html, body {
  overflow-x: hidden;
}
:root {
  --glitter: url("/images/Picsart_25-09-14_13-47-35-252.png");
  --duration: 6.66s;
}

main {
  display: grid;
  place-items: center;
  min-height: 70vh;
  perspective: 700px;
  overflow: hidden;
}

.card-front {
  overflow: hidden;
  transform-style: preserve-3d;
  transform-origin: center center;
  will-change: transform;
  display: grid;
  position: relative;
  transform: translate3d(0, 0, 0.01px);
  width: 90%;
  box-sizing: border-box;
  max-width: 580px;
  aspect-ratio: 3/2;
  height: auto;
  min-height: 300px;
  border-radius: 3.5% 3.5% 3.5% 3.5%/5% 5% 5% 5%;
  background-image: var(--glitter);
  background-size: cover;
  box-shadow: 0 30px 40px -25px rgb(17, 5, 24), 0 20px 50px -15px rgb(15, 5, 20);
  overflow: hidden;
  animation: tilt var(--duration) linear infinite;
  image-rendering: optimizequality;
}

.card-front:before {
  content: "";
  inset: 0;
  position: absolute;
  transform: translate3d(0, 0, 0.01px);
  background-image: var(--glitter), var(--glitter), linear-gradient(120deg, black 25%, white, black 75%);
  background-size: 100% 100%, 80% 80%, 200% 200%;
  background-blend-mode: multiply, multiply, overlay;
  background-position: 50% 50%, 50% 50%, 50% 50%;
  mix-blend-mode: color-dodge;
  filter: brightness(2) contrast(0.8);
  animation: bg var(--duration) linear infinite;
}

.card-front:after {
  content: "";
  background: none, none, linear-gradient(125deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.4) 0.1%, rgba(255, 255, 255, 0) 60%);
  background-size: 200% 200%;
  mix-blend-mode: hard-light;
  animation: bg var(--duration) ease infinite;
}

.card-front * {
  font-family: PT Mono, monospace;
}

.cardLogo,
.expiry,
.name,
.number,
.chip,
.contactless {
  color: #ebe0e0;
  position: absolute;
  margin: 0;
  padding: 0;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  font-size: clamp(0.75rem, 2.8vw + 0.2rem, 1.1rem);
  top: 5%;
  left: 5%;
  right: 5%;
  bottom: 5%;
  text-shadow: -1px -1px 0px rgba(255, 255, 255, 0.5), 1px -1px 0px rgba(255, 255, 255, 0.5), 1px 1px 0px rgba(0, 0, 0, 0.5), 1px -1px 0px rgba(0, 0, 0, 0.5);
  z-index: 5;
}

.name, .number, .expiry {
  background-image: linear-gradient(to bottom, #ededed 20%, #bababa 70%), none, linear-gradient(120deg, transparent 10%, white 40%, white 60%, transparent 90%);
  background-size: cover, cover, 200%;
  background-position: 50% 50%;
  background-blend-mode: overlay;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  animation: bg var(--duration) ease infinite;
}

.number {
  font-family: PT Mono, monospace;
  text-align: center;
  font-size: clamp(1rem, 8vw - 0.5rem, 2.5rem);
  letter-spacing: 0.025em;
  top: 60%;
  bottom: auto;
}

.expiry,
.name {
  top: auto;
}

.name {
  right: auto;
  max-width: 180px;
  line-height: 1.2;
  text-align: left;
}

.expiry {
  left: auto;
}

.cardLogo {
  bottom: auto;
  left: auto;
  width: 20%;
  filter: invert(1) saturate(0) brightness(3) contrast(1.2);
  mix-blend-mode: screen;
}

.chip {
  display: grid;
  place-items: center;
  width: 14%;
  aspect-ratio: 5/4;
  left: 10%;
  top: 30%;
  border-radius: 10% 10% 10% 10%/15% 15% 15% 15%;
  background-image: none, none, linear-gradient(120deg, #777 10%, #ddd 40%, #ddd 60%, #777 90%);
  background-size: 200% 200%;
  background-position: 50% 50%;
  overflow: hidden;
  animation: bg var(--duration) ease infinite;
}

.chip svg {
  display: block;
  width: 90%;
  fill: none;
  stroke: #807d7d;
  stroke-width: 2;
}

.contactless {
  position: absolute;
  left: 23%;
  top: 30%;
  width: 12%;
  rotate: 90deg;
  stroke-width: 1.25;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.5;
}

.number.blur,
.name.blur {
  filter: blur(4px);
  transition: filter 0.3s ease;
}

@keyframes tilt {
  0% {
    transform: translate3d(0, 0, 0.01px) rotateY(-20deg) rotateX(5deg);
    box-shadow: 0 30px 40px -25px rgb(15, 5, 20), 0 20px 50px -15px rgb(15, 5, 20);
  }

  15% {
    transform: translate3d(0, 0, 0.01px) rotateY(20deg) rotateX(5deg);
    box-shadow: 0 30px 40px -25px rgb(15, 5, 20), 0 20px 50px -15px rgb(15, 5, 20);
  }

  25% {
    transform: translate3d(0, 0, 0.01px) rotateY(60deg) rotateX(5deg);
    box-shadow: 0 40px 60px -20px rgba(0,0,0,0.5), 0 30px 80px -10px rgba(255,255,255,0.3);
  }

  35% {
    transform: translate3d(0, 0, 0.01px) rotateY(110deg) rotateX(5deg);
    box-shadow: 0 40px 60px -20px rgba(0,0,0,0.5), 0 30px 80px -10px rgba(255,255,255,0.3);
  }

  45% {
    transform: translate3d(0, 0, 0.01px) rotateY(160deg) rotateX(5deg);
    box-shadow: 0 40px 60px -20px rgba(0,0,0,0.5), 0 30px 80px -10px rgba(255,255,255,0.3);
  }

  55% {
    transform: translate3d(0, 0, 0.01px) rotateY(200deg) rotateX(5deg);
    box-shadow: 0 40px 60px -20px rgba(0,0,0,0.5), 0 30px 80px -10px rgba(255,255,255,0.3);
  }

  65% {
    transform: translate3d(0, 0, 0.01px) rotateY(240deg) rotateX(5deg);
    box-shadow: 0 30px 40px -25px rgb(15, 5, 20), 0 20px 50px -15px rgb(15, 5, 20);
  }

  80% {
    transform: translate3d(0, 0, 0.01px) rotateY(300deg) rotateX(5deg);
    box-shadow: 0 30px 40px -25px rgb(15, 5, 20), 0 20px 50px -15px rgb(15, 5, 20);
  }

  100% {
    transform: translate3d(0, 0, 0.01px) rotateY(340deg) rotateX(5deg); /* = -20deg + 360deg → идеальное зацикливание */
    box-shadow: 0 30px 40px -25px rgb(15, 5, 20), 0 20px 50px -15px rgb(15, 5, 20);
  }
}

@keyframes bg {
  0%, 100% {
    background-position: 50% 50%, calc(50% + 1px) calc(50% + 1px), 0% 50%;
  }
  50% {
    background-position: 50% 50%, calc(50% - 1px) calc(50% - 1px), 100% 50%;
  }
}