:root {
  --bg: #070811;
  --panel: rgba(18, 20, 38, 0.72);
  --panel-strong: #111426;
  --text: #f6f7fb;
  --muted: #9aa3bb;
  --cyan: #6ef3ff;
  --purple: #ab7cff;
  --pink: #ff6fc8;
  --line: rgba(255,255,255,.10);
  --shadow: 0 24px 80px rgba(0,0,0,.38);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(74, 71, 255, .24), transparent 30rem),
    radial-gradient(circle at 85% 25%, rgba(255, 70, 190, .16), transparent 32rem),
    linear-gradient(180deg, #080913 0%, #0b0d18 50%, #070811 100%);
  overflow-x: hidden;
}

body.alt-theme {
  --cyan: #ffe76a;
  --purple: #ff8e5f;
  --pink: #ff6f91;
  background:
    radial-gradient(circle at 15% 12%, rgba(255, 160, 80, .24), transparent 30rem),
    radial-gradient(circle at 82% 18%, rgba(255, 90, 125, .18), transparent 32rem),
    linear-gradient(180deg, #100908 0%, #130d0b 55%, #080706 100%);
}

a { color: inherit; text-decoration: none; }

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

button {
  font: inherit;
  color: inherit;
}

code {
  color: var(--cyan);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
  border-radius: .4rem;
  padding: .08rem .3rem;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 900;
  letter-spacing: .08em;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  color: var(--muted);
}

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

.ghost-button,
.primary-button,
.secondary-button {
  border-radius: .8rem;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.ghost-button {
  padding: .6rem .8rem;
  background: rgba(255,255,255,.04);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1rem;
}

.primary-button {
  border-color: transparent;
  color: #06070b;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cyan), #d6fbff);
  box-shadow: 0 12px 40px rgba(110,243,255,.18);
}

.secondary-button {
  background: rgba(255,255,255,.04);
}

.ghost-button:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 0 4rem;
}

.hero h1 {
  max-width: 780px;
  margin: 1.25rem 0 1rem;
  font-size: clamp(3rem, 7vw, 6.7rem);
  line-height: .94;
  letter-spacing: -.055em;
}

.hero p {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: .8rem;
  margin-top: 1.7rem;
}

.status-row {
  display: flex;
  gap: .5rem;
  margin-top: 1.5rem;
  color: var(--muted);
}

.status-row strong { color: var(--cyan); }

.orbital-card {
  position: relative;
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 2rem;
  overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.02), rgba(255,255,255,.01)),
    radial-gradient(circle at center, rgba(110,243,255,.10), transparent 45%);
  box-shadow: var(--shadow);
}

.orbital-card::before,
.orbital-card::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}

.orbital-card::after {
  inset: 28%;
  animation-duration: 11s;
  animation-direction: reverse;
}

.orb {
  position: absolute;
  width: 90px;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-a {
  top: 16%;
  left: 18%;
  background: var(--purple);
  box-shadow: 0 0 70px color-mix(in srgb, var(--purple), transparent 30%);
}

.orb-b {
  right: 16%;
  bottom: 18%;
  width: 70px;
  background: var(--pink);
  box-shadow: 0 0 70px color-mix(in srgb, var(--pink), transparent 35%);
}

.center-mark {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 120px;
  transform: translate(-50%, -50%);
  animation: float 4s ease-in-out infinite;
}

.center-mark img {
  display: block;
  width: 100%;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 2rem 0 5rem;
}

.feature-card,
.console-panel,
.meter-section {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.feature-card {
  min-height: 230px;
  padding: 1.4rem;
  border-radius: 1.2rem;
}

.eyebrow {
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .14em;
  font-weight: 800;
}

.feature-card h2 {
  margin: 1.8rem 0 .7rem;
  font-size: 1.3rem;
}

.feature-card p {
  color: var(--muted);
  line-height: 1.65;
}

.console-panel {
  overflow: hidden;
  border-radius: 1.2rem;
}

.console-titlebar {
  min-height: 50px;
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
}

.console-titlebar span {
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
}

.console-titlebar strong {
  margin-left: .45rem;
  color: var(--muted);
  font-size: .8rem;
}

pre {
  min-height: 260px;
  margin: 0;
  padding: 1.4rem;
  overflow: auto;
  color: #b9ffd1;
  font: .92rem/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.meter-section {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 2rem;
  margin: 1rem 0 5rem;
  padding: 1.4rem;
  border-radius: 1.2rem;
}

.meter-section h2 {
  margin: .35rem 0 0;
  font-size: 3.4rem;
}

.meter {
  height: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}

.meter-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink));
  transition: width .35s ease;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 0 2rem;
  color: var(--muted);
  font-size: .85rem;
}

.is-pulsing {
  animation: pulsePage .5s ease;
}

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

@keyframes float {
  0%, 100% { transform: translate(-50%, -50%) translateY(-8px) rotate(-3deg); }
  50% { transform: translate(-50%, -50%) translateY(8px) rotate(3deg); }
}

@keyframes pulsePage {
  0% { filter: brightness(1); }
  50% { filter: brightness(1.15); }
  100% { filter: brightness(1); }
}

@media (max-width: 850px) {
  nav a { display: none; }

  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 4rem;
  }

  .orbital-card { min-height: 320px; }

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

  .meter-section { grid-template-columns: 1fr; }

  footer { flex-direction: column; }
}

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