/* ============================================================================
   onebit-ai.com — site.css
   Paper, ink and one orange bit. Light is default; dark inverts the ink.
   Rules: colours only via tokens; --signal is never a text colour on paper
   (use --signal-text); no shadows, blur, glow or gradients (the highlighter
   is a flat block); motion is transform/opacity only and off under
   prefers-reduced-motion. No inline styles anywhere in the markup.
   ========================================================================== */

/* ---------------------------------------------------------------- fonts */
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 400 700; font-stretch: 100% 110%; font-display: swap; src: url("/assets/fonts/archivo-latin.woff2") format("woff2"); }
@font-face { font-family: "Archivo Fallback"; src: local("Arial"), local("Helvetica"); size-adjust: 96%; ascent-override: 92%; descent-override: 23%; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("/assets/fonts/jetbrains-mono-latin.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono Fallback"; src: local("Consolas"), local("Menlo"), local("Courier New"); size-adjust: 104%; }

/* --------------------------------------------------------------- tokens */
:root {
  color-scheme: light dark;
  --paper: #f6f5f1;
  --ink: #0a0a0a;
  --mute: #5c5a55;
  --panel: #ecebe5;
  --hairline: #d4d2cc;
  --line: #8a8781;
  --signal: #ec7a2b;
  --signal-text: #b04a14;
  --focus: #b04a14;
  --error: #a4241d;
  --grain: url("/assets/img/grain-light.png");
  --btn-primary-fg: #0a0a0a;

  --font-display: "Archivo", "Archivo Fallback", Arial, Helvetica, sans-serif;
  --font-body: "Archivo", "Archivo Fallback", Arial, Helvetica, sans-serif;
  --font-mono: "JetBrains Mono", "JetBrains Mono Fallback", ui-monospace, Consolas, Menlo, monospace;

  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px; --s-11: 160px;
  --gutter: clamp(16px, 4vw, 64px);
  --section: clamp(64px, 10vw, 160px);
  --measure: 66ch;
  --header-h: 64px;

  --t-hover: 160ms; --t-state: 240ms; --t-reveal: 400ms;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --pill: 999px;
}
:root[data-theme="dark"] {
  --paper: #0a0a0a; --ink: #f6f5f1; --mute: #a3a29c; --panel: #141412; --hairline: #2a2a28; --line: #6f6d67;
  --signal-text: #ec7a2b; --focus: #ec7a2b; --error: #ff7a70; --grain: url("/assets/img/grain-dark.png");
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0a0a0a; --ink: #f6f5f1; --mute: #a3a29c; --panel: #141412; --hairline: #2a2a28; --line: #6f6d67;
    --signal-text: #ec7a2b; --focus: #ec7a2b; --error: #ff7a70; --grain: url("/assets/img/grain-dark.png");
  }
}

/* ----------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html {
  background-color: var(--paper);
  background-image: var(--grain);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 100%;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  scroll-padding-bottom: 80px;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-transparency: reduce) { html { background-image: none; } }
@media (min-width: 1024px) { html { font-size: 106.25%; } }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; text-wrap: pretty; }
main { flex: 1; }
main:focus { outline: none; }
::selection { background: var(--signal); color: #0a0a0a; }
img, svg, video { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.16em; }
a:hover { text-decoration-thickness: 2px; }
p { margin: 0 0 var(--s-4); max-width: var(--measure); }
ul, ol { margin: 0 0 var(--s-4); padding-left: 1.2em; max-width: var(--measure); }
li { margin-bottom: var(--s-2); }
hr { border: 0; border-top: 1px solid var(--hairline); margin: var(--s-6) 0; }
code, kbd, pre { font-family: var(--font-mono); font-size: 0.8125rem; }
pre { line-height: 1.6; margin: 0; white-space: pre; overflow: auto; }
button { font: inherit; color: inherit; }
strong { font-weight: 600; }
small, .small { font-size: 0.875rem; }
.mute { color: var(--mute); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; font-stretch: 105%; margin: 0 0 var(--s-4); text-wrap: balance; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 6.5vw, 6rem); line-height: 0.98; letter-spacing: -0.03em; max-width: 14ch; }
h2 { font-size: clamp(1.875rem, 3.6vw, 3rem); line-height: 1.05; max-width: 22ch; }
h3 { font-size: 1.5rem; line-height: 1.2; font-stretch: 100%; }
h4 { font-size: 1.125rem; line-height: 1.3; font-stretch: 100%; letter-spacing: -0.01em; }
.lede { font-size: 1.25rem; line-height: 1.45; max-width: 55ch; color: var(--ink); }
.cat { font-size: 1.125rem; color: var(--mute); font-weight: 500; margin-bottom: var(--s-5); max-width: none; }
.eyebrow { font-family: var(--font-mono); font-size: 0.8125rem; font-weight: 500; color: var(--mute); letter-spacing: 0; margin: 0 0 var(--s-4); font-variant-numeric: tabular-nums; }
.eyebrow b { color: var(--ink); font-weight: 500; }
.honest { font-size: 0.875rem; color: var(--mute); max-width: var(--measure); display: flex; gap: var(--s-2); align-items: flex-start; }
.honest::before { content: ""; flex: 0 0 auto; width: 0.6em; height: 0.6em; margin-top: 0.42em; border: 1.5px solid currentColor; border-radius: 22%; }
.highlight { background-image: linear-gradient(var(--ink), var(--ink)); background-repeat: no-repeat; background-size: 100% 0.14em; background-position: 0 92%; padding: 0 0.04em; }
.highlight--signal { background-image: linear-gradient(var(--signal), var(--signal)); background-size: 100% 0.32em; background-position: 0 88%; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; min-height: 0 !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0); white-space: nowrap; border: 0 !important; left: 0; top: 0; }
.skip-link { position: absolute; left: var(--s-4); top: -100px; z-index: 100; background: var(--ink); color: var(--paper); padding: var(--s-3) var(--s-4); border-radius: var(--pill); font-weight: 500; }
.skip-link:focus { top: var(--s-3); }

/* --------------------------------------------------------------- layout */
.wrap { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(40px, 6vw, 96px); }
.section--hair { border-top: 1px solid var(--hairline); }
.section-head { display: grid; gap: var(--s-4); margin-bottom: clamp(32px, 5vw, 64px); align-items: end; }
@media (min-width: 900px) { .section-head { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-8); } .section-head > :last-child { justify-self: start; } }
.section-head .lede { margin-bottom: 0; }
.section-head > .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.section-head > h2 { margin-bottom: 0; }
.who { grid-column: 1 / -1; margin: 0; max-width: 80ch; color: var(--mute); border-left: 2px solid var(--ink); padding-left: var(--s-4); }
.who .eyebrow { display: block; margin: 0 0 2px; }
.grid-2, .grid-3 { display: grid; gap: var(--s-6); }
.grid-2 > *, .grid-3 > *, .with-rail > *, .process-grid > *, .scoper > *, .hero .wrap > *, .bento .cell, .doors .door, .offer > * { min-width: 0; }
.excerpt, .table-wrap { max-width: 100%; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.prose { max-width: var(--measure); }
.prose h2 { margin-top: var(--s-8); }
.prose h3 { margin-top: var(--s-6); }
.cols-2 { columns: 2; column-gap: var(--s-7); }
@media (max-width: 699px) { .cols-2 { columns: 1; } }

/* rail layout for long pages */
.with-rail { display: grid; gap: var(--s-6); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 1024px) { .with-rail { grid-template-columns: 200px minmax(0, 1fr); gap: var(--s-8); align-items: start; } .rail { position: sticky; top: calc(var(--header-h) + 24px); } }
.rail ul { list-style: none; padding: 0; margin: 0; display: flex; gap: var(--s-2) var(--s-4); flex-wrap: wrap; }
@media (min-width: 1024px) { .rail ul { flex-direction: column; gap: 0; } }
.rail a { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); text-decoration: none; display: inline-flex; align-items: center; gap: var(--s-2); min-height: 44px; }
.rail a:hover, .rail a[aria-current] { color: var(--ink); }
.rail a::before { content: ""; width: 0.55em; height: 0.55em; border: 1.5px solid currentColor; border-radius: 22%; }
.rail a[aria-current]::before { background: var(--ink); }

/* -------------------------------------------------------------- header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--paper); background-image: var(--grain); border-bottom: 1px solid var(--hairline); }
.site-header .wrap { display: flex; align-items: center; gap: var(--s-4); min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 500; font-stretch: 110%; letter-spacing: -0.01em; font-size: 1.0625rem; margin-right: auto; }
.brand .tld { font-family: var(--font-mono); color: var(--mute); font-size: 0.8125rem; font-stretch: 100%; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: var(--s-1); }
.site-nav a { text-decoration: none; padding: var(--s-2) var(--s-3); min-height: 44px; display: inline-flex; align-items: center; border-radius: var(--pill); color: var(--mute); }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.4em; }
.header-actions { display: flex; align-items: center; gap: var(--s-2); }
.header-actions .nav-toggle { display: none; }
@media (max-width: 1023px) {
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--hairline); padding: var(--s-4) var(--gutter) var(--s-6); }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav a { min-height: 48px; font-size: 1.125rem; color: var(--ink); width: 100%; padding-inline: var(--s-2); border-radius: 0; }
  html[data-nav-open] .site-nav { display: block; }
  .header-actions .nav-toggle { display: inline-flex; }
  .header-actions .btn-primary { display: none; }
}
@media (max-width: 599px) { .header-actions > a.btn-ghost { display: none; } .brand .tld { display: none; } }
.theme-toggle { width: 44px; height: 44px; display: inline-grid; place-items: center; border: 0; background: transparent; border-radius: var(--pill); cursor: pointer; }
.theme-toggle:hover { background: var(--panel); }
.theme-toggle .mark { width: 18px; }
:root[data-theme="dark"] .theme-toggle .mark i:nth-child(2), :root:not([data-theme="light"]) .theme-toggle .mark i:nth-child(2) { background: var(--ink); }
:root[data-theme="dark"] .theme-toggle .mark i:nth-child(4), :root:not([data-theme="light"]) .theme-toggle .mark i:nth-child(4) { background: var(--signal); }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .theme-toggle .mark i:nth-child(2) { background: var(--signal); } :root:not([data-theme="dark"]) .theme-toggle .mark i:nth-child(4) { background: var(--ink); } }

/* ----------------------------------------------------------------- mark */
.mark { display: inline-grid; grid-template-columns: 1fr 1fr; gap: 12%; width: 28px; aspect-ratio: 1; flex: 0 0 auto; }
.mark i { display: block; aspect-ratio: 1; background: var(--ink); border-radius: 22%; }
.mark i:nth-child(2) { background: var(--signal); }
.mark i:nth-child(3) { background: transparent; box-shadow: inset 0 0 0 max(1.5px, 8%) var(--ink); }
.mark--hollow i { background: transparent; box-shadow: inset 0 0 0 max(1.5px, 8%) var(--ink); }
.mark--hollow i:nth-child(2) { background: transparent; }
.brand .mark { view-transition-name: mark; }
.mark--lg { width: clamp(120px, 20vw, 200px); }

/* bits: the icon vocabulary */
.bit { display: inline-block; width: 0.7em; height: 0.7em; border-radius: 22%; background: var(--ink); vertical-align: -0.02em; flex: 0 0 auto; }
.bit--signal { background: var(--signal); }
.bit--hollow { background: transparent; box-shadow: inset 0 0 0 1.5px var(--ink); }
.bit--empty { background: transparent; box-shadow: inset 0 0 0 1px var(--hairline); }
.bit[data-state="off"] { background: transparent; box-shadow: inset 0 0 0 1.5px var(--ink); }
.bits { display: inline-flex; gap: 6px; }
.bits i { width: 12px; height: 12px; border-radius: 22%; background: transparent; box-shadow: inset 0 0 0 1.5px var(--ink); display: block; transition: background var(--t-state) var(--ease); }
.bits i[data-state="on"] { background: var(--ink); box-shadow: none; }
.check-list, .x-list { list-style: none; padding: 0; }
.check-list li, .x-list li { display: flex; gap: var(--s-3); align-items: flex-start; }
.check-list li::before, .x-list li::before { content: ""; flex: 0 0 auto; width: 0.62em; height: 0.62em; margin-top: 0.5em; border-radius: 22%; background: var(--ink); }
.x-list li { color: var(--mute); }
.x-list li::before { background: transparent; box-shadow: inset 0 0 0 1px var(--line); }

/* -------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: 44px; padding: 0 22px; border-radius: var(--pill); border: 1.5px solid var(--ink); background: transparent; color: var(--ink); font-weight: 500; text-decoration: none; cursor: pointer; line-height: 1.2; white-space: nowrap; transition: transform var(--t-hover) var(--ease), background-color var(--t-hover) var(--ease), color var(--t-hover) var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--signal); border-color: var(--signal); color: var(--btn-primary-fg); }
.btn-primary:hover { background: #f0883f; border-color: #f0883f; }
.btn-ink { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--panel); }
.btn-small { min-height: 36px; padding: 0 14px; font-size: 0.875rem; }
.btn[data-mode="email"]::after, .btn[data-mode="stripe"]::after, .btn[data-mode="cal"]::after, .btn[data-mode="calendly"]::after { content: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.btn-note { font-family: var(--font-mono); font-size: 0.75rem; color: var(--mute); }
.chip { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: var(--pill); border: 1.5px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; font-size: 0.9375rem; }
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.link-arrow { font-weight: 500; text-decoration: none; border-bottom: 1.5px solid var(--ink); }
.link-arrow:hover { border-bottom-width: 2px; }

/* segmented control (decision, currency) */
.seg { display: inline-flex; border: 1.5px solid var(--ink); border-radius: var(--pill); padding: 3px; gap: 3px; background: var(--paper); }
.seg label, .seg button { position: relative; display: inline-flex; align-items: center; gap: var(--s-2); min-height: 38px; padding: 0 16px; border-radius: var(--pill); cursor: pointer; font-weight: 500; font-size: 0.9375rem; border: 0; background: transparent; color: var(--ink); }
.seg label .code, .seg button .code { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); }
.seg input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.seg label:has(input:checked), .seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.seg label:has(input:checked) .code { color: var(--paper); }
.seg label:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 2px; }
fieldset.decision { border: 0; padding: 0; margin: var(--s-5) 0 0; }
.seg--small label, .seg--small button { min-height: 32px; padding: 0 12px; font-size: 0.875rem; }
.band { background: var(--panel); border: 1px solid var(--hairline); padding: clamp(24px, 4vw, 48px); display: grid; gap: var(--s-4); }
.band .lede { max-width: 70ch; margin: 0; }
.band .eyebrow { margin: 0; }
fieldset.decision legend { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); margin-bottom: var(--s-2); padding: 0; }
html:not([data-decision="know"]) [data-decision-show="know"] { display: none; }
html[data-decision="know"] [data-decision-show="unsure"] { display: none; }

/* --------------------------------------------------------------- panels */
.panel { background: var(--panel); border: 1px solid var(--hairline); padding: var(--s-5); }
.card { border: 1px solid var(--hairline); padding: var(--s-5); background: transparent; }
.excerpt { background: var(--panel); border: 1px solid var(--hairline); padding: var(--s-4); font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.6; overflow: auto; margin: 0; color: var(--ink); }
.excerpt .c { color: var(--mute); }
.excerpt .k { color: var(--signal-text); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: var(--s-1) var(--s-4); font-family: var(--font-mono); font-size: 0.8125rem; margin: 0; }
.kv dt { color: var(--mute); }
.kv dd { margin: 0; }
.tag { display: inline-block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--signal-text); border: 1px solid currentColor; border-radius: var(--pill); padding: 2px 8px; }
.stamp { display: inline-block; font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal-text); border: 1px solid currentColor; padding: 1px 6px; border-radius: 3px; vertical-align: middle; }

/* ---------------------------------------------------------------- hero */
.hero { padding-block: clamp(48px, 8vw, 128px) clamp(40px, 6vw, 96px); }
.hero .wrap { display: grid; gap: var(--s-7); align-items: center; }
@media (min-width: 1024px) { .hero .wrap { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(48px, 8vw, 128px); } }
.hero-text .eyebrow { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }
.hero-text h1 { margin-bottom: var(--s-5); }
.hero-text .lede { margin-bottom: var(--s-6); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.hero-echo { position: relative; width: min(100%, 360px); margin-inline: auto; }
@media (max-width: 899px) { .hero { padding-bottom: 96px; } }
@media (max-width: 1023px) { .hero-echo { display: none; } .hero-text .eyebrow .mark { display: inline-grid; width: 40px; } }
@media (min-width: 1024px) { .hero-text .eyebrow .mark { display: none; } }
.bitfield { display: grid; grid-template-columns: repeat(var(--cols, 12), 1fr); gap: 4%; width: 100%; aspect-ratio: var(--cols, 12) / var(--rows, 12); }
.bitfield i { display: block; aspect-ratio: 1; border-radius: 22%; background: transparent; box-shadow: inset 0 0 0 1.5px transparent; transition: background-color var(--t-state) var(--ease), box-shadow var(--t-state) var(--ease), transform var(--t-state) var(--ease); }
.bitfield i[data-s="1"] { box-shadow: inset 0 0 0 1.5px var(--ink); }
.bitfield i[data-s="2"] { background: var(--ink); }
.bitfield i[data-s="3"] { background: var(--signal); }
.bitfield i[data-s="4"] { box-shadow: inset 0 0 0 2px var(--signal); }
.bitfield i[data-hot] { transform: scale(0.55); }
.echo-state { position: absolute; left: var(--echo-left, 50%); top: var(--echo-top, 0); width: var(--echo-size, 40%); height: var(--echo-size, 40%); display: grid; place-items: center; font-family: var(--font-mono); font-weight: 600; font-size: clamp(2rem, 5vw, 4rem); color: var(--ink); pointer-events: none; }
html[data-decision="know"] .echo-state { color: var(--paper); }

/* facts row */
.facts { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding: var(--s-4) 0; display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6); font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); align-items: center; }
.facts > span { display: inline-flex; align-items: center; gap: var(--s-2); }
.facts .reply { margin-left: auto; margin-bottom: 0; }
.reply { display: inline-flex; align-items: flex-start; gap: var(--s-2); font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); max-width: none; }
.reply .bit { margin-top: 0.45em; }
.reply .bit { width: 0.6em; height: 0.6em; }

/* ---------------------------------------------------------------- bento */
.bento { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--hairline); }
.bento .cell { padding: var(--s-5); border: 1px solid var(--hairline); margin: -1px 0 0 -1px; display: flex; flex-direction: column; gap: var(--s-3); min-width: 0; }
.bento .cell p { margin-bottom: 0; max-width: 60ch; }
.bento .cell .excerpt { font-size: 0.75rem; }
.bento .cell .cell-line { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); margin-top: auto; }
.bento .cell .btn-row { margin-top: var(--s-2); }
.cell--2x2 { grid-column: span 2; grid-row: span 2; }
.cell--2x1 { grid-column: span 2; }
@media (max-width: 899px) { .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cell--2x2 { grid-row: span 1; } }
@media (max-width: 599px) { .bento { grid-template-columns: 1fr; } .cell--2x2, .cell--2x1 { grid-column: span 1; } }

/* --------------------------------------------------------------- ledger */
.ledger { border-top: 1px solid var(--hairline); }
.ledger-head { display: none; }
@media (min-width: 768px) { .ledger-head { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr) minmax(0, 1.4fr) auto; gap: var(--s-4); padding: var(--s-3) 0; font-family: var(--font-mono); font-size: 0.75rem; color: var(--mute); } }
.offer { border-bottom: 1px solid var(--hairline); padding: var(--s-5) 0; display: grid; gap: var(--s-3); }
@media (min-width: 768px) { .offer { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr) minmax(0, 1.4fr) auto; gap: var(--s-4); align-items: start; } .offer > .offer-more { grid-column: 1 / -1; } }
.offer h3 { font-size: 1.25rem; margin: 0; }
.offer .offer-blurb { color: var(--mute); margin: var(--s-1) 0 0; font-size: 0.9375rem; max-width: 40ch; }
.offer .offer-meta { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); }
.offer .price { font-family: var(--font-mono); font-weight: 600; font-size: 1.125rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.price .price-from, .price .price-per { font-weight: 400; color: var(--mute); font-size: 0.8125rem; }
.offer .offer-cta { display: flex; flex-direction: column; gap: var(--s-2); align-items: flex-start; }
@media (min-width: 768px) { .offer .offer-cta { align-items: flex-end; } }
.offer--highlight { border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); margin-top: -1px; }
.offer-more summary { cursor: pointer; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); min-height: 44px; display: flex; align-items: center; gap: var(--s-2); list-style: none; }
.offer-more summary::-webkit-details-marker { display: none; }
.offer-more summary::before { content: ""; width: 0.6em; height: 0.6em; border-radius: 22%; box-shadow: inset 0 0 0 1.5px var(--ink); }
.offer-more[open] summary::before { background: var(--ink); }
.offer-more summary:hover { color: var(--ink); }
.offer-more .more-grid { display: grid; gap: var(--s-5); padding: var(--s-3) 0 var(--s-2); }
@media (min-width: 900px) { .offer-more .more-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.offer-more h4 { font-family: var(--font-mono); font-size: 0.75rem; color: var(--mute); font-weight: 500; margin-bottom: var(--s-2); }

/* the receipt */
.receipt { font-family: var(--font-mono); font-size: 0.8125rem; display: grid; grid-template-columns: auto 1fr; gap: var(--s-1) var(--s-4); margin: 0; }
.receipt dt { color: var(--mute); white-space: nowrap; }
.receipt dd { margin: 0; }

/* ---------------------------------------------------------------- steps */
.steps { list-style: none; padding: 0; margin: 0; max-width: none; border-top: 1px solid var(--hairline); }
.steps li { display: grid; gap: var(--s-2); padding: var(--s-5) 0; border-bottom: 1px solid var(--hairline); margin: 0; }
@media (min-width: 768px) { .steps li { grid-template-columns: 180px minmax(0, 1fr); gap: var(--s-6); } }
.steps .code { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); display: inline-flex; align-items: center; gap: var(--s-2); }
.steps .code::before { content: ""; width: 0.55em; height: 0.55em; border-radius: 22%; background: var(--ink); }
.steps h3 { font-size: 1.25rem; margin-bottom: var(--s-2); }
.steps p { margin: 0; }
.process-grid { display: grid; gap: var(--s-7); }
@media (min-width: 1024px) { .process-grid { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); align-items: start; } .process-grid .panel { position: sticky; top: calc(var(--header-h) + 24px); } }

/* ------------------------------------------------------------------ faq */
.faq { border-top: 1px solid var(--hairline); max-width: 80ch; }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary { cursor: pointer; list-style: none; display: flex; gap: var(--s-3); align-items: center; min-height: 56px; padding: var(--s-3) 0; font-weight: 500; font-size: 1.0625rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: ""; flex: 0 0 auto; width: 0.62em; height: 0.62em; border-radius: 22%; box-shadow: inset 0 0 0 1.5px var(--ink); }
.faq details[open] summary::before { background: var(--ink); }
.faq details > div, .faq details > p { padding: 0 0 var(--s-5) calc(0.62em + var(--s-3)); }

/* ------------------------------------------------------------ console */
.console { background: var(--panel); border: 1px solid var(--hairline); padding: var(--s-5); display: grid; gap: var(--s-4); }
.console .honest { margin: 0; }
.console-scenarios { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.console-state { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); margin: 0; display: flex; align-items: center; gap: var(--s-2); }
.console-state::before { content: ""; width: 0.6em; height: 0.6em; border-radius: 22%; box-shadow: inset 0 0 0 1.5px var(--ink); }
.console[data-state="running"] .console-state::before { background: var(--ink); box-shadow: none; }
.console[data-state="waiting"] .console-state::before { background: var(--signal); box-shadow: none; }
.console-trace, .console-log { list-style: none; margin: 0; padding: 0; max-width: none; font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.55; }
.console-trace { min-height: 200px; display: grid; gap: var(--s-1); align-content: start; }
.console-trace li { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: var(--s-3); margin: 0; padding: var(--s-1) 0; border-bottom: 1px dotted var(--hairline); }
.console-trace .trace-kind { color: var(--mute); }
.console-trace .trace-gate .trace-kind, .console-trace .trace-gate .trace-msg { color: var(--signal-text); font-weight: 500; }
.console-trace .trace-human .trace-msg { font-weight: 600; }
.console-gate { display: flex; gap: var(--s-3); flex-wrap: wrap; align-items: center; }
.console-log { max-height: 180px; overflow: auto; background: var(--paper); border: 1px solid var(--hairline); padding: var(--s-3); color: var(--mute); }
.console-log li { margin: 0; white-space: pre-wrap; word-break: break-word; }
.console h3 { font-size: 0.8125rem; font-family: var(--font-mono); font-weight: 500; color: var(--mute); margin: 0; }
.console-static { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); }
.js .console-static { display: none; }

.console--compact .console-log, .console--compact h3, .console--compact [data-console-download] { display: none; }
.console--compact .console-trace { min-height: 120px; }

/* -------------------------------------------------------------- scoper */
.scoper { display: grid; gap: var(--s-7); }
@media (min-width: 1024px) { .scoper { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start; } .scoper-result { position: sticky; top: calc(var(--header-h) + 24px); } }
.scoper fieldset { border: 0; padding: 0; margin: 0 0 var(--s-6); }
.scoper legend { font-weight: 500; font-size: 1.25rem; margin-bottom: var(--s-3); padding: 0; display: flex; gap: var(--s-3); align-items: baseline; }
.scoper legend .code { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); }
.tiles { display: grid; gap: var(--s-2); grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.tile { position: relative; display: flex; align-items: center; gap: var(--s-3); min-height: 56px; padding: var(--s-3) var(--s-4); border: 1.5px solid var(--line); cursor: pointer; font-weight: 500; }
.tile small { display: block; font-weight: 400; color: var(--mute); }
.tile input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.tile::before { content: ""; flex: 0 0 auto; width: 0.7em; height: 0.7em; border-radius: 22%; box-shadow: inset 0 0 0 1.5px var(--ink); }
.tile:has(input:checked) { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tile:has(input:checked) small { color: var(--paper); opacity: 0.8; }
.tile:has(input:checked)::before { background: var(--signal); box-shadow: none; }
.tile:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 2px; }
.tile:hover { border-color: var(--ink); }
.scoper-card { border: 1.5px solid var(--ink); padding: var(--s-5); display: grid; gap: var(--s-3); }
.scoper-card h3 { margin: 0; }
.scoper-price { font-family: var(--font-mono); font-size: 1.125rem; font-weight: 600; margin: 0; }
.scoper-timeline { font-weight: 400; color: var(--mute); font-size: 0.8125rem; }
.scoper-notes { font-size: 0.9375rem; color: var(--mute); margin: 0; padding-left: 1.1em; }
.scoper-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.scoper-brief .small { color: var(--mute); margin-bottom: var(--s-2); }
.scoper-wait { color: var(--mute); border: 1px dashed var(--line); padding: var(--s-5); margin: 0; }

/* ---------------------------------------------------------------- forms */
.form { display: grid; gap: var(--s-4); max-width: 560px; }
.form label { font-weight: 500; display: block; margin-bottom: var(--s-1); }
.form input, .form textarea, .form select { width: 100%; font: inherit; color: var(--ink); background: var(--paper); border: 1.5px solid var(--line); padding: 12px 14px; min-height: 48px; border-radius: 0; }
.form textarea { resize: vertical; min-height: 120px; field-sizing: content; }
.form input:focus-visible, .form textarea:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-color: var(--ink); }
.form [aria-invalid="true"] { border-color: var(--error); }
.form .error { color: var(--error); font-size: 0.875rem; }
.form .consent { font-size: 0.8125rem; color: var(--mute); margin: 0; }
.form[data-busy] { opacity: 0.6; pointer-events: none; }
.notice { border: 1.5px solid var(--ink); padding: var(--s-5); max-width: 560px; }
.notice:focus { outline: 2px solid var(--focus); outline-offset: 2px; }
.channels { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s-2); max-width: none; }
.channels li { display: flex; gap: var(--s-3); align-items: center; padding: var(--s-3) 0; border-bottom: 1px solid var(--hairline); margin: 0; }
.channels .code { font-family: var(--font-mono); font-size: 0.75rem; color: var(--mute); width: 70px; flex: 0 0 auto; }

/* ---------------------------------------------------------------- doors */
.doors { display: grid; border: 1px solid var(--hairline); }
@media (min-width: 900px) { .doors { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.door { padding: var(--s-6) var(--s-5); border: 1px solid var(--hairline); margin: -1px 0 0 -1px; display: flex; flex-direction: column; gap: var(--s-3); }
.door h3 { margin: 0; }
.door .list { list-style: none; padding: 0; margin: 0; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); }
.door .list li { display: flex; justify-content: space-between; gap: var(--s-3); padding: var(--s-1) 0; border-bottom: 1px dotted var(--hairline); margin: 0; }
.door .list li b { color: var(--ink); font-weight: 500; }
.door .btn-row { margin-top: auto; padding-top: var(--s-3); }

/* --------------------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--hairline); padding: var(--s-7) 0 calc(var(--s-7) + 72px); font-family: var(--font-mono); font-size: 0.8125rem; color: var(--mute); }
@media (min-width: 900px) { .site-footer { padding-bottom: var(--s-7); } }
.site-footer .row { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); margin-bottom: var(--s-3); align-items: center; }
.site-footer a { color: var(--ink); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .brand { margin-right: var(--s-4); }

/* ----------------------------------------------------------- sticky bar */
.sticky-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; gap: var(--s-3); align-items: center; padding: var(--s-2) var(--s-4) calc(var(--s-2) + env(safe-area-inset-bottom)); background: var(--paper); border-top: 1px solid var(--hairline); transition: transform var(--t-state) var(--ease); }
.sticky-bar .btn-primary { flex: 1; }
.sticky-bar[data-hidden] { transform: translateY(110%); }
@media (min-width: 900px) { .sticky-bar { display: none; } }

/* -------------------------------------------------------------- reveal */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity var(--t-reveal) var(--ease), transform var(--t-reveal) var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ------------------------------------------------------ view transitions */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 200ms; }

/* --------------------------------------------------------- samples list */
.samples { list-style: none; padding: 0; margin: 0; max-width: none; border-top: 1px solid var(--hairline); }
.samples li { display: grid; gap: var(--s-2); padding: var(--s-4) 0; border-bottom: 1px solid var(--hairline); margin: 0; align-items: center; }
@media (min-width: 768px) { .samples li { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr) auto; gap: var(--s-4); } }
.samples .meta { font-family: var(--font-mono); font-size: 0.75rem; color: var(--mute); }
.samples h3 { font-size: 1.0625rem; margin: 0; }

/* ------------------------------------------------------------- tables */
.table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.table th, .table td { text-align: left; padding: var(--s-3) var(--s-2); border-bottom: 1px solid var(--hairline); vertical-align: top; }
.table th { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500; color: var(--mute); }
.table-wrap { overflow-x: auto; }

/* ---------------------------------------------------------------- 404 */
.notfound { text-align: left; padding-block: clamp(64px, 12vw, 160px); }

/* ------------------------------------------------------------- motion off */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  @view-transition { navigation: none; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------- print */
@media print {
  .site-header, .site-footer, .sticky-bar, .hero-echo, .btn, .console-scenarios, .console-gate { display: none !important; }
  html { background: #fff; color: #000; }
  a::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; }
}