@layer reset, tokens, base, layout, componentes, motor, util;

@layer reset {
  *, *::before, *::after { box-sizing: border-box }
  body, h1, h2, h3, p, figure, ul { margin: 0; padding: 0 }
  ul { list-style: none }
  img, video { display: block; max-width: 100% }
  button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer }
  a { color: inherit; text-decoration: none }
}

@layer tokens {
  :root {
    /* la marca, sin cambios */
    --cian: #19A9C4;  --cian-claro: #3FC4DD;
    --magenta: #C2295F; --magenta-claro: #E0508A;
    --violeta: #6B5B8E;
    --tinta: #EAF1F5;
    --fondo: #050912; --fondo-2: #0A0F1C;

    --tinta-70: color-mix(in oklab, var(--tinta) 70%, transparent);
    --tinta-50: color-mix(in oklab, var(--tinta) 50%, transparent);
    --tinta-30: color-mix(in oklab, var(--tinta) 30%, transparent);
    --linea: color-mix(in oklab, var(--tinta) 16%, transparent);
    --vidrio: color-mix(in oklab, var(--tinta) 9%, transparent);
    --vidrio-alto: color-mix(in oklab, var(--tinta) 15%, transparent);
    --grad: linear-gradient(135deg, #19A9C4 0%, #6B5B8E 50%, #C2295F 100%);

    --magia: cubic-bezier(.33, 0, 0, 1);
    --expo: cubic-bezier(.19, 1, .22, 1);
    --cuarta: cubic-bezier(.41, .35, .2, 1);

    --pad: 1.25rem;
    --alto-btn: 2.75rem;
    --z-cab: 60;

    --disp: 'Archivo Black', Impact, sans-serif;
    --cuerpo: 'Archivo', system-ui, -apple-system, sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, monospace;
  }
  @media (min-width: 640px) { :root { --pad: 2rem } }
  @media (min-width: 1100px) { :root { --pad: 2.5rem } }
}

@layer base {
  html { font-size: 15px; -webkit-text-size-adjust: 100%; scroll-behavior: auto }
  @media (min-width: 640px) { html { font-size: clamp(15px, 12.96px + .32vw, 18px) } }
  body {
    background: var(--fondo); color: var(--tinta);
    font-family: var(--cuerpo); font-size: 1rem; line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
  }
  ::selection { background: var(--cian); color: #04070E; text-shadow: none }
  :focus-visible { outline: 2px solid var(--cian-claro); outline-offset: 4px; border-radius: 6px }

  /* Hasta que el motor pinta su primer fotograma, el hero está oculto.
     Sin motor (o sin JS) todo se ve normal: nunca queda una página en blanco. */
  html.con-motor:not(.es-listo) .hero__rejilla,
  html.con-motor:not(.es-listo) [data-cab-item] { visibility: hidden }
}

@layer layout {
  .envoltura { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: var(--pad) }
  section { position: relative }
  .seccion { padding-block: clamp(64px, 11vw, 132px) }
  .seccion--tope { padding-top: clamp(40px, 7vw, 80px) }
}

@layer componentes {
  /* ---------- tipografía ---------- */
  .t-disp {
    font-family: var(--disp); font-weight: 400; text-transform: uppercase;
    font-size: clamp(2.6rem, 10.5vw, 6.2rem); line-height: .92;
    letter-spacing: -.035em; margin-left: -.03em; text-wrap: balance;
  }
  @media (min-width: 900px) { .t-disp { line-height: .86 } }
  .t-enunciado {
    font-family: var(--disp); font-weight: 400; text-transform: uppercase;
    font-size: clamp(1.7rem, 5.2vw, 3.4rem); line-height: 1; letter-spacing: -.035em;
  }
  .t-lead { font-size: clamp(1.05rem, 2.3vw, 1.3rem); line-height: 1.45; letter-spacing: -.01em; color: var(--tinta-70) }
  .t-ui { font-size: .95rem; font-weight: 500; letter-spacing: -.001em }
  .t-cap { font-family: var(--mono); font-size: .72rem; letter-spacing: .13em; text-transform: uppercase }
  .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
          display: inline-block; padding-bottom: .1em; margin-bottom: -.1em; padding-right: .06em }
  .cian { color: var(--cian-claro) }
  .num { font-family: var(--mono); font-variant-numeric: tabular-nums }

  /* ---------- botones ---------- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
    height: var(--alto-btn); padding-inline: 1.25rem; border-radius: 99px;
    font-weight: 600; font-size: .95rem; line-height: 1; white-space: nowrap;
    transition: background-color .3s var(--magia), color .3s var(--magia), transform .15s ease-out;
  }
  .btn:active { transform: scale(.97) }
  .btn--vidrio { background: var(--vidrio); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px) }
  .btn--vidrio:hover { background: var(--vidrio-alto) }
  .btn--grad { background: var(--grad); color: #fff; font-weight: 700 }
  .btn--grad:hover { filter: brightness(1.08) }
  .btn--icono { width: var(--alto-btn); padding: 0 }

  /* ---------- cabecera ---------- */
  .cab { position: fixed; inset-inline: 0; top: 0; z-index: var(--z-cab); pointer-events: none }
  .cab__bar {
    display: flex; align-items: center; justify-content: space-between; gap: 2rem;
    padding: .85rem var(--pad); pointer-events: auto;
    transition: background-color .6s var(--magia), backdrop-filter .6s var(--magia);
  }
  .cab__izq { display: flex; align-items: center; gap: 2.5rem }
  .cab__der { display: flex; align-items: center; gap: .5rem }
  .cab__marca { display: flex; align-items: center; gap: .55rem; font-weight: 700; letter-spacing: -.02em; font-size: 1.05rem }
  .cab__marca img { height: 1.5rem; width: auto }
  .cab__nav { display: none; gap: 2rem }
  @media (min-width: 900px) { .cab__nav { display: flex } }
  .cab__nav a { color: var(--tinta-70); transition: color .3s }
  .cab__nav a:hover { color: var(--tinta) }
  .cab__rotulo { display: none; align-items: center; gap: .5rem; color: var(--tinta-50) }
  @media (min-width: 1100px) { .cab__rotulo { display: flex } }
  .cab__punto { width: 7px; height: 7px; border-radius: 50%; background: var(--tinta-30) }
  [data-abierto].es-abierto { color: var(--cian-claro) }
  [data-abierto].es-abierto + .cab__punto, .es-abierto ~ .cab__punto { background: var(--cian-claro) }

  .cab.es-compacta .cab__bar {
    width: fit-content; margin: .7rem auto 0; padding: .25rem .25rem .25rem 1.1rem; gap: 1rem;
    background: var(--vidrio); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-radius: 99px;
  }
  .cab.es-compacta .cab__nav, .cab.es-compacta .cab__rotulo, .cab.es-compacta .btn__texto { display: none }
  .cab.es-compacta .cab__cta { width: var(--alto-btn); padding: 0 }

  /* ---------- escenario ---------- */
  .stage { position: relative }
  .stage__escena {
    position: sticky; top: 0; height: 100lvh; margin-bottom: -100lvh;
    overflow: hidden; z-index: 0; background: var(--fondo);
  }
  .stage__par { position: absolute; inset: 0; will-change: transform }
  .stage__media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover }
  .stage__media--b { opacity: 0 }
  .stage__escena.es-segundo .stage__media--b { opacity: 1 }   /* sin transición, a propósito */
  .stage__velo {
    position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(180deg, rgb(5 9 18 / .55) 0%, rgb(5 9 18 / .2) 32%,
                rgb(5 9 18 / .28) 62%, rgb(5 9 18 / .88) 100%);
  }
  .stage > section { position: relative; z-index: 1 }

  /* ---------- hero ---------- */
  .hero { height: 100lvh }
  .hero__rejilla {
    position: absolute; inset-inline: var(--pad); bottom: 1.5rem;
    display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.25rem;
    max-width: 1240px; margin-inline: auto;
  }
  .hero__titulo { grid-column: 1 / -1 }
  .hero__lead { grid-column: 1 / -1; max-width: 32ch; margin-top: .6rem }
  .hero__pie { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: 1.4rem }
  @media (min-width: 900px) {
    .hero__rejilla { inset-inline: 0; padding-inline: var(--pad) }
    .hero__titulo { grid-column: 1 / 9 }
    .hero__lead { grid-column: 9 / 13; align-self: end; margin-top: 0 }
    .hero__pie { grid-column: 1 / 13 }
  }
  .hero__hint { color: var(--tinta-50) }

  /* ---------- enunciado pegajoso ---------- */
  .pin { position: sticky; top: 0; height: 100svh; display: grid; align-content: end;
         padding-bottom: 3.5rem; pointer-events: none }
  .pin__txt { max-width: 22ch }
  @media (min-width: 900px) { .pin__txt { max-width: 16ch; margin-left: auto } }

  /* La pantalla del titulo comparte el mismo marco fijo que las llamadas:
     sticky de 100svh con margen negativo para superponerse a ellas. */
  .equipo__pantalla { position: sticky; top: 0; height: 100svh; margin-top: -100svh;
    display: grid; align-content: end; padding-bottom: 2.5rem; z-index: 2; pointer-events: none }
  .despues { position: relative; z-index: 2; background: var(--fondo) }

  /* ---------- llamadas con gravedad ---------- */
  .llamadas { position: sticky; top: 0; height: 100svh; overflow: hidden; pointer-events: none }
  .llamadas__lineas { position: absolute; inset: 0; width: 100%; height: 100% }
  .llamadas__lineas line { stroke: var(--tinta-50); stroke-width: 1; stroke-dasharray: 1; stroke-dashoffset: 1 }
  .llamadas__lineas .punto { fill: var(--tinta); transform-box: fill-box; transform-origin: center }
  .llamadas__lineas .punta { fill: var(--tinta-50); transform-box: fill-box; transform-origin: center }
  .llamada { position: absolute; top: 0; left: 0; will-change: transform }
  .llamada__caja { display: grid; gap: .3rem; opacity: 0; transform: translate(-50%, -50%) }
  .llamada__valor { font-family: var(--mono); font-size: clamp(1.4rem, 3.4vw, 2rem); font-weight: 600;
                    line-height: 1; letter-spacing: -.02em; white-space: nowrap }
  .llamada__eti { color: var(--tinta-50); white-space: nowrap }

  /* ---------- reveal genérico ---------- */
  [data-reveal] { opacity: 0; translate: 0 1.2em; transition: opacity .9s var(--magia), translate .9s var(--magia) }
  [data-reveal].es-visible { opacity: 1; translate: 0 0 }
  [data-reveal][data-d="1"] { transition-delay: .08s }
  [data-reveal][data-d="2"] { transition-delay: .16s }
  [data-reveal][data-d="3"] { transition-delay: .24s }

  .regla { height: 1px; background: var(--linea); transform: scaleX(0); transform-origin: 0 50%;
           transition: transform 1.4s var(--expo) }
  .regla.es-visible { transform: scaleX(1) }

  /* ---------- tarjetas ---------- */
  .rejilla3 { display: grid; gap: 1.25rem; grid-template-columns: 1fr }
  @media (min-width: 760px) { .rejilla3 { grid-template-columns: repeat(3, 1fr) } }
  .tarjeta { padding: 1.6rem; border-radius: 18px; background: var(--fondo-2);
             box-shadow: inset 0 0 0 1px var(--linea) }
  .tarjeta h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem }
  .tarjeta p { color: var(--tinta-70); font-size: .95rem }

  .cinta { display: flex; flex-wrap: wrap; gap: .5rem }
  .ficha { display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .9rem;
           border-radius: 99px; background: var(--vidrio); font-size: .85rem; color: var(--tinta-70) }

  /* ---------- pie ---------- */
  .pie { padding-block: 3rem 4rem; border-top: 1px solid var(--linea); color: var(--tinta-50); font-size: .9rem }
}

@layer motor {
  /* máscaras de SplitText */
  .linea-mask, .word-mask { display: block; overflow: visible !important }
  .word-mask { display: inline-block; padding-right: .08em; margin-right: -.08em }
  .linea, .word { display: inline-block; will-change: transform }

  html.sin-motor [data-reveal] { opacity: 1; translate: none }
  html.sin-motor .regla { transform: none }
  html.sin-motor .pin { position: static; height: auto; padding-bottom: 2rem }
  html.sin-motor .stage__escena { position: static; height: auto; margin-bottom: 0 }
  html.sin-motor .hero { height: auto; padding-block: 8rem 3rem }
  html.sin-motor .hero__rejilla { position: static; inset: auto }

  /* niveles media y liviana: el escenario es una foto fija, no video */
  html[data-nivel="media"] .stage__media,
  html[data-nivel="liviana"] .stage__media { display: none }
  html[data-nivel="media"] .stage__par,
  html[data-nivel="liviana"] .stage__par {
    background: var(--cartel) center/cover no-repeat; transform: none;
  }
  html[data-nivel="media"] .llamadas,
  html[data-nivel="liviana"] .llamadas { position: static; height: auto }
  html[data-nivel="media"] .llamada,
  html[data-nivel="liviana"] .llamada { position: static }
  html[data-nivel="media"] .llamada__caja,
  html[data-nivel="liviana"] .llamada__caja { opacity: 1; transform: none }
  html[data-nivel="media"] .llamadas__lineas,
  html[data-nivel="liviana"] .llamadas__lineas { display: none }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important }
    .stage__escena { position: static; height: auto; margin-bottom: 0 }
    .pin { position: static; height: auto }
  }
}

@layer util {
  .oculto { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap }
  .centrado { text-align: center; margin-inline: auto }
}