@view-transition {
  navigation: auto;
}

[data-language-route-transition] {
  view-transition-name: language-route;
}

/* Low-priority shared control: project pages can override it with local styles. */
:where(#back-to-top, .back-top),
.portfolio-back-top-fallback {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 320;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background-color: rgba(22, 21, 43, 0.42);
  background-image:
    linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0%, rgba(255, 255, 255, 0.03) 42%, rgba(255, 255, 255, 0) 62%, rgba(255, 255, 255, 0.05) 100%),
    url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.055'/%3E%3C/svg%3E");
  color: var(--case-accent, var(--accent, var(--lime, #ffffff)));
  box-shadow: 0 6px 26px rgba(0, 0, 0, 0.32), 0 1px 0 rgba(255, 255, 255, 0.14) inset;
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  font: 600 1.15rem/1 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-decoration: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.7rem) scale(0.96);
  transition: opacity 200ms ease, visibility 200ms ease, transform 200ms ease, background-color 180ms ease;
}

:where(#back-to-top, .back-top).visible,
:where(#back-to-top, .back-top).is-visible,
.portfolio-back-top-fallback.visible,
.portfolio-back-top-fallback.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

:where(#back-to-top, .back-top):hover,
.portfolio-back-top-fallback:hover {
  background-color: rgba(22, 21, 43, 0.58);
  transform: translateY(-2px) scale(1);
}

:where(#back-to-top, .back-top):focus-visible,
.portfolio-back-top-fallback:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

@media (max-width: 760px) {
  :where(#back-to-top, .back-top),
  .portfolio-back-top-fallback {
    right: 0.85rem;
    bottom: calc(6.75rem + env(safe-area-inset-bottom, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  :where(#back-to-top, .back-top),
  .portfolio-back-top-fallback {
    transition: none;
  }
}

@media print {
  :where(#back-to-top, .back-top),
  .portfolio-back-top-fallback {
    display: none;
  }
}

html.igc-edition-page,
html.igc-edition-leaving,
html.igc-arriving-from-editorial {
  overflow-x: hidden;
  overflow-x: clip;
}

.igc-transition-proxy {
  position: fixed;
  z-index: 12;
  top: 50%;
  left: 50%;
  width: min(24vw, 320px);
  height: min(32vw, 430px);
  border: 1px solid rgba(17, 17, 17, 0.12);
  background: #f5f5f3;
  box-shadow: 0 1.4rem 4rem rgba(17, 17, 17, 0.14);
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -46%) scale(0.94);
  view-transition-name: igc-lead-image;
}

@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) {
    animation: jm-transition-out 280ms cubic-bezier(0.4, 0, 1, 1) both;
  }

  ::view-transition-new(root) {
    animation: jm-transition-in 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  html.jm-transitions body {
    transition:
      opacity 280ms cubic-bezier(0.4, 0, 1, 1),
      transform 280ms cubic-bezier(0.4, 0, 1, 1);
  }

  html.jm-transitions.jm-page-leaving body {
    opacity: 0;
    transform: scale(0.985);
  }

  html.igc-edition-page::view-transition-old(root) {
    animation: igc-root-out 560ms cubic-bezier(0.4, 0, 0.2, 1) both;
  }

  html.igc-edition-page::view-transition-new(root) {
    animation: igc-root-in 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  html.igc-edition-leaving .igc-transition-proxy {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    transition:
      opacity 140ms ease,
      transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
  }

  html.igc-arriving-from-editorial .igc-transition-proxy {
    animation: igc-proxy-settle 760ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  ::view-transition-group(igc-title),
  ::view-transition-group(igc-lead-image) {
    animation-duration: 620ms;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  }

  ::view-transition-group(language-route) {
    z-index: 35;
    animation-duration: 460ms;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  }

  ::view-transition-old(language-route),
  ::view-transition-new(language-route) {
    height: 100%;
    animation-duration: 460ms;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    mix-blend-mode: normal;
  }

  ::view-transition-group(igc-edition-switch) {
    z-index: 30;
    animation-duration: 520ms;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  }

  ::view-transition-group(igc-title) {
    z-index: 20;
  }

  ::view-transition-group(igc-lead-image) {
    z-index: 10;
    overflow: hidden;
  }

  ::view-transition-image-pair(igc-title),
  ::view-transition-image-pair(igc-edition-switch),
  ::view-transition-image-pair(igc-lead-image) {
    isolation: auto;
  }

  ::view-transition-old(igc-title),
  ::view-transition-new(igc-title),
  ::view-transition-old(igc-edition-switch),
  ::view-transition-new(igc-edition-switch),
  ::view-transition-old(igc-lead-image),
  ::view-transition-new(igc-lead-image) {
    height: 100%;
    animation-duration: 620ms;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    mix-blend-mode: normal;
  }
}

@media (max-width: 760px) and (prefers-reduced-motion: no-preference) {
  .igc-transition-proxy {
    display: none;
  }

  html.igc-editorial .hero-placeholder img {
    view-transition-name: none;
  }

  html.igc-edition-page::view-transition-old(root) {
    animation: igc-mobile-root-out 260ms cubic-bezier(0.4, 0, 1, 1) both;
  }

  html.igc-edition-page::view-transition-new(root) {
    animation: igc-mobile-root-in 360ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  ::view-transition-group(igc-title),
  ::view-transition-group(igc-edition-switch),
  ::view-transition-old(igc-title),
  ::view-transition-new(igc-title),
  ::view-transition-old(igc-edition-switch),
  ::view-transition-new(igc-edition-switch) {
    animation-duration: 380ms;
  }
}

@keyframes jm-transition-out {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0;
    transform: scale(0.985);
  }
}

@keyframes jm-transition-in {
  from {
    opacity: 0;
    transform: scale(1.01);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes igc-root-out {
  from {
    opacity: 1;
    filter: saturate(1);
  }

  to {
    opacity: 0;
    filter: saturate(0.88);
  }
}

@keyframes igc-root-in {
  from {
    opacity: 0;
    filter: saturate(0.88);
  }

  to {
    opacity: 1;
    filter: saturate(1);
  }
}

@keyframes igc-mobile-root-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-8px); }
}

@keyframes igc-mobile-root-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes igc-proxy-settle {
  0%, 72% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.96);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  body,
  html.jm-page-leaving body {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .igc-transition-proxy {
    display: none;
  }

  ::view-transition-old(root),
  ::view-transition-new(root),
  ::view-transition-old(igc-title),
  ::view-transition-new(igc-title),
  ::view-transition-old(igc-edition-switch),
  ::view-transition-new(igc-edition-switch),
  ::view-transition-old(igc-lead-image),
  ::view-transition-new(igc-lead-image),
  ::view-transition-old(language-route),
  ::view-transition-new(language-route) {
    animation: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}