html.transition-preload body {
  visibility: hidden;
}

html.transition-preload body #transition-curtain {
  visibility: visible;
  opacity: 1;
  transform: translateY(0%);
}

/* Curtain overlay that slides during page transitions */
#transition-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #ffffff;
  z-index: 99999;
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.8s cubic-bezier(0.7, 0, 0.3, 1),
    opacity 0.45s ease;
}

body.is-exiting #transition-curtain,
body.is-entering #transition-curtain {
  transform: translateY(0%);
  opacity: 1;
}

body.curtain-leaving #transition-curtain {
  transform: translateY(0);
  opacity: 0;
}

body.has-entered #transition-curtain {
  transform: translateY(100%);
  opacity: 0;
}

body.transition-lock {
  overflow: hidden;
}

body.transition-lock #page-wrapper {
  pointer-events: none;
}

body.is-prepping-exit #transition-curtain {
  transform: translateY(100%);
  opacity: 0;
}

body.is-exiting #page-wrapper {
  filter: blur(6px);
  transform: translateY(30px);
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease,
    filter 0.6s ease;
}

body.is-exiting #header {
  opacity: 0;
  transition: opacity 0.4s ease;
}

body.page-index .hero-section .hero-overlay,
body.page-index .hero-section .category-title,
body.page-index .hero-section .category-btn,
body.page-index .hero-section .category-buttons,
body.page-index .floating-logo img {
  transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1);
}

body.page-index.is-prepping-exit .hero-section .hero-overlay {
  opacity: 0;
  transform: translateX(-50%) translateY(60px);
}

body.page-index.is-prepping-exit .hero-section .category-title,
body.page-index.is-prepping-exit .hero-section .category-buttons,
body.page-index.is-prepping-exit .hero-section .category-btn {
  opacity: 0;
  transform: translate3d(0, 60px, 0);
}

body.page-index.is-prepping-exit .floating-logo,
body.page-index.is-exiting .floating-logo {
  pointer-events: none;
  z-index: 100000;
}

body.page-index.is-prepping-exit .floating-logo img,
body.page-index.is-exiting .floating-logo img {
  will-change: transform, opacity;
  transform-origin: center;
  transform: translate3d(0, -50vh, 0) scale(0.35);
  opacity: 0;
  transition: transform 0.95s cubic-bezier(0.25, 1, 0.5, 1),
    opacity 0.7s ease 0.15s;
}

body.is-entering #page-wrapper {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(12px);
}

body.logo-reveal #page-wrapper {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition: opacity 0.55s ease, transform 0.55s ease,
    filter 0.55s ease;
}

body.is-entering #header,
body.is-entering #wrapper,
body.is-entering #footer {
  opacity: 0;
}

body.logo-reveal #header,
body.logo-reveal #wrapper,
body.logo-reveal #footer {
  opacity: 1;
  transition: opacity 0.45s ease;
}

/* Ensure header has high z-index and is visible during transition */
body.is-entering #header {
  z-index: 100001;
  position: relative;
  overflow: visible !important;
}

body.is-entering #_desktop_logo img {
  opacity: 1;
  transform-origin: center center;
  /* 40vh keeps the logo visible while moving upward */
  transform: translate3d(0, 40vh, 0) scale(1.7);
  filter: brightness(0) invert(0) !important;
  mix-blend-mode: normal !important;
  transition: transform 0.95s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.55s ease, filter 0.95s ease;
}

body.logo-reveal #_desktop_logo img {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: brightness(0) invert(1) !important;
  mix-blend-mode: difference !important;
  transition: transform 0.95s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.6s ease, filter 0.95s ease;
}

body.is-entering #wrapper .floating-logo {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  html.transition-preload body {
    visibility: visible;
  }

  #transition-curtain,
  body.is-exiting #page-wrapper,
  body.page-index.is-prepping-exit .floating-logo img,
  body.logo-reveal #_desktop_logo img,
  body.logo-reveal #page-wrapper {
    transition: none;
  }

  body.transition-lock {
    overflow: auto;
  }
}