:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #1B1F27;
  background: #FBF7F0;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --ink: #1B1F27;
  --ink-dim: #4A4F5C;
  --muted: #8A7F6E;
  --paper: #FBF7F0;
  --surface: #FFFFFF;
  --surface-2: #F3ECDD;
  --line: #E4D9C4;
  --accent: #B8722A;
  --accent-strong: #9A5E1F;
  --lane-a: #486D8E;
  --good: #3F7A5B;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  letter-spacing: -0.005em;
}

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

.skip-link {
  position: absolute;
  z-index: 10;
  top: 1rem;
  left: -9999px;
  padding: 0.7rem 1rem;
  background: var(--surface);
}

.skip-link:focus {
  left: 1rem;
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 56px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  height: 74px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
}

.brand-logo {
  display: block;
  width: 130px;
  height: 26px;
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 12px;
}

.nav-link {
  color: var(--ink-dim);
}

.nav-link:hover,
.text-link:hover {
  color: var(--accent-strong);
}

.button {
  display: inline-flex;
  min-height: 43px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 17px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-quiet {
  min-height: 36px;
  padding-inline: 13px;
  border-color: var(--line);
  background: var(--surface);
}

.button-quiet:hover,
.button-outline:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.button-primary {
  background: var(--accent);
  color: white;
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-outline {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 68px;
  padding: 62px 0 54px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--accent-strong);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.eyebrow-dot,
.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

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

h1,
h2,
h3 {
  font-family: Inter, system-ui, sans-serif;
}

.hero h1 {
  max-width: 590px;
  margin: 0 0 14px;
  font-size: clamp(38px, 4.6vw, 55px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.09;
}

.hero h1 span {
  color: var(--accent-strong);
}

.hero-sub {
  max-width: 510px;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.hero-lede {
  max-width: 510px;
  margin-bottom: 21px;
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.access-note {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.access-note span {
  color: var(--accent);
  font-size: 13px;
}

.decision-card {
  position: relative;
  padding: 21px 22px 0;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 16px 36px #5A44200D;
}

.decision-card::before {
  position: absolute;
  z-index: -1;
  top: 9px;
  right: -8px;
  width: 76%;
  height: 100%;
  border: 1px solid var(--line);
  background: var(--surface-2);
  content: "";
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid #F0E9DE;
}

.card-label,
.card-id,
.card-footer > span {
  font-family: "JetBrains Mono", monospace;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.card-label {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--accent-strong);
}

.card-id {
  color: var(--muted);
}

.decision-card h2 {
  margin: 18px 0 4px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.card-subtitle {
  margin-bottom: 15px;
  color: var(--muted);
  font-size: 11px;
}

.scenario-row {
  display: flex;
  min-height: 57px;
  align-items: center;
  gap: 11px;
  border-top: 1px solid #F0E9DE;
}

.scenario-icon {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
  background: #EEF3F6;
  color: var(--lane-a);
  font-size: 16px;
}

.scenario-icon.debate {
  background: #FBF1E5;
  color: var(--accent-strong);
}

.scenario-icon.proof {
  background: #EDF3ED;
  color: var(--good);
}

.scenario-row div {
  display: grid;
  gap: 3px;
}

.scenario-row strong {
  font-size: 11px;
  font-weight: 600;
}

.scenario-row small {
  color: var(--muted);
  font-size: 9px;
}

.card-footer {
  display: grid;
  gap: 7px;
  margin: 7px -22px 0;
  padding: 14px 22px 16px;
  background: var(--surface-2);
}

.card-footer > span {
  color: var(--muted);
}

.flow-map {
  display: block;
  width: 100%;
  height: auto;
  margin: 2px 0 10px;
  overflow: visible;
}

.flow-dash use {
  animation: flow-dash 1.1s linear infinite;
}

.flow-lane-fast {
  stroke-dasharray: 6 4;
  animation: flow-dash 0.6s linear infinite;
}

.flow-lane-deep {
  stroke-dasharray: 2 6;
  animation: flow-dash 2.4s linear infinite;
}

.hub-pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: hub-pulse 2.8s ease-out infinite;
}

.hub-orbit {
  transform-box: fill-box;
  transform-origin: center;
  animation: hub-spin 14s linear infinite;
}

.speed-lines line {
  animation: speed 0.9s ease-in-out infinite;
}

.speed-lines line:nth-child(2) {
  animation-delay: 0.15s;
}

.speed-lines line:nth-child(3) {
  animation-delay: 0.3s;
}

.depth-ticks rect {
  transform-box: fill-box;
  transform-origin: bottom;
  animation: tick 2.4s ease-in-out infinite;
}

.depth-ticks rect:nth-child(2) { animation-delay: 0.2s; }
.depth-ticks rect:nth-child(3) { animation-delay: 0.4s; }
.depth-ticks rect:nth-child(4) { animation-delay: 0.6s; }

.record-line {
  transform-box: fill-box;
  transform-origin: left;
  animation: write 3.2s ease-in-out infinite;
}

.record-line + .record-line { animation-delay: 0.25s; }
.record-line + .record-line + .record-line { animation-delay: 0.5s; }

.flow-legend {
  display: flex;
  gap: 16px;
  padding: 11px 0 13px;
  border-top: 1px solid #F0E9DE;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.flow-legend i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.flow-legend .dot-a { background: var(--lane-a); }
.flow-legend .dot-b { background: var(--accent); }
.flow-legend .dot-c { background: var(--good); }

.capability-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.cap-art {
  width: 104px;
  height: 38px;
  overflow: visible;
}

.cap-dash {
  animation: flow-dash 1.2s linear infinite;
}

.cap-pick {
  transform-box: fill-box;
  transform-origin: center;
  animation: hub-pulse-soft 2.2s ease-in-out infinite;
}

.cap-top {
  animation: lift 3s ease-in-out infinite;
}

.capability {
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.capability:hover {
  border-color: #D8C6A4;
  transform: translateY(-2px);
}

@keyframes flow-dash {
  to { stroke-dashoffset: -20; }
}

@keyframes hub-pulse {
  0% { opacity: 0.9; transform: scale(0.82); }
  100% { opacity: 0; transform: scale(1.35); }
}

@keyframes hub-pulse-soft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.35); }
}

@keyframes hub-spin {
  to { transform: rotate(360deg); }
}

@keyframes speed {
  0%, 100% { opacity: 0.25; transform: translateX(-4px); }
  50% { opacity: 1; transform: translateX(4px); }
}

@keyframes tick {
  0%, 100% { transform: scaleY(0.6); }
  50% { transform: scaleY(1); }
}

@keyframes write {
  0% { transform: scaleX(0); }
  40%, 100% { transform: scaleX(1); }
}

@keyframes lift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-2px, -2px); }
}

.card-footer strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
}

.card-footer strong span {
  float: right;
  color: var(--accent-strong);
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 16px 19px;
  border-block: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 10px;
  font-weight: 500;
}

.signal-strip i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.capabilities {
  padding: 64px 0 60px;
}

.section-heading {
  max-width: 640px;
}

.section-heading h2,
.workflow h2,
.closing h2 {
  margin: 12px 0 9px;
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.2;
}

.section-heading > p:last-child,
.workflow-intro > p:not(.eyebrow) {
  color: var(--ink-dim);
  font-size: 12px;
  line-height: 1.65;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
  margin-top: 26px;
}

.capability {
  min-height: 183px;
  padding: 19px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.capability-number {
  color: var(--accent-strong);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
}

.capability h3 {
  margin: 19px 0 7px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.capability p {
  min-height: 48px;
  margin-bottom: 14px;
  color: var(--ink-dim);
  font-size: 10px;
  line-height: 1.6;
}

.capability-tag {
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.workflow {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  padding: 42px 0 54px;
  border-top: 1px solid var(--line);
}

.workflow-intro h2 {
  max-width: 330px;
}

.workflow-intro > p:not(.eyebrow) {
  max-width: 310px;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 7px;
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 600;
}

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

.workflow-steps li {
  display: grid;
  grid-template-columns: 35px 1fr;
  gap: 9px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.workflow-steps li:first-child {
  padding-top: 0;
}

.workflow-steps li > span {
  color: var(--accent-strong);
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
}

.workflow-steps strong {
  font-size: 11px;
  font-weight: 600;
}

.workflow-steps p {
  margin: 4px 0 0;
  color: var(--ink-dim);
  font-size: 10px;
  line-height: 1.5;
}

.closing {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  margin-bottom: 42px;
  padding: 25px 29px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.closing h2 {
  max-width: 540px;
  margin-bottom: 0;
  font-size: clamp(22px, 2.7vw, 29px);
}

.closing .button {
  flex: 0 0 auto;
}

.site-footer {
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
}

.site-footer .brand-logo {
  width: 112px;
  height: 22px;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
}

@media (max-width: 760px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 36px, 560px);
  }

  .site-header {
    height: 68px;
  }

  nav {
    gap: 13px;
  }

  nav .nav-link {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 39px;
  }

  .hero h1 {
    max-width: 550px;
  }

  .decision-card {
    width: min(100% - 8px, 490px);
  }

  .signal-strip {
    justify-content: flex-start;
    column-gap: 12px;
    padding-inline: 0;
  }

  .signal-strip i {
    margin-inline: 1px;
  }

  .capabilities {
    padding: 48px 0 42px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .capability {
    min-height: 0;
  }

  .capability h3 {
    margin-top: 12px;
  }

  .capability p {
    min-height: 0;
  }

  .workflow {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 34px;
  }

  .closing {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 32px;
    padding: 22px;
  }
}

@media (max-width: 420px) {
  .site-header,
  main,
  .site-footer {
    width: calc(100% - 30px);
  }

  .brand-logo {
    width: 116px;
    height: 23px;
  }

  .button {
    padding-inline: 13px;
  }

  .hero h1 {
    font-size: 37px;
  }

  .decision-card {
    padding-inline: 16px;
  }

  .card-footer {
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .scenario-row {
    gap: 8px;
  }

  .scenario-row small {
    font-size: 8px;
  }

  .signal-strip {
    font-size: 9px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 15px 0;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation: none !important;
  }

  .flow-packets {
    display: none;
  }
}