:root {
  --porcelain: #fafaf7;
  --ink: #19212d;
  --deep: #31445f;
  --deep-panel: #3b506f;
  --cobalt: #245bdb;
  --cobalt-hover: #1749bd;
  --graphite: #48515f;
  --fog: #f0f2f5;
  --line: #d9dde4;
  --verified: #0f8a6b;
  --white: #ffffff;
  --shell: 1180px;
  --header-height: 78px;
  color-scheme: light;
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body { margin: 0; overflow-x: hidden; background: var(--porcelain); color: var(--ink); font-size: 16px; line-height: 1.6; }
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; }
.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; transform: translateY(-150%); background: var(--white); color: var(--ink); border: 2px solid var(--cobalt); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(250, 250, 247, .94); border-bottom: 1px solid transparent; backdrop-filter: blur(12px); transition: border-color 180ms ease; }
.site-header.is-scrolled { border-color: var(--line); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 16px; font-weight: 700; letter-spacing: .04em; }
.brand img { flex: 0 0 auto; }
.site-nav { display: flex; align-items: center; gap: 27px; color: var(--graphite); font-size: 14px; }
.site-nav a { position: relative; min-height: 44px; display: inline-flex; align-items: center; }
.site-nav a:not(.nav-contact)::after { content: ""; position: absolute; right: 0; bottom: 5px; left: 0; height: 1px; transform: scaleX(0); transform-origin: right; background: var(--cobalt); transition: transform 180ms ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-contact { min-width: 92px; justify-content: center; padding-inline: 16px; background: var(--ink); color: var(--white); transition: background-color 180ms ease; }
.nav-contact:hover { background: var(--deep); }
.menu-button { display: none; width: 48px; height: 44px; align-items: center; justify-content: center; gap: 8px; padding: 0; background: transparent; border: 0; cursor: pointer; }
.menu-button-label { font-size: 13px; }
.menu-icon { width: 18px; display: grid; gap: 5px; }
.menu-icon i { width: 18px; height: 1px; display: block; background: currentColor; transition: transform 180ms ease; }

.hero { min-height: 640px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 58px; align-items: center; padding-block: 86px 78px; }
.eyebrow, .section-index, .proof-caption, .product-number, .case-card > span, .panel-caption span:last-child { font-family: "IBM Plex Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace; font-size: 12px; font-weight: 500; letter-spacing: .09em; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: var(--graphite); font-size: 13px; }
.eyebrow::before { content: ""; width: 24px; height: 2px; flex: 0 0 auto; background: var(--cobalt); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { max-width: 720px; margin: 0; font-size: clamp(52px, 6vw, 84px); line-height: 1.04; letter-spacing: -.06em; font-weight: 700; }
.hero-copy { max-width: 650px; margin: 28px 0 34px; color: var(--graphite); font-size: 18px; line-height: 1.8; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 21px; border: 1px solid var(--ink); font-size: 14px; font-weight: 600; cursor: pointer; transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary, .button-blue { background: var(--cobalt); border-color: var(--cobalt); color: var(--white); }
.button-primary:hover, .button-blue:hover { background: var(--cobalt-hover); border-color: var(--cobalt-hover); }
.button-secondary { background: transparent; }
.button-secondary:hover { background: var(--ink); color: var(--white); }
.proof-panel { position: relative; min-height: 410px; padding: 36px; overflow: hidden; background: var(--deep); color: var(--white); }
.proof-panel::before { content: ""; position: absolute; inset: 0; opacity: .9; background-image: linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px); background-size: 34px 34px; }
.proof-caption { position: relative; margin: 0 0 64px; color: #d0d7e3; font-size: 12px; }
.proof-chain { position: relative; display: grid; gap: 43px; margin: 0; padding: 0; list-style: none; }
.proof-chain::before { content: ""; position: absolute; top: 17px; bottom: 17px; left: 10px; width: 1px; background: #6a7b94; }
.proof-chain li { position: relative; display: grid; grid-template-columns: 20px 1fr auto; gap: 16px; align-items: center; }
.proof-chain i { width: 20px; height: 20px; z-index: 1; border: 5px solid var(--deep); outline: 1px solid #98a7bc; border-radius: 50%; background: #98a7bc; }
.proof-chain li:nth-child(3) i { outline-color: #7ea2f6; background: var(--cobalt); }
.proof-chain li:last-child i { outline-color: #66cbb1; background: var(--verified); }
.proof-chain strong { font-size: 15px; font-weight: 600; }
.proof-chain span { color: #c7d0dc; font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 12px; }

.business-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.business-strip-grid { display: grid; grid-template-columns: .72fr repeat(3, 1fr); }
.business-strip-grid > div { min-height: 124px; padding: 26px 24px; border-right: 1px solid var(--line); }
.business-strip-grid > div:last-child { border-right: 0; }
.strip-label span { color: var(--graphite); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 13px; letter-spacing: .09em; }
.business-strip strong { display: block; margin-bottom: 6px; font-size: 18px; font-weight: 600; }
.business-strip p { margin: 0; color: var(--graphite); font-size: 14px; line-height: 1.7; }

.section { padding-block: 112px; }
.section-head { display: grid; grid-template-columns: 1fr 1.35fr; gap: 42px; margin-bottom: 56px; }
.section-index { color: var(--graphite); font-size: 13px; }
h2 { margin: 8px 0 0; font-size: clamp(40px, 4.6vw, 58px); line-height: 1.12; letter-spacing: -.045em; font-weight: 650; }
.section-head > p, .about-grid > p { align-self: end; max-width: 620px; margin: 0; color: var(--graphite); font-size: 17px; line-height: 1.85; }
.product-list { border-top: 1px solid var(--ink); }
.product-row { min-height: 132px; display: grid; grid-template-columns: 56px .8fr 1.45fr 26px; gap: 24px; align-items: center; border-bottom: 1px solid var(--line); transition: background-color 180ms ease; }
.product-row:hover { background: rgba(36, 91, 219, .045); }
.product-number { color: var(--graphite); font-size: 13px; }
.product-row h3 { margin: 0; font-size: 21px; font-weight: 650; }
.product-row p { margin: 0; color: var(--graphite); font-size: 15px; line-height: 1.75; }
.product-arrow { color: var(--ink); font-size: 24px; transition: transform 180ms ease; }
.product-row:hover .product-arrow { transform: translate(2px, -2px); }

.acquisition-section { background: var(--deep); color: var(--white); }
.two-column { display: grid; grid-template-columns: .78fr 1.22fr; gap: 64px; align-items: center; }
.section-index-light { color: #d7dde6; }
.acquisition-section h2 { color: var(--white); }
.light-copy { margin: 24px 0 30px; color: #d0d7e3; font-size: 16px; line-height: 1.8; }
.feature-line { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0 0 28px; padding: 0; border-top: 1px solid #60738f; border-bottom: 1px solid #60738f; list-style: none; }
.feature-line li { padding: 17px 8px; border-right: 1px solid #60738f; color: #eef1f6; font-size: 14px; }
.feature-line li:last-child { border-right: 0; }
.lead-dashboard { padding: 18px; background: var(--deep-panel); border: 1px solid #60738f; }
.dashboard-head { display: flex; align-items: center; justify-content: space-between; padding: 4px 4px 16px; border-bottom: 1px solid #60738f; }
.dashboard-head strong { font-size: 14px; font-weight: 600; }
.dashboard-head span { color: #c9d2df; font-size: 12px; }
.dashboard-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 14px 0; background: #667995; }
.dashboard-stats div { padding: 15px; background: var(--deep-panel); }
.dashboard-stats dt { color: #c9d2df; font-size: 11px; }
.dashboard-stats dd { margin: 6px 0 0; font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 23px; font-weight: 500; }
.lead-row { min-height: 66px; display: grid; grid-template-columns: 76px 1fr 58px; gap: 12px; align-items: center; padding: 12px 4px; border-top: 1px solid #60738f; }
.lead-row > span { width: fit-content; padding: 4px 7px; background: rgba(255, 255, 255, .09); color: #f2f4f7; font-size: 11px; }
.lead-row strong { display: block; margin-bottom: 3px; font-size: 13px; font-weight: 600; }
.lead-row small { color: #c9d2df; font-size: 11px; }
.lead-row em { color: #86d6c0; font-size: 11px; font-style: normal; text-align: right; }
.demo-label { margin: 14px 4px 0; color: #c9d2df; font-size: 11px; }

.quant-section, .about-section { background: var(--fog); }
.quant-scope { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 24px; padding: 18px 22px; background: var(--ink); color: var(--white); }
.quant-scope span { color: #c9d0da; font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 12px; letter-spacing: .09em; }
.quant-scope strong { font-size: 20px; font-weight: 650; }
.quant-showcase { display: grid; gap: 18px; }
.quant-shot { min-width: 0; margin: 0; overflow: hidden; background: var(--white); border: 1px solid #cfd5de; }
.quant-shot figcaption { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 15px 20px; border-bottom: 1px solid var(--line); }
.quant-shot figcaption span { color: var(--graphite); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 11px; letter-spacing: .08em; }
.quant-shot figcaption h3 { margin: 0; color: var(--ink); font-size: 24px; font-weight: 650; letter-spacing: -.025em; }
.quant-shot a { display: block; overflow: hidden; background: #eef1f5; cursor: zoom-in; }
.quant-shot img { width: 100%; height: auto; display: block; transition: transform 240ms ease; }
.quant-shot a:hover img { transform: scale(1.006); }
.quant-bridge { height: 32px; display: grid; place-items: center; color: var(--ink); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 24px; line-height: 1; }
.legal-note { margin: 18px 0 24px; color: var(--graphite); font-size: 13px; line-height: 1.75; }

.case-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.case-card { position: relative; grid-column: span 2; min-height: 304px; padding: 30px 30px 32px; background: rgba(255, 255, 255, .28); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background-color 180ms ease; }
.case-card:hover { background: var(--white); }
.case-card.case-wide { grid-column: span 3; }
.case-card > span { display: inline-flex; align-items: center; gap: 9px; color: var(--graphite); font-size: 14px; }
.case-card > span::before { content: ""; width: 16px; height: 2px; background: var(--cobalt); }
.case-card h3 { margin: 38px 0 20px; font-size: 23px; font-weight: 650; letter-spacing: -.02em; }
.case-card .case-metric { display: grid; gap: 5px; margin: 0; padding-top: 16px; border-top: 1px solid var(--line); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; }
.case-metric small { color: var(--graphite); font-family: inherit; font-size: 13px; }
.case-metric strong { color: var(--ink); font-size: clamp(21px, 2vw, 25px); font-weight: 600; letter-spacing: -.035em; line-height: 1.35; }
.case-card > p:last-child { max-width: 34em; margin: 17px 0 0; color: var(--graphite); font-size: 14px; line-height: 1.8; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-grid > p { font-size: 18px; line-height: 1.9; }
.delivery-chain { display: grid; grid-template-columns: repeat(4, 1fr); margin: 68px 0 0; padding: 0; border-top: 2px solid var(--cobalt); list-style: none; }
.delivery-chain li { position: relative; padding: 28px 18px 0 0; }
.delivery-chain li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; background: var(--cobalt); border-radius: 50%; }
.delivery-chain li:last-child::before { background: var(--verified); }
.delivery-chain span { color: var(--graphite); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 12px; }
.delivery-chain strong { display: block; margin-top: 6px; font-size: 15px; font-weight: 600; }

.site-footer { padding: 72px 0 28px; background: var(--deep); color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr 1.25fr; gap: 48px; }
.brand-light { color: var(--white); }
.footer-brand p { margin: 15px 0 0; color: #cbd3df; font-size: 13px; line-height: 1.8; }
.site-footer h2 { margin: 0 0 20px; color: #cbd3df; font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: 12px; font-weight: 500; letter-spacing: .09em; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin-bottom: 11px; color: #f2f4f7; font-size: 13px; line-height: 1.7; }
.site-footer a { transition: color 180ms ease; }
.site-footer a:hover { color: var(--white); }
.site-footer address { color: #f2f4f7; font-size: 13px; font-style: normal; line-height: 1.8; }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; margin-top: 56px; padding-top: 22px; border-top: 1px solid #5b6b82; color: #c4cedb; font-size: 12px; }
.filing-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }

:focus-visible { outline: 3px solid rgba(36, 91, 219, .42); outline-offset: 4px; }
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 520ms ease, transform 520ms cubic-bezier(.16, 1, .3, 1); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  :root { --header-height: 70px; }
  .shell { width: min(100% - 40px, 760px); }
  .menu-button { display: inline-flex; }
  .site-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 14px 20px 22px; background: var(--porcelain); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: grid; }
  .site-nav a { min-height: 52px; padding-inline: max(20px, calc((100% - 720px) / 2)); border-bottom: 1px solid var(--line); }
  .site-nav .nav-contact { min-height: 50px; margin-top: 14px; border-bottom: 0; }
  .menu-button[aria-expanded="true"] .menu-icon i:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-icon i:last-child { transform: translateY(-3px) rotate(-45deg); }
  .hero, .two-column, .about-grid { grid-template-columns: 1fr; }
  .hero { padding-block: 64px 72px; }
  .proof-panel { min-height: 380px; }
  .business-strip-grid { grid-template-columns: 1fr 1fr; }
  .business-strip-grid > div:nth-child(2) { border-right: 0; }
  .business-strip-grid > div { border-bottom: 1px solid var(--line); }
  .section { padding-block: 84px; }
  .section-head { grid-template-columns: 1fr; }
  .section-head > p { align-self: start; }
  .product-row { grid-template-columns: 42px 1fr 26px; padding-block: 22px; }
  .product-row p { grid-column: 2 / 4; }
  .quant-showcase { gap: 16px; }
  .case-card { grid-column: span 3; }
  .case-card:last-child { grid-column: span 6; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 32px, 500px); }
  .brand span { font-size: 15px; }
  h1 { font-size: clamp(42px, 12.5vw, 58px); letter-spacing: -.055em; }
  h2 { font-size: 38px; }
  .hero { gap: 48px; padding-block: 52px 60px; }
  .hero-copy { font-size: 16px; }
  .actions { display: grid; }
  .button { width: 100%; }
  .proof-panel { min-height: 360px; padding: 28px 24px; }
  .business-strip-grid { grid-template-columns: 1fr; }
  .business-strip-grid > div { min-height: 104px; border-right: 0; }
  .section { padding-block: 70px; }
  .section-head { margin-bottom: 42px; }
  .product-row { grid-template-columns: 36px 1fr 22px; gap: 14px; }
  .product-row h3 { font-size: 18px; }
  .feature-line { grid-template-columns: 1fr; }
  .feature-line li { border-right: 0; border-bottom: 1px solid #60738f; }
  .feature-line li:last-child { border-bottom: 0; }
  .dashboard-head { align-items: flex-start; gap: 10px; }
  .dashboard-stats { grid-template-columns: 1fr 1fr 1fr; }
  .dashboard-stats div { padding: 12px 8px; }
  .lead-row { grid-template-columns: 68px 1fr; }
  .lead-row em { grid-column: 2; text-align: left; }
  .quant-scope { align-items: flex-start; flex-direction: column; gap: 5px; padding: 16px 18px; }
  .quant-shot figcaption { min-height: 64px; padding: 13px 15px; }
  .quant-shot figcaption span { font-size: 9px; }
  .quant-shot figcaption h3 { font-size: 20px; }
  .case-card, .case-card.case-wide, .case-card:last-child { grid-column: span 6; }
  .case-card { min-height: 0; padding: 26px 24px 28px; }
  .case-card h3 { margin-top: 30px; }
  .delivery-chain { grid-template-columns: 1fr 1fr; gap: 30px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .filing-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .site-header, .actions, .menu-button { display: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .section { break-inside: avoid; }
}