:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --ink: #1b1b1b;
  --muted: #5d5d63;
  --line: #e2e2e6;
  --rust: #a83b25;
  --rust-soft: #f6e6df;
  --dark: #141416;
  --ok: #1f7a4d;
  --bad: #b3261e;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
code { font-family: var(--mono); font-size: .9em; }
pre code { font-size: 1em; }
h1, h2, h3 { margin: 0; letter-spacing: -.02em; line-height: 1.08; }
h2 { font-size: clamp(30px, 4vw, 46px); }
h3 { font-size: 20px; line-height: 1.25; }
p { margin: 0; }

.shell { width: min(1240px, 100% - 48px); margin-inline: auto; }
.section-pad { padding: clamp(64px, 9vw, 112px) 0; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 20; }
.skip-link:focus { left: 8px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--rust); outline-offset: 3px; border-radius: 4px; }

.eyebrow, .section-index, .label {
  font: 600 12px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.section-index { color: var(--rust); display: block; margin-bottom: 14px; }
.label { display: block; margin-bottom: 10px; }
.section-lead { max-width: 760px; margin-bottom: 40px; }
.section-lead p { margin-top: 16px; color: var(--muted); font-size: 18px; }

/* Buttons and links */
.button { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.button:hover { transform: translateY(-1px); }
.button-dark { background: var(--ink); color: #fff; }
.button-dark:hover { background: #000; }
.button-light { background: #fff; color: var(--ink); }
.text-link { font-weight: 600; color: var(--rust); text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link.light { color: #f5dfcf; }
.text-button { border: 0; background: none; font: 600 13px var(--sans); color: var(--rust); cursor: pointer; padding: 4px 6px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(245, 245, 247, .86); backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -.03em; text-decoration: none; }
.brand svg { width: 26px; height: 26px; }
.nav-links { display: flex; align-items: center; gap: 22px; margin-left: auto; font-size: 14px; font-weight: 500; }
.nav-links a { text-decoration: none; color: #333; white-space: nowrap; }
.nav-links a:hover { color: var(--rust); }
.lang-switch { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.lang-switch a { font: 600 12px var(--mono); padding: 3px 8px; border-radius: 999px; color: var(--muted); }
.lang-switch a[aria-current="true"] { background: var(--ink); color: #fff; }
.lang-switch a:not([aria-current="true"]):hover { color: var(--rust); }
.nav-start { background: var(--ink); color: #fff; text-decoration: none; padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; white-space: nowrap; }
.menu-toggle { display: none; margin-left: auto; width: 40px; height: 40px; border: 0; background: none; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 5px auto; transition: transform .2s; }

/* Hero */
.hero { padding: clamp(48px, 7vw, 88px) 0 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(40px, 4.6vw, 66px); letter-spacing: -.045em; margin: 18px 0 24px; }
.hero h1 em { font-style: normal; color: var(--rust); }
.lede { font-size: 19px; color: #3d3d42; max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 30px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 28px; margin: 36px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }
.hero-facts dt { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.hero-facts dd { margin: 4px 0 0; font-weight: 600; }

.hero-call { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 60px -30px rgba(20, 20, 22, .28); overflow: hidden; }
.call-head { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--line); font: 12px var(--mono); color: var(--muted); }
.call-dots { display: inline-flex; gap: 6px; }
.call-path { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.call-dots i { width: 9px; height: 9px; border-radius: 50%; background: #d6d6da; }
.live-tag { margin-left: auto; color: var(--ok); white-space: nowrap; flex: none; }
.live-tag::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); margin-right: 7px; vertical-align: 1px; }
.call-body { display: grid; grid-template-columns: 1fr 1.15fr; }
.call-input { padding: 18px; background: #fafafb; border-right: 1px solid var(--line); }
.call-input img { border: 1px solid var(--line); border-radius: 6px; }
.call-output { padding: 18px; min-width: 0; }
.call-output pre { margin: 0; max-height: 360px; overflow: auto; font: 12.5px/1.55 var(--mono); color: #26262a; white-space: pre; }
.call-meta, .panel-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font: 12px var(--mono); color: var(--muted); }
.call-meta { padding: 12px 16px; border-top: 1px solid var(--line); background: #fafafb; }
.call-meta span:first-child, .panel-meta span:first-child { color: var(--ink); font-weight: 600; }

.trust-strip { list-style: none; padding: 0; margin-top: clamp(48px, 6vw, 72px); margin-bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-strip li { padding: 24px 22px 24px 0; }
.trust-strip li + li { padding-left: 22px; border-left: 1px solid var(--line); }
.trust-strip strong { display: block; font-size: 16px; }
.trust-strip span { color: var(--muted); font-size: 14px; }

/* Connect */
.switch-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.switch-grid p { color: var(--muted); font-size: 18px; margin-top: 18px; }
.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.steps li { display: flex; gap: 14px; align-items: baseline; }
.steps li p { margin: 0; }
.steps li span { font: 600 12px var(--mono); color: var(--rust); background: var(--rust-soft); border-radius: 999px; width: 24px; height: 24px; display: inline-grid; place-items: center; flex: none; }
.code-card { position: relative; background: var(--dark); color: #e9e9ee; border-radius: var(--radius); overflow: hidden; }
.code-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; border-bottom: 1px solid #2a2a2e; font: 12px var(--mono); color: #9a9aa3; }
.code-head .text-button { color: #f0a58a; }
.code-card pre { margin: 0; padding: 20px; font: 13.5px/1.65 var(--mono); overflow-x: auto; }
.copy-status { position: absolute; right: 70px; top: 12px; font: 12px var(--mono); color: #9a9aa3; }

/* Examples */
.examples { background: var(--surface); border-block: 1px solid var(--line); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tabs button { border: 1px solid var(--line); background: var(--bg); padding: 11px 18px; border-radius: 999px; font: 600 14px var(--sans); color: #333; cursor: pointer; }
.tabs button span { font-family: var(--mono); color: var(--muted); margin-right: 4px; }
.tabs button[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.tabs button[aria-selected="true"] span { color: #f0a58a; }
.panel { border: 1px solid var(--line); border-radius: 18px; background: var(--bg); overflow: hidden; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; padding: 26px 28px; border-bottom: 1px solid var(--line); background: var(--surface); }
.panel-head p { color: var(--muted); margin-top: 8px; max-width: 640px; }
.panel-meta { justify-content: flex-end; max-width: 340px; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; }
.panel-grid.three { grid-template-columns: .9fr 1fr 1fr; }
.pane { padding: 24px 28px; min-width: 0; }
.pane + .pane { border-left: 1px solid var(--line); }
.pane img { border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.pane small { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }
.pane pre { margin: 0; font: 12.5px/1.6 var(--mono); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow: auto; white-space: pre; }
.pane pre.prose { white-space: pre-wrap; font-family: var(--sans); font-size: 14px; }
.pane pre.scroll { max-height: 420px; }
.pane .label + p { margin-bottom: 18px; }
.question { font-size: 18px; font-weight: 600; }
.answer { font-size: 19px; line-height: 1.5; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--rust); border-radius: 10px; padding: 18px 20px; }
.ranking { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; counter-reset: rank; }
.ranking li { counter-increment: rank; display: grid; grid-template-columns: auto 52px 1fr; gap: 12px; align-items: baseline; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 14px; color: var(--muted); }
.ranking li::before { content: "[" counter(rank) "]"; font: 12px var(--mono); }
.ranking li.top { color: var(--ink); border-color: #d9c6bd; }
.ranking b { font: 600 13px var(--mono); color: var(--rust); }
.checks { padding: 22px 28px; border-top: 1px solid var(--line); background: var(--surface); }
.checks ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.checks li { display: flex; gap: 8px; font-size: 14px; }
.checks li.pass > span:first-child { color: var(--ok); font-weight: 700; }
.checks li.fail > span:first-child { color: var(--bad); font-weight: 700; }
.checks p { margin-top: 14px; color: var(--muted); font-size: 14px; max-width: 820px; }
.panel-foot { padding: 14px 28px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.panel-foot a { color: var(--ink); font-weight: 600; text-decoration: none; }
.panel-foot a:hover { color: var(--rust); }

/* Pricing */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.price-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.price-table th, .price-table td { text-align: left; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.price-table thead th { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.price-table tbody tr:last-child > * { border-bottom: 0; }
.price-table td:nth-last-child(-n+2) { font-weight: 600; white-space: nowrap; }
.price-table code { color: var(--rust); font-weight: 600; }
.fine { margin-top: 18px; color: var(--muted); font-size: 14px; max-width: 860px; }

/* Trust */
.trust { background: var(--dark); color: #ececf0; }
.trust .section-index { color: #f0a58a; }
.trust-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 88px); }
.trust-grid > div > p { color: #a9a9b2; font-size: 18px; margin: 18px 0 24px; }
.trust .text-link { color: #f0a58a; }
.flow { list-style: none; padding: 0; margin: 0; }
.flow li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; padding: 22px 0; border-top: 1px solid #2c2c31; }
.flow li:last-child { border-bottom: 1px solid #2c2c31; }
.flow li > span { font: 600 13px var(--mono); color: #f0a58a; padding-top: 3px; }
.flow p { color: #a9a9b2; margin-top: 6px; }
.trust .fine { color: #85858f; margin-top: 40px; }

/* Built with */
.built-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.built-list a { display: grid; gap: 6px; height: 100%; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); text-decoration: none; position: relative; transition: border-color .15s; }
.built-list a:hover { border-color: var(--rust); }
.built-list strong { font-size: 18px; }
.built-list span { color: var(--muted); font-size: 14px; }
.built-list b { position: absolute; top: 18px; right: 20px; color: var(--rust); }

/* Closing + footer */
.closing-cta { background: var(--rust); color: #fff; padding: clamp(56px, 8vw, 96px) 0; }
.closing-layout { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.closing-layout h2 { max-width: 680px; }
.closing-layout .hero-actions { margin-top: 0; }
.footer { padding: 40px 0 56px; font-size: 14px; color: var(--muted); }
.footer-layout { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-layout p { margin-top: 12px; max-width: 520px; line-height: 1.6; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--rust); }

/* Enterprise page */
.enterprise-hero { padding: clamp(64px, 9vw, 120px) 0 48px; }
.enterprise-hero > * { max-width: 900px; }
.enterprise-hero h1 { font-size: clamp(40px, 5.5vw, 72px); letter-spacing: -.04em; margin: 8px 0 24px; }
.enterprise-hero h1 em { font-style: normal; color: var(--rust); }
.enterprise-hero p { font-size: 19px; color: #3d3d42; margin-bottom: 30px; }
.enterprise-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding-bottom: 48px; }
.enterprise-detail > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.enterprise-detail span { font: 600 12px var(--mono); color: var(--rust); text-transform: uppercase; letter-spacing: .06em; }
.enterprise-detail h2 { font-size: 22px; margin: 12px 0 8px; }
.enterprise-detail p { color: var(--muted); }
.enterprise-hero .hero-actions { margin-top: 0; }
.enterprise-mail { margin: 14px 0 0 !important; font: 13px var(--mono) !important; color: var(--muted) !important; }
.enterprise-brief { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 88px); padding: clamp(48px, 7vw, 88px) 0; border-top: 1px solid var(--line); }
.enterprise-brief p { color: var(--muted); font-size: 18px; margin-top: 16px; }
.enterprise-brief ul { list-style: none; padding: 0; margin: 0; }
.enterprise-brief li { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.enterprise-brief li:last-child { border-bottom: 1px solid var(--line); }
.enterprise-brief li span { color: var(--muted); }
.enterprise-closing { margin-top: clamp(48px, 7vw, 88px); }

/* Guides */
.guides-hero { padding: clamp(56px, 8vw, 104px) 0 32px; }
.guides-hero > * { max-width: 820px; }
.guides-hero h1 { font-size: clamp(40px, 5vw, 64px); letter-spacing: -.04em; margin: 8px 0 18px; }
.guides-hero p { font-size: 19px; color: #3d3d42; }
.guides-list ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.guides-list a { display: grid; gap: 8px; height: 100%; padding: 22px 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color .15s; }
.guides-list a:hover { border-color: var(--rust); }
.guides-list strong { font-size: 18px; line-height: 1.3; }
.guides-list span { color: var(--muted); font-size: 15px; }
.guides-list small { font: 12px var(--mono); color: var(--muted); }
.guides-langs { padding: 40px 0 72px; }
.guides-langs p { margin-top: 4px; line-height: 2; }
.guides-langs a { color: var(--rust); text-decoration: none; }

.guide-layout { max-width: 820px; padding: clamp(32px, 5vw, 56px) 0 64px; }
.guide-crumbs { display: flex; gap: 10px; flex-wrap: wrap; font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.guide-crumbs a { color: var(--rust); text-decoration: none; font-weight: 600; }
.guide-body { font-size: 17px; line-height: 1.7; color: #26262a; overflow-wrap: break-word; }
.guide-body h1 { font-size: clamp(32px, 4.4vw, 48px); letter-spacing: -.035em; line-height: 1.1; margin: 0 0 28px; color: var(--ink); }
.guide-body h2 { font-size: clamp(24px, 3vw, 30px); margin: 48px 0 14px; color: var(--ink); }
.guide-body h3 { font-size: 20px; margin: 32px 0 10px; color: var(--ink); }
.guide-body h4 { font-size: 17px; margin: 24px 0 8px; }
.guide-body p, .guide-body ul, .guide-body ol, .guide-body table, .guide-body pre, .guide-body blockquote { margin: 0 0 18px; }
.guide-body ul, .guide-body ol { padding-left: 1.4em; }
.guide-body li { margin: 4px 0; }
.guide-body li.task-list-item { list-style: none; margin-left: -1.4em; }
.guide-body a { color: var(--rust); }
.guide-body hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.guide-body img { border: 1px solid var(--line); border-radius: 10px; margin: 8px 0; }
.guide-body :not(pre) > code { background: var(--rust-soft); color: #5c1f12; padding: .1em .35em; border-radius: 5px; }
.guide-body pre { background: var(--dark); color: #e9e9ee; padding: 18px 20px; border-radius: 12px; overflow-x: auto; font: 13.5px/1.6 var(--mono); }
.guide-body blockquote { border-left: 3px solid var(--rust); padding: 4px 0 4px 18px; color: var(--muted); }
.guide-body table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
.guide-body th, .guide-body td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.guide-body th { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.guide-faq { margin-top: 48px; }
.guide-faq h2 { font-size: clamp(24px, 3vw, 30px); margin-bottom: 14px; }
.guide-faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.guide-faq details:last-child { border-bottom: 1px solid var(--line); }
.guide-faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.guide-faq details p { margin: 10px 0 0; color: #3d3d42; line-height: 1.65; }
.guide-note { background: var(--rust-soft); border-radius: 10px; padding: 12px 16px; font-size: 15px; color: #5c1f12; }
.guide-meta { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.guide-meta p { margin: 4px 0; }
.guide-meta a { color: var(--rust); }
.guide-cta-text { margin-top: 12px; opacity: .9; }
.guide-cta-text code { background: rgba(255,255,255,.16); padding: .1em .35em; border-radius: 5px; }

/* Responsive */
@media (max-width: 1180px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; align-items: stretch; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 24px 18px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-start { display: none; }
  .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); }
  .lang-switch { margin-top: 12px; align-self: flex-start; }
  .lang-switch a { border-bottom: 0 !important; padding: 6px 12px !important; }
}

@media (max-width: 1080px) {
  .hero-grid, .switch-grid, .trust-grid { grid-template-columns: 1fr; }
  .panel-grid.three { grid-template-columns: 1fr 1fr; }
  .panel-grid.three .pane:first-child { grid-column: 1 / -1; }
  .panel-grid.three .pane:first-child img { max-width: 420px; }
  .panel-grid.three .pane:nth-child(2) { border-left: 0; border-top: 1px solid var(--line); }
  .panel-grid.three .pane:nth-child(3) { border-top: 1px solid var(--line); }
  .built-list { grid-template-columns: repeat(2, 1fr); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .trust-strip li:nth-child(3) { padding-left: 0; border-left: 0; }
  .trust-strip li:nth-child(n+3) { border-top: 1px solid var(--line); }
}

@media (max-width: 860px) {
  .call-body, .panel-grid, .panel-grid.three { grid-template-columns: 1fr; }
  .call-input { border-right: 0; border-bottom: 1px solid var(--line); }
  .call-input img { max-height: 260px; object-fit: cover; object-position: top; }
  .pane + .pane, .panel-grid.three .pane:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .panel-head { flex-direction: column; align-items: flex-start; }
  .panel-meta { justify-content: flex-start; max-width: none; }
  .enterprise-detail, .enterprise-brief, .guides-list ul { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .shell { width: calc(100% - 32px); }
  .trust-strip, .built-list { grid-template-columns: 1fr; }
  .trust-strip li, .trust-strip li + li { padding-left: 0; border-left: 0; }
  .trust-strip li + li { border-top: 1px solid var(--line); }
  .pane, .panel-head, .checks, .panel-foot { padding-inline: 18px; }
  .ranking li { grid-template-columns: auto 46px 1fr; }
  .price-table .col-use { display: none; }
  .price-table th, .price-table td { padding: 14px 12px; }
  .call-path { display: none; }
  .enterprise-brief li { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .built-list a, .menu-toggle span { transition: none; }
}