:root {
  color-scheme: dark;
  --bg: #080d12;
  --surface: #0e151c;
  --surface-raised: #121c25;
  --text: #f0f5f6;
  --muted: #9aaab7;
  --accent: #69e4c7;
  --blue: #77b5ff;
  --border: #24313b;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.65; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, a, summary { touch-action: manipulation; }
button { border: 0; }
button:focus-visible, a:focus-visible, summary:focus-visible, video:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: #69e4c7; color: #080d12; }
[hidden] { display: none !important; }
h1, h2, h3, h4, p { margin: 0; }
img { display: block; max-width: 100%; }
code, .mono { font-family: var(--mono); }
.container { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: 100; padding: 12px 20px; background: var(--accent); color: var(--bg); border-radius: 6px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid #1d2832; background: rgb(8 13 18 / 94%); backdrop-filter: blur(18px); }
.header-inner { height: 80px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 27px; font-weight: 750; letter-spacing: -1.2px; line-height: 1; }
.brand-dot { color: var(--accent); }
.navigation { margin-left: auto; display: flex; align-items: center; gap: 24px; font-size: 13px; font-weight: 550; color: #b6c3cd; }
.navigation a:hover, .text-link:hover, .site-footer a:hover { color: var(--accent); }
.nav-github { color: var(--text); }
.nav-github span { margin-left: 5px; color: var(--muted); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-toggle { background: transparent; border: 1px solid var(--border); border-radius: 7px; padding: 7px 11px; min-width: 65px; font-size: 12px; }
.language-toggle:hover { border-color: var(--accent); }
.language-toggle > span:first-child { padding-right: 4px; }
.menu-toggle { display: none; width: 42px; height: 42px; background: var(--surface); border: 1px solid var(--border); border-radius: 7px; align-items: center; justify-content: center; flex-direction: column; gap: 6px; }
.menu-toggle span { width: 18px; height: 1px; background: var(--text); transition: transform .2s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.hero { display: flex; flex-direction: column; align-items: center; gap: 64px; padding-top: 76px; padding-bottom: 80px; }
.hero-copy { position: relative; z-index: 1; min-width: 0; max-width: 840px; width: 100%; text-align: center; }
.hero-copy .hero-description { max-width: 660px; margin-inline: auto; }
.hero-copy .hero-buttons, .hero-copy .hero-note, .hero-copy .package-badges { justify-content: center; }
.hero-copy .hero-install { margin-inline: auto; text-align: left; max-width: 600px; }
.hero-copy .hero-install + .hero-install { margin-top: 10px; }
.hero-copy .package-badges { margin-inline: auto; max-width: 660px; }
.hero > .hero-visual { width: 100%; max-width: 740px; }
.release-pill { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 10px; border: 1px solid #254038; background: #10221e; border-radius: 30px; padding: 6px 12px; font-size: 11px; color: #a8d9ca; }
.release-pill:hover { border-color: var(--accent); }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px #69e4c74d; flex-shrink: 0; }
.eyebrow { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 2px; color: var(--accent); }
.hero .eyebrow { margin-top: 32px; margin-bottom: 16px; }
h1 { font-size: clamp(50px, 5.4vw, 72px); line-height: 1.16; font-weight: 750; letter-spacing: -3px; }
.gradient-text { background: linear-gradient(105deg, #83efcd 10%, #65bcf1 95%); background-clip: text; -webkit-background-clip: text; color: transparent; }
.hero-description { max-width: 460px; margin-top: 24px; font-size: 15px; line-height: 1.9; color: var(--muted); }
.hero-buttons { display: flex; gap: 12px; margin-top: 29px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; min-height: 46px; padding: 11px 20px; border-radius: 7px; font-size: 13px; font-weight: 650; border: 1px solid transparent; transition: background .18s, border-color .18s, transform .18s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #082019; background: var(--accent); box-shadow: 0 4px 24px #69e4c710; }
.button-primary:hover { background: #92f2da; }
.button-secondary { border-color: #34414a; background: #101820; }
.button-secondary:hover { border-color: #7b94a6; }
.hero-install { display: flex; align-items: center; gap: 12px; border: 1px solid var(--border); background: #0c131a; padding: 7px 10px 7px 14px; border-radius: 7px; margin-top: 22px; max-width: 405px; min-width: 0; }
.hero-install code { font-size: 12px; overflow-wrap: anywhere; }
.prompt { color: var(--accent); font-family: var(--mono); }
.copy-button { background: transparent; color: #a7b7c5; padding: 6px 9px; border-radius: 4px; font-size: 11px; white-space: nowrap; min-height: 34px; }
.copy-button:hover { color: var(--accent); background: #1b2c35; }
.icon-copy { margin-left: auto; font-size: 20px; line-height: 1; min-width: 34px; }
.package-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; max-width: 480px; }
.package-badge { display: inline-flex; border: 1px solid #34424d; border-radius: 5px; overflow: hidden; font-size: 9px; line-height: 1.5; min-height: 30px; background: #101a22; }
.package-badge > span { padding: 7px 8px; display: inline-flex; align-items: center; gap: 5px; }
.package-badge > span:first-child { background: #202e39; color: #c5d4df; font-weight: 650; }
.package-badge > span:last-child { color: #c9dcd4; }
.package-badge:hover { border-color: var(--accent); }
.badge-python > span:first-child { color: #9dccf8; background: #1c3041; }
.badge-node > span:first-child { color: #eeb7b7; background: #3a252b; }
.badge-docker > span:first-child { color: #9cdbef; background: #19313e; }
.hero-note { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; font-size: 10px; color: var(--muted); }
.hero-note > span:nth-child(even) { color: #4c6576; }
.hero-visual { position: relative; min-width: 0; isolation: isolate; padding-top: 16px; }
.hero-visual::before { content: ""; position: absolute; inset: -70px -25px; z-index: -2; background: radial-gradient(ellipse, #1739426b, transparent 65%); }
.orbital { position: absolute; left: 10%; top: -40px; width: 80%; aspect-ratio: 1; border: 1px solid #22464b66; border-radius: 50%; z-index: -1; pointer-events: none; }
.orbital-one { transform: rotate(-28deg) scaleX(1.35); }
.orbital-two { transform: rotate(35deg) scaleX(1.22); border-style: dashed; opacity: .6; }
.floating-label { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 9px; color: #8faab7; letter-spacing: 1.7px; margin: 0 0 15px 14px; }
.browser-window { border: 1px solid #344a57; background: #0e171f; border-radius: 12px; box-shadow: 0 35px 75px #0005, 0 0 60px #528abb07; overflow: hidden; }
.window-bar { height: 44px; display: flex; align-items: center; gap: 14px; border-bottom: 1px solid #24333f; background: #15212b; padding: 0 15px; font-family: var(--mono); font-size: 10px; color: #b0bec8; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #b57676; }
.window-dots i:nth-child(2) { background: #b8a36b; }
.window-dots i:nth-child(3) { background: #6aab92; }
.window-language { margin-left: auto; font-size: 8px; letter-spacing: 1px; color: #91a6b6; }
.window-location { margin: 12px 14px 2px; border: 1px solid #263541; background: #0a1118; padding: 7px 10px; display: flex; gap: 10px; border-radius: 5px; font-size: 9px; color: #8ca0b0; font-family: var(--mono); }
.window-location span:last-child { margin-left: auto; }
pre { margin: 0; font: 12px/1.9 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 4; }
.hero-code { padding: 28px 24px; color: #d2dee8; font-size: 12px; line-height: 2; }
.token-purple { color: #c2a5f7; }
.token-blue { color: #8fbfff; }
.token-green { color: #8eddbb; }
.example-output { margin: 0 14px 14px; background: #14251f; border: 1px solid #23483a; border-radius: 6px; padding: 12px; display: flex; align-items: center; gap: 12px; }
.output-symbol { color: var(--accent); }
.output-label { font-size: 8px; letter-spacing: 1.5px; color: #a0c8b5; }
.example-output p { font-size: 12px; font-family: var(--mono); color: #cde8dc; }
.output-badge { margin-left: auto; color: #9ec4b6; border: 1px solid #365748; padding: 3px 6px; border-radius: 4px; font-size: 8px; }
.engine-note { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 22px auto 0; }
.engine-note img { opacity: .8; }
.engine-note strong { font-size: 11px; font-weight: 500; display: block; color: #c9d6e0; }
.engine-note span { display: block; font-size: 10px; color: #8e9fad; margin-top: 2px; }
.platform-strip { border-block: 1px solid var(--border); background: #0b1118; }
.platform-strip-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.strip-label { color: #8b9dab; font-size: 10px; letter-spacing: 1.5px; }
.platform-strip-inner > div { display: flex; gap: 66px; font-size: 16px; color: #c3cdd6; font-weight: 600; }
.architecture { font-family: var(--mono); font-size: 11px; color: #a6bac9; }
.architecture span { color: var(--accent); margin: 0 8px; }
.section { padding-top: 96px; padding-bottom: 96px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.section-heading .eyebrow, .faq-heading .eyebrow { margin-bottom: 14px; }
h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.4; letter-spacing: -1px; font-weight: 650; }
.section-heading > p { color: var(--muted); font-size: 13px; line-height: 1.85; max-width: 320px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card { position: relative; padding: 27px; border: 1px solid var(--border); border-radius: 9px; background: linear-gradient(130deg, #121c24, #0d141b); display: flex; flex-direction: column; }
.feature-icon { width: 42px; height: 42px; display: grid; place-items: center; background: #18322f; color: var(--accent); border: 1px solid #2c5148; border-radius: 9px; font-family: var(--mono); font-size: 19px; }
.feature-card:nth-child(2) .feature-icon { background: #172b40; border-color: #29475f; color: #8dbef7; font-size: 16px; }
.feature-card:nth-child(3) .feature-icon { background: #24233c; border-color: #403c60; color: #bdadf0; }
.card-index { position: absolute; top: 28px; right: 25px; color: #8394a4; font: 10px var(--mono); }
.feature-card h3 { margin-top: 24px; margin-bottom: 11px; font-size: 18px; font-weight: 600; }
.feature-card p { color: var(--muted); font-size: 13px; line-height: 1.85; margin-bottom: 24px; }
.feature-card a { margin-top: auto; font-size: 11px; display: flex; align-items: center; justify-content: space-between; color: #c4d2dd; }
.feature-card a:hover { color: var(--accent); }
.feature-footnotes { display: flex; justify-content: center; gap: 46px; margin-top: 25px; font-size: 11px; color: var(--muted); }
.feature-footnotes p { display: flex; gap: 9px; }
.feature-footnotes p > span:first-child { color: var(--accent); }
.quickstart-section { background: #0b1219; border-block: 1px solid #1e2a34; }
.quickstart-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 70px; }
.setup-guide { padding-top: 12px; }
.setup-guide h3 { font-size: 18px; font-weight: 600; }
.steps { padding: 0; list-style: none; margin: 27px 0; }
.steps li { display: flex; gap: 17px; padding-bottom: 25px; position: relative; }
.steps li:last-child { padding-bottom: 0; }
.steps li:not(:last-child)::after { content: ""; width: 1px; background: #2a3c46; position: absolute; top: 33px; left: 13px; bottom: 6px; }
.step-number { border: 1px solid #31464e; color: var(--accent); display: grid; place-items: center; width: 27px; height: 27px; flex-shrink: 0; border-radius: 50%; background: #162626; font: 11px var(--mono); }
.steps h4 { font-size: 13px; font-weight: 600; margin: 2px 0 6px; }
.steps p { font-size: 12px; color: var(--muted); line-height: 1.85; }
.text-link { display: inline-flex; align-items: center; gap: 18px; font-size: 12px; color: #bcd4dc; }
.code-workbench { background: #0c141c; border: 1px solid #2c3c48; border-radius: 10px; min-width: 0; overflow: hidden; }
.code-tabs { display: flex; gap: 8px; padding: 0 14px; background: #131e28; border-bottom: 1px solid #2b3946; }
.code-tabs button { background: transparent; padding: 14px 13px; font-size: 12px; color: #a4b3c1; border-bottom: 2px solid transparent; }
.code-tabs button:hover { color: var(--text); }
.code-tabs button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.code-panel { min-height: 385px; }
.command-line { display: flex; align-items: center; gap: 9px; padding: 12px 17px; background: #111e26; border-bottom: 1px solid #21313d; }
.command-line code { font-size: 10px; overflow-wrap: anywhere; min-width: 0; }
.command-line .copy-button { margin-left: auto; flex-shrink: 0; }
.code-file { display: flex; align-items: center; justify-content: space-between; padding: 14px 19px 0; color: #93a9ba; font: 10px var(--mono); }
.code-panel pre { padding: 12px 22px 20px; color: #d1dce5; font-size: 11px; line-height: 1.95; }
.panel-note { color: #95a6b4; border-top: 1px solid #20303c; padding: 11px 21px; font-size: 10px; }
.panel-note code { color: #bed3e3; }
.docker-status { display: flex; align-items: center; gap: 8px; padding: 17px 22px; color: #b0e1cd; background: #142a23; font-size: 12px; border-bottom: 1px solid #2b5040; }
.docker-command-heading { border-top: 1px solid #253642; gap: 12px; }
.docker-command-heading > span { line-height: 1.8; }
.docker-links { display: flex; flex-wrap: wrap; gap: 0 24px; }
.docker-info { padding: 0 22px 24px; }
.docker-info h4 { font-size: 14px; font-weight: 500; }
.docker-info p { margin-top: 9px; font-size: 12px; color: var(--muted); }
.docker-info code { color: var(--accent); font-size: 11px; }
.docker-info a { margin-top: 18px; }
.local-callout { margin-top: 30px; padding: 21px 24px; border: 1px solid #29433e; background: #12221e; border-radius: 8px; display: flex; align-items: center; gap: 18px; }
.callout-icon { font-size: 24px; color: var(--accent); }
.local-callout strong { font-size: 12px; font-weight: 550; }
.local-callout p { margin-top: 3px; color: #a1b8ae; font-size: 11px; overflow-wrap: anywhere; }
.local-callout code { color: #c0e5d6; font-size: 10px; }
.local-callout a { margin-left: auto; flex-shrink: 0; font-size: 11px; color: var(--accent); }
.download-summary { border: 1px solid #2b3b45; border-radius: 7px; padding: 12px 17px; margin-bottom: 18px; display: flex; align-items: center; flex-wrap: wrap; gap: 15px; background: #101920; font-size: 11px; color: var(--muted); }
.release-label { color: #a2c7ba; display: inline-flex; gap: 8px; align-items: center; }
.download-summary strong { color: #dbe7ec; font-size: 11px; font-weight: 500; }
.download-summary > span:last-child { margin-left: auto; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.download-card { padding: 24px; border: 1px solid #2b3b46; background: #0f181f; border-radius: 9px; }
.platform-heading { display: flex; align-items: center; gap: 13px; margin-bottom: 14px; }
.platform-symbol { width: 35px; font: 25px var(--mono); color: #b6cbd8; }
.windows-symbol { font-size: 35px; line-height: 1; }
.platform-heading h3 { font-size: 19px; font-weight: 600; }
.download-card > p { font-size: 12px; color: var(--muted); min-height: 40px; }
.download-assets { margin-top: 18px; }
.download-asset { border-top: 1px solid var(--border); padding: 10px 0; }
.download-asset:last-child { padding-bottom: 0; }
.download-link { display: flex; justify-content: space-between; gap: 8px; align-items: center; min-height: 38px; font-size: 12px; color: var(--accent); }
.download-link:hover { color: #c2ffec; }
.file-type { color: #a9bbca; font: 8px var(--mono); padding: 2px 4px; margin-left: 5px; border: 1px solid #3b4c59; border-radius: 3px; vertical-align: middle; }
.checksum-link { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 5px; min-height: 32px; color: #a7bbc9; font-size: 10px; }
.checksum-link:hover { color: var(--accent); }
.version-note { display: flex; gap: 11px; color: var(--muted); font-size: 11px; margin-top: 20px; }
.info-symbol { color: #bdd0de; width: 15px; height: 15px; border: 1px solid #7593a5; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; font: 10px var(--mono); margin-top: 2px; }
.version-note strong { font-weight: 500; color: #bacad5; }
.demo-section { border-top: 1px solid var(--border); }
.demo-player { margin: 0; border: 1px solid #314654; border-radius: 12px; background: #0e1820; overflow: hidden; box-shadow: 0 24px 65px #0003; }
.demo-player-bar { display: flex; align-items: center; gap: 10px; padding: 13px 20px; background: #16232d; border-bottom: 1px solid #314654; font: 9px var(--mono); color: #b5c9d5; letter-spacing: 1px; }
.demo-player-bar > span:last-child { margin-left: auto; color: #92aab9; }
.demo-player video { display: block; width: 100%; max-height: 650px; aspect-ratio: 16 / 9; object-fit: contain; background: #080d12; }
.demo-player figcaption { display: flex; align-items: center; gap: 24px; justify-content: space-between; border-top: 1px solid #2d3d48; padding: 20px 24px; }
.demo-player figcaption strong { font-size: 12px; font-weight: 550; color: #d2e4dc; }
.demo-player figcaption p { font-size: 11px; color: var(--muted); margin-top: 5px; }
.demo-player figcaption > a { flex-shrink: 0; font-size: 11px; color: var(--accent); padding: 7px 0; }
.faq-section { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; border-top: 1px solid var(--border); }
.faq-heading > p:not(.eyebrow) { margin-top: 17px; font-size: 13px; color: var(--muted); }
.faq-heading > a { margin-top: 22px; }
.faq-list { min-width: 0; }
.faq-list details { border-bottom: 1px solid #273541; }
.faq-list details:first-child { border-top: 1px solid #273541; }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; list-style: none; padding: 21px 0; font-size: 13px; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--accent); }
.faq-plus { color: var(--accent); font-size: 19px; line-height: 1; transition: transform .2s; }
.faq-list details[open] .faq-plus { transform: rotate(45deg); }
.faq-list details p { padding: 0 30px 22px 0; color: var(--muted); font-size: 12px; line-height: 1.9; overflow-wrap: anywhere; }
.closing-section { padding-bottom: 84px; }
.closing-card { border: 1px solid #2c5046; border-radius: 12px; padding: 43px 42px; background: radial-gradient(ellipse at 90% 50%, #214a4233, transparent 65%), linear-gradient(110deg, #12231f, #111d26); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.closing-card h2 { margin-top: 12px; font-size: 27px; }
.closing-card p:not(.eyebrow) { margin-top: 12px; color: #a3bcb3; font-size: 12px; }
.closing-card .button { flex-shrink: 0; }
.site-footer { border-top: 1px solid var(--border); padding-top: 33px; padding-bottom: 25px; }
.footer-top { display: flex; align-items: center; gap: 24px; }
.footer-top .brand { font-size: 23px; }
.footer-top > p { font-size: 11px; color: var(--muted); }
.footer-top nav { margin-left: auto; display: flex; gap: 25px; font-size: 11px; color: #bdcbd4; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; font-size: 9px; color: #899caa; margin-top: 30px; }
.copy-status { position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 12px); z-index: 50; max-width: calc(100% - 32px); padding: 12px 22px; border: 1px solid #437263; border-radius: 9px; background: #193a2f; color: #d6f8e8; box-shadow: 0 10px 35px #0005; font-size: 13px; text-align: center; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.copy-status.is-visible { opacity: 1; transform: translate(-50%, 0); }
.copy-fallback { position: fixed; top: 0; left: 0; width: 1px; height: 1px; opacity: 0; }
.noscript-note { padding: 20px; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
@media (min-width: 1400px) { .hero { gap: 80px; } }
@media (max-width: 1050px) {
  .hero { gap: 30px; padding-top: 65px; padding-bottom: 65px; }
  h1 { font-size: 58px; }
  .navigation { gap: 16px; }
  .header-inner { gap: 24px; }
  .hero-code { padding: 23px 18px; font-size: 10.5px; }
  .quickstart-layout { gap: 35px; grid-template-columns: .8fr 1.2fr; }
  .feature-card { padding: 23px; }
  .feature-footnotes { gap: 24px; }
  .faq-section { gap: 45px; }
}
@media (max-width: 800px) {
  .container { width: min(640px, calc(100% - 40px)); }
  .header-inner { height: 70px; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: flex; }
  .navigation { display: none; position: absolute; left: 0; right: 0; top: 70px; padding: 16px 20px 23px; background: #0d171f; border-bottom: 1px solid #36505e; box-shadow: 0 20px 25px #0004; }
  .navigation.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .navigation a { padding: 12px 8px; }
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 46px; padding-bottom: 48px; }
  .hero-copy { max-width: 540px; }
  h1 { font-size: 64px; }
  .hero-description { max-width: 520px; }
  .hero-visual { max-width: 530px; width: 100%; margin-inline: auto; }
  .hero-code { font-size: 12px; padding: 25px; }
  .orbital { display: none; }
  .hero-visual::before { inset: -20px 0; }
  .platform-strip-inner { flex-wrap: wrap; justify-content: center; gap: 13px 30px; padding-block: 22px; }
  .strip-label { flex-basis: 100%; text-align: center; }
  .platform-strip-inner > div { gap: 28px; font-size: 14px; }
  .section { padding-top: 65px; padding-bottom: 65px; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
  .section-heading > p { max-width: none; }
  .section-heading > p br { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 25px; }
  .feature-card h3 { margin-top: 18px; }
  .feature-card p { max-width: 490px; }
  .feature-footnotes { flex-wrap: wrap; gap: 12px 25px; justify-content: flex-start; }
  .quickstart-layout { grid-template-columns: 1fr; gap: 30px; }
  .setup-guide { padding: 0; }
  .steps { margin-top: 22px; margin-bottom: 22px; }
  .code-panel pre { font-size: 12px; }
  .local-callout { flex-wrap: wrap; gap: 12px; padding: 18px; }
  .local-callout > div { flex: 1; min-width: 0; }
  .local-callout a { margin-left: 35px; }
  .download-grid { gap: 12px; }
  .download-card { padding: 18px 14px; }
  .platform-heading { gap: 7px; }
  .platform-heading h3 { font-size: 16px; }
  .platform-symbol { width: 27px; font-size: 22px; }
  .download-card > p { min-height: 60px; font-size: 11px; }
  .download-summary > span:last-child { margin-left: 0; flex-basis: 100%; }
  .demo-player figcaption { flex-direction: column; align-items: flex-start; gap: 10px; padding: 18px; }
  .faq-section { grid-template-columns: 1fr; gap: 28px; }
  .faq-heading h2 br { display: none; }
  .closing-section { padding-bottom: 60px; }
  .closing-card { padding: 30px; flex-direction: column; align-items: flex-start; }
  .closing-card h2 { font-size: 25px; }
  .footer-top { flex-wrap: wrap; gap: 20px; }
  .footer-top nav { margin-left: 0; flex-basis: 100%; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}
@media (max-width: 480px) {
  .container { width: calc(100% - 36px); }
  .brand { font-size: 25px; }
  .brand img { width: 29px; height: 29px; }
  .header-inner { gap: 12px; }
  .header-actions { gap: 8px; }
  .hero { padding-top: 35px; gap: 35px; }
  .hero .eyebrow { margin-top: 26px; font-size: 9px; }
  h1 { font-size: clamp(44px, 12.6vw, 59px); letter-spacing: -2px; }
  .hero-description { font-size: 14px; margin-top: 20px; }
  .hero-buttons { gap: 10px; }
  .button { font-size: 12px; gap: 16px; padding: 11px 16px; }
  .hero-install { gap: 8px; padding-left: 10px; }
  .hero-install code { font-size: 10px; }
  .hero-note { gap: 8px; font-size: 9px; }
  .package-badges { gap: 7px; }
  .package-badge { font-size: 8px; }
  .package-badge > span { padding: 7px; }
  .demo-player-bar { padding-inline: 12px; font-size: 8px; letter-spacing: .5px; }
  .hero-code { font-size: 10px; padding: 23px 15px; }
  .output-badge { font-size: 7px; padding: 3px 4px; }
  .example-output { margin: 0 10px 10px; padding: 9px; gap: 8px; }
  .engine-note { gap: 9px; }
  .engine-note strong { font-size: 10px; }
  .engine-note span { font-size: 9px; }
  .platform-strip-inner { column-gap: 18px; }
  .platform-strip-inner > div { gap: 19px; font-size: 12px; }
  .architecture { font-size: 9px; }
  .architecture span { margin: 0 3px; }
  h2 { font-size: 27px; }
  .eyebrow { font-size: 9px; letter-spacing: 1.5px; }
  .code-tabs { padding: 0 8px; gap: 3px; }
  .code-tabs button { font-size: 11px; padding-inline: 10px; }
  .command-line { padding-inline: 12px; gap: 7px; }
  .command-line code { font-size: 9px; }
  .code-file { padding-inline: 15px; }
  .code-panel pre { font-size: 10px; padding-inline: 15px; }
  .code-panel { min-height: 360px; }
  .panel-note { padding-inline: 15px; }
  .download-grid { grid-template-columns: 1fr; }
  .download-card { padding: 23px; }
  .platform-heading h3 { font-size: 19px; }
  .download-card > p { min-height: 0; font-size: 12px; }
  .download-summary { gap: 10px; font-size: 10px; }
  .faq-list summary { font-size: 12px; gap: 15px; }
  .closing-card { padding: 25px; }
  .closing-card h2 { font-size: 23px; }
  .footer-top > p { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .button:hover { transform: none; }
}