:root {
  color-scheme: light;
  --ink: #1c1b18;
  --muted: #666158;
  --canvas: #fffefa;
  --subtle: #f3f0e8;
  --line: #d8d1c3;
  --clay: #e85d3f;
  --clay-dark: #963113;
  --clay-hover: #d94c36;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: var(--sans); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--clay); outline-offset: 4px; }
h1, h2, h3, p, figure { margin-top: 0; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: .7rem 1rem; color: white; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header, main > section, footer { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { min-height: 74px; display: flex; align-items: center; justify-content: space-between; }
.wordmark { display: inline-flex; align-items: center; gap: .65rem; font-size: .94rem; font-weight: 700; }
.wordmark em { color: var(--muted); font: 500 .7rem/1 var(--mono); font-style: normal; }
.wordmark-mark { width: 32px; height: 32px; display: grid; place-items: center; background: var(--clay); border: 1px solid var(--ink); font: 700 .7rem/1 var(--mono); }
nav { display: flex; align-items: center; gap: clamp(1rem, 2.8vw, 2.2rem); font-size: .8rem; }
nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.spec-link { font-weight: 700; }

.hero { min-height: 500px; padding-top: 4.5rem; padding-bottom: 3.5rem; }
.hero-heading h1 { max-width: 940px; margin-bottom: 3rem; font-size: clamp(2.65rem, 4.4vw, 4rem); line-height: 1.04; letter-spacing: -.05em; }
.hero-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.hero-lede { max-width: 650px; margin-bottom: 0; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.hero-actions { margin-top: 2rem; display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.button { min-height: 44px; display: inline-flex; align-items: center; padding: 0 1rem; border: 1px solid var(--ink); font-size: .82rem; font-weight: 700; }
.button-primary { background: var(--clay); }
.button-primary:hover { background: var(--clay-hover); }
.text-link { width: fit-content; padding-bottom: .12rem; border-bottom: 1px solid currentColor; font-size: .82rem; font-weight: 700; }
.text-link:hover { color: var(--clay-dark); }

.spec-example { margin: 0; border: 1px solid var(--ink); background: var(--subtle); }
.spec-example figcaption { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0 1rem; border-bottom: 1px solid var(--line); color: var(--muted); font: .67rem/1.3 var(--mono); }
.spec-example pre { margin: 0; padding: 1.6rem; overflow-x: auto; background: white; }
.spec-example code { color: var(--ink); font: .73rem/1.75 var(--mono); }
.token-heading { color: var(--clay-dark); }

.guide-hero { width: min(900px, calc(100% - 48px)); margin: 0 auto; padding: 7rem 0; }
.guide-hero h1 { max-width: 780px; margin-bottom: 1.35rem; font-size: clamp(2.7rem, 5vw, 4.6rem); line-height: 1.02; letter-spacing: -.055em; }
.guide-hero > p:not(.eyebrow) { max-width: 680px; margin-bottom: 0; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.eyebrow { margin-bottom: .9rem; color: var(--clay-dark); font: 700 .68rem/1.4 var(--mono); letter-spacing: .07em; text-transform: uppercase; }

.guide-page { background: #ece8df; }
.guide-page .site-header { width: 100%; min-height: 76px; padding-inline: max(24px, calc((100% - 1180px) / 2)); color: white; background: var(--ink); }
.guide-page .wordmark-mark { color: var(--ink); border-color: var(--clay); }
.guide-page .wordmark em { color: #b8b6af; }
.guide-page nav a[aria-current="page"] { padding: .42rem .65rem; color: var(--ink); background: var(--clay); text-decoration: none; }
.guide-page .guide-hero { width: 100%; max-width: none; min-height: 350px; padding: 4.5rem max(24px, calc((100% - 900px) / 2)); color: white; background: var(--ink); }
.guide-page .guide-hero h1 { max-width: 820px; }
.guide-page .guide-hero > p:not(.eyebrow) { color: #d2d0c9; }
.guide-page .guide-hero .eyebrow { color: var(--clay); }
.guide-page .guide-hero .button-primary { color: var(--ink); border-color: var(--clay); }
.guide-page .guide-hero .text-link { color: white; }
.guide-page .guide-hero .text-link:hover { color: var(--clay); }
.guide-page .section { width: min(1180px, calc(100% - 48px)); }
.guide-page .guide-section .section-intro h2 { color: #25241f; }
.guide-page footer { width: 100%; padding-inline: max(24px, calc((100% - 1180px) / 2)); color: #c7c6c0; background: var(--ink); }
.guide-page footer .wordmark { color: white; }

.section { display: grid; grid-template-columns: minmax(240px, .78fr) minmax(0, 1.22fr); gap: clamp(3rem, 9vw, 9rem); padding-top: 3.5rem; padding-bottom: 3.5rem; }
.section-intro h2 { max-width: 660px; margin-bottom: 1.2rem; font-size: clamp(2rem, 3.5vw, 3.35rem); line-height: 1.08; letter-spacing: -.045em; }
.section-intro > p:last-child { max-width: 600px; color: var(--muted); }
.comparison { margin-top: 2.5rem; border-top: 1px solid var(--ink); }
.comparison > div { display: grid; grid-template-columns: 145px 1fr; gap: 1.2rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.comparison > div:last-child { border-bottom-color: var(--ink); }
.comparison-label { color: var(--muted); font: .68rem/1.5 var(--mono); text-transform: uppercase; }
.comparison strong { font-size: .98rem; }
.hero-comparison { margin-top: 2rem; }

.workflow-section { display: block; }
.workflow-section .section-intro { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem, 9vw, 9rem); }
.workflow { margin: 4rem 0 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.workflow li { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 1.5rem; align-items: baseline; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.workflow li:last-child { border-bottom-color: var(--ink); }
.workflow li div { display: contents; }
.workflow strong { font-size: .94rem; }
.workflow p { margin: 0; color: var(--muted); font-size: .9rem; }
.section-actions { margin-top: 2.5rem; display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }

.guide-section.section { display: block; }
.section-heading h2 { max-width: 920px; margin-bottom: 2.75rem; font-size: clamp(2rem, 3.5vw, 3.35rem); line-height: 1.08; letter-spacing: -.045em; }
.section-heading code { color: var(--clay-dark); font: 700 .78em/1.5 var(--mono); overflow-wrap: anywhere; }
.section-detail { display: grid; grid-template-columns: minmax(240px, .78fr) minmax(0, 1.22fr); gap: clamp(3rem, 9vw, 9rem); align-items: start; }
.detail-copy { max-width: 520px; color: var(--muted); }
.detail-copy code { color: var(--clay-dark); font: 700 .78em/1.5 var(--mono); overflow-wrap: anywhere; }
.spec-sample { min-width: 0; align-self: start; border: 1px solid var(--ink); background: white; }
.sample-toolbar { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0 1rem; color: var(--muted); border-bottom: 1px solid var(--line); font: .67rem/1.3 var(--mono); }
.spec-sample pre { margin: 0; padding: 1.6rem; overflow-x: auto; background: var(--subtle); }
.spec-sample code { color: var(--ink); font: .73rem/1.75 var(--mono); }
.tall-sample pre { max-height: 430px; overflow: auto; }
.section-intro code { color: var(--clay-dark); font: 700 .78em/1.5 var(--mono); overflow-wrap: anywhere; }
.onboarding-section { display: block; padding-top: 3.5rem; padding-bottom: 3.5rem; }
.onboarding-intro h2 { max-width: 920px; margin: 0; font-size: clamp(2rem, 3.5vw, 3.35rem); line-height: 1.08; letter-spacing: -.045em; }
.onboarding-intro > p:last-child { max-width: 760px; margin: 1.25rem 0 0; color: var(--muted); font-size: 1rem; }
.onboarding-grid { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 1fr); gap: 1rem; margin-top: 3rem; align-items: stretch; }
.copy-card { min-width: 0; border: 1px solid var(--ink); background: white; }
.copy-card-heading { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); }
.copy-card h3 { margin: .2rem 0 0; font-size: 1rem; line-height: 1.3; }
.step-label { color: var(--muted); font: .65rem/1.3 var(--mono); text-transform: uppercase; }
.copy-link-button { color: var(--ink); background: white; font-family: var(--sans); cursor: pointer; }
.copy-link-button:hover { color: var(--clay-dark); border-color: var(--clay-dark); }
.copy-link-button:focus-visible { outline: 3px solid var(--clay); outline-offset: 3px; }
.copy-code { margin: 0; padding: 1.25rem; color: var(--ink); background: var(--subtle); white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; }
.copy-card code { font: .72rem/1.7 var(--mono); }
.prompt-file-actions { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; padding: 1.35rem 1.2rem; border-bottom: 1px solid var(--line); }
.prompt-file-actions .button-primary { gap: .7rem; }
.prompt-file-actions .button-primary span { font-size: 1rem; }
.prompt-file-note { margin: 0; padding: 1.2rem; color: var(--muted); font-size: .86rem; }
.prompt-file-note code { color: var(--clay-dark); font-weight: 700; }
.project-card { border: 1px solid var(--ink); background: var(--ink); color: white; }
.project-card-heading { display: grid; gap: .3rem; padding: 1rem 1.2rem; border-bottom: 1px solid #4f4d47; }
.project-card .step-label { color: #b9b6ad; }
.project-tree { margin: 0; padding: 1.2rem; overflow-x: auto; color: white; background: var(--ink); white-space: pre; }
.project-tree code { font: .72rem/1.85 var(--mono); }
.copy-status { min-height: 1.3em; margin: .75rem 0 0; color: var(--muted); font-size: .75rem; }
.namespace-note-inline { margin-top: 1.5rem; color: var(--muted); font-size: .88rem; }
.namespace-note-inline strong { color: var(--ink); }
.namespace-note-inline code { font-size: .8em; }
.namespace-note { grid-column: 2; margin: -1.5rem 0 0; color: var(--muted); font-size: .88rem; }
.namespace-note strong { color: var(--ink); }
.namespace-note code { color: var(--clay-dark); font: 700 .72rem/1.5 var(--mono); overflow-wrap: anywhere; }
footer { min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: var(--muted); font-size: .75rem; }
footer p { margin: 0; }

.specification-main { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.specification-intro { max-width: 900px; padding: 4rem 0 2.5rem; }
.specification-intro h1 { margin-bottom: 1.5rem; font-size: clamp(2.8rem, 5vw, 4.8rem); line-height: 1.02; letter-spacing: -.055em; }
.specification-intro > p { max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.specification-intro .text-link { margin-top: 1rem; }
.specification-layout { display: grid; grid-template-columns: 210px minmax(0, 780px); gap: clamp(3rem, 8vw, 7rem); align-items: start; padding: 1rem 0 7rem; }
.specification-toc { position: sticky; top: 2rem; }
.specification-toc > strong { display: block; margin-bottom: 1rem; font-size: .8rem; }
.specification-toc ol { margin: 0; padding: 0; color: var(--muted); font-size: .75rem; list-style: none; }
.specification-toc li { padding: .25rem 0; }
.specification-toc a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.specification-article { min-width: 0; }
.specification-article section { padding: 0; scroll-margin-top: 2rem; }
.specification-article section + section { padding-top: 0; border-top: 0; }
.specification-article section + section h2 { margin-top: 2.5rem; }
.specification-article h2 { margin-bottom: 1.1rem; font-size: clamp(1.4rem, 2.2vw, 1.9rem); line-height: 1.15; letter-spacing: -.025em; }
.specification-article h3 { margin-bottom: .85rem; font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.25; }
.specification-article p, .specification-article li { color: var(--muted); }
.specification-article strong { color: var(--ink); }
.specification-article code { color: var(--clay-dark); font: .83em/1.6 var(--mono); overflow-wrap: anywhere; }
.specification-article pre { margin: 1.5rem 0; padding: 1.4rem; overflow-x: auto; border: 1px solid var(--ink); background: var(--subtle); }
.specification-article pre code { color: var(--ink); font-size: .75rem; overflow-wrap: normal; }
.specification-article li + li { margin-top: .35rem; }

@media (max-width: 860px) {
  .section { grid-template-columns: 1fr; }
  .hero-detail { grid-template-columns: 1fr; }
  .hero { padding-top: 4.5rem; padding-bottom: 3.5rem; }
  .spec-example { max-width: 650px; }
  .workflow-section .section-intro { display: block; }
  .namespace-note { grid-column: 1; margin-top: -1rem; }
  .guide-hero { width: min(100% - 48px, 900px); }
  .guide-page .site-header, .guide-page footer { padding-inline: 24px; }
  .section-detail { grid-template-columns: 1fr; }
  .onboarding-grid { grid-template-columns: 1fr; }
  .specification-layout { grid-template-columns: 1fr; }
  .specification-toc { position: static; padding-bottom: 2.5rem; }
}

@media (max-width: 620px) {
  .site-header, main > section, footer { width: min(100% - 32px, 1180px); }
  .site-header { min-height: 64px; }
  nav a:not(.spec-link) { display: none; }
  .hero { min-height: auto; padding-top: 4rem; padding-bottom: 4rem; }
  .hero h1 { font-size: clamp(2.55rem, 12vw, 3.5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .spec-example figcaption span:last-child { display: none; }
  .spec-example pre { padding: 1.1rem; }
  .spec-example code { font-size: .62rem; }
  .section { gap: 2rem; padding-top: 3.25rem; padding-bottom: 3.25rem; }
  .copy-card-heading { align-items: flex-start; flex-direction: column; }
  .comparison > div { grid-template-columns: 1fr; gap: .35rem; }
  .workflow { margin-top: 2.5rem; }
  .workflow li { grid-template-columns: 1fr; gap: .25rem; }
  .workflow li div { display: block; }
  .workflow p { margin-top: .25rem; }
  .guide-hero { width: min(100% - 32px, 900px); padding-top: 4.5rem; padding-bottom: 4.5rem; }
  .guide-page .site-header, .guide-page footer { padding-inline: 16px; }
  .guide-page .guide-hero { min-height: 330px; width: 100%; padding: 4rem 16px; }
  .spec-sample pre { padding: 1.1rem; }
  .spec-sample code { font-size: .62rem; }
  footer { min-height: 130px; align-items: flex-start; justify-content: center; flex-direction: column; }
  .specification-main { width: min(100% - 32px, 1180px); }
  .specification-intro { padding-top: 3rem; padding-bottom: 2rem; }
  .specification-layout { padding-top: .75rem; padding-bottom: 4.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (prefers-contrast: more) {
  :root { --muted: #3f433f; --line: #777d76; }
}