:root {
  color-scheme: light;
  --background: #fbfbfb;
  --surface: #ffffff;
  --foreground: #050505;
  --muted: color-mix(in oklab, var(--foreground) 48%, var(--background));
  --quiet: color-mix(in oklab, var(--foreground) 18%, transparent);
  --edge: color-mix(in oklab, var(--foreground) 10%, transparent);
  --line: color-mix(in oklab, var(--foreground) 14%, transparent);
  --line-strong: color-mix(in oklab, var(--foreground) 24%, transparent);
  --glow: color-mix(in oklab, var(--foreground) 7%, transparent);
  --grain-opacity: 0.045;
  --dot-opacity: 0.08;
}

:root.dark {
  color-scheme: dark;
  --background: #050505;
  --surface: #090909;
  --foreground: #fafafa;
  --muted: color-mix(in oklab, var(--foreground) 52%, var(--background));
  --quiet: color-mix(in oklab, var(--foreground) 18%, transparent);
  --edge: color-mix(in oklab, var(--foreground) 12%, transparent);
  --line: color-mix(in oklab, var(--foreground) 15%, transparent);
  --line-strong: color-mix(in oklab, var(--foreground) 28%, transparent);
  --glow: color-mix(in oklab, var(--foreground) 8%, transparent);
  --grain-opacity: 0.055;
  --dot-opacity: 0.09;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--background);
}

body {
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--background);
  color: var(--foreground);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  transition:
    background-color 420ms ease,
    color 420ms ease;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.ambient,
.signature-field,
.page-surface,
.side-stripe {
  pointer-events: none;
}

.ambient-dots {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: var(--dot-opacity);
  background-image: radial-gradient(
    circle at 1px 1px,
    var(--foreground) 1px,
    transparent 1.2px
  );
  background-position: 0 0;
  background-repeat: repeat;
  background-size: 30px 30px;
}

.ambient-noise {
  position: fixed;
  inset: 0;
  z-index: 5;
  opacity: var(--grain-opacity);
  mix-blend-mode: normal;
  background-image:
    linear-gradient(115deg, transparent 0 38%, color-mix(in oklab, var(--foreground) 8%, transparent) 49%, transparent 60%),
    radial-gradient(circle at 23% 28%, color-mix(in oklab, var(--foreground) 10%, transparent), transparent 34%),
    radial-gradient(circle at 77% 72%, color-mix(in oklab, var(--foreground) 8%, transparent), transparent 32%);
  background-size:
    220% 220%,
    100% 100%,
    100% 100%;
}

:root.dark .ambient-noise {
  mix-blend-mode: screen;
}

.signature-field {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100dvw;
  height: 100dvh;
  opacity: 0.74;
}

.page-surface {
  position: fixed;
  top: 0;
  left: max(0px, calc((100dvw - 48rem) / 2));
  z-index: 2;
  width: min(48rem, 100dvw);
  height: 100%;
  background:
    linear-gradient(90deg, transparent, var(--surface) 8%, var(--surface) 92%, transparent),
    radial-gradient(ellipse at center, var(--glow), transparent 64%);
  transition: background 420ms ease;
}

.outer-zone {
  position: fixed;
  top: 0;
  bottom: 2rem;
  z-index: 3;
  display: none;
  width: max(0px, calc((100dvw - 48rem) / 2));
  overflow: hidden;
  pointer-events: none;
}

.outer-zone-left {
  left: 0;
}

.outer-zone-right {
  right: 0;
}

.outer-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, color-mix(in oklab, var(--foreground) 10%, transparent), transparent 38%),
    repeating-linear-gradient(
      90deg,
      transparent 0 47px,
      color-mix(in oklab, var(--foreground) 8%, transparent) 47px 48px,
      transparent 48px 96px
    ),
    linear-gradient(90deg, transparent, color-mix(in oklab, var(--foreground) 7%, transparent));
}

.outer-zone-left::before {
  transform: scaleX(-1);
}

.outer-copy {
  position: absolute;
  top: clamp(6.5rem, 18vh, 12rem);
  display: grid;
  gap: 0.45rem;
  width: min(16rem, 58%);
  color: var(--muted);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: clamp(0.58rem, 0.8vw, 0.68rem);
  letter-spacing: 0.1em;
  line-height: 1.35;
  text-transform: uppercase;
  opacity: 0.9;
}

.outer-zone-left .outer-copy {
  left: clamp(1.2rem, 7vw, 6rem);
}

.outer-zone-right .outer-copy {
  right: clamp(1.2rem, 7vw, 6rem);
  text-align: right;
}

.outer-copy span:last-child {
  letter-spacing: 0.03em;
  text-transform: lowercase;
}

.outer-scale {
  position: absolute;
  top: 22%;
  bottom: 14%;
  width: 1px;
  opacity: 0.72;
  background: repeating-linear-gradient(
    180deg,
    var(--foreground) 0 1px,
    transparent 1px 18px,
    var(--foreground) 18px 19px,
    transparent 19px 48px
  );
}

.outer-zone-left .outer-scale {
  right: clamp(1rem, 4vw, 3.5rem);
}

.outer-zone-right .outer-scale {
  left: clamp(1rem, 4vw, 3.5rem);
}

.stack-map {
  position: absolute;
  top: clamp(16rem, 38vh, 24rem);
  width: min(16rem, 58%);
  height: 12rem;
  color: var(--foreground);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: clamp(0.56rem, 0.78vw, 0.66rem);
  letter-spacing: 0.11em;
  text-transform: uppercase;
  opacity: 0.78;
}

.stack-map-left {
  left: clamp(1.2rem, 7vw, 6rem);
}

.stack-map-right {
  right: clamp(1.2rem, 7vw, 6rem);
}

.stack-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.2rem;
  height: 1.6rem;
  padding-inline: 0.5rem;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklab, var(--background) 82%, transparent);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--background) 70%, transparent);
}

.stack-node::before,
.stack-node::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0.28rem;
  height: 1px;
  background: var(--line-strong);
}

.stack-node::before {
  left: -0.28rem;
}

.stack-node::after {
  right: -0.28rem;
}

.stack-node-a {
  top: 0;
  left: 0;
}

.stack-node-b {
  top: 4.6rem;
  left: 42%;
}

.stack-node-c {
  right: 0;
  bottom: 0;
}

.stack-map-right .stack-node-a {
  right: 0;
  left: auto;
}

.stack-map-right .stack-node-b {
  right: 42%;
  left: auto;
}

.stack-map-right .stack-node-c {
  right: auto;
  left: 0;
}

.shell {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  width: min(48rem, calc(100dvw - 1rem));
  margin: 0 auto;
  overflow: hidden;
  border-inline: 1px solid var(--edge);
  background:
    linear-gradient(var(--line), var(--line)) 50% 0 / 1px 100% no-repeat,
    linear-gradient(90deg, transparent 0, color-mix(in oklab, var(--quiet) 60%, transparent) 50%, transparent 100%) 0 50% /
      100% 1px no-repeat;
}

.shell::before,
.shell::after {
  content: "";
  position: absolute;
  left: clamp(1rem, 5vw, 3rem);
  right: clamp(1rem, 5vw, 3rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.shell::before {
  top: 6.5rem;
}

.shell::after {
  bottom: 3.5rem;
}

.precision-frame {
  position: absolute;
  inset: clamp(0.5rem, 1.4vw, 0.875rem);
  pointer-events: none;
}

.corner {
  position: absolute;
  width: 1.1rem;
  height: 1.1rem;
  border-color: var(--line-strong);
}

.corner-tl {
  top: 0;
  left: 0;
  border-top: 1px solid;
  border-left: 1px solid;
}

.corner-tr {
  top: 0;
  right: 0;
  border-top: 1px solid;
  border-right: 1px solid;
}

.corner-bl {
  bottom: 0;
  left: 0;
  border-bottom: 1px solid;
  border-left: 1px solid;
}

.corner-br {
  right: 0;
  bottom: 0;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.axis {
  position: absolute;
  opacity: 0.7;
}

.axis-x {
  top: 50%;
  left: 50%;
  width: min(34rem, 72vw);
  height: 1px;
  transform: translate(-50%, -50%);
  background: repeating-linear-gradient(
    90deg,
    transparent 0 22px,
    color-mix(in oklab, var(--line) 62%, transparent) 22px 23px,
    transparent 23px 44px
  );
}

.axis-y {
  top: 50%;
  left: 50%;
  width: 1px;
  height: min(26rem, 58vh);
  transform: translate(-50%, -50%);
  background: repeating-linear-gradient(
    180deg,
    transparent 0 22px,
    color-mix(in oklab, var(--line) 62%, transparent) 22px 23px,
    transparent 23px 44px
  );
}

.lateral-field {
  position: absolute;
  z-index: 3;
  display: grid;
  width: clamp(8.5rem, 22vw, 13rem);
  gap: 0.45rem;
  pointer-events: none;
  color: var(--muted);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: clamp(0.58rem, 1.35vw, 0.68rem);
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-align: left;
  text-transform: uppercase;
  opacity: 0.78;
}

.lateral-field-left {
  top: clamp(9rem, 24vh, 13rem);
  left: clamp(1.4rem, 5vw, 3rem);
}

.lateral-field-right {
  right: clamp(1.4rem, 5vw, 3rem);
  bottom: clamp(8rem, 20vh, 11rem);
  text-align: right;
}

.field-index {
  color: var(--foreground);
  font-size: 0.72rem;
  opacity: 0.64;
}

.field-rule {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.lateral-field-right .field-rule {
  background: linear-gradient(90deg, transparent, var(--line-strong));
}

.field-title {
  color: color-mix(in oklab, var(--foreground) 62%, var(--background));
}

.field-line {
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: lowercase;
}

.field-meter {
  display: flex;
  align-items: end;
  gap: 0.28rem;
  height: 2rem;
  margin-top: 0.25rem;
}

.field-meter i {
  display: block;
  width: 1px;
  height: var(--h);
  background: var(--line-strong);
  animation: meter-pulse 3.6s ease-in-out infinite;
}

.field-meter i:nth-child(2) {
  animation-delay: 0.35s;
}

.field-meter i:nth-child(3) {
  animation-delay: 0.7s;
}

.field-meter i:nth-child(4) {
  animation-delay: 1.05s;
}

.field-meter i:nth-child(5) {
  animation-delay: 1.4s;
}

.lateral-field-right .field-meter {
  justify-content: end;
}

.field-orbit {
  justify-self: end;
  width: 3.8rem;
  aspect-ratio: 1;
  margin-top: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(var(--line), var(--line)) 50% 0 / 1px 100% no-repeat,
    linear-gradient(90deg, var(--line), var(--line)) 0 50% / 100% 1px no-repeat;
  opacity: 0.72;
  animation: orbit-breathe 5.4s ease-in-out infinite;
}

.field-orbit::before {
  content: "";
  display: block;
  width: 0.38rem;
  aspect-ratio: 1;
  margin: 0.45rem;
  border-radius: 999px;
  background: var(--line-strong);
  animation: orbit-node 5.4s linear infinite;
}

.top-actions {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.55rem, 2vw, 1rem);
  height: 4rem;
  padding-inline: clamp(0.75rem, 2.6vw, 1.25rem);
}

.icon-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--foreground);
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    border-color 220ms ease,
    background-color 220ms ease,
    transform 220ms ease;
}

.icon-button::before {
  content: "";
  position: absolute;
  inset: 0.35rem;
  border: 1px solid var(--line);
  border-radius: inherit;
  opacity: 0;
  transform: scale(0.7) rotate(12deg);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  border-color: var(--line);
  background: color-mix(in oklab, var(--foreground) 5%, transparent);
  transform: translateY(-1px);
}

.icon-button:hover::before,
.icon-button:focus-visible::before {
  opacity: 1;
  transform: scale(1) rotate(0);
}

.icon-button:focus-visible {
  outline: 2px solid var(--foreground);
  outline-offset: 3px;
}

.github-icon,
.sun-icon,
.moon-icon {
  position: relative;
  width: 1.2rem;
  height: 1.2rem;
  z-index: 1;
}

.github-icon {
  fill: currentColor;
}

.sun-icon,
.moon-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition:
    opacity 240ms ease,
    transform 240ms ease;
}

.theme-orbit {
  position: absolute;
  inset: 0.44rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  opacity: 0;
  transform: scale(0.4);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.theme-toggle:hover .theme-orbit,
.theme-toggle:focus-visible .theme-orbit {
  opacity: 1;
  transform: scale(1);
}

:root.dark .sun-icon,
:root:not(.dark) .moon-icon {
  position: absolute;
  opacity: 0;
  transform: rotate(-35deg) scale(0.65);
}

.hero {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  min-height: 100dvh;
  place-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  text-align: center;
}

.kicker,
.signature-meta {
  position: absolute;
  left: 50%;
  margin: 0;
  color: var(--muted);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: clamp(0.625rem, 1.8vw, 0.72rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kicker {
  top: clamp(5.2rem, 12vh, 7.4rem);
  transform: translateX(-50%);
}

.signature-meta {
  bottom: clamp(4.4rem, 9vh, 5.6rem);
  display: flex;
  width: min(30rem, calc(100% - 2rem));
  justify-content: space-between;
  transform: translateX(-50%);
  opacity: 0.76;
}

.hero-content {
  position: relative;
  display: grid;
  place-items: center;
  gap: clamp(1rem, 2.6vw, 1.35rem);
  width: min(42rem, 100%);
  isolation: isolate;
}

.hero-content::before {
  content: "";
  position: absolute;
  inset: -4rem -3rem -3rem;
  z-index: -1;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at center, var(--surface) 0%, transparent 68%),
    radial-gradient(ellipse at center, var(--glow), transparent 72%);
}

.wordmark {
  margin: 0;
  color: var(--foreground);
  font-family: "Times New Roman", Georgia, serif;
  font-size: clamp(5.15rem, 18.5vw, 9.2rem);
  font-style: italic;
  font-weight: 300;
  letter-spacing: -0.045em;
  line-height: 0.83;
  text-wrap: nowrap;
  filter: drop-shadow(0 1px 0 color-mix(in oklab, var(--background) 55%, transparent));
}

.wordmark span {
  display: inline-block;
  animation: name-in 720ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(120ms + var(--i) * 42ms);
}

.sentence-lockup {
  display: grid;
  grid-template-columns: minmax(1.8rem, 1fr) auto minmax(1.8rem, 1fr);
  align-items: center;
  justify-content: center;
  gap: clamp(0.7rem, 2.5vw, 1.2rem);
  width: min(36rem, 100%);
  margin-inline: auto;
}

.signal-rule {
  height: 1px;
  overflow: hidden;
  background: linear-gradient(90deg, transparent, var(--line-strong));
}

.signal-rule:last-child {
  transform: scaleX(-1);
}

.flip-sentences {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(23rem, 66vw);
  min-height: 1.35rem;
  color: var(--muted);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: clamp(0.76rem, 2.2vw, 0.95rem);
  letter-spacing: 0;
  text-align: center;
  animation: subtitle-in 520ms ease-out 640ms both;
}

.flip-text {
  display: inline-block;
  animation: flip-in 300ms ease-out both;
}

.flip-text.is-exiting {
  animation: flip-out 260ms ease-in both;
}

.terminal-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 0.22rem;
  transform: translateY(0.12em);
  background: currentColor;
  opacity: 0.72;
  animation: terminal-cursor 1.15s infinite;
}

.side-stripe {
  position: fixed;
  bottom: 0;
  z-index: 3;
  width: max(8rem, calc((100dvw - min(48rem, 100dvw)) / 2));
  height: 2rem;
  background-image: repeating-linear-gradient(
    315deg,
    var(--line) 0,
    var(--line) 1px,
    transparent 0,
    transparent 50%
  );
  background-size: 10px 10px;
  opacity: 0.72;
  animation: side-stripes 16s linear infinite;
}

.side-stripe-left {
  left: 0;
}

.side-stripe-right {
  right: 0;
}

@keyframes name-in {
  from {
    opacity: 0;
    transform: translateY(1.25rem) rotateX(18deg);
  }

  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
  }
}

@keyframes subtitle-in {
  from {
    opacity: 0;
    transform: translateY(0.45rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flip-in {
  from {
    opacity: 0;
    transform: translateY(-0.55rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flip-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(0.55rem);
  }
}

@keyframes terminal-cursor {
  0%,
  48% {
    opacity: 1;
  }

  49%,
  100% {
    opacity: 0;
  }
}

@keyframes side-stripes {
  from {
    background-position: 0 0;
  }

  to {
    background-position: 20px 0;
  }
}

@keyframes meter-pulse {
  0%,
  100% {
    opacity: 0.38;
    transform: scaleY(0.72);
  }

  50% {
    opacity: 0.9;
    transform: scaleY(1);
  }
}

@keyframes orbit-breathe {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.96);
  }

  50% {
    opacity: 0.78;
    transform: scale(1);
  }
}

@keyframes orbit-node {
  from {
    transform: rotate(0deg) translateX(2.2rem) rotate(0deg);
  }

  to {
    transform: rotate(360deg) translateX(2.2rem) rotate(-360deg);
  }
}

@media (min-width: 900px) {
  .outer-zone {
    display: block;
  }
}

@media (max-width: 640px) {
  body {
    overflow: hidden;
  }

  .shell {
    width: calc(100dvw - 0.75rem);
  }

  .shell::before {
    top: 5.1rem;
  }

  .shell::after {
    bottom: 2.7rem;
  }

  .top-actions {
    height: 3.75rem;
  }

  .icon-button {
    width: 2.4rem;
    height: 2.4rem;
  }

  .kicker {
    top: 4.8rem;
    width: calc(100% - 7rem);
    transform: translateX(-58%);
    text-align: left;
  }

  .signature-meta {
    bottom: 3.9rem;
    display: grid;
    gap: 0.35rem;
    justify-content: center;
  }

  .signature-meta span:nth-child(2) {
    display: none;
  }

  .lateral-field {
    width: clamp(6.2rem, 34vw, 8rem);
    font-size: 0.5rem;
    opacity: 0.42;
  }

  .lateral-field-left {
    top: 9.2rem;
    left: 1rem;
  }

  .lateral-field-right {
    right: 1rem;
    bottom: 8rem;
  }

  .field-line {
    display: none;
  }

  .field-meter {
    height: 1.45rem;
  }

  .field-orbit {
    width: 2.6rem;
  }

  .wordmark {
    font-size: clamp(4.8rem, 23vw, 6.8rem);
  }

  .sentence-lockup {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .signal-rule {
    width: min(13rem, 58vw);
    margin-inline: auto;
  }

  .flip-sentences {
    min-width: min(20rem, 86vw);
    font-size: clamp(0.72rem, 3.25vw, 0.85rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .signature-field {
    display: none;
  }
}