/* ────────────────────────────────────────────────────────────
   codewm2-paper-public · landing page
   terminal-brutalist editorial · IBM Plex family
   ──────────────────────────────────────────────────────────── */

:root {
  --bg:         #0c0d10;
  --bg-raise:   #14161b;
  --bg-card:    #16181d;
  --ink:        #ece9df;
  --ink-soft:   #b5b1a4;
  --ink-faint:  #72706a;
  --rule:       #24272e;
  --rule-soft:  #1b1d23;

  --accent:     #5cd4b0;  /* teal — distinct from paper-1 mint */
  --accent-dim: #1a3f35;
  --flame:      #ff7a59;  /* reserved, rare use */

  --mono:  'IBM Plex Mono', ui-monospace, 'JetBrains Mono', Menlo, Consolas, monospace;
  --serif: 'IBM Plex Serif', 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sans:  'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;

  --col-max: 1040px;
  --col-prose: 66ch;
  --gutter:  1.6rem;

  --border-w: 1px;
}

/* ───────── reset ───────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  padding-bottom: 5rem;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 120ms linear, color 120ms linear; }
a:hover { border-bottom-color: currentColor; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
p { margin: 0 0 1em; }
ol, ul { margin: 0; padding: 0; list-style: none; }

/* ───────── grain overlay ───────── */
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  opacity: .06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='7'/><feColorMatrix type='matrix' values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ───────── top bar (fake terminal) ───────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .65rem 1.25rem;
  border-bottom: var(--border-w) solid var(--rule);
  background: var(--bg-raise);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: .01em;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.topbar__dots { display: inline-flex; gap: 6px; }
.topbar__dots i {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--rule);
  display: inline-block;
}
.topbar__dots i:nth-child(1) { background: #3a3d44; }
.topbar__dots i:nth-child(2) { background: #3a3d44; }
.topbar__dots i:nth-child(3) { background: var(--accent-dim); }
.topbar__path { color: var(--ink-soft); }
.topbar__prompt { margin-left: auto; }
.topbar__prompt em { color: var(--accent); font-style: normal; }
@media (max-width: 640px) {
  .topbar__prompt { display: none; }
  .topbar__path { margin-left: auto; }
}

/* ───────── shell ───────── */
.shell {
  max-width: calc(var(--col-max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}


/* ───────── hero ───────── */
.hero {
  padding: 4.2rem 0 3rem;
  position: relative;
}
.hero__meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--ink-faint);
  margin: 0 0 2.4rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
}
.hero__meta .tag {
  color: var(--bg);
  background: var(--accent);
  padding: 2px 7px 2px;
  font-weight: 500;
}
.hero__meta .sep { color: var(--rule); }

.hero__title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(1.95rem, 5.2vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 1.6rem;
  position: relative;
}
.hero__title .line { display: block; }
.hero__title .accent {
  color: var(--accent);
  font-weight: 500;
}
.hero__title .muted {
  color: var(--ink-soft);
  font-size: .5em;
  letter-spacing: 0.02em;
  margin-top: .7em;
  font-weight: 300;
}
.hero__title .caret {
  display: inline-block;
  width: .52em;
  height: 1.05em;
  background: var(--flame);
  vertical-align: -0.16em;
  margin-left: .2em;
  animation: blink 1.05s steps(2, jump-none) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__byline {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
}
.hero__byline .author { color: var(--ink); font-weight: 500; }
.hero__byline .sep { color: var(--rule); margin: 0 .4em; }

.hero__tldr {
  font-family: var(--serif);
  font-size: 1.06rem;
  line-height: 1.64;
  color: var(--ink-soft);
  max-width: 62ch;
  border-left: 2px solid var(--accent-dim);
  padding-left: 1.2rem;
  margin: 0 0 2.6rem;
}
.hero__tldr em { color: var(--accent); font-style: italic; }
.hero__tldr strong { color: var(--ink); font-weight: 500; font-family: var(--mono); font-size: .95em; }

/* ───────── action buttons ───────── */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.btn {
  display: inline-flex;
  align-items: stretch;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: .04em;
  border: 1px solid var(--rule);
  background: var(--bg-raise);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  transition: background 120ms linear, color 120ms linear, border-color 120ms linear, transform 140ms ease;
}
.btn__sigil {
  background: var(--rule-soft);
  color: var(--ink-faint);
  padding: .65rem .7rem;
  border-right: 1px solid var(--rule);
  font-weight: 500;
}
.btn__label { padding: .65rem .95rem; }
.btn:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  border-bottom-color: var(--ink);
  transform: translateY(-1px);
}
.btn:hover .btn__sigil {
  background: var(--bg);
  color: var(--accent);
  border-right-color: var(--bg);
}
.btn--primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn--primary .btn__sigil {
  background: #49b896;
  color: var(--bg);
  border-right-color: #358a6e;
}
.btn--primary:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn--primary:hover .btn__sigil {
  background: var(--bg);
  color: var(--accent);
  border-right-color: var(--bg);
}

/* ───────── content blocks ───────── */
.block {
  padding: 3rem 0;
  border-top: 1px dashed var(--rule);
  position: relative;
}
.block:first-of-type { border-top: none; }
.block__title {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--ink);
  margin-bottom: 1.3rem;
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.block__hash {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: .05em;
  padding: 2px 6px;
  border: 1px solid var(--accent-dim);
  background: rgba(92, 212, 176, 0.05);
  border-radius: 1px;
}
.block__lede {
  font-family: var(--serif);
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 60ch;
  margin-bottom: 1.6rem;
}
.block__note {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--rule);
}
.block__note a { color: var(--ink-soft); }

/* ───────── video ───────── */
.video__frame {
  margin: 0;
  border: 1px solid var(--rule);
  background: #000;
  position: relative;
}
.video__frame::before {
  content: "◉ rec";
  position: absolute;
  top: .55rem;
  left: .75rem;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--flame);
  z-index: 2;
  text-transform: uppercase;
  opacity: .85;
  pointer-events: none;
}
.video__frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #000;
}
.video__caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .75rem 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: lowercase;
  letter-spacing: .04em;
  background: var(--bg-raise);
}
.video__caption a { color: var(--accent); }

/* ───────── paper-1 callout card ───────── */
.paper1 {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 140ms linear, background 140ms linear;
}
.paper1:hover {
  border-color: var(--accent-dim);
  background: var(--bg-raise);
  border-bottom-color: var(--accent-dim);
}
.paper1__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 3px 6px;
  flex-shrink: 0;
  text-transform: uppercase;
}
.paper1__body { display: flex; flex-direction: column; flex: 1; gap: 2px; }
.paper1__body strong {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--ink);
  letter-spacing: .01em;
}
.paper1__body span {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-soft);
}
.paper1__arrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 18px;
  transition: transform 160ms ease;
}
.paper1:hover .paper1__arrow { transform: translate(2px, -2px); }

/* ───────── abstract (prose) ───────── */
.prose p {
  font-family: var(--serif);
  font-size: 1.03rem;
  line-height: 1.72;
  color: var(--ink-soft);
  margin-bottom: 1.15em;
  max-width: 66ch;
  hyphens: auto;
}
.prose p:last-child { margin-bottom: 0; }
.prose em { color: var(--ink); font-style: italic; }

/* ───────── contributions list ───────── */
.contribs { display: grid; gap: 1.1rem; }
.contribs li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1rem;
  padding: 1rem 1.1rem 1rem .9rem;
  background: var(--bg-card);
  border: 1px solid var(--rule-soft);
  border-left: 2px solid var(--accent);
  transition: border-color 140ms linear, background 140ms linear, transform 140ms ease;
}
.contribs li:hover {
  border-color: var(--rule);
  border-left-color: var(--accent);
  background: var(--bg-raise);
  transform: translateX(2px);
}
.contribs__num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .1em;
  padding-top: .3em;
}
.contribs h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: .3rem;
}
.contribs p {
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--ink-soft);
  margin: 0;
}
.contribs em { color: var(--ink); }

/* ───────── results tables ───────── */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.2rem;
  -webkit-overflow-scrolling: touch;
}
.results-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
}
.results-table thead th {
  background: var(--bg-raise);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
  padding: .6rem .7rem;
  border-bottom: 2px solid var(--accent-dim);
  text-align: left;
  white-space: nowrap;
}
.results-table tbody td {
  padding: .55rem .7rem;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink-soft);
  white-space: nowrap;
}
.results-table tbody tr:last-child td { border-bottom: none; }
.results-table tbody tr:hover { background: var(--bg-raise); }
.results-table .highlight {
  background: rgba(92, 212, 176, 0.06);
}
.results-table .highlight td { color: var(--ink); font-weight: 500; }
.results-table .best { color: var(--accent); font-weight: 600; }
.table-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  margin-top: .6rem;
  padding-left: .2rem;
  letter-spacing: .01em;
  line-height: 1.55;
}

/* ───────── recipe / config code block ───────── */
.recipe pre {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--accent);
  padding: 1rem 1.2rem;
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}
.recipe pre code { color: inherit; font-family: inherit; }
.recipe__note {
  font-family: var(--serif);
  font-size: .94rem;
  color: var(--ink-soft);
  margin-top: 1rem;
  max-width: 60ch;
}

/* ───────── caveat / status callout ───────── */
.caveat {
  border-left: 2px solid var(--flame);
  padding: .8rem 1.2rem;
  background: rgba(255, 122, 89, 0.04);
  margin-top: 1.4rem;
}
.caveat p {
  font-family: var(--serif);
  font-size: .94rem;
  color: var(--ink-soft);
  margin: 0;
}
.caveat strong { color: var(--flame); font-weight: 500; }

/* ───────── code repos ───────── */
.repos {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-bottom: 1.8rem;
}
@media (min-width: 700px) {
  .repos { grid-template-columns: 1fr 1fr; }
  .repos li:first-child { grid-column: 1 / -1; }
}
.repo {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--rule-soft);
  padding: 1.2rem 1.2rem 1.1rem;
  color: var(--ink);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background 140ms linear, border-color 140ms linear, transform 160ms ease;
}
.repo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, transparent 70%, rgba(92,212,176,.05) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 160ms linear;
}
.repo:hover {
  background: var(--bg-raise);
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  border-bottom-color: var(--accent-dim);
}
.repo:hover::before { opacity: 1; }
.repo__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: .55rem;
}
.repo h3 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: .35rem;
}
.repo p {
  font-family: var(--serif);
  font-size: .94rem;
  color: var(--ink-soft);
  margin: 0 0 .9rem;
}
.repo__link {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .02em;
}
.repo:hover .repo__link { color: var(--accent); }

/* ───────── W&B card ───────── */
.wandb {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--rule);
  background: var(--bg-card);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 140ms linear, background 140ms linear;
}
.wandb:hover {
  border-color: var(--accent-dim);
  background: var(--bg-raise);
  border-bottom-color: var(--accent-dim);
}
.wandb__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--flame);
  border: 1px solid var(--flame);
  padding: 3px 6px;
  flex-shrink: 0;
  text-transform: uppercase;
}
.wandb__body { display: flex; flex-direction: column; flex: 1; gap: 2px; }
.wandb__body strong {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--ink);
  letter-spacing: .01em;
}
.wandb__body span {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink-soft);
}
.wandb__arrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 18px;
  transition: transform 160ms ease;
}
.wandb:hover .wandb__arrow { transform: translate(2px, -2px); }

/* ───────── bibtex ───────── */
.cite pre {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--accent);
  padding: 1rem 1.2rem;
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}
.cite pre code { color: inherit; font-family: inherit; }

/* ───────── interactive demo ───────── */
.demo__presets {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .5rem;
  margin-bottom: 1.6rem;
}
@media (max-width: 700px) {
  .demo__presets { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .demo__presets { grid-template-columns: 1fr; }
}
.demo__preset {
  background: var(--bg-card);
  border: 1px solid var(--rule-soft);
  padding: .7rem .8rem;
  cursor: pointer;
  text-align: left;
  font-family: var(--mono);
  transition: border-color 140ms linear, background 140ms linear;
}
.demo__preset:hover {
  border-color: var(--accent-dim);
  background: var(--bg-raise);
}
.demo__preset--active {
  border-color: var(--accent);
  border-left: 2px solid var(--accent);
}
.demo__preset-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: .2rem;
}
.demo__preset-desc {
  display: block;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: .02em;
}

.demo__panel {
  background: var(--bg-card);
  border: 1px solid var(--rule-soft);
  margin-bottom: .85rem;
  overflow: hidden;
}
.demo__panel-header {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .8rem;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .04em;
  text-transform: lowercase;
  background: var(--bg-raise);
}
.demo__panel-tag {
  color: var(--accent);
  font-weight: 500;
  letter-spacing: .1em;
}

.demo__code-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
@media (max-width: 640px) {
  .demo__code-pair { grid-template-columns: 1fr; }
}
.demo__code-col {
  display: flex;
  flex-direction: column;
}
.demo__code-col:first-child {
  border-right: 1px solid var(--rule-soft);
}
@media (max-width: 640px) {
  .demo__code-col:first-child {
    border-right: none;
    border-bottom: 1px solid var(--rule-soft);
  }
}
.demo__code-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .8rem;
  border-bottom: 1px solid var(--rule-soft);
  background: var(--bg);
}
.demo__code {
  width: 100%;
  min-height: 160px;
  padding: .6rem .8rem;
  background: var(--bg);
  color: var(--ink-soft);
  border: none;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  resize: vertical;
  outline: none;
}
.demo__code:focus {
  background: var(--bg-raise);
  color: var(--ink);
}

/* embedding heatmap */
.demo__heatrow {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .3rem .8rem;
}
.demo__heatlabel {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: .06em;
  width: 3.5rem;
  flex-shrink: 0;
  text-align: right;
}
.demo__heatcells {
  display: flex;
  gap: 1px;
  flex: 1;
  min-width: 0;
}
.demo__heatcell {
  flex: 1;
  height: 14px;
  min-width: 0;
  border-radius: 1px;
}

/* action row */
.demo__action-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .8rem;
}
.demo__action-presets {
  display: flex;
  gap: .35rem;
  flex: 1;
}
.demo__action-btn {
  background: var(--bg);
  border: 1px solid var(--rule-soft);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 11px;
  padding: .35rem .7rem;
  cursor: pointer;
  transition: all 120ms;
}
.demo__action-btn:hover { border-color: var(--accent-dim); color: var(--ink-soft); }
.demo__action-btn--active {
  border-color: var(--flame);
  color: var(--flame);
  background: rgba(255, 122, 89, 0.06);
}
.demo__predict-btn {
  background: var(--flame) !important;
  color: var(--bg) !important;
  font-size: 12px !important;
  padding: .45rem 1rem !important;
  white-space: nowrap;
}
.demo__predict-btn:hover { background: #ff9476 !important; }

/* cosine gauge */
.demo__gauge-wrap {
  padding: .4rem .8rem .6rem;
}
.demo__gauge-bar {
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
}
.demo__gauge-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 300ms ease;
}
.demo__gauge-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-faint);
  padding-top: .2rem;
}
.demo__gauge-readout {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .6rem .8rem .2rem;
}
.demo__cos-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -.02em;
}
.demo__cos-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .04em;
}

/* embedding heatmap */
.demo__heatrow {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .3rem .8rem;
}
.demo__heatlabel {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: .06em;
  width: 4.5rem;
  flex-shrink: 0;
  text-align: right;
}
.demo__heatcells {
  display: flex;
  gap: 1px;
  flex: 1;
  min-width: 0;
}
.demo__heatcell {
  flex: 1;
  height: 14px;
  min-width: 0;
  border-radius: 1px;
}

/* status bar */
.demo__status {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  padding: .6rem .8rem;
  background: var(--bg-raise);
  border: 1px solid var(--rule-soft);
  letter-spacing: .02em;
}

/* ───────── footer ───────── */
.foot {
  margin-top: 3rem;
  padding: 2rem 0 0;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: lowercase;
  letter-spacing: .06em;
}
.foot p { margin: 0 0 .3rem; }
.foot a { color: var(--ink-soft); }
.foot a:hover { color: var(--accent); }
.foot__meta { color: var(--rule); }

/* ───────── entry animation ───────── */
@media (prefers-reduced-motion: no-preference) {
  .hero__meta { animation: fadeUp .7s .05s both ease-out; }
  .hero__title .line:nth-child(1) { animation: fadeUp .75s .18s both ease-out; }
  .hero__title .line:nth-child(2) { animation: fadeUp .75s .32s both ease-out; }
  .hero__title .line:nth-child(3) { animation: fadeUp .75s .46s both ease-out; }
  .hero__byline { animation: fadeUp .7s .58s both ease-out; }
  .hero__tldr { animation: fadeUp .75s .7s both ease-out; }
  .actions   { animation: fadeUp .75s .82s both ease-out; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ───────── selection ───────── */
::selection { background: var(--accent); color: var(--bg); }