/* Home -> Keke: gather the garden, then enter the orbiting project. */
@view-transition {
  navigation: auto;
}

.keke-transition-source,
.keke-transition-target {
  view-transition-name: keke-planet;
}

.keke-site-avatar-source,
body[data-page="keke"] .brand-avatar {
  view-transition-name: keke-site-avatar;
}

.keke-site-name-source,
body[data-page="keke"] .brand > span {
  view-transition-name: keke-site-name;
}

::view-transition-group(keke-planet) {
  z-index: 999;
  animation-duration: 860ms;
  animation-timing-function: cubic-bezier(.2, .78, .2, 1);
}

::view-transition-group(keke-site-avatar),
::view-transition-group(keke-site-name) {
  z-index: 998;
  animation-duration: 780ms;
  animation-timing-function: cubic-bezier(.2, .74, .18, 1);
}

::view-transition-image-pair(keke-planet),
::view-transition-image-pair(keke-site-avatar),
::view-transition-image-pair(keke-site-name) {
  isolation: auto;
}

::view-transition-old(keke-planet),
::view-transition-new(keke-planet),
::view-transition-old(keke-site-avatar),
::view-transition-new(keke-site-avatar),
::view-transition-old(keke-site-name),
::view-transition-new(keke-site-name) {
  mix-blend-mode: normal;
  object-fit: contain;
  filter: none;
}

::view-transition-old(root) {
  animation: keke-world-out 680ms cubic-bezier(.4, 0, .2, 1) both;
}

::view-transition-new(root) {
  animation: keke-world-in 680ms cubic-bezier(.2, .72, .2, 1) both;
}

body[data-page="home"] .garden-current,
body[data-page="home"] .garden-trace,
body[data-page="home"] .cosmos-hero::before,
body[data-page="home"] .project-orbit-line,
body[data-page="home"] .cosmos-center time,
body[data-page="home"] .decorative-stars,
body[data-page="home"] .all-writing-link,
body[data-page="home"] .site-header .brand {
  transition-duration: 820ms;
  transition-timing-function: cubic-bezier(.33, 0, .18, 1);
}

/* Q ≈ vA: as playback speed rises, the visible current section narrows. */
body[data-page="home"] .garden-current {
  scale: 1 var(--keke-flow-thickness, 1);
  transform-origin: 50% 50%;
}

body[data-page="home"].is-preparing-keke .orbit-project,
body[data-page="home"].is-entering-keke .orbit-project {
  z-index: 60 !important;
  pointer-events: none;
}

body[data-page="home"].is-preparing-keke .orbit-tooltip,
body[data-page="home"].is-entering-keke .orbit-tooltip {
  opacity: 0 !important;
}

body[data-page="home"].is-preparing-keke .orbit-icon-shell,
body[data-page="home"].is-entering-keke .orbit-icon-shell {
  box-shadow: none !important;
}

body[data-page="home"].is-preparing-keke .orbit-project img,
body[data-page="home"].is-entering-keke .orbit-project img {
  opacity: 1 !important;
}

body[data-page="home"].is-preparing-keke .garden-current,
body[data-page="home"].is-entering-keke .garden-current {
  filter: blur(var(--keke-flow-blur, 19px)) saturate(1.14) brightness(1.08);
}

body[data-page="home"].is-preparing-keke .garden-trace,
body[data-page="home"].is-entering-keke .garden-trace {
  filter: drop-shadow(0 0 9px color-mix(in srgb, var(--garden-trace-cool) 68%, transparent)) brightness(1.18);
}

body[data-page="home"].is-preparing-keke .garden-trace:nth-child(2n),
body[data-page="home"].is-entering-keke .garden-trace:nth-child(2n) {
  filter: drop-shadow(0 0 9px color-mix(in srgb, var(--garden-trace-warm) 68%, transparent)) brightness(1.18);
}

body[data-page="home"].is-preparing-keke .cosmos-hero::before,
body[data-page="home"].is-entering-keke .cosmos-hero::before {
  opacity: 1;
  filter: saturate(1.16) contrast(1.04);
}

body[data-page="home"].is-preparing-keke .project-orbit-line,
body[data-page="home"].is-entering-keke .project-orbit-line {
  opacity: 0.78;
  filter: drop-shadow(0 0 8px var(--garden-flow-warm));
}

body[data-page="home"].is-preparing-keke .cosmos-center time,
body[data-page="home"].is-preparing-keke .decorative-stars,
body[data-page="home"].is-preparing-keke .all-writing-link,
body[data-page="home"].is-entering-keke .cosmos-center time,
body[data-page="home"].is-entering-keke .decorative-stars,
body[data-page="home"].is-entering-keke .all-writing-link {
  opacity: 0.32;
}

/* The center identity becomes the destination header identity, so hide the old duplicate. */
body[data-page="home"].is-preparing-keke .site-header .brand,
body[data-page="home"].is-entering-keke .site-header .brand {
  opacity: 0;
  transform: translateY(-4px);
}

/* The hanging writing stars are pulled back to their top anchors one by one. */
body[data-page="home"].is-preparing-keke .note-star,
body[data-page="home"].is-entering-keke .note-star {
  pointer-events: none;
  animation: keke-star-retract 520ms cubic-bezier(.55, 0, .55, .18) var(--keke-retract-delay, 70ms) both !important;
}

body[data-page="home"].is-preparing-keke .note-star-label,
body[data-page="home"].is-entering-keke .note-star-label {
  opacity: 0 !important;
  transition-duration: 100ms;
}

body[data-page="home"].is-preparing-keke .star-thread,
body[data-page="home"].is-entering-keke .star-thread {
  transform-box: fill-box;
  transform-origin: 50% 0%;
  animation: keke-thread-retract 520ms cubic-bezier(.55, 0, .55, .18) var(--keke-retract-delay, 70ms) both !important;
}

.keke-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.keke-title-row h1 {
  display: block;
}

.keke-title-row::after {
  content: "Windows";
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 11px;
  border: 1px solid color-mix(in srgb, var(--keke-cool) 34%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--keke-cool) 9%, transparent);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 620;
  letter-spacing: 0.01em;
}

.keke-summary h1::before {
  display: none !important;
  content: none !important;
}

.keke-summary .keke-meta {
  display: none;
}

.keke-transition-target {
  display: block;
  width: 68px;
  height: 68px;
  flex: 0 0 auto;
  border-radius: 20px;
  object-fit: cover;
  image-rendering: auto;
  box-shadow: 0 18px 44px rgba(68, 79, 108, 0.12);
}

body[data-page="keke"].is-arriving-keke .keke-summary > :not(.keke-title-row),
body[data-page="keke"].is-arriving-keke .product-viewer {
  animation: keke-content-arrive 620ms 120ms cubic-bezier(.2, .72, .2, 1) both;
}

@keyframes keke-star-retract {
  0% { opacity: 1; }
  72% { opacity: 1; }
  100% {
    opacity: 0;
    transform: translate(var(--keke-retract-x), var(--keke-retract-y)) scale(.72);
  }
}

@keyframes keke-thread-retract {
  0% { opacity: 1; transform: scale(1); }
  78% { opacity: 0.72; }
  100% { opacity: 0; transform: scale(.08, .015); }
}

@keyframes keke-world-out {
  from { opacity: 1; filter: blur(0); transform: scale(1); }
  to { opacity: 0.18; filter: blur(2px) saturate(1.12); transform: scale(1.012); }
}

@keyframes keke-world-in {
  from { opacity: 0.36; filter: blur(5px); transform: scale(0.992); }
  to { opacity: 1; filter: blur(0); transform: scale(1); }
}

@keyframes keke-content-arrive {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 560px) {
  .keke-title-row { gap: 14px; }

  .keke-title-row::after {
    min-height: 26px;
    padding-inline: 9px;
  }

  .keke-transition-target {
    width: 58px;
    height: 58px;
    border-radius: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(keke-planet),
  ::view-transition-group(keke-site-avatar),
  ::view-transition-group(keke-site-name),
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 1ms;
  }

  body[data-page="home"].is-preparing-keke .note-star,
  body[data-page="home"].is-preparing-keke .star-thread,
  body[data-page="home"].is-entering-keke .note-star,
  body[data-page="home"].is-entering-keke .star-thread,
  body[data-page="keke"].is-arriving-keke .keke-summary > :not(.keke-title-row),
  body[data-page="keke"].is-arriving-keke .product-viewer {
    animation: none !important;
    transition: none !important;
  }
}