:root {
  color-scheme: dark;
  --bg: #080c10;
  --surface: #10161c;
  --surface-2: #141c24;
  --line: #2a3742;
  --ink: #edf3f7;
  --muted: #91a2b1;
  --feed: #55b8ff;
  --signal: #f3c653;
  --decision: #52d28b;
  --execution: #ff735f;
  --guard: #d77cff;
  --focus: #ffffff;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(117, 141, 160, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 141, 160, .045) 1px, transparent 1px);
  background-size: 42px 42px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button, a { font: inherit; }
button { color: inherit; }
.app-shell { width: min(1480px, calc(100% - 36px)); margin: 0 auto; padding: 42px 0 30px; }
.hero { display: flex; justify-content: space-between; align-items: flex-start; gap: 36px; padding: 0 2px 30px; }
.hero-copy-block { min-width: 0; }
.eyebrow, .stage-kicker { margin: 0 0 11px; color: var(--decision); font: 750 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; }
.signal-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--decision); box-shadow: 0 0 15px var(--decision); animation: blink 1.6s ease-in-out infinite; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 16px; font: 720 58px/1.01 Georgia, "Times New Roman", serif; letter-spacing: 0; }
h1 em { color: #a8dfff; font-weight: 400; }
.hero-copy { max-width: 760px; margin-bottom: 0; color: #b1bec8; font-size: 17px; line-height: 1.55; }
.hero-tools { display: flex; min-width: 245px; flex-direction: column; align-items: flex-end; gap: 10px; }
.whaler-mark { width: 132px; height: 72px; object-fit: contain; object-position: right center; }
.contract-badge { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: #9fb0be; background: rgba(8, 12, 16, .84); font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.mode-switch { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(8, 12, 16, .84); }
.mode-button { border: 0; border-radius: 999px; padding: 8px 13px; color: var(--muted); background: transparent; cursor: pointer; }
.mode-button.is-active { color: var(--ink); background: #25323d; }

.scenario-nav { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; margin-bottom: 10px; }
.scenario { min-height: 54px; border: 1px solid var(--line); border-radius: 6px; padding: 10px 13px; color: #a7b5c0; background: rgba(15, 21, 27, .9); text-align: left; cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.scenario span { margin-right: 8px; color: #667a89; font: 700 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.scenario:hover, .scenario.is-active { border-color: var(--decision); color: var(--ink); background: #17251f; }
.scenario.is-active span { color: var(--decision); }

.stage-card, .story-card, .protocol-card, .boundaries { border: 1px solid var(--line); border-radius: 6px; background: rgba(14, 20, 26, .96); }
.stage-card { overflow: hidden; }
.stage-topline { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 22px 24px 17px; }
.stage-kicker { margin-bottom: 7px; color: var(--signal); }
.stage-topline h2 { margin: 0; font: 560 34px/1.08 Georgia, "Times New Roman", serif; letter-spacing: 0; }
.route-key { display: flex; max-width: 460px; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px 10px; color: #8495a2; font-size: 11px; }
.key { width: 18px; height: 3px; display: inline-block; border-radius: 2px; }
.key.feed { background: var(--feed); }
.key.signal { background: var(--signal); }
.key.decision { background: var(--decision); }
.key.execution { background: var(--execution); }
.key.guard { background: var(--guard); }

.network-stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(118px, 1fr));
  grid-template-rows: repeat(3, 142px);
  gap: 42px 24px;
  min-height: 590px;
  padding: 38px 32px;
  overflow: hidden;
  isolation: isolate;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-color: #091016;
  background-image:
    linear-gradient(rgba(116, 139, 158, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 139, 158, .08) 1px, transparent 1px);
  background-size: 38px 38px;
}
.routes { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; }
.route { fill: none; stroke-width: 2; opacity: .2; stroke-dasharray: 5 8; }
.route.feed { stroke: var(--feed); }
.route.signal { stroke: var(--signal); }
.route.decision { stroke: var(--decision); }
.route.execution { stroke: var(--execution); }
.route.guard { stroke: var(--guard); }
.route.monitor { stroke: #7f91a0; stroke-width: 1.4; }
.route.is-active { opacity: 1; animation: route-flow .9s linear infinite; }

.node {
  --node-color: var(--feed);
  position: relative;
  z-index: 3;
  align-self: stretch;
  width: 100%;
  min-width: 0;
  border: 1px solid #30404c;
  border-radius: 6px;
  padding: 14px 10px 11px;
  color: var(--ink);
  background: #121a21;
  text-align: left;
  cursor: pointer;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.node::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--node-color); opacity: .65; }
.node:hover, .node:focus-visible, .node.is-focused { outline: none; transform: translateY(-4px); border-color: var(--focus); box-shadow: 0 10px 25px rgba(0, 0, 0, .36); }
.node.is-touched { border-color: var(--node-color); box-shadow: 0 0 0 2px color-mix(in srgb, var(--node-color) 25%, transparent), 0 0 24px color-mix(in srgb, var(--node-color) 20%, transparent); }
.node-status { position: absolute; top: 9px; right: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--node-color); box-shadow: 0 0 9px var(--node-color); }
.node-code { display: grid; place-items: center; width: 36px; height: 31px; margin-bottom: 12px; border: 1px solid color-mix(in srgb, var(--node-color) 55%, #2e3b45); border-radius: 4px; color: var(--node-color); font: 750 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.node-label { display: block; overflow-wrap: anywhere; font-size: 13px; font-weight: 760; }
.node small { display: block; margin-top: 5px; overflow-wrap: anywhere; color: #8093a1; font-size: 9px; line-height: 1.3; }
.node-source { grid-column: 1; grid-row: 1; --node-color: var(--feed); }
.node-feed { grid-column: 2; grid-row: 1; --node-color: var(--feed); }
.node-press { grid-column: 3; grid-row: 1; --node-color: #89d3ff; }
.node-decima { grid-column: 4; grid-row: 1; --node-color: var(--signal); }
.node-director { grid-column: 5; grid-row: 1; --node-color: var(--decision); }
.node-executor { grid-column: 5; grid-row: 2; --node-color: var(--execution); }
.node-bybit { grid-column: 5; grid-row: 3; --node-color: #ff9e6d; }
.node-guard { grid-column: 3; grid-row: 3; --node-color: var(--guard); }
.node-panel { grid-column: 1; grid-row: 3; --node-color: #9fb1bf; }
.packet-layer { position: absolute; inset: 0; z-index: 4; pointer-events: none; }
.packet { position: absolute; width: 10px; height: 10px; margin: -5px; border: 2px solid #081016; border-radius: 50%; background: currentColor; box-shadow: 0 0 13px currentColor; }
.packet.feed { color: var(--feed); }
.packet.signal { color: var(--signal); }
.packet.decision { color: var(--decision); }
.packet.execution { color: var(--execution); }
.packet.guard { color: var(--guard); }
.packet.monitor { color: #a8b8c4; }

.stage-controls { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 18px; }
.icon-button, .play-button, .details-toggle, .term { border: 0; cursor: pointer; }
.icon-button { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; color: #b9c5ce; background: #111820; font-size: 18px; }
.icon-button:hover { border-color: var(--decision); color: var(--decision); }
.play-button { min-height: 38px; border-radius: 999px; padding: 9px 15px; color: #07160e; background: var(--decision); font-size: 12px; font-weight: 800; }
.play-button span { margin-right: 6px; }
.step-pills { display: flex; gap: 6px; align-items: center; }
.step-pill { width: 10px; height: 10px; border: 1px solid #718592; border-radius: 50%; padding: 0; background: transparent; cursor: pointer; }
.step-pill.is-active { border-color: var(--decision); background: var(--decision); box-shadow: 0 0 9px var(--decision); }
.node-inspector { display: grid; grid-template-columns: 170px minmax(220px, 1fr) minmax(300px, 1fr); gap: 14px; align-items: center; min-height: 60px; border-top: 1px solid var(--line); padding: 11px 18px; color: #aab8c3; background: #0b1117; font-size: 12px; }
.node-inspector b { color: var(--ink); }
.node-inspector code { overflow-wrap: anywhere; color: var(--signal); font: 10px/1.35 ui-monospace, SFMono-Regular, Menlo, monospace; }

.explain-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: 10px; margin-top: 10px; }
.story-card, .protocol-card { min-height: 286px; padding: 24px; }
.card-heading { display: flex; align-items: center; gap: 9px; margin-bottom: 20px; color: #8fa0ad; font: 720 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.card-number { display: grid; place-items: center; width: 23px; height: 23px; border: 1px solid var(--signal); border-radius: 50%; color: var(--signal); }
.story-card h3 { margin-bottom: 12px; font: 540 30px/1.08 Georgia, "Times New Roman", serif; letter-spacing: 0; }
.story-card p { max-width: 650px; color: #adbbc5; font-size: 16px; line-height: 1.56; }
.takeaway { margin-top: 20px; border-left: 3px solid var(--decision); padding: 10px 13px; color: #c6e9d4; background: rgba(82, 210, 139, .07); font-size: 12px; line-height: 1.45; }
.protocol-card { background: #0c1319; }
.protocol-lines { min-height: 138px; padding: 5px 0 10px; }
.protocol-line { display: grid; grid-template-columns: 108px 1fr; gap: 11px; border-bottom: 1px solid #22303a; padding: 8px 0; color: #c3d0d9; font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.protocol-line:last-child { border-bottom: 0; }
.protocol-line span { color: var(--signal); }
.protocol-line i { color: #8fa1ae; font-style: normal; }
.details-toggle { display: flex; width: 100%; align-items: center; justify-content: space-between; border-top: 1px solid #26343e; padding: 11px 0 0; color: #afbec8; background: transparent; font-size: 12px; text-align: left; }
.details-toggle span { color: var(--decision); font-size: 18px; }
.technical-details { display: none; margin-top: 12px; border-radius: 4px; padding: 12px; color: #91a4b1; background: #070b0f; font: 11px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.technical-details.is-open { display: block; }

.boundaries { margin-top: 10px; padding: 24px; }
.boundaries-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; }
.boundaries h2 { margin: 0; font: 540 30px/1.05 Georgia, "Times New Roman", serif; letter-spacing: 0; }
.boundaries-head > p { max-width: 450px; margin: 0; color: #8fa0ad; font-size: 12px; line-height: 1.45; }
.boundary-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 20px; }
.term { min-height: 125px; border: 1px solid #293640; border-radius: 6px; padding: 14px; color: #b9c7d0; background: #0b1116; text-align: left; transition: border-color .2s, transform .2s; }
.term:hover { transform: translateY(-3px); border-color: var(--decision); }
.term b { display: block; margin-bottom: 8px; color: var(--decision); font-size: 13px; }
.term span { color: #8fa0ad; font-size: 12px; line-height: 1.42; }
footer { display: flex; justify-content: space-between; gap: 18px; padding: 26px 3px 0; color: #667987; font: 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
footer a { color: #9ecde8; text-decoration: none; }
footer a:hover { color: var(--focus); }

@keyframes blink { 50% { opacity: .35; transform: scale(.78); } }
@keyframes route-flow { to { stroke-dashoffset: -26; } }

@media (max-width: 1080px) {
  .scenario-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .network-stage { grid-template-columns: repeat(5, minmax(100px, 1fr)); gap: 38px 14px; padding: 34px 20px; }
  .boundary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .node-inspector { grid-template-columns: 130px 1fr; }
  .node-inspector code { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .app-shell { width: min(100% - 18px, 1480px); padding-top: 24px; }
  .hero { flex-direction: column-reverse; gap: 20px; }
  .hero-tools { width: 100%; min-width: 0; flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .whaler-mark { width: 100px; height: 54px; }
  h1 { font-size: 38px; }
  .hero-copy { font-size: 15px; }
  .scenario-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stage-topline, .boundaries-head { flex-direction: column; align-items: flex-start; }
  .route-key { justify-content: flex-start; }
  .network-stage {
    grid-template-columns: repeat(2, minmax(112px, 1fr));
    grid-template-rows: repeat(5, 118px);
    gap: 34px 28px;
    min-height: 820px;
    padding: 28px 18px;
  }
  .node-source { grid-column: 1; grid-row: 1; }
  .node-feed { grid-column: 2; grid-row: 1; }
  .node-press { grid-column: 1; grid-row: 2; }
  .node-decima { grid-column: 2; grid-row: 2; }
  .node-director { grid-column: 1; grid-row: 3; }
  .node-executor { grid-column: 2; grid-row: 3; }
  .node-guard { grid-column: 1; grid-row: 4; }
  .node-bybit { grid-column: 2; grid-row: 4; }
  .node-panel { grid-column: 1 / -1; grid-row: 5; width: min(180px, 100%); justify-self: center; }
  .explain-grid { grid-template-columns: 1fr; }
  .boundary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 430px) {
  .scenario { min-height: 62px; padding: 9px; font-size: 12px; }
  .stage-topline, .story-card, .protocol-card, .boundaries { padding: 17px; }
  .stage-topline h2 { font-size: 27px; }
  .route-key { font-size: 9px; }
  .network-stage { gap: 30px 12px; padding: 24px 10px; }
  .node { padding: 11px 8px 9px; }
  .node-code { width: 31px; height: 27px; margin-bottom: 8px; font-size: 10px; }
  .node-label { font-size: 11px; }
  .node small { font-size: 8px; }
  .stage-controls { gap: 7px; padding: 12px 7px; }
  .play-button { padding: 8px 10px; font-size: 11px; }
  .node-inspector { grid-template-columns: 1fr; padding: 12px; }
  .node-inspector code { grid-column: 1; }
  .story-card h3 { font-size: 26px; }
  .protocol-line { grid-template-columns: 84px 1fr; font-size: 10px; }
  .boundary-grid { grid-template-columns: 1fr; }
  .term { min-height: 90px; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}