:root {
  --bg: #04070b;
  --bg-deep: #020407;
  --panel: #0a1119;
  --panel-2: #101a26;
  --line: #243449;
  --line-hot: #405a77;
  --text: #edf4fc;
  --muted: #8da0b6;
  --gold: #ffbd59;
  --cyan: #5de3ff;
  --green: #54e0a4;
  --red: #ff6578;
  --violet: #b58cff;
  --shadow: 0 24px 80px rgba(0, 0, 0, .34);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% -8%, rgba(93, 227, 255, .12), transparent 30rem),
    radial-gradient(circle at 82% 0, rgba(255, 189, 89, .11), transparent 28rem),
    linear-gradient(180deg, #07101a 0, var(--bg) 34rem, var(--bg-deep) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}

a {
  color: inherit;
}

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

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: #06101a;
  font-weight: 900;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 16px;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 12%, rgba(255, 189, 89, .06), transparent 25rem),
    radial-gradient(circle at 50% 56%, rgba(93, 227, 255, .045), transparent 36rem);
}

.shell {
  width: min(1540px, 100%);
  margin: auto;
  padding: 14px;
}

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 26, 38, .97), rgba(6, 10, 15, .97));
  box-shadow: var(--shadow);
}

.panel::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  content: "";
  background: linear-gradient(135deg, rgba(255, 255, 255, .035), transparent 28%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr repeat(3, auto);
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 0 0 15px 15px;
  background: rgba(4, 7, 11, .91);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
  backdrop-filter: blur(18px);
}

.brand b {
  letter-spacing: .16em;
}

.brand small,
.metric small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: .68rem;
  letter-spacing: .12em;
}

.metric {
  min-width: 96px;
  text-align: right;
}

.metric b {
  font-family: var(--mono);
  font-size: .9rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 14px;
  margin-top: 14px;
}

.intro {
  overflow: hidden;
  padding: clamp(28px, 4vw, 58px);
}

.intro::before {
  position: absolute;
  right: -8rem;
  bottom: -11rem;
  width: 32rem;
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(255, 189, 89, .12), transparent 66%);
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--gold);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .18em;
}

.intro h1 {
  position: relative;
  z-index: 1;
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.8rem, 6.2vw, 6.8rem);
  line-height: .88;
  letter-spacing: -.055em;
}

.intro h1 span {
  color: var(--gold);
  text-shadow: 0 0 34px rgba(255, 189, 89, .2);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 78ch;
  margin-top: 24px;
  color: #bac9d9;
  font-size: clamp(.98rem, 1.25vw, 1.12rem);
  line-height: 1.72;
}

.actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 12px 17px;
  background: #111a26;
  color: var(--text);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .025em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, opacity .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--line-hot);
  background: #172333;
}

.btn.primary {
  border-color: var(--gold);
  background: var(--gold);
  color: #171007;
  box-shadow: 0 10px 35px rgba(255, 189, 89, .16);
}

.btn.primary:hover {
  background: #ffc970;
}

.btn.subtle {
  background: transparent;
}

.btn:disabled {
  opacity: .42;
  cursor: not-allowed;
  transform: none;
}

.hero-claim {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.hero-claim span {
  border: 1px solid rgba(93, 227, 255, .18);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(93, 227, 255, .045);
  color: #bcefff;
  font-family: var(--mono);
  font-size: .7rem;
}

.core {
  display: grid;
  min-height: 430px;
  place-items: center;
  align-content: center;
  overflow: hidden;
  padding: 30px;
}

.core-orbit {
  position: absolute;
  width: min(390px, 86%);
  aspect-ratio: 1;
  border: 1px solid rgba(93, 227, 255, .12);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(93, 227, 255, .018), 0 0 0 68px rgba(255, 189, 89, .012);
  animation: breathe 4s ease-in-out infinite;
}

.ring {
  --progress: 0%;
  position: relative;
  display: grid;
  width: min(300px, 72vw);
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--gold) var(--progress), #1a2635 0);
  box-shadow: 0 0 52px rgba(255, 189, 89, .09);
}

.ring::before {
  position: absolute;
  inset: 16px;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle at 50% 35%, #0e1c29, #071019 64%);
}

.ring span {
  position: relative;
  text-align: center;
}

.ring small {
  display: block;
  color: var(--muted);
  letter-spacing: .14em;
}

.ring b {
  display: block;
  margin: 4px 0;
  font-size: 3.7rem;
  letter-spacing: -.05em;
}

.core-caption {
  max-width: 28ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.55;
  text-align: center;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.proof-strip article {
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(8, 15, 23, .86);
}

.proof-strip small,
.proof-strip b,
.proof-strip span {
  display: block;
}

.proof-strip small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .08em;
}

.proof-strip b {
  margin-top: 8px;
  color: var(--text);
  font-size: 1.55rem;
}

.proof-strip span {
  margin-top: 4px;
  color: #8193a7;
  font-size: .74rem;
}

.mission {
  margin-top: 14px;
  padding: 20px;
  scroll-margin-top: 90px;
}

.mission-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 15px;
}

.mission-head h2,
.section-heading h2,
.submission-card h2 {
  margin: 0;
  letter-spacing: -.025em;
}

.mission-head p {
  margin: 5px 0 0;
  color: var(--muted);
}

#packet {
  white-space: nowrap;
  font-family: var(--mono);
  font-size: .85rem;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}

.system {
  min-height: 132px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px;
  background: #0a1119;
  transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
}

.system small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .66rem;
}

.system b {
  display: block;
  margin: 9px 0 5px;
  line-height: 1.15;
}

.system span {
  color: #aab9ca;
  font-size: .76rem;
  line-height: 1.38;
}

.system.active {
  transform: translateY(-5px);
  border-color: var(--gold);
  background: linear-gradient(180deg, #211a08, #111006);
  box-shadow: 0 12px 28px rgba(255, 189, 89, .1);
}

.system.done {
  border-color: rgba(84, 224, 164, .72);
  background: linear-gradient(180deg, rgba(84, 224, 164, .075), #09120f);
}

.system.failed {
  border-color: var(--red);
  background: #1b0d12;
}

.edge-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.edge {
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: #091019;
  transition: border-color .22s ease, background .22s ease, transform .22s ease;
}

.edge small {
  display: block;
  color: var(--muted);
  font-size: .62rem;
}

.edge b {
  display: block;
  margin-top: 6px;
  font-size: .78rem;
  line-height: 1.3;
}

.edge.hot {
  transform: translateY(-2px);
  border-color: var(--red);
  background: rgba(255, 101, 120, .07);
  box-shadow: 0 0 20px rgba(255, 101, 120, .08);
}

.edge.closed {
  border-color: var(--green);
  background: rgba(84, 224, 164, .06);
}

.stage-grid {
  display: grid;
  grid-template-columns: 1.22fr .78fr;
  gap: 14px;
  margin-top: 14px;
}

.stage {
  min-height: 430px;
  padding: clamp(22px, 3vw, 34px);
}

.stage-kicker {
  color: var(--gold);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .16em;
}

.stage h2 {
  max-width: 17ch;
  margin: 8px 0;
  font-size: clamp(2rem, 4.5vw, 4.5rem);
  line-height: .98;
  letter-spacing: -.045em;
}

.stage p {
  max-width: 76ch;
  color: #b8c6d6;
  line-height: 1.68;
}

.terminal {
  height: 238px;
  overflow: hidden;
  margin: 20px 0 0;
  border: 1px solid #1d2a39;
  border-radius: 12px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(93, 227, 255, .025), transparent), #020507;
  color: #bdeaff;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  box-shadow: inset 0 0 32px rgba(0, 0, 0, .48);
}

.side {
  display: grid;
  gap: 14px;
}

.telemetry,
.evidence {
  padding: 20px;
}

.bars {
  display: grid;
  gap: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: 105px 1fr 48px;
  gap: 10px;
  align-items: center;
  font-size: .78rem;
}

.bar-row > span {
  color: #c8d4e0;
  font-family: var(--mono);
}

.track {
  height: 9px;
  overflow: hidden;
  border-radius: 99px;
  background: #182331;
}

.fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), #b8f4ff);
  box-shadow: 0 0 16px rgba(93, 227, 255, .2);
  transition: width .45s ease;
}

.evidence-list {
  display: grid;
  gap: 7px;
}

.evidence-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid #1d2937;
  padding: 9px 0;
}

.evidence-item:last-child {
  border-bottom: 0;
}

.evidence-item span {
  color: var(--muted);
}

.evidence-item b {
  font-family: var(--mono);
  font-size: .78rem;
}

.verdict {
  display: none;
  margin-top: 14px;
  overflow: hidden;
  padding: clamp(30px, 5vw, 64px);
  text-align: center;
}

.verdict::before {
  position: absolute;
  inset: -50%;
  content: "";
  background: radial-gradient(circle, rgba(84, 224, 164, .11), transparent 30%);
  animation: verdictPulse 3s ease-in-out infinite;
}

.verdict > * {
  position: relative;
  z-index: 1;
}

.verdict.show {
  display: block;
}

.verdict h2 {
  margin: 6px;
  color: #f4fff9;
  font-size: clamp(2.5rem, 6vw, 6rem);
  line-height: .92;
  letter-spacing: -.055em;
}

.verdict > p {
  color: #b9c8d7;
}

.verdict-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 9px;
  margin-top: 24px;
}

.verdict-grid div {
  border: 1px solid rgba(84, 224, 164, .3);
  border-radius: 11px;
  padding: 15px;
  background: rgba(84, 224, 164, .035);
}

.verdict-grid small {
  display: block;
  color: var(--muted);
  font-size: .65rem;
}

.verdict-grid b {
  display: block;
  margin-top: 7px;
}

.publication {
  margin-top: 20px;
  color: var(--green);
  font-family: var(--mono);
  font-size: .8rem;
}

.technical-brief {
  margin-top: 64px;
}

.section-heading {
  max-width: 930px;
  margin-bottom: 20px;
}

.section-heading.compact {
  margin-bottom: 16px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: 1;
}

.section-heading p:last-child {
  color: var(--muted);
  line-height: 1.7;
}

.brief-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.brief-card {
  min-height: 245px;
  padding: 24px;
}

.brief-card small {
  color: var(--cyan);
  font-family: var(--mono);
  font-weight: 900;
}

.brief-card h3 {
  margin: 16px 0 10px;
  font-size: 1.45rem;
}

.brief-card p,
.submission-card p {
  color: var(--muted);
  line-height: 1.68;
}

.system-contracts {
  margin-top: 14px;
  padding: 24px;
}

.contract-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
}

.contract-grid article {
  min-height: 155px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: #081019;
}

.contract-grid small,
.contract-grid b,
.contract-grid span {
  display: block;
}

.contract-grid small {
  color: var(--gold);
  font-family: var(--mono);
}

.contract-grid b {
  margin-top: 12px;
}

.contract-grid span {
  margin-top: 8px;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.5;
}

.submission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.submission-card {
  padding: 26px;
}

.footer {
  display: grid;
  gap: 5px;
  padding: 34px 18px 26px;
  color: #65778b;
  text-align: center;
}

.footer b {
  color: #aebdcb;
  letter-spacing: .18em;
}

.footer span {
  font-size: .76rem;
  letter-spacing: .14em;
}

.footer small {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: .66rem;
}

@keyframes breathe {
  0%, 100% { transform: scale(.98); opacity: .65; }
  50% { transform: scale(1.02); opacity: 1; }
}

@keyframes verdictPulse {
  0%, 100% { transform: scale(.9); opacity: .65; }
  50% { transform: scale(1.05); opacity: 1; }
}

@media (max-width: 1220px) {
  .proof-strip { grid-template-columns: repeat(3, 1fr); }
  .pipeline { grid-template-columns: repeat(4, 1fr); }
  .edge-grid { grid-template-columns: repeat(4, 1fr); }
  .brief-grid,
  .contract-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1050px) {
  .hero,
  .stage-grid { grid-template-columns: 1fr; }
  .core { min-height: 380px; }
  .verdict-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .shell { padding: 7px; }
  .topbar { grid-template-columns: 1fr 1fr; gap: 10px; }
  .brand { grid-column: 1 / -1; }
  .metric { min-width: 0; text-align: left; }
  .metric:nth-of-type(3) { display: none; }
  .intro { padding: 26px 22px 30px; }
  .intro h1 { font-size: clamp(3rem, 15vw, 5.4rem); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .mission { padding: 16px; }
  .mission-head { display: grid; }
  #packet { justify-self: start; }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .edge-grid { grid-template-columns: repeat(2, 1fr); }
  .stage { padding: 20px 17px; }
  .terminal { height: 260px; font-size: .74rem; }
  .bar-row { grid-template-columns: 82px 1fr 42px; }
  .verdict-grid { grid-template-columns: repeat(2, 1fr); }
  .brief-grid,
  .contract-grid,
  .submission-grid { grid-template-columns: 1fr; }
  .technical-brief { margin-top: 42px; }
}

@media (max-width: 430px) {
  .topbar { position: relative; }
  .metric { font-size: .78rem; }
  .hero-claim span { width: 100%; text-align: center; }
  .actions .btn { width: 100%; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip article { min-height: 104px; padding: 13px; }
  .system { min-height: 120px; }
  .edge-grid { grid-template-columns: 1fr 1fr; }
  .verdict-grid { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}