@font-face {
  font-family: "Outfit";
  src: url("../fonts/Outfit.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: block;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/IBMPlexSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: block;
}

:root {
  --field: #000000;
  --field-light: #F4F2EE;
  --metal-hi: #D2D2D2;
  --metal: #C0C0BF;
  --metal-lo: #A5A5A4;
  --hairline: #E8E6E2;
  --mute: #767674;
  --ink: #121212;
  --track: 0.42em;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --zip: cubic-bezier(0.22, 1, 0.36, 1);
  --bar-w: clamp(16px, 1.9vw, 26px);
  --bar-h: clamp(48px, 6vw, 80px);
  --bar-gap: clamp(7px, 0.85vw, 12px);
  --mark-mb: clamp(32px, 4vw, 52px);
  --word: clamp(26px, 7vw, 88px);
}

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

html, body {
  height: 100%;
  background: var(--field);
  color: var(--metal);
}

html {
  background: var(--field);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: geometricPrecision;
  cursor: default;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("../img/grain.png");
  background-repeat: repeat;
  background-size: 480px 480px;
  opacity: 1;
}

.stage {
  position: relative;
  z-index: 2;
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 8vh 24px 10vh;
}

.lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0;
  pointer-events: none;
}

body[data-phase="lockup"] .lockup {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.18s linear;
}

body[data-phase="chaos"] .lockup {
  opacity: 0;
  pointer-events: none;
}

.mark {
  display: flex;
  gap: var(--bar-gap);
  height: var(--bar-h);
  margin-bottom: var(--mark-mb);
}
.mark i {
  display: block;
  width: var(--bar-w);
  height: 100%;
  background: linear-gradient(180deg, var(--metal-hi) 0%, var(--metal) 48%, var(--metal-lo) 100%);
}

.word-shell {
  position: relative;
  width: min(calc(100vw - 48px), 1280px);
  height: var(--word);
  font-family: "Outfit", sans-serif;
  font-weight: 300;
  font-size: var(--word);
  line-height: 1;
  text-transform: uppercase;
  user-select: none;
  white-space: nowrap;
}

.word-track,
.hit-map {
  position: absolute;
  top: 0;
  left: 50%;
  display: flex;
  align-items: flex-start;
  width: max-content;
  column-gap: var(--track);
  transform: translateX(-50%);
}

.word-track {
  z-index: 1;
  will-change: left, width, column-gap;
}

.word-letter {
  display: block;
  flex: 0 0 auto;
  height: 1em;
  line-height: 1;
  will-change: transform, opacity;
}

.word-letter[data-target] {
  cursor: pointer;
}

.letter-ink,
.word-ghost {
  display: block;
  line-height: 1;
  background-image: linear-gradient(180deg, var(--metal-hi) 8%, var(--metal) 52%, var(--metal-lo) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.letter-ink {
  transform-origin: 50% 58%;
  will-change: transform;
}

.word-ghosts {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: visible;
  pointer-events: none;
}

.word-ghost {
  position: absolute;
  top: 0;
  left: 0;
  width: max-content;
  transform-origin: 50% 58%;
  will-change: transform, opacity;
}

.hit-map {
  z-index: 3;
  color: transparent;
  -webkit-text-fill-color: transparent;
  pointer-events: none;
}

.lockup:not([data-mode="rest"]) .hit-map,
.lockup[data-mode="rest"]:not(.is-word-landed) .hit-map {
  visibility: hidden;
  pointer-events: none;
}

.slot {
  position: relative;
  display: block;
  flex: 0 0 auto;
  height: 1em;
  line-height: 1;
  pointer-events: none;
}

.slot.hit {
  z-index: 1;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
}

.lockup:not([data-mode="rest"]) .slot.hit,
.lockup[data-mode="rest"]:not(.is-word-landed) .slot.hit {
  pointer-events: none;
}

.lockup:not([data-mode="rest"]) .word-track {
  cursor: pointer;
}

.slot.hit::after {
  content: "";
  position: absolute;
  inset: -0.38em -0.2em;
}

.slot.hit:focus { outline: none; }
.slot.hit:focus-visible::before {
  content: "";
  position: absolute;
  left: 0.04em;
  right: 0.04em;
  bottom: -0.16em;
  height: 1px;
  background: var(--metal-lo);
  opacity: 0.72;
  pointer-events: none;
}

/* Sparse, sub-pixel rest motion: a machining tolerance, not a wiggle. */
.lockup[data-mode="rest"].is-word-landed .word-letter[data-key="s"] .letter-ink {
  animation: rest-twitch-s 4.8s ease-in-out 0.15s infinite;
}
.lockup[data-mode="rest"].is-word-landed .word-letter[data-key="t"] .letter-ink {
  animation: rest-twitch-t 5.4s ease-in-out 0.55s infinite;
}
.lockup[data-mode="rest"].is-word-landed .word-letter[data-key="o"] .letter-ink {
  animation: rest-twitch-o 4.2s ease-in-out 0.9s infinite;
}

@keyframes rest-twitch-s {
  0%, 10%, 24%, 56%, 70%, 100% { transform: translate3d(0, 0, 0) rotate(0); }
  17% { transform: translate3d(1.8px, -0.5px, 0) rotate(0.4deg); }
  63% { transform: translate3d(-1.4px, 0.55px, 0) rotate(-0.35deg); }
}
@keyframes rest-twitch-t {
  0%, 14%, 28%, 60%, 74%, 100% { transform: translate3d(0, 0, 0) rotate(0); }
  21% { transform: translate3d(-1.7px, 0.45px, 0) rotate(-0.38deg); }
  67% { transform: translate3d(1.5px, -0.5px, 0) rotate(0.32deg); }
}
@keyframes rest-twitch-o {
  0%, 8%, 22%, 52%, 66%, 100% { transform: translate3d(0, 0, 0) rotate(0); }
  15% { transform: translate3d(1.6px, 0.5px, 0) rotate(0.36deg); }
  59% { transform: translate3d(-1.9px, -0.4px, 0) rotate(-0.4deg); }
}

.lists {
  position: relative;
  margin-top: 2.6em;
  width: 100%;
  min-height: calc(18px * 1.7 * 3);
}

.tagline {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mute);
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s ease 0s;
}

body[data-phase="lockup"] .lockup[data-mode="rest"].is-word-landed .tagline {
  opacity: 1;
  transition: opacity 0.8s ease 0.35s;
}
body[data-phase="lockup"] .lockup:not([data-mode="rest"]) .tagline,
body[data-phase="lockup"] .lockup:not(.is-word-landed) .tagline {
  opacity: 0;
  transition: opacity 0.28s ease 0s;
}

.list {
  list-style: none;
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.7;
  color: var(--mute);
  letter-spacing: 0.01em;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.4s ease 0s;
}

.lockup.is-word-landed[data-mode="science"] .list-sci,
.lockup.is-word-landed[data-mode="technology"] .list-tech,
.lockup.is-word-landed[data-mode="operations"] .list-ops {
  opacity: 1;
  transition-delay: 0s;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chaos {
  position: fixed;
  inset: 0;
  z-index: 4;
  overflow: hidden;
  pointer-events: none;
}
.chaos-letter,
.chaos-bar {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform, opacity;
  pointer-events: none;
  transform-origin: 0 0;
}
.chaos-letter {
  font-family: "Outfit", sans-serif;
  font-weight: 300;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0;
  white-space: nowrap;
  user-select: none;
  background-image: linear-gradient(180deg, var(--metal-hi) 8%, var(--metal) 52%, var(--metal-lo) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.chaos-bar {
  background: linear-gradient(180deg, var(--metal-hi) 0%, var(--metal) 48%, var(--metal-lo) 100%);
}

body[data-phase="lockup"] .chaos {
  opacity: 0;
  transition: opacity 0.12s linear;
}

html.freeze .list,
html.freeze .tagline,
html.freeze .lockup,
html.freeze .chaos {
  transition: none !important;
  transition-delay: 0s !important;
}

html.freeze .letter-ink {
  animation: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .letter-ink {
    animation: none !important;
  }
  .list, .tagline, .lockup, .chaos {
    transition-duration: 220ms !important;
    transition-delay: 0s !important;
  }
}

@media (max-width: 720px) {
  .word-shell { width: calc(100vw - 40px); }
  .tagline { font-size: 13px; }
  .list { font-size: 15px; }
}