/* asm.build — plain HTML, system fonts, and one stylesheet.
   Project-wide design decisions live in ../design.md. */

:root {
  color-scheme: light;
  --paper: #f5f5f0;
  --surface: #edeee7;
  --ink: #232820;
  --muted: #62695c;
  --rule: #d4d8cd;
  --rule-strong: #adb6a2;
  --accent: #3f5633;
  --accent-hover: #2e4224;
  --terminal: #232820;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 40px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: #d7dfc5; color: var(--ink); }
.container { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 16px; padding: 10px 16px; background: var(--accent); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Navigation */
.site-header { height: 92px; border-bottom: 1px solid var(--rule); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 44px; }
.wordmark { display: inline-flex; align-items: baseline; font: 700 38px/1 var(--mono); letter-spacing: -3px; }
.wordmark span { margin-left: 3px; color: var(--accent); }
.header-inner nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.header-inner nav a { padding: 12px 0; font-size: 13px; color: var(--muted); }
.header-inner nav a:hover, .footer-links a:hover { color: var(--accent); }
.header-github { display: flex; align-items: center; gap: 22px; border: 1px solid var(--rule-strong); padding: 9px 15px; font-size: 13px; }
.header-github:hover { background: var(--surface); }

/* The package panel explains a contract; it is not a registry result. */
.hero { display: grid; grid-template-columns: 1.16fr 1fr; gap: 72px; align-items: center; padding-block: 96px 100px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 28px; color: var(--muted); font: 10px/1.6 var(--mono); letter-spacing: 1px; }
.signal { display: inline-block; flex: none; width: 5px; height: 5px; background: var(--accent); }
h1 { margin: 0 0 27px; font-size: clamp(62px, 5.9vw, 82px); font-weight: 400; line-height: 1.02; letter-spacing: -4.5px; }
h1 > span { color: var(--accent); }
.hero-description { max-width: 440px; margin: 0 0 14px; font-size: 20px; line-height: 1.5; letter-spacing: -.3px; }
.hero-detail { max-width: 425px; margin: 0; font-size: 14px; line-height: 1.8; color: var(--muted); }
.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 25px; min-height: 47px; padding: 11px 20px; font-size: 13px; font-weight: 500; transition: background .15s; }
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover { background: var(--accent-hover); }
.button > span { font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 500; }
.text-link > span { font-size: 16px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.release-note { display: flex; align-items: center; gap: 10px; margin-top: 27px; color: var(--muted); font: 10px/1.6 var(--mono); }
.small-tag { border: 1px solid var(--rule-strong); padding: 3px 6px; color: var(--accent); font: 9px/1.3 var(--mono); letter-spacing: .4px; white-space: nowrap; }
.hero-visual { position: relative; padding-block: 22px 26px; }
.visual-coordinate { position: absolute; top: -7px; right: 0; color: var(--muted); font: 10px/1.5 var(--mono); }
.package-preview { border: 1px solid var(--rule-strong); background: #eef0e8; }
.preview-topline { display: flex; align-items: center; justify-content: space-between; height: 48px; border-bottom: 1px solid var(--rule-strong); padding-inline: 23px; font: 10px/1.4 var(--mono); letter-spacing: .4px; }
.preview-marker { color: var(--muted); }
.preview-foot { display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--rule-strong); padding: 12px 25px; color: var(--muted); font: 10px/1.5 var(--mono); }
.example-dot { width: 4px; height: 4px; background: var(--muted); }
.visual-caption { position: absolute; bottom: -3px; left: 0; color: var(--muted); font: 10px/1.4 var(--mono); }
.visual-caption > span { margin-right: 9px; }
.workflow-preview .preview-topline h2 { margin: 0; font: inherit; }
.workflow-step { display: flex; gap: 21px; margin-inline: 25px; padding-block: 22px; }
.workflow-step + .workflow-step { border-top: 1px solid var(--rule-strong); }
.workflow-step-number { padding-top: 3px; color: var(--muted); font: 10px/1.6 var(--mono); }
.workflow-step p { margin: 0 0 7px; color: var(--muted); font-size: 12px; }
.workflow-step code { font: 13px/1.8 var(--mono); }
.workflow-step samp { display: block; margin-top: 11px; color: var(--accent); font: 12px/1.8 var(--mono); }
.visual-caption a:hover { text-decoration: underline; text-underline-offset: 3px; }

.principles-band { border-block: 1px solid var(--rule); }
.principles-inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.principles-inner > div { display: flex; align-items: center; gap: 20px; padding-block: 22px; font-size: 12px; }
.principles-inner > div + div { border-left: 1px solid var(--rule); padding-left: 35px; }
.principle-index { color: var(--muted); font: 10px var(--mono); }

/* Practical instructions */
.section { padding-block: 94px; }
.section-intro { max-width: 520px; }
.section .eyebrow { margin-bottom: 18px; }
.section h2 { margin: 0 0 20px; font-size: 44px; font-weight: 400; line-height: 1.15; letter-spacing: -1.8px; }
.section-intro > p:last-child { max-width: 465px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.start-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 45px; margin-top: 36px; }
.terminal { display: flex; flex-direction: column; min-width: 0; background: var(--terminal); color: #f2f4eb; }
.terminal-header { display: flex; align-items: center; justify-content: space-between; height: 51px; border-bottom: 1px solid #48503f; padding-inline: 21px; }
.terminal-label { display: flex; align-items: center; gap: 11px; color: #c4ceba; font: 10px/1.5 var(--mono); letter-spacing: .5px; }
.terminal-prompt { font-size: 13px; }
.copy-button { display: flex; align-items: center; gap: 7px; border: 1px solid transparent; padding: 6px 8px; background: none; color: #c4ceba; cursor: pointer; font: 11px/1.3 var(--mono); }
.copy-button { min-height: 36px; }
.copy-button:hover { border-color: #6c7860; color: #fff; }
.terminal a:focus-visible, .terminal button:focus-visible { outline-color: #d5e3be; }
.terminal pre { flex: 1; margin: 0; padding: 24px 23px 28px; overflow-x: auto; tab-size: 4; }
.terminal pre code { color: #f1f3ec; font: 11px/2.5 var(--mono); }
.code-comment { color: #acba9e; }
.terminal-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid #48503f; padding: 15px 21px; color: #c4ceba; font: 10px/1.5 var(--mono); }
.terminal-status { display: flex; align-items: center; gap: 8px; }
.terminal-status > span { width: 4px; height: 4px; background: #c4ceba; }
.terminal-footer a:hover { color: #fff; }
.terminal-footer a > span { margin-left: 5px; }
.alpha-panel { padding-top: 3px; }
.alpha-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.alpha-heading h3 { margin: 0; font-size: 17px; font-weight: 500; letter-spacing: -.25px; }
.alpha-panel > p { margin: 14px 0 18px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.source-links { list-style: none; margin: 0; padding: 0; }
.source-links li { border-top: 1px solid var(--rule); }
.source-links a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 14px; }
.source-links strong { display: block; font-size: 13px; font-weight: 500; line-height: 1.5; }
.source-links small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.source-links a:hover strong { text-decoration: underline; text-underline-offset: 3px; }
.section-footnote { margin: 22px 0 0; color: var(--muted); font: 10px/1.8 var(--mono); }
.section-footnote a { text-decoration: underline; text-underline-offset: 3px; }

/* Registry records are fetched from the index generated with the release. */
[hidden] { display: none !important; }
.catalog-section { border-top: 1px solid var(--rule); }
.registry-controls { display: grid; grid-template-columns: 1fr 240px; gap: 22px; margin-top: 32px; }
.registry-controls label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.registry-controls input, .registry-controls select { width: 100%; min-height: 46px; border: 1px solid #7b8671; border-radius: 0; padding: 11px 13px; background: transparent; color: var(--ink); font: 14px var(--sans); }
.registry-controls input:focus-visible, .registry-controls select:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.registry-status { margin: 25px 0 17px; color: var(--muted); font: 11px/1.7 var(--mono); }
.package-list { border-top: 1px solid var(--rule-strong); }
.package-record { border-bottom: 1px solid var(--rule-strong); }
.package-record > summary { display: grid; grid-template-columns: 1fr auto; gap: 6px 24px; position: relative; padding: 22px 35px 22px 0; cursor: pointer; list-style: none; }
.package-record > summary::-webkit-details-marker { display: none; }
.package-record > summary:after { content: "+"; position: absolute; right: 0; top: 22px; font: 19px/1.5 var(--mono); }
.package-record[open] > summary:after { content: "−"; }
.package-name { font: 15px/1.5 var(--mono); }
.package-version { align-self: center; color: var(--muted); font: 11px/1.5 var(--mono); }
.package-description { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.package-targets { grid-column: 1 / -1; color: var(--accent); font: 10px/1.7 var(--mono); }
.package-details { padding: 0 0 26px; }
.package-meta { display: flex; flex-wrap: wrap; gap: 12px 26px; border-top: 1px solid var(--rule); padding-top: 18px; color: var(--muted); font-size: 12px; }
.package-meta a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.version-record { border-top: 1px solid var(--rule); margin-top: 20px; padding-top: 15px; }
.version-record > summary { padding-block: 3px; cursor: pointer; font: 12px/1.5 var(--mono); }
.release-state { margin-left: 12px; color: #8b3b24; }
.artifact-list { display: grid; gap: 18px; margin: 18px 0 0; padding: 0; list-style: none; }
.artifact { border-left: 2px solid var(--rule-strong); padding-left: 16px; }
.artifact-title { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin: 0 0 8px; font-size: 13px; }
.artifact-title a { text-decoration: underline; text-underline-offset: 3px; }
.artifact-title span { color: var(--muted); font: 10px/1.7 var(--mono); }
.artifact-digest { display: block; overflow-wrap: anywhere; color: var(--muted); font: 10px/1.8 var(--mono); }
.evidence-record { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 20px 0 0; padding: 0; color: var(--muted); list-style: none; font: 10px/1.8 var(--mono); }
.package-downloads { margin: 15px 0 0; color: var(--muted); font: 10px/1.8 var(--mono); }
.registry-fallback { margin: 22px 0 0; font-size: 12px; color: var(--muted); }
.registry-fallback a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.download-panel { border: 1px solid var(--rule-strong); margin-top: 30px; padding: 23px; background: var(--surface); }
.download-panel h3 { margin: 0 0 10px; font-size: 19px; font-weight: 400; }
.download-panel p { margin: 10px 0; font-size: 13px; color: var(--muted); }
.download-panel .button { margin-block: 8px 16px; }
.download-panel code { display: block; overflow-wrap: anywhere; font: 10px/1.8 var(--mono); }
.download-panel .checksum-label { margin: 0; font: 10px/1.8 var(--mono); color: var(--muted); }
.install-guide { border-top: 1px solid var(--rule-strong); margin-top: 23px; padding-top: 18px; }
.install-guide > summary { cursor: pointer; font-size: 13px; }
.install-guide > p { max-width: 680px; margin: 17px 0; font-size: 13px; line-height: 1.8; color: var(--muted); }
.source-install { margin-top: 28px; }
.command-block { margin-block: 17px; border: 1px solid var(--rule-strong); background: var(--paper); }
.command-block-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--rule); padding: 3px 13px; font: 10px/1.6 var(--mono); color: var(--muted); }
.command-block .copy-button { color: var(--muted); }
.command-block .copy-button:hover { border-color: var(--rule-strong); color: var(--ink); }
.command-block pre { margin: 0; padding: 17px; overflow-x: auto; }
.command-block code, .download-panel .command-block code { display: inline; overflow-wrap: normal; font: 12px/1.8 var(--mono); }
.math-guide > p { max-width: 720px; }
.math-guide > .text-link { margin-top: 10px; }
.reference-page code { overflow-wrap: anywhere; font: 12px/1.8 var(--mono); }
.reference-files { margin: 30px 0; padding: 0; list-style: none; }
.reference-files li { border-top: 1px solid var(--rule); padding-block: 18px; }
.reference-files a { display: block; margin-bottom: 8px; text-decoration: underline; text-underline-offset: 3px; }
.reference-files code { display: block; color: var(--muted); }

/* A ruled ledger, rather than floating cards. */
.package-section { border-block: 1px solid var(--rule); background: var(--surface); }
.section-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.design-label { margin-bottom: 3px; color: var(--muted); font: 10px/1.5 var(--mono); letter-spacing: .7px; }
.contract-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 40px; border-block: 1px solid var(--rule-strong); }
.contract-card { min-width: 0; padding: 28px 28px 28px 0; }
.contract-card + .contract-card { border-left: 1px solid var(--rule-strong); padding-left: 28px; }
.contract-card:last-child { padding-right: 0; }
.card-top { display: flex; align-items: center; justify-content: space-between; height: 28px; margin-bottom: 32px; }
.card-number { color: var(--muted); font: 10px/1.5 var(--mono); }
.card-symbol { color: var(--accent); font: 28px/1 var(--mono); }
.contract-card h3 { margin: 0 0 12px; font-size: 20px; font-weight: 400; line-height: 1.4; letter-spacing: -.4px; }
.contract-card p { min-height: 93px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.token-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.token-row code { border: 1px solid var(--rule-strong); padding: 3px 6px; color: var(--muted); font: 10px/1.4 var(--mono); }
.section-link { margin-top: 27px; }

/* Bounded evidence, with no invented confidence scores. */
.evidence-section { display: grid; grid-template-columns: 1fr 1.08fr; gap: 110px; }
.evidence-intro > p:not(.eyebrow) { max-width: 370px; margin: 0 0 25px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.evidence-intro > .text-link { margin-top: 2px; }
.evidence-note { display: flex; align-items: flex-start; gap: 9px; margin-top: 31px; }
.evidence-note p { margin: 0; color: var(--muted); font: 10px/1.8 var(--mono); }
.outlined-dot { flex: none; width: 7px; height: 7px; margin-top: 5px; border: 1px solid var(--muted); }
.evidence-list article { display: flex; gap: 23px; border-top: 1px solid var(--rule); padding-block: 23px; }
.evidence-list article:first-child { border-top: 0; padding-top: 2px; }
.evidence-list article:last-child { padding-bottom: 0; }
.evidence-number { padding-top: 4px; color: var(--muted); font: 10px/1.7 var(--mono); }
.evidence-list h3 { margin: 0 0 8px; font-size: 19px; font-weight: 400; line-height: 1.4; letter-spacing: -.3px; }
.evidence-list p { margin: 0 0 10px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.evidence-scope { color: var(--accent); font: 10px/1.5 var(--mono); }
.why-section { border-top: 1px solid var(--rule); background: var(--surface); }
.why-grid { display: grid; grid-template-columns: 1fr 1.08fr; gap: 110px; }
.why-copy p { margin: 0 0 18px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.why-copy .text-link { margin-top: 5px; }
.measured-example { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--rule-strong); }
.measured-example h3 { margin: 0 0 12px; font-size: 16px; font-weight: 500; letter-spacing: -.2px; }
.measured-example p { font-size: 14px; }

.roadmap-section { border-block: 1px solid var(--rule); }
.roadmap-section .section-heading-row { align-items: center; }
.roadmap-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 44px 0 0; padding: 0; list-style: none; }
.roadmap-grid li { position: relative; min-width: 0; padding-right: 26px; }
.roadmap-grid li + li { border-left: 1px solid var(--rule); padding-left: 26px; }
.roadmap-status { display: flex; align-items: center; gap: 8px; margin-bottom: 21px; color: var(--muted); font: 10px/1.4 var(--mono); letter-spacing: .6px; }
.roadmap-dot { width: 6px; height: 6px; border: 1px solid var(--muted); }
.current .roadmap-dot { border-color: var(--accent); background: var(--accent); }
.current .roadmap-status { color: var(--accent); }
.roadmap-index { display: block; margin-bottom: 21px; color: #b0b9a6; font: 400 40px/1 var(--mono); letter-spacing: -2px; }
.current .roadmap-index { color: var(--accent); }
.roadmap-grid h3 { margin: 0 0 11px; font-size: 17px; font-weight: 400; line-height: 1.5; letter-spacing: -.3px; }
.roadmap-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.closing { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 87px 90px; }
.closing .eyebrow { margin-bottom: 21px; }
.closing h2 { margin: 0; font-size: 46px; font-weight: 400; line-height: 1.15; letter-spacing: -2px; }
.closing-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 23px; }
.site-footer { border-top: 1px solid var(--rule); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding-block: 30px; }
.footer-inner .wordmark { font-size: 29px; letter-spacing: -2.5px; }
.footer-inner p { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
.footer-links { display: flex; gap: 24px; font-size: 12px; }
.footer-status { display: flex; align-items: center; gap: 9px; color: var(--muted); font: 10px/1.5 var(--mono); }

@media (min-width: 1440px) {
  .container { width: 1200px; }
  .hero { gap: 86px; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .header-inner { gap: 30px; }
  .header-inner nav { gap: 23px; }
  .hero { gap: 37px; padding-block: 76px 82px; }
  h1 { font-size: 70px; letter-spacing: -4px; }
  .hero-description { font-size: 19px; }
  .hero-actions { gap: 19px; }
  .hero-actions .text-link { font-size: 12px; }
  .preview-topline, .preview-foot { padding-inline: 20px; }
  .release-note { font-size: 9px; flex-wrap: wrap; }
  .principles-inner > div { font-size: 11px; gap: 13px; }
  .principles-inner > div + div { padding-left: 26px; }
  .start-grid { gap: 32px; }
  .terminal pre { padding-inline: 18px; }
  .terminal pre code { font-size: 10px; }
  .terminal-footer { font-size: 9px; padding-inline: 18px; }
  .alpha-heading h3 { font-size: 15px; }
  .contract-card { padding-right: 22px; }
  .contract-card + .contract-card { padding-left: 22px; }
  .contract-card p { min-height: 121px; }
  .evidence-section { gap: 70px; }
  .why-grid { gap: 70px; }
  .roadmap-grid li { padding-right: 20px; }
  .roadmap-grid li + li { padding-left: 20px; }
  .roadmap-grid h3 { font-size: 16px; }
}
@media (max-width: 860px) {
  .container { width: calc(100% - 48px); }
  .site-header { height: 78px; }
  .header-inner { gap: 23px; }
  .header-inner nav { gap: 20px; }
  .header-inner nav a { font-size: 12px; }
  .header-inner nav a:nth-child(3) { display: none; }
  .header-github { gap: 13px; padding: 8px 12px; font-size: 12px; }
  .hero { grid-template-columns: 1.02fr 1fr; gap: 27px; padding-block: 64px 70px; }
  h1 { font-size: 58px; letter-spacing: -3px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .5px; margin-bottom: 23px; }
  .hero-description { font-size: 17px; line-height: 1.6; }
  .hero-detail { font-size: 13px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 17px; margin-top: 25px; }
  .button { min-height: 44px; gap: 21px; font-size: 12px; }
  .release-note { row-gap: 7px; margin-top: 24px; }
  .visual-coordinate { font-size: 9px; }
  .preview-topline { padding-inline: 17px; font-size: 9px; }
  .preview-foot { padding-inline: 17px; font-size: 9px; }
  .visual-caption { font-size: 9px; }
  .principles-inner > div { gap: 9px; padding-block: 18px; font-size: 10px; }
  .principles-inner > div + div { padding-left: 18px; }
  .principle-index { font-size: 9px; }
  .section { padding-block: 75px; }
  .section h2 { font-size: 39px; }
  .start-grid { grid-template-columns: 1fr; gap: 30px; }
  .terminal pre { padding: 24px; }
  .terminal pre code { font-size: 12px; }
  .terminal-footer { font-size: 10px; }
  .alpha-panel { display: grid; grid-template-columns: 1fr 1.1fr; column-gap: 45px; }
  .alpha-heading { grid-column: 1; align-self: start; justify-content: flex-start; gap: 13px; }
  .alpha-heading h3 { font-size: 16px; }
  .alpha-panel > p { grid-column: 1; grid-row: 2; align-self: start; margin-top: 10px; }
  .source-links { grid-column: 2; grid-row: 1 / 3; }
  .source-links a { padding-block: 12px; }
  .source-links li:first-child { border-top: 0; }
  .source-links li:first-child a { padding-top: 0; }
  .section-footnote { max-width: 570px; }
  .contract-card { padding-right: 19px; }
  .contract-card + .contract-card { padding-left: 19px; }
  .contract-card h3 { font-size: 17px; }
  .contract-card p { min-height: 145px; font-size: 12px; }
  .token-row { gap: 5px; }
  .token-row code { padding: 3px 5px; font-size: 9px; }
  .card-top { margin-bottom: 28px; }
  .evidence-section { grid-template-columns: 1fr 1.1fr; gap: 45px; }
  .why-grid { grid-template-columns: 1fr 1.1fr; gap: 45px; }
  .evidence-intro > p:not(.eyebrow) { font-size: 14px; }
  .evidence-list article { gap: 16px; }
  .evidence-list p { font-size: 12px; }
  .roadmap-grid { grid-template-columns: 1fr 1fr; gap: 35px 0; }
  .roadmap-grid li, .roadmap-grid li + li { padding: 0 30px 0 0; }
  .roadmap-grid li:nth-child(even) { border-left: 1px solid var(--rule); padding-left: 30px; }
  .roadmap-grid li:nth-child(3) { border-left: 0; }
  .roadmap-status, .roadmap-index { margin-bottom: 16px; }
  .roadmap-grid p { max-width: 300px; }
  .closing { padding-block: 70px; }
  .closing h2 { font-size: 39px; }
  .footer-inner { gap: 20px; }
  .footer-links { gap: 18px; }
  .footer-status { font-size: 9px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 30px; }
  .container { width: calc(100% - 40px); }
  .site-header { height: 74px; }
  .header-inner { gap: 15px; }
  .wordmark { font-size: 33px; }
  .header-inner nav { gap: 17px; }
  .header-inner nav a:nth-child(2), .header-inner nav a:nth-child(4) { display: none; }
  .header-github { font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 43px; padding-block: 47px 56px; }
  .hero-copy { max-width: 500px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .7px; }
  h1 { margin-bottom: 24px; font-size: clamp(59px, 13.8vw, 84px); letter-spacing: -3.4px; }
  .hero-description { max-width: 360px; font-size: 19px; line-height: 1.5; }
  .hero-detail { max-width: 390px; font-size: 14px; }
  .hero-actions { flex-direction: row; align-items: center; gap: 23px; margin-top: 26px; }
  .hero-actions .text-link { font-size: 12px; }
  .release-note { gap: 9px; font-size: 9px; }
  .hero-visual { width: 100%; max-width: 440px; margin-inline: auto; padding-top: 15px; padding-bottom: 23px; }
  .visual-coordinate { top: -8px; font-size: 9px; }
  .preview-topline { padding-inline: 20px; font-size: 10px; }
  .preview-foot { padding-inline: 23px; font-size: 9px; }
  .visual-caption { bottom: -3px; font-size: 9px; }
  .principles-inner { grid-template-columns: 1fr; }
  .principles-inner > div { gap: 18px; padding-block: 14px; font-size: 12px; }
  .principles-inner > div + div { border-top: 1px solid var(--rule); border-left: 0; padding-left: 0; }
  .principle-index { font-size: 10px; }
  .section { padding-block: 58px; }
  .eyebrow { font-size: 10px; letter-spacing: .7px; }
  .section h2 { font-size: 35px; letter-spacing: -1.4px; }
  .section-intro > p:last-child { font-size: 14px; }
  .start-grid { gap: 27px; margin-top: 26px; }
  .terminal-header { height: 48px; padding-inline: 15px; }
  .terminal-label { font-size: 9px; }
  .terminal pre { padding: 20px 16px 23px; }
  .terminal pre code { font-size: 11px; line-height: 2.4; }
  .terminal-footer { padding: 13px 15px; font-size: 9px; }
  .terminal-footer a { white-space: nowrap; }
  .alpha-panel { display: block; }
  .alpha-heading { justify-content: space-between; }
  .alpha-heading h3 { font-size: 17px; }
  .alpha-panel > p { max-width: 420px; margin: 13px 0 20px; font-size: 13px; }
  .source-links li:first-child { border-top: 1px solid var(--rule); }
  .source-links li:first-child a { padding-top: 14px; }
  .source-links a { padding-block: 14px; }
  .source-links strong { font-size: 13px; }
  .source-links small { font-size: 12px; }
  .section-footnote { margin-top: 20px; font-size: 10px; line-height: 1.9; }
  .registry-controls { grid-template-columns: 1fr; gap: 17px; }
  .package-record > summary { gap: 8px 13px; }
  .package-name { font-size: 13px; }
  .package-version { font-size: 10px; }
  .package-description { font-size: 13px; }
  .workflow-step { margin-inline: 23px; gap: 19px; }
  .workflow-step code { font-size: 12px; }
  .download-panel { padding: 20px; }
  .section-heading-row { align-items: flex-start; flex-direction: column; gap: 22px; }
  .design-label { font-size: 10px; }
  .contract-grid { grid-template-columns: 1fr; margin-top: 25px; }
  .contract-card, .contract-card + .contract-card { padding: 26px 0; }
  .contract-card + .contract-card { border-top: 1px solid var(--rule-strong); border-left: 0; }
  .card-top { margin-bottom: 21px; }
  .contract-card h3 { font-size: 21px; }
  .contract-card p { max-width: 380px; min-height: auto; font-size: 14px; }
  .token-row { gap: 7px; margin-top: 20px; }
  .token-row code { font-size: 10px; }
  .section-link { margin-top: 23px; font-size: 13px; }
  .evidence-section { grid-template-columns: 1fr; gap: 35px; }
  .why-grid { grid-template-columns: 1fr; gap: 15px; }
  .why-copy p { font-size: 14px; }
  .evidence-intro > p:not(.eyebrow) { max-width: 420px; }
  .evidence-note { margin-top: 23px; }
  .evidence-list article { gap: 20px; padding-block: 21px; }
  .evidence-list article:first-child { border-top: 1px solid var(--rule); padding-top: 21px; }
  .evidence-list h3 { font-size: 20px; }
  .evidence-list p { font-size: 14px; }
  .evidence-scope { font-size: 10px; }
  .roadmap-section .section-heading-row { align-items: flex-start; }
  .roadmap-grid { gap: 31px 0; margin-top: 35px; }
  .roadmap-grid li, .roadmap-grid li + li { padding-right: 18px; }
  .roadmap-grid li:nth-child(even) { padding-right: 0; padding-left: 18px; }
  .roadmap-status { font-size: 9px; }
  .roadmap-index { font-size: 32px; }
  .roadmap-grid h3 { font-size: 16px; }
  .roadmap-grid p { font-size: 12px; }
  .closing { align-items: flex-start; flex-direction: column; gap: 28px; padding-block: 58px; }
  .closing .eyebrow { margin-bottom: 19px; }
  .closing h2 { font-size: 38px; letter-spacing: -1.6px; }
  .closing-actions { gap: 20px; }
  .footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 25px 20px; padding-block: 27px; }
  .footer-links { align-self: center; gap: 14px; font-size: 11px; }
  .footer-status { grid-column: 1 / -1; border-top: 1px solid var(--rule); padding-top: 18px; font-size: 10px; }
  .footer-inner p { font-size: 10px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .header-inner { gap: 11px; }
  .header-inner nav a { font-size: 11px; }
  .header-github { gap: 9px; padding: 7px 10px; font-size: 11px; }
  .hero-actions { gap: 17px; }
  .hero-actions .text-link { font-size: 11px; }
  .button { gap: 17px; padding-inline: 16px; }
  .preview-foot { font-size: 8px; }
  .terminal-footer { font-size: 8px; }
  .footer-links { gap: 10px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { transition: none !important; animation: none !important; }
}