@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/SpaceGrotesk.woff2") format("woff2");
  font-display: swap;
  font-weight: 400 700;
}

@font-face {
  font-family: "Inter";
  src: url("fonts/Inter.woff2") format("woff2");
  font-display: swap;
  font-weight: 400 700;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono.woff2") format("woff2");
  font-display: swap;
  font-weight: 400 700;
}

:root {
  color-scheme: dark;
  --ink: #0a0e13;
  --panel: #10151d;
  --panel-raised: #161d27;
  --panel-soft: #1d2530;
  --line: #2a3748;
  --text: #e9eff3;
  --muted: #a7b2bd;
  --green: #15e0a1;
  --green-ink: #03271c;
  --amber: #f2a326;
  --red: #ff6b6f;
  --blue: #72b7ff;
  --radius: 18px;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% -10%, rgba(21, 224, 161, 0.13), transparent 30rem),
    radial-gradient(circle at 94% 28%, rgba(114, 183, 255, 0.07), transparent 28rem),
    var(--ink);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
}

a {
  color: var(--green);
}

button,
select,
input {
  color: inherit;
  font: inherit;
}

button,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--green);
  color: var(--green-ink);
  font-weight: 800;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.simulation-banner {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  gap: 8px;
  padding: 7px 16px;
  border-bottom: 1px solid rgba(242, 163, 38, 0.62);
  background: #3a2705;
  color: #fff4d8;
  font: 700 12px/1.35 var(--mono);
  letter-spacing: 0.02em;
  text-align: center;
}

.simulation-banner strong {
  color: #ffd37c;
  letter-spacing: 0.09em;
}

.simulation-watermark {
  position: fixed;
  z-index: 0;
  right: -38px;
  bottom: 96px;
  color: rgba(242, 163, 38, 0.055);
  font: 700 clamp(64px, 10vw, 150px)/1 var(--display);
  letter-spacing: 0.08em;
  pointer-events: none;
  transform: rotate(-90deg);
  transform-origin: center;
  user-select: none;
}

.site-header,
.shell,
footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(21, 224, 161, 0.08);
}

.brand span {
  display: grid;
}

.brand b {
  font: 700 18px/1 var(--display);
  letter-spacing: 0.01em;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font: 11px/1 var(--mono);
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  gap: 18px;
}

.site-header nav a {
  color: var(--muted);
  font-size: 13px;
  text-underline-offset: 4px;
}

.site-header nav a:hover {
  color: var(--text);
}

.shell {
  display: grid;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  gap: 16px;
  padding-bottom: 54px;
}

.intro,
.setup-card,
.journey,
.atlas-shell,
.guide-card,
.real-install {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(22, 29, 39, 0.97), rgba(16, 21, 29, 0.97));
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.24);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr);
  gap: 24px;
  padding: clamp(22px, 4vw, 42px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font: 700 11px/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  font-family: var(--display);
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(34px, 5.4vw, 66px);
  line-height: 0.99;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 68ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.65;
}

.truth-card {
  align-self: stretch;
  padding: 20px;
  border: 1px solid rgba(242, 163, 38, 0.38);
  border-radius: 15px;
  background: rgba(242, 163, 38, 0.055);
}

.truth-card h2 {
  margin: 0;
  font-size: 17px;
}

.truth-card ul {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.truth-card li {
  position: relative;
  padding-left: 21px;
  color: var(--muted);
  font-size: 13px;
}

.truth-card li::before {
  position: absolute;
  left: 0;
  color: var(--amber);
  content: "◇";
}

.setup-card,
.journey,
.guide-card,
.real-install {
  padding: clamp(18px, 2.8vw, 28px);
}

.section-heading,
.atlas-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.section-heading h2,
.atlas-header h2,
.guide-card h2,
.real-install h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 27px);
  letter-spacing: -0.02em;
}

.catalog-status {
  max-width: 44ch;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.catalog-status[data-kind="error"] {
  color: #ff9a9d;
}

.setup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(230px, 0.5fr);
  gap: 12px;
  margin-top: 20px;
}

.setup-grid label,
.seed-readout {
  display: grid;
  gap: 7px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(10, 14, 19, 0.42);
  color: var(--muted);
  font-size: 12px;
}

select {
  width: 100%;
  min-height: 46px;
  padding: 10px 42px 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
}

select:disabled {
  cursor: wait;
  opacity: 0.7;
}

.seed-readout b {
  color: var(--green);
  font: 700 19px/1.2 var(--mono);
}

.seed-readout small {
  color: var(--muted);
  line-height: 1.45;
}

.topology-summary {
  margin-top: 14px;
}

.validation-warning {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding: 13px 14px;
  border: 1px solid rgba(242, 163, 38, 0.52);
  border-radius: 13px;
  background: rgba(242, 163, 38, 0.08);
  color: #f4dfb8;
  font-size: 12.5px;
  line-height: 1.5;
}

.validation-warning[hidden] {
  display: none;
}

.validation-warning strong {
  flex: 0 0 auto;
  color: #ffd687;
  font: 700 11px/1.5 var(--mono);
  letter-spacing: 0.05em;
}

.topology-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 18px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(10, 14, 19, 0.56);
}

.topology-card h3 {
  margin: 0;
  font-size: 18px;
}

.topology-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.topology-badges,
.node-meta,
.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.topology-badges {
  align-content: start;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-raised);
  color: var(--muted);
  font: 11px/1.35 var(--mono);
}

.badge-green {
  border-color: rgba(21, 224, 161, 0.36);
  color: var(--green);
}

.badge-amber {
  border-color: rgba(242, 163, 38, 0.42);
  color: #ffd687;
}

.journey-steps {
  display: grid;
  grid-template-columns: repeat(7, minmax(110px, 1fr));
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: journey;
}

.journey-steps li {
  counter-increment: journey;
  min-height: 98px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(10, 14, 19, 0.45);
  color: var(--muted);
  font-size: 12px;
}

.journey-steps li::before {
  display: grid;
  width: 26px;
  height: 26px;
  margin-bottom: 8px;
  place-items: center;
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--muted);
  content: counter(journey);
  font: 700 11px var(--mono);
}

.journey-steps li[data-state="current"] {
  border-color: var(--green);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(21, 224, 161, 0.22);
}

.journey-steps li[data-state="current"]::before,
.journey-steps li[data-state="done"]::before {
  background: var(--green);
  color: var(--green-ink);
}

.journey-steps li[data-state="done"] {
  border-color: rgba(21, 224, 161, 0.28);
  color: var(--green);
}

.atlas-shell {
  overflow: hidden;
}

.atlas-header {
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.synthetic-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(242, 163, 38, 0.44);
  border-radius: 999px;
  color: #ffd687;
  font: 11px/1 var(--mono);
}

.synthetic-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

.atlas-tabs {
  display: flex;
  gap: 4px;
  padding: 8px 10px 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 14, 19, 0.4);
}

.atlas-tabs button {
  min-height: 42px;
  padding: 9px 13px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.atlas-tabs button[aria-selected="true"] {
  border-bottom-color: var(--green);
  color: var(--text);
}

.atlas-content {
  min-height: 390px;
}

.atlas-panel {
  min-height: 390px;
  padding: clamp(18px, 3vw, 30px);
}

.atlas-panel:focus {
  outline-offset: -4px;
}

.panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 16px;
}

.surface,
.node-card,
.incident-card,
.preview-card,
.evidence-card,
.empty-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(10, 14, 19, 0.5);
}

.surface,
.incident-card,
.preview-card,
.evidence-card,
.empty-card {
  padding: 18px;
}

.surface h3,
.incident-card h3,
.preview-card h3,
.evidence-card h3,
.empty-card h3 {
  margin: 0;
  font-size: 18px;
}

.surface > p,
.incident-card > p,
.preview-card > p,
.evidence-card > p,
.empty-card > p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.node-list {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.node-card {
  display: grid;
  grid-template-columns: 11px minmax(0, 1fr) auto;
  gap: 11px;
  padding: 13px;
  align-items: center;
}

.node-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.node-dot[data-state="signal"] {
  background: var(--amber);
}

.node-dot[data-state="active"] {
  background: var(--green);
}

.node-card strong,
.node-card small {
  display: block;
}

.node-card small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.node-state {
  color: var(--muted);
  font: 10px/1.3 var(--mono);
  text-align: right;
}

.flow-list {
  display: grid;
  gap: 9px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  color: var(--muted);
  font-size: 12px;
}

.flow-list li b {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 7px;
  background: rgba(21, 224, 161, 0.1);
  color: var(--green);
  font: 700 10px var(--mono);
}

.flow-list li[data-active="true"] {
  color: var(--text);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.metric {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
}

.metric b,
.metric span {
  display: block;
}

.metric b {
  color: var(--green);
  font: 700 18px/1.2 var(--mono);
}

.metric[data-tone="risk"] b {
  color: var(--red);
}

.metric[data-tone="freshness"] b {
  color: var(--blue);
}

.metric[data-tone="uncertainty"] b {
  color: var(--amber);
}

.metric span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.honesty-note {
  margin-top: 14px;
  padding: 11px 12px;
  border-left: 3px solid var(--amber);
  background: rgba(242, 163, 38, 0.06);
  color: #f4dfb8;
  font-size: 12px;
}

.status-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 15px;
  color: var(--muted);
  font-size: 12px;
}

.status-line b {
  color: var(--text);
}

.approval-box {
  margin-top: 16px;
  padding: 13px;
  border: 1px solid rgba(242, 163, 38, 0.38);
  border-radius: 12px;
  background: rgba(242, 163, 38, 0.05);
}

.approval-box label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.approval-box input {
  width: 19px;
  height: 19px;
  margin: 1px 0 0;
  accent-color: var(--green);
}

.evidence-list {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.evidence-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.evidence-list b {
  color: var(--text);
  font-family: var(--mono);
  text-align: right;
}

.guide-card,
.real-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px 24px;
  align-items: center;
}

.guide-card p,
.real-install p {
  max-width: 72ch;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
}

.action-status {
  grid-column: 1 / -1;
  min-height: 20px;
  margin: 0 !important;
  color: #ffd687 !important;
}

.button {
  display: inline-flex;
  min-height: 43px;
  padding: 10px 15px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  border-color: var(--green);
}

.button-primary {
  border-color: var(--green);
  background: var(--green);
  color: var(--green-ink);
}

.button-danger {
  border-color: rgba(255, 107, 111, 0.5);
  color: #ffb3b5;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.45;
  pointer-events: none;
}

.real-install {
  border-color: rgba(21, 224, 161, 0.34);
}

footer {
  display: grid;
  justify-items: center;
  gap: 5px;
  padding: 22px 18px 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

footer strong {
  color: #ffd687;
  font-family: var(--mono);
}

@media (max-width: 1050px) {
  .journey-steps {
    grid-template-columns: repeat(4, minmax(130px, 1fr));
  }
}

@media (max-width: 820px) {
  .intro,
  .topology-card,
  .panel-grid,
  .guide-card,
  .real-install {
    grid-template-columns: 1fr;
  }

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

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

  .catalog-status {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .simulation-banner {
    flex-wrap: wrap;
    gap: 3px 7px;
    min-height: 48px;
  }

  .site-header {
    align-items: flex-start;
  }

  .site-header nav {
    display: grid;
    gap: 4px;
    justify-items: end;
  }

  .validation-warning {
    display: grid;
  }

  .shell,
  .site-header {
    width: min(100% - 20px, 1240px);
  }

  .section-heading,
  .atlas-header {
    display: grid;
  }

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

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

  .node-card {
    grid-template-columns: 11px minmax(0, 1fr);
  }

  .node-state {
    grid-column: 2;
    text-align: left;
  }

  .guide-actions .button,
  .real-install .button {
    width: 100%;
  }
}

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

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

@media print {
  .simulation-banner {
    position: static;
  }

  .simulation-watermark {
    color: rgba(0, 0, 0, 0.08);
  }
}