:root {
  --ink: #080907;
  --bone: #ddd8cb;
  --dim: #77756d;
  --line: rgba(221, 216, 203, 0.18);
  --ember: #b86b3e;
  --acid: #b7bb69;
}

* { box-sizing: border-box; }

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

body {
  color: var(--bone);
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

button, a { color: inherit; font: inherit; }
button { border: 0; }

::selection { color: var(--ink); background: var(--acid); }

.site-shell {
  position: relative;
  width: 100vw;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(255,255,255,.025), transparent 26%),
    var(--ink);
}

.noise {
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image:
    repeating-radial-gradient(circle at 13% 17%, transparent 0 1px, rgba(255,255,255,.055) 1px 1.4px, transparent 1.4px 4px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0 1px, transparent 1px 4px);
  mix-blend-mode: soft-light;
}

.gate {
  position: absolute;
  z-index: 20;
  inset: 0;
  background: var(--ink);
  transition: opacity .55s ease .75s, visibility 0s linear 1.3s;
}

.is-open .gate { opacity: 0; visibility: hidden; }

.gate::before,
.gate::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--ink);
  transition: transform 1s cubic-bezier(.77,0,.18,1) .2s;
}
.gate::before { top: 0; transform-origin: top; }
.gate::after { bottom: 0; transform-origin: bottom; }
.is-unlocking .gate::before { transform: translateY(-100%); }
.is-unlocking .gate::after { transform: translateY(100%); }

.gate-meta {
  position: absolute;
  z-index: 4;
  left: 28px;
  right: 28px;
  display: flex;
  justify-content: space-between;
  font: 9px/1.1 "Courier New", monospace;
  letter-spacing: .14em;
  color: #595a54;
}
.gate-meta--top { top: 25px; }
.gate-meta--bottom { bottom: 25px; }

.breach-line { position: absolute; z-index: 5; background: rgba(221,216,203,.16); transform: scale(0); }
.breach-line--x { height: 1px; left: 0; right: 0; top: 50%; transform-origin: center; }
.breach-line--y { width: 1px; top: 0; bottom: 0; left: 50%; transform-origin: center; }
.is-unlocking .breach-line--x { animation: breach-x .55s cubic-bezier(.77,0,.18,1) forwards; }
.is-unlocking .breach-line--y { animation: breach-y .55s cubic-bezier(.77,0,.18,1) .12s forwards; }
@keyframes breach-x { 0% { transform: scaleX(0); } 45% { transform: scaleX(1); opacity: 1; } 100% { transform: scaleX(1); opacity: 0; } }
@keyframes breach-y { 0% { transform: scaleY(0); } 45% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

.lock-button {
  position: absolute;
  z-index: 8;
  left: 50%;
  top: 50%;
  width: 130px;
  height: 130px;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  background: transparent;
  cursor: pointer;
}
.lock-button::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(221,216,203,.07);
  border-radius: 50%;
  transform: scale(.45);
  transition: transform .7s cubic-bezier(.23,1,.32,1), border-color .7s ease;
}
.lock-button:hover::before,
.lock-button:focus-visible::before { transform: scale(1); border-color: rgba(221,216,203,.28); }
.lock-button:focus-visible { outline: none; }

.lock-mark { position: relative; width: 24px; height: 31px; display: block; }
.lock-shackle {
  position: absolute;
  top: 0;
  left: 5px;
  width: 14px;
  height: 17px;
  border: 1px solid var(--bone);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  transform-origin: 2px 14px;
  transition: transform .38s cubic-bezier(.68,-.5,.27,1.5);
}
.lock-body {
  position: absolute;
  left: 1px;
  bottom: 0;
  width: 22px;
  height: 18px;
  border: 1px solid var(--bone);
  background: var(--ink);
}
.keyhole {
  position: absolute;
  width: 3px;
  height: 6px;
  top: 6px;
  left: 9px;
  background: var(--bone);
}
.keyhole::before { content: ""; position: absolute; width: 5px; height: 5px; left: -1px; top: -2px; border-radius: 50%; background: var(--bone); }
.is-unlocking .lock-shackle { transform: translateY(-3px) rotate(-38deg); }
.is-unlocking .lock-mark { animation: lock-fail .32s linear 2; }
@keyframes lock-fail { 25% { transform: translateX(-2px); } 75% { transform: translateX(2px); } }

.lock-status {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  color: #666760;
  font: 8px/1 "Courier New", monospace;
  letter-spacing: .19em;
  transition: color .2s ease;
}
.lock-button:hover .lock-status { color: var(--bone); }
.is-unlocking .lock-status { color: var(--ember); }

.wrong-place {
  position: absolute;
  z-index: 6;
  left: 50%;
  bottom: 13.5%;
  transform: translateX(-50%);
  margin: 0;
  color: #353631;
  font: 8px/1 "Courier New", monospace;
  letter-spacing: .2em;
  white-space: nowrap;
}

.archive {
  position: absolute;
  z-index: 1;
  inset: 0;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity .5s ease .72s, transform 1.2s cubic-bezier(.23,1,.32,1) .5s;
  outline: none;
  touch-action: pan-y;
  user-select: none;
}
.is-open .archive { opacity: 1; transform: scale(1); }

.archive-header,
.archive-footer {
  position: absolute;
  z-index: 10;
  left: 27px;
  right: 27px;
  height: 58px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  font: 9px/1 "Courier New", monospace;
  letter-spacing: .14em;
}
.archive-header { top: 0; border-bottom: 1px solid var(--line); }
.archive-footer { bottom: 0; border-top: 1px solid var(--line); }
.wordmark { padding: 0; width: max-content; background: none; letter-spacing: .32em; font-weight: 700; cursor: pointer; }
.header-classification { color: var(--dim); }
.counter { justify-self: end; }

.record-track {
  --record: 0;
  position: absolute;
  inset: 59px 0;
  display: flex;
  width: max-content;
  transform: translate3d(calc(var(--record) * -100vw),0,0);
  transition: transform .9s cubic-bezier(.76,0,.24,1);
  will-change: transform;
}

.record {
  position: relative;
  width: 100vw;
  height: 100%;
  flex: 0 0 100vw;
  display: grid;
  grid-template-columns: 8vw minmax(320px, 56vw) minmax(260px, 1fr);
  align-items: center;
  gap: 3.5vw;
  padding: 4vh 6.5vw;
}

.record-rail {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1px 0;
  color: var(--dim);
  font: 8px/1 "Courier New", monospace;
  letter-spacing: .18em;
}
.record-rail span:last-child { writing-mode: vertical-rl; transform: rotate(180deg); }

.evidence-frame {
  position: relative;
  height: min(68vh, 690px);
  min-height: 360px;
  overflow: hidden;
  background: #0e100d;
  isolation: isolate;
}
.evidence-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  box-shadow: inset 0 0 90px rgba(0,0,0,.75);
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0,0,0,.1) 3px 4px);
}
.frame-index { position: absolute; z-index: 5; right: 15px; top: 14px; color: rgba(221,216,203,.42); font: 9px/1 "Courier New", monospace; letter-spacing: .15em; }
.frame-corner { position: absolute; z-index: 5; width: 13px; height: 13px; }
.frame-corner--tl { left: 12px; top: 12px; border-left: 1px solid rgba(221,216,203,.48); border-top: 1px solid rgba(221,216,203,.48); }
.frame-corner--tr { right: 12px; top: 12px; border-right: 1px solid rgba(221,216,203,.48); border-top: 1px solid rgba(221,216,203,.48); }
.frame-corner--bl { left: 12px; bottom: 12px; border-left: 1px solid rgba(221,216,203,.48); border-bottom: 1px solid rgba(221,216,203,.48); }
.frame-corner--br { right: 12px; bottom: 12px; border-right: 1px solid rgba(221,216,203,.48); border-bottom: 1px solid rgba(221,216,203,.48); }

.art-field { position: absolute; inset: 0; overflow: hidden; }
.art-orbit, .art-slab, .art-trace { position: absolute; }
.art-code { position: absolute; z-index: 2; left: 18px; bottom: 18px; font: 8px/1 "Courier New", monospace; letter-spacing: .12em; color: rgba(255,255,255,.45); }

.record--film .evidence-frame { background: #000; }
.record--film .evidence-frame::after { pointer-events: none; }
.project-film {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}
.film-sound {
  position: absolute;
  z-index: 6;
  left: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid rgba(221,216,203,.42);
  background: rgba(8,9,7,.74);
  color: var(--bone);
  font: 8px/1 "Courier New", monospace;
  letter-spacing: .14em;
  cursor: pointer;
  backdrop-filter: blur(8px);
}
.sound-dot { width: 5px; height: 5px; border-radius: 50%; background: #686962; box-shadow: 0 0 0 3px rgba(221,216,203,.06); }
.film-sound.is-on .sound-dot { background: var(--ember); box-shadow: 0 0 8px var(--ember); }
.film-sound:hover,
.film-sound:focus-visible { border-color: var(--bone); outline: none; }

.record--tide .art-field { background: radial-gradient(circle at 68% 37%, #545f62 0 1%, transparent 1.3%), linear-gradient(155deg, #262e2e 0 42%, #7d8681 42.4% 44%, #2e393b 44.2% 52%, #161b1c 52%); }
.record--tide .art-orbit { width: 42%; aspect-ratio: 1; border: 1px solid rgba(221,216,203,.3); border-radius: 50%; left: 47%; top: 16%; }
.record--tide .art-slab { width: 18%; height: 62%; left: 16%; bottom: -8%; background: rgba(184,107,62,.7); transform: skew(-10deg); mix-blend-mode: color-dodge; }
.record--tide .art-trace { left: 0; right: 0; top: 57%; height: 1px; background: rgba(221,216,203,.55); box-shadow: 0 12px rgba(221,216,203,.15), 0 -21px rgba(221,216,203,.1); }

.record--signal .art-field { background: #b5ae9c; }
.record--signal .art-orbit { width: 74%; aspect-ratio: 1; border: 1px solid rgba(8,9,7,.4); border-radius: 50%; left: -8%; top: 8%; box-shadow: 70px 0 0 -1px #b5ae9c, 70px 0 0 0 rgba(8,9,7,.35), 140px 0 0 -1px #b5ae9c, 140px 0 0 0 rgba(8,9,7,.25); }
.record--signal .art-slab { width: 28%; height: 100%; right: 9%; top: 0; background: var(--ink); }
.record--signal .art-trace { width: 180%; height: 1px; background: rgba(8,9,7,.5); left: -40%; top: 53%; transform: rotate(-27deg); }
.record--signal .art-code { color: rgba(8,9,7,.6); }

.record--velocity .art-field { background: linear-gradient(90deg, #1d0706 0 8%, #651914 8% 12%, #140706 12% 19%, #ad3b22 19% 20%, #1b0b09 20% 72%, #b75a31 72% 74%, #2b0b08 74%); }
.record--velocity .art-orbit { width: 55%; aspect-ratio: 1; left: 24%; top: 21%; border: 12px solid rgba(8,9,7,.9); border-radius: 50%; box-shadow: 0 0 0 1px rgba(221,216,203,.18), inset 0 0 0 1px rgba(221,216,203,.25); }
.record--velocity .art-slab { height: 16%; width: 82%; left: 5%; top: 51%; background: rgba(221,216,203,.1); transform: skewX(-30deg); filter: blur(6px); }
.record--velocity .art-trace { left: 8%; right: 6%; bottom: 16%; height: 3px; background: var(--ember); box-shadow: 0 0 18px var(--ember); }

.record--remains .art-field { background: linear-gradient(0deg, rgba(14,31,18,.55), transparent 50%), radial-gradient(ellipse at 75% 20%, #b9b06d, transparent 23%), #1a261d; }
.record--remains .art-orbit { width: 70%; height: 55%; border-radius: 50%; border: 1px solid rgba(221,216,203,.2); left: 16%; bottom: 3%; transform: rotate(-7deg); }
.record--remains .art-slab { width: 3px; height: 74%; left: 52%; bottom: -4%; background: #88945c; transform: rotate(23deg); box-shadow: -54px 9px 0 -1px #536343, 72px 4px 0 -1px #69764e; }
.record--remains .art-trace { inset: 0; background: repeating-linear-gradient(100deg, transparent 0 10%, rgba(221,216,203,.035) 10% 10.4%); }

.record--memory .art-field { background: #c8c3b6; }
.record--memory .art-orbit { width: 32%; aspect-ratio: 1; background: var(--ink); left: 34%; top: 28%; transform: rotate(45deg); }
.record--memory .art-orbit::after { content: "?"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--bone); font: 100 14vw/1 Arial, sans-serif; transform: rotate(-45deg); }
.record--memory .art-slab { inset: 9%; border: 1px solid rgba(8,9,7,.28); }
.record--memory .art-trace { top: 0; bottom: 0; width: 1px; left: 50%; background: rgba(8,9,7,.2); }
.record--memory .art-code { color: rgba(8,9,7,.65); }

.record-copy { align-self: end; padding-bottom: 7vh; max-width: 380px; }
.record-copy > p { max-width: 300px; margin: 0 0 24px; color: var(--dim); font: 10px/1.65 "Courier New", monospace; letter-spacing: .08em; text-transform: uppercase; }
.record-copy h1 { margin: 0; max-width: 400px; font-size: clamp(36px, 4.2vw, 76px); line-height: .91; letter-spacing: -.06em; font-weight: 400; }
.record-stamp { display: flex; gap: 22px; margin-top: 34px; padding-top: 12px; border-top: 1px solid var(--line); color: #5e5f58; font: 8px/1 "Courier New", monospace; letter-spacing: .14em; }

.terminal-record { display: block; padding: 0 6.5vw; }
.terminal-code { position: absolute; top: 5vh; left: 6.5vw; color: var(--ember); font: 8px/1 "Courier New", monospace; letter-spacing: .17em; }
.terminal-center { position: absolute; left: 50%; top: 49%; transform: translate(-50%, -50%); width: min(720px, 82vw); text-align: center; }
.terminal-center > p { margin: 0 0 28px; color: var(--dim); font: 8px/1 "Courier New", monospace; letter-spacing: .2em; }
.terminal-center h1 { margin: 0; font-size: clamp(52px, 8vw, 132px); font-weight: 400; line-height: .78; letter-spacing: -.075em; }
.signal-label { display: inline-flex; gap: 28px; align-items: center; margin-top: 52px; padding: 14px 0 10px; border-bottom: 1px solid var(--bone); font: 9px/1 "Courier New", monospace; letter-spacing: .16em; }
.terminal-foot { position: absolute; left: 6.5vw; right: 6.5vw; bottom: 4vh; display: flex; justify-content: space-between; color: #51524d; font: 8px/1 "Courier New", monospace; letter-spacing: .12em; }

.progress { justify-self: start; display: flex; gap: 7px; }
.progress button { width: 17px; height: 2px; padding: 0; background: #33342f; cursor: pointer; transition: width .35s ease, background .35s ease; }
.progress button.is-current { width: 38px; background: var(--bone); }
.instruction { color: #565750; }
.archive-controls { justify-self: end; display: flex; gap: 18px; }
.archive-controls button { padding: 8px; background: transparent; cursor: pointer; }
.archive-controls button:disabled { opacity: .18; cursor: default; }

@media (max-width: 820px) {
  .site-shell { min-height: 560px; }
  .gate-meta { left: 18px; right: 18px; }
  .gate-meta span:nth-child(2), .header-classification, .instruction { display: none; }
  .archive-header, .archive-footer { left: 17px; right: 17px; grid-template-columns: 1fr 1fr; }
  .counter, .archive-controls { justify-self: end; }
  .record { grid-template-columns: 28px 1fr; grid-template-rows: minmax(0, 60%) 1fr; gap: 16px; padding: 3vh 17px; }
  .record-rail { grid-row: 1 / 3; }
  .evidence-frame { height: 100%; min-height: 0; }
  .record-copy { align-self: start; padding: 6px 0 0; }
  .record-copy > p { margin: 0 0 10px; font-size: 8px; line-height: 1.4; }
  .record-copy h1 { font-size: clamp(36px, 11vw, 58px); line-height: .9; }
  .record-stamp { margin-top: 14px; }
  .film-sound { left: 12px; bottom: 12px; padding: 9px 10px; }
  .terminal-center h1 { font-size: clamp(50px, 16vw, 82px); }
  .terminal-foot span:last-child { display: none; }
  .terminal-foot { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
}