:root {
  --accent: rgb(62, 207, 196);
  --text: rgb(242, 247, 247);
  --muted: rgb(164, 186, 190);
  --bg-top: rgb(18, 48, 62);
  --bg-mid: rgb(10, 24, 34);
  --bg-bottom: rgb(6, 12, 18);
  --header-h: 3.4rem;
  --banner-h: 3.35rem;
  --banner-pad: 0.32rem;
  --banner-r: calc(var(--banner-h) / 2);
  --view-pad-y: 0.28rem;
  --view-font: 0.8rem;
  --view-h: calc(var(--view-font) * 1.2 + 2 * var(--view-pad-y));
  --banner-top: 0.4rem;
  --header-top: calc(var(--banner-top) + var(--banner-h) + 0.45rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
  background-color: var(--bg-bottom);
  overscroll-behavior-y: none;
}

body {
  min-height: 100%;
  margin: 0;
  padding-top: calc(var(--header-top) + var(--header-h) + 0.6rem);
  display: flex;
  flex-direction: column;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.5;
  background-color: var(--bg-bottom);
  background-image:
    radial-gradient(
      ellipse 90% 52% at 50% -8%,
      rgba(62, 207, 196, 0.22),
      rgba(18, 72, 88, 0.14) 42%,
      transparent 72%
    ),
    linear-gradient(180deg, var(--bg-top), var(--bg-mid) 48%, var(--bg-bottom));
  background-attachment: fixed;
}

.site-header {
  position: fixed;
  top: var(--header-top);
  left: 50%;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: calc(100% - 1.8rem);
  max-width: 1080px;
  min-height: var(--header-h);
  padding: 0.45rem 0.6rem 0.45rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  transform: translateX(-50%);
  transition:
    top 0.3s cubic-bezier(0.22, 1, 0.36, 1),
    max-width 0.3s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.site-header.is-stuck {
  top: calc(var(--banner-top) + var(--banner-h) + 0.3rem);
  max-width: 920px;
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(10, 28, 38, 0.72);
  backdrop-filter: blur(22px) saturate(1.6);
  -webkit-backdrop-filter: blur(22px) saturate(1.6);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.42),
    0 1px 2px rgba(0, 0, 0, 0.3);
}

@media (prefers-reduced-motion: reduce) {
  .site-header {
    transition: none;
  }
}

.store-banner {
  position: fixed;
  top: var(--banner-top);
  left: 50%;
  z-index: 50;
  width: calc(100% - 1.8rem);
  max-width: 1080px;
  height: var(--banner-h);
  transform: translateX(-50%);
}

.store-banner-inner {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  height: 100%;
  padding: var(--banner-pad);
  padding-right: calc((var(--banner-h) - var(--view-h)) / 2);
  border-radius: var(--banner-r);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(16, 32, 42, 0.88);
  backdrop-filter: blur(22px) saturate(1.6);
  -webkit-backdrop-filter: blur(22px) saturate(1.6);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-decoration: none;
}

.store-banner-inner:hover {
  text-decoration: none;
}

.store-banner-icon {
  width: calc(var(--banner-h) - 2 * var(--banner-pad));
  height: calc(var(--banner-h) - 2 * var(--banner-pad));
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 0.55rem;
}

.store-banner-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  flex: 1;
  line-height: 1.15;
}

.store-banner-title {
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.store-banner-sub {
  font-size: 0.7rem;
  color: var(--muted);
}

.store-banner-view {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: var(--view-pad-y) 0.85rem;
  border: none;
  border-radius: 999px;
  background: #0a84ff;
  color: #fff;
  font-size: var(--view-font);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.store-banner.is-soon .store-banner-view {
  opacity: 0.72;
}

.store-banner.is-soon .store-banner-inner {
  cursor: default;
}

@media (max-width: 860px) {
  .store-banner-title {
    font-size: 0.86rem;
  }

  .store-banner-sub {
    font-size: 0.65rem;
  }

  .nav > a:first-child,
  .nav .sep {
    display: none;
  }
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.brand {
  font-weight: 650;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

.nav a.is-current {
  color: var(--accent);
  font-weight: 600;
}

.nav .sep {
  opacity: 0.45;
  user-select: none;
}

.lang-menu {
  position: relative;
  margin-left: 0.4rem;
}

.lang-menu > summary {
  display: flex;
  align-items: center;
  gap: 0.32rem;
  padding: 0.24rem 0.6rem;
  border: 1px solid rgba(242, 247, 247, 0.18);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.lang-menu > summary::-webkit-details-marker {
  display: none;
}

.lang-menu > summary::after {
  content: "";
  width: 0.3rem;
  height: 0.3rem;
  margin-top: -0.16rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.65;
  transition: transform 0.16s ease;
}

.lang-menu > summary:hover {
  border-color: var(--accent);
  color: var(--text);
}

.lang-menu[open] > summary {
  border-color: var(--accent);
  color: var(--text);
}

.lang-menu[open] > summary::after {
  margin-top: 0.08rem;
  transform: rotate(-135deg);
}

.lang-panel {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  z-index: 20;
  min-width: 9.5rem;
  padding: 0.3rem;
  border: 1px solid rgba(242, 247, 247, 0.12);
  border-radius: 0.9rem;
  background: rgba(12, 32, 42, 0.92);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  transform-origin: top right;
  animation: lang-pop 0.16s ease;
}

@keyframes lang-pop {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(-0.3rem);
  }
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.6rem;
  border-radius: 0.62rem;
  color: var(--text);
  font-size: 0.95rem;
  white-space: nowrap;
}

.lang-item::before {
  content: "✓";
  width: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  visibility: hidden;
}

html[lang="pl"] .lang-item[data-lang="pl"]::before,
html[lang="en"] .lang-item[data-lang="en"]::before {
  visibility: visible;
}

html[lang="en"] [data-i18n="pl"],
html:not([lang="en"]) [data-i18n="en"] {
  display: none !important;
}

.lang-item:hover {
  background: rgba(242, 247, 247, 0.08);
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  .lang-panel {
    animation: none;
  }
}

main {
  flex: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.5rem 0 3.5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 24rem) minmax(0, 1fr);
  align-items: stretch;
  gap: 1rem 1.4rem;
  min-height: calc(100svh - var(--header-top) - var(--header-h) - 2.2rem);
  padding: 0.2rem 0 1.5rem;
}

.hero-copy {
  align-self: center;
  text-align: center;
  padding: 0 0.4rem 2.5rem;
}

.hook {
  margin: 0 0 0.85rem;
  color: #fff;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.lead {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.28;
}

.hero-copy p {
  margin: 0;
  color: var(--muted);
}

.ph {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 1.4rem;
  background:
    linear-gradient(180deg, rgba(18, 64, 78, 0.35), rgba(8, 20, 28, 0.55)),
    repeating-linear-gradient(
      -18deg,
      rgba(255, 255, 255, 0.03) 0 12px,
      transparent 12px 24px
    );
  border: 1px dashed rgba(62, 207, 196, 0.32);
}

.ph:not(.is-empty) {
  border: none;
  background: transparent;
}

.ph img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
}

.ph.is-empty img {
  display: none;
}

.ph figcaption {
  display: none;
}

.ph.is-empty figcaption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 1.1rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
  text-align: center;
}

.ph-file {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(62, 207, 196, 0.4);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.ph-hero {
  min-height: 0;
  height: 100%;
  aspect-ratio: auto;
}

.pov {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem 1.8rem;
  align-items: center;
  padding: 1.5rem 0 4rem;
}

.pov-copy h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  letter-spacing: -0.03em;
}

.pov-copy p {
  margin: 0 0 1.1rem;
  color: var(--muted);
}

.pov-shots {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0.9rem;
}

.ph-pov-shoulder {
  aspect-ratio: 4 / 3;
  min-height: 14rem;
}

.ph-pov-screen {
  aspect-ratio: 3 / 4;
  min-height: 14rem;
}

.page {
  width: min(40rem, 100%);
  margin: 2rem auto 0;
}

.page h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  letter-spacing: -0.03em;
}

.page p,
.page li {
  color: var(--muted);
}

.page p {
  margin: 0 0 1rem;
}

.page a {
  color: var(--accent);
}

.mail {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.page h2 {
  margin: 2rem 0 0.7rem;
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
}

.page ul {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
}

.page li {
  margin-bottom: 0.4rem;
}

.page li b {
  font-weight: 600;
  color: var(--text);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  padding: 1.25rem 1.5rem 1.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 860px) {
  body {
    background-attachment: scroll;
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    min-height: 0;
    align-items: start;
  }

  .hero-copy {
    grid-column: 1 / -1;
    order: -1;
    padding: 0.4rem 0 1.1rem;
  }

  .ph-hero {
    min-height: 16rem;
    height: auto;
    aspect-ratio: 3 / 4;
  }

  .pov,
  .pov-shots {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero {
    gap: 0.7rem;
  }

  .ph-hero {
    min-height: 12.5rem;
    border-radius: 1rem;
  }
}