:root {
  --bg: #080a08;
  --paper: #10130f;
  --paper-2: #151913;
  --text: #e9e9df;
  --muted: #a7ad9d;
  --line: #30382b;
  --line-strong: #77806d;
  --accent: #90b879;
  --accent-2: #c8d7b6;
  --code-bg: #070907;
  --radius: 3px;
  --measure: 78ch;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem clamp(1rem, 4vw, 3rem);
  background: rgba(8, 10, 8, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.96rem;
  font-weight: 700;
  text-decoration: none;
}

.brand::before {
  content: "~/";
  color: var(--accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  padding: 0.26rem 0.58rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  text-decoration: none;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--text);
  background: var(--paper-2);
  border-color: var(--line);
}

.nav-toggle { display: none; }

.page-shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.hero, .page-header {
  padding: clamp(1.25rem, 4vw, 2.75rem) 0 1.2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.25rem;
}

.eyebrow {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 0 0.55rem;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.05rem, 4vw, 3.45rem);
  line-height: 1.05;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.subtitle {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 70ch;
  margin: 0;
}

.content {
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.05rem, 4vw, 2.25rem);
}

.content > * { max-width: var(--measure); }
.content > .wide, .content > table, .content > figure { max-width: 100%; }

h2, h3, h4 {
  color: var(--text);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

h2 {
  margin-top: 2.05rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 1.55rem;
}

h2:first-child {
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
}

h3 {
  margin-top: 1.35rem;
  font-size: 1.15rem;
}

p { margin: 0.82rem 0; }
ul, ol { padding-left: 1.35rem; }
li { margin: 0.3rem 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.75rem;
  max-width: 100%;
  margin: 1.15rem 0;
}

.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
}

.metric {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: clamp(1.65rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
}

.metric-label {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.38rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.2rem 0;
  max-width: 100%;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.47rem 0.72rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--bg);
  background: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent-2);
}

.button:hover {
  color: var(--bg);
  background: var(--accent-2);
  border-color: var(--accent-2);
  text-decoration: none;
}

.button.secondary:hover {
  color: var(--text);
  background: var(--paper-2);
}

figure { margin: 1.35rem 0; }

figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7f7f2;
}

figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.45rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.35rem;
  font-size: 0.93rem;
}

th, td {
  border-bottom: 1px solid var(--line);
  padding: 0.54rem 0.48rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--paper-2);
  color: var(--text);
  font-weight: 700;
}

code {
  background: var(--code-bg);
  color: var(--accent-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.06rem 0.22rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

pre {
  max-width: 100%;
  overflow: auto;
  background: var(--code-bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
}

pre code {
  background: transparent;
  color: inherit;
  border: 0;
  padding: 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.site-footer {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding: 0.75rem 0 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
    border: 1px solid var(--line-strong);
    background: var(--paper);
    color: var(--text);
    border-radius: var(--radius);
    padding: 0.3rem 0.55rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-open .nav-links { display: flex; }
  .site-nav { flex-wrap: wrap; }
  table { font-size: 0.86rem; }
}