:root {
  color-scheme: dark;
  --ink: #0d100c;
  --ink-2: #151912;
  --paper: #eee4cf;
  --paper-2: #d9cdb5;
  --muted: #a99d87;
  --line: rgba(238, 228, 207, 0.18);
  --line-strong: rgba(238, 228, 207, 0.34);
  --teal: #4fa997;
  --rust: #c76b42;
  --green: #a4d65e;
  --blue: #547aa5;
  --violet: #9b82c7;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--paper);
  background:
    linear-gradient(rgba(238, 228, 207, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238, 228, 207, 0.028) 1px, transparent 1px),
    linear-gradient(135deg, #0d100c 0%, #171510 48%, #0b0d0a 100%);
  background-size: 42px 42px, 42px 42px, auto;
  font-family: var(--sans);
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

#harnessCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #0d100c;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 16, 12, 0.94) 0%, rgba(13, 16, 12, 0.72) 45%, rgba(13, 16, 12, 0.22) 100%),
    linear-gradient(180deg, rgba(13, 16, 12, 0.12) 0%, rgba(13, 16, 12, 0.86) 100%);
  pointer-events: none;
}

.topbar {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 40px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(79, 169, 151, 0.88), rgba(199, 107, 66, 0.82));
  box-shadow: inset 0 0 0 7px rgba(13, 16, 12, 0.38);
  transform: rotate(45deg);
}

.nav-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.82rem;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--paper);
  border-color: var(--line);
  background: rgba(238, 228, 207, 0.05);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: calc(100% - 40px);
  max-width: 1120px;
  margin: 0 auto;
  padding: 128px 0 56px;
}

.eyebrow,
.kicker {
  margin: 0 0 16px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  font-family: var(--serif);
  font-size: 4.8rem;
  line-height: 0.98;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.hero-copy {
  max-width: 660px;
  margin-top: 24px;
  color: rgba(238, 228, 207, 0.78);
  font-size: 1.18rem;
}

.stage-control {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 24px;
}

.stage-button,
.chip,
.copy-button,
.tool-tab,
select {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(238, 228, 207, 0.06);
  color: var(--paper);
  padding: 0 14px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.stage-button:hover,
.chip:hover,
.copy-button:hover,
.tool-tab:hover,
select:hover,
.stage-button:focus-visible,
.chip:focus-visible,
.copy-button:focus-visible,
.tool-tab:focus-visible,
select:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(238, 228, 207, 0.1);
}

.stage-button.is-active,
.chip.is-active,
.tool-tab.is-active {
  border-color: rgba(164, 214, 94, 0.8);
  background: rgba(164, 214, 94, 0.14);
  color: #f6ffe7;
}

.stage-readout {
  width: min(760px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.stage-readout span {
  color: var(--rust);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.stage-readout h2 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1.08;
}

.stage-readout p {
  color: rgba(238, 228, 207, 0.76);
}

.band {
  padding: 82px 0;
  border-bottom: 1px solid var(--line);
}

.section-inner {
  width: calc(100% - 40px);
  max-width: 1120px;
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  align-items: start;
  margin-bottom: 34px;
}

.section-head.compact {
  grid-template-columns: 1fr;
  max-width: 760px;
}

.section-head h2 {
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 1.04;
}

.section-head p:not(.kicker) {
  max-width: 620px;
  color: rgba(238, 228, 207, 0.72);
  font-size: 1.04rem;
}

.map-band {
  background:
    linear-gradient(180deg, rgba(79, 169, 151, 0.08), rgba(13, 16, 12, 0)),
    rgba(13, 16, 12, 0.74);
}

.tools-band {
  background:
    linear-gradient(90deg, rgba(84, 122, 165, 0.1), rgba(79, 169, 151, 0.05)),
    #10130f;
}

.tool-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tool-tab {
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 0.84rem;
}

.tool-readout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 18px;
}

.tool-readout aside,
.tool-spec {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(238, 228, 207, 0.055);
  box-shadow: var(--shadow);
}

.tool-readout aside {
  padding: 24px;
}

.tool-readout aside span {
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.tool-readout h3 {
  margin-top: 22px;
  font-family: var(--serif);
  font-size: 2.3rem;
}

.tool-readout p {
  margin-top: 12px;
  color: rgba(238, 228, 207, 0.74);
}

.tool-spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
}

.tool-spec div {
  min-height: 136px;
  padding: 20px;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.tool-spec div:nth-child(1),
.tool-spec div:nth-child(2) {
  border-top: 0;
}

.tool-spec div:nth-child(odd) {
  border-left: 0;
}

.tool-spec strong {
  display: block;
  margin-bottom: 18px;
  color: var(--rust);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.tool-spec span {
  color: rgba(238, 228, 207, 0.8);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.flow-node {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  color: var(--paper);
  background: rgba(238, 228, 207, 0.045);
  text-align: left;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.flow-node:hover,
.flow-node:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: rgba(238, 228, 207, 0.08);
}

.flow-node.is-active {
  border-color: rgba(79, 169, 151, 0.9);
  background: rgba(79, 169, 151, 0.16);
}

.flow-node span {
  color: var(--rust);
  font-family: var(--mono);
  font-size: 0.84rem;
}

.flow-node strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.04;
}

.flow-node em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.92rem;
}

.builder-band {
  background:
    linear-gradient(90deg, rgba(199, 107, 66, 0.11), transparent 55%),
    #12150f;
}

.workbench {
  min-height: 620px;
}

.builder-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 18px;
  align-items: stretch;
}

.tool-panel,
.prompt-panel,
.gate-verdict {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(238, 228, 207, 0.06);
  box-shadow: var(--shadow);
}

.tool-panel {
  padding: 24px;
}

.field-group + .field-group {
  margin-top: 30px;
}

select {
  width: 100%;
  padding: 0 12px;
  appearance: none;
}

.field-group h3 {
  margin-bottom: 12px;
  color: var(--paper-2);
  font-family: var(--mono);
  font-size: 0.92rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.packet-meter {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.packet-meter span,
.packet-meter strong,
.panel-topline {
  font-family: var(--mono);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.packet-meter div {
  height: 12px;
  margin: 10px 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(13, 16, 12, 0.5);
}

.packet-meter i {
  display: block;
  width: 74%;
  height: 100%;
  background: linear-gradient(90deg, var(--rust), var(--green), var(--teal));
  transition: width 220ms ease;
}

.prompt-panel {
  overflow: hidden;
}

.panel-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--paper-2);
}

.copy-button {
  min-height: 34px;
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 0.82rem;
}

pre {
  margin: 0;
  min-height: 420px;
  max-height: 520px;
  overflow: auto;
  padding: 20px;
  color: #f3ead7;
  background: rgba(5, 7, 5, 0.68);
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.gates-band {
  background:
    linear-gradient(90deg, rgba(84, 122, 165, 0.12), rgba(155, 130, 199, 0.08)),
    #0f120e;
}

.gate-layout {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 18px;
}

.gate-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.gate-list label {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  color: rgba(238, 228, 207, 0.82);
  background: rgba(238, 228, 207, 0.045);
}

.gate-list input {
  width: 18px;
  height: 18px;
  accent-color: var(--rust);
}

.gate-verdict {
  min-height: 224px;
  padding: 26px;
  align-self: stretch;
}

.gate-verdict span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(164, 214, 94, 0.15);
  color: #f6ffe7;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.gate-verdict.is-stop span {
  background: rgba(199, 107, 66, 0.2);
  color: #ffe4d6;
}

.gate-verdict h3 {
  margin-top: 26px;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1.08;
}

.gate-verdict p {
  margin-top: 16px;
  color: rgba(238, 228, 207, 0.74);
}

.runbook-band {
  background:
    linear-gradient(180deg, rgba(238, 228, 207, 0.035), rgba(13, 16, 12, 0)),
    #11130e;
}

.accordion {
  border-top: 1px solid var(--line);
}

.run-step {
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: 70px 1fr 240px;
  align-items: center;
  gap: 20px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  background: transparent;
  text-align: left;
}

.run-step span {
  color: var(--rust);
  font-family: var(--mono);
}

.run-step strong {
  font-family: var(--serif);
  font-size: 1.7rem;
}

.run-step em {
  justify-self: end;
  color: var(--muted);
  font-style: normal;
}

.run-step.is-open {
  color: #f6ffe7;
}

.run-detail {
  display: none;
  padding: 0 0 24px 90px;
  border-bottom: 1px solid var(--line);
  color: rgba(238, 228, 207, 0.72);
}

.run-detail.is-open {
  display: block;
}

.docs-band {
  background: #0d100c;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.doc-link {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(238, 228, 207, 0.048);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.doc-link:hover,
.doc-link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(238, 228, 207, 0.08);
}

.doc-link span {
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.doc-link strong {
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: calc(100% - 40px);
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 0 42px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.82rem;
}

@media (max-width: 940px) {
  .topbar {
    padding: 18px 20px;
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: 3.5rem;
  }

  .stage-readout,
  .section-head,
  .builder-layout,
  .gate-layout,
  .tool-readout {
    grid-template-columns: 1fr;
  }

  .flow-grid,
  .doc-grid,
  .tool-spec {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .run-step {
    grid-template-columns: 52px 1fr;
  }

  .run-step em {
    grid-column: 2;
    justify-self: start;
  }

  .run-detail {
    padding-left: 72px;
  }
}

@media (max-width: 620px) {
  .hero-inner,
  .section-inner,
  .site-footer {
    width: calc(100vw - 24px);
    max-width: 340px;
    margin-left: 12px;
    margin-right: 0;
  }

  .hero-inner {
    padding-bottom: 34px;
  }

  h1 {
    font-size: 2.18rem;
    line-height: 1.04;
  }

  .stage-button {
    flex: 1 1 96px;
  }

  .hero-copy {
    font-size: 1rem;
    max-width: calc(100vw - 24px);
  }

  .stage-control {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    max-width: calc(100vw - 24px);
  }

  .stage-control .stage-button:last-child {
    grid-column: span 2;
  }

  .section-head h2,
  .gate-verdict h3 {
    font-size: 2.1rem;
  }

  .flow-grid,
  .gate-list,
  .doc-grid,
  .tool-spec {
    grid-template-columns: 1fr;
  }

  .tool-spec div,
  .tool-spec div:nth-child(2) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .tool-spec div:first-child {
    border-top: 0;
  }

  .band {
    padding: 58px 0;
  }

  .site-footer {
    flex-direction: column;
  }
}