/* Adapted from https://getdesign.md/x.ai/design-md; see DESIGN.md. */
:root {
  --canvas: #0a0a0a;
  --canvas-soft: #1a1c20;
  --canvas-card: #191919;
  --canvas-mid: #363a3f;
  --ink: #fff;
  --body: #dadbdf;
  --mute: #7d8187;
  --line: #212327;
  --interactive-line: #54565a;
  --radius: 8px;
  --pill: 9999px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1280px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 400 16px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg { width: 20px; height: 20px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 400; text-wrap: balance; }
h1 { font-size: 96px; line-height: 1; letter-spacing: -2.4px; }
h2 { font-size: 48px; line-height: 1; letter-spacing: -1.2px; }
h3 { font-size: 32px; line-height: 1.125; letter-spacing: -.6px; }
p { color: var(--body); }
strong { font-weight: 500; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, [tabindex]:focus-visible { outline: 2px solid white; outline-offset: 5px; }
button:disabled { opacity: .5; cursor: not-allowed; }
[hidden] { display: none !important; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(var(--container), calc(100% - 96px)); margin-inline: auto; }
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.eyebrow, .mini-label, .section-number { font: 400 12px/1.5 var(--mono); letter-spacing: 1.2px; text-transform: uppercase; color: var(--mute); }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
.eyebrow.dark { color: var(--mute); }
.section-number { display: block; margin-bottom: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 12px 24px; min-height: 48px; border: 1px solid var(--interactive-line); border-radius: var(--pill); background: transparent; color: var(--ink); font-size: 14px; font-weight: 400; line-height: 20px; transition: background .18s, border-color .18s, color .18s; }
.button svg { width: 18px; height: 18px; }
.button:hover { background: var(--canvas-soft); border-color: white; }
.button-primary { background: white; color: var(--canvas); border-color: white; }
.button-primary:hover { background: #dadbdf; border-color: #dadbdf; }
.button-dark, .button-outline { background: transparent; color: white; }
.text-link { border: 0; border-bottom: 1px solid var(--interactive-line); background: transparent; padding: 10px 0; display: inline-flex; align-items: center; gap: 24px; font-size: 14px; line-height: 20px; transition: border-color .18s; }
.text-link:hover { border-color: white; }
.small-link { display: inline-flex; align-items: center; gap: 8px; border: 0; background: transparent; padding: 8px 0; font-size: 12px; color: var(--body); white-space: nowrap; }
.small-link:hover { color: white; }
.small-link svg { width: 14px; height: 14px; }
.skip-link { position: fixed; z-index: 100; top: -70px; left: 16px; padding: 12px 24px; border-radius: var(--pill); background: white; color: black; }
.skip-link:focus { top: 12px; }

/* Navigation */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--canvas); border-bottom: 1px solid var(--line); }
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; font-size: 20px; line-height: 1; letter-spacing: -.6px; }
.brand-suffix { color: var(--mute); }
.brand-mark { display: flex; align-items: flex-end; gap: 3px; width: 25px; height: 25px; transform: skewY(-12deg); }
.brand-mark i { display: block; width: 6px; height: 24px; background: white; }
.brand-mark i:nth-child(2) { height: 17px; }
.brand-mark i:nth-child(3) { height: 10px; }
.desktop-nav { display: flex; gap: 32px; font-size: 14px; color: var(--body); }
.desktop-nav a { padding: 16px 0; }
.desktop-nav a:hover { color: white; }
.nav-cta { min-height: 40px; padding: 8px 16px; gap: 16px; }
.menu-toggle { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 44px; height: 44px; border: 1px solid var(--interactive-line); border-radius: var(--pill); background: transparent; }
.menu-toggle span { width: 18px; height: 1px; background: white; }
.mobile-nav { padding: 8px 24px 24px; display: grid; gap: 8px; border-top: 1px solid var(--line); }
.mobile-nav a { padding: 12px 0; }
.mobile-nav .button { margin-top: 8px; }

/* Hero: large display typography, followed by the real interface. */
.hero { overflow: hidden; }
.hero-grid { padding-top: 64px; }
.hero-copy h1 span { color: var(--body); }
.hero .eyebrow { color: var(--body); margin-bottom: 32px; }
.signal-dot { width: 6px; height: 6px; border-radius: 50%; background: white; }
.hero-bottom { display: flex; justify-content: space-between; align-items: flex-start; gap: 48px; margin-top: 40px; }
.hero-description { max-width: 560px; font-size: 18px; line-height: 28px; }
.hero-conversion { flex-shrink: 0; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.hero-actions .text-link { border: 1px solid var(--interactive-line); border-radius: var(--pill); padding: 13px 24px; }
.hero-actions .text-link:hover { background: var(--canvas-soft); border-color: white; }
.hero-note { margin-top: 16px; max-width: 390px; color: var(--mute); font-size: 12px; }
.hero-product { margin: 56px auto 0; max-width: 1080px; }
.product-label { display: flex; align-items: center; justify-content: space-between; gap: 16px; font: 400 12px/16px var(--mono); letter-spacing: 1.2px; color: var(--mute); margin-bottom: 16px; }
.product-label > span:first-child { display: flex; align-items: center; gap: 8px; }
.tiny-square { height: 5px; width: 5px; background: white; }
.terminal-window { border: 1px solid var(--canvas-mid); border-radius: var(--radius); overflow: hidden; background: var(--canvas-card); }
.window-bar { height: 36px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border-bottom: 1px solid var(--line); font: 400 10px/16px var(--mono); color: #85898e; }
.window-bar svg { width: 12px; height: 12px; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--mute); }
.screenshot-button { display: block; padding: 0; width: 100%; border: 0; background: var(--canvas); }
picture[data-preview-picture] { display: contents; }
.screenshot-button img { width: 100%; height: auto; }
.terminal-window figcaption { padding: 4px 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--mute); }
.terminal-window figcaption > .small-link { margin-left: auto; }
.status-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--body); }
.hero-product-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 16px; font: 400 11px/16px var(--mono); color: var(--mute); }
.hero-foundation { margin-top: 48px; padding: 24px 0; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hero-foundation > span { max-width: 350px; font: 400 11px/18px var(--mono); letter-spacing: 1.1px; color: var(--mute); }
.hero-foundation > div { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--body); }
.hero-foundation i { font-style: normal; color: var(--mute); }

/* Product case */
.case-section { padding: 64px 0; border-top: 1px solid var(--line); }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.case-identity { padding-right: 48px; }
.case-identity .eyebrow { font-size: 11px; }
.edgex-wordmark { display: flex; align-items: center; font-size: 128px; line-height: 1; letter-spacing: -8px; font-weight: 400; margin: 48px 0 32px; }
.edgex-wordmark span { color: white; }
.edgex-wordmark svg { width: 40px; height: 40px; margin-left: auto; color: var(--mute); }
.case-identity > p:last-child { color: var(--mute); font-size: 16px; }
.case-copy h2 { margin-bottom: 24px; font-size: 40px; line-height: 1.1; }
.case-copy > p { font-size: 16px; line-height: 24px; margin-top: 16px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 16px; }
.case-tags span { padding: 6px 12px; border: 1px solid var(--canvas-mid); border-radius: var(--pill); font-size: 12px; color: var(--body); }
.case-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.case-actions .text-link, .faq-answer [data-edgex-source] { min-height: 44px; max-width: 100%; }
.case-copy > .case-live-note { color: var(--mute); font-size: 12px; line-height: 20px; margin-top: 12px; }

/* Interactive platform tour */
.section-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; margin-bottom: 48px; }
.section-intro { font-size: 16px; line-height: 24px; min-width: 260px; max-width: 380px; }
.platform-tabs { display: flex; flex-wrap: wrap; gap: 12px; padding: 16px 0 24px; border-bottom: 1px solid var(--line); }
.platform-tabs button { flex: 1 1 calc(25% - 9px); min-width: 0; min-height: 48px; display: flex; align-items: center; gap: 12px; padding: 12px 20px; border: 1px solid var(--interactive-line); border-radius: var(--pill); background: transparent; color: var(--body); font-size: 14px; text-align: left; }
.platform-tabs button span { color: var(--mute); font: 400 11px/16px var(--mono); }
.platform-tabs button svg { margin-left: auto; width: 16px; height: 16px; }
.platform-tabs button:hover { background: var(--canvas-soft); border-color: white; }
.platform-tabs button[aria-selected=true] { background: white; color: var(--canvas); border-color: white; }
.platform-tabs button[aria-selected=true] span { color: #54565a; }
.platform-panel { display: grid; grid-template-columns: 288px minmax(0, 1fr); gap: 48px; align-items: start; padding: 40px 0; }
.platform-info { padding-top: 8px; }
.platform-info .mini-label { font-size: 11px; }
.platform-info h3 { margin: 24px 0 16px; }
.platform-info > p { font-size: 14px; line-height: 24px; }
.platform-info .text-link { margin-top: 24px; gap: 16px; }
.platform-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 24px; }
.platform-info .platform-actions .text-link { margin-top: 0; }
.platform-info .source-note { margin-top: 32px; font-size: 12px; line-height: 20px; color: var(--mute); }
.scenario-contact { margin-top: 24px; }
.screen-stage { aspect-ratio: 8 / 5; background: var(--canvas-card); border: 1px solid var(--canvas-mid); border-radius: var(--radius); display: flex; justify-content: center; align-items: center; overflow: hidden; }
.screen-stage img { width: 100%; height: 100%; object-fit: contain; }
.platform-figure figcaption { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 8px; font-size: 12px; line-height: 20px; color: var(--mute); }
.workflow { display: grid; grid-template-columns: 1fr 20px 1fr 20px 1fr 20px 1fr; gap: 24px; align-items: center; padding: 32px 0; border-top: 1px solid var(--line); }
.workflow > svg { width: 16px; height: 16px; color: var(--mute); }
.workflow div > span { display: block; margin-bottom: 12px; font: 400 12px/16px var(--mono); color: var(--mute); }
.workflow strong { display: block; font-weight: 400; font-size: 16px; }
.workflow p { font-size: 14px; line-height: 20px; margin-top: 8px; color: var(--mute); }
.execution-note { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; font-size: 14px; line-height: 24px; }
.execution-note > span { display: block; margin-bottom: 8px; color: white; }

/* Configuration, delivery and implementation */
.configuration-section { padding: 64px 0; border-top: 1px solid var(--line); }
.configuration-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.configuration-section h2 { line-height: 1.12; }
.configuration-section h2 > span { color: var(--mute); }
.configuration-intro { max-width: 400px; margin-top: 32px; }
.configuration-list article { display: flex; gap: 24px; padding: 24px 0; border-top: 1px solid var(--line); }
.configuration-list article:first-child { padding-top: 0; border: 0; }
.configuration-list article:last-child { padding-bottom: 0; }
.configuration-list article > span { font: 400 12px/20px var(--mono); color: var(--mute); margin-top: 4px; }
.configuration-list h3 { font-size: 24px; line-height: 32px; }
.configuration-list p { font-size: 14px; line-height: 24px; margin-top: 12px; }
.status-label { display: inline-block; margin-top: 16px; font: 400 10px/16px var(--mono); letter-spacing: 1px; color: var(--mute); }
.delivery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.delivery-card { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--canvas-card); display: flex; flex-direction: column; }
.delivery-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.plan-icon { font-size: 32px; line-height: 1; color: white; }
.delivery-card h3 { font-size: 40px; line-height: 44px; letter-spacing: -1px; margin-bottom: 24px; }
.delivery-card > p { max-width: 420px; font-size: 16px; line-height: 24px; }
.check-list { list-style: none; padding: 0; margin: 24px 0 32px; }
.check-list li { position: relative; padding-left: 24px; margin: 12px 0; color: var(--body); font-size: 14px; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--mute); }
.delivery-card > .button { margin-top: auto; align-self: flex-start; }
.commercial-note { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 80px; padding-top: 32px; margin-top: 8px; }
.commercial-note h3 { font-size: 20px; line-height: 28px; letter-spacing: 0; }
.commercial-note p { font-size: 14px; line-height: 24px; }
.commercial-note > span { grid-column: 2; color: var(--mute); font-size: 12px; line-height: 20px; }
.launch-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.launch-steps > li { padding-top: 24px; border-top: 1px solid var(--canvas-mid); }
.launch-steps li > span { color: var(--mute); font: 400 12px/16px var(--mono); }
.launch-steps h3 { font-size: 24px; line-height: 28px; margin: 32px 0 16px; }
.launch-steps p { font-size: 14px; line-height: 24px; }
.launch-steps strong { display: block; font-size: 12px; line-height: 20px; font-weight: 400; color: var(--mute); margin-top: 24px; }
.support-note { display: flex; align-items: flex-start; gap: 24px; padding: 24px; margin-top: 40px; border: 1px solid var(--line); border-radius: var(--radius); }
.support-note p { font-size: 14px; line-height: 24px; }
.support-note strong { color: white; font-weight: 400; }
.support-mark { color: var(--mute); font-size: 28px; line-height: 1; }

/* Scenario calculator and questions */
.economics-section { padding: 64px 0; border-top: 1px solid var(--line); }
.economics-disclosure > summary { display: flex; justify-content: space-between; align-items: center; gap: 48px; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
.economics-disclosure summary p:last-child { font-size: 14px; line-height: 24px; margin-top: 24px; max-width: 540px; }
.disclosure-action { display: flex; align-items: center; gap: 24px; flex-shrink: 0; padding: 12px 24px; border: 1px solid var(--interactive-line); border-radius: var(--pill); font-size: 14px; }
.disclosure-action svg { transition: transform .18s; }
.economics-disclosure[open] .disclosure-action svg { transform: rotate(45deg); }
.economics-content { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 80px; margin-top: 40px; padding-top: 40px; border-top: 1px solid var(--line); }
.calculator-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.calculator-fields label { font-size: 14px; line-height: 20px; }
input { border: 1px solid var(--interactive-line); border-radius: var(--radius); padding: 12px 16px; background: var(--canvas-soft); color: white; font-size: 16px; line-height: 24px; }
.calculator-fields input { width: 100%; margin-top: 12px; display: block; }
.calculator-fields input:invalid { border-color: #ff7a17; }
.calculator-results > div { display: flex; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); padding: 16px 0; font-size: 14px; }
.calculator-results output { font: 400 16px/24px var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.calculator-results .calculator-total { border: 0; align-items: center; padding-top: 32px; }
.calculator-total > span { max-width: 180px; }
.calculator-total output { font-size: 32px; line-height: 40px; letter-spacing: -1px; }
.calculator-disclaimer { grid-column: 1 / -1; font-size: 12px; line-height: 20px; color: var(--mute); max-width: 1000px; }
.calc-validation { grid-column: 1 / -1; color: #ffc285; font-size: 14px; }
.calc-validation:empty { display: none; }
#calc-remainder[data-state=negative] { color: #ffc285; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.faq-grid > div:first-child > p:last-child { font-size: 16px; line-height: 24px; margin-top: 24px; color: var(--mute); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 24px 0; font-size: 16px; line-height: 24px; }
.faq-list summary svg { width: 20px; height: 20px; color: var(--mute); transition: transform .18s; }
.faq-list details[open] summary svg { transform: rotate(45deg); }
.faq-list details > p { padding: 0 40px 24px 0; font-size: 14px; line-height: 24px; }

/* Final invitation and footer */
.final-cta { padding: 80px 0; border-top: 1px solid var(--line); }
.final-grid { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; }
.final-cta h2 { font-size: 56px; line-height: 1.05; letter-spacing: -1.4px; }
.final-cta p:not(.eyebrow) { font-size: 16px; line-height: 24px; margin-top: 24px; }
.final-actions { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.final-actions .button { min-width: 256px; }
.final-actions > span { font-size: 12px; color: var(--mute); }
.site-footer { padding: 48px 0 24px; border-top: 1px solid var(--line); }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 48px; }
.footer-top > div { display: flex; align-items: center; gap: 40px; color: var(--body); font-size: 14px; }
.footer-top > div > a { display: flex; align-items: center; gap: 12px; }
.footer-top svg { width: 14px; height: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font: 400 10px/16px var(--mono); color: var(--mute); }

/* Accessible native dialogs */
dialog { max-height: 90vh; border: 1px solid var(--canvas-mid); border-radius: var(--radius); background: var(--canvas-card); color: white; }
dialog::backdrop { background: #000d; }
.dialog-close { position: absolute; right: 16px; top: 16px; display: grid; place-items: center; width: 40px; height: 40px; background: var(--canvas-card); border: 1px solid var(--interactive-line); border-radius: var(--pill); font-size: 24px; line-height: 1; z-index: 2; }
.image-dialog { width: min(1200px, 94vw); padding: 64px 24px 24px; overflow: auto; }
.image-dialog img { width: 100%; max-height: 72vh; object-fit: contain; }
.image-dialog > p { text-align: center; color: var(--body); font-size: 14px; margin-top: 16px; }
.demo-dialog { width: min(560px, 94vw); padding: 0; }
.demo-dialog-content { padding: 56px 32px 32px; }
.demo-dialog h2 { font-size: 40px; line-height: 44px; margin-bottom: 24px; }
.demo-dialog-content > p:not(.eyebrow) { font-size: 14px; line-height: 24px; }
.demo-dialog .eyebrow { font-size: 10px; margin-bottom: 24px; }
.demo-agenda { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.demo-agenda span { padding: 6px 12px; border: 1px solid var(--canvas-mid); border-radius: var(--pill); font-size: 12px; color: var(--body); }
#demo-form label { display: block; font-size: 14px; margin-top: 16px; }
#demo-form label > span { color: var(--mute); font-size: 12px; margin-left: 4px; }
#demo-form input { display: block; width: 100%; margin-top: 8px; }
#demo-form .button { width: 100%; margin-top: 24px; }
.prototype-notice { font-size: 12px; line-height: 20px; text-align: center; color: var(--mute); margin-top: 16px; }
.success-icon { width: 48px; height: 48px; border: 1px solid var(--interactive-line); border-radius: var(--pill); display: grid; place-items: center; margin-bottom: 24px; }
.demo-success h3 { font-size: 28px; margin-bottom: 16px; }
.demo-success p { font-size: 14px; line-height: 24px; }
.demo-success .button { margin-top: 24px; }

@media (max-width: 1199px) {
  .container { width: calc(100% - 64px); }
  .desktop-nav { gap: 24px; }
  .brand { font-size: 18px; }
  h1 { font-size: 80px; line-height: 1; letter-spacing: -2px; }
  .hero-bottom { gap: 32px; }
  .hero-description { font-size: 16px; line-height: 24px; max-width: 460px; }
  .hero-actions { gap: 16px; }
  .hero-actions .button, .hero-actions .text-link { padding-inline: 20px; gap: 16px; }
  .hero-product { margin-top: 48px; }
  .hero-foundation > div { gap: 16px; font-size: 12px; }
  .case-grid, .configuration-grid, .commercial-note, .faq-grid { gap: 48px; }
  .case-identity { padding-right: 0; }
  .edgex-wordmark { font-size: 104px; letter-spacing: -6px; }
  .case-copy h2 { font-size: 36px; }
  .section-top { gap: 32px; }
  h2 { font-size: 40px; line-height: 44px; letter-spacing: -1px; }
  .section-intro { font-size: 14px; min-width: 230px; }
  .platform-tabs button { padding-inline: 16px; gap: 8px; }
  .platform-panel { grid-template-columns: 248px minmax(0, 1fr); gap: 32px; }
  .workflow { gap: 16px; }
  .workflow strong { font-size: 14px; }
  .workflow p { font-size: 12px; }
  .launch-steps { gap: 24px; }
  .launch-steps h3 { font-size: 20px; }
  .final-cta h2 { font-size: 48px; }
}
@media (max-width: 1023px) {
  .desktop-nav { display: none; }
  .nav-cta { margin-left: auto; }
  .menu-toggle { display: flex; }
  .nav-row { height: 72px; gap: 16px; }
  h1 { font-size: 72px; line-height: 1; letter-spacing: -1.8px; }
  .hero-bottom { flex-direction: column; gap: 32px; }
  .hero-description { max-width: 590px; font-size: 18px; line-height: 28px; }
  .hero-product { margin-top: 48px; }
  .hero-foundation { align-items: flex-start; }
  .hero-foundation > span { max-width: 230px; }
  .hero-foundation > div { flex-wrap: wrap; justify-content: flex-end; }
  .case-grid { gap: 32px; }
  .case-copy h2 { font-size: 32px; line-height: 36px; }
  .case-copy > p { font-size: 14px; line-height: 24px; }
  .case-identity .eyebrow { font-size: 10px; }
  .edgex-wordmark { font-size: 88px; letter-spacing: -5px; }
  .edgex-wordmark svg { width: 24px; height: 24px; }
  .case-identity > p:last-child { font-size: 14px; }
  .section-top { flex-direction: column; align-items: flex-start; gap: 24px; }
  .section-intro { font-size: 16px; max-width: 550px; }
  .section-intro br { display: none; }
  .platform-tabs { gap: 8px; }
  .platform-tabs button { flex-basis: calc(33.333% - 6px); font-size: 12px; padding: 12px; }
  .platform-tabs button span { font-size: 10px; }
  .platform-panel { grid-template-columns: 1fr; gap: 24px; }
  .platform-info { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; }
  .platform-info .mini-label { grid-column: 1 / -1; }
  .platform-info h3 { margin: 8px 0; }
  .platform-info > p { grid-column: 2; grid-row: 2 / 4; }
  .platform-info .text-link { justify-self: start; margin: 0; }
  .platform-actions { grid-column: 1; margin-top: 0; }
  .platform-info .source-note { grid-column: 1 / -1; grid-row: auto; margin: 12px 0 0; }
  .configuration-grid { gap: 40px; }
  .configuration-section h2 { font-size: 36px; line-height: 40px; }
  .configuration-list h3 { font-size: 20px; line-height: 28px; }
  .delivery-card { padding: 24px; }
  .delivery-card h3 { font-size: 32px; line-height: 36px; }
  .delivery-card > p { font-size: 14px; }
  .delivery-card > .button { width: 100%; padding-inline: 16px; gap: 16px; }
  .launch-steps { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .launch-steps h3 { font-size: 24px; }
  .economics-content { gap: 32px; }
  .calculator-fields { gap: 16px; }
  .faq-grid { grid-template-columns: .7fr 1.3fr; gap: 40px; }
  .final-grid { flex-direction: column; align-items: flex-start; gap: 32px; }
  .final-actions { align-items: flex-start; }
  .footer-top > div { flex-direction: column; align-items: flex-start; gap: 16px; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 40px); }
  .section, .case-section, .configuration-section, .economics-section, .final-cta { padding: 48px 0; }
  .nav-row { height: 64px; }
  .brand { font-size: 18px; }
  .brand-mark { transform: scale(.85) skewY(-12deg); }
  .nav-cta { display: none; }
  .menu-toggle { margin-left: auto; }
  .eyebrow, .section-number { font-size: 10px; letter-spacing: 1px; margin-bottom: 24px; }
  .hero-grid { padding-top: 48px; }
  .hero .eyebrow { margin-bottom: 24px; font-size: 10px; }
  h1 { font-size: clamp(42px, 8.5vw, 64px); line-height: 1.03; letter-spacing: -1.3px; text-wrap: initial; }
  .hero-copy h1 > br { display: none; }
  .hero-copy h1 > span { display: block; margin-top: 4px; }
  .hero-bottom { margin-top: 24px; gap: 24px; }
  .hero-description { font-size: 16px; line-height: 24px; }
  .hero-actions { flex-wrap: wrap; gap: 12px; }
  .hero-actions .button, .hero-actions .text-link { padding: 12px 18px; gap: 12px; font-size: 13px; }
  .hero-note { font-size: 12px; line-height: 20px; margin-top: 16px; max-width: 340px; }
  .hero-product { margin-top: 40px; }
  .product-label { font-size: 9px; letter-spacing: .8px; line-height: 16px; margin-bottom: 12px; }
  .window-bar { height: 28px; padding-inline: 12px; font-size: 8px; }
  .terminal-window figcaption { padding: 4px 12px; font-size: 10px; gap: 8px; }
  .small-link { font-size: 11px; }
  .hero-product-bottom { font-size: 9px; gap: 8px; margin-top: 12px; }
  .hero-foundation { display: block; margin-top: 32px; padding: 24px 0; }
  .hero-foundation > span { font-size: 9px; max-width: none; letter-spacing: .9px; }
  .hero-foundation > div { justify-content: flex-start; gap: 8px 12px; margin-top: 12px; font-size: 11px; }
  h2 { font-size: 36px; line-height: 38px; letter-spacing: -.9px; }
  h3 { font-size: 28px; line-height: 32px; }
  .case-grid { grid-template-columns: 1fr; gap: 32px; }
  .case-identity { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
  .case-identity .eyebrow { grid-column: 1 / -1; margin-bottom: 8px; font-size: 9px; }
  .edgex-wordmark { margin: 0; font-size: 64px; letter-spacing: -4px; }
  .edgex-wordmark svg { display: none; }
  .case-identity > p:last-child { font-size: 12px; line-height: 20px; align-self: end; }
  .case-copy .section-number { margin-bottom: 16px; }
  .case-copy h2 { font-size: 32px; line-height: 36px; }
  .case-tags span { font-size: 11px; padding-inline: 10px; }
  .case-copy .text-link { font-size: 13px; gap: 16px; }
  .section-top { margin-bottom: 32px; }
  .section-intro { font-size: 14px; line-height: 24px; }
  .platform-tabs { padding-top: 0; gap: 12px; }
  .platform-tabs button { flex-basis: calc(50% - 6px); min-height: 44px; padding: 10px 12px; font-size: 12px; }
  .platform-tabs button svg { width: 14px; height: 14px; }
  .platform-panel { padding: 24px 0; gap: 24px; }
  .platform-info { display: block; }
  .platform-info h3 { margin: 16px 0; font-size: 28px; }
  .platform-info .text-link { margin-top: 16px; }
  .platform-actions { margin-top: 16px; }
  .platform-info .source-note { margin-top: 24px; }
  .platform-figure figcaption { gap: 16px; font-size: 11px; line-height: 18px; }
  .workflow { grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 0; }
  .workflow > svg { display: none; }
  .workflow strong { font-size: 14px; }
  .workflow p { font-size: 12px; line-height: 20px; }
  .execution-note { padding: 20px; font-size: 12px; line-height: 20px; }
  .configuration-grid { grid-template-columns: 1fr; gap: 32px; }
  .configuration-intro { font-size: 14px; line-height: 24px; margin-top: 24px; }
  .configuration-list article { gap: 20px; }
  .status-label { font-size: 9px; letter-spacing: .8px; }
  .delivery-grid { grid-template-columns: 1fr; gap: 16px; }
  .delivery-card h3 { font-size: 32px; line-height: 36px; }
  .delivery-card h3 br { display: none; }
  .delivery-card-top { margin-bottom: 24px; }
  .delivery-card .mini-label { font-size: 10px; letter-spacing: 1px; }
  .check-list { margin: 24px 0; }
  .check-list li { font-size: 13px; line-height: 20px; }
  .commercial-note { display: block; padding-top: 24px; }
  .commercial-note h3 { margin-bottom: 16px; }
  .commercial-note > span { display: block; margin-top: 16px; }
  .launch-steps { gap: 32px 24px; }
  .launch-steps h3 { font-size: 20px; line-height: 24px; margin: 24px 0 16px; }
  .launch-steps p { font-size: 13px; line-height: 20px; }
  .launch-steps strong { font-size: 11px; line-height: 18px; margin-top: 16px; }
  .support-note { padding: 20px; gap: 16px; margin-top: 32px; }
  .support-note p { font-size: 12px; line-height: 20px; }
  .support-note strong { display: block; margin-bottom: 8px; }
  .economics-disclosure > summary { display: block; }
  .economics-disclosure summary p:last-child { font-size: 14px; line-height: 24px; }
  .disclosure-action { display: inline-flex; margin-top: 24px; padding: 12px 20px; font-size: 13px; }
  .economics-content { grid-template-columns: 1fr; gap: 32px; margin-top: 32px; padding-top: 32px; }
  .calculator-fields { gap: 24px 16px; }
  .calculator-fields label { font-size: 12px; }
  .calculator-fields input { padding-inline: 12px; margin-top: 8px; }
  .calculator-results > div { font-size: 12px; }
  .calculator-total output { font-size: 28px; }
  .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .faq-grid > div:first-child > p:last-child { margin-top: 24px; font-size: 14px; }
  .faq-grid > div:first-child > p:last-child br { display: none; }
  .faq-list summary { font-size: 14px; line-height: 24px; padding: 20px 0; gap: 24px; }
  .faq-list details > p { font-size: 14px; line-height: 24px; padding-right: 16px; }
  .final-cta h2 { font-size: 36px; line-height: 40px; letter-spacing: -.9px; }
  .final-cta p:not(.eyebrow) { font-size: 14px; }
  .final-actions { width: 100%; align-items: stretch; }
  .final-actions > span { text-align: center; font-size: 11px; }
  .site-footer { padding: 32px 0 24px; }
  .footer-top { display: block; }
  .footer-top > div { margin-top: 32px; font-size: 12px; gap: 16px; }
  .footer-bottom { display: grid; grid-template-columns: 1fr auto; gap: 16px; margin-top: 32px; font-size: 9px; }
  .footer-bottom > span:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .footer-bottom > a { grid-column: 2; grid-row: 1; }
  .demo-dialog-content { padding: 64px 24px 24px; }
  .demo-dialog h2 { font-size: 32px; line-height: 36px; }
  .demo-dialog .eyebrow { font-size: 9px; letter-spacing: .8px; }
  .image-dialog { padding: 64px 12px 16px; }
  .image-dialog > p { font-size: 12px; line-height: 20px; }
}
@media (max-width: 374px) {
  .container { width: calc(100% - 32px); }
  .hero-actions { gap: 10px; }
  .hero-actions .button, .hero-actions .text-link { font-size: 12px; padding-inline: 14px; gap: 10px; }
  .hero-product-bottom { font-size: 8px; gap: 4px; }
  .edgex-wordmark { font-size: 56px; }
  .launch-steps { grid-template-columns: 1fr; }
  .launch-steps h3 { margin-top: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* A slight lift keeps small secondary text above 4.5:1 on charcoal cards. */
.delivery-card .mini-label, .demo-dialog .eyebrow, .prototype-notice,
#demo-form label > span, .terminal-window figcaption { color: #8c9096; }
@media (min-width: 1024px) { .mobile-nav { display: none; } }

/* Equal gallery columns across every completed row. */
.platform-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.platform-tabs button{width:100%;min-height:52px}
@media(max-width:1020px){.platform-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.platform-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.platform-tabs button{min-height:48px}}
/* Device-aware product previews share the live demo's layout selection. */
.preview-device-control{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:0 0 24px;font-size:12px;color:#a3a5ab}
.preview-device-switch{display:flex;gap:4px;padding:4px;background:#141414;border:1px solid #36383c;border-radius:12px}
.preview-device-switch button{padding:8px 16px;min-height:36px;border:0;border-radius:8px;background:transparent;color:#a3a5ab;font:inherit;cursor:pointer}
.preview-device-switch button[aria-pressed=true]{background:#65defa;color:#06242e}
body:is([data-preview-device=mobile],[data-preview-device=tablet]) .screenshot-button,body:is([data-preview-device=mobile],[data-preview-device=tablet]) .screen-stage{display:flex;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#20272b,#101010 70%);padding:24px;aspect-ratio:auto}
body:is([data-preview-device=mobile],[data-preview-device=tablet]) .screenshot-button img,body:is([data-preview-device=mobile],[data-preview-device=tablet]) #platform-image{width:auto;height:auto;max-height:680px;max-width:100%;object-fit:contain;border:1px solid #36383c;border-radius:12px;box-shadow:0 24px 70px #0006}
body[data-preview-device=mobile] .terminal-window{max-width:940px;margin-inline:auto}
@media(max-width:600px){.preview-device-control{display:block;margin-bottom:20px}.preview-device-control>span{display:block;margin-bottom:10px}.preview-device-switch{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.preview-device-switch button{padding:9px 3px;font-size:11px;min-height:40px}body:is([data-preview-device=mobile],[data-preview-device=tablet]) .screenshot-button,body:is([data-preview-device=mobile],[data-preview-device=tablet]) .screen-stage{padding:0}body:is([data-preview-device=mobile],[data-preview-device=tablet]) .screenshot-button img,body:is([data-preview-device=mobile],[data-preview-device=tablet]) #platform-image{width:100%;max-height:none;border:0;border-radius:0}}

/* Language choice stays visible beside navigation, including narrow phones. */
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.language-switch { display: flex; align-items: center; border: 1px solid var(--interactive-line); border-radius: var(--pill); padding: 2px; }
.language-switch a { display: flex; align-items: center; justify-content: center; min-width: 36px; min-height: 36px; border-radius: var(--pill); color: var(--mute); font: 500 11px/1 var(--mono); letter-spacing: .2px; }
.language-switch a:hover { color: white; }
.language-switch a[aria-current="page"] { background: white; color: var(--canvas); }
.language-switch a:focus-visible { outline: 2px solid #65defa; outline-offset: 3px; }
@media (min-width: 1024px) and (max-width: 1199px) {
  .nav-row { gap: 20px; }
  .nav-row .brand { font-size: 18px; gap: 8px; }
  .desktop-nav { gap: 20px; }
  .nav-cta { padding-inline: 12px; gap: 8px; }
  .nav-actions { gap: 8px; }
}
@media (max-width: 1023px) {
  .nav-actions { margin-left: auto; }
  .nav-actions .nav-cta, .nav-actions .menu-toggle { margin-left: 0; }
}
@media (max-width: 767px) {
  .nav-row { gap: 10px; }
  .nav-actions { gap: 8px; }
  .language-switch { padding: 0; }
  .language-switch a { min-height: 42px; min-width: 32px; }
}
@media (max-width: 389px) {
  .nav-row { gap: 8px; }
  .nav-row .brand { font-size: 14px; gap: 7px; letter-spacing: -.35px; }
  .nav-row .brand-mark { width: 21px; gap: 2px; }
  .nav-actions { gap: 6px; }
  .nav-actions .menu-toggle { width: 40px; }
}

/* Match native picture art direction before application JavaScript initializes. */
@media(max-width:1180px){
  body:not([data-preview-device]) .screenshot-button,body:not([data-preview-device]) .screen-stage{display:flex;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#20272b,#101010 70%);padding:24px;aspect-ratio:auto}
  body:not([data-preview-device]) .screenshot-button img,body:not([data-preview-device]) #platform-image{width:auto;height:auto;max-height:680px;max-width:100%;object-fit:contain;border:1px solid #36383c;border-radius:12px;box-shadow:0 24px 70px #0006}
}
@media(max-width:600px){
  body:not([data-preview-device]) .screenshot-button,body:not([data-preview-device]) .screen-stage{padding:0}
  body:not([data-preview-device]) .screenshot-button img,body:not([data-preview-device]) #platform-image{width:100%;max-height:none;border:0;border-radius:0}
  body:not([data-preview-device]) .terminal-window{max-width:940px;margin-inline:auto}
}