:root {
  color-scheme: dark;
  --bg: #050609;
  --ink: #f4f8fb;
  --muted: #9aa9b6;
  --soft: #d8e8f1;
  --line: rgba(216, 232, 241, 0.14);
  --line-strong: rgba(216, 232, 241, 0.28);
  --cyan: #5ce8ff;
  --green: #8dffb0;
  --radius: 24px;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(110deg, rgba(92, 232, 255, 0.08), transparent 34%),
    radial-gradient(circle at 78% 12%, rgba(141, 255, 176, 0.13), transparent 28%),
    linear-gradient(180deg, #050609 0%, #070a0f 50%, #050609 100%);
  color: var(--ink);
  font-family: "Aptos", "SF Pro Display", "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(216, 232, 241, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 232, 241, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.86), transparent 82%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.045;
  background-image: repeating-radial-gradient(circle at 20% 30%, rgba(255,255,255,0.8) 0 1px, transparent 1px 5px);
  mix-blend-mode: screen;
}

a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 8, 12, 0.74);
  backdrop-filter: blur(22px);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.24);
}

.brand, .nav-links, .nav-action, .button, .footer-links a { text-decoration: none; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-left: 8px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(92, 232, 255, 0.42);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(92, 232, 255, 0.22), rgba(141, 255, 176, 0.08));
  color: var(--cyan);
  font-family: "SF Mono", "Cascadia Mono", ui-monospace, monospace;
  font-size: 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}

.brand-text {
  font-size: 12px;
  letter-spacing: 0.18em;
}

.nav-links {
  display: flex;
  gap: 4px;
  color: var(--muted);
  font-size: 13px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  transition: color 600ms var(--ease), background 600ms var(--ease);
}

.nav-links a:hover {
  background: rgba(216, 232, 241, 0.08);
  color: var(--ink);
}

.nav-action {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 4px 5px 4px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: #061016;
  font-size: 13px;
  font-weight: 800;
  transition: transform 600ms var(--ease);
}

.nav-action:hover, .button:hover { transform: translateY(-1px); }
.nav-action:active, .button:active { transform: scale(0.98); }

.nav-action i, .button i {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(6, 16, 22, 0.09);
  font-style: normal;
  transition: transform 600ms var(--ease), background 600ms var(--ease);
}

.nav-action:hover i, .button:hover i { transform: translate(2px, -1px); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.82fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  min-height: 100dvh;
  padding: clamp(90px, 12vw, 156px) clamp(18px, 6vw, 86px) clamp(52px, 7vw, 86px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 22px;
  padding: 8px 11px;
  border: 1px solid rgba(92, 232, 255, 0.24);
  border-radius: 999px;
  background: rgba(92, 232, 255, 0.06);
  color: var(--cyan);
  font-family: "SF Mono", "Cascadia Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 980px;
  margin-bottom: 28px;
  font-size: clamp(54px, 8vw, 116px);
  font-weight: 760;
  line-height: 0.94;
}

h2 {
  max-width: 980px;
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 720;
  line-height: 1.02;
}

h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-lede {
  max-width: 740px;
  color: var(--muted);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.72;
}

.hero-actions, .pilot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 6px 7px 6px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-weight: 800;
  transition: transform 600ms var(--ease), border-color 600ms var(--ease), background 600ms var(--ease);
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #041014;
}

.button.secondary {
  background: rgba(216, 232, 241, 0.06);
  color: var(--ink);
}

.button.secondary i { background: rgba(255,255,255,0.08); }

.workbench {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(216, 232, 241, 0.05);
  box-shadow: 0 40px 120px rgba(0,0,0,0.35);
}

.workbench-shell {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  padding: 24px;
  border: 1px solid rgba(216, 232, 241, 0.14);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 36%, rgba(92, 232, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(16, 24, 32, 0.96), rgba(5, 8, 12, 0.98));
}

.scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(92,232,255,0.08), transparent);
  transform: translateY(-100%);
  animation: scan 5.6s var(--ease) infinite;
}

.panel-head, .signal-core, .metric-grid, .route-map { position: relative; }

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.panel-head span, .track-top span, .score-stack p, .metric-grid span, .route-map, .step span {
  color: var(--muted);
  font-family: "SF Mono", "Cascadia Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.panel-head strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.panel-head em {
  height: fit-content;
  padding: 7px 9px;
  border: 1px solid rgba(141, 255, 176, 0.34);
  border-radius: 999px;
  color: var(--green);
  font-style: normal;
  font-size: 11px;
  font-weight: 800;
}

.signal-core {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 18px;
  align-items: center;
  min-height: 260px;
}

.orbital {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
}

.orbital span {
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(92, 232, 255, 0.28);
  border-radius: 50%;
}

.orbital span:nth-child(2) {
  transform: rotateX(64deg);
  border-color: rgba(141, 255, 176, 0.25);
}

.orbital span:nth-child(3) { transform: rotateY(64deg); }

.orbital b {
  display: grid;
  place-items: center;
  width: 102px;
  height: 102px;
  border: 1px solid rgba(92, 232, 255, 0.45);
  border-radius: 50%;
  background: rgba(92, 232, 255, 0.08);
  color: var(--cyan);
  font-size: 24px;
  box-shadow: 0 0 48px rgba(92, 232, 255, 0.14);
}

.score-stack strong {
  display: block;
  font-size: 86px;
  line-height: 0.9;
}

.score-stack small { color: var(--green); }

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

.metric-grid div, .route-map div, .feature-card, .track-card, .step, .console, .pilot-panel {
  border: 1px solid var(--line);
  background: rgba(216, 232, 241, 0.055);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.metric-grid div {
  padding: 15px;
  border-radius: 16px;
}

.metric-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.route-map {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}

.route-map div {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 14px;
  border-radius: 999px;
}

.route-map span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(92, 232, 255, 0.8);
}

.ticker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 clamp(18px, 6vw, 86px) 56px;
}

.ticker span {
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(216, 232, 241, 0.04);
  color: var(--muted);
  font-family: "SF Mono", "Cascadia Mono", ui-monospace, monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.section {
  padding: clamp(76px, 10vw, 132px) clamp(18px, 6vw, 86px);
  border-top: 1px solid var(--line);
}

.section-kicker {
  display: grid;
  grid-template-columns: 0.56fr 1.25fr;
  gap: clamp(26px, 5vw, 72px);
  align-items: start;
  margin-bottom: 42px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr;
  grid-template-rows: repeat(2, minmax(210px, auto));
  gap: 14px;
}

.feature-card, .track-card, .step, .pilot-panel {
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 34px);
}

.feature-card.tall { grid-row: span 2; }

.feature-card span {
  color: var(--cyan);
  font-family: "SF Mono", "Cascadia Mono", ui-monospace, monospace;
}

.feature-card p, .track-card li, .step p, .proof-copy p, .pilot-panel p, .site-footer p {
  color: var(--muted);
  line-height: 1.68;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.track-card {
  position: relative;
  overflow: hidden;
  min-height: 440px;
}

.track-card::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -30%;
  width: 360px;
  aspect-ratio: 1;
  border: 1px solid rgba(92,232,255,0.12);
  border-radius: 50%;
}

.track-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 92px;
}

.track-top strong { color: var(--cyan); }

.track-card h3 {
  max-width: 650px;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.04;
}

.track-card ul {
  position: relative;
  display: grid;
  gap: 12px;
  max-width: 560px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.track-card li { padding-left: 22px; }

.track-card li::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  margin: 9px 0 0 -22px;
  border-radius: 50%;
  background: var(--cyan);
}

.education { background: rgba(141, 255, 176, 0.055); }

.system { background: linear-gradient(180deg, rgba(92, 232, 255, 0.055), transparent); }

.system-copy {
  max-width: 930px;
  margin-bottom: 46px;
}

.system-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.step {
  min-height: 270px;
  border: 0;
  border-radius: calc(var(--radius) - 2px);
}

.step span { color: var(--cyan); }

.proof {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.console {
  overflow: hidden;
  border-radius: var(--radius);
}

.console-top {
  display: flex;
  gap: 8px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.console-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}

pre {
  margin: 0;
  padding: clamp(20px, 3vw, 34px);
  overflow: auto;
  color: #d9edf6;
  font-family: "SF Mono", "Cascadia Mono", ui-monospace, monospace;
  font-size: 14px;
  line-height: 1.75;
}

.pilot {
  border-top: 0;
  padding-top: 40px;
}

.pilot-panel {
  max-width: 1160px;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 72px);
  background:
    linear-gradient(135deg, rgba(92, 232, 255, 0.13), rgba(141, 255, 176, 0.06)),
    rgba(216, 232, 241, 0.05);
}

.pilot-panel p {
  max-width: 760px;
  font-size: 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 36px clamp(18px, 6vw, 86px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  display: block;
  color: var(--ink);
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a { font-weight: 800; }

.reveal {
  transform: translateY(34px);
  opacity: 0;
  filter: blur(8px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease), filter 900ms var(--ease);
}

.reveal.visible {
  transform: translateY(0);
  opacity: 1;
  filter: blur(0);
}

@keyframes scan {
  0% { transform: translateY(-100%); opacity: 0; }
  14% { opacity: 1; }
  62% { opacity: 0.55; }
  100% { transform: translateY(100%); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
  .reveal {
    transform: none;
    opacity: 1;
    filter: none;
  }
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav-links { display: none; }
  .hero, .section-kicker, .intro-grid, .track-grid, .system-steps, .proof { grid-template-columns: 1fr; }
  .hero {
    min-height: auto;
    padding-top: 116px;
  }
  .workbench { max-width: 680px; }
  .workbench-shell { min-height: 560px; }
  .feature-card.tall { grid-row: auto; }
  .track-card { min-height: auto; }
  .track-top { margin-bottom: 54px; }
}

@media (max-width: 620px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }
  .brand-text { display: none; }
  .nav-action { padding-left: 14px; }
  .nav-action span { display: none; }
  .hero, .section {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero { padding-top: 96px; }
  .signal-core, .metric-grid { grid-template-columns: 1fr; }
  .workbench-shell {
    min-height: auto;
    padding: 18px;
  }
  .orbital {
    max-width: 260px;
    margin: 0 auto;
  }
  .score-stack { text-align: center; }
  .track-card h3 { font-size: 30px; }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 30px 16px;
  }
}