:root {
  --ink: #06130a;
  --night: #020704;
  --culture: #36ff57;
  --culture-bright: #9aff83;
  --culture-dark: #0b4a1e;
  --paper: #f4f7ed;
  --line: rgba(149, 255, 160, 0.28);
  --muted: rgba(236, 255, 237, 0.62);
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  color: var(--paper);
  background: var(--night);
  font-synthesis: none;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; margin: 0; background: var(--night); }

body { overflow: hidden; }

button, a { font: inherit; }

button:focus-visible, a:focus-visible {
  outline: 2px solid var(--culture-bright);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  padding: .75rem 1rem;
  color: var(--ink);
  background: var(--culture-bright);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.intro {
  position: fixed;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 48%, #26382a 0%, #0b160e 52%, #030805 100%);
  opacity: 1;
  transition: opacity 700ms ease, visibility 700ms ease;
}

.intro.is-finished { opacity: 0; visibility: hidden; pointer-events: none; }

.intro-video {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(var(--video-crop, 1.35));
  filter: saturate(1.45) contrast(1.08) brightness(.72) hue-rotate(8deg);
  opacity: 0;
  transition: opacity 360ms ease;
}

.intro.has-started > .intro-video {
  opacity: 1;
  visibility: visible;
}

.intro-character {
  position: absolute;
  z-index: 3;
  top: clamp(3rem, 9.5vh, 5.5rem);
  left: 50%;
  width: min(74vw, 480px);
  height: auto;
  max-height: 50vh;
  object-fit: contain;
  filter: saturate(1.08) contrast(1.03) drop-shadow(0 36px 55px rgba(0,0,0,.5));
  translate: -50% 0;
  transform-origin: 50% 56%;
  will-change: transform;
  animation: intro-character-float 6.5s ease-in-out infinite;
  opacity: 1;
  transition: opacity 280ms ease, visibility 280ms ease;
}

.intro.has-started .intro-character { opacity: 0; visibility: hidden; }

.intro-wash {
  position: absolute;
  z-index: 2;
  inset: 0;
  background:
    radial-gradient(circle at center, transparent 10%, rgba(0, 15, 3, .18) 62%, rgba(0, 8, 2, .88) 100%),
    linear-gradient(180deg, rgba(12, 48, 15, .25), rgba(0, 0, 0, .2));
}

.intro.has-started .intro-wash {
  background:
    radial-gradient(circle at center, transparent 38%, rgba(0, 8, 2, .3) 100%),
    linear-gradient(180deg, rgba(3, 20, 6, .04), rgba(0, 0, 0, .08));
}

.film-grain,
.ambient-cells {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image:
    radial-gradient(circle at 12% 22%, var(--culture) 0 2px, transparent 3px),
    radial-gradient(circle at 74% 15%, var(--culture) 0 1px, transparent 2px),
    radial-gradient(circle at 43% 81%, var(--culture) 0 2px, transparent 3px);
  background-size: 83px 71px, 101px 93px, 117px 89px;
  animation: drift 18s linear infinite;
  transition: opacity 280ms ease;
}

.intro.has-started .film-grain { opacity: 0; }

.film-grain::after,
.culture::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(112,255,129,.055) 3px 4px);
  mix-blend-mode: screen;
}

.intro-gate {
  position: relative;
  z-index: 5;
  display: grid;
  grid-area: 1 / 1;
  align-self: end;
  width: min(780px, calc(100vw - 2rem));
  margin-bottom: clamp(4rem, 10.5vh, 6rem);
  padding: clamp(1.3rem, 3vw, 2.3rem);
  border: 1px solid var(--culture-bright);
  place-items: center;
  color: var(--paper);
  background: rgba(1, 9, 3, .86);
  box-shadow: 10px 10px 0 rgba(48, 255, 83, .8);
  text-align: center;
  transition: opacity 300ms ease, transform 300ms ease, visibility 300ms ease;
}

.intro-gate h2 {
  margin: 0 0 1.35rem;
  font-size: clamp(1.45rem, 5.6vw, 4.3rem);
  line-height: .95;
  letter-spacing: -.055em;
  white-space: nowrap;
}
.intro-gate button {
  border: 0;
  padding: 1rem 1.35rem;
  color: var(--ink);
  background: var(--culture-bright);
  font: 950 .85rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .12em;
  cursor: pointer;
}
.intro.has-started .intro-gate { opacity: 0; visibility: hidden; transform: scale(.98); pointer-events: none; }
.intro:not(.has-started) .caption,
.intro:not(.has-started) .intro-controls,
.intro:not(.has-started) .intro-progress { opacity: 0; pointer-events: none; }
.caption,
.intro-controls,
.intro-progress { transition: opacity 300ms ease; }

.caption {
  position: relative;
  z-index: 4;
  grid-area: 1 / 1;
  width: min(1080px, calc(100vw - 2rem));
  margin: 0;
  padding: .18em .3em .13em;
  color: #eaffea;
  background: rgba(1, 9, 3, .72);
  box-shadow: 8px 8px 0 rgba(48, 255, 83, .8);
  font-size: clamp(2rem, 7.8vw, 7.4rem);
  font-weight: 950;
  line-height: .88;
  letter-spacing: -.055em;
  text-align: center;
  text-transform: uppercase;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.caption[data-size="medium"] { font-size: clamp(2rem, 6.2vw, 6rem); }
.caption[data-size="long"] { width: min(1180px, calc(100vw - 2rem)); font-size: clamp(1.65rem, 4.7vw, 4.6rem); line-height: .96; }

.caption.is-changing { animation: caption-in 420ms steps(6, end); }

.intro-controls {
  position: absolute;
  z-index: 5;
  right: clamp(1rem, 3vw, 2.8rem);
  bottom: clamp(1.4rem, 3vw, 2.8rem);
  display: flex;
  gap: .7rem;
}

.control-button,
.culture-footer button {
  border: 1px solid var(--culture-bright);
  padding: .8rem 1rem;
  color: var(--culture-bright);
  background: rgba(1, 10, 3, .78);
  font: 800 .72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .12em;
  cursor: pointer;
}

.control-button:hover,
.culture-footer button:hover { color: var(--ink); background: var(--culture-bright); }

.intro-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: rgba(255,255,255,.16);
}

.intro-progress span { display: block; height: 100%; width: 0; background: var(--culture); }

.culture {
  position: fixed;
  inset: 0;
  overflow: auto;
  padding: clamp(1rem, 2.2vw, 2rem);
  background:
    radial-gradient(circle at 50% 42%, rgba(33, 124, 54, .34), transparent 36%),
    linear-gradient(135deg, #07140a 0%, #020604 55%, #07130a 100%);
  opacity: 0;
  transform: scale(1.015);
  transition: opacity 700ms ease, transform 700ms ease;
}

.culture:not(.is-active) { display: none; }

.culture.is-active { opacity: 1; transform: none; }

.culture-footer,
.culture-grid,
.culture-links { position: relative; z-index: 1; }

.identity-ca { display: grid; gap: .55rem; width: min(100%, 34rem); margin-top: 1.1rem; }
.identity-ca > span { color: var(--muted); font: 700 .58rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; }
.identity-ca button {
  width: 100%;
  overflow: hidden;
  border: 1px dashed var(--line);
  padding: .72rem .8rem;
  color: var(--culture-bright);
  background: rgba(54,255,87,.06);
  font: 700 .62rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.identity-ca button:not(:disabled) { cursor: pointer; }

.culture-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(340px, 1.15fr);
  gap: clamp(.8rem, 1.5vw, 1.4rem);
  width: min(1500px, 100%);
  min-height: calc(100vh - 10.5rem);
  margin: 0 auto 1rem;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(4, 18, 8, .72);
  box-shadow: inset 0 0 35px rgba(44, 255, 84, .04);
}

.identity-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.25rem, 4vw, 4rem);
}

.eyebrow {
  margin: 0 0 1.1rem;
  color: var(--culture-bright);
  font: 700 clamp(.63rem, .85vw, .78rem)/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .14em;
}

h1 {
  margin: 0;
  max-width: 7ch;
  color: var(--paper);
  font-size: clamp(4rem, 5.8vw, 6.5rem);
  font-weight: 950;
  line-height: .76;
  letter-spacing: -.09em;
  overflow-wrap: anywhere;
  white-space: nowrap;
}

h1 span { color: var(--culture); text-shadow: 0 0 30px rgba(54,255,87,.5); }

.thesis {
  margin: clamp(1.5rem, 4vh, 3.5rem) 0;
  font-size: clamp(1.35rem, 2.4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -.035em;
}

.thesis span {
  display: block;
  margin-top: .9rem;
  color: var(--culture-bright);
  font: 800 clamp(.68rem, 1vw, .9rem)/1.35 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.thesis .replication-line {
  margin-top: .4rem;
  color: var(--culture);
}

.chain-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.chain-row span { border: 1px solid var(--line); padding: .55rem .7rem; color: var(--muted); font: 700 .65rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }

.specimen { display: grid; min-height: 0; margin: 0; place-items: center; }
.specimen-image-wrap { display: grid; width: 100%; height: 100%; min-height: 280px; place-items: center; }
.specimen img {
  display: block;
  width: min(100%, 760px);
  height: min(100%, 680px);
  object-fit: contain;
  filter: saturate(1.08) contrast(1.03) drop-shadow(0 32px 44px rgba(0,0,0,.5));
  transform-origin: 50% 56%;
  will-change: transform;
  animation: specimen-float 6.5s ease-in-out infinite;
}

.culture-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: .65rem; width: min(1500px, 100%); margin: 0 auto 1rem; }
.pending-link { display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--line); padding: .85rem 1rem; color: rgba(244,247,237,.55); font-size: .78rem; font-weight: 900; letter-spacing: .08em; }
.pending-link small { color: var(--culture-dark); font: 700 .55rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }

.culture-footer { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1rem; border-top: 1px solid var(--line); padding-top: .75rem; }
.culture-footer p { margin: 0; }
.culture-footer > p:first-child { color: var(--culture-bright); font-size: .78rem; font-weight: 900; letter-spacing: .08em; }

@keyframes caption-in { 0% { opacity: 0; transform: translateY(.25em); clip-path: inset(0 100% 0 0); } 100% { opacity: 1; transform: none; clip-path: inset(0); } }
@keyframes drift { to { background-position: 83px 71px, -101px 93px, 117px -89px; } }
@keyframes pulse { 50% { opacity: .3; box-shadow: 0 0 18px var(--culture); } }
@keyframes intro-character-float {
  0%, 100% { transform: translate3d(-5px, 3px, 0) rotate(-.55deg); }
  34% { transform: translate3d(7px, -10px, 0) rotate(.4deg); }
  68% { transform: translate3d(-2px, -3px, 0) rotate(.7deg); }
}
@keyframes specimen-float {
  0%, 100% { transform: translate3d(-5px, 4px, 0) rotate(-.6deg); }
  34% { transform: translate3d(7px, -11px, 0) rotate(.45deg); }
  68% { transform: translate3d(-2px, -4px, 0) rotate(.75deg); }
}

@media (min-aspect-ratio: 4/3) {
  .intro-video { --video-crop: 1.85; }
}

@media (max-width: 920px) {
  body { overflow: auto; }
  .culture { position: relative; min-height: 100svh; }
  .culture-grid { grid-template-columns: 1fr; min-height: 0; }
  .identity-panel { min-height: 46svh; }
  h1 { max-width: none; overflow-wrap: normal; }
  .culture-footer { grid-template-columns: 1fr auto; }
}

@media (max-width: 620px) {
  .intro-character { top: clamp(1.5rem, 5vh, 3rem); }
  .intro-gate { margin-bottom: clamp(9rem, 28vh, 14rem); }
  .caption { width: calc(100vw - 2.5rem); box-shadow: 5px 5px 0 rgba(48,255,83,.8); font-size: clamp(2rem, 13vw, 4.2rem); }
  .caption[data-size="medium"] { font-size: clamp(1.75rem, 10vw, 3rem); }
  .caption[data-size="long"] { width: calc(100vw - 2.5rem); font-size: clamp(1.4rem, 7.8vw, 2rem); line-height: 1.02; }
  .intro-controls { left: 1rem; right: 1rem; justify-content: space-between; }
  .control-button { padding: .75rem .8rem; font-size: .62rem; }
  .culture { padding: .8rem; }
  .culture-grid { grid-template-columns: 1fr; }
  .identity-panel { grid-column: auto; min-height: 54svh; padding: 1.2rem; }
  h1 { font-size: clamp(3.4rem, 17vw, 4.2rem); overflow-wrap: anywhere; }
  .specimen { min-height: 58svh; }
  .culture-links { grid-template-columns: 1fr 1fr; }
  .culture-footer { grid-template-columns: 1fr; padding-bottom: 1rem; }
  .culture-footer button { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .intro-video { display: none; }
  .intro-character { animation: none; }
  .intro { background: linear-gradient(145deg, #07190b, #020704); }
}