/* Shared public-site chrome. The tool surfaces keep their own engineering UI inside. */
:root {
  --chrome-navy: #082438;
  --chrome-blue: #1f5c87;
  --chrome-mist: #edf3f7;
  --chrome-paper: #fbfcfd;
  --chrome-line: #d3dfe7;
  --chrome-ink-muted: #597184;
  --chrome-signal: #91b86c;
}

body { background: var(--chrome-paper); color: var(--chrome-navy); }
.site-header { position: sticky; z-index: 40; top: 0; border-bottom: 1px solid rgba(8, 36, 56, .12); background: rgba(251, 252, 253, .95); box-shadow: 0 4px 18px rgba(16, 47, 68, .05); backdrop-filter: blur(14px); }
nav.site-nav { display: grid; grid-template-columns: minmax(185px, 1fr) auto minmax(185px, 1fr); align-items: center; width: min(100%, 1512px); min-height: 72px; margin: 0 auto; padding: 0 38px; border: 0; background: transparent; box-shadow: none; }
nav.site-nav .site-brand { display: inline-flex; align-items: center; gap: 10px; justify-self: start; padding: 0; border: 0; border-radius: 0; color: var(--chrome-navy); font-size: 15px; font-weight: 700; letter-spacing: .01em; text-decoration: none; }
nav.site-nav .site-brand::before { display: none; }
nav.site-nav .site-brand b { color: var(--chrome-blue); font-weight: 800; }
.brand-mark { display: inline-grid; width: 27px; height: 27px; place-items: center; border: 1px solid #7c9caf; border-radius: 50%; background: linear-gradient(145deg, #edf6fb, #b4c9d8); box-shadow: 0 1px 2px rgba(9, 38, 57, .18) inset; color: var(--chrome-navy); font: 800 9px/1 Arial, sans-serif; }
nav.site-nav .nav-cluster { display: flex; align-items: stretch; gap: 28px; justify-self: center; min-height: 72px; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
nav.site-nav .nav-cluster a { display: inline-flex; align-items: center; min-height: 72px; padding: 0; border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent; color: #466071; font-size: 13px; font-weight: 700; text-decoration: none; }
nav.site-nav .nav-cluster a:hover { border-bottom-color: #91b86c; background: transparent; color: var(--chrome-navy); }
nav.site-nav .nav-cluster a.active { border-bottom-color: var(--chrome-blue); background: transparent; color: var(--chrome-navy); }
.site-nav-utility { justify-self: end; }
nav.site-nav .service-status, nav.site-nav .page-context { display: inline-flex; align-items: center; justify-self: end; padding: 0; color: #607b8c; font: 700 10px/1.2 Consolas, "Microsoft YaHei", monospace; letter-spacing: .06em; white-space: nowrap; }
nav.site-nav .service-status::before { width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--chrome-signal); box-shadow: 0 0 0 3px rgba(145, 184, 108, .14); content: ""; }
.site-main { width: min(100%, 1512px); max-width: none; min-height: 55vh; margin: 0 auto; padding: 0 38px 88px; }

.site-footer { border-top: 1px solid rgba(218, 229, 237, .18); background: var(--chrome-navy); color: #d3e1e9; }
.site-footer-grid { display: grid; grid-template-columns: minmax(240px, 1.55fr) repeat(3, minmax(150px, .75fr)); gap: 48px; width: min(100%, 1512px); margin: 0 auto; padding: 62px 38px 54px; }
.site-footer h2 { margin: 0 0 17px; color: #e8f0f4; font-size: 13px; font-weight: 700; }
.site-footer a { display: block; width: fit-content; margin-top: 11px; color: #a9bfcc; font-size: 13px; line-height: 1.45; text-decoration: none; }
.site-footer a:hover { color: #d9edc9; text-decoration: none; }
.site-footer-brand { max-width: 330px; }
.site-footer-wordmark { display: inline-flex !important; align-items: center; gap: 9px; margin: 0 !important; color: #f3f7f9 !important; font-size: 16px !important; font-weight: 800; }
.site-footer-wordmark span { display: inline-grid; width: 25px; height: 25px; place-items: center; border: 1px solid #7393a8; border-radius: 50%; color: #d9edc9; font: 800 9px/1 Arial, sans-serif; }
.site-footer-brand > p, .site-footer section > p { margin: 17px 0 0; color: #8fa8b7; font-size: 12px; line-height: 1.7; }
.site-footer .footer-inline-link { margin-top: 20px; color: #d9edc9; font-weight: 700; }
.footer-inline-link b { margin-left: 6px; font-size: 15px; }
.footer-status { display: flex; align-items: center; gap: 8px; color: #d9edc9 !important; font-weight: 700; }
.footer-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--chrome-signal); box-shadow: 0 0 0 3px rgba(145, 184, 108, .12); }
.site-footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: min(100%, 1512px); margin: 0 auto; padding: 16px 38px; border-top: 1px solid rgba(218, 229, 237, .15); color: #7d98a9; font: 700 10px/1.4 Consolas, "Microsoft YaHei", monospace; letter-spacing: .05em; }

/* Overview: visual product narrative, with actual tool entry points as the primary calls to action. */
.landing-overview { width: 100vw; margin: 0 0 -88px calc(50% - 50vw); }
.landing-hero { position: relative; isolation: isolate; min-height: min(720px, calc(100vh - 72px)); overflow: hidden; background: #071d2e; }
.landing-hero::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(3, 15, 27, .93) 0%, rgba(4, 19, 31, .72) 34%, rgba(4, 19, 31, .08) 72%); content: ""; }
.landing-hero > img { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.landing-hero-copy { width: min(640px, calc(100% - 76px)); padding: clamp(120px, 16vh, 182px) 0 90px; margin-left: max(38px, calc((100vw - 1512px) / 2 + 38px)); }
.landing-hero .eyebrow { margin-bottom: 18px; color: #badb9d; }
.landing-hero h1 { max-width: none; color: #f5f8f9; font-size: clamp(46px, 5.85vw, 92px); line-height: .98; }
.landing-hero-copy > p:not(.eyebrow) { max-width: 570px; margin: 27px 0 0; color: #d3e1e9; font-size: 17px; line-height: 1.75; }
.landing-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.landing-action { display: inline-flex; align-items: center; min-height: 46px; border: 1px solid rgba(236, 246, 251, .68); padding: 0 18px; color: #fff; font-size: 13px; font-weight: 800; text-decoration: none; }
.landing-action:hover { border-color: #c7e3af; background: #c7e3af; color: #0b2940; text-decoration: none; }
.landing-action.primary { border-color: #9ec57b; background: #9ec57b; color: #082438; }
.landing-action.primary:hover { background: #c7e3af; }
.landing-hero-meta { position: absolute; right: max(38px, calc((100vw - 1512px) / 2 + 38px)); bottom: 30px; display: grid; justify-items: end; gap: 8px; color: #d3e1e9; }
.landing-hero-meta span { color: #badb9d; font: 700 10px/1 Consolas, "Microsoft YaHei", monospace; letter-spacing: .09em; }
.landing-hero-meta b { font: 700 11px/1 Consolas, "Microsoft YaHei", monospace; letter-spacing: .08em; }
.landing-statement { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .78fr); gap: 56px 80px; width: min(100%, 1512px); margin: 0 auto; padding: 128px 38px 116px; }
.landing-statement h2, .landing-feature h2, .landing-platform h2 { margin: 0; color: var(--chrome-navy); font-size: clamp(36px, 4.6vw, 66px); line-height: 1.05; }
.landing-statement > p { max-width: 500px; align-self: end; margin: 0; color: var(--chrome-ink-muted); font-size: 16px; line-height: 1.8; }
.landing-statement dl { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--chrome-line); }
.landing-statement dl div { padding: 23px 18px 0 0; border-right: 1px solid var(--chrome-line); }
.landing-statement dl div + div { padding-left: 22px; }
.landing-statement dl div:last-child { border-right: 0; }
.landing-statement dt { color: var(--chrome-ink-muted); font-size: 12px; }
.landing-statement dd { margin: 8px 0 0; color: var(--chrome-navy); font-size: 42px; font-weight: 800; }
.landing-feature { display: grid; grid-template-columns: minmax(280px, .74fr) minmax(0, 1.26fr); align-items: stretch; background: var(--chrome-mist); }
.landing-feature-copy { align-self: center; max-width: 520px; padding: clamp(58px, 8vw, 130px) clamp(38px, 7.2vw, 130px); }
.landing-feature .eyebrow { color: var(--chrome-blue); }
.landing-feature-copy > p:not(.eyebrow) { margin: 25px 0 0; color: var(--chrome-ink-muted); font-size: 15px; line-height: 1.85; }
.text-link { display: inline-flex; gap: 10px; margin-top: 28px; color: var(--chrome-blue); font-size: 13px; font-weight: 800; text-decoration: none; }
.text-link:hover { color: var(--chrome-navy); text-decoration: none; }
.text-link b { font-size: 16px; }
.landing-feature figure { min-height: 520px; margin: 0; background: #d2e0e9; }
.landing-feature figure img { display: block; width: 100%; height: calc(100% - 47px); min-height: 473px; object-fit: cover; }
.landing-feature figcaption { min-height: 47px; padding: 14px 20px; background: #102c42; color: #d2e1ea; font-size: 11px; line-height: 1.5; }
.landing-feature-reverse { grid-template-columns: minmax(0, 1.26fr) minmax(280px, .74fr); background: var(--chrome-paper); }
.landing-feature-reverse .landing-feature-copy { justify-self: center; }
.landing-feature .landing-cad-visual { background: #17212b; }
.landing-feature .landing-cad-visual img { object-fit: cover; object-position: center; image-rendering: auto; }
.landing-platform { width: min(100%, 1512px); margin: 0 auto; padding: 116px 38px 128px; }
.landing-platform > header { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.landing-platform > header .eyebrow { margin-bottom: 13px; color: var(--chrome-blue); }
.landing-platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--chrome-line); border-bottom: 1px solid var(--chrome-line); }
.landing-platform-grid a { display: flex; min-height: 265px; flex-direction: column; padding: 26px 28px; border-right: 1px solid var(--chrome-line); color: var(--chrome-navy); text-decoration: none; }
.landing-platform-grid a:last-child { border-right: 0; }
.landing-platform-grid a:hover { background: #e6f0e1; text-decoration: none; }
.landing-platform-grid span { color: var(--chrome-blue); font: 800 11px/1 Consolas, "Microsoft YaHei", monospace; }
.landing-platform-grid h3 { margin: 54px 0 0; color: var(--chrome-navy); font-size: 26px; }
.landing-platform-grid p { max-width: 290px; margin: 15px 0 0; color: var(--chrome-ink-muted); font-size: 13px; line-height: 1.7; }
.landing-platform-grid b { display: flex; justify-content: space-between; align-items: center; margin-top: auto; color: var(--chrome-blue); font-size: 12px; }
.landing-platform-grid i { font-style: normal; font-size: 18px; }
.landing-endcap { display: flex; min-height: 370px; flex-direction: column; align-items: center; justify-content: center; padding: 70px 24px; background: #102c42; text-align: center; }
.landing-endcap .eyebrow { color: #badb9d; }
.landing-endcap h2 { margin: 4px 0 0; color: #f3f8fa; font-size: clamp(34px, 4.5vw, 64px); line-height: 1.05; }
.landing-endcap .landing-action { margin-top: 32px; }
.landing-endcap .landing-action.light { border-color: #c7e3af; color: #dff0ce; }

@media (max-width: 900px) {
  nav.site-nav { grid-template-columns: 1fr auto; min-height: 62px; padding: 0 22px; }
  nav.site-nav .nav-cluster { grid-column: 1 / -1; grid-row: 2; justify-self: stretch; min-height: 42px; gap: 20px; overflow-x: auto; }
  nav.site-nav .nav-cluster a { min-height: 42px; font-size: 12px; white-space: nowrap; }
  .site-main { padding: 0 22px 64px; }
  .landing-overview { margin: 0 -22px -64px; }
  .landing-hero { min-height: 630px; }
  .landing-hero-copy { margin-left: 30px; }
  .landing-hero-meta { right: 30px; }
  .landing-statement { gap: 34px; padding: 82px 30px; }
  .landing-feature { grid-template-columns: 1fr; }
  .landing-feature-copy { max-width: 680px; padding: 70px 30px; }
  .landing-feature-reverse figure { grid-row: 2; }
  .landing-feature figure { min-height: 420px; }
  .landing-feature figure img { min-height: 373px; }
  .landing-platform { padding: 82px 30px; }
  .site-footer-grid { grid-template-columns: minmax(220px, 1.35fr) repeat(2, minmax(160px, 1fr)); padding: 50px 30px 42px; }
  .site-footer-grid > section:last-child { grid-column: 1 / -1; max-width: 440px; }
  .site-footer-bottom { padding: 16px 30px; }
}

@media (max-width: 620px) {
  nav.site-nav { padding: 0 16px; }
  nav.site-nav .page-context { display: none; }
  .site-main { padding: 0 16px 48px; }
  .landing-overview { margin: 0 -16px -48px; }
  .landing-hero { min-height: 590px; }
  .landing-hero::after { background: linear-gradient(90deg, rgba(3, 15, 27, .91), rgba(4, 19, 31, .48)); }
  .landing-hero-copy { width: calc(100% - 44px); padding: 108px 0 84px; margin-left: 22px; }
  .landing-hero h1 { font-size: 46px; }
  .landing-hero-copy > p:not(.eyebrow) { font-size: 14px; }
  .landing-hero-meta { display: none; }
  .landing-statement { grid-template-columns: 1fr; gap: 26px; padding: 62px 22px; }
  .landing-statement dl { grid-template-columns: 1fr; }
  .landing-statement dl div, .landing-statement dl div + div { padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--chrome-line); }
  .landing-statement dl div:last-child { border-bottom: 0; }
  .landing-statement dd { font-size: 34px; }
  .landing-feature-copy { padding: 54px 22px; }
  .landing-feature h2, .landing-platform h2 { font-size: 39px; }
  .landing-feature figure { min-height: 310px; }
  .landing-feature figure img { min-height: 263px; }
  .landing-platform { padding: 62px 22px; }
  .landing-platform > header { display: block; margin-bottom: 24px; }
  .landing-platform-grid { grid-template-columns: 1fr; }
  .landing-platform-grid a { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--chrome-line); }
  .landing-platform-grid a:last-child { border-bottom: 0; }
  .landing-platform-grid h3 { margin-top: 34px; }
  .landing-endcap { min-height: 315px; }
  .site-footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 22px; padding: 42px 22px 36px; }
  .site-footer-brand, .site-footer-grid > section:last-child { grid-column: 1 / -1; }
  .site-footer-bottom { align-items: start; flex-direction: column; gap: 7px; padding: 15px 22px; }
}