:root {
  --ink: #24160f;
  --ink-soft: #5e493c;
  --cream: #f8f4e9;
  --cream-2: #fffcf5;
  --flame: #d9471b;
  --flame-deep: #c43c12;
  --caramel: #e3a15a;
  --cake: #4e2a16;
  --cake-deep: #1c100c;
  --line: rgba(78, 42, 22, 0.14);
  --board: #140e0b;
  --board-ink: #f6f0df;
  --board-dim: #cbbba8;
  --board-line: rgba(246, 240, 223, 0.14);
  --win: #b7f0cc;
  --loss: #ffc2b0;
  --close: #f3d7a1;
  --sans: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  --shadow: 0 24px 60px rgba(36, 22, 15, 0.12);
  --max: 1200px;
  --header-offset: 5rem;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(232, 80, 32, 0.08), transparent 60%),
    var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--flame-deep); text-underline-offset: 0.16em; }
a:hover { color: var(--flame); }
code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(78, 42, 22, 0.06);
  padding: 0.08em 0.35em;
  border-radius: 0.3em;
}
:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: 3px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--cake-deep);
  color: var(--cream);
  padding: 0.6rem 0.9rem;
  z-index: 10;
}
.skip:focus { top: 0.6rem; color: var(--cream); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem max(1.25rem, calc((100vw - var(--max)) / 2 + 1.25rem));
  background: rgba(248, 244, 233, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-weight: 680;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.brand img { width: 42px; height: auto; }
.nav {
  display: flex;
  gap: 1.1rem;
  margin-left: auto;
}
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.nav a:hover { color: var(--ink); }
.github {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--cake-deep);
  color: var(--cream);
  text-decoration: none;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.92rem;
}
.github svg { width: 16px; height: 16px; }
.github { transition: background 0.2s ease, color 0.2s ease; }
.github:hover { background: var(--flame-deep); color: white; }

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.25rem 3.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 4rem;
  align-items: center;
}
.hero > * { min-width: 0; }
main section[id] {
  scroll-margin-top: var(--header-offset);
}
.kicker {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--flame-deep);
}
.kicker.light { color: var(--caramel); }
h1, h2, h3 { font-family: var(--serif); font-weight: 560; letter-spacing: -0.03em; line-height: 1.05; }
h1 { font-size: clamp(3.5rem, 6.4vw, 5.6rem); margin: 1.15rem 0 1.5rem; line-height: 0.99; letter-spacing: -0.055em; }
h1 em { color: var(--flame-deep); font-weight: inherit; }
h2 { font-size: clamp(2rem, 3.4vw, 3rem); margin: 0 0 0.8rem; }
h3 { font-size: 1.25rem; margin: 0 0 0.35rem; }
.dek { font-size: 1.15rem; color: var(--ink-soft); margin: 0 0 1.25rem; max-width: 31rem; }
.hero-mark { margin: 0; border: 1px solid #d9cdb9; border-radius: 18px; background: #efe7d6; overflow: hidden; box-shadow: 0 16px 40px #4e2a1609; }
.kernel-caption { display: flex; align-items: center; gap: 0.65rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); font: 0.65rem var(--mono); letter-spacing: 0.1em; }
.status-dot { width: 7px; height: 7px; background: var(--flame); border-radius: 50%; box-shadow: 0 0 0 4px #d9471b12; flex-shrink: 0; }
.mark-stage { position: relative; min-height: 340px; display: grid; place-items: center; background-image: linear-gradient(#4e2a1609 1px, transparent 1px), linear-gradient(90deg, #4e2a1609 1px, transparent 1px); background-size: 28px 28px; }
.hero-mark img { width: 260px; margin: 2.5rem; filter: drop-shadow(0 18px 18px #4e2a1622); }
.stage-label, .stage-coordinate { position: absolute; font: 0.6rem var(--mono); letter-spacing: 0.1em; color: var(--ink-soft); }
.stage-label { top: 1rem; left: 1.2rem; }
.stage-coordinate { bottom: 1rem; right: 1.2rem; }
.hero-mark figcaption { padding: 1.1rem; text-align: center; border-top: 1px solid var(--line); background: var(--cream-2); }
.hero-mark figcaption span { display: block; font: 0.64rem var(--mono); color: var(--ink-soft); }
.hero-mark figcaption b { padding: 0 0.3rem; color: var(--flame-deep); }
.hero-mark figcaption strong { display: block; margin-top: 0.45rem; font-size: 1rem; font-weight: 500; }
.hero-footnote { font: 0.65rem/1.6 var(--mono); color: var(--ink-soft); margin: 0.8rem 0 0; }

.codeblock {
  background: var(--cake-deep);
  color: var(--cream);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1.8rem;
  max-width: 31rem;
}
.codeblock-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.8rem;
  color: var(--board-dim);
  font-family: var(--mono);
  font-size: 0.75rem;
  border-bottom: 1px solid var(--board-line);
}
.codeblock button {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--board-line);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font: inherit;
  cursor: pointer;
}
.codeblock button:hover { border-color: var(--caramel); color: var(--caramel); }
.codeblock pre { margin: 0; padding: 0.95rem 1rem 1.1rem; overflow-x: auto; }
.codeblock code {
  background: none;
  color: #ffe7c2;
  padding: 0;
  font-size: 0.92rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.4rem; }
.hero-actions .button { gap: 0.9rem; font-size: 0.95rem; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 1rem;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 560;
}
.button { transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease; }
.button.primary { background: var(--flame); color: white; }
.button.primary:hover { background: var(--flame-deep); color: white; }
.button.ghost { border: 1px solid var(--line); color: var(--ink); }
.button.ghost:hover { border-color: var(--cake); color: var(--ink); }

.stats {
  max-width: var(--max);
  margin: 0 auto 2rem;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stats article {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 1.4rem;
}
.stats article + article { border-left: 1px solid var(--line); }
.stat span { font: 0.7rem var(--mono); letter-spacing: 0; color: var(--ink-soft); }
.stat {
  font-family: var(--serif);
  font-size: 3rem;
  margin: 0;
  color: var(--flame-deep);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stats p:last-child { margin: 0.45rem 0 0; color: var(--ink-soft); font-size: 0.92rem; }

.board-wrap { padding: 1.6rem 1.25rem 2.4rem; }
.board {
  max-width: var(--max);
  margin: 0 auto;
  background:
    radial-gradient(700px 240px at 100% 0%, rgba(232, 80, 32, 0.18), transparent 55%),
    var(--board);
  color: var(--board-ink);
  border-radius: 16px;
  padding: 2.5rem 2rem 1.1rem;
  box-shadow: var(--shadow);
}
.board-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.board h2 { color: var(--cream); }
.board-intro { margin: 0; max-width: 44rem; font-size: 0.95rem; color: var(--board-dim); }
.stamp {
  margin: 0.35rem 0 0;
  flex: none;
  border: 1px solid var(--board-line);
  color: var(--board-dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  align-items: center;
  margin: 1.2rem 0 0.8rem;
}
.segment {
  position: relative;
  display: inline-flex;
  background: rgba(246, 240, 223, 0.06);
  border: 1px solid var(--board-line);
  border-radius: 999px;
  padding: 0.2rem;
  isolation: isolate;
}
.segment-thumb {
  position: absolute;
  z-index: 0;
  top: 0.2rem;
  left: 0;
  height: calc(100% - 0.4rem);
  border-radius: 999px;
  background: var(--cream);
  pointer-events: none;
  transition: none;
}
.segment-thumb.is-ready {
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.segment button, .col-sort {
  position: relative;
  z-index: 1;
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--board-dim);
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  min-height: 36px;
  transition: color 0.22s ease;
}
.segment button[aria-pressed="true"] {
  color: var(--cake-deep);
}
.measure-note {
  margin: 0;
  color: var(--board-dim);
  font-size: 0.88rem;
  transition: opacity 0.2s ease;
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  align-items: center;
  color: var(--board-dim);
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
}
.legend span { display: inline-flex; align-items: center; gap: 0.4rem; }
.legend-note { flex-basis: 100%; }
.swatch { width: 0.85rem; height: 0.45rem; border-radius: 99px; display: inline-block; }
.swatch.bake { background: var(--flame); }
.swatch.base { background: #8d7768; }

.table-scroll { overflow-x: auto; max-width: 100%; }
table { width: 100%; border-collapse: collapse; }
.board th, .board td {
  text-align: left;
  vertical-align: top;
  padding: 0.85rem 0.7rem;
  border-top: 1px solid var(--board-line);
}
.board thead th {
  border-top: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--board-dim);
  font-weight: 500;
}
.board thead button {
  appearance: none;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 0;
}
.board thead button:hover { color: var(--cream); }
.board thead th[aria-sort="descending"] button::after { content: " ↓"; color: var(--caramel); }
.board thead th[aria-sort="ascending"] button::after { content: " ↑"; color: var(--caramel); }
.col-rank { width: 3rem; }
.rank {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--caramel);
  line-height: 1;
}
.rank.gold { color: #ffd27a; }
.model-name { font-weight: 560; color: var(--cream); font-size: 1.05rem; }
.model-note, .hw-detail, .speed-meta { color: var(--board-dim); font-size: 0.86rem; }
.hw-name { color: var(--cream); }
.speed-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  color: var(--cream);
}
.speed-num > span:not(.tok) { color: var(--caramel); font-size: 0.78rem; margin-left: 0.25rem; }
.chip {
  display: inline-block;
  margin-top: 0.25rem;
  border-radius: 999px;
  padding: 0.08rem 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
}
.chip.ahead { background: rgba(183, 240, 204, 0.15); color: var(--win); }
.chip.behind { background: rgba(255, 194, 176, 0.12); color: var(--loss); }
.chip.close { background: rgba(243, 215, 161, 0.12); color: var(--close); }
.bars { margin-top: 0.45rem; display: grid; gap: 0.28rem; min-width: 180px; }
.bar-row > span { display: none; }
.bar-row { display: grid; grid-template-columns: 4.6rem 1fr; gap: 0.4rem; align-items: center; }
.bar-row em { font-style: normal; font-family: var(--mono); font-size: 0.68rem; color: var(--board-dim); }
.track { height: 7px; background: rgba(246, 240, 223, 0.08); border-radius: 99px; overflow: hidden; }
.track i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
}
.board.is-live .track i {
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.track .bake { background: linear-gradient(90deg, #ffb080, var(--flame)); }
.track .base { background: #8d7768; }
.mobile-sort { display: none; }
.more {
  margin-top: 0.45rem;
  background: none;
  border: 0;
  color: var(--caramel);
  font: inherit;
  font-size: 0.82rem;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.breakdown td {
  padding-top: 0;
  padding-bottom: 0;
  border-top-color: transparent;
  background: transparent;
  color: var(--board-dim);
  font-size: 0.9rem;
  transition: background 0.28s ease, border-color 0.28s ease;
}
.breakdown.is-open td {
  padding-bottom: 0.9rem;
  border-top-color: var(--board-line);
  background: rgba(246, 240, 223, 0.04);
}
.breakdown-clip {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}
.breakdown.is-open .breakdown-clip { grid-template-rows: 1fr; }
.breakdown-clip > div { overflow: hidden; }
.breakdown-clip p { margin: 0.75rem 0 0.15rem; }
.breakdown dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
}
.breakdown dt { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.breakdown dd { margin: 0.2rem 0 0; color: var(--cream); font-variant-numeric: tabular-nums; }
.board-foot, .empty { color: var(--board-dim); font-size: 0.85rem; }
.board-foot a { color: var(--caramel); }
.board code { background: rgba(246, 240, 223, 0.08); color: var(--cream); }
.prose, .split, .download {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.25rem 1.25rem 1.25rem;
}
.prose > p { max-width: 48rem; color: var(--ink-soft); }
.prose > .kicker { color: var(--flame-deep); }
.prose h2 { max-width: 48rem; }

.download-head p { max-width: 40rem; color: var(--ink-soft); }
.kernel-list {
  list-style: none;
  margin: 1.4rem 0 0.6rem;
  padding: 0;
  border-top: 1px solid var(--line);
}
.kernel-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 0.15rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.kernel-row:hover { background: rgba(232, 80, 32, 0.04); }
.kernel-meta { min-width: 0; }
.kernel-name {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.kernel-sub { overflow-wrap: anywhere;
  margin: 0.28rem 0 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.kernel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  justify-content: flex-end;
}
.kernel-browse {
  color: var(--ink-soft);
  font-size: 0.92rem;
  text-decoration: none;
  padding: 0.35rem 0.2rem;
}
.kernel-browse:hover { color: var(--flame-deep); }
.kernel-download {
  min-height: 40px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
  border: 0;
  font: inherit;
}
.kernel-download:disabled {
  opacity: 0.72;
  cursor: wait;
}
.download-status {
  min-height: 1.4em;
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.download-foot {
  margin: 0.9rem 0 0.2rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  max-width: 42rem;
}
@media (max-width: 680px) {
  .kernel-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding: 1rem 0;
  }
  .kernel-actions { justify-content: flex-start; }
}
.costs, .steps { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: 0.8rem; }
.costs { grid-template-columns: repeat(3, 1fr); }
.costs li, .steps li {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 1.4rem;
}
.steps { counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.9rem; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  grid-row: span 2;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--flame);
  line-height: 1;
}
.steps h3, .steps p, .costs p { margin: 0; }
.costs p, .steps p { color: var(--ink-soft); margin-top: 0.25rem; }

.plain { min-width: 640px; }
.plain th, .plain td {
  text-align: left;
  vertical-align: top;
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid var(--line);
}
.plain thead th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}
.plain td:last-child, .plain th:last-child { white-space: nowrap; }
@media (max-width: 680px) {
  .plain { min-width: 0; }
  .plain thead { display: none; }
  .plain, .plain tbody, .plain tr, .plain th, .plain td { display: block; width: auto; }
  .plain tr { padding: 0.75rem 0; }
  .plain th, .plain td { border-bottom: 0; padding: 0.15rem 0; white-space: normal; }
  .plain td:last-child {
    margin-top: 0.35rem;
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--flame-deep);
  }
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 1.6rem;
}
.split div {
  background: var(--cake-deep);
  color: var(--cream);
  border-radius: 18px;
  padding: 1.2rem 1.2rem 0.6rem;
}
.split .kicker { color: var(--caramel); }
.split ul { margin: 0; padding-left: 1.1rem; }
.split li { margin: 0 0 0.7rem; color: var(--board-dim); }
.split li::marker { color: var(--flame); }

.why { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin: 1rem 0 0.4rem; }
.why div {
  border-top: 2px solid var(--flame);
  padding-top: 0.7rem;
}
.why dt { font-family: var(--serif); font-size: 1.3rem; }
.why dd { margin: 0.35rem 0 0; color: var(--ink-soft); }

.site-footer {
  max-width: var(--max);
  margin: 4rem auto 0;
  padding: 1.5rem 1.25rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}
.footer-copy { min-width: 0; }
.site-footer a { overflow-wrap: anywhere; }
.site-footer img { width: 64px; }
.site-footer p { margin: 0.15rem 0; }

@media (max-width: 900px) {
  :root { --header-offset: 8rem; }
  .hero, .stats, .costs, .split, .why { grid-template-columns: 1fr 1fr; }
  .hero { grid-template-columns: 1fr; }
  .hero { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 1.5rem; padding-top: 3rem; }
  .hero-mark img { width: 190px; margin: 2.5rem 0; }
  .mark-stage { min-height: 290px; }
  .hero-mark figcaption span { line-height: 1.8; }
  .stats article:nth-child(3) { border-left: 0; }
  .site-header { flex-wrap: wrap; row-gap: 0.35rem; }
  .github { margin-left: auto; }
  .nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 0.9rem;
    overflow-x: auto;
  }
  .breakdown dl { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; padding-bottom: 2rem; }
  h1 { font-size: clamp(3.4rem, 13vw, 5rem); }
  .hero-mark { margin-top: 1rem; }
  .hero-mark img { width: 200px; }
  .mark-stage { min-height: 270px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats article { padding: 1.1rem 0.8rem; }
  .stat { font-size: 2.5rem; }
  .stats p:last-child { font-size: 0.85rem; }
  .costs, .split, .why { grid-template-columns: 1fr; }
  .mobile-sort { display: flex; align-items: center; gap: 0.6rem; color: var(--board-dim); font-size: 0.85rem; width: 100%; }
  .mobile-sort select { max-width: 100%; min-width: 0; border: 1px solid var(--board-line); background: var(--cake-deep); color: var(--cream); padding: 0.65rem; border-radius: 6px; font: inherit; }
  .segment button { padding: 0.45rem 0.65rem; font-size: 0.9rem; min-height: 44px; }
  .github { margin-left: auto; }
  .nav { gap: 0.8rem; }
  .nav a { font-size: 0.86rem; }
  .board-wrap { padding-inline: 0.75rem; }
  .prose, .download { padding-top: 2.5rem; }
  .board { padding: 1.25rem 1rem; }
  .board-head { display: block; }
  .board h2 { font-size: clamp(1.85rem, 7.6vw, 2.7rem); }
  .board-intro { font-size: 0.9rem; line-height: 1.5; }
  .stamp { display: inline-block; margin: 1rem 0 0; border: 0; border-radius: 0; padding: 0; font-size: 0.65rem; letter-spacing: 0.03em; }
  .toolbar { gap: 0.6rem; margin-top: 1rem; }
  .toolbar .segment { display: flex; width: 100%; }
  .toolbar .segment button { flex: 1; padding-inline: 0.3rem; font-size: 0.86rem; }
  .mobile-sort { justify-content: space-between; }
  .mobile-sort select { flex: 1; max-width: 75%; }
  .measure-note { font-size: 0.76rem; }
  .legend { font-size: 0.75rem; gap: 0.4rem 1rem; padding-block: 0.5rem; }
  .legend-note { font-size: 0.72rem; }
  .board thead { display: none; }
  .board table, .board tbody { display: block; width: 100%; }
  .board .result {
    display: grid;
    grid-template-columns: 1.6rem minmax(0, 1fr);
    column-gap: 0.5rem;
    width: 100%;
    margin-top: 0.75rem;
    padding: 1rem 0.85rem 0.2rem;
    border: 1px solid var(--board-line);
    border-radius: 12px;
    background: #ffffff04;
  }
  .board .result td { display: block; width: auto; border: 0; padding: 0; min-width: 0; }
  .board .result td::before { display: none; }
  .board .result .col-rank-cell { padding-top: 0.1rem; }
  .rank { font: 0.85rem var(--mono); color: var(--board-dim); }
  .rank::before { content: "#"; font-size: 0.7rem; }
  .model-name { font-size: 1rem; line-height: 1.3; overflow-wrap: anywhere; }
  .model-note { font-size: 0.73rem; margin-top: 0.25rem; line-height: 1.45; }
  .board .result td[data-label="Hardware"] { display: none; }
  .board .result td[data-label="Speed"] {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    margin-top: 0.9rem;
  }
  .speed-num { font-size: 1.65rem; line-height: 1.2; }
  .speed-meta { grid-column: 1; font-size: 0.73rem; margin-top: 0.2rem; }
  .chip { grid-column: 2; grid-row: 1 / 3; margin: 0; font-size: clamp(0.85rem, 3.8vw, 1.1rem); font-weight: 500; padding: 0.4rem 0.6rem; }
  .bars { grid-column: 1 / -1; margin-top: 0.85rem; gap: 0.4rem; min-width: 0; }
  .bar-row { grid-template-columns: 4rem minmax(0, 1fr) 2.5rem; }
  .bar-row em { font-size: 0.62rem; }
  .bar-row > span { display: block; font: 0.65rem var(--mono); text-align: right; color: var(--board-dim); }
  .track { height: 5px; }
  .board .result .more { grid-column: 1 / -1; margin-top: 0.6rem; justify-content: center; width: 100%; border-top: 1px solid var(--board-line); text-decoration: none; font-size: 0.75rem; }
  .more::after { content: " +"; white-space: pre; }
  .more[aria-expanded="true"]::after { content: " −"; }
  .board .breakdown { display: block; border: 1px solid var(--board-line); border-top: 0; border-radius: 0 0 12px 12px; margin-top: -8px; padding: 0.5rem 0 0; background: #ffffff04; }
  .board .breakdown td { display: block; width: 100%; border: 0; padding: 0.85rem; background: transparent; font-size: 0.82rem; }
  .board .breakdown dl { grid-template-columns: 1fr; gap: 0.8rem; }
  .breakdown dt { font-size: 0.62rem; }

}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .segment-thumb,
  .segment-thumb.is-ready,
  .board.is-live .track i,
  .breakdown-clip,
  .measure-note,
  .segment button,
  .button,
  .github,
  .nav a,
  .kernel-row {
    transition: none;
  }
}

::selection { background: #e3a15a66; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }

.baseline-note { max-width: var(--max); padding: 0 1.25rem; margin: -0.6rem auto 0.5rem; color: var(--ink-soft); font-size: 0.8rem; }
.artifact-note { padding: 0.8rem 1rem; border-left: 2px solid var(--caramel); font-size: 0.9rem; }
.evaluation { max-width: calc(var(--max) - 2.5rem); margin: 3rem auto 0; padding: 2.25rem; border: 1px solid var(--line); border-radius: 14px; background: var(--cream-2); display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 3rem; }
.evaluation-heading > p:not(.kicker), .evaluation-details p { color: var(--ink-soft); font-size: 0.96rem; }
.evaluation a { font-size: 0.85rem; display: inline-block; margin-right: 0.8rem; }
.evaluation-details article + article { border-top: 1px solid var(--line); padding-top: 1.2rem; margin-top: 1.2rem; }
.evaluation-details p { margin: 0.6rem 0; }
@media (max-width: 680px) {
  .evaluation { grid-template-columns: 1fr; padding: 1.25rem; margin-inline: 1.25rem; gap: 1.5rem; }
}

.nav a { display: inline-flex; align-items: center; min-height: 44px; }
.more { display: inline-flex; align-items: center; min-height: 44px; }
.kernel-browse { display: inline-flex; align-items: center; min-height: 44px; }
.kernel-download { min-height: 44px; }

/* Desktop emphasizes the speedup; phone cards retain their existing hierarchy. */
.desktop-comparison { display: none; }
@media (min-width: 681px) {
  .desktop-comparison { display: inline; }
  .mobile-comparison { display: none; }
  .board .speed-num { font-size: 0.95rem; }
  .board .speed-num > span:not(.tok) { font-size: 0.65rem; }
  .board .speed-meta { font-size: 0.75rem; }
  .board .chip { font-size: 1.15rem; padding: 0.25rem 0.65rem; margin-block: 0.5rem 0.25rem; }
}

.breakdown a { color: var(--caramel); }

.model-name { display: inline-block; text-decoration: none; }
a.model-name:hover { color: var(--caramel); text-decoration: underline; }