:root {
  color-scheme: light dark;
  --page-bg: #f3efe4;
  --panel-bg: rgba(255, 251, 244, 0.78);
  --panel-border: rgba(45, 63, 91, 0.12);
  --panel-solid: rgba(255, 251, 244, 0.92);
  --text-main: #18253a;
  --text-muted: #53617b;
  --accent: #285b9e;
  --accent-soft: rgba(40, 91, 158, 0.12);
  --accent-strong: #173e74;
  --hero-text-main: #10233f;
  --hero-text-muted: #415a7d;
  --hero-chip-bg: rgba(255, 252, 247, 0.88);
  --hero-chip-border: rgba(35, 58, 92, 0.14);
  --hero-button-bg: rgba(255, 252, 247, 0.8);
  --hero-card-bg: rgba(255, 252, 247, 0.78);
  --code-bg: rgba(255, 255, 255, 0.52);
  --table-stripe: rgba(255, 255, 255, 0.24);
  --hero-line: rgba(58, 86, 126, 0.18);
  --star-glow: rgba(236, 186, 88, 0.34);
  --shadow: 0 24px 80px rgba(22, 36, 58, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-bg: #07111d;
    --panel-bg: rgba(7, 16, 29, 0.82);
    --panel-border: rgba(156, 188, 233, 0.18);
    --panel-solid: rgba(7, 16, 29, 0.94);
    --text-main: #e7eef9;
    --text-muted: #9cb0cb;
    --accent: #9fd0ff;
    --accent-soft: rgba(159, 208, 255, 0.14);
    --accent-strong: #d9edff;
    --hero-text-main: #f2f7ff;
    --hero-text-muted: #d6e3f8;
    --hero-chip-bg: rgba(15, 24, 40, 0.42);
    --hero-chip-border: rgba(156, 188, 233, 0.18);
    --hero-button-bg: rgba(15, 24, 40, 0.42);
    --hero-card-bg: rgba(15, 24, 40, 0.4);
    --code-bg: rgba(15, 23, 42, 0.42);
    --table-stripe: rgba(15, 23, 42, 0.18);
    --hero-line: rgba(151, 191, 247, 0.16);
    --star-glow: rgba(255, 213, 125, 0.2);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 1rem 0 2rem;
  color: var(--text-main);
  font-family:
    'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Palatino, Georgia,
    serif;
  background:
    radial-gradient(circle at 12% 8%, var(--star-glow), transparent 22%),
    radial-gradient(
      circle at 82% 0%,
      rgba(95, 150, 227, 0.18),
      transparent 28%
    ),
    radial-gradient(
      circle at 50% 24%,
      rgba(255, 255, 255, 0.26),
      transparent 18%
    ),
    radial-gradient(
      circle at top left,
      rgba(250, 204, 21, 0.2),
      transparent 34%
    ),
    radial-gradient(
      circle at top right,
      rgba(14, 165, 233, 0.14),
      transparent 32%
    ),
    linear-gradient(
      180deg,
      var(--page-bg),
      color-mix(in srgb, var(--page-bg) 84%, white)
    );
}

.site-chrome,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-chrome {
  display: flex;
  justify-content: flex-end;
  padding-top: 0.25rem;
}

.site-chrome-link,
.site-footer-link {
  text-decoration: none;
}

.site-chrome-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  color: var(--accent-strong);
  font:
    600 0.92rem/1 system-ui,
    sans-serif;
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

h1,
h2,
h3 {
  margin: 0;
}

p,
li,
td,
th,
pre,
code,
a,
label,
.eyebrow,
.button-link,
.chip,
.event-log {
  font-family: system-ui, sans-serif;
}

p,
li {
  color: var(--text-muted);
  line-height: 1.6;
}

a {
  color: inherit;
}

.hero,
.panel {
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1.4rem;
  margin-bottom: 2rem;
  padding: 2.25rem;
  border-radius: 34px;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.24),
      rgba(255, 255, 255, 0.08)
    ),
    radial-gradient(
      circle at 18% 18%,
      rgba(255, 225, 156, 0.18),
      transparent 18%
    ),
    linear-gradient(135deg, rgba(93, 129, 190, 0.1), transparent 56%);
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 18px;
  border: 1px solid var(--hero-line);
  border-radius: 26px;
}

.hero::after {
  width: 420px;
  height: 420px;
  top: -180px;
  right: -120px;
  background: radial-gradient(
    circle,
    rgba(255, 226, 162, 0.12),
    transparent 60%
  );
  filter: blur(12px);
}

.hero-grid,
.component-layout,
.docs-grid,
.split-grid,
.expectation-grid {
  display: grid;
  gap: 1.2rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: end;
}

.hero-copy,
.section-stack {
  display: grid;
  gap: 1rem;
}

.eyebrow {
  color: var(--accent);
  font:
    600 0.8rem/1.2 'SFMono-Regular',
    SFMono-Regular,
    ui-monospace,
    Menlo,
    Monaco,
    Consolas,
    monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: var(--hero-text-main);
}

.hero p {
  width: min(64ch, 100%);
  margin: 0;
  font-size: 1.06rem;
  color: var(--hero-text-muted);
}

.hero ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
  color: var(--hero-text-muted);
}

.hero-actions,
.action-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  color: var(--text-main);
  text-decoration: none;
  background: var(--accent-soft);
  font-weight: 600;
}

.hero .button-link {
  background: var(--hero-button-bg);
  border-color: var(--hero-chip-border);
  color: var(--hero-text-main);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero .chip {
  background: var(--hero-chip-bg);
  border-color: var(--hero-chip-border);
  color: var(--hero-text-muted);
}

.panel {
  border-radius: 28px;
  padding: 1.35rem;
}

.section-card {
  display: grid;
  gap: 0.8rem;
}

.section-card h2 {
  font-size: 1.45rem;
}

.constellation-card {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 20% 18%,
      rgba(255, 228, 168, 0.18),
      transparent 18%
    ),
    radial-gradient(
      circle at 76% 26%,
      rgba(146, 188, 255, 0.18),
      transparent 24%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.34),
      rgba(255, 255, 255, 0.06)
    );
}

.constellation-card::before,
.constellation-card::after {
  content: '';
  position: absolute;
  inset: 0;
}

.constellation-card::before {
  background:
    radial-gradient(circle at 16% 24%, currentColor 0 1px, transparent 2px),
    radial-gradient(circle at 34% 42%, currentColor 0 1.4px, transparent 2.4px),
    radial-gradient(circle at 48% 18%, currentColor 0 1px, transparent 2px),
    radial-gradient(circle at 66% 50%, currentColor 0 1.4px, transparent 2.4px),
    radial-gradient(circle at 84% 24%, currentColor 0 1px, transparent 2px),
    radial-gradient(circle at 60% 76%, currentColor 0 1.4px, transparent 2.4px),
    radial-gradient(circle at 26% 72%, currentColor 0 1px, transparent 2px);
  opacity: 0.55;
}

.constellation-card::after {
  background:
    linear-gradient(
      130deg,
      transparent 15%,
      currentColor 16% 16.6%,
      transparent 17%
    ),
    linear-gradient(
      211deg,
      transparent 39%,
      currentColor 39.8% 40.4%,
      transparent 41%
    ),
    linear-gradient(
      151deg,
      transparent 56%,
      currentColor 56.8% 57.4%,
      transparent 58%
    );
  opacity: 0.14;
}

.constellation-copy {
  position: absolute;
  inset: auto 1.2rem 1.2rem 1.2rem;
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: var(--hero-card-bg);
  backdrop-filter: blur(12px);
}

.constellation-copy strong {
  color: var(--hero-text-main);
}

.constellation-copy p {
  color: var(--hero-text-muted);
}

.docs-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.component-card,
.preview-card,
.table-card {
  display: grid;
  gap: 1rem;
}

.component-card .preview-shell {
  min-height: 240px;
}

.component-card h2,
.preview-card h2 {
  font-size: 1.6rem;
}

.meta {
  color: var(--accent-strong);
  font:
    600 0.82rem/1.3 'SFMono-Regular',
    SFMono-Regular,
    ui-monospace,
    Menlo,
    Monaco,
    Consolas,
    monospace;
}

.preview-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.14),
      rgba(255, 255, 255, 0.04)
    ),
    radial-gradient(
      circle at top left,
      rgba(255, 233, 177, 0.22),
      transparent 24%
    );
}

.preview-shell.light {
  background-color: #edf3fb;
}

.preview-shell.dark {
  background-color: #091321;
}

.preview-shell lumens-starmap-banner {
  display: block;
  width: 100%;
  min-height: 240px;
}

.preview-overlay {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  z-index: 1;
  display: grid;
  gap: 0.35rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(38, 58, 90, 0.16);
  border-radius: 18px;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(18, 30, 48, 0.24);
}

.preview-shell.dark .preview-overlay {
  border-color: var(--panel-border);
  background: rgba(7, 16, 29, 0.74);
}

.preview-overlay strong,
.preview-overlay span {
  font-family: system-ui, sans-serif;
}

.preview-overlay strong {
  color: #24395c;
  font-size: 0.98rem;
}

.preview-overlay span {
  color: #5c7398;
  font-size: 0.92rem;
  line-height: 1.45;
}

.preview-shell.dark .preview-overlay strong {
  color: var(--text-main);
}

.preview-shell.dark .preview-overlay span {
  color: var(--text-muted);
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  padding: 0.85rem 0.95rem;
  border-bottom: 1px solid var(--panel-border);
  text-align: left;
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background: var(--table-stripe);
}

th {
  background: rgba(255, 255, 255, 0.18);
  color: var(--text-main);
  font-size: 0.92rem;
}

td code,
th code {
  font-size: 0.92rem;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  background: var(--code-bg);
  color: var(--text-main);
  line-height: 1.55;
}

.event-log {
  min-height: 5.5rem;
  white-space: pre-wrap;
}

.callout {
  padding: 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.18);
}

.expectation-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.subtle-list {
  margin: 0;
  padding-left: 1.2rem;
}

.route-link {
  color: var(--accent-strong);
  text-decoration: none;
}

.route-link:hover,
.button-link:hover,
.site-chrome-link:hover,
.site-footer-link:hover {
  text-decoration: underline;
}

.site-footer {
  display: flex;
  justify-content: center;
}

.site-footer p {
  margin: 0;
  text-align: center;
  font-size: 0.98rem;
}

.site-footer-link {
  color: var(--accent-strong);
  font-weight: 600;
}

@media (max-width: 860px) {
  .hero-grid,
  .component-layout,
  .split-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }

  .preview-overlay {
    inset: auto 0.75rem 0.75rem 0.75rem;
    padding: 0.8rem 0.85rem;
  }

  .site-chrome {
    justify-content: center;
  }
}