:root {
  color-scheme: dark;
  --void: #050704;
  --carbon: #0b0f0c;
  --panel: #101711;
  --panel-2: #151d16;
  --ink: #f4f0e6;
  --muted: #9ba89b;
  --line: rgb(205 231 205 / 16%);
  --line-strong: rgb(205 231 205 / 32%);
  --mint: #78f7b4;
  --mint-2: #24b979;
  --cyan: #6fd9ff;
  --amber: #ffb86b;
  --red: #ff6d5e;
  --bone: #f1dfb7;
  --shadow: 0 28px 90px rgb(0 0 0 / 42%);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--void);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgb(120 247 180 / 5%) 1px, transparent 1px),
    linear-gradient(rgb(120 247 180 / 4%) 1px, transparent 1px),
    linear-gradient(135deg, #050704 0%, #0b0f0c 48%, #120f0a 100%);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 28%, rgb(120 247 180 / 10%) 28% 29%, transparent 29% 100%),
    linear-gradient(72deg, transparent 0 68%, rgb(255 184 107 / 8%) 68% 69%, transparent 69% 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgb(255 255 255 / 3%) 0,
    rgb(255 255 255 / 3%) 1px,
    transparent 1px,
    transparent 5px
  );
  mix-blend-mode: soft-light;
}

button {
  border: 0;
  font: inherit;
}

#signalCanvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100vw;
  height: 100vh;
  opacity: 0.68;
}

.shell {
  width: min(1540px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 44px;
}

.topbar {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  border: 1px solid rgb(120 247 180 / 45%);
  border-radius: 8px;
  background: rgb(120 247 180 / 10%);
  color: var(--mint);
  font-weight: 900;
  box-shadow: 0 0 34px rgb(120 247 180 / 16%);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small,
.topbar-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.topbar-meta span {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(16 23 17 / 72%);
}

.hero-grid {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 28px;
  align-items: center;
  padding: 54px 0 34px;
}

.hero-copy {
  max-width: 980px;
  min-width: 0;
}

.kicker,
.section-label {
  margin: 0;
  color: var(--mint);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-copy h1 {
  max-width: 1040px;
  margin: 14px 0 18px;
  font-size: clamp(3.2rem, 8vw, 8.7rem);
  line-height: 0.88;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.hero-text {
  max-width: 760px;
  margin: 0;
  color: #c8d3c8;
  font-size: clamp(1rem, 1.6vw, 1.24rem);
  line-height: 1.7;
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.command {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgb(244 240 230 / 7%);
  color: var(--ink);
  font-weight: 900;
  padding: 0 16px;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.command:hover {
  transform: translateY(-2px);
  border-color: rgb(120 247 180 / 68%);
  background: rgb(120 247 180 / 10%);
}

.command:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  transform: none;
}

.command.primary {
  border-color: rgb(120 247 180 / 88%);
  background: var(--mint);
  color: #061009;
}

.command.ghost {
  color: var(--muted);
}

.mission-panel,
.simulator,
.story-strip article,
.rail,
.operating-stage,
.sequence {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgb(255 255 255 / 5%), rgb(255 255 255 / 2%)),
    rgb(8 12 9 / 82%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.mission-panel {
  position: relative;
  overflow: hidden;
  min-width: 0;
  min-height: 360px;
  border-radius: 8px;
  padding: 22px;
}

.mission-panel::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgb(120 247 180 / 20%);
  border-radius: 8px;
  pointer-events: none;
}

.mission-panel::after {
  content: "WS-1042";
  position: absolute;
  right: -18px;
  bottom: 18px;
  color: rgb(120 247 180 / 10%);
  font-size: 5rem;
  font-weight: 950;
  letter-spacing: 0;
}

.mission-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--mint);
  font-weight: 900;
}

.pulse {
  width: 12px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgb(120 247 180 / 42%);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 14px rgb(120 247 180 / 0%);
  }
}

.mission-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 36px 0 0;
}

.mission-grid div {
  min-height: 96px;
  display: grid;
  align-content: end;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(255 255 255 / 4%);
}

.mission-grid dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.mission-grid dd {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
}

.simulator {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 340px;
  gap: 14px;
  border-radius: 8px;
  padding: 14px;
  min-width: 0;
}

.sequence,
.operating-stage,
.rail {
  border-radius: 8px;
}

.sequence {
  padding: 16px;
}

.sequence ol {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.sequence li {
  min-height: 54px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #aeb9ae;
  cursor: pointer;
}

.sequence li.active {
  border-color: rgb(120 247 180 / 44%);
  background: rgb(120 247 180 / 8%);
  color: var(--ink);
}

.sequence .step-index {
  display: grid;
  place-items: center;
  width: 34px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgb(255 255 255 / 5%);
  color: var(--mint);
  font-size: 0.75rem;
  font-weight: 900;
}

.sequence li.active .step-index {
  border-color: var(--mint);
  background: var(--mint);
  color: #061009;
}

.sequence .step-name {
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.25;
}

.operating-stage {
  min-height: 760px;
  padding: 18px;
  min-width: 0;
}

.stage-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  margin-bottom: 16px;
}

.stage-top h2 {
  max-width: 760px;
  margin: 8px 0 0;
  font-size: clamp(1.7rem, 3vw, 3.3rem);
  line-height: 1;
  letter-spacing: 0;
}

.counter {
  min-width: 86px;
  text-align: center;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--bone);
  font-weight: 900;
}

.protocol-map {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgb(120 247 180 / 5%) 1px, transparent 1px),
    linear-gradient(rgb(120 247 180 / 5%) 1px, transparent 1px),
    radial-gradient(ellipse at center, rgb(120 247 180 / 8%), transparent 54%),
    #070b08;
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.protocol-map::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 8px;
  pointer-events: none;
}

.node,
.core {
  position: absolute;
}

.node {
  width: 220px;
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 8%), rgb(255 255 255 / 3%)),
    rgb(9 14 10 / 92%);
  box-shadow: 0 18px 44px rgb(0 0 0 / 28%);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease,
    box-shadow 220ms ease;
}

.node span,
.core-inner span {
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.node strong,
.core-inner strong {
  font-size: 1.04rem;
}

.node small,
.core-inner small {
  color: var(--muted);
  line-height: 1.35;
}

.node[data-active="true"] {
  border-color: rgb(120 247 180 / 78%);
  background:
    linear-gradient(180deg, rgb(120 247 180 / 16%), rgb(255 255 255 / 4%)),
    rgb(9 14 10 / 96%);
  box-shadow:
    0 0 0 1px rgb(120 247 180 / 15%),
    0 26px 60px rgb(120 247 180 / 12%);
  transform: translateY(-5px);
}

.human {
  top: 42px;
  left: 36px;
}

.agent {
  top: 42px;
  right: 36px;
}

.request {
  left: 36px;
  bottom: 42px;
}

.host {
  right: 36px;
  bottom: 42px;
}

.core {
  width: 280px;
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
}

.core-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgb(120 247 180 / 25%);
  border-radius: 50%;
}

.ring-a {
  animation: rotate 14s linear infinite;
}

.ring-b {
  inset: 28px;
  border-color: rgb(111 217 255 / 24%);
  animation: rotate 9s linear infinite reverse;
}

.core-ring::before,
.core-ring::after {
  content: "";
  position: absolute;
  width: 9px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: var(--mint);
  box-shadow: 0 0 20px rgb(120 247 180 / 80%);
}

.core-ring::before {
  top: -5px;
  left: 50%;
}

.core-ring::after {
  bottom: -5px;
  left: 50%;
}

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

.core-inner {
  width: 184px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  text-align: center;
  border: 1px solid rgb(120 247 180 / 54%);
  border-radius: 50%;
  background:
    linear-gradient(180deg, rgb(120 247 180 / 18%), rgb(9 14 10 / 94%)),
    #0b100c;
  box-shadow:
    inset 0 0 30px rgb(120 247 180 / 10%),
    0 0 80px rgb(120 247 180 / 15%);
}

.core[data-active="true"] .core-inner {
  border-color: var(--mint);
  box-shadow:
    inset 0 0 38px rgb(120 247 180 / 16%),
    0 0 100px rgb(120 247 180 / 24%);
}

.data-beam {
  position: absolute;
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, rgb(120 247 180 / 76%), transparent);
  opacity: 0.16;
}

.data-beam.active {
  opacity: 1;
  animation: scan 1.1s linear infinite;
}

.beam-human {
  top: 148px;
  left: 240px;
  width: 260px;
  transform: rotate(21deg);
}

.beam-agent {
  top: 148px;
  right: 240px;
  width: 260px;
  transform: rotate(159deg);
}

.beam-host {
  bottom: 154px;
  right: 240px;
  width: 265px;
  transform: rotate(201deg);
}

.beam-request {
  bottom: 154px;
  left: 240px;
  width: 265px;
  transform: rotate(-21deg);
}

@keyframes scan {
  0% {
    filter: brightness(0.7);
  }

  50% {
    filter: brightness(1.7);
  }

  100% {
    filter: brightness(0.7);
  }
}

.phase-brief {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 14px;
  margin-top: 14px;
}

.phase-brief p,
.phase-brief ul,
.rail ul {
  margin: 0;
}

.phase-brief p {
  min-height: 140px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(255 255 255 / 5%);
  color: #d6dfd4;
  line-height: 1.65;
}

.phase-brief ul,
.rail ul {
  display: grid;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.phase-brief li,
.rail li {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(255 255 255 / 4%);
  color: #d6dfd4;
  line-height: 1.45;
}

.phase-brief li {
  padding: 12px 14px;
}

.right-stack {
  display: grid;
  gap: 14px;
}

.rail {
  padding: 16px;
}

.rail-head {
  margin-bottom: 12px;
}

.rail h3 {
  margin: 7px 0 0;
  font-size: 1.12rem;
}

.rail li {
  position: relative;
  padding: 11px 12px 11px 30px;
  font-size: 0.9rem;
}

.rail li::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 13px;
  width: 7px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: var(--mint);
  box-shadow: 0 0 12px rgb(120 247 180 / 54%);
}

.rail li.pending::before {
  background: var(--amber);
  box-shadow: 0 0 12px rgb(255 184 107 / 52%);
}

.rail li.blocked::before {
  background: var(--red);
  box-shadow: 0 0 12px rgb(255 109 94 / 52%);
}

.gate-meter {
  height: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 5%);
  margin-bottom: 12px;
}

.gate-meter span {
  display: block;
  width: var(--gate, 24%);
  height: 100%;
  border-radius: inherit;
  background: var(--gate-color, var(--mint));
  transition:
    width 240ms ease,
    background-color 240ms ease;
}

.story-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.story-strip article {
  min-height: 210px;
  border-radius: 8px;
  padding: 18px;
}

.story-strip span {
  color: var(--mint);
  font-weight: 950;
}

.story-strip h3 {
  margin: 22px 0 8px;
  font-size: 1.18rem;
}

.story-strip p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

@media (max-width: 1260px) {
  .hero-grid,
  .simulator {
    grid-template-columns: 1fr;
  }

  .mission-panel {
    min-height: auto;
  }

  .right-stack,
  .story-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sequence ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .shell {
    width: calc(100vw - 20px);
    max-width: 360px;
    margin: 0 10px;
    padding-top: 10px;
    overflow: hidden;
  }

  .topbar,
  .stage-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-grid {
    min-height: auto;
    padding: 34px 0 18px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .hero-copy h1 {
    max-width: min(100%, 345px);
    font-size: clamp(2.55rem, 10.8vw, 3rem);
    line-height: 0.95;
    text-wrap: auto;
  }

  .hero-text {
    max-width: 100%;
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    width: 100%;
    max-width: 100%;
  }

  .hero-actions .primary {
    grid-column: 1 / -1;
  }

  .command {
    width: 100%;
    min-width: 0;
    padding-inline: 10px;
  }

  .mission-grid,
  .right-stack,
  .story-strip,
  .phase-brief,
  .sequence ol {
    grid-template-columns: 1fr;
  }

  .simulator,
  .operating-stage {
    padding: 10px;
  }

  .protocol-map {
    min-height: 760px;
  }

  .core {
    width: 230px;
  }

  .core-inner {
    width: 156px;
  }

  .node {
    left: 50%;
    right: auto;
    width: min(270px, calc(100% - 28px));
    transform: translateX(-50%);
  }

  .node[data-active="true"] {
    transform: translateX(-50%) translateY(-5px);
  }

  .human {
    top: 24px;
  }

  .agent {
    top: 154px;
  }

  .core {
    top: 385px;
  }

  .request {
    top: 510px;
    bottom: auto;
  }

  .host {
    top: 638px;
    bottom: auto;
  }

  .data-beam {
    display: none;
  }
}