/* jubarte.pro — design system (from the Claude Design project "Jubarte").
   Graphite, 1px hairlines, mono eyebrows, rounded controls, max contrast. */

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/static/fonts/manrope-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/static/fonts/manrope-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/static/fonts/source-serif-4-latin-opsz-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/static/fonts/source-serif-4-latin-ext-opsz-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  /* Graphite (light) and Night (dark), from the design's palette tweaks, in
     OKLCH. The page follows the browser's preference until the footer switch
     pins one (html[data-theme], restored before paint by the inline script in
     layout.ts). light-dark() resolves per element, so a subtree that sets
     color-scheme: light (a document page) keeps the light values. */
  color-scheme: light dark;
  --bg: light-dark(oklch(97% 0.003 106.4), oklch(20% 0.023 249));
  --ink: light-dark(oklch(18.2% 0 0), oklch(96.2% 0.008 241.7));
  /* Max text contrast: secondary text is ink too. The Graphite muted,
     oklch(41.2% 0.005 106.6), and Night's, oklch(77.2% 0.027 244.5), go here
     if that tweak is ever turned off. */
  --muted: var(--ink);
  --primary: light-dark(oklch(21.8% 0 0), oklch(79.1% 0.094 237.6));
  --primary-dark: light-dark(oklch(0% 0 0), oklch(86.2% 0.065 236));
  --deep: light-dark(oklch(20.5% 0 0), oklch(94.5% 0.013 244.3));
  --on-deep: light-dark(oklch(100% 0 0), oklch(22.7% 0.038 244.5));
  --on-deep-muted: light-dark(oklch(100% 0 0 / 0.65), oklch(22.7% 0.038 244.5 / 0.65));
  --line: light-dark(oklch(87.5% 0.005 106.5), oklch(33.4% 0.039 250.5));
  --line-strong: light-dark(oklch(73.3% 0.007 106.6), oklch(43.6% 0.043 246.4));
  --surface: light-dark(oklch(94.2% 0.004 106.5), oklch(23.9% 0.026 249));
  --surface2: light-dark(oklch(91.2% 0.005 106.5), oklch(17.5% 0.02 252.3));
  --hover: light-dark(oklch(92.4% 0.005 106.5), oklch(27.1% 0.029 246.9));
  --hl: light-dark(oklch(91.6% 0.128 94.1), oklch(40.5% 0.075 243));
  --hl-soft: light-dark(oklch(96.2% 0.062 95.4), oklch(28.4% 0.046 245.3));
  /* Primary button: brand color, so the call to action is the primary. */
  --cta: var(--primary);
  --on-cta: light-dark(oklch(100% 0 0), oklch(22.7% 0.038 244.5));
  --disabled: light-dark(oklch(48.5% 0.005 106.6), oklch(67.8% 0.028 244.6));
  --ins: light-dark(oklch(45.3% 0.209 262), oklch(83.2% 0.087 249.4));
  --ins-bg: light-dark(oklch(92.8% 0.034 267.6), oklch(30.6% 0.071 253.5));
  --del: light-dark(oklch(52.7% 0.199 27.5), oklch(79.4% 0.119 30));
  --del-bg: light-dark(oklch(93.6% 0.032 17.7), oklch(29.3% 0.073 28.4));
  --mov: light-dark(oklch(51% 0.13 150.7), oklch(81.9% 0.108 163.1));
  --mov-bg: light-dark(oklch(94.4% 0.031 154.2), oklch(31.8% 0.055 162.9));
  --shadow: light-dark(oklch(18.2% 0 0 / 0.4), oklch(0% 0 0 / 0.6));
  /* A document page is paper in either mode. */
  --page: oklch(100% 0 0);
  /* Rounded buttons; pages a little less. */
  --radius: 6px;
  --radius-page: 4px;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --serif: "Source Serif 4", Georgia, serif;
  --max: 1180px;
}
:root[data-theme="light"] {
  color-scheme: light;
}
:root[data-theme="dark"] {
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  /* A focused or targeted element scrolls clear of the sticky nav (2.4.11). */
  scroll-padding-top: 72px;
  /* Short pages (404, live) keep the scrollbar's room: the nav never shifts. */
  scrollbar-gutter: stable;
  /* The parts the browser draws take the palette too. */
  scrollbar-color: var(--line-strong) var(--bg);
  accent-color: var(--primary);
  caret-color: var(--primary);
}
html,
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  color: var(--primary-dark);
}
::selection {
  background: var(--hl);
  color: var(--ink);
}
img,
svg {
  display: block;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  border-radius: 0;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
}
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
summary::-webkit-details-marker {
  display: none;
}
[hidden] {
  display: none !important;
}
.skip-link {
  position: absolute;
  left: 12px;
  top: -64px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--deep);
  color: var(--on-deep);
  font-size: 0.875rem;
  font-weight: 600;
}
.skip-link:focus {
  top: 12px;
}
main:focus {
  outline: none;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Rounded controls and panels; joined controls clip their inner buttons. */
.btn,
.chip-btn,
.seg,
.buckets,
.tag,
.pill,
.slot,
.swap-btn,
.field,
.textarea,
.side-btn,
.nav-links a.nav-pro,
.nav-menu summary,
.nav-menu-list,
.toast,
.code-block,
.cli-echo,
.phone-note,
.sim-caption,
.form-card,
.topic,
.browser-frame,
.app-window,
.theme-toggle {
  border-radius: var(--radius);
}
.seg:not(.jump-seg),
.buckets,
.browser-frame {
  overflow: hidden;
}
.keys-off .key-hint {
  display: none;
}
/* A ring outside a clipped joined control is cut off: draw it inside. */
.seg:not(.jump-seg) > button:focus-visible,
.buckets button:focus-visible {
  outline-offset: -3px;
}
.seg.jump-seg {
  border-radius: 0;
}
.seg.jump-seg > button {
  border-radius: var(--radius);
}
.check input,
.badge-soon {
  border-radius: 3px;
}
.app-bar {
  border-radius: var(--radius) var(--radius) 0 0;
}
.app-body {
  border-radius: 0 0 var(--radius) var(--radius);
}
.app-right {
  border-bottom-right-radius: var(--radius);
}

/* A document page is paper in either mode: light values, slightly rounded. */
.paper,
.sheet,
.page-img,
.pg,
.stack,
.page-thumb .thumb,
.more-thumb .pair {
  color-scheme: light;
  border-radius: var(--radius-page);
}

@keyframes jb-spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes jb-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}
@keyframes jb-float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-14px) rotate(-1.5deg);
  }
}
@keyframes jb-float-sm {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}
@keyframes jb-float-dl {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@keyframes jb-turn {
  to {
    transform: rotate(360deg);
  }
}
/* The feed's refresh mark: one turn per new case (home.js). */
.feed-refresh {
  display: inline-flex;
  align-self: center;
  color: var(--primary);
  transition: opacity 0.2s;
}
.feed-refresh svg {
  width: 16px;
  height: 16px;
}
.feed-refresh.turning svg {
  animation: jb-turn 0.9s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}
.feed-refresh.held {
  opacity: 0.35;
}
.feed-refresh[hidden] {
  display: none;
}
@keyframes jb-drift {
  0%,
  100% {
    transform: translateY(0) rotate(-6deg);
  }
  50% {
    transform: translateY(-14px) rotate(-3deg);
  }
}
/* Reduced motion, component by component: each moving thing gets a still
   form that keeps its meaning. Colour and opacity fades stay; they don't move. */
@media (prefers-reduced-motion: reduce) {
  /* Decorative drift and float stop where they stand. */
  .watermark,
  .feed-refresh.turning svg,
  .app-icon.float,
  .whale-float,
  .whale-float-sm {
    animation: none;
  }
  /* Pulses hold at full strength; the words beside them already say "working". */
  .sheet .pending span,
  .pg:not(.missing)::before {
    animation: none;
  }
  /* A spinner that cannot spin reads as a frozen ring, so it becomes an ellipsis. */
  .spinner {
    animation: none;
    width: auto;
    height: auto;
    border: 0;
    border-radius: 0;
  }
  .spinner::before {
    content: "…";
  }
  /* A button's label already says "Redlining…", so its spinner just goes. */
  .btn .spinner {
    display: none;
  }
  /* The swap button flips at once instead of turning. */
  .swap-btn {
    transition: none;
  }
}

/* ── type ─────────────────────────────────────────────────────────────── */
.mono {
  font-family: var(--mono);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.kicker {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.label {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.h1 {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(1.875rem, 4.4vw, 3rem);
  line-height: 1.05;
  margin-top: 18px;
  text-wrap: balance;
}
.h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.375rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-top: 20px;
  text-wrap: balance;
}
.lead {
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--muted);
  margin-top: 16px;
  max-width: 62ch;
  text-wrap: pretty;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
  text-wrap: pretty;
}
.note {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 36px;
  max-width: 75ch;
  text-wrap: pretty;
}
/* Home's strip caption spans the section: the notes' measure keeps it readable. */
.strip-note {
  max-width: 75ch;
}
.code-inline {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--ink);
}
.hl {
  /* A marker stroke, not a selection box: it stops short of the line's top and
     bottom, and its ends are uneven. In Night the full-height block read as
     selected text. */
  background: linear-gradient(to bottom, transparent 0 12%, var(--hl) 12% 93%, transparent 93%);
  color: var(--ink);
  padding: 0 0.22em;
  margin: 0 -0.08em;
  border-radius: 0.5em 0.18em 0.42em 0.14em / 0.7em 0.25em 0.55em 0.2em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.dagger {
  color: var(--muted);
  font-weight: 400;
}

/* ── layout ───────────────────────────────────────────────────────────── */
.wrap {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
main.wrap {
  flex: 1;
  padding-top: 56px;
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
}
.page-bg {
  position: relative;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.watermark {
  position: absolute;
  right: -120px;
  bottom: 40px;
  width: 620px;
  height: auto;
  color: var(--ink);
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
  animation: jb-drift 16s ease-in-out infinite;
}
/* Home: the whale low behind the hero's words, fainter than elsewhere. */
.watermark.hero-mark {
  left: -160px;
  right: auto;
  bottom: -90px;
  width: 640px;
  opacity: 0.035;
}
.watermark.top {
  top: 80px;
  bottom: auto;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
/* The mono kicker belongs to the page head (.eyebrow) alone; a section opens
   with a plain heading and its facts in mono, not another tracked label. */
.section-head > :first-child {
  font-family: var(--sans);
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.section-head > :last-child:not(:first-child) {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.cells {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cells.no-top {
  border-top: 0;
}
.cells > * {
  background: var(--bg);
  min-width: 0;
}
.cols-auto-200 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.cols-auto-220 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.cols-auto-240 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.cols-auto-260 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.cols-auto-280 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.cell-pad {
  padding: 26px 24px 28px;
}
/* The recommended card is marked by the highlighter, not a side stripe. */
.featured {
  background: var(--hl-soft);
}
.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.mt-12 {
  margin-top: 12px;
}
.mt-18 {
  margin-top: 18px;
}
.mt-24 {
  margin-top: 24px;
}
.mt-28 {
  margin-top: 28px;
}
.mt-36 {
  margin-top: 36px;
}
.mt-40 {
  margin-top: 40px;
}
.mt-56 {
  margin-top: 56px;
}
.mt-64 {
  margin-top: 64px;
}
.mt-72 {
  margin-top: 72px;
}
.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  padding: 12px 20px;
  border: 1px solid transparent;
  text-align: center;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}
/* One solid button: the brand colour (Arthur's "primary button = brand
   colour"). Deep is the app's title bar, not a button. */
.btn-primary,
.btn-cta {
  color: var(--on-cta);
  background: var(--cta);
  border-color: var(--cta);
}
.btn-primary:hover:not(:disabled),
.btn-cta:hover:not(:disabled) {
  color: var(--on-cta);
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-outline {
  color: var(--primary);
  background: var(--bg);
  border-color: var(--primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--hover);
}
.btn-ghost {
  color: var(--ink);
  background: var(--bg);
  border-color: var(--line);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--hover);
}
.btn-text {
  color: var(--ink);
  padding-left: 6px;
  padding-right: 6px;
}
/* Disabled is an outline in every variant: a filled gray read as an enabled
   primary (2.7:1 against it in Graphite, 1.5:1 in Night). */
.btn:disabled,
.btn[aria-disabled="true"] {
  color: var(--disabled);
  background: var(--surface);
  border-color: var(--line-strong);
  border-style: dashed;
}
.btn-sm {
  font-size: 0.8125rem;
  padding: 9px 16px;
}
.btn-lg {
  padding: 13px 22px;
}
.chip-btn {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 12px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line);
}
.chip-btn:hover:not(:disabled):not(.dark) {
  background: var(--hover);
}
.chip-btn.dark:hover:not(:disabled) {
  background: var(--primary);
  border-color: var(--primary);
}
.chip-btn:disabled {
  color: var(--disabled);
  border-color: var(--line);
}
.chip-btn.dark,
.chip-btn[aria-pressed="true"].dark {
  background: var(--deep);
  color: var(--on-deep);
  border-color: var(--deep);
}
/* Pressed is an ink frame on the hover fill: the highlighter marks claims only. */
.chip-btn[aria-pressed="true"]:not(.dark) {
  background: var(--hover);
  color: var(--ink);
  border-color: var(--ink);
}
.seg {
  display: flex;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.seg > button {
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 10px 16px;
  background: var(--bg);
  color: var(--muted);
  border: 0;
  white-space: nowrap;
}
.seg > button[aria-pressed="true"] {
  background: var(--deep);
  color: var(--on-deep);
}
.seg.mono-seg > button {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  font-weight: 400;
  padding: 8px 12px;
}
/* The App page's state jumps: separate buttons, not a joined control. */
.seg.jump-seg {
  gap: 8px;
  background: none;
  border: 0;
}
.seg.jump-seg > button {
  padding: 7px 11px;
  border: 1px solid var(--line);
}
.seg.jump-seg > button[aria-pressed="true"] {
  border-color: var(--deep);
}
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid color-mix(in oklch, currentColor 35%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  display: inline-block;
  animation: jb-spin 0.7s linear infinite;
}

/* ── tags ─────────────────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--bg);
}
/* A state (clean, published, 7 pages): neutral, a stronger frame than a plain tag. */
.tag.state {
  color: var(--ink);
  border-color: var(--line-strong);
}
.tag.blue {
  color: var(--primary);
}
.tag.ins {
  background: var(--ins-bg);
  color: var(--ins);
  border-color: var(--ins-bg);
}
.tag.del {
  background: var(--del-bg);
  color: var(--del);
}
.tag.mov {
  background: var(--mov-bg);
  color: var(--mov);
}
.tag.fmt {
  background: var(--surface);
  color: var(--muted);
}
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.badge-soon {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--hl-soft);
  padding: 2px 5px;
  margin-left: 6px;
  vertical-align: 1px;
}

/* ── nav ──────────────────────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap {
  /* The mobile menu hangs from the bar's bottom edge, not from its button. */
  position: relative;
  padding-top: 14px;
  padding-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand:hover {
  color: var(--ink);
}
/* The illustrated whale keeps its blues; in Night a rim lifts its dark body
   off the dark page. */
.whale-body {
  stroke: light-dark(transparent, color-mix(in oklch, var(--primary) 55%, transparent));
  stroke-width: 3;
}
.brand-mark .mk-body {
  fill: var(--primary);
}
.brand-mark .mk-fin {
  fill: color-mix(in oklch, var(--primary) 45%, var(--bg));
}
.brand-mark .mk-eye {
  fill: var(--bg);
}
.brand-word {
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--muted);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover {
  color: var(--ink);
}
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--primary);
}
/* PRO, the paid app, in inverted colours: the page's ink as the fill. */
.nav-links a.nav-pro {
  font-weight: 800;
  color: var(--bg);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 7px 12px;
  letter-spacing: 0.12em;
}
.nav-links a.nav-pro:hover {
  color: var(--bg);
  background: color-mix(in oklch, var(--ink) 82%, var(--bg));
}
.nav-links a.nav-pro[aria-current="page"] {
  color: var(--on-cta);
  background: var(--primary);
  border-color: var(--primary);
}
.nav-menu {
  display: none;
}
.nav-menu summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 8px 12px;
  user-select: none;
}
/* A sheet pulled down from the bar: flush with its bottom rule (which it
   covers), open at the top, lifted off the page by a shadow. */
.nav-menu-list {
  position: absolute;
  right: 18px;
  top: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 24px 48px -28px var(--shadow);
  overflow: hidden;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  z-index: 50;
}
.nav-menu-list a {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-menu-list a:last-child {
  border-bottom: 0;
}
.nav-menu-list a[aria-current="page"] {
  color: var(--primary);
}
.nav-menu-list a.nav-pro {
  font-weight: 800;
  color: var(--bg);
  background: var(--ink);
  letter-spacing: 0.08em;
}
.nav-menu-list a.nav-pro[aria-current="page"] {
  color: var(--on-cta);
  background: var(--primary);
}
.nav-menu-list a[aria-current="page"]::after {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--primary);
}

/* ── footer ───────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.site-footer .wrap {
  padding-top: 28px;
  padding-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-footer nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.site-footer a {
  color: var(--muted);
}
/* On touch, standalone links (not links inside prose) get a 44px target. */
@media (pointer: coarse) {
  .site-footer nav a,
  .hero-meta a,
  .section-head > a,
  a.small-mono,
  .t-row a,
  .contact-mail {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
  .chip-btn,
  .seg > button,
  .buckets button,
  .side-btn,
  .nav-menu summary,
  .theme-toggle {
    min-height: 44px;
  }
  /* min-* wins over the base rule's 34px size, which comes later in the file. */
  .swap-btn {
    min-width: 44px;
    min-height: 44px;
  }
}
.site-footer a:hover {
  color: var(--ink);
}
/* The light/dark switch: its label names the mode a click turns on. */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.theme-toggle:hover {
  background: var(--hover);
}
.theme-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid currentColor;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
}
.theme-toggle .to-light,
:root[data-theme="dark"] .theme-toggle .to-dark {
  display: none;
}
:root[data-theme="dark"] .theme-toggle .to-light {
  display: inline;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .to-dark {
    display: none;
  }
  :root:not([data-theme="light"]) .theme-toggle .to-light {
    display: inline;
  }
}

/* ── page header block ────────────────────────────────────────────────── */
.page-head {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  align-items: flex-end;
}
.page-head > div:first-child {
  max-width: 720px;
}
/* The App and Demo heads are narrower than the rest (their designs). */
.head-app {
  gap: 24px;
}
.head-app > div:first-child {
  max-width: 640px;
}
.head-app .h1 {
  font-size: clamp(1.875rem, 4.4vw, 2.75rem);
  margin-top: 16px;
}
.head-app .lead {
  font-size: 1rem;
  margin-top: 14px;
  max-width: none;
}
.head-demo > div:first-child {
  max-width: 680px;
}
.head-demo .h1 {
  line-height: 1.1;
}
.head-demo .lead {
  max-width: 60ch;
}
/* Download: copy beside the floating app icon, ruled off from the cards. */
.head-download {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr);
  gap: 40px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 48px;
}
.head-download .lead {
  max-width: 58ch;
}
.head-download .app-icon {
  justify-self: center;
}
.pill {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: var(--hl-soft);
  padding: 8px 12px;
}

/* ── drop slots ───────────────────────────────────────────────────────── */
.slots {
  display: grid;
  grid-template-columns: 1fr 44px 1fr;
  align-items: stretch;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.slot {
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 176px;
  padding: 34px 14px 24px;
  text-align: center;
  cursor: pointer;
  border: 0;
  width: 100%;
  transition: background 0.15s ease;
}
.slot.dashed {
  border: 1px dashed var(--line-strong);
}
.slot:hover {
  background: var(--hover);
}
.slot.filled {
  background: var(--surface);
}
.slot.over {
  background: var(--hl);
}
.slot-label {
  position: absolute;
  top: 12px;
  left: 16px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.slot-icon {
  width: 34px;
  height: 34px;
  color: var(--primary);
}
.slot-name {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  overflow-wrap: break-word;
  line-height: 1.4;
}
.slot-meta {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
  margin-top: 6px;
}
.swap-btn {
  align-self: center;
  justify-self: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--primary);
  display: grid;
  place-items: center;
  transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}
.swap-btn:hover {
  background: var(--hover);
}
.swap-btn.flipped {
  transform: rotate(180deg);
}
.swap-btn svg {
  width: 15px;
  height: 15px;
}
.field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--bg);
}
.field > span:first-child {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.field input {
  flex: 1;
  min-width: 60px;
  padding: 12px 0;
  font-size: 0.875rem;
  background: none;
  border: none;
  outline: none;
}
.field:focus-within {
  border-color: var(--primary);
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
::placeholder {
  color: var(--disabled);
  opacity: 1;
}
.field .hint {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  white-space: nowrap;
}
.input,
.select,
.textarea {
  width: 100%;
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 12px 13px;
}
.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--primary);
}
.textarea {
  line-height: 1.55;
  resize: vertical;
}
.check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  cursor: pointer;
}
.check input {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--primary);
  background: var(--bg);
  display: inline-grid;
  place-items: center;
  margin: 0;
  flex: none;
}
.check input:checked {
  background: var(--primary);
}
.check input:checked::after {
  content: "✓";
  color: var(--on-cta);
  font-size: 0.6875rem;
  line-height: 1;
}
/* "Preview as soon as the documents are in": a line of its own above the run button. */
.check.instant {
  display: flex;
  align-items: flex-start;
  margin: 0.75rem 0;
  font-size: 0.8125rem;
  line-height: 1.45;
}
.check.instant input {
  margin-top: 0.125rem;
}

/* ── paper preview (redline) ──────────────────────────────────────────── */
.paper {
  border: 1px solid var(--line-strong);
  background: var(--page);
  max-height: 430px;
  overflow-y: auto;
  padding: 40px 48px;
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
}
.paper p {
  margin: 0 0 14px;
}
.paper .doc-title {
  text-align: center;
  font-weight: 600;
  margin-bottom: 2px;
}
.paper .doc-sub {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 20px;
}
.paper .doc-h {
  font-weight: 600;
  margin-bottom: 6px;
}
.paper .doc-more {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
ins,
.ins {
  color: var(--ins);
  background: var(--ins-bg);
  text-decoration: underline;
  text-underline-offset: 2px;
}
del,
.del {
  color: var(--del);
  background: var(--del-bg);
  text-decoration: line-through;
}
.mov {
  color: var(--mov);
  background: var(--mov-bg);
  text-decoration: underline double;
  text-underline-offset: 2px;
}
.fmtchg {
  border-bottom: 1px dotted var(--muted);
}

/* ── empty / result panels ────────────────────────────────────────────── */
.empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 14px;
  min-height: 360px;
  color: var(--muted);
}
.empty p {
  font-size: 0.9375rem;
  color: var(--ink);
}
.empty .mono {
  font-size: 0.6875rem;
}
.result-head {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}
.result-file {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.check-ico {
  width: 28px;
  height: 28px;
  color: var(--primary);
  flex: none;
}
.result-file strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.result-file .mono {
  font-size: 0.6875rem;
  color: var(--muted);
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--deep);
  color: var(--on-deep);
  font-size: 0.8125rem;
  padding: 12px 18px;
  max-width: 92vw;
}
/* Kept in the accessibility tree while empty, so the live region announces. */
.toast.off {
  opacity: 0;
  pointer-events: none;
}
.toast[data-kind="error"]::before,
.toast[data-kind="warn"]::before {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.toast[data-kind="error"]::before {
  content: "Error · ";
}
.toast[data-kind="warn"]::before {
  content: "Note · ";
}
.toast.inside {
  position: absolute;
  bottom: 22px;
  z-index: 5;
}

/* ── page thumbnails (mini layouts) and real page images ─────────────── */
.sheet {
  background: var(--page);
  border: 1px solid var(--line);
  aspect-ratio: 8.5 / 11;
  overflow: hidden;
  position: relative;
}
.sheet.perfect {
  border-color: var(--primary);
}
.sheet .pending {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  padding: 12px;
}
.sheet .pending span {
  animation: jb-pulse 1.2s ease-in-out infinite;
}
.page-img {
  position: relative;
  overflow: hidden;
  background: var(--page);
}
.page-img > img {
  position: absolute;
  left: 0;
  width: 100%;
  height: auto;
  max-width: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* ── tables ───────────────────────────────────────────────────────────── */
.t-row {
  display: grid;
  gap: 0 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.t-row.head {
  padding: 12px 0 10px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.t-row:not(.head):hover {
  background: var(--hover);
}
.num {
  font-family: var(--mono);
  font-size: 0.8125rem;
  text-align: right;
}
.bar {
  height: 10px;
  background: var(--surface);
}
.bar > div {
  height: 100%;
  background: var(--line-strong);
}
.bar.hi > div {
  background: var(--primary);
}
.bar.thin {
  height: 6px;
  margin-top: 4px;
}

/* ── shared bits the pages use ─────────────────────────────────────── */
.strong {
  font-weight: 600;
}
.ink,
.ink-strong {
  color: var(--ink);
}
.ink-strong {
  font-weight: 500;
}
.blue,
.mono.blue {
  color: var(--primary);
}
.kicker.blue {
  color: var(--primary);
}
.kicker.ink {
  color: var(--ink);
}
.r {
  text-align: right;
}
/* Red means deleted; a warning is marked with a sign, not a revision colour. */
.warn {
  font-weight: 700;
}
.warn::before {
  content: "≠ ";
}
.mb-44 {
  margin-bottom: 44px;
}
.gap-8 {
  gap: 8px;
}
.gap-10 {
  gap: 10px;
}
.row-between {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.small-mono {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-title {
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.body-muted {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--muted);
  text-wrap: pretty;
}
.note-title {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 20px;
}
.kicker + .note-title {
  margin-top: 12px;
}
.cell-pad > .note-title:first-child {
  margin-top: 0;
}
/* Home: one command block with a tab per surface, not four look-alike cards. */
.installer {
  max-width: 780px;
}
.installer-tabs {
  margin-top: 0;
}
.installer-panel .code-block {
  font-size: 0.875rem;
  margin-top: 18px;
}
.surface-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-top: 14px;
}
.code-block {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink);
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 10px 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
/* A command word wraps whole; one longer than the line still breaks inside. */
.tok {
  display: inline-block;
  max-width: 100%;
}
.head-rule {
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
}
.btn-text.small-mono {
  padding: 0;
  border: 0;
  background: none;
  color: var(--primary);
}
.pg {
  position: relative;
  overflow: hidden;
  background: var(--page);
  width: 100%;
}
/* Until the strip paints, the page says so: the image covers this label. */
.pg:not(.missing)::before {
  content: "Loading page…";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--muted);
  animation: jb-pulse 1.2s ease-in-out infinite;
}
.more-thumb .pg::before {
  content: none;
}
.pg > img {
  position: absolute;
  left: 0;
  width: 100%;
  height: auto;
  max-width: none;
  user-select: none;
  -webkit-user-drag: none;
}
.pg.missing {
  aspect-ratio: 8.5 / 11;
  display: grid;
  place-items: center;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  padding: 12px;
}

/* ── home ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-grid {
  position: relative;
  z-index: 1;
  padding-top: 72px;
  padding-bottom: 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 48px;
  align-items: center;
}
.rule-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
}
.rule-eyebrow > span {
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--primary);
}
.hero-h1 {
  font-weight: 700;
  letter-spacing: -0.034em;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.08;
  margin-top: 26px;
  max-width: 14ch;
  text-wrap: pretty;
}
.hero-lead {
  font-size: clamp(1.0625rem, 2vw, 1.3125rem);
  line-height: 1.45;
  color: var(--muted);
  margin-top: 26px;
  max-width: 52ch;
  text-wrap: pretty;
}
.hero-meta {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 40px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
/* The hero's marked-up clause: the paper a lawyer would receive. */
.hero-redline {
  align-self: center;
}
.redline-paper {
  max-height: none;
  overflow: visible;
  padding: 36px 40px 28px;
  font-size: 0.96875rem;
  line-height: 1.8;
  border-color: var(--ink);
}
.redline-paper p:last-child {
  margin-bottom: 0;
}
.hero-redline figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-top: 14px;
}
.redline-note {
  flex: 1 1 240px;
  font-size: 0.75rem;
  color: var(--muted);
}
.dev-head {
  border-bottom: 0;
}
.band {
  border-bottom: 1px solid var(--line);
}
.paper-band {
  background: var(--surface);
}
.band-pad {
  padding-top: 88px;
  padding-bottom: 88px;
}
.band-pad-sm {
  padding-top: 48px;
  padding-bottom: 52px;
}
.band-pad-md {
  padding-top: 64px;
  padding-bottom: 64px;
}
.feed-grid {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(0, 2.2fr);
  gap: 32px;
  margin-top: 28px;
  align-items: start;
}
.feed-path {
  font-family: var(--mono);
  font-size: 0.75rem;
  margin-top: 10px;
  word-break: break-all;
  line-height: 1.5;
}
.feed-scores {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feed-scores > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.feed-scores dt {
  font-size: 0.8125rem;
  color: var(--muted);
}
.feed-scores dd {
  font-family: var(--mono);
  font-size: 0.8125rem;
  text-align: right;
}
.feed-scores .ours dt {
  font-weight: 600;
  color: var(--primary);
}
.feed-scores .ours dd {
  color: var(--primary);
  font-weight: 500;
}
/* Download: the Mac app's facts, label beside value, one ruled row each. */
.spec > div {
  display: grid;
  grid-template-columns: minmax(130px, 0.28fr) minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.spec dt {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 3px;
}
.spec dd {
  font-size: 0.9375rem;
  line-height: 1.5;
}
.dev-lead {
  max-width: 68ch;
}
.feed-sheets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.strip-col {
  min-width: 0;
}
.strip-col figcaption {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.strip-col .sheet {
  margin-top: 8px;
}
.sheet .pg {
  position: absolute;
  inset: 0;
}
.cap {
  background: var(--bg);
  padding: 30px 26px 34px;
  /* A column, so every card's command sits on the same baseline. */
  display: flex;
  flex-direction: column;
  color: var(--ink);
  transition: background 0.18s ease;
}
.cap:hover {
  background: var(--hover);
  color: var(--ink);
}
.cap-tag {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.cap-title {
  display: block;
  font-size: 1.4375rem;
  font-weight: 600;
  letter-spacing: -0.018em;
  margin-top: 20px;
}
.cap-desc {
  display: block;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--muted);
  margin-top: 12px;
  margin-bottom: 22px;
  text-wrap: pretty;
}
.cap-cmd {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--ink);
  margin-top: auto;
  background: var(--surface);
  padding: 9px 11px;
  /* The command is the content: wrap it at its spaces, never cut it off. */
  white-space: normal;
  overflow-wrap: anywhere;
}
.bench-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 1.6fr);
  gap: 56px;
  align-items: start;
}
.bench-groups {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.group-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.9375rem;
  font-weight: 600;
}
.bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}
.bar-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 64px;
  gap: 14px;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--muted);
}
.bar-row > span:first-child {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bar-row.ours {
  color: var(--primary);
  font-weight: 600;
}

/* ── live ─────────────────────────────────────────────────────────────── */
.live-soon {
  margin-top: 36px;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}
.live-whale {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.soon-title {
  font-size: clamp(1.625rem, 3vw, 2.125rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 18px;
}
.phase-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}
.phase-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.phase-list li strong {
  display: block;
  font-size: 0.875rem;
}
.phase-list li .small {
  display: block;
}
.phase-n {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--primary);
  padding-top: 3px;
}

/* ── demo ─────────────────────────────────────────────────────────────── */
.phone-note {
  margin-top: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 16px 18px;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink);
}
.phone-note .kicker {
  display: block;
  margin-bottom: 6px;
}
.tabs {
  display: flex;
  gap: 0;
  margin-top: 40px;
  border-bottom: 1px solid var(--line);
}
.tabs [role="tab"] {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 12px 18px;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  white-space: nowrap;
  margin-bottom: -1px;
}
.tabs [role="tab"][aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--primary);
}
.demo-grid {
  display: grid;
  grid-template-columns: minmax(300px, 440px) minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-top: 0;
}
.demo-grid > * {
  background: var(--bg);
  min-width: 0;
}
.demo-controls {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.demo-preview {
  padding: 28px 30px 32px;
  display: flex;
  flex-direction: column;
  background: var(--surface);
}
.status {
  min-height: 1.6em;
}
.sample-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}
.sample-row .small {
  flex: 1 1 200px;
}
.how-it-runs summary {
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
}
.status details {
  margin-top: 6px;
}
.status summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.status pre {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.slot.bad {
  outline: 2px dashed var(--ink);
  outline-offset: -4px;
}
.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 0.8125rem;
  color: var(--muted);
}
.steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
}
.steps li > span:first-child {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--primary);
  padding-top: 2px;
}
.seg-2 > button {
  flex: 1;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: end;
}
.cli-echo {
  font-family: var(--mono);
  font-size: 0.6875rem;
  line-height: 1.6;
  color: var(--on-deep);
  background: var(--deep);
  padding: 12px 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
  margin-top: 18px;
  max-height: 640px;
  overflow-y: auto;
}
.page-thumb .thumb {
  aspect-ratio: 8.5 / 11;
  background: var(--page);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.page-thumb .thumb .spinner {
  border-color: var(--line);
  border-top-color: var(--primary);
}
.page-thumb canvas {
  width: 100%;
  height: auto;
}
.page-thumb figcaption {
  font-size: 0.6875rem;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: 0.08em;
}
.page-thumb.failed .thumb::after {
  content: "could not draw";
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
}
#r-result,
#a-result {
  transition: opacity 0.2s ease;
}
.stale {
  opacity: 0.55;
}
.paper p.blank {
  min-height: 1em;
}
.paper .moveins,
.paper .movedel {
  color: var(--mov);
  background: var(--mov-bg);
}
.paper .moveins {
  text-decoration: underline double;
  text-underline-offset: 2px;
}
.paper .movedel {
  text-decoration: line-through double;
}
.tag.del,
.tag.mov {
  border-color: var(--line);
}
/* The chips are the legend: each count wears its revision's mark. An
   insertion or deletion is marked once, a move twice. */
.tag.ins {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.tag.del {
  text-decoration: line-through;
}
.tag.mov {
  text-decoration: underline double;
  text-underline-offset: 3px;
}
.chips > .tag {
  padding: 6px 11px;
  letter-spacing: 0.08em;
}

/* ── benchmark ────────────────────────────────────────────────────────── */
.intro {
  max-width: 760px;
}
.intro .lead {
  max-width: 75ch;
}
.headline-v {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.headline-v > span:first-child {
  font-variant-numeric: tabular-nums;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--primary);
}
.headline-v .mono {
  font-size: 0.75rem;
}
.bench-table,
.score-table,
.dl-table {
  min-width: 720px;
}
.bench-cols {
  grid-template-columns: 34px minmax(170px, 1.1fr) minmax(200px, 1.6fr) 70px 70px 70px 60px;
}
.bench-cols .r,
.bench-cols .num {
  text-align: right;
}
.t-row.ours {
  background: linear-gradient(90deg, var(--hl-soft), transparent 70%);
}
.tool-name {
  font-size: 0.875rem;
  font-weight: 600;
}
.t-row.ours .tool-name {
  color: var(--primary);
}
.tool-pin {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
  margin-top: 2px;
}
.bar-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.bar-note {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
  max-width: 75ch;
}
.num.failed {
  font-weight: 700;
}
.state-name {
  font-size: 0.875rem;
  font-weight: 600;
}
.state-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}
.state-row > div:first-child {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--muted);
}
.state-row.ours > div:first-child {
  color: var(--primary);
  font-weight: 600;
}
.browser-frame {
  border: 1px solid var(--line);
  background: var(--bg);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.browser-bar > span:not(.url) {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}
.browser-bar .url {
  margin-left: 10px;
  flex: 1;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 5px 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.case-frame {
  display: block;
  width: 100%;
  height: 860px;
  border: 0;
}

/* ── cases ────────────────────────────────────────────────────────────── */
body.bare {
  min-height: 0;
}
.toolbar {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.toolbar-in {
  padding-top: 12px;
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.cases main.wrap {
  padding-top: 28px;
  padding-bottom: 72px;
}
.cases.embed main.wrap {
  padding-top: 18px;
  padding-bottom: 24px;
}
.cases-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
.cases-grid.with-side {
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
}
.side {
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 100px);
  overflow: auto;
  border: 1px solid var(--line);
  background: var(--bg);
}
.cases.embed .side {
  top: 12px;
}
.side-head {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.side-sec {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}
.side-sec:last-child {
  border-bottom: 0;
}
.side-sec input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}
.side-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.side-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 8px 10px;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--line);
  text-align: left;
}
.side-btn .mono {
  font-size: 0.6875rem;
  color: var(--muted);
}
.side-btn[aria-pressed="true"]:not(.engine) {
  background: var(--deep);
  color: var(--on-deep);
  border-color: var(--deep);
  font-weight: 600;
}
.side-btn[aria-pressed="true"]:not(.engine) .mono {
  color: inherit;
}
.side-btn.engine {
  justify-content: flex-start;
  color: var(--ink);
}
.side-btn .sq {
  width: 12px;
  height: 12px;
  border: 1px solid var(--primary);
  background: var(--bg);
  flex: none;
}
.side-btn.engine[aria-pressed="true"] .sq {
  background: var(--primary);
}
.buckets {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.buckets button {
  font-family: var(--mono);
  font-size: 0.6875rem;
  padding: 9px 4px;
  background: var(--bg);
  color: var(--muted);
  border: 0;
}
.buckets button[aria-pressed="true"] {
  background: var(--deep);
  color: var(--on-deep);
}
.keys {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  font-size: 0.75rem;
  color: var(--muted);
}
.keys dt {
  font-family: var(--mono);
  color: var(--ink);
}
.seg-dark > button[aria-pressed="true"] {
  background: var(--deep);
  color: var(--on-deep);
}
.stage {
  min-width: 0;
}
.stage-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.stage-id {
  min-width: 0;
}
.case-path {
  font-family: var(--mono);
  font-size: 0.8125rem;
  margin-top: 4px;
  word-break: break-all;
  line-height: 1.5;
}
.tag.link {
  color: var(--primary);
}
.stage-ctl {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.stage-ctl .label {
  margin: 0;
}
.stage-ctl input[type="range"] {
  width: 140px;
  accent-color: var(--primary);
}
.slider-v {
  font-size: 0.6875rem;
  width: 40px;
  text-align: right;
}
.page-nav .chip-btn {
  padding: 5px 10px;
}
.page-nav .mono {
  font-size: 0.6875rem;
  color: var(--muted);
}
.empty-filter {
  margin-top: 22px;
  font-size: 0.875rem;
  color: var(--muted);
}
.case-pages {
  --zoom: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(calc(200px * var(--zoom)), 1fr));
  gap: 18px;
  margin-top: 22px;
}
.case-cell {
  min-width: 0;
}
.cell-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}
.cell-head > span:first-child {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.case-cell.ours .cell-head > span:first-child {
  color: var(--primary);
}
.case-cell > .pg,
.case-cell .stack {
  border: 1px solid var(--line);
}
.case-cell.perfect .stack {
  border-color: var(--primary);
}
.stack {
  position: relative;
  background: var(--page);
}
.stack > .pg.under {
  position: absolute;
  inset: 0;
}
.stack > .pg.under ~ .pg.over {
  position: relative;
}
.cell-score {
  margin-top: 10px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.cell-score strong {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}
.case-cell.ours .cell-score strong {
  color: var(--primary);
}
.more {
  margin-top: 26px;
}
.more-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.more-thumb {
  flex: none;
  width: 132px;
  background: none;
  border: 0;
  text-align: left;
}
.more-thumb .pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border: 1px solid var(--line);
  padding: 2px;
  background: var(--page);
}
.more-thumb.low .pair {
  border-color: var(--ink);
  border-style: dashed;
}
.more-thumb.current .pair {
  border-color: var(--primary);
  outline: 1px solid var(--primary);
}
.more-thumb .mono {
  display: block;
  font-size: 0.6875rem;
  color: var(--muted);
  margin-top: 4px;
}
.scores {
  margin-top: 36px;
}
.score-cols {
  grid-template-columns: minmax(220px, 1.6fr) 70px 80px 70px 70px 90px;
}
.score-cols .files {
  white-space: nowrap;
}
.score-cols .files a {
  margin-left: 8px;
}
.t-row.oracle .strong .mono {
  font-weight: 400;
  font-size: 0.6875rem;
}

/* ── app window ───────────────────────────────────────────────────────── */
.sim-ctl {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.sim-ctl .label {
  margin: 0 4px 0 8px;
}
#sim {
  padding: 9px 16px;
  font-size: 0.8125rem;
  background: var(--deep);
  border-color: var(--deep);
}
#sim.on {
  background: var(--primary);
  border-color: var(--primary);
}
.sim-dot {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 8px solid var(--on-deep);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
#sim.on .sim-dot {
  border: 0;
  width: 8px;
  height: 8px;
  background: var(--on-deep);
}
.app-window {
  margin-top: 36px;
  background: var(--surface2);
  padding: 40px 24px;
  border: 1px solid var(--line);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.app-window > .app-bar,
.app-window > .app-body {
  width: 1060px;
  max-width: 100%;
}
.app-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 18px;
  background: var(--deep);
  color: var(--on-deep);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}
.app-title {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-deep);
}
.app-bar .mono {
  color: var(--on-deep-muted);
}
.lights {
  display: flex;
  gap: 8px;
}
.lights > span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: oklch(69.4% 0.196 26.4);
}
.lights > span:nth-child(2) {
  background: oklch(83.5% 0.161 80.9);
}
.lights > span:nth-child(3) {
  background: oklch(72.8% 0.217 144.7);
}
.app-body {
  display: grid;
  grid-template-columns: minmax(300px, 456px) minmax(0, 1fr);
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 0;
  box-shadow: 0 24px 60px -30px var(--shadow);
}
.app-left {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.app-hero {
  text-align: center;
  padding: 30px 24px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.app-word {
  font-weight: 700;
  font-size: 1.875rem;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-top: 8px;
}
.app-hero p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.5;
}
.app-sec {
  padding: 16px 32px 0;
}
/* The app window's controls follow the App design, not the Demo's: shorter
   slots with a wider swap column, and the controls' native line height. */
.app-window .slots {
  grid-template-columns: 1fr 48px 1fr;
}
.app-window .slot {
  min-height: 168px;
  padding: 30px 16px;
}
.app-window .slot-label {
  top: 14px;
}
.app-window .swap-btn {
  width: 36px;
  height: 36px;
}
.app-window .field {
  padding: 0 15px;
}
.app-window .field input,
.app-window .app-actions .btn {
  line-height: normal;
}
/* Redline / Convert to PDF: the window's two modes. */
.app-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 12px;
}
.app-window .slots.single {
  grid-template-columns: 1fr;
}
.field select {
  flex: 1;
  min-width: 60px;
  padding: 12px 0;
  font-size: 0.875rem;
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
}
/* Two pages a row in the window's preview pane: big enough to read the marks. */
.app-pages {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  max-height: 560px;
}
.app-window .field-file input {
  font-family: var(--mono);
  font-size: 0.8125rem;
  padding: 11px 0;
}
.app-window .app-right {
  padding: 32px 36px;
}
.app-window .result-file {
  gap: 13px;
}
.app-window .check-ico {
  width: 30px;
  height: 30px;
}
.app-notes {
  margin-top: 40px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.app-notes > div {
  padding: 24px 22px 26px;
}
.app-notes .note-title {
  font-size: 0.9375rem;
}
.app-notes .small {
  margin-top: 8px;
}
.app-sec:last-child {
  padding-bottom: 30px;
}
.app-hero + .app-sec {
  padding-top: 22px;
}
.app-sec .field + .app-actions {
  margin-top: 14px;
}
.app-actions + .field {
  margin-top: 10px;
}
.app-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.app-actions > .btn {
  flex: 1 1 auto;
  font-size: 0.8125rem;
  padding: 11px 16px;
}
.app-actions > .btn-cta {
  flex: 1 1 100%;
  padding: 13px 20px;
}
.app-right {
  padding: 26px 28px;
  border-left: 1px solid var(--line);
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.stale-note {
  margin-top: 12px;
  font-size: 0.8125rem;
  font-weight: 600;
}
.sim-caption {
  position: absolute;
  left: 42px;
  top: 92px;
  z-index: 6;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--deep);
  color: var(--on-deep);
  padding: 16px 20px;
  max-width: min(440px, 88%); /* stays inside the left pane, off the result */
}
.sim-caption .mono {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-deep);
  white-space: nowrap;
  padding-top: 4px;
}
.sim-caption > span:last-child {
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

/* ── contact ──────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 56px;
  align-items: start;
}
.contact-grid .cells {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-top: 40px;
}
.contact-grid .cells > .cell-pad {
  padding: 22px 22px 24px;
}
.contact-grid .h1 {
  font-size: clamp(2.125rem, 5vw, 3.5rem);
  letter-spacing: -0.032em;
  line-height: 1.02;
  margin-top: 20px;
}
.contact-grid .lead {
  font-size: 1.125rem;
  line-height: 1.5;
  margin-top: 24px;
  max-width: 50ch;
}
.contact-mail {
  display: inline-block;
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 10px;
}
.form-card {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 24px 26px 28px;
}
.form-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}
/* Form rows: a label above a bordered control. Not .field, which is the
   app window's inline label-and-input row and strips its input's border. */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.form-field > span:first-child {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-body legend {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.topics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.topic {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 11px 10px;
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
}
.topic input {
  appearance: none;
  width: 10px;
  height: 10px;
  border: 1px solid var(--primary);
  margin: 0;
  flex: none;
}
.topic input:checked {
  background: var(--primary);
}
.topic:has(input:checked) {
  background: var(--hover);
  color: var(--ink);
  border-color: var(--ink);
}
.topic:has(input:focus-visible) {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.sent {
  padding: 40px 0 16px;
}

/* ── download ─────────────────────────────────────────────────────────── */
.app-icon {
  width: 168px;
  height: 168px;
  display: block;
}
.app-icon.float {
  animation: jb-float-dl 6s ease-in-out infinite;
}
.whale-float {
  animation: jb-float 5.5s ease-in-out infinite;
}
.whale-float-sm {
  animation: jb-float-sm 5.5s ease-in-out infinite;
}
.cols-auto-300 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.channel .code-block {
  margin-top: 14px;
}
.channel > a {
  display: inline-block;
}
.dl-cols {
  grid-template-columns: minmax(160px, 1fr) minmax(260px, 2fr) 80px 70px 100px;
}
.dl-cols a.mono {
  font-size: 0.75rem;
  word-break: break-all;
}
.t-row.pending {
  color: var(--muted);
}
.two-col-release {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.6fr);
  gap: 48px;
  align-items: start;
}
.releases {
  border-top: 1px solid var(--line);
}
.release {
  display: grid;
  grid-template-columns: 70px 100px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.release .mono {
  font-size: 0.75rem;
}

/* ── legal ────────────────────────────────────────────────────────────── */
.legal {
  max-width: 780px;
}
.legal h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 34px 0 10px;
  letter-spacing: -0.01em;
}
.legal p,
.legal li {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 12px;
  max-width: 72ch;
}
.legal ul {
  padding-left: 22px;
}
.legal .h1 + .small {
  margin-bottom: 28px;
}

/* ── 429 page ─────────────────────────────────────────────────────────── */
.limit-page {
  padding-top: 96px;
  padding-bottom: 96px;
  max-width: 760px;
}
.limit-page .btn {
  margin-top: 28px;
}

/* ── responsive (the design's data-mq rules) ─────────────────────────── */
@media (max-width: 760px) {
  .wrap {
    padding-left: 18px;
    padding-right: 18px;
  }
  main.wrap {
    padding-top: 36px;
    padding-bottom: 48px;
  }
  .nav-links {
    display: none;
  }
  .nav-menu {
    display: block;
  }
  /* Stacked, the hero ends in the redline paper: the whale moves up behind
     the headline instead. */
  .watermark.hero-mark {
    top: 40px;
    bottom: auto;
    left: -200px;
    width: 520px;
  }
  .m-hide {
    display: none !important;
  }
  .m-show {
    display: block !important;
  }
  .m-stack {
    grid-template-columns: minmax(0, 1fr) !important;
  }
  .m-two {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
  .m-three {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }
  /* Three ~100px columns: "WORD · ORACLE" fits on one line with tighter tracking. */
  .strip-col figcaption {
    letter-spacing: 0.02em;
  }
  .m-col {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .m-tight {
    padding: 14px 10px !important;
  }
  .m-pad {
    padding-left: 18px !important;
    padding-right: 18px !important;
  }
  .paper {
    padding: 24px 20px;
  }
}
.m-show {
  display: none;
}

/* ── responsive, page level ──────────────────────────────────────────── */
@media (max-width: 760px) {
  .hero-grid {
    padding-top: 44px;
    padding-bottom: 40px;
  }
  .band-pad {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .side {
    position: static;
    max-height: none;
  }
  .cases-grid.with-side {
    grid-template-columns: minmax(0, 1fr);
  }
  /* Cases on a phone: the benchmark switch on its own row, then one row of
     filters, scores, prev, random, next (no keyboard, so no key hints), then
     the position. */
  .toolbar-in {
    justify-content: flex-start;
    gap: 8px 6px;
  }
  .tb-bench {
    flex: 1 0 100%;
  }
  .tb-nav,
  .tb-views {
    display: contents;
  }
  .tb-views > * {
    order: 1;
  }
  .tb-nav > .chip-btn {
    order: 2;
  }
  .toolbar-in .chip-btn {
    flex: 1 1 auto;
    padding-left: 6px;
    padding-right: 6px;
    text-align: center;
  }
  .key-hint {
    display: none;
  }
  #toggle-keys {
    display: none;
  }
  #pos {
    order: 3;
    flex: 1 0 100%;
  }
  #pos:empty {
    display: none;
  }
  /* The pages lead; the case's name, tags and links follow them. */
  .stage {
    display: flex;
    flex-direction: column;
  }
  .stage-head {
    display: contents;
  }
  .stage-id {
    order: 1;
    margin-top: 22px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }
  .stage > .more,
  .stage > #toggle-more,
  .stage > .scores,
  .stage > .note {
    order: 2;
  }
  .stage > #toggle-more {
    align-self: flex-start;
  }
  /* The overlay switch on its own row; a narrower zoom and the page turner
     share the next one. */
  .stage-ctl {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
  }
  .stage-ctl > .seg {
    flex: 1 0 100%;
  }
  .zoom-row {
    flex: 1 1 0;
    flex-wrap: nowrap;
    min-width: 0;
    gap: 8px;
  }
  .stage-ctl .zoom-row input[type="range"] {
    flex: 1 1 auto;
    width: auto;
    min-width: 48px;
    max-width: 110px;
  }
  .zoom-row .slider-v {
    width: 34px;
  }
  .stage-ctl .page-nav {
    flex: none;
    gap: 6px;
  }
  .stage-ctl {
    align-items: stretch;
  }
  .seg-dark {
    display: flex;
  }
  .seg.seg-dark > button {
    flex: 1;
    padding-left: 4px;
    padding-right: 4px;
  }
  .tabs [role="tab"] {
    flex: 1;
    padding-left: 8px;
    padding-right: 8px;
    white-space: normal;
  }
  .app-right {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .app-sec {
    padding-left: 18px;
    padding-right: 18px;
  }
  .sim-caption {
    left: 18px;
    right: 18px;
    top: 60px;
  }
  .sim-caption > span:last-child {
    font-size: 1rem;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .case-frame {
    height: 720px;
  }
  .bar-row {
    grid-template-columns: 110px minmax(0, 1fr) 56px;
  }
  .release {
    grid-template-columns: 60px minmax(0, 1fr);
  }
  .release .small {
    grid-column: 1 / -1;
  }
  .demo-controls,
  .demo-preview {
    padding: 20px 18px 24px;
  }
}
@media (max-width: 1000px) {
  .contact-grid,
  .two-col-release {
    grid-template-columns: minmax(0, 1fr);
  }
}