:root {
  --ink: #0f1419;
  --navy: #172235;
  --navy-2: #1b2636;
  --navy-3: #26384c;
  --paper: #f3f2ef;
  --white: #ffffff;
  --orange: #d8892b;
  --orange-bright: #ef6429;
  --orange-pale: #fff1e7;
  --green: #1d8c6f;
  --blue: #456987;
  --muted: #667085;
  --line: #d9dde3;
  --content: 1180px;
  --radius: 10px;
  --shadow: 0 24px 80px rgba(15, 20, 25, 0.12);
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
.container { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: 12px;
  transform: translateY(-150%);
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink);
  border-radius: 6px;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.site-header.scrolled {
  background: rgba(15, 20, 25, 0.94);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: min(calc(100% - 48px), 1320px);
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--white); }
.brand img { width: 38px; height: 38px; filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.14)); }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 18px; letter-spacing: 0.16em; white-space: nowrap; }
.brand-copy small { margin-top: 5px; color: #9ca6b3; font-size: 9px; letter-spacing: 0.18em; white-space: nowrap; }
.primary-nav { display: flex; align-items: center; gap: 28px; color: #b8c0ca; font-size: 14px; }
.primary-nav > a:not(.nav-cta) { position: relative; padding-block: 8px; }
.primary-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  inset: auto 0 1px;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.primary-nav > a:hover { color: var(--white); }
.primary-nav > a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  padding: 10px 16px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 6px;
  transition: background 180ms ease, border-color 180ms ease;
}
.nav-cta:hover { background: var(--orange); border-color: var(--orange); }
.nav-toggle { display: none; }

.hero {
  position: relative;
  min-height: 810px;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  display: grid;
  align-items: center;
  padding: 154px 0 96px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, black, transparent 75%);
}
.hero-orbit {
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  right: -170px;
  top: -180px;
  background: #19222d;
}
.hero-orbit span {
  position: absolute;
  width: 188px;
  height: 188px;
  border-radius: 50%;
  left: 33px;
  bottom: 45px;
  background: var(--orange-bright);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 76px; align-items: center; }
.eyebrow {
  margin-bottom: 20px;
  color: var(--orange-bright);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.2em;
}
.eyebrow.light { color: #c3cad3; }
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-right: 12px;
  vertical-align: 4px;
  background: currentColor;
}
.hero h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(46px, 5.4vw, 76px);
  line-height: 1.12;
  letter-spacing: -0.055em;
}
.hero h1 span { color: var(--orange-bright); }
.hero-lead { max-width: 630px; margin-bottom: 34px; color: #b7c0ca; font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 26px; }
.button {
  min-height: 52px;
  padding: 13px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 750;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--orange-bright); color: var(--white); }
.button-primary:hover { background: #ff7138; }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { background: var(--navy); }
.text-link { color: #c7ced7; font-size: 14px; }
.text-link span { display: inline-block; margin-left: 7px; color: var(--orange-bright); transition: transform 180ms ease; }
.text-link:hover span { transform: translateY(3px); }
.hero-proof { display: flex; gap: 28px; margin-top: 56px; color: #a6afba; font-size: 13px; }
.hero-proof li { display: flex; align-items: center; gap: 8px; }
.hero-proof span { color: var(--orange-bright); font: 700 11px/1 Arial, sans-serif; }

.hero-system {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid #314256;
  border-radius: var(--radius);
  background: #131b24;
  box-shadow: 0 42px 100px rgba(0, 0, 0, 0.35);
}
.system-topline {
  height: 48px;
  padding-inline: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #7f8b99;
  border-bottom: 1px solid #2b394a;
  font: 700 10px/1 Arial, sans-serif;
  letter-spacing: 0.15em;
}
.system-state { display: flex; align-items: center; gap: 8px; }
.system-state i, .status i, .stage-label i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(29, 140, 111, 0.12);
}
.vision-stage { position: relative; height: 314px; overflow: hidden; }
.scan-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(69,105,135,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(69,105,135,.16) 1px, transparent 1px);
  background-size: 32px 32px;
}
.scan-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent, rgba(15, 20, 25, 0.75) 82%);
}
.part-outline {
  position: absolute;
  width: 186px;
  height: 186px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 1px solid #566e86;
  border-radius: 26px;
}
.part-outline::before, .part-outline::after {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid #33485c;
  border-radius: 18px;
}
.part-outline::after { inset: 56px; border-color: #49637a; border-radius: 10px; }
.target-box {
  position: absolute;
  right: 20px;
  top: 36px;
  width: 42px;
  height: 34px;
  border: 1px solid var(--orange-bright);
  transform: rotate(-45deg);
}
.target-box::before, .target-box::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--orange-bright);
  border-radius: 50%;
  left: 17px;
  top: 14px;
}
.target-box b {
  position: absolute;
  left: 48px;
  top: -4px;
  color: var(--orange-bright);
  font: 700 9px/1 Arial, sans-serif;
  letter-spacing: .1em;
  white-space: nowrap;
}
.scan-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  left: 22%;
  background: linear-gradient(transparent, var(--orange-bright), transparent);
  box-shadow: 0 0 24px rgba(239, 100, 41, .7);
  animation: scan 5s ease-in-out infinite;
}
@keyframes scan { 0%, 100% { left: 22%; opacity: .2; } 50% { left: 78%; opacity: 1; } }
.axis { position: absolute; color: #647489; font: 700 9px/1 Arial, sans-serif; letter-spacing: .1em; }
.axis-x { right: 16px; bottom: 14px; }
.axis-y { left: 16px; top: 14px; }
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #2b394a; }
.pipeline li { min-width: 0; padding: 15px 12px 16px; display: flex; gap: 9px; border-right: 1px solid #2b394a; }
.pipeline li:last-child { border-right: 0; }
.pipeline b { color: var(--orange-bright); font: 700 10px/1.4 Arial, sans-serif; }
.pipeline span { color: #e6e9ed; font: 700 10px/1.35 Arial, sans-serif; letter-spacing: .04em; }
.pipeline small { margin-top: 5px; display: block; color: #778595; font: 500 11px/1.3 var(--font-sans); letter-spacing: 0; }
.pipeline-result { background: var(--orange-bright); }
.pipeline-result b, .pipeline-result small, .pipeline-result span { color: var(--white); }

.section-light { background: var(--paper); }
.statement { padding: 62px 0; border-bottom: 1px solid var(--line); }
.statement-grid { display: grid; grid-template-columns: 155px minmax(0, 1fr) 290px; gap: 34px; align-items: center; }
.section-index { margin: 0; color: var(--orange-bright); font: 700 11px/1.2 Arial, sans-serif; letter-spacing: .14em; }
.statement-copy { margin: 0; font-size: clamp(24px, 3vw, 38px); line-height: 1.4; letter-spacing: -.03em; }
.statement-copy strong { color: var(--orange-bright); }
.statement-note { margin: 0; color: var(--muted); font-size: 14px; }

.section { padding: 118px 0; }
.section-heading { margin-bottom: 58px; display: grid; grid-template-columns: 1fr minmax(280px, 420px); gap: 48px; align-items: end; }
.section-heading h2, .about h2, .contact h2, .poc h2, .validation h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.22;
  letter-spacing: -.045em;
}
.section-heading > p { margin: 0; color: var(--muted); }
.dark-heading h2 { color: var(--white); }
.dark-heading > p { color: #9aa5b2; }

.capability-list { border-top: 1px solid #cfd4da; }
.capability {
  min-height: 172px;
  padding: 34px 4px;
  display: grid;
  grid-template-columns: 70px 1fr 1.2fr 110px;
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid #cfd4da;
}
.capability-number { color: var(--orange-bright); font: 700 12px/1 Arial, sans-serif; }
.capability-title h3 { margin-bottom: 6px; font-size: 25px; line-height: 1.25; }
.capability-title p, .capability > p { margin: 0; color: var(--muted); font-size: 14px; }
.capability > p { max-width: 420px; }
.capability-tag { justify-self: end; padding: 6px 10px; color: var(--navy); border: 1px solid #b8c1cb; border-radius: 999px; font: 700 10px/1 Arial, sans-serif; letter-spacing: .11em; }

.validation { color: var(--white); background: var(--ink); }
.validation-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 76px; align-items: center; }
.validation-title > p:last-child { max-width: 470px; margin-top: 28px; margin-bottom: 0; color: #9ba6b3; }
.validation-board { overflow: hidden; border: 1px solid #34475d; border-radius: var(--radius); background: var(--navy-2); }
.board-head { padding: 18px 22px; display: flex; justify-content: space-between; border-bottom: 1px solid #34475d; color: #95a1ae; font: 700 10px/1 Arial, sans-serif; letter-spacing: .12em; }
.status { display: flex; align-items: center; gap: 9px; color: #9ccabb; }
.metric-main { padding: 32px 28px 30px; display: grid; grid-template-columns: 1fr auto; gap: 6px 20px; align-items: end; }
.metric-main span { color: #aeb6c0; font-size: 14px; }
.metric-main strong { grid-row: 1 / 3; grid-column: 2; color: var(--white); font: 700 clamp(56px, 7vw, 86px)/.85 Arial, sans-serif; letter-spacing: -.07em; }
.metric-main small { color: #778595; font-size: 12px; }
.metric-rows { border-top: 1px solid #34475d; }
.metric-rows div { padding: 13px 22px; display: flex; justify-content: space-between; gap: 24px; border-bottom: 1px solid #2c3d50; font-size: 13px; }
.metric-rows span { color: #7f8b99; }
.metric-rows b { text-align: right; font-weight: 600; }
.board-note { margin: 0; padding: 18px 22px; color: #ee9a68; background: rgba(239, 100, 41, .08); font-size: 13px; }

.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.industry-card { min-height: 570px; padding: 28px; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.industry-card.featured { border: 2px solid var(--orange-bright); box-shadow: var(--shadow); }
.industry-top { min-height: 36px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; }
.industry-no { color: var(--orange-bright); font: 700 12px/1 Arial, sans-serif; }
.badge { padding: 6px 11px; color: #c84e1e; background: var(--orange-pale); border-radius: 999px; font-weight: 700; }
.industry-card h3 { margin: 38px 0 12px; font-size: 27px; line-height: 1.25; }
.industry-sub { min-height: 78px; color: var(--muted); font-size: 14px; }
.industry-card ul { margin-top: 8px; }
.industry-card li { position: relative; padding: 10px 0 10px 18px; border-top: 1px solid #e7e9ec; font-size: 14px; }
.industry-card li::before { content: ""; position: absolute; left: 0; top: 19px; width: 5px; height: 5px; border-radius: 50%; background: var(--orange-bright); }
.acceptance { margin-top: auto; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; border-top: 1px solid var(--line); }
.acceptance span { width: 100%; margin-bottom: 2px; color: var(--muted); font-size: 11px; }
.acceptance b { padding: 5px 8px; color: var(--navy); background: #eef1f5; border-radius: 4px; font-size: 11px; font-weight: 650; }
.reference-note { max-width: 760px; margin: 22px 0 0 auto; color: var(--muted); text-align: right; font-size: 12px; }

.boundary { color: var(--white); background: var(--ink); }
.boundary-grid { display: grid; grid-template-columns: 1.65fr .85fr; gap: 24px; }
.boundary-panel { padding: 28px; border: 1px solid #34475d; border-radius: var(--radius); background: var(--navy-2); }
.boundary-panel.fit { border-color: #2a8d73; }
.panel-kicker { margin-bottom: 20px; color: #9ba6b3; font-size: 13px; font-weight: 700; }
.boundary-panel li { min-height: 72px; display: grid; grid-template-columns: 38px 1fr auto; gap: 16px; align-items: center; border-top: 1px solid #2d3d4d; }
.boundary-panel li > span { color: #6f8093; font: 700 11px/1 Arial, sans-serif; }
.boundary-panel.fit li:first-child > span { color: #46aa8d; }
.boundary-panel b, .boundary-panel small { display: block; }
.boundary-panel b { font-size: 15px; }
.boundary-panel small { margin-top: 4px; color: #8b98a7; font-size: 12px; }
.boundary-panel em { padding: 5px 8px; color: #9ca8b6; background: #263447; border-radius: 999px; font-size: 10px; font-style: normal; }
.boundary-panel.fit li:first-child em { color: #a8ddcd; background: rgba(29, 140, 111, .22); }
.not-fit { background: #121922; }
.not-fit li { grid-template-columns: 38px 1fr; }
.not-fit li > span { color: var(--orange-bright); font-size: 20px; }

.roles-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.roles-grid article { padding: 42px; background: var(--white); }
.roles-grid .role-zhujie { color: var(--white); background: var(--ink); }
.role-heading { padding-bottom: 25px; display: flex; align-items: flex-end; justify-content: space-between; border-bottom: 1px solid #dfe3e7; }
.role-zhujie .role-heading { border-color: #344251; }
.role-heading span { color: var(--blue); font: 700 10px/1 Arial, sans-serif; letter-spacing: .16em; }
.role-zhujie .role-heading span { color: var(--orange-bright); }
.role-heading h3 { margin: 0; font-size: 26px; }
.roles-grid ul { margin-top: 20px; }
.roles-grid li { position: relative; padding: 12px 0 12px 31px; font-size: 14px; }
.roles-grid li::before { content: "✓"; position: absolute; left: 0; top: 12px; width: 20px; height: 20px; display: grid; place-items: center; color: var(--white); background: var(--blue); border-radius: 4px; font-size: 11px; font-weight: 700; }
.role-zhujie li::before { background: var(--orange-bright); }

.cooperation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cooperation-card { min-height: 420px; padding: 30px; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.cooperation-card > span { width: 50px; height: 50px; display: grid; place-items: center; color: var(--white); background: var(--orange-bright); border-radius: 50%; font: 700 18px/1 Arial, sans-serif; }
.cooperation-card h3 { margin: 42px 0 14px; font-size: 26px; }
.cooperation-card > p { color: var(--muted); font-size: 14px; }
.cooperation-card footer { margin-top: auto; padding-top: 22px; display: grid; gap: 4px; border-top: 1px solid var(--line); }
.cooperation-card footer b { color: var(--orange-bright); font-size: 14px; }
.cooperation-card footer small { color: var(--muted); font-size: 12px; }

.poc { padding: 98px 0; background: var(--ink); }
.poc-shell { padding: 64px; display: grid; grid-template-columns: .92fr 1.08fr; gap: 72px; color: var(--ink); background: var(--orange-bright); border-radius: var(--radius); }
.poc .eyebrow { color: #fff0e9; }
.poc-heading > p:not(.eyebrow) { max-width: 480px; margin: 24px 0 32px; color: #522110; }
.poc-steps { border-top: 1px solid rgba(15, 20, 25, .28); }
.poc-steps li { padding: 24px 0; display: grid; grid-template-columns: 50px 1fr; gap: 16px; border-bottom: 1px solid rgba(15, 20, 25, .28); }
.poc-steps > li > span { width: 38px; height: 38px; display: grid; place-items: center; color: var(--orange-bright); background: var(--white); border-radius: 6px; font: 700 13px/1 Arial, sans-serif; }
.poc-steps h3 { margin: 0 0 6px; font-size: 18px; }
.poc-steps p { margin: 0; color: #54200e; font-size: 13px; }

.about { color: var(--white); background: var(--ink); border-top: 1px solid #273443; }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.about-copy > p:not(.eyebrow) { max-width: 470px; margin-top: 24px; color: #9ca7b3; }
.about-details { padding: 34px; border: 1px solid #34475d; border-radius: var(--radius); background: var(--navy-2); }
.stage-label { padding-bottom: 24px; display: grid; grid-template-columns: 14px 100px 1fr; align-items: center; gap: 10px; border-bottom: 1px solid #354658; }
.stage-label span { color: #8f9ba9; font-size: 12px; }
.stage-label b { text-align: right; font-size: 14px; }
.about-details > p { margin: 24px 0; color: #b3bbc5; font-size: 14px; }
.tech-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tech-list li { padding: 10px 12px; color: #c0c8d1; background: #212e3e; border-radius: 4px; font-size: 12px; }

.contact { padding: 112px 0 72px; }
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: start; }
.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contacts a { min-height: 180px; padding: 22px; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
.contacts a:hover { transform: translateY(-4px); border-color: var(--orange-bright); box-shadow: 0 18px 48px rgba(15, 20, 25, .1); }
.contacts span { color: var(--muted); font-size: 11px; }
.contacts b { margin-top: 28px; font-size: 18px; }
.contacts strong { margin-top: auto; color: var(--orange-bright); font: 700 17px/1.2 Arial, sans-serif; }
.address { grid-column: 2; margin: -32px 0 0; color: var(--muted); font-size: 12px; }

.site-footer { padding: 36px 0; color: #8f9aa8; background: var(--ink); border-top: 1px solid #273443; }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 36px; align-items: center; }
.footer-grid p { margin: 0; font-size: 12px; }
.footer-brand img { border-radius: 4px; }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 650ms ease, transform 650ms ease; }
.js .reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ================= Multi-page / dual-track additions ================= */
.primary-nav > a[aria-current="page"] { color: var(--white); }
.primary-nav > a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.text-link.go span { margin-left: 7px; }
.text-link.go:hover span { transform: translateX(4px); }

/* one capability, three depths */
.depth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.depth-card { min-height: 340px; padding: 30px; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
.depth-card:hover { transform: translateY(-4px); border-color: var(--orange-bright); box-shadow: var(--shadow); }
.depth-card.featured { border: 2px solid var(--orange-bright); box-shadow: var(--shadow); }
.depth-top { min-height: 30px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.depth-no { color: var(--orange-bright); font: 700 12px/1 Arial, sans-serif; letter-spacing: .12em; }
.depth-track { padding: 6px 11px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.track-integrator { color: var(--navy); background: #eef1f5; }
.track-end { color: #c84e1e; background: var(--orange-pale); }
.depth-card h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.25; }
.depth-kick { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.depth-card ul { margin: 0; }
.depth-card li { position: relative; padding: 8px 0 8px 18px; font-size: 13px; color: #48505c; border-top: 1px solid #edeff2; }
.depth-card li:first-child { border-top: 0; }
.depth-card li::before { content: ""; position: absolute; left: 0; top: 16px; width: 5px; height: 5px; border-radius: 50%; background: var(--orange-bright); }
.depth-link { margin-top: auto; padding-top: 22px; display: inline-flex; align-items: center; gap: 7px; border-top: 1px solid var(--line); color: var(--orange-bright); font-size: 14px; font-weight: 750; }
.depth-link span { transition: transform 180ms ease; }
.depth-card:hover .depth-link span { transform: translateX(4px); }

/* cross-track routing band */
.crosslink { padding: 30px 0; background: var(--navy-2); color: #c7ced7; }
.crosslink .container { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
.crosslink p { margin: 0; font-size: 15px; }
.crosslink b { color: var(--white); }
.crosslink a { display: inline-flex; align-items: center; gap: 8px; color: var(--orange-bright); font-weight: 750; font-size: 14px; white-space: nowrap; }
.crosslink a span { transition: transform 180ms ease; }
.crosslink a:hover span { transform: translateX(4px); }

/* honest capability badges */
.badge.soft { color: var(--muted); background: #eef1f5; }
.badge.talking { color: #1a7d63; background: rgba(29, 140, 111, .13); }

/* scenario grid (fullstack) */
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.scenario-card { padding: 30px; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.scenario-top { min-height: 30px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; color: var(--muted); font-size: 12px; }
.scenario-no { color: var(--orange-bright); font: 700 12px/1 Arial, sans-serif; }
.scenario-card h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.25; }
.scenario-card > p { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
.scenario-card ul { margin-top: auto; }
.scenario-card li { position: relative; padding: 8px 0 8px 18px; font-size: 13px; color: #48505c; border-top: 1px solid #edeff2; }
.scenario-card li::before { content: ""; position: absolute; left: 0; top: 16px; width: 5px; height: 5px; border-radius: 50%; background: var(--orange-bright); }

@media (max-width: 1020px) {
  .depth-grid { grid-template-columns: 1fr; }
  .depth-card { min-height: 0; }
  .scenario-grid { grid-template-columns: 1fr; }
}

/* single-column hero (home + fullstack; scan visual only lives on vision page) */
.hero-solo { min-height: 620px; }
.hero-solo .hero-grid { grid-template-columns: 1fr; }
.hero-solo .hero-copy { max-width: 900px; }
.hero-solo .hero-lead { max-width: 720px; }
@media (max-width: 760px) { .hero-solo { min-height: auto; } }

/* nav: hamburger menu from tablet down, closing the 761–1020px gap where no menu showed */
@media (max-width: 1020px) {
  .nav-toggle {
    position: relative; z-index: 3; width: 42px; height: 42px; padding: 0;
    display: grid; place-items: center; color: var(--white);
    background: transparent; border: 1px solid rgba(255,255,255,.22); border-radius: 6px;
  }
  .nav-toggle span:not(.sr-only) { position: absolute; width: 18px; height: 1px; background: currentColor; transition: transform 180ms ease, top 180ms ease; }
  .nav-toggle span:nth-of-type(2) { top: 16px; }
  .nav-toggle span:nth-of-type(3) { top: 24px; }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(2) { top: 20px; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(3) { top: 20px; transform: rotate(-45deg); }
  .primary-nav {
    position: fixed; z-index: 2; inset: 0; padding: 110px 24px 36px;
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); transform: translateX(100%); transition: transform 220ms ease;
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav > a:not(.nav-cta) { display: block; padding: 18px 4px; color: var(--white); border-bottom: 1px solid #2d3946; font-size: 18px; }
  .primary-nav > a[aria-current="page"] { color: var(--orange-bright); }
  .nav-cta { margin-top: 28px; padding: 16px; text-align: center; background: var(--orange-bright); border-color: var(--orange-bright); }
}

/* prominent hero tagline pill (replaces the small hero eyebrow) */
.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 26px;
  padding: 10px 18px 10px 16px;
  border: 1px solid rgba(239, 100, 41, .5);
  border-radius: 999px;
  background: rgba(239, 100, 41, .12);
  color: #f0e2d8;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1;
}
.hero-tagline::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange-bright);
  box-shadow: 0 0 0 4px rgba(239, 100, 41, .18);
}
.hero-tagline b { color: var(--orange-bright); font-weight: 800; letter-spacing: .1em; }
@media (max-width: 760px) {
  .hero-tagline { font-size: 13px; gap: 9px; padding: 8px 14px; margin-bottom: 22px; }
}

@media (max-width: 1020px) {
  .primary-nav { gap: 18px; }
  .primary-nav > a:not(.nav-cta) { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .hero-copy { max-width: 740px; }
  .hero-system { width: min(100%, 700px); }
  .statement-grid { grid-template-columns: 110px 1fr; }
  .statement-note { grid-column: 2; }
  .validation-grid, .about-grid { grid-template-columns: 1fr; }
  .validation-title > p:last-child { max-width: 690px; }
  .industry-grid, .cooperation-grid { grid-template-columns: 1fr; }
  .industry-card, .cooperation-card { min-height: 0; }
  .industry-sub { min-height: 0; }
  .industry-card ul { margin-bottom: 34px; }
  .boundary-grid { grid-template-columns: 1fr; }
  .poc-shell { grid-template-columns: 1fr; gap: 48px; }
  .about-grid { gap: 48px; }
}

@media (max-width: 760px) {
  .container, .nav-shell { width: min(calc(100% - 32px), var(--content)); }
  .nav-shell { min-height: 68px; }
  .brand-copy strong { font-size: 16px; }
  .brand-copy small { font-size: 8px; }
  .nav-toggle {
    position: relative;
    z-index: 3;
    width: 42px;
    height: 42px;
    padding: 0;
    display: grid;
    place-items: center;
    color: var(--white);
    background: transparent;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 6px;
  }
  .nav-toggle span:not(.sr-only) { position: absolute; width: 18px; height: 1px; background: currentColor; transition: transform 180ms ease, top 180ms ease; }
  .nav-toggle span:nth-of-type(2) { top: 16px; }
  .nav-toggle span:nth-of-type(3) { top: 24px; }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(2) { top: 20px; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(3) { top: 20px; transform: rotate(-45deg); }
  .primary-nav {
    position: fixed;
    z-index: 2;
    inset: 0;
    padding: 110px 24px 36px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    transform: translateX(100%);
    transition: transform 220ms ease;
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav > a:not(.nav-cta) { display: block; padding: 18px 4px; color: var(--white); border-bottom: 1px solid #2d3946; font-size: 18px; }
  .nav-cta { margin-top: 28px; padding: 16px; text-align: center; background: var(--orange-bright); border-color: var(--orange-bright); }
  .hero { padding: 128px 0 70px; }
  .hero-orbit { width: 270px; height: 270px; right: -135px; top: -120px; }
  .hero-orbit span { width: 110px; height: 110px; left: 22px; bottom: 28px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-proof { gap: 12px 20px; flex-wrap: wrap; }
  .vision-stage { height: 270px; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipeline li { border-bottom: 1px solid #2b394a; }
  .pipeline li:nth-child(2) { border-right: 0; }
  .part-outline { width: 152px; height: 152px; }
  .statement { padding: 44px 0; }
  .statement-grid { grid-template-columns: 1fr; gap: 18px; }
  .statement-note { grid-column: 1; }
  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 38px; grid-template-columns: 1fr; gap: 20px; }
  .capability { grid-template-columns: 42px 1fr; gap: 18px; }
  .capability > p { grid-column: 2; }
  .capability-tag { grid-column: 2; justify-self: start; }
  .validation-grid { gap: 42px; }
  .metric-main { grid-template-columns: 1fr; }
  .metric-main strong { grid-row: auto; grid-column: auto; margin-top: 12px; }
  .metric-rows div { align-items: flex-start; flex-direction: column; gap: 4px; }
  .metric-rows b { text-align: left; }
  .industry-card { padding: 24px; }
  .boundary-panel { padding: 20px; }
  .boundary-panel li { grid-template-columns: 30px 1fr; padding: 14px 0; }
  .boundary-panel em { grid-column: 2; justify-self: start; }
  .roles-grid { grid-template-columns: 1fr; }
  .roles-grid article { padding: 28px 22px; }
  .poc { padding: 62px 0; }
  .poc-shell { padding: 38px 22px; }
  .poc-steps li { grid-template-columns: 44px 1fr; }
  .about-details { padding: 24px; }
  .stage-label { grid-template-columns: 14px 1fr; }
  .stage-label b { grid-column: 2; text-align: left; }
  .tech-list { grid-template-columns: 1fr; }
  .contact { padding: 82px 0 56px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .contacts { grid-template-columns: 1fr; }
  .contacts a { min-height: 150px; }
  .address { grid-column: 1; margin: -14px 0 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-brand { margin-bottom: 8px; }
}
