@font-face {
  font-family: "Shoptronic SP";
  src: url("assets/fonts/ShoptronicSP-Basic.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Alien Stage";
  src: url("assets/fonts/ALNST_0.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --graphite: #101214;
  --graphite-soft: #171a1d;
  --text: #eff2f4;
  --logo-bg: #252525;
  --logo-ink: #f8f8f5;
  --logo-accent: #00b900;
  --fade-duration: 7000ms;
  --glow: rgba(239, 242, 244, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.055), transparent 34vw),
    linear-gradient(145deg, var(--graphite-soft), var(--graphite) 52%, #0b0d0f);
  color: var(--text);
  font-family: "Shoptronic SP", "Segoe UI", sans-serif;
}

.placeholder {
  position: relative;
  display: grid;
  place-items: center;
  width: 100vw;
  min-height: 100vh;
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
}

.placeholder::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='144' height='124' viewBox='0 0 144 124'%3E%3Cg fill='none' stroke='%23fff' stroke-opacity='.037' stroke-width='1'%3E%3Cpath d='M0 0H144M0 62H144M0 124H144'/%3E%3Cpath d='M-72 0L72 124M0 0L144 124M72 0L216 124'/%3E%3Cpath d='M-72 124L72 0M0 124L144 0M72 124L216 0'/%3E%3C/g%3E%3C/svg%3E");
  background-position: left top;
  background-size: 144px 124px;
  opacity: 0.704;
  mask-image: linear-gradient(122deg, black 0 34%, rgba(0, 0, 0, 0.68) 48%, transparent 74%);
}

.placeholder::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='288' height='248' viewBox='0 0 288 248'%3E%3Cg fill='none' stroke='%23fff' stroke-opacity='.021' stroke-width='1'%3E%3Cpath d='M0 0H288M0 124H288M0 248H288'/%3E%3Cpath d='M-144 0L144 248M0 0L288 248M144 0L432 248'/%3E%3Cpath d='M-144 248L144 0M0 248L288 0M144 248L432 0'/%3E%3C/g%3E%3C/svg%3E");
  background-position: left bottom;
  background-size: 288px 248px;
  opacity: 0.528;
  pointer-events: none;
  mask-image: linear-gradient(132deg, black 0 22%, rgba(0, 0, 0, 0.55) 38%, transparent 62%);
}

.brand-stage {
  display: grid;
  justify-items: center;
  gap: 12px;
  width: min(82vw, 360px);
  z-index: 2;
  transition:
    transform 1400ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 900ms ease;
}

.product-label {
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  min-height: 1em;
  color: var(--text);
  font-family: "Shoptronic SP", "Segoe UI", sans-serif;
  font-size: clamp(18px, 3vw, 30px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
  opacity: 0;
  cursor: pointer;
  transition:
    opacity var(--fade-duration) ease,
    color 1200ms ease;
  user-select: none;
}

.product-label.has-product {
  opacity: 1;
}

.detail-toolbar {
  position: fixed;
  top: 24px;
  left: 24px;
  right: 24px;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.back-button,
.language-button {
  min-height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: #eff2f4;
  font: inherit;
  cursor: pointer;
}

.back-button {
  padding: 0 14px;
}

.language-switch {
  display: flex;
  gap: 6px;
}

.language-button {
  min-width: 44px;
}

.language-button.active {
  border-color: var(--logo-accent);
  color: var(--logo-accent);
}

.logo-tile {
  display: grid;
  place-items: center;
  width: clamp(190px, 30vw, 300px);
  aspect-ratio: 599 / 591;
  opacity: 0;
  cursor: pointer;
  transition: opacity var(--fade-duration) ease;
}

.logo-mark {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.logo-bg-shape {
  fill: var(--logo-bg);
  transition: fill 1200ms ease;
}

.logo-fill-shape {
  fill: var(--logo-ink);
  transition: fill 1200ms ease;
}

.logo-white-shape {
  fill: var(--logo-ink);
  transition: fill 1200ms ease;
}

.logo-accent-shape {
  fill: var(--logo-accent);
  transition: fill 1200ms ease;
}

.logo-stroke-shape {
  stroke: var(--logo-ink);
  transition: stroke 1200ms ease;
}

.brand-text {
  display: block;
  width: var(--brand-text-width, clamp(154px, 22.5vw, 235px));
  color: var(--text);
  font-size: var(--brand-font-size, 18px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
  font-family: "Shoptronic SP", "Segoe UI", sans-serif;
  text-align: center;
  white-space: nowrap;
  text-shadow: none;
  opacity: 0;
  transition:
    opacity var(--fade-duration) ease,
    color 1200ms ease,
    text-shadow 1200ms ease;
  user-select: none;
}

.brand-stage.is-logo-visible .logo-tile,
.brand-stage.is-text-visible .brand-text {
  opacity: 1;
}

.bridge-page {
  position: absolute;
  left: max(24px, 3vw);
  bottom: max(28px, 8vh);
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(360px, 520px);
  gap: clamp(28px, 4vw, 62px);
  align-items: start;
  width: min(68vw, 980px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(120px);
  transition:
    opacity 1200ms ease,
    transform 1400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.product-copy {
  grid-column: 2;
  grid-row: 1;
  max-height: min(68vh, 680px);
  overflow: auto;
  padding-right: 12px;
  color: rgba(239, 242, 244, 0.88);
  font-family: "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition:
    opacity 800ms ease,
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 800ms;
  scrollbar-width: thin;
}

.product-copy.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition:
    opacity 800ms ease,
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0s;
}

.product-copy h1,
.product-copy h2,
.product-copy p {
  margin: 0;
}

.product-copy h1 {
  color: var(--logo-accent);
  font-family: "Shoptronic SP", "Segoe UI", sans-serif;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1;
}

.product-copy h2 {
  margin-top: 28px;
  color: #ffffff;
  font-size: 20px;
}

.product-copy p {
  margin-top: 14px;
}

.product-copy ul,
.product-copy ol {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 22px;
}

.product-copy code {
  color: #ffffff;
}

.product-version-line {
  color: rgba(239, 242, 244, 0.72);
}

.product-version-line span {
  color: var(--logo-accent);
}

.product-shot {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  margin: 0;
  padding-top: 8px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(12px);
  transform-origin: left center;
  transition:
    opacity 800ms ease,
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 800ms;
}

.product-shot.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  cursor: zoom-in;
  transition:
    opacity 800ms ease,
    transform 900ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0s;
}

.product-shot img {
  display: block;
  width: 100%;
  border-radius: 8px;
  filter: drop-shadow(0 30px 70px rgba(0, 0, 0, 0.45));
}

.shot-backdrop {
  position: fixed;
  inset: 0;
  z-index: 4;
  background: rgba(0, 0, 0, 0.74);
  opacity: 0;
  cursor: zoom-out;
  transition: opacity 700ms ease;
}

.shot-backdrop.is-visible {
  opacity: 1;
}

.shot-zoom-image {
  position: fixed;
  z-index: 5;
  border-radius: 10px;
  object-fit: contain;
  cursor: zoom-out;
  filter: drop-shadow(0 36px 90px rgba(0, 0, 0, 0.62));
  transition:
    left 720ms cubic-bezier(0.22, 1, 0.36, 1),
    top 720ms cubic-bezier(0.22, 1, 0.36, 1),
    width 720ms cubic-bezier(0.22, 1, 0.36, 1),
    height 720ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 420ms ease;
}

body.detail-open .placeholder {
  cursor: default;
}

body.detail-open .detail-toolbar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

body.detail-open .brand-stage {
  transform: translateX(clamp(230px, 34vw, 520px));
}

body.detail-open .product-label {
  opacity: 0;
  transition-duration: 900ms;
}

body.detail-open .bridge-page {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 640px) {
  body {
    overflow-y: auto;
  }

  .placeholder {
    min-height: 100svh;
    overflow-y: auto;
    padding: 82px 20px 32px;
  }

  .brand-stage {
    gap: 10px;
    width: min(84vw, 320px);
  }

  .logo-tile {
    width: min(56vw, 230px);
  }

  .detail-toolbar {
    top: 14px;
    left: 14px;
    right: 14px;
  }

  body.detail-open .brand-stage {
    position: absolute;
    top: 96px;
    left: 50%;
    transform: translateX(-50%) scale(0.68);
    transform-origin: top center;
  }

  .bridge-page {
    position: relative;
    left: auto;
    bottom: auto;
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 255px;
    transform: translateY(44px);
  }

  .product-copy {
    grid-column: 1;
    grid-row: 2;
    max-height: none;
    padding-right: 0;
  }

  .product-shot {
    grid-column: 1;
    grid-row: 1;
    transform: none;
    transform-origin: center top;
  }

}