/* =========================
   GALLERY
========================= */

.gallery {
  --d: 10s; /* animation duration */
  display: grid;
  place-items: center;
  width: 220px;
  margin-left: 220px;
}

.gallery > img {
  grid-area: 1 / 1;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 10px solid #f2f2f2;
  box-shadow: 0 0 4px #0007;
  z-index: 2;
  animation: slide var(--d) infinite,
             z-order var(--d) infinite steps(1);
}

.gallery > img:last-child {
  animation-name: slide, z-order-last;
}

.gallery > img:nth-child(1) {
  animation-delay: calc(0 * var(--d));
  --r: 16deg;
}

.gallery > img:nth-child(2) {
  animation-delay: calc(-0.2 * var(--d));
  --r: -1deg;
}

.gallery > img:nth-child(3) {
  animation-delay: calc(-0.4 * var(--d));
  --r: -19deg;
}

.gallery > img:nth-child(4) {
  animation-delay: calc(-0.6 * var(--d));
  --r: 6deg;
}

.gallery > img:nth-child(5) {
  animation-delay: calc(-0.8 * var(--d));
  --r: -8deg;
}

/* =========================
   ANIMATIONS
========================= */

@keyframes slide {
  0%, 20%, 100% {
    transform: translateX(0) rotate(var(--r));
  }
  10% {
    transform: translateX(120%) rotate(var(--r));
  }
}

@keyframes z-order {
  10%, 20% {
    z-index: 1;
  }
  80% {
    z-index: 2;
  }
}

@keyframes z-order-last {
  10%, 20% {
    z-index: 1;
  }
  90% {
    z-index: 2;
  }
}

/* =========================
   PAGE LAYOUT
========================= */

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-content: center;
  background: #f8f6f1;
  overflow: hidden;
}

/* =========================
   HEADLINE
========================= */

#hedlinecontainer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 60px;
}

#shine {
  font-size: 60px;
  font-weight: bold;
  color: rgba(255, 0, 102, 0.3);
  z-index: 10;
  background: linear-gradient(
    90deg,
    #222 0%,
    #fff 50%,
    #222 100%
  ) no-repeat;
  background-size: 150px;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  animation: shine 3s infinite;
  text-shadow: 0 0 0 rgba(233, 85, 189, 0.42);
}

@keyframes shine {
  0%, 10% {
    background-position: -1000px;
  }
  20% {
    background-position: 0;
  }
  90% {
    background-position: 100%;
  }
  100% {
    background-position: 1000px;
  }
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 600px) {
  #shine {
    font-size: 22px;
  }

  #hedlinecontainer {
    margin-bottom: 60px;
  }

  .gallery {
    width: 150px;
    margin-left: 60px;
  }
}