:root {
  color-scheme: dark;
  --page: #0d1117;
  --surface: #161b22;
  --surface-raised: #1c2128;
  --border: #30363d;
  --text: #f0f6fc;
  --muted: #a6b0bb;
  --link: #58a6ff;
  --rat: #d29922;
  font-family: system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 1rem;
}

body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(ellipse at 50% -20rem, rgb(210 153 34 / 12%), transparent 44rem), var(--page);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #8cc4ff;
  text-decoration-thickness: 2px;
}

a:focus-visible {
  border-radius: 0.2rem;
  outline: 3px solid var(--rat);
  outline-offset: 4px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

code {
  color: #f0c674;
  overflow-wrap: anywhere;
}

.page-shell {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  z-index: 2;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-160%);
  border: 1px solid var(--rat);
  border-radius: 0.4rem;
  background: var(--surface);
  color: var(--text);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgb(13 17 23 / 72%);
}

.header-inner {
  display: flex;
  min-height: 6rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: block;
  width: min(100%, 15rem);
  flex: 0 1 15rem;
}

.brand img {
  width: 100%;
  border-radius: 0.55rem;
}

.site-header nav,
.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-header nav a,
.footer-links a {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.site-header nav a:hover,
.footer-links a:hover {
  color: var(--link);
}

.nav-github {
  padding: 0.48rem 0.8rem;
  border: 1px solid #6e7681;
  border-radius: 0.45rem;
}

.hero {
  max-width: 54rem;
  padding-block: clamp(4.5rem, 11vw, 8rem) 5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--rat);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
p,
figure {
  margin-top: 0;
}

h1,
h2 {
  color: var(--text);
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 8vw, 5.25rem);
  letter-spacing: -0.055em;
}

h1 span {
  color: #f0b72f;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
  letter-spacing: -0.035em;
}

.hero-copy {
  max-width: 43rem;
  margin-bottom: 1.25rem;
  color: #d0d7de;
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
}

.model-note {
  max-width: 42rem;
  margin-bottom: 1.75rem;
  color: var(--muted);
}

.model-note strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border: 1px solid #f0b72f;
  border-radius: 0.45rem;
  background: #d29922;
  color: #0d1117;
  font-weight: 750;
  text-decoration: none;
}

.button:hover {
  background: #f0b72f;
  color: #0d1117;
}

.text-link {
  font-weight: 650;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.feature-panel {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: linear-gradient(150deg, rgb(28 33 40 / 80%), rgb(22 27 34 / 92%));
}

.feature-panel > p:not(.eyebrow),
.section-heading > p:not(.eyebrow),
.transparency-section > p:not(.eyebrow) {
  color: var(--muted);
}

.report-figure,
.pipeline-figure {
  margin: 1.4rem 0 1rem;
}

.report-figure img,
.pipeline-figure img {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: var(--page);
}

figcaption {
  margin-top: 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.message-example {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--rat);
  border-radius: 0 0.45rem 0.45rem 0;
  background: var(--page);
}

.message-label {
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.message-example pre {
  margin: 0;
  color: #d0d7de;
  font-size: 0.82rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.message-example code {
  color: inherit;
}

.detail-link {
  margin-bottom: 0;
  font-weight: 650;
}

.setup-section {
  display: grid;
  grid-template-columns: minmax(12rem, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 5rem);
  margin-block: clamp(5rem, 10vw, 8rem);
}

.section-heading h2 {
  max-width: 18ch;
}

.section-heading > p:not(.eyebrow) {
  max-width: 33ch;
}

.callout {
  border: 1px solid #6e571e;
  border-radius: 0.8rem;
  background: linear-gradient(145deg, rgb(210 153 34 / 9%), var(--surface) 58%);
}

.setup-callout {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.setup-steps {
  display: grid;
  gap: 1.15rem;
  margin: 0;
  padding-left: 1.4rem;
}

.setup-steps li {
  padding-left: 0.25rem;
}

.setup-steps li::marker {
  color: #f0b72f;
  font-weight: 750;
}

.setup-steps strong,
.setup-steps span {
  display: block;
}

.setup-steps strong {
  margin-bottom: 0.15rem;
  color: var(--text);
}

.setup-steps span {
  color: var(--muted);
}

.setup-readme {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-weight: 650;
}

.backfill-callout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border-left: 4px solid var(--rat);
}

.backfill-callout h2 {
  margin-bottom: 0;
}

.backfill-callout > div:last-child p {
  margin-bottom: 0.75rem;
  color: #d0d7de;
}

.backfill-callout > div:last-child p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.transparency-section {
  max-width: 54rem;
  margin-block: clamp(5rem, 10vw, 8rem);
}

.transparency-section > p:not(.eyebrow) {
  max-width: 70ch;
}

.transparency-section > p:last-child {
  margin-bottom: 0;
  font-weight: 650;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: rgb(22 27 34 / 70%);
}

.footer-inner {
  display: flex;
  min-height: 6rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
}

.footer-inner > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

@media (max-width: 48rem) {
  .header-inner {
    min-height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    padding-block: 1rem;
  }

  .brand {
    width: min(100%, 12rem);
    flex-basis: auto;
  }

  .site-header nav {
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }

  .site-header nav a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    font-size: 0.86rem;
  }

  .hero {
    padding-block: 4.5rem 3.5rem;
  }

  .feature-grid,
  .setup-section,
  .backfill-callout {
    grid-template-columns: minmax(0, 1fr);
  }

  .setup-section {
    gap: 1.5rem;
    margin-block: 5rem;
  }

  .backfill-callout {
    gap: 1rem;
  }

  .transparency-section {
    margin-block: 5rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}