:root {
  color-scheme: dark;
  --bg: #090714;
  --panel: #141023;
  --line: #342847;
  --text: #f5efff;
  --muted: #bcb2cb;
  --purple: #bc94ff;
  --green: #9de5cc;
  --red: #ffb1c1;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;
}
a {
  color: var(--purple);
  text-underline-offset: 4px;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select,
summary {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.55;
  cursor: default;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 5px;
}
.skip {
  position: absolute;
  top: -60px;
  left: 20px;
  z-index: 20;
  background: var(--bg);
  padding: 10px;
}
.skip:focus {
  top: 12px;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 24px 5%;
  position: relative;
  z-index: 2;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.13em;
  font-size: 13px;
  font-weight: 750;
}
.brand-mark {
  font-size: 30px;
  color: var(--purple);
}
.brand-sub {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
}
nav {
  display: flex;
  gap: 30px;
}
nav a {
  font-size: 13px;
  text-decoration: none;
  color: var(--muted);
}
nav a:hover {
  color: var(--text);
}
.status {
  font-size: 10px;
  letter-spacing: 0.13em;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 9px;
}
.status i {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
}
main {
  max-width: 1440px;
  margin: auto;
  padding: 0 5%;
}
.hero {
  position: relative;
  min-height: 590px;
  padding: 92px 0 60px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  align-items: center;
  gap: 20px;
}
.hero:before {
  content: '';
  position: absolute;
  inset: -90px -5% -70px;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(ellipse at 78% 50%, #48257d55, transparent 58%);
}
.eyebrow {
  color: var(--purple);
  font-size: 11px;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin: 0 0 20px;
}
h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}
h1 {
  font-size: clamp(42px, 4.7vw, 70px);
  letter-spacing: -0.055em;
  line-height: 1.09;
  font-weight: 600;
  margin-bottom: 28px;
}
em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: #d1b4ff;
}
h2 {
  font-size: clamp(32px, 3.2vw, 47px);
  letter-spacing: -0.035em;
  line-height: 1.2;
  font-weight: 550;
  margin-bottom: 0;
}
h3 {
  font-size: 22px;
  line-height: 1.3;
  font-weight: 550;
  letter-spacing: -0.02em;
}
h4 {
  font-size: 13px;
  letter-spacing: 0.04em;
}
.lede {
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 28px 0 20px;
}
.button {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px 19px;
  display: inline-flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  text-decoration: none;
  font-weight: 650;
  color: var(--text);
  background: transparent;
}
.primary {
  background: #ceb1ff;
  color: #180f29;
  border-color: #ceb1ff;
}
.primary:hover {
  background: #e1cdff;
}
.secondary:hover {
  border-color: var(--purple);
  background: #241737;
}
.caption,
.boundary {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.orbital {
  height: 430px;
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.star-core {
  height: 136px;
  width: 136px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font: italic 88px/1 Georgia, serif;
  background: radial-gradient(
    circle at 35% 30%,
    #e9d5ff,
    #8a49d3 43%,
    #2f1557 72%
  );
  box-shadow: 0 0 75px #9e5df766, inset -12px -10px 25px #05020a;
  color: #f2e4ff;
}
.orbit {
  position: absolute;
  width: 300px;
  height: 300px;
  border: 1px solid #ab76e944;
  border-radius: 50%;
  transform: rotate(-26deg) scaleY(0.65);
}
.orbit-two {
  width: 410px;
  height: 410px;
  transform: rotate(35deg) scaleY(0.76);
  border-color: #9664cc40;
}
.orbit-three {
  width: 350px;
  height: 350px;
  transform: rotate(-70deg) scaleY(0.52);
}
.orbital-label {
  position: absolute;
  font-size: 9px;
  color: #d0b5f2;
  letter-spacing: 0.2em;
  background: var(--bg);
  padding: 5px 9px;
  border: 1px solid #48335f;
  border-radius: 4px;
}
.label-one {
  top: 57px;
  right: 2%;
}
.label-two {
  bottom: 63px;
  left: 0;
}
.label-three {
  bottom: 25px;
  right: 1%;
}
.star {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #e2c8ff;
  box-shadow: 0 0 15px #ab69ff;
}
.s1 {
  top: 110px;
  left: 75px;
}
.s2 {
  bottom: 95px;
  right: 65px;
}
.s3 {
  top: 85px;
  right: 105px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #120c20;
}
.metrics article {
  padding: 27px 30px;
}
.metrics article + article {
  border-left: 1px solid var(--line);
}
.metric {
  font: 32px/1.3 Georgia, serif;
  color: #eadbff;
}
.metrics p {
  font-size: 11px;
  color: var(--muted);
  margin: 10px 0 0;
}
.boundary {
  padding: 16px 0;
  max-width: 1050px;
}
.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
.section-heading {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 38px;
}
.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 500px;
}
.workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
label {
  display: block;
  font-size: 12px;
  font-weight: 650;
  color: var(--muted);
}
input,
select {
  width: 100%;
  background: #0c0917;
  color: var(--text);
  border: 1px solid #574264;
  border-radius: 6px;
  padding: 11px 13px;
  margin: 8px 0 0;
}
select {
  margin-bottom: 20px;
}
.template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.template {
  background: #141022;
  color: var(--muted);
  text-align: left;
  padding: 16px;
  border-radius: 7px;
  border: 1px solid var(--line);
  font-size: 13px;
  min-height: 70px;
}
.template:hover,
.template[aria-pressed='true'] {
  color: var(--text);
  border-color: var(--purple);
  background: #25173e;
}
.template span {
  display: block;
  font-size: 9px;
  color: var(--purple);
  letter-spacing: 0.12em;
  margin-bottom: 5px;
}
.card,
.task-panel {
  border: 1px solid var(--line);
  background: linear-gradient(130deg, #1c142a, #100c1b);
  border-radius: 10px;
  padding: 30px;
}
.task-panel {
  border-top: 2px solid var(--purple);
}
.panel-heading {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}
.pill {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #dbc6ff;
  background: #38234d;
  padding: 5px 8px;
  border-radius: 4px;
}
.pill.muted {
  background: #231c30;
  color: var(--muted);
}
.task-panel > p,
.card > p {
  font-size: 14px;
  color: var(--muted);
}
li {
  margin-bottom: 10px;
}
.task-panel ul {
  padding-left: 20px;
  color: var(--muted);
  font-size: 13px;
}
.task-meta {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 25px;
}
.task-meta p {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
}
.task-meta span {
  color: var(--muted);
}
.task-meta strong {
  font-weight: 500;
}
.task-panel .caption {
  margin-top: 12px;
}
details {
  margin-top: 20px;
  font-size: 12px;
}
summary {
  cursor: pointer;
  color: var(--purple);
}
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #090714;
  padding: 16px;
  border-radius: 5px;
  max-height: 350px;
  overflow: auto;
  font-size: 11px;
}
.digest {
  overflow-wrap: anywhere;
  font-family: monospace;
  font-size: 11px;
  margin-top: 15px;
  color: var(--green);
}
.architecture {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #100b1b;
  margin-bottom: 24px;
}
.evidence-grid,
.capacity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.text-button {
  background: transparent;
  border: 0;
  color: var(--purple);
  padding: 10px 0;
  text-align: left;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.checks {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 5px;
  font-size: 12px;
}
.checks li {
  margin: 0;
}
.pass {
  color: var(--green);
}
.fail {
  color: var(--red);
}
.file-label {
  margin-top: 22px;
}
.file-label span {
  font-weight: 400;
}
input[type='file'] {
  font-size: 12px;
  padding: 9px;
}
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.input-grid + .caption {
  margin-top: 25px;
}
.capacity-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.big-value {
  font: clamp(34px, 4.3vw, 62px) / 1.2 Georgia, serif !important;
  color: #e4d2ff !important;
  margin: 5px 0 14px;
  overflow-wrap: anywhere;
}
.capacity-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 20px;
  gap: 14px;
}
.capacity-detail strong {
  display: block;
  font-size: 20px;
  font-weight: 500;
}
.capacity-detail span {
  color: var(--muted);
  font-size: 11px;
}
.horizon {
  background: radial-gradient(ellipse at 50% 30%, #41226233, transparent 70%);
}
.horizon-grid,
.connection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 42px;
}
.horizon-grid article {
  border-left: 1px solid #614281;
  padding-left: 24px;
}
.horizon-grid span {
  font-size: 11px;
  color: var(--purple);
}
.horizon-grid h3 {
  font-size: 20px;
  margin: 14px 0;
}
.horizon-grid p {
  font-size: 13px;
  color: var(--muted);
}
.engine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.engine-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.engine-card p {
  color: var(--muted);
  font-size: 13px;
}
.engine-card a {
  font-size: 12px;
  margin-top: auto;
}
.engine-card code {
  display: block;
  font-size: 11px;
  overflow-wrap: anywhere;
  line-height: 1.7;
  color: #d9bfff;
  background: #161023;
  padding: 12px;
  border-radius: 5px;
}
.engine-card button {
  align-self: start;
}
.connection-grid {
  gap: 20px;
  margin-top: 0;
}
.connection-grid .card {
  padding: 25px;
}
.connection-grid a {
  font-size: 12px;
}
.connection-grid h3 {
  font-size: 20px;
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  max-width: 1440px;
  margin: auto;
  padding: 32px 5%;
  border-top: 1px solid var(--line);
}
footer p,
footer > a:last-child {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}
.noscript {
  padding: 25px;
  text-align: center;
  background: #321d42;
}
@media (max-width: 1000px) {
  .brand-sub,
  .status {
    display: none;
  }
  .hero {
    grid-template-columns: 1.4fr 1fr;
  }
  .orbital {
    transform: scale(0.8);
    transform-origin: center;
  }
  .section-heading {
    gap: 30px;
  }
  .engine-grid {
    grid-template-columns: 1fr 1fr;
  }
  .connection-grid {
    grid-template-columns: 1fr;
  }
  .section-heading > p {
    font-size: 13px;
  }
}
@media (max-width: 700px) {
  .topbar {
    padding: 18px 5%;
    flex-wrap: wrap;
    gap: 12px;
  }
  .brand {
    font-size: 11px;
  }
  nav {
    gap: 18px;
  }
  nav a {
    font-size: 11px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 45px;
    gap: 0;
  }
  .hero-copy {
    z-index: 1;
  }
  .orbital {
    height: 320px;
    max-width: 100%;
    margin-top: -5px;
    overflow: hidden;
  }
  .hero {
    padding-bottom: 20px;
    min-height: 0;
  }
  .orbit-two {
    width: 350px;
    height: 350px;
  }
  .lede {
    font-size: 15px;
  }
  .metrics {
    grid-template-columns: 1fr;
  }
  .metrics article {
    padding: 20px 24px;
  }
  .metrics article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .metric {
    font-size: 28px;
  }
  .section {
    padding: 45px 0;
  }
  .section-heading,
  .workspace,
  .evidence-grid,
  .capacity-grid,
  .horizon-grid,
  .engine-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .section-heading {
    margin-bottom: 25px;
  }
  .section-heading h2 {
    font-size: 34px;
  }
  .card,
  .task-panel {
    padding: 22px;
  }
  .template {
    padding: 12px;
    font-size: 12px;
  }
  .architecture {
    min-height: 180px;
    object-fit: contain;
  }
  .input-grid {
    gap: 16px;
  }
  .horizon-grid {
    margin-top: 28px;
  }
  footer {
    flex-direction: column;
    align-items: start;
  }
  .capacity-detail strong {
    font-size: 18px;
  }
  h1 {
    font-size: 45px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}