/**
 * Техника глитча Codrops (clip-path + слои фона).
 * Источник: https://github.com/codrops/CSSGlitchEffect/ — Demo 1, лицензия Codrops (см. README репозитория).
 * Адаптировано под тёмную тему резюме.
 */

body.page-glitch {
  --cd-gap-horizontal: 10px;
  --cd-gap-vertical: 5px;
  --cd-time-anim: 4s;
  --cd-delay-anim: 0.4s;
  --cd-blend-mode-1: none;
  --cd-blend-mode-2: none;
  --cd-blend-mode-3: none;
  --cd-blend-mode-4: none;
  --cd-blend-mode-5: overlay;
  --cd-blend-color-1: transparent;
  --cd-blend-color-2: transparent;
  --cd-blend-color-3: transparent;
  --cd-blend-color-4: transparent;
  --cd-blend-color-5: rgba(255, 61, 193, 0.35);
}

/* Заголовок: анимация как у .content__title в демо */
.glitch-heading.cd-glitch-title::before,
.glitch-heading.cd-glitch-title::after {
  display: none !important;
}

body.cd-glitch-loaded .cd-glitch-title {
  animation-name: cd-glitch-anim-text;
  animation-duration: var(--cd-time-anim);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-delay: calc(var(--cd-delay-anim) + var(--cd-time-anim) * 0.12);
}

/* Контейнер фото: пять слоёв как .glitch в демо */
body.page-glitch .hero-cd-glitch {
  position: relative;
  display: block;
  width: 100%;
  max-width: min(100%, 520px);
  min-height: min(46vh, 380px);
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
  filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.65));
}

@media (min-width: 992px) {
  body.page-glitch .hero-cd-glitch {
    margin-right: 0;
    margin-left: auto;
    min-height: min(78vh, 640px);
  }
}

body.page-glitch .hero-cd-glitch .cd-glitch__img {
  position: absolute;
  top: calc(-1 * var(--cd-gap-vertical));
  left: calc(-1 * var(--cd-gap-horizontal));
  width: calc(100% + var(--cd-gap-horizontal) * 2);
  height: calc(100% + var(--cd-gap-vertical) * 2);
  background: var(--landing-glitch-portrait, url("../img/me.png")) no-repeat 50% 100%;
  background-color: var(--cd-blend-color-1);
  background-size: contain;
  transform: translate3d(0, 0, 0);
  background-blend-mode: var(--cd-blend-mode-1);
}

body.page-glitch .hero-cd-glitch .cd-glitch__img:nth-child(n + 2) {
  opacity: 0;
}

body.cd-glitch-loaded .hero-cd-glitch .cd-glitch__img:nth-child(n + 2) {
  animation-duration: var(--cd-time-anim);
  animation-delay: var(--cd-delay-anim);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

body.cd-glitch-loaded .hero-cd-glitch .cd-glitch__img:nth-child(2) {
  background-color: var(--cd-blend-color-2);
  background-blend-mode: var(--cd-blend-mode-2);
  animation-name: cd-glitch-anim-1;
}

body.cd-glitch-loaded .hero-cd-glitch .cd-glitch__img:nth-child(3) {
  background-color: var(--cd-blend-color-3);
  background-blend-mode: var(--cd-blend-mode-3);
  animation-name: cd-glitch-anim-2;
}

body.cd-glitch-loaded .hero-cd-glitch .cd-glitch__img:nth-child(4) {
  background-color: var(--cd-blend-color-4);
  background-blend-mode: var(--cd-blend-mode-4);
  animation-name: cd-glitch-anim-3;
}

body.cd-glitch-loaded .hero-cd-glitch .cd-glitch__img:nth-child(5) {
  background-color: var(--cd-blend-color-5);
  background-blend-mode: var(--cd-blend-mode-5);
  animation-name: cd-glitch-anim-flash;
}

/* Скрытый img для доступности / без отображения дубликата */
body.page-glitch .hero-cd-glitch .cd-glitch-photo-fallback {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Keyframes (из demo1.css) ---------- */
@keyframes cd-glitch-anim-1 {
  0% {
    opacity: 1;
    transform: translate3d(var(--cd-gap-horizontal), 0, 0);
    clip-path: polygon(0 2%, 100% 2%, 100% 5%, 0 5%);
  }
  2% {
    clip-path: polygon(0 15%, 100% 15%, 100% 15%, 0 15%);
  }
  4% {
    clip-path: polygon(0 10%, 100% 10%, 100% 20%, 0 20%);
  }
  6% {
    clip-path: polygon(0 1%, 100% 1%, 100% 2%, 0 2%);
  }
  8% {
    clip-path: polygon(0 33%, 100% 33%, 100% 33%, 0 33%);
  }
  10% {
    clip-path: polygon(0 44%, 100% 44%, 100% 44%, 0 44%);
  }
  12% {
    clip-path: polygon(0 50%, 100% 50%, 100% 20%, 0 20%);
  }
  14% {
    clip-path: polygon(0 70%, 100% 70%, 100% 70%, 0 70%);
  }
  16% {
    clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%);
  }
  18% {
    clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%);
  }
  20% {
    clip-path: polygon(0 70%, 100% 70%, 100% 80%, 0 80%);
  }
  21.9% {
    opacity: 1;
    transform: translate3d(var(--cd-gap-horizontal), 0, 0);
  }
  22%,
  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
    clip-path: polygon(0 0, 0 0, 0 0, 0 0);
  }
}

@keyframes cd-glitch-anim-2 {
  0% {
    opacity: 1;
    transform: translate3d(calc(-1 * var(--cd-gap-horizontal)), 0, 0);
    clip-path: polygon(0 25%, 100% 25%, 100% 30%, 0 30%);
  }
  3% {
    clip-path: polygon(0 3%, 100% 3%, 100% 3%, 0 3%);
  }
  5% {
    clip-path: polygon(0 5%, 100% 5%, 100% 20%, 0 20%);
  }
  7% {
    clip-path: polygon(0 20%, 100% 20%, 100% 20%, 0 20%);
  }
  9% {
    clip-path: polygon(0 40%, 100% 40%, 100% 40%, 0 40%);
  }
  11% {
    clip-path: polygon(0 52%, 100% 52%, 100% 59%, 0 59%);
  }
  13% {
    clip-path: polygon(0 60%, 100% 60%, 100% 60%, 0 60%);
  }
  15% {
    clip-path: polygon(0 75%, 100% 75%, 100% 75%, 0 75%);
  }
  17% {
    clip-path: polygon(0 65%, 100% 65%, 100% 40%, 0 40%);
  }
  19% {
    clip-path: polygon(0 45%, 100% 45%, 100% 50%, 0 50%);
  }
  20% {
    clip-path: polygon(0 14%, 100% 14%, 100% 33%, 0 33%);
  }
  21.9% {
    opacity: 1;
    transform: translate3d(calc(-1 * var(--cd-gap-horizontal)), 0, 0);
  }
  22%,
  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
    clip-path: polygon(0 0, 0 0, 0 0, 0 0);
  }
}

@keyframes cd-glitch-anim-3 {
  0% {
    opacity: 1;
    transform: translate3d(0, calc(-1 * var(--cd-gap-vertical)), 0) scale3d(-1, -1, 1);
    clip-path: polygon(0 1%, 100% 1%, 100% 3%, 0 3%);
  }
  1.5% {
    clip-path: polygon(0 10%, 100% 10%, 100% 9%, 0 9%);
  }
  2% {
    clip-path: polygon(0 5%, 100% 5%, 100% 6%, 0 6%);
  }
  2.5% {
    clip-path: polygon(0 20%, 100% 20%, 100% 20%, 0 20%);
  }
  3% {
    clip-path: polygon(0 10%, 100% 10%, 100% 10%, 0 10%);
  }
  5% {
    clip-path: polygon(0 30%, 100% 30%, 100% 25%, 0 25%);
  }
  5.5% {
    clip-path: polygon(0 15%, 100% 15%, 100% 16%, 0 16%);
  }
  7% {
    clip-path: polygon(0 40%, 100% 40%, 100% 39%, 0 39%);
  }
  8% {
    clip-path: polygon(0 20%, 100% 20%, 100% 21%, 0 21%);
  }
  9% {
    clip-path: polygon(0 60%, 100% 60%, 100% 55%, 0 55%);
  }
  10.5% {
    clip-path: polygon(0 30%, 100% 30%, 100% 31%, 0 31%);
  }
  11% {
    clip-path: polygon(0 70%, 100% 70%, 100% 69%, 0 69%);
  }
  13% {
    clip-path: polygon(0 40%, 100% 40%, 100% 41%, 0 41%);
  }
  14% {
    clip-path: polygon(0 80%, 100% 80%, 100% 75%, 0 75%);
  }
  14.5% {
    clip-path: polygon(0 50%, 100% 50%, 100% 51%, 0 51%);
  }
  15% {
    clip-path: polygon(0 90%, 100% 90%, 100% 90%, 0 90%);
  }
  16% {
    clip-path: polygon(0 60%, 100% 60%, 100% 60%, 0 60%);
  }
  18% {
    clip-path: polygon(0 100%, 100% 100%, 100% 99%, 0 99%);
  }
  20% {
    clip-path: polygon(0 70%, 100% 70%, 100% 71%, 0 71%);
  }
  21.9% {
    opacity: 1;
    transform: translate3d(0, calc(-1 * var(--cd-gap-vertical)), 0) scale3d(-1, -1, 1);
  }
  22%,
  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
    clip-path: polygon(0 0, 0 0, 0 0, 0 0);
  }
}

@keyframes cd-glitch-anim-text {
  0% {
    transform: translate3d(calc(-1 * var(--cd-gap-horizontal)), 0, 0) scale3d(-1, -1, 1);
    clip-path: polygon(0 20%, 100% 20%, 100% 21%, 0 21%);
  }
  2% {
    clip-path: polygon(0 33%, 100% 33%, 100% 33%, 0 33%);
  }
  4% {
    clip-path: polygon(0 44%, 100% 44%, 100% 44%, 0 44%);
  }
  5% {
    clip-path: polygon(0 50%, 100% 50%, 100% 20%, 0 20%);
  }
  6% {
    clip-path: polygon(0 70%, 100% 70%, 100% 70%, 0 70%);
  }
  7% {
    clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%);
  }
  8% {
    clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%);
  }
  9% {
    clip-path: polygon(0 70%, 100% 70%, 100% 80%, 0 80%);
  }
  9.9% {
    transform: translate3d(calc(-1 * var(--cd-gap-horizontal)), 0, 0) scale3d(-1, -1, 1);
  }
  10%,
  100% {
    transform: translate3d(0, 0, 0) scale3d(1, 1, 1);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  }
}

@keyframes cd-glitch-anim-flash {
  0%,
  5% {
    opacity: 0.2;
    transform: translate3d(var(--cd-gap-horizontal), var(--cd-gap-vertical), 0);
  }
  5.5%,
  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.cd-glitch-loaded .cd-glitch-title,
  body.cd-glitch-loaded .hero-cd-glitch .cd-glitch__img:nth-child(n + 2) {
    animation: none !important;
  }
}