:root {
  --bg: #071512;
  --surface: #102722;
  --surface-2: #163831;
  --surface-3: #0d221d;
  --border: rgba(111, 155, 142, 0.22);
  --fg: #e9efe8;
  --muted: #9db3aa;
  --subtle: #7f948d;
  --accent: #f1a62b;
  --accent-strong: #ffbe4d;
  --blue: #49a2ff;
  --green: #32b271;
  --warn: #d8a33b;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--fg);
  background:
    radial-gradient(circle at 82% 8%, rgba(69, 110, 105, 0.22), transparent 28rem),
    radial-gradient(circle at 10% 18%, rgba(33, 57, 71, 0.4), transparent 24rem),
    linear-gradient(180deg, #091a17 0%, #071512 100%);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
p,h1,h2,h3,h4 { margin: 0; }

.page-shell { overflow: clip; }
.container { width: min(100%, 1584px); margin: 0 auto; padding: 0 32px; }

.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(198,198,198,.08);
  background: rgba(11,19,24,.8);
  backdrop-filter: blur(18px);
}
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 56px;
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 220px; font-size: 14px; font-weight: 700; }
.brand-mark {
  display: grid;
  grid-template-columns: repeat(4, 5px);
  gap: 2px;
  width: 26px;
  height: 26px;
  padding: 2px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent);
}
.brand-mark span { background: var(--accent); }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: center; }
.nav-links a { color: var(--muted); font-size: 14px; }
.nav-links a.active, .nav-links a:hover { color: var(--fg); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--border);
  background: rgba(16, 39, 34, 0.72);
  color: var(--fg);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(241,166,43,.34); }
.btn-primary { background: var(--accent); color: #111; border-color: transparent; }
.btn-secondary { background: rgba(22, 56, 49, 0.84); }
.btn-ghost { background: transparent; }

main { padding-bottom: 56px; }
.section { padding: 88px 0; }
.hero { padding: 60px 0 88px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .32px;
  text-transform: uppercase;
}
h1 { font-size: clamp(56px, 6vw, 92px); line-height: 1.02; font-weight: 300; }
h2 { font-size: clamp(40px, 4vw, 72px); line-height: 1.08; font-weight: 300; }
h3 { font-size: 22px; line-height: 1.35; font-weight: 600; }
.hero-subtitle { margin-top: 28px; font-size: clamp(24px, 2vw, 32px); color: var(--fg); }
.hero-statement {
  display: grid;
  grid-template-columns: 4px 1fr;
  max-width: 760px;
  margin-top: 36px;
  border: 1px solid rgba(241,166,43,.26);
  background: rgba(16,39,34,.68);
}
.hero-statement::before { content: ""; background: linear-gradient(180deg, var(--accent), rgba(241,166,43,.24)); }
.hero-statement strong { padding: 20px 24px; font-size: clamp(28px, 3vw, 54px); line-height: 1.18; font-weight: 300; }
.hero-body, .section-intro, .body-copy p, .footer-note { color: var(--muted); line-height: 1.9; font-size: 18px; }
.hero-body { margin-top: 28px; max-width: 900px; }
.chip-row, .button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.chip-row { margin-top: 32px; }
.chip {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--border);
  background: rgba(16,39,34,.76);
  color: var(--muted);
  font-size: 13px;
}
.chip.hot { color: var(--accent); border-color: rgba(241,166,43,.24); }
.button-row { margin-top: 32px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(520px, .92fr);
  gap: 56px;
  align-items: center;
}
.hero-panel {
  min-height: 770px;
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(111,155,142,.12) 1px, transparent 1px),
    linear-gradient(180deg, rgba(111,155,142,.12) 1px, transparent 1px),
    rgba(16, 39, 34, 0.68);
  background-size: 40px 40px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
}
.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  min-height: 58px;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.live-badge {
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 12px;
  padding-left: 18px;
  position: relative;
}
.live-badge::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  transform: translateY(-50%);
}
.hero-panel-body { display: grid; grid-template-columns: 1.08fr .8fr; gap: 18px; padding: 18px; }
.hero-panel-body.single-column { grid-template-columns: 1fr; }
.stack { display: grid; gap: 18px; }
.module-card { border: 1px solid rgba(255,255,255,.06); background: rgba(16,39,34,.64); padding: 16px; }
.module-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--subtle); font-family: var(--font-mono); font-size: 12px; }
.brief-list, .risk-list, .insight-list { display: grid; gap: 12px; margin-top: 16px; }
.brief-item, .risk-item, .insight-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 12px;
  padding: 14px;
  background: rgba(255,255,255,.02);
  border-left: 2px solid rgba(255,255,255,.08);
  color: var(--muted);
}
.brief-item strong, .risk-item strong, .insight-item strong { color: var(--fg); }
.brief-item.hot, .risk-item.hot { border-left-color: var(--accent); }
.brief-item.blue { border-left-color: var(--blue); }
.brief-item.good, .risk-item.good { border-left-color: var(--green); }
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 16px;
  background: rgba(255,255,255,.06);
}
.metric-strip article { padding: 16px; background: rgba(11,29,25,.9); }
.metric-strip strong { display: block; color: var(--accent-strong); font-size: 42px; line-height: 1; font-weight: 300; }
.metric-strip span { display: block; margin-top: 8px; color: var(--muted); }
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 0 10px;
  border: 1px solid rgba(255,255,255,.1);
  font-size: 12px;
  white-space: nowrap;
}
.status-pill.gold { color: var(--accent); background: rgba(241,166,43,.12); }
.status-pill.blue { color: var(--blue); background: rgba(73,162,255,.12); }
.status-pill.green { color: #7ad9aa; background: rgba(50,178,113,.12); }
.status-pill.warn { color: #f0bf5d; background: rgba(216,163,59,.12); }

.section-header {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(300px, .52fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 40px;
}
.role-grid, .report-grid, .ability-grid, .future-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}
.role-grid { grid-template-columns: repeat(3, 1fr); }
.report-grid { grid-template-columns: repeat(5, 1fr); }
.ability-grid { grid-template-columns: repeat(4, 1fr); }
.future-grid { grid-template-columns: repeat(4, 1fr); }
.role-card, .report-card, .ability-card, .future-card, .principle-card {
  min-height: 220px;
  padding: 24px;
  background:
    linear-gradient(90deg, rgba(111,155,142,.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(111,155,142,.08) 1px, transparent 1px),
    var(--surface);
  background-size: 32px 32px;
}
.card-kicker {
  display: block;
  margin-bottom: 18px;
  color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24px;
}
.role-card p, .report-card p, .ability-card p, .future-card p, .principle-card p { margin-top: 12px; color: var(--muted); line-height: 1.75; font-size: 15px; }
.pull-quote { margin-top: 20px; border: 1px solid var(--border); background: rgba(11,29,25,.84); }
.pull-quote blockquote { margin: 0; padding: 28px 32px; color: var(--fg); font-size: clamp(24px, 2.2vw, 38px); line-height: 1.45; font-weight: 300; position: relative; }
.pull-quote blockquote::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--blue); }

.table-shell { overflow: hidden; border: 1px solid var(--border); background: rgba(16,39,34,.6); }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 980px; border-collapse: collapse; }
th, td { padding: 14px 12px; border-bottom: 1px solid rgba(111,155,142,.12); text-align: left; vertical-align: top; font-size: 14px; }
th { color: var(--subtle); font-weight: 600; background: rgba(16,39,34,.84); }
tbody tr:hover { background: rgba(23,56,49,.48); }

.question-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}
.question-card {
  border: 0;
  background: rgba(16,39,34,.84);
  color: var(--fg);
  text-align: left;
  padding: 22px;
  min-height: 118px;
  cursor: pointer;
}
.question-card:hover, .question-card.is-active, .question-card.active {
  background: rgba(64, 82, 82, .84);
}
.question-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
}
.qa-layout {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(420px, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}
.qa-side, .answer-side { background: var(--surface); padding: 24px; }
.answer-panel { min-height: 100%; border: 1px solid rgba(255,255,255,.06); background: rgba(16,39,34,.6); padding: 24px; }
.answer-meta { color: var(--subtle); font-family: var(--font-mono); font-size: 12px; margin-bottom: 12px; }
.answer-panel h3 { font-size: clamp(26px, 2.2vw, 42px); line-height: 1.2; font-weight: 300; margin-bottom: 18px; }
.answer-list { display: grid; }
.answer-item { display: grid; grid-template-columns: 160px 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.06); }
.answer-item strong { color: var(--fg); }
.answer-item span { color: var(--muted); line-height: 1.75; }

.relationship-layout, .dataflow-layout {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(420px, 1fr);
  gap: 28px;
}
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}
.relationship-map, .dataflow-map {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.06);
  background:
    linear-gradient(90deg, rgba(111,155,142,.1) 1px, transparent 1px),
    linear-gradient(180deg, rgba(111,155,142,.1) 1px, transparent 1px),
    rgba(16,39,34,.6);
  background-size: 40px 40px;
}
.relationship-map::before, .relationship-map::after, .dataflow-map::before, .dataflow-map::after {
  content: "";
  position: absolute;
  inset: 14% 14%;
  border: 1px solid rgba(73,162,255,.18);
  transform: rotate(16deg);
}
.relationship-map::after, .dataflow-map::after {
  inset: 24% 10%;
  border-color: rgba(50,178,113,.18);
  transform: rotate(-14deg);
}
.node {
  position: absolute;
  z-index: 2;
  min-width: 124px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(16,39,34,.92);
  color: var(--muted);
  line-height: 1.45;
}
.node strong { display: block; color: var(--fg); margin-bottom: 4px; }
.node.core {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  min-width: 210px;
  text-align: center;
  color: var(--accent-strong);
  border-color: rgba(241,166,43,.3);
}
.one { left: 8%; top: 14%; }
.two { right: 8%; top: 14%; }
.three { left: 40%; top: 8%; }
.four { left: 10%; bottom: 14%; }
.five { right: 8%; bottom: 14%; }
.six { left: 40%; bottom: 8%; }
.node.input-1 { left: 5%; top: 10%; }
.node.input-2 { left: 28%; top: 10%; }
.node.input-3 { left: 52%; top: 10%; }
.node.input-4 { left: 75%; top: 10%; }
.node.input-5 { left: 8%; top: 34%; }
.node.input-6 { left: 32%; top: 34%; }
.node.input-7 { left: 56%; top: 34%; }
.node.input-8 { left: 78%; top: 34%; }
.node.input-9 { left: 18%; top: 58%; }
.node.input-10 { left: 62%; top: 58%; }
.node.output-1 { left: 4%; bottom: 8%; }
.node.output-2 { left: 22%; bottom: 8%; }
.node.output-3 { left: 40%; bottom: 8%; }
.node.output-4 { left: 58%; bottom: 8%; }
.node.output-5 { left: 74%; bottom: 8%; }
.node.output-6 { left: 12%; bottom: 28%; }
.node.output-7 { right: 10%; bottom: 28%; }

.detail-shell {
  padding: 24px;
  border: 1px solid var(--border);
  background: rgba(11,29,25,.92);
}
.detail-shell h3 { margin-bottom: 16px; font-size: 24px; }
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.detail-item {
  border: 1px solid var(--border);
  background: rgba(16,39,34,.76);
  padding: 14px;
}
.detail-item span {
  display: block;
  color: var(--subtle);
  font-size: 12px;
  margin-bottom: 8px;
}
.detail-item strong { display: block; color: var(--fg); line-height: 1.75; }

.footer-note {
  padding: 24px;
  border: 1px solid var(--border);
  background: rgba(11,29,25,.92);
  color: var(--muted);
  line-height: 1.85;
}

.cta-band { padding: 88px 0; border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); }
.cta-box { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; }
.cta-box p { margin-top: 18px; color: var(--muted); line-height: 1.8; }

footer { padding: 48px 0 40px; color: var(--muted); background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3, .6fr); gap: 32px; }
footer h3 { margin-bottom: 14px; color: var(--fg); font-size: 16px; }
footer a, footer p { display: block; margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.copyright { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); }

@media (max-width: 1180px) {
  .nav-links { display: none; }
  .hero-grid,
  .qa-layout,
  .relationship-layout,
  .dataflow-layout,
  .cta-box { grid-template-columns: 1fr; }
  .role-grid, .report-grid, .ability-grid, .future-grid, .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-panel-body { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .container { padding: 0 20px; }
  .section, .cta-band { padding: 56px 0; }
  .hero { padding: 48px 0 64px; }
  .section-header, .role-grid, .report-grid, .ability-grid, .future-grid, .principle-grid, .footer-grid, .detail-grid { grid-template-columns: 1fr; }
  .question-grid { grid-template-columns: 1fr; }
  .answer-item { grid-template-columns: 1fr; }
  .metric-strip { grid-template-columns: repeat(2, 1fr); }
}