:root {
  color-scheme: light;
  --ink: #142f3a;
  --muted: #526771;
  --night: #102b35;
  --night-deep: #0a2029;
  --teal: #007b75;
  --mint: #61ddd0;
  --line: #d7e2e5;
  --paper: #ffffff;
  --wash: #f1f6f7;
  --mono: "Cascadia Mono", "Consolas", "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Segoe UI", Arial, sans-serif; font-size: 1rem; line-height: 1.65; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .3em; }
a:focus-visible { outline: 3px solid #e6ac27; outline-offset: 6px; }
button:focus-visible { outline: 3px solid #e6ac27; outline-offset: 4px; }
img { display: block; width: 100%; height: auto; }
figure, h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { line-height: 1.12; overflow-wrap: anywhere; }
h1, h2 { font-weight: 650; letter-spacing: -.04em; }
h2 { font-size: clamp(2.2rem, 3.8vw, 3.35rem); }
h3 { font-size: 1.15rem; letter-spacing: -.01em; font-weight: 650; }
p { text-wrap: pretty; }
::selection { background: var(--mint); color: var(--night); }
.wrap { width: min(1280px, calc(100% - 80px)); margin-inline: auto; }
.hero > *, .section-heading > *, .graphics-grid > *, .text-gallery > *, .technical-notes > *, .project-links > * { min-width: 0; }
.section { padding-block: 96px; }
.section-return { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem 1.5rem; grid-column: 1 / -1; margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .9rem; }
.section-return a { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; color: var(--teal); font-weight: 600; }
.text-section .section-return { border-color: #34515b; }
.text-section .section-return a { color: var(--mint); }
.eyebrow { margin-bottom: 1.35rem; color: var(--teal); font: 600 .82rem/1.5 var(--mono); letter-spacing: .08em; }
.opening { background: var(--night); color: #f6fbfc; }
.skip-link { position: absolute; z-index: 10; top: -6rem; left: 1rem; padding: .7rem 1rem; background: white; color: var(--night); }
.skip-link:focus { top: 1rem; }
.site-header { min-height: 104px; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 1.2rem; border-bottom: 1px solid #34515b; }
.wordmark { display: inline-flex; align-items: center; font: 700 1.65rem/1 var(--mono); letter-spacing: -.06em; text-decoration: none; white-space: nowrap; }
.wordmark-four { color: var(--mint); margin-inline: .13em; font-weight: 400; }
.wordmark-block { display: inline-block; width: .36em; height: .68em; margin-left: .3em; background: var(--mint); }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); }
nav a { padding-block: .6rem; text-decoration: none; font-size: .94rem; color: #dce8eb; }
nav a:hover { color: var(--mint); text-decoration: underline; }
nav a[aria-current="page"] { color: var(--mint); text-decoration: underline; }
.site-header > .wordmark { flex-shrink: 0; }
.site-header > nav { flex-wrap: nowrap; justify-content: center; gap: .5rem; }
.site-header > nav a { min-height: 44px; font-size: .9rem; white-space: nowrap; }
.language-switcher { display: flex; gap: .25rem; }
.language-switcher a { display: inline-flex; align-items: center; gap: .35rem; min-height: 44px; padding: .35rem .45rem; border: 1px solid transparent; border-radius: 4px; color: #dce8eb; text-decoration: none; font-size: .8rem; }
.language-switcher a[aria-current="true"] { border-color: #57717b; color: var(--mint); background: #244550; }
.language-switcher a:hover { background: #244550; }
.language-switcher img { width: 24px; height: 16px; flex: 0 0 auto; }
html[lang="el"] .hero-title .hero-tagline { font-size: min(.58em, 6.3cqw); }
html[lang="el"] .hero-title { font-size: clamp(2.4rem, 3.65vw, 3.65rem); }
.hero { display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 5%; padding-block: 78px 82px; }
.hero .eyebrow { color: var(--mint); }
.hero-copy { container-type: inline-size; }
h1 { font-size: clamp(2.9rem, 4.7vw, 4.8rem); line-height: 1.06; }
h1 span { display: inline-block; margin-top: .12em; color: var(--mint); }
.hero-title { overflow-wrap: normal; word-break: normal; }
.hero-title .hero-tagline { display: block; margin-top: .4em; font-size: .6em; font-size: min(.62em, 7.6cqw); line-height: 1.2; white-space: nowrap; }
.hero-intro { max-width: 32rem; margin-top: 1.8rem; color: #c2d4da; font-size: 1.1rem; line-height: 1.7; }
.hero-links { display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem 1.8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.7rem; background: var(--mint); color: var(--night-deep); padding: .85rem 1.15rem; text-decoration: none; font-weight: 650; }
.button:hover { background: #9cf2e8; }
.text-link { font-weight: 600; }
.light-link { color: #f2fafb; }
.figure-label { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .3rem 1rem; padding-bottom: .8rem; color: #b5cbd2; font: .75rem/1.6 var(--mono); letter-spacing: .04em; }
.hero-figure .image-link { border: 1px solid #57717b; box-shadow: 0 20px 44px #0003; }
.image-link { display: block; background: #101718; }
.image-link:hover { outline: 2px solid var(--teal); outline-offset: 4px; }
.hero-figure figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .4rem; padding-top: 1rem; color: #c2d4da; font-size: .82rem; }
.hero-figure figcaption span { color: #9bb8c1; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid #34515b; padding-block: 29px 35px; }
.facts > div { padding-inline: 1.8rem; border-left: 1px solid #34515b; }
.facts > div:first-child { padding-left: 0; border-left: 0; }
.facts strong { display: block; font-size: clamp(1.2rem, 2vw, 1.65rem); font-weight: 600; letter-spacing: -.025em; }
.facts span { display: block; color: #aac4cc; font-size: .87rem; margin-top: .2rem; }
.section-heading { display: grid; grid-template-columns: 1.2fr 1fr; gap: 8%; align-items: end; margin-bottom: 3rem; }
.section-heading > p { color: var(--muted); font-size: 1.04rem; max-width: 36rem; }
.section-heading .eyebrow { margin-bottom: 1rem; }
.ais-section { background: var(--wash); border-bottom: 1px solid var(--line); }
.ais-introduction { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 8%; align-items: start; }
.ais-copy p + p { margin-top: 1.2rem; }
.ais-reports { padding: 1.5rem 2rem; background: var(--paper); border-top: 2px solid var(--teal); }
.ais-reports h3 { font-size: 1.4rem; }
.ais-reports dl { margin: 1rem 0; }
.ais-reports dl > div { padding-block: .65rem; border-bottom: 1px solid var(--line); }
.ais-reports dt { font-weight: 650; }
.ais-reports dd { margin: .2rem 0 0; color: var(--muted); }
.ais-reports > p, .ais-references { color: var(--muted); font-size: .9rem; }
.ais-project { margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.ais-project .eyebrow { margin-bottom: 1rem; }
.ais-project > h3 { max-width: 40rem; font-size: clamp(1.65rem, 3vw, 2.2rem); }
.ais-project > p:not(.eyebrow) { max-width: 58rem; margin-top: 1.25rem; }
.ais-project-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; margin-block: 2rem; }
.ais-project-steps h4 { font-size: 1.18rem; }
.ais-project-steps p { margin-top: .75rem; color: var(--muted); }
.ais-references { margin-top: 2rem; }
.ais-project a, .ais-references a { color: var(--teal); }
.graphics-grid { display: grid; grid-template-columns: 1.38fr 1fr; align-items: start; gap: 3rem; }
.graphics-grid .image-link { border: 1px solid var(--line); }
.graphics-side { display: grid; gap: 2.5rem; }
.selection-feature { margin-bottom: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.selection-feature figcaption { color: var(--muted); font-size: .85rem; }
.selection-copy h3 { margin-top: .7rem; font-size: clamp(1.5rem, 2.5vw, 2rem); }
.selection-copy > p:not(.eyebrow) { margin-top: 1.2rem; }
.selection-copy a { color: var(--teal); }
figcaption { padding-top: 1rem; }
figcaption p { margin-top: .55rem; color: var(--muted); font-size: .95rem; }
.feature-figure figcaption, .text-gallery figcaption { display: flex; align-items: baseline; gap: 1.1rem; }
.caption-index { flex: 0 0 auto; color: var(--teal); font: .83rem/1.6 var(--mono); }
.feature-figure h3 { font-size: 1.45rem; }
.feature-figure figcaption { padding-top: 1.4rem; }
.text-section { background: var(--night-deep); color: #f0f8fa; }
.text-section .eyebrow, .text-section .caption-index { color: var(--mint); }
.text-section .section-heading > p, .text-section figcaption p { color: #b4cad2; }
.text-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.75rem 3rem; }
.text-gallery .image-link { padding: 12px; background: #000; border: 1px solid #33515a; }
.text-gallery img { aspect-ratio: 1.48; object-fit: contain; }
.text-gallery figcaption { border-bottom: 1px solid #29434c; padding-bottom: 1.5rem; }
.data-path { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--teal); border-bottom: 1px solid var(--line); }
.data-path li { padding: 1.6rem 1.8rem 1.8rem; border-right: 1px solid var(--line); }
.data-path li:first-child { padding-left: 0; }
.data-path li:last-child { border: 0; }
.data-path span { display: block; margin-bottom: 1.2rem; font: .8rem/1.5 var(--mono); color: var(--teal); }
.data-path strong { display: block; font-size: 1.18rem; }
.data-path p { color: var(--muted); margin-top: .35rem; font-size: .91rem; }
.technical-notes { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2.5rem; margin-top: 3rem; }
.technical-notes p { margin-top: 1rem; color: var(--muted); }
.requirements { border-left: 2px solid var(--teal); padding-left: 1.5rem; }
.requirements ul { margin: 1rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.requirements li { margin-block: .35rem; padding-left: .2rem; }
.requirements li::marker { color: var(--teal); }
.requirements > p { margin-top: 1rem; color: var(--muted); }
.basic8-section { margin-top: 3rem; padding: 2rem; background: var(--wash); border-top: 1px solid var(--line); }
.basic8-section .section-heading { margin-bottom: 2rem; }
.basic8-section .section-heading h3 { font-size: clamp(1.65rem, 3vw, 2.2rem); }
.basic8-content { display: grid; grid-template-columns: 1.2fr 1fr; gap: 8%; }
.basic8-content > * { min-width: 0; }
.basic8-copy h4, .basic8-downloads h4 { font-size: 1.25rem; font-weight: 650; }
.basic8-copy p, .basic8-downloads > p { margin-top: 1rem; color: var(--muted); }
.basic8-downloads { border-left: 2px solid var(--teal); padding-left: 1.5rem; }
.basic8-downloads ul { list-style: none; margin: .75rem 0 0; padding: 0; }
.basic8-downloads li { border-bottom: 1px solid var(--line); padding-block: .9rem; }
.basic8-downloads li > a { color: var(--teal); font-weight: 600; }
.basic8-downloads li > span { display: block; margin-top: .35rem; color: var(--muted); font-size: .88rem; }
.hardware-section { border-top: 1px solid var(--line); }
.tutorials-section { margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.tutorials-section > h3 { font-size: clamp(1.65rem, 3vw, 2.2rem); }
.tutorials-section > p:not(.eyebrow) { max-width: 44rem; margin-top: 1rem; color: var(--muted); }
.tutorial-card { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 2.5rem; align-items: center; margin-top: 2rem; }
.tutorial-card + .tutorial-card { margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.tutorial-card h4 { font-size: 1.55rem; }
.tutorial-card h4 a { text-decoration: none; }
.tutorial-card h4 a:hover { text-decoration: underline; }
.tutorial-card p:not(.eyebrow) { margin-top: 1rem; color: var(--muted); }
.tutorial-card .text-link { display: inline-block; margin-top: 1.25rem; color: var(--teal); }
.tutorial-preview { min-width: 0; padding: clamp(1rem, 3vw, 2rem); background: var(--night-deep); color: var(--mint); }
.tutorial-preview > span { font: .73rem/1.6 var(--mono); letter-spacing: .06em; color: #b5cbd2; }
.tutorial-preview pre { margin: 1.4rem 0; white-space: pre-wrap; font: clamp(.85rem, 1.4vw, 1.1rem)/1.9 var(--mono); }
.tutorial-card .tutorial-preview p { color: #b5cbd2; font-size: .85rem; }
.hardware-checker { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 2rem; margin-bottom: 3rem; padding: clamp(1.2rem, 3vw, 2rem); border-left: 3px solid var(--teal); background: var(--wash); }
.hardware-checker > div { flex: 1 1 26rem; min-width: 0; }
.hardware-checker h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
.hardware-checker p:not(.eyebrow) { max-width: 42rem; margin-top: .75rem; color: var(--muted); }
.hardware-checker > .button { flex: 0 1 auto; }
.hardware-machine { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
.hardware-machine > *, .hardware-options > * { min-width: 0; }
.hardware-machine .image-link { background: white; border: 1px solid var(--line); }
.hardware-machine figcaption { font-weight: 600; }
.photo-credit { display: block; margin-top: .45rem; color: var(--muted); font-size: .78rem; font-weight: 400; line-height: 1.6; }
.photo-credit a { text-underline-offset: .2em; }
.hardware-intro h3 { font-size: 1.8rem; }
.hardware-intro p { margin-top: 1.2rem; color: var(--muted); }
.hardware-memory-note { margin-top: 2.5rem; padding: 1.7rem 2rem; border-left: 3px solid var(--teal); background: var(--wash); }
.hardware-memory-note p { margin-top: .75rem; max-width: 65rem; }
.hardware-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem; margin-top: 3rem; }
.hardware-option { border-top: 2px solid var(--teal); padding-top: 1.4rem; }
.hardware-option > .eyebrow { margin-bottom: .8rem; }
.hardware-option > h3 { font-size: 1.8rem; margin-bottom: 1.5rem; }
.hardware-option .image-link { display: flex; align-items: center; justify-content: center; background: white; border: 1px solid var(--line); height: 340px; padding: 1rem; }
.hardware-option img { width: 100%; height: 100%; object-fit: contain; }
.hardware-option figcaption { padding-top: .5rem; }
.hardware-option > p:not(.eyebrow) { color: var(--muted); margin-top: 1.2rem; }
.hardware-option > .text-link { display: inline-block; margin-top: 1.25rem; color: var(--teal); }
.hardware-emulator-link { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.5rem; }
.hardware-emulator-link a { color: var(--teal); }
.archive-section { background: var(--wash); border-block: 1px solid var(--line); }
.archive-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.archive-gallery .image-link { border: 1px solid #b9c8cc; }
.archive-gallery figcaption { display: flex; justify-content: space-between; gap: .4rem 1rem; flex-wrap: wrap; font-size: .94rem; font-weight: 600; }
.archive-gallery figcaption span { color: var(--muted); font-weight: 400; font-size: .82rem; }
.credits-section { background: var(--wash); border-top: 1px solid var(--line); }
.credits-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem; }
.credit-entry { min-width: 0; border-top: 2px solid var(--teal); padding-top: 1.4rem; }
.credit-entry-wide { grid-column: 1 / -1; border-top: 0; }
.credit-entry-wide > p { max-width: 65rem; }
.credit-entry > .eyebrow { margin-bottom: .8rem; }
.credit-entry h3 { font-size: 1.6rem; }
.credit-entry > p:not(.eyebrow) { margin-top: 1rem; color: var(--muted); }
.credit-links { list-style: none; margin: 1.25rem 0 0; padding: 0; }
.credit-links a { display: inline-block; padding-block: .55rem; color: var(--teal); font-weight: 600; }
.credits-note { margin-top: 2.5rem; max-width: 65rem; color: var(--muted); font-size: .95rem; }
.credits-note a { color: var(--teal); }
.development-note, .licence-note { max-width: 65rem; margin-top: 2.5rem; }
.project-links { display: grid; grid-template-columns: .95fr 1.05fr; gap: 0 6%; }
.project-links > div > p:not(.eyebrow) { margin-top: 1.35rem; max-width: 26rem; color: var(--muted); }
.project-contact { margin-top: 2rem; }
.contact-links { list-style: none; margin: .7rem 0 0; padding: 0; }
.contact-links a { display: inline-block; padding-block: .55rem; color: var(--teal); font-weight: 600; overflow-wrap: anywhere; }
.project-link { display: flex; align-items: center; justify-content: space-between; gap: 1.2rem; text-decoration: none; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.project-link:first-child { border-top: 1px solid var(--line); }
.link-kind { display: block; color: var(--teal); margin-bottom: .65rem; font: .78rem/1.6 var(--mono); letter-spacing: .05em; }
.project-link h3 { font-size: 1.45rem; }
.project-link p { margin-top: .55rem; color: var(--muted); }
.link-arrow { font-size: 1.8rem; color: var(--teal); }
.project-link:hover h3 { text-decoration: underline; text-underline-offset: .2em; }
.project-support { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) 256px; align-items: center; gap: 2rem 3rem; margin-top: 3rem; padding: 2rem; background: var(--wash); border-top: 2px solid var(--teal); }
.support-copy { min-width: 0; }
.support-copy .eyebrow { margin-bottom: .8rem; }
.support-copy h3 { font-size: clamp(1.6rem, 3vw, 2rem); }
.support-copy > p:not(.eyebrow) { max-width: 38rem; margin-top: 1rem; color: var(--muted); }
.coffee-button { display: inline-block; width: 18rem; max-width: 100%; margin-top: 1.5rem; }
.support-direct-link a { display: inline-block; padding-block: .5rem; color: var(--teal); font-size: .9rem; font-weight: 600; overflow-wrap: anywhere; }
.support-qr { width: min(256px, 100%); }
.support-qr > a { display: block; padding: 28px; background: white; }
.support-qr figcaption { padding-top: .75rem; color: var(--muted); font-size: .85rem; text-align: center; }
.site-footer { background: var(--night); color: #e7f2f5; }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 2.2rem; }
.site-footer .wordmark { font-size: 1.25rem; }
.site-footer p, .site-footer > div > a:last-child { color: #b5ccd3; font-size: .9rem; }
.broadcast-open { overflow: hidden; }
.broadcast-dialog { width: min(960px, calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 32px); padding: 0; margin: auto; border: 1px solid #57717b; border-radius: 8px; background: var(--night); color: #f6fbfc; box-shadow: 0 24px 80px #0008; overflow: auto; }
.broadcast-dialog:not([open]) { display: none; }
.broadcast-dialog::backdrop { background: #03151dcc; }
.broadcast-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 1.2rem; }
.broadcast-heading h2 { font-size: clamp(1rem, 3vw, 1.35rem); letter-spacing: -.02em; }
.broadcast-close { display: inline-flex; align-items: center; gap: .6rem; flex: 0 0 auto; min-height: 44px; padding: .45rem .8rem; border: 1px solid #57717b; border-radius: 4px; background: transparent; color: #f6fbfc; font: 600 .9rem/1.2 "Segoe UI", Arial, sans-serif; cursor: pointer; }
.broadcast-close:hover { background: #244550; }
.broadcast-close span { font-size: 1.5rem; font-weight: 400; }
.broadcast-video { width: 100%; aspect-ratio: 16 / 9; min-height: 200px; background: #000; }
.broadcast-video iframe { display: block; width: 100%; height: 100%; min-height: 200px; border: 0; }
.broadcast-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; padding: 1rem 1.2rem; font-size: .85rem; color: #b5ccd3; }
.broadcast-footer a { color: var(--mint); }

.guide-intro { padding-block: 64px 72px; }
.guide-home-link { display: inline-block; margin-bottom: 2rem; color: #dce8eb; font-size: .9rem; }
.guide-intro .eyebrow { color: var(--mint); }
.guide-intro .hero-intro { max-width: 46rem; }
.guide-context { max-width: 46rem; margin-top: 1.25rem; color: #b5ccd3; font-size: .93rem; }
.guide-steps { gap: .5rem 2rem; padding-block: 1.5rem; border-bottom: 1px solid var(--line); }
.guide-steps a { color: var(--ink); font-weight: 600; }
.guide-steps a:hover { color: var(--teal); }
.guide-steps span { color: var(--teal); font: .8rem/1.5 var(--mono); margin-right: .45rem; }
.setup-step { padding-block: 64px; border-bottom: 1px solid var(--line); }
.setup-step:last-child { border-bottom: 0; }
.setup-step > .eyebrow { margin-bottom: .9rem; }
.setup-step h2 { margin-bottom: 1.5rem; }
.setup-copy { max-width: 49rem; min-width: 0; }
.setup-copy > * + * { margin-top: 1.2rem; }
.setup-copy a { color: var(--teal); }
.settings-path { margin-bottom: 2rem; font-weight: 600; color: var(--muted); }
.settings-path span { color: var(--teal); margin-inline: .35rem; }
.setup-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: start; gap: 3rem; }
.settings-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.settings-table caption { text-align: left; font-weight: 650; padding-bottom: .6rem; }
.settings-table th, .settings-table td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: .65rem .8rem; }
.settings-table th { width: 45%; padding-left: 0; font-weight: 600; }
.settings-table td { padding-right: 0; }
.guide-content code { font: .93em/1.6 var(--mono); overflow-wrap: anywhere; }
.setup-note { background: var(--wash); padding: 1rem 1.2rem; border-left: 3px solid var(--teal); font-size: .95rem; }
.setup-figure { min-width: 0; }
.setup-figure .image-link { border: 1px solid #b9c8cc; background: var(--wash); }
.setup-figure figcaption { color: var(--muted); font-size: .9rem; }
.setup-list { padding-left: 1.4rem; margin-bottom: 0; }
.setup-list li { padding-left: .3rem; margin-block: .7rem; }
.setup-list li::marker { color: var(--teal); font-weight: 600; }
.setup-code { background: var(--night-deep); color: #effafa; padding: 1.2rem 1.5rem; white-space: pre-wrap; }
.guide-content kbd { font: .85em/1.6 var(--mono); background: var(--wash); border: 1px solid var(--line); border-bottom-width: 2px; padding: .15rem .4rem; }
.guide-reference { border-top: 1px solid var(--line); padding-top: 1.25rem; color: var(--muted); font-size: .9rem; }

@media (min-width: 1440px) { .hero { padding-block: 90px; } }
@media (max-width: 90rem) {
  .site-header { min-height: 0; gap: .75rem 1rem; padding-block: 1rem; }
  .site-header > .wordmark { grid-column: 1; grid-row: 1; }
  .site-header > .language-switcher { grid-column: 3; grid-row: 1; }
  .site-header > nav { grid-column: 1 / -1; grid-row: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; gap: 0 1rem; padding-top: .5rem; border-top: 1px solid #34515b; }
  .site-header > nav a { display: flex; align-items: center; gap: .35em; white-space: normal; }
}
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 48px); }
  .hero { grid-template-columns: 1fr 1.05fr; gap: 3%; }
  h1 { font-size: clamp(2.6rem, 4.7vw, 3.5rem); }
  .hero-links { gap: 1rem; }
  .section { padding-block: 72px; }
  .graphics-grid, .text-gallery { gap: 2rem; }
  .technical-notes { gap: 1.8rem; }
  .facts > div { padding-inline: 1rem; }
  .setup-grid { gap: 2rem; }
  .hardware-machine, .hardware-options { gap: 2rem; }
}
@media (max-width: 760px) {
  .tutorial-card { grid-template-columns: 1fr; gap: 1.5rem; }
  .site-header > nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  nav { width: 100%; flex-wrap: wrap; gap: .2rem 1.35rem; }
  nav a { font-size: .9rem; }
  .hero { grid-template-columns: 1fr; padding-block: 48px; gap: 3rem; }
  h1 { font-size: clamp(2.8rem, 7.5vw, 4rem); }
  .hero-intro { max-width: 38rem; }
  .hero-figure { max-width: 42rem; width: 100%; }
  .facts { grid-template-columns: 1fr 1fr; gap: 1.7rem 0; }
  .facts > div:nth-child(3) { border: 0; padding-left: 0; }
  .section-heading, .graphics-grid, .technical-notes, .project-links { grid-template-columns: 1fr; gap: 1.7rem; }
  .section-heading { margin-bottom: 2.2rem; }
  .ais-introduction, .ais-project-steps { grid-template-columns: 1fr; gap: 1.7rem; }
  .graphics-side { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .text-gallery { gap: 2rem 1.5rem; }
  .data-path { grid-template-columns: 1fr 1fr; }
  .data-path li { padding-inline: 1.25rem; }
  .data-path li:nth-child(2) { border-right: 0; }
  .data-path li:nth-child(3), .data-path li:nth-child(4) { border-top: 1px solid var(--line); }
  .data-path li:nth-child(3) { padding-left: 0; }
  .technical-notes { gap: 2rem; }
  .requirements { margin-top: .3rem; }
  .project-links { gap: 2.5rem; }
  .project-support { grid-template-columns: 1fr; margin-top: 0; }
  .guide-intro { padding-block: 48px; }
  .setup-grid { grid-template-columns: 1fr; }
  .setup-step { padding-block: 48px; }
  .hardware-machine, .hardware-options { grid-template-columns: 1fr; }
  .hardware-option .image-link { height: 360px; }
  .basic8-content { grid-template-columns: 1fr; gap: 2rem; }
  .credits-grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
  .wrap { width: calc(100% - 36px); }
  .site-header > nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding-block: 56px; }
  h1 { font-size: 2.7rem; }
  h2 { font-size: 2.1rem; }
  .hero-intro { font-size: 1rem; }
  .eyebrow { font-size: .76rem; }
  .graphics-side, .text-gallery, .archive-gallery { grid-template-columns: 1fr; }
  .figure-label { font-size: .7rem; }
  .site-footer .wrap { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .guide-steps { display: grid; grid-template-columns: 1fr 1fr; gap: .1rem .75rem; }
  .settings-table { font-size: .9rem; }
  .hardware-memory-note { padding: 1.2rem; }
  .basic8-section { padding: 1.25rem; }
  .ais-reports { padding: 1.25rem; }
  .project-support { padding: 1.25rem; }
  .hardware-option .image-link { height: 300px; }
}
@media print {
  body, .opening, .text-section, .archive-section, .basic8-section, .credits-section { background: white; color: black; }
  nav, .site-header > nav, .language-switcher, .hero-links, .skip-link, .section-return, .guide-home-link, .broadcast-dialog { display: none; }
  .section { padding-block: 2rem; }
  .wrap { width: 100%; }
  figure { break-inside: avoid; }
  .hero-figure .image-link { box-shadow: none; }
}
.developer-section { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem 4rem; border-top: 1px solid var(--line); }
.developer-section h2 { margin-bottom: 1.5rem; }
.developer-section p { max-width: 40rem; }
.developer-section .button { margin-top: 1.5rem; }
.developer-preview { align-self: center; padding: 2rem; background: var(--wash); border-left: 3px solid var(--teal); }
.developer-preview h3 { margin-block: .75rem 1rem; }
.developer-preview p + p { margin-top: 1rem; }
.developer-preview code { font: .9rem/1.7 var(--mono); overflow-wrap: anywhere; }
.developer-section .section-return { grid-column: 1 / -1; }
@media (max-width: 760px) { .developer-section { grid-template-columns: 1fr; gap: 2rem; } }
