:root {
  color-scheme: dark;
  --bg: #0a0e0d;
  --panel: rgba(246, 241, 220, 0.08);
  --ink: #f6f1dc;
  --muted: #bdb59c;
  --line: rgba(246, 241, 220, 0.18);
  --lime: #d9ff4a;
  --aqua: #43e6c6;
  --orange: #ffad5a;
  --pink: #ff7ab8;
  --blue: #8eb7ff;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow: hidden;
  color: var(--ink);
  background:
    linear-gradient(rgba(246, 241, 220, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246, 241, 220, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 18% 15%, rgba(67, 230, 198, 0.22), transparent 28rem),
    radial-gradient(circle at 82% 18%, rgba(217, 255, 74, 0.18), transparent 30rem),
    linear-gradient(135deg, #07100e, #15140f 55%, #21170f);
  background-size: 34px 34px, 34px 34px, auto, auto, auto;
}

button {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(246, 241, 220, 0.08);
  font: inherit;
  cursor: pointer;
}

button:focus-visible,
.deck:focus-visible,
a:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.skipLink {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  transform: translateY(-200%);
  color: #10140d;
  background: var(--lime);
  padding: 0.7rem 1rem;
  border-radius: 999px;
}

.skipLink:focus { transform: translateY(0); }

.deckChrome {
  position: fixed;
  z-index: 5;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.deckControls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.deckControls button {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
}

.deck {
  position: relative;
  width: 100vw;
  height: 100vh;
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  padding: clamp(5rem, 8vw, 7rem) clamp(1.2rem, 7vw, 7rem) clamp(2.5rem, 6vw, 5rem);
}

.slide.active {
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: slideIn 420ms ease both;
}

[data-animate] {
  opacity: 0;
}

.fallbackVisible {
  opacity: 1;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(18px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.kicker {
  margin: 0 0 1rem;
  color: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: clamp(0.8rem, 1.2vw, 0.95rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 8vw, 7.5rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

h2 { font-size: clamp(2.7rem, 6vw, 6rem); }

.lead,
.slide p {
  max-width: 48rem;
  color: #ded5b9;
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
  line-height: 1.5;
}

.titleSlide::after,
.closeSlide::after {
  content: "";
  position: absolute;
  right: 8vw;
  bottom: 10vh;
  width: min(28vw, 18rem);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: conic-gradient(from 90deg, var(--lime), transparent, var(--aqua), transparent, var(--lime));
  opacity: 0.5;
  filter: blur(0.2px);
  animation: spinMark 16s linear infinite;
}

@keyframes spinMark { to { transform: rotate(360deg); } }

.titleMeta,
.nextSteps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.titleMeta span,
.nextSteps span {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(246, 241, 220, 0.08);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.repoLink {
  display: inline-flex;
  width: fit-content;
  margin-top: 2rem;
  border: 1px solid rgba(217, 255, 74, 0.45);
  border-radius: 999px;
  background: rgba(217, 255, 74, 0.12);
  padding: 0.85rem 1rem;
  color: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: clamp(0.9rem, 1.3vw, 1rem);
  text-decoration: none;
}

.repoLink:hover {
  border-color: var(--lime);
  background: rgba(217, 255, 74, 0.18);
}

.splitSlide.active {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.8fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 5rem);
}

.cardsStack,
.promptPanel,
.riskList,
.decisionDiagram,
.miniFlow,
.choiceTable,
.balanceBoard,
.circuitBoard,
.componentList,
.blackBoxDemo,
.visibleFlow,
.setupMap {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 2rem;
  padding: 1.2rem;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

.cardsStack article,
.riskList div,
.testGrid article,
.exampleGrid article,
.choiceTable div,
.balanceBoard div,
.componentList div,
.setupMap div:not(.mapArrow) {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(0, 0, 0, 0.18);
}

.cardsStack article + article,
.riskList div + div { margin-top: 0.8rem; }

.cardsStack strong,
.riskList strong,
.testGrid strong,
.outcomeGrid strong,
.exampleGrid strong,
.choiceTable strong,
.balanceBoard strong,
.componentList strong,
.setupMap strong {
  display: block;
  color: var(--aqua);
  font-size: 1.25rem;
}

.cardsStack span,
.riskList span,
.testGrid p,
.outcomeGrid p,
.exampleGrid p,
.choiceTable span,
.balanceBoard span,
.componentList span,
.setupMap span {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted);
  line-height: 1.4;
}

.outcomeGrid,
.testGrid,
.exampleGrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.exampleGrid article {
  min-height: 11rem;
}

.miniFlow,
.visibleFlow,
.blackBoxDemo {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
  font-size: 1.15rem;
}

.blackBoxDemo {
  grid-template-columns: 1fr auto 1fr;
}

.miniFlow div,
.visibleFlow div,
.blackBoxDemo div {
  min-height: 6.5rem;
  display: grid;
  place-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(0, 0, 0, 0.18);
  font-weight: 900;
}

.miniFlow span,
.visibleFlow span,
.blackBoxDemo span,
.mapArrow {
  color: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 1.5rem;
}

.choiceTable {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.balanceBoard,
.componentList {
  display: grid;
  gap: 0.8rem;
}

.circuitBoard {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 3rem 1fr 3rem 1fr;
  align-items: center;
  gap: 0.5rem;
  min-height: 22rem;
}

.chip {
  display: grid;
  place-items: center;
  min-height: 6.5rem;
  border: 2px solid rgba(67, 230, 198, 0.55);
  border-radius: 1rem;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(246, 241, 220, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(246, 241, 220, 0.08) 1px, transparent 1px),
    rgba(0, 0, 0, 0.22);
  background-size: 12px 12px;
  font-weight: 900;
}

.accentChip {
  grid-column: 3 / 4;
  border-color: rgba(217, 255, 74, 0.72);
  color: var(--lime);
}

.wire {
  display: block;
  height: 3px;
  background: var(--lime);
  box-shadow: 0 0 18px rgba(217, 255, 74, 0.35);
}

.wire.vertical {
  grid-column: 3 / 4;
  justify-self: center;
  width: 3px;
  height: 3rem;
}

.blackBox,
.mysteryBox {
  border-color: rgba(255, 122, 184, 0.55) !important;
}

.visibleFlow {
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
}

.setupMap {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 1rem;
  margin-top: 2rem;
}

.publicMap div:not(.mapArrow) {
  border-color: rgba(255, 173, 90, 0.42);
}

.localMap div:not(.mapArrow) {
  border-color: rgba(67, 230, 198, 0.42);
}

.outcomeGrid div {
  min-height: 14rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: rgba(246, 241, 220, 0.08);
}

.outcomeGrid span {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 3rem;
  border-radius: 50%;
  color: #10140d;
  background: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-weight: 900;
}

.flowDiagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr minmax(9rem, 0.75fr);
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.flowNode,
.nodeCard {
  min-height: 8rem;
  display: grid;
  place-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: rgba(246, 241, 220, 0.09);
  text-align: center;
  font-size: 1.35rem;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.flowNode small { color: var(--muted); font-size: 0.78rem; font-weight: 400; }
.flowArrow { color: var(--lime); font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; animation: pulseArrow 1.4s ease-in-out infinite; }
@keyframes pulseArrow { 50% { transform: translateX(6px); opacity: 0.55; } }

.flowBranch {
  display: grid;
  gap: 0.7rem;
}

.flowBranch .flowNode { min-height: 4.5rem; font-size: 1rem; }
.web { border-color: rgba(67, 230, 198, 0.45); }
.webhook { border-color: rgba(217, 255, 74, 0.45); }
.agent { border-color: rgba(255, 173, 90, 0.52); }
.model { border-color: rgba(142, 183, 255, 0.48); }
.memory { border-color: rgba(255, 122, 184, 0.45); }
.telegram { border-color: rgba(67, 230, 198, 0.45); }

.screenshotCue {
  width: fit-content;
  margin-top: 1.3rem;
  padding: 0.75rem 0.95rem;
  border: 1px dashed var(--orange);
  color: #ffe1bd;
  background: rgba(255, 173, 90, 0.1);
  border-radius: 999px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.terminalSlide pre {
  max-width: 64rem;
  margin: 1.5rem 0;
  padding: 1.5rem;
  overflow-x: auto;
  border: 1px solid rgba(67, 230, 198, 0.35);
  border-radius: 1.5rem;
  color: var(--lime);
  background: rgba(0, 0, 0, 0.42);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  line-height: 1.5;
}

.noteGrid,
.urlBoard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.noteGrid p,
.urlBoard div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(246, 241, 220, 0.08);
}

.nodeBoard {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.nodeCard { min-height: 7rem; }
.underText { margin-top: 1.2rem; }

.promptPanel span,
.urlBoard span {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  text-transform: uppercase;
}

.promptPanel li {
  margin: 0.75rem 0;
  color: #ded5b9;
  font-size: 1.15rem;
}

code {
  color: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.urlBoard code {
  display: block;
  overflow-wrap: anywhere;
  font-size: clamp(1rem, 1.7vw, 1.3rem);
}

.decisionDiagram {
  display: grid;
  gap: 0.8rem;
  text-align: center;
  font-size: 1.2rem;
}

.decisionDiagram div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(0, 0, 0, 0.18);
}

.decisionDiagram span {
  color: var(--lime);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.visualSplit {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 1.05fr);
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  margin-top: 1.6rem;
}

.visualSplitWide {
  grid-template-columns: minmax(0, 1.1fr) minmax(24rem, 0.9fr);
}

.screenshotFrame {
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(246, 241, 220, 0.24);
  border-radius: 1.35rem;
  background: rgba(0, 0, 0, 0.24);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.screenshotFrame img {
  display: block;
  width: 100%;
  height: auto;
}

.screenshotFrame figcaption {
  padding: 0.75rem 0.95rem;
  border-top: 1px solid rgba(246, 241, 220, 0.14);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.28);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.35;
}

.workflowShot img {
  aspect-ratio: 1900 / 1112;
  object-fit: cover;
  object-position: center;
}

.importShot img {
  aspect-ratio: 2742 / 1074;
  object-fit: cover;
  object-position: center;
}

.telegramVisual {
  display: grid;
  grid-template-columns: minmax(12rem, 0.85fr) minmax(15rem, 1fr);
  align-items: center;
  gap: 1rem;
}

.telegramShot img {
  max-height: 54vh;
  object-fit: contain;
  background: #111;
}

@media (max-width: 1180px) and (min-width: 901px) {
  .visualSplitWide {
    grid-template-columns: minmax(0, 0.92fr) minmax(18rem, 0.78fr);
  }

  .visualSplitWide .flowDiagram {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .visualSplitWide .flowArrow {
    display: none;
  }

  .visualSplitWide .flowNode {
    min-height: 5.5rem;
    padding: 0.75rem;
    font-size: 1.05rem;
  }

  .visualSplitWide .flowBranch {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workflowShot img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }
}

.progress {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0.35rem;
  background: rgba(246, 241, 220, 0.1);
}

.progress span {
  display: block;
  width: 8.333%;
  height: 100%;
  background: linear-gradient(90deg, var(--aqua), var(--lime));
  transition: width 220ms ease;
}

@media (max-width: 900px) {
  body { overflow: auto; }
  .deck { min-height: 100vh; height: auto; }
  .slide,
  .slide.active,
  .splitSlide.active {
    position: static;
    min-height: 100vh;
    display: none;
    padding-top: 6rem;
  }
  .slide.active { display: flex; }
  .splitSlide.active { display: grid; grid-template-columns: 1fr; }
  .outcomeGrid,
  .testGrid,
  .exampleGrid,
  .choiceTable,
  .nodeBoard,
  .flowDiagram,
  .noteGrid,
  .urlBoard,
  .miniFlow,
  .visibleFlow,
  .blackBoxDemo,
  .setupMap,
  .circuitBoard { grid-template-columns: 1fr; }
  .flowArrow { transform: rotate(90deg); text-align: center; }
  .wire { width: 3px; height: 2.5rem; justify-self: center; }
  .wire.vertical, .accentChip { grid-column: auto; }
  .visualSplit,
  .visualSplitWide,
  .telegramVisual { grid-template-columns: 1fr; }
  .telegramShot img { max-height: none; }
}

@media (max-width: 620px) {
  .deckChrome { align-items: flex-start; flex-direction: column; }
  h1, h2 { max-width: none; }
  .titleSlide::after, .closeSlide::after { display: none; }
}