:root {
  --ink: #071a2c; --ink-2: #10283b; --paper: #f4f5ef; --text: #203746; --muted: #52666f;
  --rule: #c7d2cf; --mint: #12cfb2; --mint-dark: #007969; --mint-soft: #dff6ef; --blue: #316bff;
  --max: 1280px; --gutter: max(28px, calc((100vw - var(--max)) / 2));
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, Georgia, serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--text); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
[hidden] { display: none !important; }
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button, a, summary { touch-action: manipulation; -webkit-tap-highlight-color: rgba(18,207,178,.2); }
button:disabled { opacity: .55; cursor: wait; }
::selection { color: var(--ink); background: var(--mint); }
:focus-visible { outline: 3px solid #c87d00; outline-offset: 4px; }
.dark-section :focus-visible, .demo-shell :focus-visible { outline-color: #ffc166; }
[id] { scroll-margin-top: 90px; }
.skip-link { position: fixed; z-index: 200; top: 8px; left: -9999px; padding: 12px 16px; color: var(--ink); background: var(--mint); }
.skip-link:focus { left: 8px; }
.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 84px; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; color: #fff; background: rgba(7,26,44,.95); border-bottom: 1px solid #294352; }
.site-header.is-scrolled { height: 68px; color: var(--ink); background: rgba(244,245,239,.97); border-color: var(--rule); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 42px; height: 42px; position: relative; flex-shrink: 0; }
.brand-mark img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.brand-mark-light { opacity: 0; }
.site-header.is-scrolled .brand-mark-dark { opacity: 0; }
.site-header.is-scrolled .brand-mark-light { opacity: 1; }
.brand-name { display: flex; align-items: baseline; gap: 10px; }
.brand-name strong { font-family: var(--serif); font-size: 22px; letter-spacing: .08em; }
.brand-name small { font-family: var(--mono); font-size: 12px; }
.site-nav { display: flex; align-items: center; gap: clamp(16px,2.6vw,38px); font-size: 14px; }
.site-nav a { padding: 14px 0; }
.site-nav a:hover { text-decoration: underline; text-underline-offset: 6px; }
.site-nav .nav-cta { padding: 13px 18px; color: var(--ink); background: var(--mint); }
.menu-button { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: inherit; }
.menu-button span { width: 24px; height: 2px; margin: 6px auto; display: block; background: currentColor; }
.dark-section { color: #fff; background: var(--ink); }
.hero { min-height: min(920px,100svh); padding: 165px var(--gutter) 100px; position: relative; display: grid; grid-template-columns: 1.03fr .97fr; gap: 54px; align-items: center; overflow: hidden; }
.hero-grid { position: absolute; inset: 0 0 0 45%; opacity: .3; background-image: linear-gradient(#294352 1px,transparent 1px),linear-gradient(90deg,#294352 1px,transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(90deg,transparent,#000); pointer-events: none; }
.hero-copy, .hero-score { position: relative; z-index: 1; min-width: 0; }
.eyebrow { margin: 0 0 20px; color: var(--mint-dark); font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.eyebrow.mint { color: var(--mint); }
.hero h1 { margin: 0; color: #fff; font-family: var(--serif); font-size: clamp(50px,5.6vw,78px); line-height: 1.15; letter-spacing: -.045em; }
.hero h1 em { color: var(--mint); font-style: normal; }
.hero-deck { margin: 30px 0 0; color: #c9d5da; font-family: var(--serif); font-size: 21px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { min-height: 48px; padding: 13px 21px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; border: 1px solid transparent; font-size: 14px; font-weight: 700; transition: transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--mint); }
.button-ghost { color: #fff; border-color: #718997; }
.button-ghost:hover { color: var(--ink); background: #fff; }
.button-dark { color: #fff; background: var(--ink); }
.hero-score { padding: 20px; background: #081b2a; border: 1px solid #3a5667; box-shadow: 0 28px 70px #0003; }
.score-topline { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #a9bec9; font-size: 12px; }
.motion-toggle { min-height: 44px; padding: 6px 8px; border: 0; border-bottom: 1px solid #456170; color: #c8d9df; background: transparent; font-size: 12px; }
.motion-toggle:hover { color: var(--mint); }
.score-input, .score-output { padding: 15px 12px; display: flex; align-items: center; gap: 12px; border: 1px solid #304958; background: #102432; }
.score-index { flex-shrink: 0; width: 29px; height: 29px; display: grid; place-items: center; color: var(--ink); background: var(--mint); font-family: var(--mono); font-size: 12px; }
.score-input div, .score-output div { display: grid; gap: 5px; }
.score-input small, .score-output small { color: #afc2cc; font-size: 12px; }
.score-input strong, .score-output strong { font-size: 15px; }
.score-tag { margin-left: auto; color: var(--mint); font-size: 11px; white-space: nowrap; }
.score-rail { display: block; width: 100%; height: 72px; overflow: visible; }
.signal-lines { fill: none; stroke: #5d899e; stroke-width: 1; }
.signal-nodes { fill: var(--mint); }
.signal-pulses { fill: #fff; visibility: hidden; }
.motion-ready .signal-pulses { visibility: visible; }
.motion-paused .signal-pulses { visibility: hidden; }
.score-paths { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }
.score-paths article { margin: 0 4px; padding: 15px 10px; border: 1px solid #304958; background: #102432; min-width: 0; }
.score-paths span { color: #a6bdc9; font-size: 11px; }
.score-paths h2 { color: #fff; font-family: var(--serif); font-size: 15px; line-height: 1.4; margin: 12px 0 8px; }
.score-paths p { margin: 0; color: #aebfc8; font-size: 12px; line-height: 1.6; }
.score-output { margin-top: 12px; }
.score-output .score-index { background: var(--blue); color: #fff; }
.score-note { font-size: 11px; color: #afc2cc; margin: 14px 0 0; }
.hero-foot { position: absolute; left: var(--gutter); bottom: 28px; display: flex; align-items: center; gap: 15px; color: #9ab0bd; font-family: var(--mono); font-size: 11px; }
.hero-foot i { width: 28px; height: 1px; background: #4c6777; }
.section { position: relative; padding: 108px var(--gutter) 96px; }
.section-meta { display: flex; align-items: center; gap: 14px; margin: 0 0 32px; color: var(--muted); font-size: 12px; }
.section-meta span { color: var(--mint-dark); font-family: var(--mono); }
.section-meta p { margin: 0; }
.dark-section .section-meta { color: #b0c0cb; }
.dark-section .section-meta span { color: var(--mint); }
.section-heading { max-width: 1040px; }
.section-heading.compact { max-width: 920px; }
.section-heading h2 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(38px,4.4vw,62px); line-height: 1.22; letter-spacing: -.035em; text-wrap: balance; }
.dark-section .section-heading h2 { color: #fff; }
.section-heading > p:last-child { max-width: 810px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.dark-section .section-heading > p:last-child { color: #b3c5cf; }
.phrase { display: block; }
.section-note { margin: 24px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; max-width: 1040px; }
.evidence-section, .middleware-section { background: #fff; }
.demo-shell { margin-top: 36px; color: #fff; background: var(--ink); border: 1px solid #284653; }
.player-toolbar { padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.simulation-label { color: var(--mint); font-size: 14px; font-weight: 600; white-space: nowrap; }
.segmented { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; border: 1px solid #527182; }
.segmented button { min-height: 44px; padding: 10px 16px; color: #c1d2dc; background: transparent; border: 0; font-size: 13px; }
.segmented button:hover { background: #234052; color: #fff; }
.segmented button[aria-selected="true"] { color: var(--ink); background: var(--mint); }
.demo-media { position: relative; background: #060f19; }
.demo-media video { width: 100%; height: auto; aspect-ratio: 16 / 9; max-height: 680px; object-fit: contain; color-scheme: dark; }
.demo-shell[data-view]:not([data-view="all"]) video { aspect-ratio: 16 / 9; }
.player-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 20px; }
.player-footer p { margin: 0; max-width: 660px; color: #b5c8d2; font-size: 13px; line-height: 1.7; }
.player-actions { display: flex; gap: 12px; flex-shrink: 0; align-items: center; }
.player-actions button, .video-error button { min-height: 44px; padding: 10px 16px; border: 1px solid #7ca0ad; background: transparent; color: #fff; font-size: 13px; }
.player-actions a { padding: 12px 0; color: #c5e7e1; font-size: 13px; }
.player-actions a:hover { text-decoration: underline; }
.player-actions button:hover, .video-error button:hover { background: #294653; }
.video-error { padding: 20px; border-top: 1px solid #63767e; color: #fff; }
.video-error p { margin-top: 0; line-height: 1.7; }
.nojs-videos { padding: 20px; }.nojs-videos a { text-decoration: underline; }
.comparison-facts { margin-top: 26px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--rule); }
.comparison-facts article { padding: 26px 28px 4px 0; }
.comparison-facts article + article { padding-left: 28px; border-left: 1px solid var(--rule); }
.comparison-facts span { color: var(--mint-dark); font-size: 13px; }
.comparison-facts h3 { margin: 12px 0; font-family: var(--serif); font-size: 25px; color: var(--ink); }
.comparison-facts p { font-size: 15px; line-height: 1.85; color: var(--muted); margin: 0; }
.architecture { margin-top: 44px; }
.arch-band { padding: 22px; display: grid; grid-template-columns: 175px 1fr; align-items: center; gap: 20px; border: 1px solid var(--rule); }
.arch-label { color: var(--muted); font-size: 13px; }
.arch-items { display: grid; grid-template-columns: repeat(4,1fr); }
.arch-items b { padding: 8px 12px; color: var(--ink); font-size: 14px; border-left: 1px solid var(--rule); text-align: center; font-weight: 500; }
.arch-connector { display: flex; align-items: center; justify-content: center; gap: 18px; min-height: 60px; color: var(--muted); font-size: 13px; }
.arch-connector span { color: var(--mint-dark); font-size: 26px; }
.arch-core { color: #fff; background: var(--ink); box-shadow: 8px 8px 0 var(--mint-soft); }
.arch-core-head { padding: 26px 28px; display: grid; grid-template-columns: 1fr auto; gap: 10px; border-bottom: 1px solid #355060; }
.arch-core-head span { color: var(--mint); font-family: var(--mono); font-size: 12px; }
.arch-core-head strong { grid-row: span 2; font-family: var(--serif); font-size: 34px; }
.arch-core-head small { color: #b2c8d1; font-size: 14px; }
.arch-core-grid { display: grid; grid-template-columns: repeat(5,1fr); }
.arch-core-grid article { padding: 25px 22px; border-right: 1px solid #355060; }
.arch-core-grid article:last-child { border-right: 0; }
.arch-core-grid span { color: var(--mint); font-size: 12px; }
.arch-core-grid h3 { font-family: var(--serif); font-size: 22px; margin: 24px 0 12px; }
.arch-core-grid p { color: #b6c9d2; font-size: 14px; line-height: 1.8; margin: 0; }
.arch-feedback { margin-top: 16px; padding: 16px 22px; display: flex; gap: 14px; align-items: center; color: var(--mint-dark); background: #edf7f2; border-left: 3px solid var(--mint-dark); font-size: 14px; line-height: 1.7; }
.arch-feedback span { font-size: 26px; }
.usecase-id { color: var(--mint-dark); font-size: 12px; }
.technical-details { margin-top: 32px; border: 1px solid var(--rule); background: #fff; }
.technical-details > summary { min-height: 58px; padding: 20px 24px; cursor: pointer; color: var(--ink); font-size: 15px; }
.technical-details > summary:hover { background: var(--mint-soft); }
.technical-body { padding: 0 24px 24px; }
.technical-body h3 { color: var(--ink); font-family: var(--serif); font-size: 23px; margin-top: 32px; }
.technical-body p { color: var(--muted); font-size: 14px; line-height: 1.85; }
.technical-body video { width: min(100%,900px); height: auto; aspect-ratio: 16 / 9; background: var(--ink); }
.evidence-ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.evidence-ledger div { padding: 20px; background: var(--paper); }
.evidence-ledger dt { font-weight: 700; color: var(--ink); font-size: 15px; }
.evidence-ledger dd { margin: 8px 0 0; color: var(--muted); line-height: 1.7; font-size: 14px; }
.research-cycle { margin-top: 44px; }
.research-steps { list-style: none; display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; margin: 0; padding: 0; }
.research-steps li { position: relative; padding: 26px 22px; background: #102b3c; border: 1px solid #466575; }
.research-steps li:not(:last-child)::after { content: "→"; position: absolute; width: 32px; text-align: center; right: -33px; top: 50%; transform: translateY(-50%); color: var(--mint); }
.research-steps span { font-family: var(--mono); font-size: 13px; color: var(--mint); }
.research-steps h3 { font-family: var(--serif); font-size: 24px; margin: 25px 0 12px; }
.research-steps p { color: #b7cdd7; line-height: 1.8; font-size: 14px; margin: 0; }
.asset-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 36px; }
.asset-grid article { padding: 0 20px 0 0; border-right: 1px solid #3c5767; }
.asset-grid article:last-child { border: 0; }
.asset-grid h3 { color: var(--mint); font-family: var(--serif); font-size: 23px; margin: 0 0 12px; }
.asset-grid p { color: #b4cbd5; font-size: 14px; line-height: 1.8; margin: 0; }
.dark-details { border-color: #476473; background: transparent; }
.dark-details > summary { color: #d0e2e8; }
.dark-details > summary:hover { background: #183647; }
.dark-details .technical-body p { color: #b4cbd5; margin-top: 0; }
.contact-section { padding: 96px var(--gutter); position: relative; display: grid; grid-template-columns: .55fr 1.45fr; align-items: center; gap: 60px; background: var(--mint); }
.contact-mark { width: 240px; padding: 26px; border: 1px solid #008675; transform: rotate(-4deg); }
.contact-mark img { width: 100%; height: auto; transform: rotate(4deg); }
.contact-copy .eyebrow { color: #16434b; }
.contact-copy h2 { font-family: var(--serif); font-size: clamp(40px,4.5vw,64px); line-height: 1.2; color: var(--ink); margin: 0; }
.contact-copy > p { color: #123e43; line-height: 1.85; font-size: 17px; }
.contact-actions { display: flex; align-items: center; gap: 24px; margin-top: 30px; }
.contact-copy-button { min-height: 48px; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--ink); padding: 10px 0; font-size: 14px; }
.contact-copy-button:hover { border-bottom-width: 3px; }
.contact-copy .contact-person { margin-top: 26px; font-size: 14px; line-height: 2; }
.copy-status { min-height: 24px; margin-bottom: 0; }
.site-footer { min-height: 110px; padding: 26px var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--rule); }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-family: var(--serif); font-size: 21px; }
.footer-brand img { width: 40px; height: 40px; object-fit: contain; }
.footer-brand small { font-family: var(--mono); font-size: 12px; margin-left: 8px; }
.site-footer p { font-family: var(--serif); font-size: 16px; color: var(--ink); }
.reveal { opacity: 1; }
.reveal.entered { animation: arrive .5s ease-out both; }
@keyframes arrive { from { transform: translateY(12px); } to { transform: translateY(0); } }

.task-selector { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid #456575; }
.task-selector button { min-height: 68px; padding: 18px 24px; display: flex; align-items: center; gap: 16px; border: 0; border-bottom: 3px solid transparent; color: #bbcfd8; background: #0e283a; text-align: left; font-family: var(--serif); font-size: 23px; }
.task-selector button + button { border-left: 1px solid #456575; }
.task-selector button span { color: var(--mint); font-family: var(--mono); font-size: 13px; }
.task-selector button:hover { background: #1e3a4b; }
.task-selector button[aria-selected="true"] { color: #fff; border-bottom-color: var(--mint); background: #14384a; }
.task-intro { padding: 22px 24px 8px; display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.task-intro p { margin: 0; color: #c5d8df; font-size: 15px; line-height: 1.8; }
.task-intro > span { flex-shrink: 0; color: #adc4d1; font-family: var(--mono); font-size: 13px; }
.video-start { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); min-height: 54px; max-width: calc(100% - 32px); padding: 15px 22px; display: inline-flex; align-items: center; gap: 24px; border: 1px solid var(--mint); color: #fff; background: rgba(7,26,44,.94); font-size: 16px; white-space: nowrap; box-shadow: 0 8px 30px #0005; }
.video-start:hover { color: var(--ink); background: var(--mint); }
.video-start span { color: var(--mint); }.video-start:hover span { color: var(--ink); }
.playback-status { margin: 0; padding: 0 20px; color: #c5d8df; font-size: 13px; line-height: 1.8; }
.playback-status:not(:empty) { padding-bottom: 16px; }
.task-checks { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #365362; }
.task-checks > div { padding: 20px 24px; }.task-checks > div + div { border-left: 1px solid #365362; }
.task-checks span { color: var(--mint); font-size: 12px; }
.task-checks p { margin: 8px 0 0; color: #bbd0da; font-size: 14px; line-height: 1.8; }
.table-scroll { overflow-x: auto; }
.configuration-table { border-collapse: collapse; width: 100%; min-width: 510px; color: var(--ink); font-size: 14px; text-align: left; }
.configuration-table th, .configuration-table td { padding: 16px; border-bottom: 1px solid var(--rule); font-weight: 400; }
.configuration-table thead th { background: var(--paper); color: var(--muted); font-size: 13px; }
.configuration-table tbody th { font-weight: 600; }
.needs-grid { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.needs-grid article { min-width: 0; padding: 32px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: #ffffff80; }
.needs-grid h3 { margin: 20px 0 14px; font-family: var(--serif); font-size: 29px; color: var(--ink); }
.needs-grid p { font-size: 16px; line-height: 1.85; color: var(--muted); }
.need-sequence { padding-top: 20px; margin-top: 24px; border-top: 1px solid var(--rule); display: flex; gap: 12px; flex-wrap: wrap; align-items: center; color: var(--mint-dark); font-size: 13px; line-height: 1.8; }
.need-sequence i { font-style: normal; color: #91aba2; }
.value-statement { margin-top: 44px; padding-top: 36px; border-top: 2px solid var(--ink); display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 30px; }
.value-statement > p { margin: 0; color: var(--muted); font-family: var(--serif); font-size: clamp(24px,2.6vw,34px); line-height: 1.6; }
.value-statement strong { color: var(--ink); font-weight: 500; }
.value-statement > div { display: flex; flex-wrap: wrap; gap: 12px; }
.value-statement span { padding: 12px 16px; color: var(--mint-dark); background: var(--mint-soft); font-size: 14px; }
.decision-layer { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 30px; padding: 26px 28px; background: var(--mint-soft); border: 1px solid #91c7b7; }
.decision-layer span { color: var(--mint-dark); font-size: 12px; }.decision-layer h3 { margin: 12px 0 0; font-family: var(--serif); font-size: 26px; color: var(--ink); }
.decision-layer p { margin: 0; color: #31574f; font-size: 15px; line-height: 1.85; }
.deployment-section { background: #edf1e9; }
.deployment-steps { list-style: none; margin: 44px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; }
.deployment-steps > li { position: relative; padding: 24px 20px; border: 1px solid var(--rule); background: #fff; min-width: 0; }
.deployment-steps > li:not(:last-child)::after { content: "→"; position: absolute; top: 44px; right: -25px; width: 24px; text-align: center; color: var(--mint-dark); }
.deployment-step-head span { color: var(--mint-dark); font-family: var(--mono); font-size: 13px; }
.deployment-step-head h3 { margin: 16px 0; color: var(--ink); font-family: var(--serif); font-size: 26px; }
.deployment-steps p { color: var(--muted); font-size: 14px; line-height: 1.85; margin: 0; min-height: 104px; }
.deployment-steps figure { margin: 22px 0 0; }
.deployment-steps img { width: 100%; height: 170px; object-fit: contain; background: #071a2c; }
.deployment-steps figcaption { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--muted); }
.deployment-checks { display: grid; gap: 14px; margin-top: 22px; padding-top: 10px; border-top: 1px solid var(--rule); }
.deployment-checks span { padding: 10px 0; border-bottom: 1px solid var(--rule); color: var(--mint-dark); font-size: 14px; }
.deployment-loop { display: flex; align-items: center; gap: 20px; margin-top: 22px; padding: 20px 24px; border-left: 3px solid var(--mint-dark); background: #e0ebe2; }
.deployment-loop > span { color: var(--mint-dark); font-size: 30px; }.deployment-loop p { margin: 0; font-size: 14px; line-height: 1.85; color: var(--muted); }.deployment-loop strong { color: var(--ink); }
.secondary-player { margin-top: 20px; }.secondary-player .button { margin-top: 16px; }
.secondary-file-link { display: inline-block; padding: 14px; font-size: 14px; color: var(--mint-dark); text-decoration: underline; text-underline-offset: 4px; }
.research-feedback { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 20px; }
.research-feedback p { position: relative; margin: 0; padding: 20px 22px 20px 56px; border-left: 2px solid #4a998f; background: #102b3c; color: #b7cdd7; font-size: 14px; line-height: 1.85; }
.research-feedback span { position: absolute; top: 18px; left: 19px; color: var(--mint); font-size: 24px; }.research-feedback strong { color: #e2f5f1; font-weight: 500; }
.partners-section { background: #fff; }
.partner-grid { margin-top: 44px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.partner-grid article { padding: 34px 30px; min-width: 0; }.partner-grid article:first-child { padding-left: 0; }.partner-grid article:last-child { padding-right: 0; }
.partner-grid article + article { border-left: 1px solid var(--rule); }
.partner-grid article > span { color: var(--mint-dark); font-size: 13px; }.partner-grid h3 { margin: 22px 0 16px; color: var(--ink); font-family: var(--serif); font-size: 28px; }
.partner-grid p { margin: 0; font-size: 15px; line-height: 1.85; color: var(--muted); }
.partner-grid article > div { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--rule); }
.partner-grid strong { color: var(--mint-dark); font-size: 13px; font-weight: 500; }.partner-grid article > div p { margin-top: 8px; font-size: 14px; }
.partner-principle { margin-top: 32px; display: grid; grid-template-columns: auto 1fr; gap: 12px 32px; align-items: center; }
.partner-principle strong { color: var(--ink); font-family: var(--serif); font-size: 26px; font-weight: 500; }
.partner-principle p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }.partner-principle a { grid-column: 2; justify-self: start; padding: 12px 0; border-bottom: 1px solid var(--mint-dark); color: var(--mint-dark); font-size: 14px; }.partner-principle a span { margin-left: 18px; }

@media (max-width: 1050px) {
  .deployment-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }.deployment-steps > li:nth-child(2)::after { display: none; }.deployment-steps p { min-height: 78px; }
  .partner-grid h3 { font-size: 25px; }.partner-grid article { padding: 26px 22px; }
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 40px; padding-top: 135px; }
  .hero-copy { max-width: 740px; }.hero-score { max-width: 740px; width: 100%; }
  .hero-deck { max-width: 720px; }
  .arch-band { grid-template-columns: 1fr; }
  .arch-core-grid { grid-template-columns: repeat(3,1fr); }.arch-core-grid article { border-bottom: 1px solid #355060; }
  .arch-core-head { grid-template-columns: 1fr; }.arch-core-head strong { grid-row: auto; }
  .player-footer { flex-wrap: wrap; }
  .research-steps { gap: 24px; }.research-steps li { padding: 22px 16px; }.research-steps li:not(:last-child)::after { width: 24px; right: -25px; }
  .research-steps h3 { font-size: 21px; }
  .contact-mark { width: 180px; }.contact-section { gap: 40px; }
}
@media (max-width: 760px) {

  .task-selector button { min-height: 62px; padding: 16px 14px; gap: 12px; font-size: 20px; }.task-selector button span { font-size: 12px; }
  .task-intro { padding: 18px 14px 6px; gap: 14px; align-items: flex-start; }.task-intro p { font-size: 14px; }.task-intro > span { font-size: 12px; padding-top: 3px; }
  .task-checks { grid-template-columns: 1fr; }.task-checks > div { padding: 16px 14px; }.task-checks > div + div { border-left: 0; border-top: 1px solid #365362; }
  .video-start { min-height: 48px; padding: 12px 16px; gap: 16px; font-size: 14px; }.playback-status { padding-inline: 14px; }
  .needs-grid { grid-template-columns: 1fr; margin-top: 30px; }.needs-grid article { padding: 26px 22px; }.needs-grid h3 { font-size: 25px; }.needs-grid p { font-size: 15px; }.need-sequence { gap: 8px; font-size: 12px; }
  .value-statement { grid-template-columns: 1fr; gap: 20px; margin-top: 30px; padding-top: 26px; }.value-statement > p { font-size: 25px; }.value-statement span { font-size: 13px; padding: 10px 12px; }
  .decision-layer { grid-template-columns: 1fr; padding: 22px 20px; gap: 16px; }.decision-layer h3 { font-size: 24px; }.decision-layer p { font-size: 14px; }
  .deployment-steps { grid-template-columns: 1fr; margin-top: 30px; gap: 24px; }.deployment-steps > li { padding: 24px; }.deployment-step-head { display: flex; align-items: center; gap: 18px; }.deployment-step-head h3 { margin: 0; font-size: 25px; }.deployment-steps p { min-height: 0; margin-top: 16px; }
  .deployment-steps > li:not(:last-child)::after { content: "↓"; display: block; top: auto; bottom: -25px; right: calc(50% - 12px); height: 24px; }.deployment-steps img { height: 210px; }.deployment-checks { gap: 0; margin-top: 18px; }
  .deployment-loop { padding: 18px; gap: 14px; }.deployment-loop p { font-size: 13px; }
  .evidence-ledger { grid-template-columns: 1fr; }
  .research-feedback { grid-template-columns: 1fr; gap: 12px; }.research-feedback p { padding: 18px 18px 18px 50px; }.research-feedback span { left: 15px; }
  .partner-grid { grid-template-columns: 1fr; margin-top: 30px; }.partner-grid article, .partner-grid article:first-child, .partner-grid article:last-child { padding: 28px 0; }.partner-grid article + article { border-left: 0; border-top: 1px solid var(--rule); }.partner-grid h3 { font-size: 26px; margin-top: 16px; }.partner-grid article > div { margin-top: 20px; padding-top: 16px; }
  .partner-principle { grid-template-columns: 1fr; gap: 16px; }.partner-principle strong { font-size: 25px; }.partner-principle a { grid-column: 1; }

  :root { --gutter: 18px; }
  .site-header { height: 68px; padding-inline: max(18px,env(safe-area-inset-left)); }
  .brand-mark { width: 36px; height: 36px; }.brand-name small { display: none; }
  .site-nav { flex-wrap: wrap; gap: 8px 16px; font-size: 13px; }
  .site-header:not(.nav-enhanced) { position: static; height: auto; padding-block: 12px; flex-wrap: wrap; gap: 8px; }
  .nav-enhanced .menu-button { display: block; z-index: 2; flex-shrink: 0; }
  .nav-enhanced .site-nav { position: fixed; inset: 68px 0 0; padding: 30px max(24px,env(safe-area-inset-left)); display: flex; flex-direction: column; flex-wrap: nowrap; align-items: stretch; justify-content: flex-start; gap: 10px; color: #fff; background: var(--ink); overflow-y: auto; overscroll-behavior: contain; visibility: hidden; }
  .nav-enhanced .site-nav.open { visibility: visible; }
  .nav-enhanced .site-nav a { font-size: 24px; padding: 16px; border-bottom: 1px solid #466373; }
  .nav-enhanced .site-nav .nav-cta { font-size: 17px; margin-top: 16px; text-align: center; }
  .site-header.menu-active { color: #fff; background: var(--ink); }
  .site-header.menu-active .brand-mark-dark { opacity: 1; }.site-header.menu-active .brand-mark-light { opacity: 0; }
  .hero { padding: 112px var(--gutter) 60px; gap: 32px; }
  .hero h1 { font-size: clamp(40px,12vw,56px); }.hero-deck { font-size: 17px; margin-top: 22px; }
  .hero-actions { margin-top: 24px; gap: 10px; }.hero-actions .button { padding: 12px 15px; font-size: 13px; }
  .hero-foot { display: none; }.hero-score { padding: 12px; }.score-topline { font-size: 11px; }.motion-toggle { font-size: 11px; }
  .score-tag { display: none; }.score-input strong, .score-output strong { font-size: 13px; }
  .score-rail { height: 55px; }.score-paths article { padding: 12px 5px; margin: 0 3px; }
  .score-paths h2 { font-size: 12px; }.score-paths span { font-size: 10px; }.score-paths p { display: none; }
  .score-note { font-size: 11px; }
  .section { padding: 72px var(--gutter) 64px; }.section-meta { margin-bottom: 26px; }
  .section-heading h2 { font-size: clamp(30px,8.7vw,38px); }.section-heading > p:last-child { margin-top: 20px; font-size: 16px; line-height: 1.8; }
  .eyebrow { font-size: 12px; }.phrase { white-space: nowrap; }
  .demo-shell { margin-top: 26px; }.player-toolbar { padding: 14px 12px; flex-direction: column; align-items: stretch; gap: 12px; }
  .segmented { display: flex; flex-wrap: nowrap; }.segmented button { flex: 1; padding: 10px 7px; font-size: 12px; }
  .player-toolbar .segmented { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); }.player-toolbar .segmented button { padding-inline: 3px; font-size: 11px; white-space: nowrap; }
  .demo-shell[data-view]:not([data-view="all"]) video { aspect-ratio: 640 / 1080; max-height: 72svh; }
  .player-footer { padding: 16px 12px; gap: 12px; }.player-actions { width: 100%; justify-content: space-between; }
  .player-footer p { font-size: 13px; }.comparison-facts { grid-template-columns: 1fr; }
  .comparison-facts article, .comparison-facts article + article { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--rule); }
  .comparison-facts h3 { font-size: 22px; margin: 8px 0; }
  .section-note { font-size: 13px; }
  .architecture { margin-top: 30px; }.arch-band { padding: 18px; gap: 14px; }.arch-items { grid-template-columns: 1fr 1fr; gap: 8px; }.arch-items b { font-size: 13px; padding: 10px 0; border-left: 0; border-top: 1px solid var(--rule); text-align: left; }
  .arch-core-head { padding: 24px 20px; }.arch-core-head strong { font-size: 29px; }.arch-core-head small { line-height: 1.8; }
  .arch-core-grid { grid-template-columns: 1fr; }.arch-core-grid article { padding: 22px 20px; border-right: 0; }.arch-core-grid h3 { margin: 12px 0 10px; }
  .arch-connector { font-size: 12px; gap: 8px; }.arch-feedback { font-size: 13px; padding: 16px; }
  .technical-details > summary { padding: 20px 16px; }.technical-body { padding: 0 16px 20px; }.technical-body p { overflow-wrap: anywhere; }
  .research-steps { grid-template-columns: 1fr; gap: 24px; }.research-steps li { padding: 22px; }.research-steps h3 { margin: 12px 0; font-size: 24px; }
  .research-steps li:not(:last-child)::after { content: "↓"; top: auto; bottom: -25px; right: calc(50% - 12px); transform: none; height: 24px; }
  .asset-grid { grid-template-columns: 1fr 1fr; gap: 24px 18px; }.asset-grid article:nth-child(2n) { border-right: 0; }
  .contact-section { padding: 68px var(--gutter) 54px; grid-template-columns: 1fr; gap: 36px; }.contact-mark { width: 130px; padding: 16px; }
  .contact-copy h2 { font-size: 40px; }.contact-copy > p { font-size: 16px; }.contact-actions { flex-wrap: wrap; gap: 18px; }
  .site-footer { flex-wrap: wrap; padding-block: 26px; gap: 16px; }.site-footer p { margin: 0; }.site-footer > span { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .signal-pulses { display: none !important; }
}