@font-face {
  font-family: "Fiz2Z Mono";
  src: url("/assets/IBMPlexMono-Regular-d3034935.woff2") format("woff2");
  font-display: swap;
}

:root {
  color-scheme: dark;
  --fiz-ink: #f8fbff;
  --fiz-muted: rgba(226, 235, 246, 0.68);
  --fiz-dim: rgba(226, 235, 246, 0.34);
  --fiz-line: rgba(225, 238, 252, 0.2);
  --fiz-accent: #b9d9ff;
  --fiz-dark: #07111f;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #99a3b1;
}

button {
  font: inherit;
}

#yuc-profile {
  --pointer-x: 50vw;
  --pointer-y: 50vh;
  position: fixed;
  inset: 0;
  z-index: 20;
  overflow: hidden;
  pointer-events: none;
  color: var(--fiz-ink);
  font-family: "Fiz2Z Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  isolation: isolate;
}

.yuc-scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(185, 217, 255, 0.14), transparent 28vw),
    linear-gradient(90deg, rgba(5, 13, 24, 0.88) 0%, rgba(5, 13, 24, 0.52) 34%, rgba(5, 13, 24, 0.08) 68%, transparent 82%),
    linear-gradient(180deg, rgba(6, 14, 25, 0.26), transparent 30%, rgba(6, 14, 25, 0.2));
  transition: opacity 900ms cubic-bezier(.2,.7,.2,1);
}

.yuc-scrim::after {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
  content: "";
  opacity: .1;
  mix-blend-mode: soft-light;
}

.yuc-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--fiz-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--fiz-line) 1px, transparent 1px);
  background-size: min(8vw, 120px) min(8vw, 120px);
  opacity: .07;
  mask-image: linear-gradient(90deg, #000, transparent 74%);
  transition: opacity 700ms ease;
}

.yuc-frame {
  position: absolute;
  inset: clamp(22px, 4vw, 58px);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  border-top: 1px solid var(--fiz-line);
  color: var(--fiz-dim);
  font-size: 9px;
  letter-spacing: .18em;
  padding-top: 10px;
  transition: opacity 500ms ease;
}

.yuc-frame::before,
.yuc-frame::after {
  position: absolute;
  top: -4px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--fiz-muted);
  content: "";
  transform: rotate(45deg);
}

.yuc-frame::before { left: 0; }
.yuc-frame::after { right: 0; }

.yuc-hero,
.yuc-final-panel {
  position: absolute;
  top: 50%;
  left: clamp(34px, 7vw, 128px);
  width: min(660px, calc(100vw - 68px));
  transform: translateY(-47%);
}

.yuc-hero {
  transition: opacity 600ms ease, transform 900ms cubic-bezier(.16,.72,.22,1), filter 700ms ease;
}

.yuc-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(520px, 100%);
  margin-bottom: clamp(14px, 2vh, 24px);
  color: var(--fiz-muted);
  font-size: clamp(9px, .75vw, 11px);
  letter-spacing: .16em;
}

.yuc-eyebrow span:first-child {
  color: var(--fiz-accent);
}

.yuc-hero h1 {
  display: flex;
  align-items: baseline;
  margin: 0 0 0 -.06em;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(94px, 14.5vw, 224px);
  font-weight: 700;
  line-height: .72;
  letter-spacing: -.105em;
  white-space: nowrap;
  text-shadow: 0 26px 80px rgba(1, 7, 15, .3);
}

.yuc-title__fiz {
  color: var(--fiz-ink);
}

.yuc-title__2z {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(240, 247, 255, .82);
  transform: translateY(.035em);
}

.yuc-title__dot {
  color: var(--fiz-accent);
  font-size: .55em;
  transform: translate(.1em, -.06em);
}

.yuc-manifesto {
  display: grid;
  grid-template-columns: 190px minmax(260px, 1fr);
  gap: 26px;
  align-items: start;
  width: min(620px, 100%);
  margin-top: clamp(30px, 5vh, 54px);
  padding-top: 18px;
  border-top: 1px solid var(--fiz-line);
}

.yuc-role,
.yuc-intro {
  margin: 0;
}

.yuc-role {
  color: var(--fiz-ink);
  font-size: clamp(14px, 1.4vw, 20px);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.yuc-intro {
  color: var(--fiz-muted);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(13px, 1.1vw, 16px);
  line-height: 1.75;
}

.yuc-signals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(620px, 100%);
  margin: clamp(24px, 4vh, 40px) 0 0;
  border-top: 1px solid var(--fiz-line);
  border-bottom: 1px solid var(--fiz-line);
}

.yuc-signals div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 11px 16px 11px 0;
}

.yuc-signals div + div {
  padding-left: 16px;
  border-left: 1px solid var(--fiz-line);
}

.yuc-signals dt,
.yuc-signals dd {
  margin: 0;
  font-size: 9px;
  letter-spacing: .13em;
}

.yuc-signals dt { color: var(--fiz-accent); }
.yuc-signals dd { color: var(--fiz-muted); }

.yuc-final-panel {
  width: min(460px, calc(100vw - 68px));
  opacity: 0;
  filter: blur(16px);
  transform: translate(-34px, -45%);
  transition: opacity 700ms ease, transform 1000ms cubic-bezier(.16,.72,.22,1), filter 700ms ease;
}

.yuc-final-panel__index {
  margin: 0 0 20px;
  color: var(--fiz-accent);
  font-size: 10px;
  letter-spacing: .18em;
}

.yuc-final-panel h2 {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(72px, 9vw, 136px);
  line-height: .8;
  letter-spacing: -.085em;
}

.yuc-final-panel h2 span { color: var(--fiz-accent); }

.yuc-final-panel__github {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  padding: 13px 0;
  border-top: 1px solid var(--fiz-line);
  border-bottom: 1px solid var(--fiz-line);
  color: var(--fiz-ink);
  font-size: 10px;
  letter-spacing: .14em;
}

.yuc-final-panel__copy {
  margin: 22px 0 0;
  color: var(--fiz-muted);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.7;
}

.yuc-final-panel__stack {
  display: flex;
  gap: 20px;
  margin-top: 24px;
  color: var(--fiz-dim);
  font-size: 9px;
  letter-spacing: .11em;
}

.yuc-icon {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.yuc-audio,
.yuc-close {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  border: 0;
  border-bottom: 1px solid var(--fiz-line);
  background: transparent;
  color: var(--fiz-muted);
  font-size: 9px;
  letter-spacing: .16em;
  pointer-events: auto;
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease, transform 300ms ease;
}

.yuc-audio:hover,
.yuc-close:hover,
.yuc-audio:focus-visible,
.yuc-close:focus-visible {
  color: var(--fiz-ink);
  border-color: var(--fiz-accent);
  outline: none;
}

.yuc-audio {
  left: clamp(22px, 4vw, 58px);
  bottom: clamp(22px, 4vw, 48px);
}

.yuc-audio__icon {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
}

.yuc-audio__icon .yuc-icon { grid-area: 1 / 1; }
.yuc-icon--volume { display: none; }
.yuc-audio__state { color: var(--fiz-accent); }

#yuc-profile[data-sound="on"] .yuc-icon--volume { display: block; }
#yuc-profile[data-sound="on"] .yuc-icon--muted { display: none; }

.yuc-close {
  right: clamp(22px, 4vw, 58px);
  bottom: clamp(22px, 4vw, 48px);
}

.yuc-close[hidden] { display: none; }

.yuc-scroll {
  position: absolute;
  right: clamp(22px, 4vw, 58px);
  bottom: clamp(24px, 4vw, 50px);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--fiz-muted);
  font-size: 9px;
  letter-spacing: .16em;
  transition: opacity 400ms ease, transform 500ms ease;
}

.yuc-scroll__line {
  position: relative;
  width: 54px;
  height: 1px;
  overflow: hidden;
  background: var(--fiz-line);
}

.yuc-scroll__line::after {
  position: absolute;
  inset: 0;
  background: var(--fiz-ink);
  content: "";
  animation: yuc-scan 1.8s cubic-bezier(.5,0,.5,1) infinite;
}

.yuc-scroll__arrow {
  width: 16px;
  height: 16px;
  animation: yuc-arrow 1.8s ease-in-out infinite;
}

.yuc-stage {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

body.yuc-exploring .yuc-hero {
  opacity: 0;
  filter: blur(12px);
  transform: translate(-36px, -47%) scale(.975);
}

body.yuc-exploring .yuc-scrim { opacity: 0; }
body.yuc-exploring .yuc-grid { opacity: 0; }
body.yuc-exploring .yuc-frame { opacity: 0; }
body.yuc-exploring .yuc-scroll { opacity: 0; transform: translateY(12px); }

body.yuc-exploring.yuc-final-profile .yuc-scrim {
  opacity: 1;
  background:
    radial-gradient(circle at var(--pointer-x) var(--pointer-y), rgba(185, 217, 255, 0.12), transparent 24vw),
    linear-gradient(90deg, rgba(5, 13, 24, .86) 0%, rgba(5, 13, 24, .62) 28%, rgba(5, 13, 24, .06) 54%, transparent 66%);
}

body.yuc-exploring.yuc-final-profile .yuc-grid { opacity: .04; }
body.yuc-exploring.yuc-final-profile .yuc-final-panel {
  opacity: 1;
  filter: blur(0);
  transform: translateY(-45%);
}

@keyframes yuc-scan {
  from { transform: translateX(-110%); }
  to { transform: translateX(110%); }
}

@keyframes yuc-arrow {
  0%, 100% { transform: translateY(-2px); opacity: .45; }
  50% { transform: translateY(3px); opacity: 1; }
}

@media (max-width: 760px) {
  .yuc-frame span:last-child { display: none; }
  .yuc-hero,
  .yuc-final-panel { left: 24px; width: calc(100vw - 48px); }
  .yuc-hero h1 { font-size: clamp(86px, 28vw, 150px); }
  .yuc-eyebrow span:last-child { display: none; }
  .yuc-manifesto { grid-template-columns: 1fr; gap: 14px; margin-top: 34px; }
  .yuc-intro br { display: none; }
  .yuc-signals div { grid-template-columns: 1fr; gap: 5px; }
  .yuc-final-panel__stack { flex-wrap: wrap; gap: 10px 18px; }
  .yuc-scroll__label,
  .yuc-scroll__line { display: none; }
}

@media (max-height: 650px) and (min-width: 761px) {
  .yuc-hero h1 { font-size: clamp(90px, 13vw, 168px); }
  .yuc-manifesto { margin-top: 28px; }
  .yuc-signals { margin-top: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}