:root {
  --phosphor: #0affcc;
  --ash: #3d2f2f;
  --teal-dim: #065e4a;
  --ash-light: #6b5a5a;
  --deep: #1a1210;
  --flash: #ccffe8;
  --glitch-offset: 2px;
  --scan-opacity: 0.03;
  --fade-duration: 600ms;
  --lot-gap: 100vh;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-snap-type: y proximity; background: var(--deep); }

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 16% 12%, rgba(10, 255, 204, 0.08), transparent 28rem),
    radial-gradient(circle at 82% 68%, rgba(6, 94, 74, 0.18), transparent 34rem),
    linear-gradient(180deg, var(--deep), #1a1210 38%, #3d2f2f 120%);
  color: var(--phosphor);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
  transition: transform 80ms linear;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 900;
  opacity: var(--scan-opacity);
  background: repeating-linear-gradient(0deg, transparent 0px, transparent 2px, var(--phosphor) 2px, var(--phosphor) 4px);
  mix-blend-mode: screen;
  transition: opacity 200ms ease;
}

body.scan-spike::before { opacity: 0.12; }

.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

#auction-house { position: relative; }

.lot {
  min-height: 100vh;
  position: relative;
  scroll-snap-align: start;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(10, 255, 204, 0.025) 1px, transparent 1px),
    linear-gradient(0deg, rgba(10, 255, 204, 0.018) 1px, transparent 1px),
    var(--deep);
  background-size: calc(100vw / 12) calc((100vh - 4rem) / 8);
}

.lot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  filter: url(#grain);
  background: var(--phosphor);
}

.lot-void { display: grid; place-items: center; background: var(--deep); }

.is-opening .lot-metadata { animation: metadata-in 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) 0.35s forwards; }

.lot-metadata {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  width: max-content;
  max-width: calc(100vw - 2rem);
  color: rgba(107, 90, 90, 0.6);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.7rem, 1vw, 0.85rem);
  line-height: 1.4;
  letter-spacing: 0.15em;
  text-align: center;
  opacity: 0;
}

.lot-metadata.final { opacity: 1; top: 42%; }

.domain-title {
  position: relative;
  z-index: 5;
  color: var(--phosphor);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.08em;
  opacity: 0;
  text-shadow: var(--glitch-offset) 0 var(--ash-light), calc(var(--glitch-offset) * -1) 1px var(--teal-dim);
  animation: hero-in 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) 2s forwards;
}

.domain-title::before,
.domain-title::after,
.shift-text::before,
.shift-text::after,
.closing-mark::before,
.closing-mark::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.domain-title::before, .shift-text::before, .closing-mark::before { color: rgba(204, 255, 232, 0.28); transform: translateX(-2px); }
.domain-title::after, .shift-text::after, .closing-mark::after { color: rgba(6, 94, 74, 0.5); transform: translate(1px, 1px); }

.corner-frame i { position: absolute; z-index: 6; width: 24px; height: 24px; opacity: 0; animation: bracket-in 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) 5s forwards; }
.corner-frame i:nth-child(1) { top: 2rem; left: 2rem; border-top: 1px solid var(--phosphor); border-left: 1px solid var(--phosphor); }
.corner-frame i:nth-child(2) { top: 2rem; right: 2rem; border-top: 1px solid var(--phosphor); border-right: 1px solid var(--phosphor); }
.corner-frame i:nth-child(3) { bottom: 2rem; left: 2rem; border-bottom: 1px solid var(--phosphor); border-left: 1px solid var(--phosphor); }
.corner-frame i:nth-child(4) { bottom: 2rem; right: 2rem; border-bottom: 1px solid var(--phosphor); border-right: 1px solid var(--phosphor); }

.scan-sweep {
  position: absolute;
  top: -2px;
  left: 0;
  z-index: 7;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--flash), var(--phosphor), transparent);
  box-shadow: 0 0 20px rgba(10, 255, 204, 0.6);
  opacity: 0;
  animation: sweep 2.4s ease-in-out 5.3s forwards;
}

.scroll-glyph {
  position: absolute;
  z-index: 8;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  color: var(--phosphor);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.5rem;
  opacity: 0.3;
  animation: pulse 4s ease-in-out 4s infinite;
}

.transition-zone {
  height: var(--lot-gap);
  display: grid;
  place-items: center;
  scroll-snap-align: center;
  background: radial-gradient(circle, rgba(6, 94, 74, 0.12), transparent 18rem), var(--deep);
  color: rgba(107, 90, 90, 0.6);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.7rem, 1vw, 0.85rem);
  letter-spacing: 0.15em;
}

.transition-zone span { border-top: 1px solid var(--ash); border-bottom: 1px solid var(--ash); padding: 1rem 2rem; }

.hud-strip {
  height: 3.5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-block: 1px solid var(--ash);
  background: rgba(61, 47, 47, 0.42);
  color: rgba(107, 90, 90, 0.72);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.7rem, 1vw, 0.85rem);
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.hud-stream { min-width: max-content; animation: scroll-left 30s linear infinite; }

.grid-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(8, calc((100vh - 4rem) / 8));
  width: 100%;
  min-height: 100vh;
  padding: 2rem;
}

.block {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.7rem;
  overflow: hidden;
  min-width: 0;
  padding: clamp(1rem, 2vw, 2rem);
  border: 1px solid var(--teal-dim);
  clip-path: polygon(0 0, 38% 0, 38% 1px, 43% 1px, 43% 0, 100% 0, 100% 64%, calc(100% - 1px) 64%, calc(100% - 1px) 72%, 100% 72%, 100% 100%, 62% 100%, 62% calc(100% - 1px), 56% calc(100% - 1px), 56% 100%, 0 100%);
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  transition: opacity var(--fade-duration) cubic-bezier(0.25, 0.1, 0.25, 1), transform var(--fade-duration) cubic-bezier(0.25, 0.1, 0.25, 1), border-color 450ms ease, background 450ms ease;
}

.block.is-visible { opacity: 1; transform: translateY(0) scale(1); }

.block::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.03;
  pointer-events: none;
  background: var(--phosphor);
  filter: url(#grain);
}

.data-block { align-items: center; text-align: center; background: rgba(61, 47, 47, 0.34); }
.data-block .meta, .serial { font-family: "IBM Plex Mono", monospace; font-size: clamp(0.7rem, 0.9vw, 0.85rem); letter-spacing: 0.15em; line-height: 1.4; color: rgba(107, 90, 90, 0.78); }
.data-block strong { font-family: "Space Grotesk", sans-serif; font-size: clamp(1.45rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.1; letter-spacing: 0.08em; color: var(--phosphor); text-shadow: 2px 0 var(--ash-light), -1px 1px var(--teal-dim); }
.data-block em { color: var(--teal-dim); font-style: italic; }

.collage-block {
  background: linear-gradient(135deg, rgba(10, 255, 204, 0.09), rgba(61, 47, 47, 0.28) 58%, rgba(6, 94, 74, 0.1));
  border-color: rgba(10, 255, 204, 0.72);
}

.collage-block::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border-top: 1px solid var(--phosphor);
  border-left: 1px solid var(--phosphor);
  opacity: 0.6;
}

.collage-block h2, .collage-block h3, .shift-text {
  position: relative;
  max-width: 12ch;
  color: var(--phosphor);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.08em;
  text-shadow: 2px 0 var(--ash-light), -1px 1px var(--teal-dim);
}

.collage-block h3 { font-size: clamp(1.4rem, 3vw, 2.35rem); max-width: 18ch; }
.collage-block p { max-width: 34rem; color: var(--flash); font-size: clamp(1rem, 1.5vw, 1.25rem); font-weight: 400; }

.void-block {
  align-items: center;
  text-align: center;
  background: transparent;
  border-style: dotted;
  border-color: rgba(107, 90, 90, 0.72);
  color: rgba(107, 90, 90, 0.55);
}

.void-block::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background-image: radial-gradient(circle, var(--teal-dim) 0.75px, transparent 0.75px);
  background-size: 18px 18px;
  transition: opacity 350ms ease;
}

.void-block:hover::after { opacity: 0.24; }
.void-block span { position: relative; z-index: 1; font-family: "Noto Serif JP", serif; font-size: clamp(1rem, 5vw, 5rem); font-weight: 200; letter-spacing: 0.15em; }
.void-block span:not(:lang(ja)) { font-family: "IBM Plex Mono", monospace; font-size: clamp(0.7rem, 1vw, 0.85rem); }

.fracture {
  position: absolute;
  z-index: 2;
  left: -20%;
  top: 52%;
  width: 140%;
  height: 2px;
  transform: rotate(-13deg);
  background: linear-gradient(90deg, transparent 0%, var(--phosphor) 20%, var(--flash) 50%, var(--phosphor) 80%, transparent 100%);
  box-shadow: 0 0 8px rgba(10, 255, 204, 0.4);
  opacity: 0.76;
}

.fracture-steep { transform: rotate(19deg); top: 42%; }
.fracture-low { transform: rotate(-6deg); top: 68%; }

.reticle {
  position: absolute;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 4rem;
  height: 4rem;
  border: 1px solid rgba(10, 255, 204, 0.35);
  border-left-color: transparent;
  border-radius: 50%;
  animation: orbit 18s linear infinite;
}

.blink { animation: blink 3s ease-in-out infinite; }

.b-a { grid-column: 1 / 3; grid-row: 1 / 3; }
.b-b { grid-column: 3 / 9; grid-row: 1 / 5; }
.b-c { grid-column: 9 / 12; grid-row: 1 / 3; }
.b-d { grid-column: 12 / 13; grid-row: 1 / 5; }
.b-e { grid-column: 1 / 4; grid-row: 3 / 5; }
.b-f { grid-column: 4 / 7; grid-row: 5 / 8; }
.b-g { grid-column: 7 / 13; grid-row: 5 / 8; }
.b-h { grid-column: 1 / 5; grid-row: 1 / 3; }
.b-i { grid-column: 5 / 11; grid-row: 1 / 5; }
.b-j { grid-column: 11 / 13; grid-row: 1 / 3; }
.b-k { grid-column: 1 / 3; grid-row: 3 / 5; }
.b-l { grid-column: 3 / 8; grid-row: 5 / 8; }
.b-m { grid-column: 8 / 13; grid-row: 5 / 8; }
.b-n { grid-column: 1 / 7; grid-row: 1 / 4; }
.b-o { grid-column: 7 / 9; grid-row: 1 / 3; }
.b-p { grid-column: 9 / 13; grid-row: 1 / 4; }
.b-q { grid-column: 1 / 4; grid-row: 4 / 8; }
.b-r { grid-column: 4 / 7; grid-row: 4 / 6; }
.b-s { grid-column: 7 / 13; grid-row: 4 / 8; }
.b-t { grid-column: 1 / 3; grid-row: 1 / 3; }
.b-u { grid-column: 3 / 10; grid-row: 1 / 5; }
.b-v { grid-column: 10 / 13; grid-row: 1 / 3; }
.b-w { grid-column: 1 / 7; grid-row: 5 / 8; }
.b-x { grid-column: 7 / 13; grid-row: 5 / 8; }

.progress-indicator { position: fixed; z-index: 1000; top: 0; right: 0; width: 4px; height: 100vh; background: rgba(61, 47, 47, 0.7); }
.progress-indicator span { display: block; width: 100%; height: 0%; background: linear-gradient(180deg, var(--phosphor), var(--teal-dim)); box-shadow: 0 0 10px rgba(10, 255, 204, 0.5); }

.orbital-hud { position: fixed; z-index: 890; right: 1.2rem; top: calc(var(--scroll-ratio, 0) * (100vh - 4rem) + 2rem); width: 2.5rem; height: 2.5rem; border: 1px solid rgba(10, 255, 204, 0.35); border-right-color: transparent; border-radius: 50%; pointer-events: none; animation: orbit 12s linear infinite; }

.closing-mark { position: relative; color: rgba(10, 255, 204, 0.5); font-family: "Noto Serif JP", serif; font-size: clamp(6rem, 20vw, 18rem); font-weight: 200; }

body.glitch-active { animation: glitch-shift 400ms linear; }

@keyframes metadata-in { to { opacity: 1; } }
@keyframes hero-in { to { opacity: 1; } }
@keyframes bracket-in { to { opacity: 0.6; } }
@keyframes sweep { 0% { opacity: 0; transform: translateY(0); } 10% { opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; transform: translateY(100vh); } }
@keyframes pulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.6; } }
@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes blink { 0%, 100% { opacity: 0.95; } 50% { opacity: 0.35; } }
@keyframes glitch-shift { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(3px); } 45% { transform: translateX(-2px); } 65% { transform: translateX(1px); } }

@media (max-width: 768px) {
  :root { --glitch-offset: 1px; }
  .grid-container { grid-template-columns: repeat(4, 1fr); grid-template-rows: none; grid-auto-rows: minmax(8rem, auto); gap: 0.5rem; padding: 1rem; }
  .block { grid-column: span 2 !important; grid-row: span 2 !important; min-height: 9rem; }
  .collage-block { grid-column: 1 / -1 !important; min-height: 18rem; }
  .void-block span { font-size: clamp(1rem, 12vw, 4rem); }
  .corner-frame i:nth-child(1) { top: 1rem; left: 1rem; }
  .corner-frame i:nth-child(2) { top: 1rem; right: 1rem; }
  .corner-frame i:nth-child(3) { bottom: 1rem; left: 1rem; }
  .corner-frame i:nth-child(4) { bottom: 1rem; right: 1rem; }
}

@media (max-width: 480px) {
  .block { grid-column: 1 / -1 !important; min-height: 8rem; }
  .hud-strip { height: 4.5rem; }
  .transition-zone span { padding-inline: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body::before { display: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .block, .domain-title, .lot-metadata, .corner-frame i { opacity: 1; transform: none; }
}