } }
  .flip { position: relative; aspect-ratio: 1.02; perspective: 4000px; --r: clamp(0.75rem, 0.6rem + 0.3vw, 1rem); }
  @media (min-width: 48em) { .flip { aspect-ratio: 1.085; } }
  @media (min-width: 48em) and (max-height: 50em) { .flip { aspect-ratio: auto; height: calc(100svh - 4rem - var(--pad)); } }
  .flip__half, .flip__flap { position: absolute; left: 0; right: 0; height: 50%; overflow: hidden; background: var(--accent); }
  .flip__half--top, .flip__flap--top { top: 0; border-radius: var(--r) var(--r) 0 0; }
  .flip__half--bottom, .flip__flap--bottom { bottom: 0; border-radius: 0 0 var(--r) var(--r); }
  .flip img { position: absolute; left: 0; width: 100%; height: 200%; object-fit: contain; padding: 3%; }
  .flip__half--top img, .flip__flap--top img { top: 0; }
  .flip__half--bottom img, .flip__flap--bottom img { bottom: 0; }
  .flip__flap { z-index: 2; visibility: hidden; backface-visibility: hidden; transform-style: preserve-3d; }
  .flip__flap::after { content: ""; position: absolute; inset: 0; background: #000; opacity: 0; }
  .flip__flap--top { transform-origin: 50% 100%; }
  .flip__flap--bottom { transform-origin: 50% 0%; transform: rotateX(90deg); }
  .flip::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; translate: 0 -1px; background: var(--black); z-index: 3; }
  .flip__credit { position: absolute; left: 0; right: 0; bottom: 1rem; z-index: 4; text-align: center; color: var(--on-accent); font-size: var(--fs-mono-s); }
  .flipboard__btn {
    position: absolute;
    top: 0.875rem;
    right: calc(var(--pad) + 0.875rem);
    z-index: 5;
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--r-s);
    background: var(--black);
    color: var(--accent);
    transition: transform var(--dur-3) var(--ease-out);
  }
  .flipboard__btn:hover { transform: rotate(180deg); }

  /* ================= Manifiesto + emblema 3D ================= */
  .manifesto { background: var(--black); color: var(--white); padding: var(--space-l) 0 0; }
  .manifesto__text {
    padding: 0 var(--pad);
    max-width: 22ch;
    font-family: var(--display);
    font-stretch: 68%;
    font-weight: 600;
    font-size: var(--fs-lg);
    line-height: 0.98;
    text-wrap: balance;
  }
  @media (min-width: 64em) { .manifesto__text { max-width: 26ch; } }
  .stage { position: relative; margin-top: var(--space-m); aspect-ratio: 1; background: var(--black); overflow: hidden; touch-action: pan-y; }
  @media (min-width: 48em) { .stage { aspect-ratio: 16 / 9; max-height: 92svh; width: 100%; } }
  .stage__fallback { position: absolute; inset: 8%; display: grid; place-items: center; transition: opacity var(--dur-3) linear; }
  .stage__fallback picture, .stage__fallback img { width: auto; height: 100%; max-height: 100%; object-fit: contain; }
  .stage__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity var(--dur-3) linear; cursor: grab; }
  .stage__canvas:active { cursor: grabbing; }
  .stage.is-live .stage__canvas { opacity: 1; }
  .stage.is-live .stage__fallback { opacity: 0; }
  .stage__hint { position: absolute; left: var(--pad); bottom: var(--pad); color: #a8a8a8; font-size: var(--fs-mono-s); opacity: 0; transition: opacity var(--dur-3) linear; }
  .stage.is-live .stage__hint { opacity: 1; }

  /* ================= Servicios ================= */
  .services { padding: var(--space-l) var(--pad) var(--space-l); }
  .svc { border-top: 1px solid var(--black); }
  .svc:last-of-type { border-bottom: 1px solid var(--black); }
  .svc__head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: clamp(0.9rem, 0.6rem + 1vw, 1.6rem); cursor: pointer; }
  .svc__title { font-family: var(--display); font-stretch: 62%; font-weight: 700; font-size: var(--fs-xl); line-height: 0.8; text-transform: uppercase; transition: color var(--dur-1) linear; }
  .svc__head:hover .svc__title { color: var(--accent); }
  .svc__icon { position: relative; flex: none; width: clamp(1.75rem, 1.2rem + 1.6vw, 3rem); aspect-ratio: 1; }
  .svc__icon::before, .svc__icon::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; translate: 0 -1px; background: currentColor; transition: rotate var(--dur-2) var(--ease-out); }
  .svc__icon::after { rotate: 90deg; }
  .svc[open] .svc__icon::after { rotate: 0deg; }
  .svc::details-content { block-size: 0; overflow: clip; transition: block-size var(--dur-3) var(--ease-out), content-visibility var(--dur-3) allow-discrete; }
  .svc[open]::details-content { block-size: auto; }
  .svc__body { display: grid; gap: var(--space-s); padding-bottom: var(--space-m); }
  .svc__items { display: flex; flex-wrap: wrap; gap: 0.35rem 1.25rem; }
  .svc__items li::before { content: "✳ "; color: var(--accent); }
  .svc__text p { margin-block: var(--space-s); max-width: 40ch; font-size: var(--fs-body-lg); line-height: 1.25; }
  .svc__media { overflow: hidden; border-radius: var(--r); aspect-ratio: 4 / 3; background: var(--grey); }
  .svc__media picture, .svc__media img { width: 100%; height: 100%; object-fit: cover; }
  @media (min-width: 64em) {
    .svc__body { grid-template-columns: 7fr 1fr 4fr; align-items: start; }
    .svc__media { grid-column: 3; }
  }

  /* ================= Proyectos y preguntas ================= */
  .work { padding: var(--space-m) 0 var(--space-l); }
  .faqs { padding: var(--space-m) 0 var(--space-l); }
  .rail__track--faq > li { flex-basis: clamp(16.5rem, 26vw, 24rem); }
  .faq { min-height: clamp(17rem, 14rem + 8vw, 22rem); display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-s); padding: clamp(1.25rem, 1rem + 0.8vw, 1.75rem); border-radius: var(--r); background: var(--grey); }
  .faq__q { font-family: var(--display); font-stretch: 68%; font-weight: 700; font-size: clamp(1.75rem, 1.2rem + 1.4vw, 2.75rem); line-height: 0.95; }
  .faq__a { font-size: var(--fs-body); }
  .faq:nth-child(3n + 2) { background: var(--accent); }
  .faq:nth-child(3n + 3) { background: var(--black); color: var(--white); }

  /* ================= Llamada a la acción + cinta ================= */
  .talk__cta { container-type: inline-size; display: grid; justify-items: start; gap: var(--space-s); padding: var(--space-l) var(--pad); border-top: 1px solid var(--black); }
  .talk__title { font-size: min(var(--fs-mega), calc(100cqi / 6.5)); }
  .ticker { display: flex; align-items: center; gap: 1rem; padding: 0.9rem 0 0.9rem var(--pad); background: var(--accent); color: var(--on-accent); overflow: hidden; }
  .ticker__label { flex: none; }
  .ticker__viewport { display: flex; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
  .ticker__track { display: flex; flex: none; gap: 2.5rem; padding-right: 2.5rem; font-family: var(--mono); font-size: var(--fs-mono); font-weight: 500; text-transform: uppercase; white-space: nowrap; animation: ticker 48s linear infinite; }
  .ticker__track li::after { content: "✳"; margin-left: 2.5rem; }
  .ticker__track a:hover { text-decoration: underline; }
  .ticker:hover .ticker__track, .ticker:focus-within .ticker__track { animation-play-state: paused; }
  @keyframes ticker { to { transform: translateX(-100%); } }

  /* ================= Pie ================= */
  .footer { background: var(--black); color: var(--white); padding: var(--space-l) var(--pad) calc(var(--dock-space) + env(safe-area-inset-bottom)); }
  .footer__grid { display: grid; gap: var(--space-m) var(--pad); grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); align-items: start; }
  .footer__label { color: #a8a8a8; margin-bottom: 0.75rem; }
  .footer ul { display: grid; gap: 0.35rem; }
  .footer ul a { font-family: var(--mono); font-size: var(--fs-mono); font-weight: 500; text-transform: uppercase; }
  .footer ul a:hover { color: var(--accent); }
  .footer__top { display: inline-flex; align-items: center; gap: 0.4em; justify-self: start; }
  .footer__top:hover { color: var(--accent); }
  .footer__logo { display: block; margin-top: var(--space-l); color: var(--white); transition: color var(--dur-2) linear; }
  .footer__logo:hover { color: var(--accent); }
  .footer__wordmark { width: 100%; height: auto; }
  .footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1rem; margin-top: var(--space-s); color: #a8a8a8; font-size: var(--fs-mono-s); }
  @media (min-width: 64em) { .footer__top { justify-self: end; } }
}

/* -------------------------------------------------------------------------- */
@layer pages {
  /* ================= Caso de estudio ================= */
  .case-cover { width: 100%; aspect-ratio: var(--ar); max-height: 88svh; overflow: hidden; background: var(--grey); view-transition-name: cover; }
  .case-cover picture, .case-cover img { width: 100%; height: 100%; object-fit: cover; }
  .case-body { display: grid; }
  .case-gallery { display: grid; }
  .case-fig { aspect-ratio: var(--ar); overflow: hidden; }
  .case-fig picture, .case-fig img { width: 100%; height: 100%; object-fit: cover; }
  .case-info { order: -1; padding: var(--space-m) var(--pad); }
  .case-info__inner { container-type: inline-size; display: grid; gap: var(--space-s); justify-items: start; }
  .case-info__count { color: var(--muted); display: flex; gap: 0.5em; }
  .case-info__count a { text-decoration: underline; text-underline-offset: 0.2em; }
  .case-info__title { --fit-max: var(--fs-xl); font-family: var(--display); font-stretch: 62%; font-weight: 700; line-height: 0.82; text-transform: uppercase; }
  .case-info__subtitle { font-family: var(--display); font-stretch: 68%; font-weight: 600; font-size: var(--fs-md); line-height: 1; max-width: 22ch; }
  .case-info__tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
  .case-info__text { display: grid; gap: 1em; max-width: 52ch; font-size: var(--fs-body-lg); line-height: 1.35; }
  .case-info__meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 0.75rem var(--gap); width: 100%; padding-top: 0.75rem; border-top: 1px solid var(--black); }
  .case-info__meta dt { color: var(--muted); font-size: var(--fs-mono-s); }
  @media (min-width: 64em) {
    .case-body:not(.case-body--solo) { grid-template-columns: 1fr 1fr; align-items: start; }
    .case-info { order: 0; padding: var(--space-m) var(--pad); position: sticky; top: 0; }
    .case-body--solo .case-info__inner { grid-template-columns: 1fr 1fr; column-gap: var(--pad); }
    .case-body--solo .case-info__title { grid-column: 1 / -1; }
  }
  .related { padding: var(--space-l) 0; }

  /* ================= Índice de proyectos ================= */
  .archive { padding: var(--space-m) var(--pad) var(--space-l); }
  .archive__head { container-type: inline-size; display: grid; gap: var(--space-s); padding-bottom: var(--space-m); }
  .archive__head .mega { font-size: min(var(--fs-mega), calc(100cqi / 4.7)); }
  .filters { display: flex; flex-wrap: wrap; gap: 0.4rem; }
  .archive__status { color: var(--muted); }
  .archive__grid { display: grid; gap: var(--space-m) var(--gap); }
  .archive__grid > [hidden] { display: none; }
  @media (min-width: 48em) {
    .archive__grid { grid-template-columns: 1fr 1fr; align-items: start; }
    .archive__grid > li:nth-child(even of :not([hidden])) { margin-top: var(--space-xl); }
  }

  /* ================= Contacto y errores ================= */
  .contact { padding: var(--space-m) var(--pad) var(--space-l); }
  .contact-head { container-type: inline-size; padding-bottom: var(--space-m); }
  .contact-head__title { --fit-max: var(--fs-mega); font-family: var(--display); font-stretch: 62%; font-weight: 700; line-height: 0.82; text-transform: uppercase; margin-top: 0.75rem; }
  .contact-body { display: grid; gap: var(--space-m) var(--pad); }
  .contact-data { display: grid; gap: 1rem; align-content: start; }
  .contact-data dt { font-family: var(--mono); font-size: var(--fs-mono-s); text-transform: uppercase; color: var(--muted); }
  .contact-data dd { font-size: var(--fs-body-lg); }
  .contact-social { display: flex; flex-wrap: wrap; gap: 1rem; }
  @media (min-width: 64em) { .contact-body { grid-template-columns: 1fr 2fr; } }

  .notfound { container-type: inline-size; padding: var(--space-m) var(--pad) var(--space-l); display: grid; gap: var(--space-s); justify-items: start; }
  .notfound__title { --fit-max: var(--fs-xl); font-family: var(--display); font-stretch: 62%; font-weight: 700; line-height: 0.82; text-transform: uppercase; }
  .notfound__text { max-width: 46ch; font-size: var(--fs-body-lg); }
  .notfound__list { width: 100%; }
  .notfound__list a { display: flex; align-items: center; gap: 0.75rem; padding-block: 0.6rem; border-top: 1px solid var(--grey-2); font-family: var(--display); font-stretch: 62%; font-weight: 700; text-transform: uppercase; font-size: var(--fs-card); }
  .notfound__list a .icon { margin-left: auto; }
  .notfound__list a:hover { color: var(--accent); }
  .notfound__list li:last-child a { border-bottom: 1px solid var(--grey-2); }
  .notfound .t-label { font-family: var(--mono); text-transform: uppercase; color: var(--muted); }
}

/* -------------------------------------------------------------------------- */
@layer motion {
  /* ---------- Precarga ---------- */
  .preloader { display: none; }
  .has-preloader .preloader {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: var(--on-accent);
  }
  .has-preloader body { overflow: hidden; }
  .preloader__stage { position: relative; width: min(64vmin, 34rem); aspect-ratio: 1; perspective: 900px; }
  .preloader__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 400ms linear; }
  .preloader__coin { position: absolute; inset: 22%; display: grid; place-items: center; animation: coin 2.4s var(--ease-io) infinite; transform-style: preserve-3d; transition: opacity 300ms linear; }
  .preloader__emblem { width: 100%; height: 100%; }
  .preloader.is-3d .preloader__canvas { opacity: 1; }
  .preloader.is-3d .preloader__coin { opacity: 0; animation: none; }
  .preloader__foot { position: absolute; left: var(--pad); right: var(--pad); bottom: max(var(--pad), env(safe-area-inset-bottom)); display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
  .preloader__wordmark { height: clamp(0.9rem, 0.75rem + 0.5vw, 1.2rem); width: auto; aspect-ratio: 1295 / 119; }
  .preloader__pct { font-family: var(--mono); font-weight: 500; font-size: var(--fs-mono); }
  .preloader.is-done { animation: preloader-out 760ms var(--ease-io) forwards; }
  @keyframes coin { 0% { transform: rotateY(0); } 60%, 100% { transform: rotateY(360deg); } }
  @keyframes preloader-out { to { clip-path: inset(0 0 100% 0); visibility: hidden; } }

  /* ---------- Entradas de titulares ---------- */
  .js.is-loading .mask__inner { transform: translateY(105%); }
  .mask__inner { transition: transform var(--dur-4) var(--ease-out) 120ms; }
  .js .manifesto__text[data-split] .w { display: inline-block; opacity: 0.4; transition: opacity 500ms linear; transition-delay: calc(var(--wi) * 18ms); }
  .js .manifesto__text[data-split].is-in .w { opacity: 1; }

  /* ---------- Tarjetas que giran ---------- */
  .flip.is-flipping .flip__flap { visibility: visible; }
  .flip.is-flipping .flip__flap--top { animation: flap-top 300ms var(--ease-in) var(--d) forwards; }
  .flip.is-flipping .flip__flap--top::after { animation: shade-in 300ms var(--ease-in) var(--d) forwards; }
  .flip.is-flipping .flip__flap--bottom { animation: flap-bottom 360ms var(--ease-out) calc(var(--d) + 300ms) forwards; }
  .flip.is-flipping .flip__flap--bottom::after { animation: shade-out 360ms var(--ease-out) calc(var(--d) + 300ms) both; }
  @keyframes flap-top { from { transform: rotateX(0); } to { transform: rotateX(-90deg); } }
  @keyframes flap-bottom { from { transform: rotateX(90deg); } to { transform: rotateX(0); } }
  @keyframes shade-in { to { opacity: 0.45; } }
  @keyframes shade-out { from { opacity: 0.45; } to { opacity: 0; } }

  /* ---------- Revelado de imágenes ---------- */
  /* La máscara va en el hijo: si se aplicara al elemento observado, el
     IntersectionObserver lo daría por invisible y nunca se revelaría. */
  [data-reveal] > * { transition: clip-path var(--dur-4) var(--ease-out); }
  [data-reveal] img { transition: transform 1400ms var(--ease-out); }
  .reveal-on [data-reveal]:not(.is-in) > * { clip-path: inset(100% 0 0 0); }
  .reveal-on [data-reveal]:not(.is-in) img { transform: scale(1.08); }

  /* ---------- Capas ---------- */
  dialog.overlay[open] { animation: overlay-in 560ms var(--ease-out); }
  dialog.overlay.is-closing { animation: overlay-out 360ms var(--ease-io) forwards; }
  @keyframes overlay-in { from { clip-path: inset(100% 0 0 0); } to { clip-path: inset(0); } }
  @keyframes overlay-out { from { clip-path: inset(0); } to { clip-path: inset(100% 0 0 0); } }
  .menu[open] .menu__primary li { animation: item-in 700ms var(--ease-out) both; animation-delay: calc(160ms + var(--i, 0) * 50ms); }
  @keyframes item-in { from { opacity: 0; transform: translateY(1.5rem); } }

  /* ---------- Transiciones entre páginas ---------- */
  @view-transition { navigation: auto; }
  ::view-transition-old(root) { animation: vt-out 260ms var(--ease-io) both; }
  ::view-transition-new(root) { animation: vt-in 520ms var(--ease-out) both; }
  ::view-transition-group(cover) { animation-duration: 640ms; animation-timing-function: var(--ease-out); }
  ::view-transition-old(cover), ::view-transition-new(cover) { height: 100%; object-fit: cover; }
  @keyframes vt-out { to { opacity: 0; } }
  @keyframes vt-in { from { opacity: 0; transform: translateY(1.5rem); } }

  /* ---------- Movimiento reducido ---------- */
  @media (prefers-reduced-motion: reduce) {
    @view-transition { navigation: none; }
    *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important; }
    .js.is-loading .mask__inner { transform: none !important; }
    .reveal-on [data-reveal]:not(.is-in) > * { clip-path: none; }
    .reveal-on [data-reveal]:not(.is-in) img { transform: none; }
    .ticker__viewport { overflow-x: auto; mask-image: none; }
    .ticker__track[aria-hidden="true"] { display: none; }
    .js .manifesto__text[data-split] .w { opacity: 1; }
  }
}

/* -------------------------------------------------------------------------- */
@layer utilities {
  .visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
  .skip-link { position: fixed; top: 0.5rem; left: 0.5rem; z-index: 400; padding: 0.75rem 1rem; border-radius: var(--r-s); background: var(--accent); color: var(--on-accent); font-family: var(--mono); font-size: 0.875rem; text-transform: uppercase; transform: translateY(-200%); }
  .skip-link:focus { transform: none; }
  .no-js .js-only { display: none !important; }
  .js .nojs-only { display: none !important; }
  html.is-locked { overflow: hidden; }
}