/* =========================================================
   SCROLL TO TOP
   ========================================================= */

.ero-scroll-top {
  --scroll-progress: 0deg;

  position: fixed;
  z-index: 999;

  right: clamp(18px, 2vw, 28px);
  bottom: clamp(18px, 2vw, 28px);

  width: 72px;
  height: 72px;

  padding: 0;

  border: 0;
  background: transparent;

  cursor: pointer;

  opacity: 0;
  visibility: hidden;

  transform:
    translateY(18px)
    rotate(4deg)
    scale(.9);

  transition:
    opacity .28s ease,
    visibility .28s ease,
    transform .35s cubic-bezier(.2,.8,.2,1);
}

.ero-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;

  transform:
    translateY(0)
    rotate(0deg)
    scale(1);
}


/* İlerleme halkası */
.ero-scroll-top__progress {
  position: absolute;
  inset: 0;

  border-radius:
    48% 52% 46% 54%
    /
    54% 46% 53% 47%;

  background:
    conic-gradient(
      #f28a2a 0deg,
      #f28a2a var(--scroll-progress),
      rgba(197, 22, 46, .16) var(--scroll-progress),
      rgba(197, 22, 46, .16) 360deg
    );

  transform: rotate(-5deg);

  box-shadow:
    0 9px 20px rgba(71, 22, 20, .14);
}


/* İç krem alan */
.ero-scroll-top__inner {
  position: absolute;

  inset: 5px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  gap: 3px;

  overflow: hidden;

  background: #fff7ef;

  border: 2px solid #c5162e;

  border-radius:
    54% 46% 51% 49%
    /
    47% 55% 45% 53%;

  transform: rotate(2deg);

  transition:
    background .25s ease,
    transform .3s cubic-bezier(.2,.8,.2,1);
}


/* İkinci el çizimi çizgi */
.ero-scroll-top__inner::after {
  content: "";

  position: absolute;

  inset: 3px;

  border: 1px solid rgba(242, 138, 42, .55);

  border-radius:
    47% 53% 55% 45%
    /
    53% 46% 54% 47%;

  transform: rotate(-5deg);

  pointer-events: none;
}


/* Ok */
.ero-scroll-top__arrow {
  position: relative;
  z-index: 2;

  width: 18px;
  height: 22px;
}

.ero-scroll-top__arrow::before {
  content: "";

  position: absolute;

  left: 50%;
  top: 4px;

  width: 2px;
  height: 17px;

  background: #c5162e;

  border-radius: 999px;

  transform: translateX(-50%);
}

.ero-scroll-top__arrow::after {
  content: "";

  position: absolute;

  left: 50%;
  top: 3px;

  width: 9px;
  height: 9px;

  border-left: 2px solid #c5162e;
  border-top: 2px solid #c5162e;

  transform:
    translateX(-50%)
    rotate(45deg);
}


/* Küçük yazı */
.ero-scroll-top__label {
  position: relative;
  z-index: 2;

  color: #8f241b;

  font-size: 8px;
  font-weight: 900;

  letter-spacing: .10em;
}


/* Hover */
@media (hover: hover) and (pointer: fine) {

  .ero-scroll-top:hover {
    transform:
      translateY(-5px)
      rotate(-2deg)
      scale(1.04);
  }

  .ero-scroll-top:hover .ero-scroll-top__inner {
    background: #c5162e;

    transform: rotate(-2deg);
  }

  .ero-scroll-top:hover .ero-scroll-top__arrow::before {
    background: #fff;
  }

  .ero-scroll-top:hover .ero-scroll-top__arrow::after {
    border-color: #fff;
  }

  .ero-scroll-top:hover .ero-scroll-top__label {
    color: #fff;
  }

}


/* Mobil */
@media (max-width: 600px) {

  .ero-scroll-top {
    right: 16px;
    bottom: 16px;

    width: 62px;
    height: 62px;
  }

  .ero-scroll-top__inner {
    inset: 4px;
  }

  .ero-scroll-top__label {
    font-size: 7px;
  }

}


/* Hareket azaltma tercihi */
@media (prefers-reduced-motion: reduce) {

  .ero-scroll-top,
  .ero-scroll-top__inner {
    transition: none;
  }

}