:root {
  --bg: #06111b;
  --bg-2: #081722;
  --panel: #0d1c29;
  --panel-2: #102434;
  --line: rgba(255, 255, 255, 0.11);
  --line-soft: rgba(255, 255, 255, 0.06);
  --ink: #eaf3fb;
  --ink-2: #a6b8c8;
  --ink-3: #718496;
  --green: #2fd98a;
  --green-dark: #1f9d63;
  --blue: #5aa9ff;
  --purple: #a78bfa;
  --amber: #f3c44d;
  --orange: #fb8a3c;
  --red: #ef5d5d;
  --maxw: 1180px;
  --font: "Inter", "Space Grotesk", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: var(--mono);
  color: #c9b8ff;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    linear-gradient(180deg, rgba(47, 217, 138, 0.08), transparent 34rem);
  background-size: 64px 64px, 64px 64px, auto;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.82) 55%, transparent 100%);
}

.wrap {
  width: min(100% - 48px, var(--maxw));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  transition: background 180ms ease, border-color 180ms ease;
}

.nav.scrolled {
  background: rgba(6, 17, 27, 0.86);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(16px);
}

.nav-inner {
  width: min(100% - 48px, var(--maxw));
  margin: 0 auto;
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand img {
  display: block;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--ink-2);
  font-size: 14px;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--green);
}

.nav-app {
  margin-left: auto;
  padding: 9px 14px;
  border: 1px solid rgba(47, 217, 138, 0.38);
  border-radius: 8px;
  color: var(--green);
  font-size: 14px;
  font-weight: 650;
  background: rgba(47, 217, 138, 0.08);
}

.hero {
  min-height: 860px;
  padding: 158px 0 92px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--green);
}

.hero h1,
.story-head h2,
.proof h2,
.contact h2 {
  margin: 18px 0 0;
  max-width: 11ch;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero h1 strong {
  display: block;
  color: var(--green);
  font-weight: 760;
}

.lead,
.proof p,
.contact p {
  margin: 26px 0 0;
  max-width: 620px;
  color: var(--ink-2);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.66;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 19px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: var(--green);
  color: #03140b;
}

.button.secondary {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.025);
}

.button.secondary:hover {
  border-color: rgba(47, 217, 138, 0.55);
  color: var(--green);
}

.hero-points {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 12px;
}

.hero-points span {
  padding: 6px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.engine-card,
.terminal,
.system-extract,
.bt-view,
.portfolio-view,
.matrix-panel,
.proof,
.contact {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 36, 52, 0.94), rgba(8, 23, 34, 0.96));
  border-radius: 8px;
  box-shadow: 0 42px 90px -60px rgba(0, 0, 0, 0.9);
}

.engine-card {
  padding: 22px;
}

.panel-head,
.extract-title,
.chart-head,
.certificate-head,
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.panel-head b,
.certificate-head b {
  color: var(--green);
  font-size: 11px;
  border: 1px solid rgba(47, 217, 138, 0.36);
  border-radius: 7px;
  padding: 4px 8px;
  background: rgba(47, 217, 138, 0.08);
}

.prompt-shell {
  min-height: 52px;
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #06111b;
  border: 1px solid var(--line-soft);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 13px;
}

.prompt-caret {
  color: var(--green);
  font-weight: 800;
  margin-right: 8px;
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  margin-left: 2px;
  vertical-align: -2px;
  background: var(--green);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.compile-line {
  margin: 16px 0 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.compile-line::before,
.compile-line::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line-soft);
}

.mini-graph {
  position: relative;
  height: 260px;
  margin-top: 12px;
}

.mini-graph svg,
.extract-graph svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.graph-node,
.story-node {
  position: absolute;
  transform: translate(-50%, -50%);
  min-width: 112px;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  white-space: nowrap;
}

.graph-node small,
.story-node small {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-3);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.source { border-color: rgba(166, 184, 200, 0.38); }
.transform,
.op { border-color: rgba(167, 139, 250, 0.55); color: #d4c6ff; }
.rule { border-color: rgba(47, 217, 138, 0.55); color: #9be9c4; }
.order { border-color: rgba(251, 138, 60, 0.58); color: #ffc193; }

.edge {
  fill: none;
  stroke: rgba(255, 255, 255, 0.19);
  stroke-width: 1.5;
}

.engine-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.engine-metrics span,
.engine-metrics strong {
  min-height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 11px;
  text-align: center;
}

.engine-metrics strong {
  color: var(--green);
  font-weight: 700;
}

.story {
  position: relative;
  z-index: 1;
  border-block: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(8, 23, 34, 0.42), rgba(6, 17, 27, 0.96));
}

.story-track {
  height: 440vh;
}

.story-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: 720px;
  overflow: hidden;
}

.story-head {
  position: absolute;
  inset: 86px 0 auto;
  z-index: 4;
  text-align: center;
}

.story-head .eyebrow {
  justify-content: center;
}

.story-head h2 {
  max-width: none;
  margin-inline: auto;
  font-size: clamp(30px, 4vw, 52px);
}

.story-head p {
  margin: 14px auto 0;
  max-width: 46ch;
  color: var(--ink-2);
}

.story-rail {
  position: absolute;
  left: max(22px, calc((100vw - var(--maxw)) / 2));
  top: 50%;
  z-index: 5;
  transform: translateY(-50%);
  display: grid;
  gap: 18px;
}

.story-rail span {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.story-rail span::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg-2);
}

.story-rail span.active {
  color: var(--ink);
}

.story-rail span.active::before,
.story-rail span.done::before {
  border-color: var(--green);
  background: var(--green);
}

.story-canvas {
  height: 100%;
}

.act {
  position: absolute;
  inset: 238px 0 auto;
  margin-inline: auto;
  width: min(940px, 84vw);
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  pointer-events: none;
  transition: opacity 240ms ease, transform 240ms ease;
}

.act.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.terminal {
  max-width: 720px;
  margin: 36px auto 0;
  padding: 22px;
}

.terminal-bar {
  justify-content: flex-start;
}

.terminal-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.terminal-bar b {
  margin-left: auto;
  color: var(--ink-3);
  font-weight: 500;
}

.terminal p {
  min-height: 88px;
  margin: 22px 0 0;
  display: flex;
  gap: 12px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: clamp(17px, 2vw, 22px);
}

.terminal p span {
  color: var(--green);
}

.terminal-status {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  color: var(--green);
  font-family: var(--mono);
  font-size: 13px;
}

.system-extract {
  overflow: hidden;
}

.extract-title {
  min-height: 54px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line-soft);
}

.extract-title b {
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
}

.extract-graph {
  position: relative;
  height: 420px;
  background:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.055) 1px, transparent 0) 0 0 / 28px 28px,
    var(--bg-2);
}

.bt-view {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.65fr);
  gap: 16px;
  padding: 18px;
}

.bt-chart {
  min-width: 0;
}

.chart-head {
  margin-bottom: 10px;
}

.chart-head b {
  color: var(--green);
}

.bt-chart svg {
  width: 100%;
  height: 230px;
  display: block;
  background: #06111b;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
}

.bt-metrics {
  display: grid;
  gap: 10px;
}

.bt-metrics div {
  min-height: 74px;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.bt-metrics span,
.certificate dt,
.portfolio-list span {
  display: block;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
}

.bt-metrics b {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 25px;
  letter-spacing: 0;
}

.portfolio-view {
  display: grid;
  grid-template-columns: minmax(230px, 0.52fr) minmax(0, 1.48fr);
  gap: 16px;
  padding: 18px;
}

.portfolio-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.portfolio-list div {
  min-height: 68px;
  padding: 13px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.portfolio-list b {
  display: block;
  font-size: 14px;
}

.portfolio-picker-title {
  min-height: 38px !important;
  display: flex;
  align-items: center;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.matrix-panel {
  box-shadow: none;
  padding: 0;
  overflow: hidden;
}

.matrix-head {
  min-height: 68px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.matrix-head b {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.matrix-head span,
.matrix-metrics span,
.certificate-strip span {
  display: block;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
}

.matrix-legend {
  display: flex;
  gap: 10px;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
}

.matrix-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.matrix-legend i {
  width: 20px;
  height: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 2px;
}

.matrix-legend .low {
  background: rgba(50, 164, 120, 0.7);
}

.matrix-legend .high {
  background: rgba(224, 83, 83, 0.7);
}

.matrix-metrics {
  padding: 14px 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.matrix-metrics div {
  min-height: 62px;
  padding: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.022);
}

.matrix-metrics b {
  display: block;
  margin-top: 5px;
  color: var(--green);
  font-size: 22px;
  font-weight: 760;
}

.heatmap-wrap {
  min-width: 0;
  padding: 0 16px 16px;
  overflow: auto;
}

.heatmap {
  min-width: 560px;
  display: grid;
  grid-template-columns: 92px repeat(4, minmax(72px, 1fr));
  gap: 3px;
}

.heatmap-corner,
.heatmap-label,
.heatmap-cell {
  min-width: 0;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: 1px solid rgba(161, 161, 170, 0.16);
  border-radius: 4px;
  font-size: 11px;
}

.heatmap-label {
  justify-content: flex-start;
  overflow: hidden;
  color: #d4d4d8;
  background: rgba(255, 255, 255, 0.04);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.heatmap-label:not(.row) {
  justify-content: center;
}

.heatmap-cell {
  color: #fafafa;
  font-weight: 780;
}

.low-cell {
  background: rgba(50, 164, 120, 0.72);
}

.mid-cell {
  background: rgba(74, 138, 127, 0.62);
}

.warn-cell {
  background: rgba(174, 129, 76, 0.72);
}

.high-cell {
  background: rgba(224, 83, 83, 0.78);
}

.certificate-strip {
  min-height: 46px;
  margin: 0 16px 16px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(47, 217, 138, 0.28);
  border-radius: 8px;
  background: rgba(47, 217, 138, 0.07);
}

.certificate-strip b {
  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
}

.certificate-strip em {
  color: var(--ink-2);
  font-style: normal;
  font-family: var(--mono);
  font-size: 11px;
  text-align: right;
}

.proof,
.contact {
  margin-block: 86px;
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 40px;
  align-items: start;
}

.proof h2,
.contact h2 {
  max-width: 13ch;
  font-size: clamp(34px, 4.6vw, 58px);
}

.proof-list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.proof-list li {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.02);
}

.proof-list b {
  color: var(--ink);
}

.contact {
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
}

.contact p {
  max-width: 48ch;
}

.contact-actions {
  margin-top: 0;
  justify-content: flex-end;
}

.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-3);
}

.footer-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.footer-links {
  display: flex;
  gap: 18px;
  margin-left: auto;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-top: 132px;
    grid-template-columns: 1fr;
  }

  .engine-card {
    max-width: 720px;
  }

  .story-stage {
    min-height: 760px;
  }

  .story-rail {
    display: none;
  }

  .act {
    width: min(100% - 36px, 900px);
  }

  .bt-view,
  .portfolio-view,
  .proof,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .wrap,
  .nav-inner {
    width: min(100% - 28px, var(--maxw));
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 112px;
    gap: 34px;
  }

  .hero h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  .engine-card {
    padding: 16px;
  }

  .mini-graph {
    height: 300px;
  }

  .graph-node {
    min-width: 96px;
    padding: 8px 9px;
    font-size: 10px;
  }

  .engine-metrics,
  .matrix-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .story-track {
    height: auto;
  }

  .story-stage {
    position: static;
    height: auto;
    min-height: 0;
    padding: 70px 0;
  }

  .story-head {
    position: relative;
    inset: auto;
  }

  .story-canvas {
    height: auto;
    display: grid;
    gap: 22px;
    margin-top: 32px;
  }

  .act {
    position: relative;
    inset: auto;
    width: 100%;
    opacity: 1;
    transform: none;
  }

  .extract-graph {
    height: 420px;
    overflow: hidden;
  }

  .story-node {
    min-width: 92px;
    padding: 8px;
    font-size: 10px;
  }

  .bt-chart svg {
    height: 180px;
  }

  .certificate-strip {
    grid-template-columns: 1fr;
  }

  .matrix-head,
  .matrix-legend {
    align-items: flex-start;
    flex-direction: column;
  }

  .certificate-strip em {
    text-align: left;
  }

  .footer-inner {
    padding: 22px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    margin-left: 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}