:root {
  --paper: #ffffff;
  --paper-deep: #f2f6f3;
  --surface: #ffffff;
  --ink: #12251f;
  --ink-soft: #31473f;
  --muted: #5a6d65;
  --line: #dfe6e1;
  --line-strong: #c3d1c9;
  --teal: #087d6b;
  --teal-bright: #12a88e;
  --mint: #a9ead6;
  --amber: #aa7724;
  --danger: #a44336;
  --dark: #10251f;
  --dark-soft: #17352c;
  --dark-ink: #eef6f1;
  --dark-muted: #a8bcb3;
  --shadow: 0 24px 70px rgba(18, 37, 31, .13);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Aptos Display", "Helvetica Neue", Arial, var(--font);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shell: 1200px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #0d1915;
  --paper-deep: #12211b;
  --surface: #15261f;
  --ink: #e8f1eb;
  --ink-soft: #c5d5cc;
  --muted: #9fb3a8;
  --line: #2c4037;
  --line-strong: #486057;
  --teal: #63d9bc;
  --teal-bright: #80e5ca;
  --mint: #a9ead6;
  --amber: #dfbb70;
  --danger: #f09b8d;
  --dark: #09130f;
  --dark-soft: #11271f;
  --shadow: 0 24px 70px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1rem/1.65 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: var(--teal); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
p, h1, h2, h3, figure { margin: 0; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; }
p { text-wrap: pretty; }
code { font: .88em var(--mono); overflow-wrap: anywhere; }
::selection { color: #10251f; background: #a9ead6; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; border-radius: 4px; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 16px; color: var(--paper); background: var(--ink); transform: translateY(-160%); }
.skip:focus { transform: none; }
.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }
.section { padding: 128px 0; }
.eyebrow { margin-bottom: 22px; color: var(--teal); font: 700 .73rem/1.4 var(--mono); letter-spacing: .15em; text-transform: uppercase; }
.section-heading { margin-bottom: 64px; }
.section-heading h2, .faq-intro h2, .token-story h2 { font-size: clamp(2.5rem, 5vw, 4.75rem); font-weight: 750; line-height: .99; letter-spacing: -.055em; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(260px, .7fr); gap: 80px; align-items: end; }
.split-heading > p { max-width: 42ch; padding-bottom: 5px; color: var(--muted); font-size: 1.05rem; }
.note-label { display: inline-block; color: var(--teal); font: 700 .7rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.inline-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; font-weight: 700; text-decoration: none; }
.inline-link svg { width: 19px; height: 19px; transition: transform .2s ease; }
.inline-link:hover svg { transform: translateX(4px); }

.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent); background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3); }
.header-inner { display: flex; align-items: center; min-height: 76px; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 1.02rem; font-weight: 800; letter-spacing: -.025em; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 31px; height: 31px; color: var(--teal); }
.primary-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.primary-nav a { position: relative; padding: 8px 0; color: var(--ink-soft); font-size: .86rem; font-weight: 650; text-decoration: none; }
.primary-nav a::after { position: absolute; right: 0; bottom: 2px; left: 0; height: 1px; background: var(--teal); content: ""; transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.primary-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.github-link { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink); font-size: .82rem; font-weight: 700; text-decoration: none; }
.github-link:hover { border-color: var(--teal); background: var(--surface); }
.github-link svg { width: 18px; height: 18px; }
.theme-button, .menu-button { display: inline-grid; place-items: center; width: 39px; height: 39px; padding: 0; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink); background: transparent; cursor: pointer; }
.theme-button:hover, .menu-button:hover { border-color: var(--teal); background: var(--surface); }
.theme-button svg, .menu-button svg { width: 19px; height: 19px; }
.icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: block; }
.menu-button { display: none; }

.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 14px 22px; border: 1px solid transparent; border-radius: 6px; font-size: .9rem; font-weight: 750; line-height: 1.2; text-decoration: none; transition: transform .2s ease, background-color .2s ease, border-color .2s ease; }
.button svg { width: 20px; height: 20px; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #f4fbf7; background: #0b7665; box-shadow: 0 10px 30px rgba(8, 125, 107, .17); }
.button-primary:hover { background: #075e51; }
.button-light { color: #10251f; background: #a9ead6; }
.button-light:hover { background: #c3f4e4; }
.button-outline-light { color: #eef6f1; border-color: #557168; background: transparent; }
.button-outline-light:hover { border-color: #a9ead6; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: .9rem; font-weight: 700; text-decoration: none; }
.text-link svg { width: 20px; height: 20px; color: var(--teal); }
.text-link:hover { color: var(--teal); }

.how { border-top: 1px solid var(--line); }
.loop-steps { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; }
.loop-steps li { min-width: 0; padding: 34px 36px 38px 0; border-bottom: 1px solid var(--line-strong); }
.loop-steps li + li { padding-left: 36px; border-left: 1px solid var(--line-strong); }
.step-index { display: flex; align-items: center; justify-content: space-between; margin-bottom: 54px; color: var(--teal); font: 700 .82rem var(--mono); }
.step-index span { color: var(--muted); font-size: .66rem; letter-spacing: .13em; }
.loop-steps h3 { margin-bottom: 16px; font-size: 1.55rem; line-height: 1.15; letter-spacing: -.035em; }
.loop-steps p { min-height: 8.5em; margin-bottom: 25px; color: var(--muted); font-size: .95rem; }
.loop-steps li > code { display: inline-block; padding: 5px 9px; border: 1px solid var(--line); border-radius: 4px; color: var(--teal); background: var(--surface); font-size: .77rem; }

.demo-section { padding: 120px 0; color: var(--ink); background: var(--paper-deep); }
.demo-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 80px; align-items: end; }
.demo-heading h2 { font-size: clamp(2.5rem, 5vw, 4.6rem); font-weight: 750; line-height: 1; letter-spacing: -.055em; }
.demo-heading .eyebrow { color: var(--teal); }
.demo-heading > div:last-child > p { color: var(--muted); }
.demo-meta { display: block; margin-top: 18px; color: var(--teal); font: .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.demo-frame { overflow: hidden; border: 1px solid #365247; border-radius: 8px; background: #10251f; box-shadow: var(--shadow); }
.demo-chrome { display: flex; align-items: center; gap: 7px; min-height: 44px; padding: 0 15px; border-bottom: 1px solid #2d443a; color: #8da49a; font: .67rem var(--mono); }
.demo-chrome > span { width: 8px; height: 8px; border: 1px solid #60776d; border-radius: 50%; }
.demo-chrome b { margin-left: 12px; font-weight: 400; }
.demo-chrome i { margin-left: auto; color: #79d9bd; font-style: normal; letter-spacing: .1em; }
.demo-frame video { width: 100%; height: auto; aspect-ratio: 16 / 9; background: #09130f; }
.demo-frame figcaption { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 20px; color: var(--dark-muted); font-size: .8rem; }
.demo-frame figcaption a { display: inline-flex; align-items: center; gap: 8px; color: #a9ead6; font-weight: 700; text-decoration: none; white-space: nowrap; }
.demo-frame figcaption svg { width: 17px; height: 17px; }
.provenance { display: grid; grid-template-columns: 210px 1fr; gap: 30px; max-width: 990px; margin-top: 30px; }
.provenance .note-label { color: var(--teal); }
.provenance p { color: var(--muted); font-size: .78rem; line-height: 1.7; }

.safety { background: var(--paper-deep); }
.feature-row { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: center; padding: 70px 0; border-top: 1px solid var(--line-strong); }
.feature-row-reverse { grid-template-columns: 1.22fr .78fr; }
.feature-row-reverse .feature-copy { order: 2; }
.feature-row-reverse .feature-media { order: 1; }
.feature-number { display: block; margin-bottom: 28px; color: var(--teal); font: 700 .76rem var(--mono); }
.feature-copy h3, .control-grid h3 { margin-bottom: 18px; font-size: clamp(1.65rem, 2.6vw, 2.35rem); line-height: 1.05; letter-spacing: -.045em; }
.feature-copy > p { color: var(--muted); }
.feature-copy strong { color: var(--ink); }
.feature-media { min-width: 0; }
.feature-media img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 6px; background: #f4f5f1; box-shadow: var(--shadow); }
.feature-media figcaption { margin-top: 12px; color: var(--muted); font: .68rem var(--mono); letter-spacing: .03em; }
.plain-checks { display: grid; gap: 8px; margin: 24px 0 0; padding: 0; list-style: none; }
.plain-checks li { display: flex; align-items: center; gap: 9px; color: var(--ink-soft); font-size: .85rem; }
.plain-checks svg { width: 17px; height: 17px; color: var(--teal); }
.control-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.control-grid article { padding: 36px 34px 20px 0; }
.control-grid article + article { padding-left: 34px; border-left: 1px solid var(--line-strong); }
.control-grid h3 { font-size: 1.45rem; }
.control-grid p { color: var(--muted); font-size: .9rem; }
.control-grid-six article:nth-child(3n+1) { padding-left: 0; border-left: 0; }
.control-grid-six article:nth-child(n+4) { border-top: 1px solid var(--line); }
.usage-notice { margin-top: 44px; }
.usage-notice p { font-size: .82rem; }

.benchmark-section { --chart-grid: #dce7e0; --chart-track: #e8f0eb; --chart-text: #12251f; --chart-muted: #5a6d65; padding: 128px 0; color: var(--ink); background: var(--paper); }
:root[data-theme="dark"] .benchmark-section { --chart-grid: #29443a; --chart-track: #1d372e; --chart-text: #edf7f2; --chart-muted: #a3b8ae; }
.benchmark-section .eyebrow { color: var(--teal); }
.benchmark-section .split-heading > p { color: var(--muted); }
.benchmark { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); box-shadow: var(--shadow); }
.benchmark + .benchmark { margin-top: 32px; }
.benchmark-topline { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 24px 28px; border-bottom: 1px solid var(--line); }
.benchmark-status { display: inline-flex; align-items: center; gap: 9px; color: #dfbb70; font: 700 .7rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.benchmark-status i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.benchmark[data-state="complete"] .benchmark-status { color: var(--teal); }
.benchmark-run { margin-top: 7px; color: var(--muted); font-size: .78rem; }
.benchmark-legend { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font: .68rem var(--mono); }
.benchmark-legend span { display: inline-flex; align-items: center; gap: 8px; }
.benchmark-canvas { overflow-x: auto; padding: 18px 28px 0; }
.pending-grid path { fill: none; stroke: var(--chart-grid); stroke-width: 1; stroke-dasharray: 2 8; }
.metric-name { fill: var(--chart-text); font: 700 16px var(--font); }
.metric-note { fill: var(--chart-muted); font: 11px var(--mono); }
.pending-track { stroke: var(--chart-track); stroke-width: 12; stroke-linecap: round; }
.pending-value { fill: var(--chart-muted); font: 12px var(--mono); }
.chart-grid { stroke: var(--chart-grid); stroke-width: 1; stroke-dasharray: 2 8; }
.chart-zero { stroke: #9db8ab; stroke-width: 1.5; }
.chart-track { fill: var(--chart-track); }
.chart-bar-playwright { fill: #a3aea7; }
.chart-bar-agent { fill: #0a9a80; }
.chart-bar-label { fill: #fff; font: 700 12px var(--mono); pointer-events: none; }
.chart-bar-label-playwright { fill: #12251f; }
.chart-value { fill: var(--chart-text); font: 700 13px var(--mono); }
.chart-scale { fill: var(--chart-muted); font: 10px var(--mono); }
.benchmark > figcaption { display: grid; grid-template-columns: 300px 1fr; gap: 30px; padding: 20px 28px; border-top: 1px solid var(--line); }
.benchmark > figcaption span { color: var(--teal); font: 700 .68rem var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.benchmark > figcaption p { color: var(--muted); font-size: .77rem; }
.benchmark-data { border-top: 1px solid var(--line); }
.benchmark-data summary { padding: 17px 28px; color: var(--muted); font-size: .78rem; font-weight: 700; cursor: pointer; }
.benchmark-data summary:hover { color: var(--teal); }
.benchmark-table-wrap { overflow-x: auto; padding: 0 28px 24px; }
.benchmark table { width: 100%; min-width: 620px; border-collapse: collapse; color: var(--muted); font-size: .76rem; text-align: left; }
.benchmark caption { margin-bottom: 12px; color: var(--muted); text-align: left; }
.benchmark th, .benchmark td { padding: 11px 14px; border: 1px solid var(--line); }
.benchmark thead th { color: var(--teal); font: 700 .66rem var(--mono); text-transform: uppercase; }
.benchmark tbody th { color: var(--ink); }
.benchmark-footnote { max-width: 850px; margin-top: 22px; color: var(--muted); font-size: .76rem; }
.benchmark-footnote a { color: var(--teal); }

.token-section { border-bottom: 1px solid var(--line); }
.token-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: center; }
.token-story > p:not(.eyebrow) { max-width: 46ch; margin-top: 24px; color: var(--muted); }
.token-story strong { color: var(--ink); }
.token-story .caveat { padding-left: 18px; border-left: 3px solid var(--teal); font-size: .88rem; }
.token-chart { padding: 34px; border: 1px solid var(--line-strong); border-radius: 7px; background: var(--surface); box-shadow: var(--shadow); }
.token-chart-head { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--line); color: var(--muted); font: .69rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.token-bars { display: grid; gap: 38px; padding: 45px 0 34px; }
.token-bar-label { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 12px; font-size: .85rem; }
.token-bar-label strong { color: var(--ink); font: 700 1.1rem var(--mono); }
.token-track { display: block; height: 32px; background: var(--paper-deep); }
.token-bar { display: block; width: var(--bar-size); height: 100%; transform-origin: left; transition: transform 1.1s cubic-bezier(.2, .75, .25, 1); }
.token-bar-fai { background: var(--teal); }
.token-bar-snapshot { background: var(--line-strong); transition-delay: .12s; }
.js .token-chart:not(.in) .token-bar { transform: scaleX(0); }
.token-chart.in .token-bar { transform: scaleX(1); }
.token-chart figcaption { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); font: .63rem var(--mono); }
.token-chart figcaption span:nth-child(2) { text-align: center; }

.install-section { background: var(--paper-deep); }
.install-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.install-terminal { overflow: hidden; border: 1px solid #2e483d; border-radius: 7px; color: #dce9e1; background: #10251f; box-shadow: var(--shadow); }
.terminal-head { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 16px; border-bottom: 1px solid #2e483d; color: #8da49a; font: .7rem var(--mono); }
.copy-button { display: inline-flex; align-items: center; gap: 7px; padding: 6px 9px; border: 1px solid #476157; border-radius: 4px; color: #c9dad1; background: transparent; font: .67rem var(--mono); cursor: pointer; }
.copy-button:hover { border-color: #79d9bd; color: #a9ead6; }
.copy-button svg { width: 15px; height: 15px; }
.install-terminal pre { margin: 0; padding: 28px 24px; overflow-x: auto; font: .77rem/1.9 var(--mono); }
.install-terminal code { font: inherit; }
.code-muted { color: #7e9a8e; }
.install-terminal > p { padding: 20px 24px; border-top: 1px solid #2e483d; color: #a8bcb3; font-size: .77rem; }
.install-paths { border-top: 1px solid var(--line-strong); }
.install-paths article { display: grid; grid-template-columns: 36px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid var(--line-strong); }
.path-number { padding-top: 4px; color: var(--teal); font: 700 .7rem var(--mono); }
.install-paths h3 { margin-bottom: 9px; font-size: 1.15rem; letter-spacing: -.025em; }
.install-paths h3 span { display: inline-block; margin-left: 7px; padding: 3px 6px; border-radius: 3px; color: var(--teal); background: color-mix(in srgb, var(--teal) 11%, transparent); font: 700 .56rem var(--mono); letter-spacing: .05em; text-transform: uppercase; vertical-align: middle; }
.install-paths p { color: var(--muted); font-size: .85rem; }
.install-paths a { display: inline-block; margin-top: 12px; font-size: .78rem; font-weight: 700; }

.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro > p:last-child { max-width: 34ch; margin-top: 25px; color: var(--muted); }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { position: relative; padding: 25px 44px 25px 0; font-size: 1.02rem; font-weight: 700; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before, .faq-list summary::after { position: absolute; top: 50%; right: 4px; width: 15px; height: 1.5px; background: var(--teal); content: ""; transition: transform .2s ease; }
.faq-list summary::after { transform: rotate(90deg); }
.faq-list details[open] summary::after { transform: rotate(0); }
.faq-list details[open] summary { color: var(--teal); }
.faq-list details p { max-width: 68ch; padding: 0 35px 26px 0; color: var(--muted); font-size: .92rem; }

.final-section { padding: 110px 0; color: #eef6f1; background: #10251f; text-align: center; }
.final-inner { display: flex; flex-direction: column; align-items: center; }
.final-mark { width: 52px; height: 52px; margin-bottom: 32px; color: #79d9bd; }
.final-section .eyebrow { color: #79d9bd; }
.final-section h2 { font-size: clamp(3rem, 6.5vw, 6.4rem); font-weight: 750; line-height: .94; letter-spacing: -.06em; }
.final-section h2 em { color: #a9ead6; font-style: normal; }
.final-section .button-row { justify-content: center; margin-top: 45px; }
.site-footer { padding: 64px 0 24px; background: var(--paper-deep); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 60px; padding-bottom: 54px; }
.footer-grid > div > p { margin-top: 18px; color: var(--muted); font-size: .8rem; }
.footer-grid nav { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid nav strong { margin-bottom: 8px; color: var(--ink); font: 700 .67rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.footer-grid nav a { color: var(--muted); font-size: .8rem; text-decoration: none; }
.footer-grid nav a:hover { color: var(--teal); text-decoration: underline; }
.footer-notice { display: grid; grid-template-columns: 1fr 220px; gap: 60px; padding: 0 0 34px; }
.footer-notice strong { display: block; margin-bottom: 10px; color: var(--ink); font: 700 .67rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.footer-notice p { max-width: 760px; color: var(--muted); font-size: .76rem; line-height: 1.7; }
.footer-notice nav { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 6px 14px; }
.footer-notice nav strong { flex-basis: 100%; margin-bottom: 2px; }
.footer-notice nav a { color: var(--muted); font-size: .78rem; text-decoration: none; }
.footer-notice nav a:hover { color: var(--teal); text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font: .65rem var(--mono); }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

.nf { min-height: 100svh; display: grid; place-items: center; padding: 40px 20px; text-align: center; }
.nf h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -.05em; }
.nf p { max-width: 48ch; margin: 18px auto 0; color: var(--muted); }
.nf .cta, .cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; padding: 12px 18px; border: 1px solid var(--line-strong); border-radius: 6px; font-weight: 700; text-decoration: none; }
.btn--primary { color: #fff; background: #0b7665; border-color: #0b7665; }
.btn--quiet { color: var(--ink); }
.nf__tab { max-width: 420px; margin: 0 auto 32px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); text-align: left; box-shadow: var(--shadow); }
.nf__bar { display: flex; align-items: center; gap: 7px; padding: 12px; border-bottom: 1px solid var(--line); color: var(--muted); font: .7rem var(--mono); }
.nf__bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.nf__body { display: grid; gap: 10px; padding: 25px; }
.nf__body i { display: block; height: 8px; border-radius: 4px; background: var(--line); }
.nf__blk { width: 70%; height: 24px !important; background: #050807 !important; }

@media (max-width: 1050px) {
  .header-inner { gap: 20px; }
  .primary-nav { gap: 20px; }
  .split-heading, .demo-heading { gap: 45px; }
  .feature-row, .feature-row-reverse { gap: 50px; }
  .token-layout, .faq-layout { gap: 60px; }
  .install-layout { gap: 40px; }
}

@media (max-width: 860px) {
  .shell { width: min(100% - 40px, var(--shell)); }
  .section, .benchmark-section { padding: 90px 0; }
  .demo-section { padding: 90px 0; }
  .header-inner { min-height: 68px; flex-wrap: wrap; }
  .js .header-inner { flex-wrap: nowrap; }
  .js .menu-button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; width: auto; padding: 0 11px; margin-left: auto; }
  .menu-button span { font-size: .75rem; font-weight: 700; }
  .primary-nav { order: 3; flex-basis: 100%; justify-content: space-between; padding-bottom: 12px; }
  .js .primary-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; order: initial; flex-basis: auto; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 20px 18px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .js .primary-nav.open { display: flex; }
  .primary-nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .header-actions { margin-left: 0; }
  .github-link span { display: none; }
  .github-link { padding: 9px; }
  .split-heading, .demo-heading { grid-template-columns: 1fr; gap: 28px; align-items: start; }
  .split-heading > p { max-width: 58ch; }
  .section-heading { margin-bottom: 45px; }
  .loop-steps { grid-template-columns: 1fr; }
  .loop-steps li, .loop-steps li + li { padding: 28px 0; border-left: 0; }
  .step-index { margin-bottom: 22px; }
  .loop-steps p { min-height: 0; }
  .provenance { grid-template-columns: 1fr; gap: 10px; }
  .feature-row, .feature-row-reverse { grid-template-columns: 1fr; gap: 35px; padding: 55px 0; }
  .feature-row-reverse .feature-copy { order: 1; }
  .feature-row-reverse .feature-media { order: 2; }
  .feature-copy { max-width: 620px; }
  .control-grid { grid-template-columns: 1fr; }
  .control-grid article, .control-grid article + article { padding: 28px 0; border-left: 0; }
  .control-grid article + article { border-top: 1px solid var(--line); }
  .benchmark-topline { align-items: flex-start; flex-direction: column; }
  .benchmark > figcaption { grid-template-columns: 1fr; gap: 8px; }
  .token-layout { grid-template-columns: 1fr; gap: 50px; }
  .token-story > p:not(.eyebrow) { max-width: 60ch; }
  .install-layout { grid-template-columns: 1fr; gap: 45px; }
  .faq-layout { grid-template-columns: 1fr; gap: 45px; }
  .faq-intro { position: static; }
  .faq-intro > p:last-child { max-width: 55ch; }
  .footer-grid { grid-template-columns: 1.5fr repeat(3, 1fr); gap: 30px; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 32px, var(--shell)); }
  .section, .benchmark-section, .demo-section { padding: 72px 0; }
  .section-heading h2, .faq-intro h2, .token-story h2, .demo-heading h2 { font-size: clamp(2.35rem, 12vw, 3.5rem); }
  .eyebrow { margin-bottom: 16px; font-size: .65rem; }
  .header-inner { gap: 10px; }
  .brand { gap: 8px; font-size: .92rem; }
  .brand-mark { width: 27px; height: 27px; }
  .menu-button span { display: none; }
  .menu-button { width: 39px; padding: 0; }
  .header-actions { gap: 7px; }
  .button-row { align-items: flex-start; flex-direction: column; gap: 18px; }
  .button { width: 100%; }
  .demo-chrome b { display: none; }
  .demo-chrome i { font-size: .55rem; }
  .demo-frame figcaption { align-items: flex-start; flex-direction: column; gap: 10px; }
  .benchmark-topline, .benchmark > figcaption { padding: 20px; }
  .benchmark-canvas { padding: 14px 20px 0; }
  .benchmark-legend { flex-direction: column; gap: 7px; }
  .benchmark-data summary { padding-inline: 20px; }
  .benchmark-table-wrap { padding-inline: 20px; }
  .token-chart { padding: 22px 18px; }
  .token-chart-head { align-items: flex-start; flex-direction: column; gap: 5px; }
  .token-bar-label { align-items: flex-start; flex-direction: column; gap: 4px; }
  .token-chart figcaption span:nth-child(2) { display: none; }
  .install-terminal pre { padding: 22px 17px; font-size: .68rem; }
  .install-paths article { grid-template-columns: 28px 1fr; gap: 12px; }
  .install-paths h3 span { display: table; margin: 7px 0 0; }
  .final-section { padding: 80px 0; }
  .final-section h2 { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .final-section .button-row { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-grid > div { grid-column: 1 / -1; }
  .footer-grid nav:last-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .footer-notice { grid-template-columns: 1fr; gap: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; transition-delay: 0ms !important; }
  .js .reveal, .js .reveal.in { opacity: 1; transform: none; }
  .js .token-chart:not(.in) .token-bar, .token-chart.in .token-bar { transform: scaleX(1); }
}

/* Public field notes: every chart has a fully rendered, no-JavaScript fallback. */
.evidence-intro { display:grid; grid-template-columns: 210px 1fr; gap: 30px; padding: 26px 0; border-block: 1px solid var(--line-strong); margin-bottom: 32px; }
.evidence-intro p { color: var(--ink-soft); max-width: 86ch; }
.metric-toolbar { display:flex; justify-content:space-between; align-items:center; gap:20px; margin-bottom:22px; }
.metric-toolbar > p { font-weight:700; }
.metric-toolbar [role="group"] { display:flex; padding:4px; border:1px solid var(--line-strong); border-radius:8px; }
.metric-toolbar button { padding:9px 18px; border:0; border-radius:5px; background:transparent; color:var(--ink); cursor:pointer; font-size:.85rem; font-weight:650; }
.metric-toolbar button[aria-pressed="true"] { background:var(--ink); color:var(--paper); }
.metric-caption { color:var(--muted); font-size:.77rem; margin-bottom:22px; }
.pilot-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
.pilot-card { padding:25px; background:var(--surface); border:1px solid var(--line-strong); border-radius:8px; }
.pilot-card-heading { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:32px; }
.pilot-card h3 { font-size:1.5rem; letter-spacing:-.035em; }
.pilot-card-heading > span { color:var(--muted); font: .61rem var(--mono); text-transform:uppercase; }
.pilot-series { margin-top:20px; }
.pilot-series > div:first-child { display:flex; justify-content:space-between; align-items:center; gap:8px; font-size:.73rem; }
.pilot-series strong { font:700 .79rem var(--mono); white-space:nowrap; }
.pilot-track { height:9px; background:var(--paper-deep); margin-top:9px; border-radius:2px; overflow:hidden; }
.pilot-track span { display:block; height:100%; background:var(--teal); }
.playwright .pilot-track span { background:var(--muted); }
.pilot-scale { margin-top:12px; color:var(--muted); font: .6rem var(--mono); text-align:right; }
.pilot-outcome { margin-top:25px; padding-top:22px; border-top:1px solid var(--line); color:var(--ink-soft); font-size:.85rem; line-height:1.65; }
.evidence-verdict { display:grid; grid-template-columns:1fr 1fr; gap:60px; padding:42px 0; }
.evidence-verdict h3 { font-size:clamp(1.6rem,3vw,2.1rem); letter-spacing:-.045em; line-height:1.15; }
.evidence-verdict p { color:var(--muted); font-size:.94rem; }
.pilot-method { border-top:1px solid var(--line-strong); padding:18px 0; }
.pilot-method summary { cursor:pointer; font-weight:700; }
.pilot-method summary::marker { color:var(--teal); }
.method-grid { display:grid; grid-template-columns:1fr 1fr; gap:50px; padding:25px 0; }
.method-grid h3 { font-size:1.05rem; margin:18px 0 9px; }
.method-grid p { color:var(--muted); font-size:.87rem; }
.evidence-links { display:flex; flex-wrap:wrap; gap:16px 32px; font-size:.85rem; }
.pilot-table-wrap { overflow:auto; margin-top:20px; }
.pilot-table-wrap table { width:100%; border-collapse:collapse; font-size:.77rem; font-variant-numeric:tabular-nums; }
.pilot-table-wrap caption { text-align:left; color:var(--muted); padding-bottom:18px; }
.pilot-table-wrap th,.pilot-table-wrap td { text-align:left; padding:12px; border-bottom:1px solid var(--line); white-space:nowrap; }
html:not(.js) .metric-toolbar { display:none; }
html:not(.js) [data-chart-metric][hidden] { display:block !important; margin-top:30px; }
@media(max-width:1000px) { .pilot-grid { grid-template-columns:1fr; } .pilot-card { display:grid; grid-template-columns:1fr 1fr; gap:0 36px; } .pilot-card-heading { grid-column:1/-1; margin-bottom:0; } .pilot-outcome { grid-column:1/-1; } .pilot-scale { grid-column:1/-1; } }
@media(max-width:650px) { .evidence-intro,.evidence-verdict,.method-grid { grid-template-columns:1fr; gap:20px; } .metric-toolbar { align-items:start; flex-direction:column; } .pilot-card { display:block; padding:23px; } .pilot-card-heading { margin-bottom:24px; } .evidence-verdict { padding:32px 0; } }

/* Unpaired field observation, visually separate from the comparison charts. */
.gmail-case { margin-top: 2.5rem; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: 16px; }
.gmail-case h3 { margin: .75rem 0; font-size: clamp(1.4rem, 2.5vw, 2rem); letter-spacing: -.035em; }
.gmail-case > p:not(.eyebrow) { max-width: 78ch; line-height: 1.7; }
.gmail-case .case-basis { font-size: .875rem; color: var(--muted); }
.case-status { display: inline-block; margin: .35rem 0 .35rem .75rem; padding: .3rem .55rem; border: 1px solid currentColor; border-radius: 4px; }