/* Brutalist Design Tokens */
:root {
  --color-void: #050505;
  --color-ecru: #E2D4BF;
  --color-accent: #8A0303;
}

body {
  background-color: var(--color-void);
  color: var(--color-ecru);
  position: relative;
}

::selection {
  background-color: var(--color-ecru);
  color: var(--color-void);
}

/* ========================================== */
/* POSTPRODUKCJA: ZIARNO & FLOAT              */
/* ========================================== */

.film-grain-overlay {
  position: fixed;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 400 400" xmlns="http://www.w3.org/2000/svg"%3%3Cfilter id="noiseFilter"%3%3CfeTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="3" stitchTiles="stitch"/%3%3C/filter%3%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3%3C/svg%3%3E');
  animation: grain-dance 0.3s steps(3) infinite;
  opacity: 0.12;
  pointer-events: none;
  z-index: 10000;
  mix-blend-mode: overlay;
}

@keyframes grain-dance {
  0% {
    transform: translate(0, 0);
  }

  33% {
    transform: translate(-1%, 1%);
  }

  66% {
    transform: translate(1%, -1%);
  }

  100% {
    transform: translate(-0.5%, -0.5%);
  }
}

.cinematic-float {
  animation: float 14s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }

  33% {
    transform: translate(-1px, 2px) rotate(0.02deg) scale(1.002);
  }

  66% {
    transform: translate(2px, -1px) rotate(-0.01deg) scale(0.999);
  }

  100% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
}

/* ========================================== */
/* GLITCH INTRO                               */
/* ========================================== */

.vhs-twitch {
  animation: twitch-shake 0.35s cubic-bezier(.36, .07, .19, .97) both;
}

@keyframes twitch-shake {
  0% {
    transform: translate3d(0, 0, 0);
    filter: drop-shadow(0 0 0 red);
  }

  20% {
    transform: translate3d(-15px, 10px, 0);
    filter: drop-shadow(-8px 0 0 rgba(255, 0, 0, 0.8)) drop-shadow(8px 0 0 rgba(0, 0, 255, 0.8)) blur(3px);
  }

  40% {
    transform: translate3d(15px, -10px, 0);
    filter: invert(30%) drop-shadow(15px 0 0 rgba(255, 0, 0, 0.6));
  }

  60% {
    transform: translate3d(-8px, 15px, 0);
    filter: blur(5px) hue-rotate(-40deg);
  }

  80% {
    transform: translate3d(10px, -8px, 0);
    filter: drop-shadow(-5px 0 0 rgba(0, 0, 255, 0.8));
  }

  100% {
    transform: translate3d(0, 0, 0);
    filter: none;
  }
}

/* ========================================== */
/* UTILS                                      */
/* ========================================== */

::-webkit-scrollbar {
  width: 4px;
  display: none;
}

::-webkit-scrollbar-track {
  background: var(--color-void);
}

::-webkit-scrollbar-thumb {
  background: rgba(226, 212, 191, 0.1);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.brutal-drop {
  animation: brutalDrop 3s infinite ease-in-out;
}

@keyframes brutalDrop {
  0% {
    transform: translateY(-10px);
    opacity: 0;
  }

  20% {
    transform: translateY(0);
    opacity: 1;
  }

  80% {
    transform: translateY(0);
    opacity: 1;
  }

  100% {
    transform: translateY(10px);
    opacity: 0;
  }
}