:root {
  color-scheme: dark;
  --bg: #080909;
  --bg-soft: #101312;
  --panel: #151917;
  --panel-strong: #1c211f;
  --text: #edf2ee;
  --muted: #9aa59d;
  --line: rgba(237, 242, 238, 0.13);
  --cyan: #14d6d6;
  --green: #2bd47f;
  --amber: #f1b84b;
  --red: #ef6b62;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(20, 214, 214, 0.08), transparent 360px),
    linear-gradient(90deg, rgba(241, 184, 75, 0.035), transparent 38%, transparent 62%, rgba(43, 212, 127, 0.035)),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 64px);
  border-bottom: 1px solid transparent;
  background: rgba(8, 9, 9, 0.82);
  backdrop-filter: blur(18px);
}

.site-header[data-elevated="true"] {
  border-bottom-color: var(--line);
}

.brand,
.nav-links,
.header-tools,
.language-switch,
.hero-actions,
.cta-inner,
.footer-inner {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  min-width: max-content;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px rgba(20, 214, 214, 0.16), 0 0 20px rgba(20, 214, 214, 0.28);
}

.nav-links {
  gap: clamp(16px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a:hover,
.header-action:hover,
.language-switch a:hover {
  color: var(--text);
}

.header-tools {
  justify-content: flex-end;
  gap: 14px;
  min-width: max-content;
}

.language-switch {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(237, 242, 238, 0.04);
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 34px;
  padding: 0 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.language-switch a + a {
  border-left: 1px solid var(--line);
}

.language-switch a[aria-current="page"] {
  background: rgba(20, 214, 214, 0.14);
  color: var(--cyan);
}

.header-action {
  min-width: max-content;
  color: var(--cyan);
  font-size: 0.92rem;
  font-weight: 700;
}

.section-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(460px, 1.05fr);
  align-items: center;
  gap: clamp(36px, 6vw, 76px);
  min-height: calc(100vh - 72px);
  padding: 56px 0 72px;
}

.eyebrow,
.console-kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
figure,
blockquote {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1rem;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 28px;
  color: #c9d2cc;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.slogan-block {
  max-width: 640px;
  margin-bottom: 30px;
  padding: 18px 0 18px 22px;
  border-left: 3px solid var(--amber);
}

.slogan-block blockquote {
  margin-bottom: 8px;
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.28;
}

.slogan-block figcaption {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 800;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  border-color: rgba(20, 214, 214, 0.75);
  background: var(--cyan);
  color: #031111;
}

.button.secondary {
  background: rgba(237, 242, 238, 0.04);
  color: var(--text);
}

.hero-console {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(237, 242, 238, 0.04), transparent),
    var(--panel);
  box-shadow: var(--shadow);
}

.console-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

.console-top h2 {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 2.3vw, 2.2rem);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(43, 212, 127, 0.45);
  border-radius: 999px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.signal-grid article {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.signal-grid article:last-child {
  border-right: 0;
}

.signal-grid span,
.score-row span,
.console-log span {
  color: var(--muted);
  font-size: 0.78rem;
}

.signal-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
}

.sample-strip {
  display: grid;
  grid-template-columns: minmax(120px, 0.7fr) minmax(180px, 1.4fr) minmax(150px, 0.9fr);
  align-items: center;
  gap: 18px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}

.sample-stat span,
.risk-state span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
}

.sample-stat strong,
.risk-state strong {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 1.05rem;
}

.sample-stat strong {
  color: var(--green);
}

.risk-state strong {
  color: var(--amber);
}

.mini-chart {
  display: block;
  width: 100%;
  min-width: 0;
  height: 72px;
}

.mini-chart path {
  fill: none;
  stroke: var(--cyan);
  stroke-linecap: round;
  stroke-width: 4;
  filter: drop-shadow(0 0 12px rgba(20, 214, 214, 0.35));
}

.flow-visual {
  position: relative;
  min-height: 260px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(rgba(237, 242, 238, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237, 242, 238, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

.flow-visual canvas {
  display: block;
  width: 100%;
  height: 260px;
}

.flow-step {
  position: absolute;
  display: grid;
  place-items: center;
  width: 86px;
  height: 34px;
  border: 1px solid rgba(237, 242, 238, 0.16);
  border-radius: var(--radius);
  background: rgba(8, 9, 9, 0.82);
  color: #dfe8e2;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  font-weight: 800;
}

.step-one {
  left: 5%;
  top: 38%;
}

.step-two {
  left: 25%;
  top: 18%;
}

.step-three {
  left: 45%;
  top: 48%;
}

.step-four {
  right: 22%;
  top: 24%;
}

.step-five {
  right: 6%;
  top: 52%;
}

.console-log {
  min-height: 148px;
  padding: 18px 24px 22px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
}

.console-log p {
  display: flex;
  gap: 12px;
  margin-bottom: 9px;
  color: #d6dfd8;
}

.split-section,
.verification-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  gap: clamp(30px, 6vw, 72px);
  padding: 112px 0;
}

.method-stack {
  display: grid;
  gap: 14px;
}

.method-stack article,
.risk-grid article,
.capability-list article,
.workflow-rail article,
.use-case-grid article,
.governance-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(237, 242, 238, 0.035);
}

.method-stack article {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 10px;
  padding: 20px;
}

.method-stack article p {
  grid-column: 2;
}

.method-number {
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  font-weight: 800;
}

.method-stack p,
.risk-grid p,
.capability-list p,
.workflow-rail p,
.use-case-grid p,
.demo-copy p:not(.eyebrow),
.demo-summary p,
.governance-layout p:not(.eyebrow),
.governance-grid p,
.compliance-section p:not(.eyebrow),
.verification-copy p:not(.eyebrow),
.section-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}

.workflow-section {
  padding: 112px 0;
  border-top: 1px solid var(--line);
}

.workflow-rail {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.workflow-rail article,
.use-case-grid article,
.governance-grid article {
  min-height: 190px;
  padding: 20px;
}

.workflow-rail span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  font-weight: 900;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(520px, 1.28fr);
  gap: clamp(30px, 6vw, 70px);
  align-items: start;
  padding: 112px 0;
}

.demo-copy {
  position: sticky;
  top: 104px;
}

.demo-console {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.demo-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.demo-tabs button {
  min-width: 0;
  min-height: 54px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 800;
}

.demo-tabs button:last-child {
  border-right: 0;
}

.demo-tabs button[aria-pressed="true"] {
  background: rgba(20, 214, 214, 0.12);
  color: var(--cyan);
}

.demo-output {
  display: grid;
  gap: 22px;
  padding: 28px;
}

.demo-summary span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.demo-summary h3 {
  max-width: 720px;
  margin-bottom: 10px;
  font-size: clamp(1.35rem, 2.5vw, 2.25rem);
  line-height: 1.1;
}

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.demo-metrics article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 9, 9, 0.28);
}

.demo-metrics span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
}

.demo-metrics strong {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 1.35rem;
}

.demo-status {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.demo-status div {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  font-weight: 900;
}

.demo-status .is-active {
  border-color: rgba(43, 212, 127, 0.45);
  color: var(--green);
}

.demo-status .is-warning {
  border-color: rgba(241, 184, 75, 0.6);
  color: var(--amber);
}

.demo-log {
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(237, 242, 238, 0.035) 1px, transparent 1px),
    rgba(8, 9, 9, 0.25);
  background-size: 100% 28px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
}

.demo-log p {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  color: #d6dfd8;
}

.demo-log span {
  color: var(--muted);
  white-space: nowrap;
}

.verification-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}

.score-panel {
  display: grid;
  gap: 18px;
  align-content: center;
  min-height: 420px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.score-row {
  display: grid;
  gap: 10px;
}

.score-row div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.score-row strong {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
}

.score-row i {
  position: relative;
  display: block;
  overflow: hidden;
  height: 9px;
  border-radius: 999px;
  background: rgba(237, 242, 238, 0.09);
}

.score-row i::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--score, 0) * 1%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  content: "";
}

.risk-section,
.platform-section {
  padding: 112px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 860px;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.risk-grid article {
  min-height: 190px;
  padding: 22px;
}

.risk-grid article:nth-child(1) {
  border-top-color: rgba(20, 214, 214, 0.55);
}

.risk-grid article:nth-child(2) {
  border-top-color: rgba(43, 212, 127, 0.55);
}

.risk-grid article:nth-child(3) {
  border-top-color: rgba(241, 184, 75, 0.6);
}

.risk-grid article:nth-child(4) {
  border-top-color: rgba(239, 107, 98, 0.58);
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.capability-list article {
  min-height: 230px;
  padding: 18px;
}

.capability-list span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.8rem;
  font-weight: 900;
}

.governance-section {
  padding: 112px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}

.governance-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(460px, 1.15fr);
  gap: clamp(30px, 6vw, 72px);
}

.governance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.governance-grid article:nth-child(1) {
  border-top-color: rgba(20, 214, 214, 0.55);
}

.governance-grid article:nth-child(2) {
  border-top-color: rgba(43, 212, 127, 0.55);
}

.governance-grid article:nth-child(3) {
  border-top-color: rgba(241, 184, 75, 0.6);
}

.governance-grid article:nth-child(4) {
  border-top-color: rgba(239, 107, 98, 0.58);
}

.compliance-section {
  padding: 86px 0;
}

.compliance-section h2 {
  max-width: 860px;
  font-size: clamp(1.8rem, 3.4vw, 3.3rem);
}

.compliance-section p:last-child {
  max-width: 930px;
}

.cta-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #11130f;
}

.cta-inner {
  justify-content: space-between;
  gap: 30px;
  padding: 58px 0;
}

.cta-inner h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(1.7rem, 3vw, 3rem);
}

.site-footer {
  padding: 28px 0;
}

.footer-inner {
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner p {
  margin-bottom: 0;
}

.not-found {
  display: grid;
  align-content: center;
  min-height: 100vh;
  padding: 72px 0;
}

.not-found h1 {
  margin-bottom: 16px;
}

.not-found p:not(.eyebrow) {
  max-width: 560px;
  margin-bottom: 28px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-header {
    min-height: 66px;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .split-section,
  .verification-layout,
  .demo-section,
  .governance-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .risk-grid,
  .capability-list,
  .workflow-rail,
  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .section-shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    padding: 0 14px;
  }

  .brand span:last-child {
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-action {
    display: none;
  }

  .header-tools {
    gap: 8px;
  }

  .language-switch a {
    min-width: 42px;
    min-height: 32px;
    padding: 0 8px;
    font-size: 0.76rem;
  }

  h1 {
    font-size: 3rem;
  }

  .hero {
    gap: 32px;
    padding-bottom: 50px;
  }

  .hero-console {
    margin-inline: -6px;
  }

  .console-top,
  .cta-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .sample-strip {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .mini-chart {
    height: 56px;
  }

  .signal-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .signal-grid article:last-child {
    border-bottom: 0;
  }

  .flow-step {
    width: 74px;
    font-size: 0.68rem;
  }

  .step-two {
    left: 20%;
  }

  .step-three {
    left: 39%;
  }

  .step-four {
    right: 15%;
  }

  .split-section,
  .verification-layout,
  .risk-section,
  .platform-section,
  .workflow-section,
  .demo-section,
  .governance-section {
    padding: 74px 0;
  }

  .method-stack article {
    grid-template-columns: 1fr;
  }

  .method-stack article p {
    grid-column: auto;
  }

  .score-panel {
    min-height: auto;
    padding: 20px;
  }

  .risk-grid,
  .capability-list,
  .workflow-rail,
  .use-case-grid,
  .governance-grid,
  .demo-tabs,
  .demo-metrics,
  .demo-status {
    grid-template-columns: 1fr;
  }

  .risk-grid article,
  .capability-list article,
  .workflow-rail article,
  .use-case-grid article,
  .governance-grid article {
    min-height: auto;
  }

  .demo-tabs button {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .demo-tabs button:last-child {
    border-bottom: 0;
  }

  .demo-output {
    padding: 20px;
  }

  .demo-log p {
    flex-direction: column;
    gap: 2px;
  }

  .compliance-section {
    padding: 62px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}