:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #101722;
  --panel-strong: #151f2d;
  --text: #f5f8fc;
  --muted: #9facbd;
  --line: rgba(255, 255, 255, 0.12);
  --cyan: #4cc9f0;
  --steel: #93a4b8;
  --green: #7bf1a8;
  --red: #ff6b7d;
  --amber: #ffd166;
  --violet: #a78bfa;
  --shadow: rgba(0, 0, 0, 0.44);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 20% 0%, rgba(76, 201, 240, 0.16), transparent 340px),
    linear-gradient(180deg, rgba(147, 164, 184, 0.08), transparent 520px),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

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

.site-top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 15, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(76, 201, 240, 0.6);
  background: rgba(76, 201, 240, 0.14);
  color: var(--cyan);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.site-top nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  color: #dce9f7;
  font-size: 14px;
}

.site-top nav a {
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
}

.site-top nav a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

main {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 70px;
}

.hero,
.module-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  gap: 26px;
  align-items: stretch;
  min-height: 520px;
}

.hero-copy,
.hero-visual,
.pipeline-section,
.modules-section,
.boundary-section,
.module-hero,
.module-visual,
.analysis-panel,
.flow-panel,
.source-panel {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.014)),
    var(--panel);
  box-shadow: 0 24px 80px var(--shadow);
}

.hero-copy,
.module-hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 5vw, 58px);
}

.eyebrow,
.boundary-label {
  color: var(--green);
  font: 700 12px/1.4 Consolas, "SFMono-Regular", monospace;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: 48px;
  line-height: 1.05;
}

h2 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.2;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lead {
  max-width: 730px;
  color: #d6e2f0;
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  font-weight: 700;
}

.primary-action {
  background: var(--cyan);
  color: #051018;
  border-color: var(--cyan);
}

.secondary-action {
  background: rgba(255, 255, 255, 0.05);
}

.hero-visual,
.module-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
}

#future-canvas,
.module-canvas {
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: block;
}

.module-canvas {
  min-height: 430px;
}

.module-visual {
  min-height: 430px;
}

.visual-caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 12px/1.4 Consolas, "SFMono-Regular", monospace;
}

.visual-caption strong {
  color: var(--text);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.section-head span {
  color: var(--cyan);
  font: 700 13px/1 Consolas, "SFMono-Regular", monospace;
}

.pipeline-section,
.modules-section,
.boundary-section {
  margin-top: 26px;
  padding: 24px;
}

.pipeline-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pipeline-strip li {
  min-height: 86px;
  padding: 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(76, 201, 240, 0.07);
  color: #d9e8f6;
  font-weight: 700;
}

.module-grid,
.core-grid,
.mapping-grid {
  display: grid;
  gap: 14px;
}

.module-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-card,
.core-card,
.mapping-card,
.risk-card,
.concept-chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.module-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 18px;
}

.stage,
.module-stage {
  color: var(--amber);
  font: 700 12px/1.4 Consolas, "SFMono-Regular", monospace;
}

.module-card p,
.mapping-card p,
.core-card p,
.risk-card,
.concept-chip {
  color: var(--muted);
  line-height: 1.55;
}

.module-card a {
  margin-top: auto;
  color: var(--cyan);
  font-weight: 800;
}

.boundary-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
  gap: 28px;
  align-items: center;
  border-color: rgba(255, 209, 102, 0.4);
}

.boundary-section p {
  margin-bottom: 0;
  color: #e4d6b8;
  line-height: 1.7;
}

.module-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
}

.module-meta code {
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
  color: #c7e8ff;
  white-space: normal;
}

.page-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-links a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  color: #c7e8ff;
}

.analysis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 26px;
  margin-top: 26px;
}

.analysis-panel,
.flow-panel,
.source-panel {
  padding: 24px;
}

.core-grid,
.risk-grid {
  grid-template-columns: 1fr;
}

.core-card,
.mapping-card {
  padding: 16px;
}

.kind {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--green);
  font: 700 12px/1 Consolas, "SFMono-Regular", monospace;
  text-transform: uppercase;
}

.line-ref {
  color: var(--amber);
  font: 700 12px/1 Consolas, "SFMono-Regular", monospace;
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 50px;
  border-bottom: 1px solid var(--line);
  color: #dce8f7;
}

.flow-list li:last-child {
  border-bottom: 0;
}

.flow-list span {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(76, 201, 240, 0.5);
  color: var(--cyan);
  font: 700 12px/1 Consolas, "SFMono-Regular", monospace;
}

.risk-grid,
.concept-list {
  display: grid;
  gap: 10px;
}

.risk-card {
  padding: 14px;
  border-left: 2px solid var(--red);
}

.concept-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.concept-chip {
  padding: 10px 12px;
  color: #d8f7e9;
}

.mapping-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mapping-card strong,
.core-card strong {
  display: block;
  margin-bottom: 8px;
}

.cv-defense {
  margin-top: 26px;
  padding: 24px;
  border: 1px solid rgba(123, 241, 168, 0.38);
  background: rgba(123, 241, 168, 0.07);
  color: #dffced;
  line-height: 1.7;
}

.defend-window {
  margin-top: 26px;
  padding: 24px;
  border: 1px solid rgba(255, 209, 102, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 209, 102, 0.075), rgba(123, 241, 168, 0.035)),
    var(--panel);
  box-shadow: 0 24px 80px var(--shadow);
}

.hdi-grid,
.concept-defense-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hdi-card,
.concept-defense-card,
.defend-script {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.hdi-card {
  min-height: 152px;
  padding: 16px;
}

.hdi-card span {
  color: var(--amber);
  font: 800 12px/1.2 Consolas, "SFMono-Regular", monospace;
  text-transform: uppercase;
}

.hdi-card p,
.defend-script p,
.concept-defense-card p {
  color: #dbe8f5;
  line-height: 1.65;
}

.defend-script,
.concept-defense-block {
  margin-top: 18px;
}

.defend-script {
  padding: 18px;
}

.defend-script h3,
.concept-defense-block h3 {
  margin-bottom: 12px;
  color: #fff2bf;
}

.concept-defense-card {
  min-height: 168px;
  padding: 16px;
}

.concept-defense-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
}

.source-panel {
  margin-top: 26px;
}

.source-note {
  max-width: 900px;
  color: var(--muted);
  line-height: 1.65;
}

.source-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 12px;
}

.source-toolbar span {
  border: 1px solid rgba(255, 209, 102, 0.4);
  background: rgba(255, 209, 102, 0.08);
  color: #ffe6a6;
  padding: 7px 10px;
  font: 800 12px/1 Consolas, "SFMono-Regular", monospace;
  text-transform: uppercase;
}

.code-window {
  overflow: hidden;
  border: 1px solid rgba(76, 201, 240, 0.24);
  background: #070a0f;
}

.code-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(90deg, rgba(76, 201, 240, 0.09), transparent 46%),
    #101722;
  padding: 0 14px;
}

.code-titlebar strong {
  color: #e7f7ff;
  font: 800 12px/1 Consolas, "SFMono-Regular", monospace;
}

.window-dots {
  display: inline-flex;
  gap: 6px;
}

.window-dots i {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--red);
}

.window-dots i:nth-child(2) {
  background: var(--amber);
}

.window-dots i:nth-child(3) {
  background: var(--green);
}

.source-code-lines {
  display: grid;
  max-height: 680px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 14px 0;
  color: #edfaff;
  font: 13px/1.65 Consolas, "SFMono-Regular", monospace;
}

.source-line {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 0 18px 0 0;
}

.source-line:hover {
  background: rgba(76, 201, 240, 0.055);
}

.line-no {
  user-select: none;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(159, 172, 189, 0.58);
  padding-right: 12px;
  text-align: right;
}

.line-text {
  display: block;
  min-width: 0;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  font: inherit;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.source-loading {
  padding: 0 18px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero,
  .module-layout,
  .analysis-grid,
  .boundary-section,
  .mapping-grid,
  .hdi-grid,
  .concept-defense-grid {
    grid-template-columns: 1fr;
  }

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

  .pipeline-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  h1 {
    font-size: 38px;
  }
}

@media (max-width: 680px) {
  .site-top {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-top nav {
    justify-content: flex-start;
  }

  main {
    width: min(100% - 24px, 1440px);
    padding-top: 18px;
  }

  .pipeline-strip,
  .concept-list {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 30px;
  }
}