:root {
  --bg: #0a0a0a;
  --panel: #0e0e0e;
  --text: #ededed;
  --muted: #b37a2b;
  --dim: #6f8d57;
  --line: #202020;
  --line-2: #303030;
  --glow: rgba(237, 237, 237, 0.14);
  --green: #9dcc7c;
  --grid-x: rgba(255, 255, 255, 0.025);
  --grid-y: rgba(255, 255, 255, 0.018);
  --scanline: rgba(255, 255, 255, 0.018);
  --edge: clamp(24px, 5vw, 72px);
  --max: 1180px;
  --mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}

:root.light-theme,
:root[data-theme="light"] {
  --bg: #f4f1e9;
  --panel: #ebe6dc;
  --text: #11110f;
  --muted: #7a4f16;
  --dim: #356c3a;
  --line: #ddd5c8;
  --line-2: #cfc5b6;
  --glow: rgba(17, 17, 15, 0.08);
  --green: #265d31;
  --grid-x: rgba(17, 17, 15, 0.055);
  --grid-y: rgba(17, 17, 15, 0.04);
  --scanline: rgba(17, 17, 15, 0.026);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.45;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, var(--grid-x) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-y) 1px, transparent 1px);
  background-size: 82px 82px;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(
    180deg,
    var(--scanline) 0,
    var(--scanline) 1px,
    transparent 1px,
    transparent 4px
  );
  opacity: 0.55;
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

::selection {
  background: rgba(255, 255, 255, 0.16);
}

.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  z-index: 50;
  top: 14px;
  left: 14px;
  padding: 8px 10px;
  border: 1px solid var(--line-2);
  background: var(--bg);
  color: var(--text);
}

.top-chrome {
  position: absolute;
  z-index: 20;
  top: var(--edge);
  left: var(--edge);
  right: var(--edge);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.session-bar {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--dim);
  font-size: 0.65rem;
}

.window-controls {
  display: flex;
  gap: 10px;
}

.window-controls span {
  width: 13px;
  height: 13px;
  border: 1px solid #777;
  opacity: 0.82;
}

.session-label {
  color: var(--dim);
}

.session-label:hover,
.session-label:focus-visible {
  color: var(--muted);
  outline: none;
}

.theme-toggle {
  display: block;
  width: 58px;
  height: 30px;
  padding: 3px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 88%, var(--text) 12%);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease;
}

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

.theme-toggle:hover,
.theme-checkbox:focus-visible + .theme-toggle {
  border-color: var(--muted);
  outline: none;
}

.theme-checkbox:focus-visible + .theme-toggle {
  outline: 1px solid var(--text);
  outline-offset: 4px;
}

.toggle-track {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.toggle-thumb {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: none;
  transition: transform 180ms ease, background 180ms ease;
}

.theme-checkbox:not(:checked) + .theme-toggle .toggle-thumb {
  transform: translateX(-24px);
}

.brand-mark {
  position: relative;
  right: auto;
  bottom: auto;
  align-self: end;
  display: grid;
  width: clamp(118px, 14vw, 176px);
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line-2) 72%, transparent);
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  background:
    repeating-radial-gradient(circle at 28% 18%, rgba(0, 0, 0, 0.28) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0 1px, transparent 1px 4px);
  mix-blend-mode: overlay;
  opacity: 0.42;
  pointer-events: none;
}

.brand-mark img {
  width: 108%;
  height: 108%;
  object-fit: cover;
  object-position: 44% 3%;
  filter: contrast(1.12) brightness(0.96) saturate(1.08);
  opacity: 1;
  transform: scale(1.02);
  transition: filter 160ms ease, opacity 160ms ease;
  image-rendering: auto;
}

.brand-mark:hover img,
.brand-mark:focus-visible img {
  filter: contrast(1.18) brightness(1) saturate(1.12);
  opacity: 1;
}

.brand-mark:focus-visible {
  outline: 1px solid var(--text);
  outline-offset: 5px;
}

main {
  width: 100%;
  margin: 0;
}

.terminal-hero {
  position: relative;
  display: grid;
  min-height: clamp(310px, 42vh, 470px);
  padding: clamp(128px, 16vh, 178px) var(--edge) 0;
  overflow: hidden;
}

.whoami-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(28px, 6vw, 88px);
  align-items: end;
}

.terminal-copy {
  position: relative;
  z-index: 2;
  max-width: none;
  padding-right: 0;
}

.prompt {
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
  text-shadow: 0 0 18px var(--glow);
}

h1 {
  color: var(--text);
  font-size: clamp(0.9rem, 1.7vw, 1.1rem);
  font-weight: 400;
  line-height: 1.7;
  text-transform: lowercase;
  text-shadow: 0 0 16px var(--glow);
}

h1 span {
  margin-right: 4px;
}

h2 {
  margin-bottom: 22px;
  color: var(--text);
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  font-weight: 400;
}

h2::before {
  content: "> ";
  color: var(--muted);
}

h3 {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 400;
}

.sequence-pending {
  display: none;
}

.response-pending {
  visibility: hidden;
}

.typing-active,
.typing-complete,
.response-visible {
  visibility: visible;
}

.response-visible {
  animation: response-in 180ms ease-out both;
}

.cursor {
  display: inline-block;
  width: 0.62ch;
  height: 1em;
  margin-left: 2px;
  background: currentColor;
  vertical-align: -0.14em;
  animation: cursor-blink 850ms steps(1, end) infinite;
}

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

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

@keyframes response-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

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

.terminal-section {
  width: auto;
  margin: 0 var(--edge);
  padding: clamp(24px, 4vw, 46px) 0;
  border-top: 0;
}

.terminal-hero::after {
  content: none;
}

.section-note {
  max-width: 820px;
  margin: -8px 0 22px;
  color: var(--muted);
}

.terminal-nav {
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(14px, 3vw, 28px);
  max-width: none;
  overflow-x: auto;
  padding-bottom: 4px;
  white-space: nowrap;
  scrollbar-width: none;
}

.terminal-nav::-webkit-scrollbar {
  display: none;
}

.terminal-nav a,
.terminal-actions a,
.terminal-footer a {
  color: var(--muted);
  width: fit-content;
}

.terminal-nav a::before,
.terminal-actions a::before,
.terminal-footer a::before {
  content: "./";
  color: var(--dim);
}

.terminal-nav a:hover,
.terminal-nav a:focus-visible,
.terminal-actions a:hover,
.terminal-actions a:focus-visible,
.terminal-footer a:hover,
.terminal-footer a:focus-visible {
  color: var(--text);
  outline: none;
}

.terminal-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.terminal-list article,
.terminal-list li,
.timeline-feed article,
.system-grid article,
.metrics-line article {
  position: relative;
  padding-left: 22px;
}

.terminal-list article::before,
.terminal-list li::before,
.timeline-feed article::before,
.system-grid article::before,
.metrics-line article::before {
  content: "-";
  position: absolute;
  left: 0;
  color: var(--dim);
}

.terminal-list p,
.timeline-feed p,
.system-grid p {
  max-width: 760px;
  margin-top: 6px;
  color: var(--muted);
}

.timeline-feed {
  display: grid;
  gap: 18px;
}

.timeline-feed article > span {
  display: block;
  margin-bottom: 4px;
  color: var(--dim);
  font-size: 0.78rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag-row span {
  color: var(--dim);
  font-size: 0.74rem;
}

.tag-row span::before {
  content: "[";
}

.tag-row span::after {
  content: "]";
}

.accordion-stack {
  display: grid;
  gap: 8px;
}

.accordion-item {
  border: 1px solid transparent;
}

.accordion-trigger {
  width: 100%;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.accordion-trigger::before {
  content: "? ";
  color: var(--dim);
}

.accordion-trigger::after {
  content: " +";
  color: var(--dim);
}

.accordion-trigger[aria-expanded="true"] {
  color: var(--text);
}

.accordion-trigger[aria-expanded="true"]::after {
  content: " -";
}

.accordion-trigger:hover,
.accordion-trigger:focus-visible {
  color: var(--text);
  outline: none;
}

.accordion-panel {
  display: grid;
  gap: 6px;
  padding: 4px 0 20px 24px;
  color: var(--muted);
}

.accordion-panel[hidden] {
  display: none;
}

.accordion-panel strong {
  color: var(--text);
  font-weight: 400;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px;
}

.system-grid article > span {
  display: block;
  margin-bottom: 5px;
  color: var(--dim);
  font-size: 0.74rem;
}

.metrics-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.metrics-line strong {
  display: block;
  color: var(--text);
  font-size: 1.12rem;
  font-weight: 400;
}

.metrics-line span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
}

.work-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.75fr);
  gap: 48px;
}

.loop-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: loop;
}

.loop-list li {
  counter-increment: loop;
  color: var(--muted);
}

.loop-list li::before {
  content: counter(loop, decimal-leading-zero) " ";
  color: var(--dim);
}

.terminal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.terminal-footer {
  width: auto;
  margin: 0 var(--edge);
  padding: 22px 0 40px;
  border-top: 0;
  color: var(--dim);
}

.terminal-footer p {
  margin-bottom: 14px;
}

.terminal-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 760px) {
  body {
    font-size: 13px;
  }

  .session-bar {
    gap: 24px;
  }

  .terminal-hero {
    padding-top: 132px;
  }

  .system-grid,
  .metrics-line,
  .work-columns {
    grid-template-columns: 1fr;
  }

  .metrics-line {
    gap: 24px;
  }
}

@media (max-width: 480px) {
  :root {
    --edge: 22px;
  }

  .top-chrome {
    left: var(--edge);
    right: var(--edge);
    align-items: flex-start;
  }

  .session-bar {
    gap: 18px;
  }

  .window-controls span {
    width: 11px;
    height: 11px;
  }

  .terminal-hero {
    padding-inline: var(--edge);
  }

  h1 {
    max-width: 100%;
  }

  .brand-mark {
    width: clamp(94px, 26vw, 118px);
  }

  .whoami-block {
    gap: 18px;
  }
}

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