/* U2T — global motion (menu, page transitions, reveal) */

:root {
  --u2t-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --u2t-ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  /* Apple-style ease-out (slow start, soft landing) */
  --u2t-ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
  --u2t-ease-apple-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --u2t-duration-md: 0.42s;
  --u2t-duration-sm: 0.28s;
  --u2t-duration-hero: 1.2s;
  --u2t-duration-section: 1.05s;
  --u2t-duration-tile: 0.92s;
  --u2t-enter-y: 52px;
  --u2t-enter-y-soft: 36px;
}

/* --- Cross-document page transitions (Chrome 126+, Safari 18+) --- */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: u2tVtOut var(--u2t-duration-md) var(--u2t-ease-in-out) both;
}

::view-transition-new(root) {
  animation: u2tVtIn var(--u2t-duration-md) var(--u2t-ease-out) both;
}

@keyframes u2tVtOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes u2tVtIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Mobile menu: panel + backdrop + stagger --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  visibility: hidden;
  pointer-events: none;
}

.mobile-menu.is-open,
.mobile-menu.is-closing {
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  margin: 0;
  background: rgba(13, 13, 12, 0.42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--u2t-duration-md) var(--u2t-ease-out);
}

.mobile-menu.is-open .mobile-menu__backdrop {
  opacity: 1;
}

.mobile-menu.is-closing .mobile-menu__backdrop {
  opacity: 0;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu__panel {
  position: absolute;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  height: 100dvh;
  box-sizing: border-box;
  background: var(--bg, #eaeaea);
  padding: calc(var(--header-height) + env(safe-area-inset-top, 0px) + 16px) var(--page-gutter)
    max(24px, env(safe-area-inset-bottom, 0px));
  padding-left: max(var(--page-gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right, 0px));
  overflow: auto;
  overscroll-behavior: contain;
  box-shadow: none;
  transform: translateX(100%);
  transition: transform var(--u2t-duration-md) var(--u2t-ease-out);
  will-change: transform;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu.is-closing .mobile-menu__panel {
  transform: translateX(100%);
  transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
}

.mobile-menu__list > li,
.mobile-menu__sublist > li {
  opacity: 0;
  transform: translateX(18px);
  transition:
    opacity var(--u2t-duration-sm) var(--u2t-ease-out),
    transform var(--u2t-duration-sm) var(--u2t-ease-out);
}

.mobile-menu.is-open .mobile-menu__list > li,
.mobile-menu.is-open .mobile-menu__sublist > li {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu.is-open .mobile-menu__list > li:nth-child(1) {
  transition-delay: 0.06s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(2) {
  transition-delay: 0.1s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(3) {
  transition-delay: 0.14s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(4) {
  transition-delay: 0.18s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(5) {
  transition-delay: 0.22s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(6) {
  transition-delay: 0.26s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(7) {
  transition-delay: 0.3s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(8) {
  transition-delay: 0.34s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(9) {
  transition-delay: 0.38s;
}
.mobile-menu.is-open .mobile-menu__list > li:nth-child(10) {
  transition-delay: 0.42s;
}

/* Wyjście: panel + backdrop + pozycje listy (bez visibility:hidden do końca animacji) */
.mobile-menu.is-closing .mobile-menu__list > li,
.mobile-menu.is-closing .mobile-menu__sublist > li {
  opacity: 0;
  transform: translateX(14px);
  transition-delay: 0s !important;
  transition-duration: 0.22s;
  transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
}

/* --- Scroll / enter reveal --- */
.u2t-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s var(--u2t-ease-out),
    transform 0.65s var(--u2t-ease-out);
}

.u2t-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.u2t-reveal--delay-1 {
  transition-delay: 0.06s;
}
.u2t-reveal--delay-2 {
  transition-delay: 0.12s;
}
.u2t-reveal--delay-3 {
  transition-delay: 0.18s;
}

/* Delikatne wejście strony — bez chowania <main> (kolidowało z .u2t-reveal) */
html.u2t-page-enter:not(.u2t-home) body {
  animation: u2tPageEnter 0.4s var(--u2t-ease-out) both;
}

/* =============================================================================
   Home — powolne wejścia (hero load + scroll reveal), styl Apple / premium web
   ============================================================================= */

html.u2t-home body.home {
  --u2t-enter-blur: 10px;
}

/* --- Hero + header: sekwencja po .u2t-home-ready --- */
html.u2t-home:not(.u2t-home-ready) body.home .site-header {
  opacity: 0;
  transform: translateY(-12px);
}

html.u2t-home-ready body.home .site-header {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform var(--u2t-duration-hero) var(--u2t-ease-apple);
  transition-delay: 0.05s;
}

html.u2t-home:not(.u2t-home-ready) body.home .hero__shape {
  opacity: 0;
  transform: scale(1.05) translateY(28px);
}

html.u2t-home-ready body.home .hero__shape {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition:
    opacity 1.45s var(--u2t-ease-apple),
    transform 1.55s var(--u2t-ease-apple);
  transition-delay: 0.12s;
}

html.u2t-home:not(.u2t-home-ready) body.home .hero__title-line {
  opacity: 0;
  transform: translateY(var(--u2t-enter-y));
  filter: blur(var(--u2t-enter-blur));
}

html.u2t-home-ready body.home .hero__title-line {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform 1.35s var(--u2t-ease-apple),
    filter 1.2s var(--u2t-ease-apple);
}

html.u2t-home-ready body.home .hero__title-line:first-of-type {
  transition-delay: 0.28s;
}

html.u2t-home-ready body.home .hero__title-line:last-of-type {
  transition-delay: 0.46s;
}

html.u2t-home:not(.u2t-home-ready) body.home .hero__rule {
  opacity: 0;
  transform: scaleX(0);
}

html.u2t-home-ready body.home .hero__rule {
  opacity: 1;
  transform: scaleX(1);
  transform-origin: left center;
  transition:
    opacity 0.85s var(--u2t-ease-apple),
    transform 1.1s var(--u2t-ease-apple);
  transition-delay: 0.62s;
}

html.u2t-home:not(.u2t-home-ready) body.home .hero__subtitle {
  opacity: 0;
  transform: translateY(var(--u2t-enter-y-soft));
  filter: blur(6px);
}

html.u2t-home-ready body.home .hero__subtitle {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 1.05s var(--u2t-ease-apple),
    transform 1.15s var(--u2t-ease-apple),
    filter 1s var(--u2t-ease-apple);
  transition-delay: 0.74s;
}

html.u2t-home:not(.u2t-home-ready) body.home .hero__cta {
  opacity: 0;
  transform: translateY(24px);
}

html.u2t-home-ready body.home .hero__cta {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.95s var(--u2t-ease-apple),
    transform 1.05s var(--u2t-ease-apple);
}

html.u2t-home-ready body.home .hero__cta:nth-child(1) {
  transition-delay: 0.9s;
}
html.u2t-home-ready body.home .hero__cta:nth-child(2) {
  transition-delay: 1.02s;
}
html.u2t-home-ready body.home .hero__cta:nth-child(3) {
  transition-delay: 1.14s;
}

/* --- Scroll reveal (wszystkie podstrony) --- */
.u2t-enter,
.u2t-home-reveal {
  opacity: 0;
  transform: translateY(var(--u2t-enter-y));
  filter: blur(var(--u2t-enter-blur));
  transition:
    opacity var(--u2t-duration-section) var(--u2t-ease-apple),
    transform 1.15s var(--u2t-ease-apple),
    filter 1s var(--u2t-ease-apple);
  transition-delay: var(--u2t-enter-delay, 0ms);
  will-change: opacity, transform, filter;
}

.u2t-enter.is-visible,
.u2t-home-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.u2t-enter--from-left,
.u2t-home-reveal--from-left {
  transform: translateX(-40px) translateY(12px);
}

.u2t-enter--from-left.is-visible,
.u2t-home-reveal--from-left.is-visible {
  transform: translateX(0) translateY(0);
}

.u2t-enter--line,
.u2t-home-reveal--line {
  transform: scaleX(0);
  transform-origin: left center;
  filter: none;
  opacity: 0;
}

.u2t-enter--line.is-visible,
.u2t-home-reveal--line.is-visible {
  opacity: 1;
  transform: scaleX(1);
  transition:
    opacity 0.75s var(--u2t-ease-apple),
    transform 1s var(--u2t-ease-apple);
}

.u2t-enter--scale,
.u2t-home-reveal--scale {
  transform: translateY(20px) scale(0.94);
  filter: blur(4px);
}

.u2t-enter--scale.is-visible,
.u2t-home-reveal--scale.is-visible {
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition:
    opacity 1.25s var(--u2t-ease-apple),
    transform 1.35s var(--u2t-ease-apple),
    filter 1.1s var(--u2t-ease-apple);
}

.u2t-enter--tile,
.u2t-home-reveal--tile {
  --u2t-enter-y: 40px;
  --u2t-enter-blur: 6px;
  transform: translateY(var(--u2t-enter-y)) scale(0.97);
  transition-duration: var(--u2t-duration-tile);
}

.u2t-enter--tile.is-visible,
.u2t-home-reveal--tile.is-visible {
  transform: translateY(0) scale(1);
}

.u2t-enter--fade,
.u2t-home-reveal--fade {
  transform: none;
  filter: none;
}

.u2t-enter--fade.is-visible,
.u2t-home-reveal--fade.is-visible {
  transform: none;
}

/* Bridge shape — bez blur na img */
.home-bridge-shape.u2t-enter,
.home-bridge-shape.u2t-home-reveal {
  filter: none;
}

.u2t-enter--footer,
.u2t-home-reveal--footer {
  --u2t-enter-y: 32px;
  --u2t-enter-blur: 6px;
}

/* =============================================================================
   Podstrony — wejście hero / nagłówka (jak na home, bez duplikacji na .home)
   ============================================================================= */

html.u2t-page-motion body {
  --u2t-enter-blur: 10px;
}

html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .site-header {
  opacity: 0;
  transform: translateY(-12px);
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .site-header {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform var(--u2t-duration-hero) var(--u2t-ease-apple);
  transition-delay: 0.05s;
}

/* Archiwum produktów + blog */
html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .product-archive-hero__title,
html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .product-archive-hero__lead {
  opacity: 0;
  transform: translateY(var(--u2t-enter-y));
  filter: blur(var(--u2t-enter-blur));
}

html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .product-archive-hero__rule,
html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .product-archive-hero__rule--wide {
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
}

html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .product-archive-hero__visual {
  opacity: 0;
  transform: scale(1.04) translateY(24px);
}

html.u2t-page-motion:not(.u2t-page-ready) body:not(.home) .product-archive-hero__ctas .hero__cta {
  opacity: 0;
  transform: translateY(22px);
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__title {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform 1.3s var(--u2t-ease-apple),
    filter 1.15s var(--u2t-ease-apple);
  transition-delay: 0.18s;
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__rule {
  opacity: 1;
  transform: scaleX(1);
  transition:
    opacity 0.8s var(--u2t-ease-apple),
    transform 1s var(--u2t-ease-apple);
  transition-delay: 0.32s;
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__lead {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 1.05s var(--u2t-ease-apple),
    transform 1.15s var(--u2t-ease-apple),
    filter 1s var(--u2t-ease-apple);
  transition-delay: 0.42s;
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__visual {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition:
    opacity 1.35s var(--u2t-ease-apple),
    transform 1.45s var(--u2t-ease-apple);
  transition-delay: 0.22s;
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__ctas .hero__cta {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.95s var(--u2t-ease-apple),
    transform 1.05s var(--u2t-ease-apple);
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__ctas .hero__cta:nth-child(1) {
  transition-delay: 0.56s;
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__ctas .hero__cta:nth-child(2) {
  transition-delay: 0.68s;
}

html.u2t-page-motion.u2t-page-ready body:not(.home) .product-archive-hero__rule--wide {
  opacity: 1;
  transform: scaleX(1);
  transition:
    opacity 0.75s var(--u2t-ease-apple),
    transform 0.95s var(--u2t-ease-apple);
  transition-delay: 0.5s;
}

/* Pojedynczy wpis bloga */
html.u2t-page-motion:not(.u2t-page-ready) .blog-single-header__back,
html.u2t-page-motion:not(.u2t-page-ready) .blog-single-header__title,
html.u2t-page-motion:not(.u2t-page-ready) .blog-single-header__meta {
  opacity: 0;
  transform: translateY(36px);
  filter: blur(8px);
}

html.u2t-page-motion:not(.u2t-page-ready) .blog-single-header__rule {
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
}

html.u2t-page-motion.u2t-page-ready .blog-single-header__back {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 0.9s var(--u2t-ease-apple),
    transform 1s var(--u2t-ease-apple),
    filter 0.9s var(--u2t-ease-apple);
  transition-delay: 0.12s;
}

html.u2t-page-motion.u2t-page-ready .blog-single-header__title {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform 1.3s var(--u2t-ease-apple),
    filter 1.15s var(--u2t-ease-apple);
  transition-delay: 0.24s;
}

html.u2t-page-motion.u2t-page-ready .blog-single-header__rule {
  opacity: 1;
  transform: scaleX(1);
  transition:
    opacity 0.75s var(--u2t-ease-apple),
    transform 1s var(--u2t-ease-apple);
  transition-delay: 0.38s;
}

html.u2t-page-motion.u2t-page-ready .blog-single-header__meta {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 1s var(--u2t-ease-apple),
    transform 1.1s var(--u2t-ease-apple),
    filter 0.95s var(--u2t-ease-apple);
  transition-delay: 0.48s;
}

/* Pojedynczy produkt — above the fold */
html.u2t-page-motion:not(.u2t-page-ready) .product-single-page__hero-frame,
html.u2t-page-motion:not(.u2t-page-ready) .product-single-page__title,
html.u2t-page-motion:not(.u2t-page-ready) .product-single-page__price {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(8px);
}

html.u2t-page-motion:not(.u2t-page-ready) .product-single-page__chips,
html.u2t-page-motion:not(.u2t-page-ready) .product-single-page__actions {
  opacity: 0;
  transform: translateY(28px);
}

html.u2t-page-motion.u2t-page-ready .product-single-page__hero-frame {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition:
    opacity 1.3s var(--u2t-ease-apple),
    transform 1.4s var(--u2t-ease-apple),
    filter 1.1s var(--u2t-ease-apple);
  transition-delay: 0.1s;
}

html.u2t-page-motion.u2t-page-ready .product-single-page__title {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform 1.25s var(--u2t-ease-apple),
    filter 1.05s var(--u2t-ease-apple);
  transition-delay: 0.26s;
}

html.u2t-page-motion.u2t-page-ready .product-single-page__chips {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.95s var(--u2t-ease-apple),
    transform 1.05s var(--u2t-ease-apple);
  transition-delay: 0.38s;
}

html.u2t-page-motion.u2t-page-ready .product-single-page__price {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity 1s var(--u2t-ease-apple),
    transform 1.1s var(--u2t-ease-apple),
    filter 0.95s var(--u2t-ease-apple);
  transition-delay: 0.48s;
}

html.u2t-page-motion.u2t-page-ready .product-single-page__actions {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.95s var(--u2t-ease-apple),
    transform 1.05s var(--u2t-ease-apple);
  transition-delay: 0.58s;
}

/* Proste strony CMS */
html.u2t-page-motion:not(.u2t-page-ready) main > .section .container > h1 {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(8px);
}

html.u2t-page-motion.u2t-page-ready main > .section .container > h1 {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition:
    opacity var(--u2t-duration-hero) var(--u2t-ease-apple),
    transform 1.25s var(--u2t-ease-apple),
    filter 1.05s var(--u2t-ease-apple);
  transition-delay: 0.2s;
}

@keyframes u2tPageEnter {
  from {
    opacity: 0.96;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  @view-transition {
    navigation: none;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none !important;
  }

  .mobile-menu.is-closing {
    visibility: hidden;
    pointer-events: none;
  }

  .mobile-menu__backdrop,
  .mobile-menu__panel,
  .mobile-menu__list > li,
  .mobile-menu__sublist > li {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }

  .mobile-menu__panel {
    transform: none !important;
  }

  html.u2t-page-enter body,
  html.u2t-page-enter:not(.u2t-home) body {
    animation: none !important;
  }

  html.u2t-home body.home .site-header,
  html.u2t-home body.home .hero__shape,
  html.u2t-home body.home .hero__title-line,
  html.u2t-home body.home .hero__rule,
  html.u2t-home body.home .hero__subtitle,
  html.u2t-home body.home .hero__cta,
  html.u2t-page-motion body:not(.home) .site-header,
  html.u2t-page-motion .product-archive-hero__title,
  html.u2t-page-motion .product-archive-hero__rule,
  html.u2t-page-motion .product-archive-hero__lead,
  html.u2t-page-motion .product-archive-hero__visual,
  html.u2t-page-motion .product-archive-hero__ctas .hero__cta,
  html.u2t-page-motion .product-archive-hero__rule--wide,
  html.u2t-page-motion .blog-single-header__back,
  html.u2t-page-motion .blog-single-header__title,
  html.u2t-page-motion .blog-single-header__rule,
  html.u2t-page-motion .blog-single-header__meta,
  html.u2t-page-motion .product-single-page__hero-frame,
  html.u2t-page-motion .product-single-page__title,
  html.u2t-page-motion .product-single-page__chips,
  html.u2t-page-motion .product-single-page__price,
  html.u2t-page-motion .product-single-page__actions,
  html.u2t-page-motion main > .section .container > h1 {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }

  .u2t-enter,
  .u2t-home-reveal,
  .u2t-reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}