:root {
  --bg: #fbf8f3;
  --fg: #2b2a33;
  --muted: #6b6878;
  --accent: #6a4fc9;
  --accent-soft: #ece6fb;
  --card: #ffffff;
  --border: #e6e0d6;
  --code-bg: #f3efe8;
  --verso-text-font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --verso-structure-font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --verso-code-font-family: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --verso-text-color: var(--fg);
  --verso-structure-color: var(--fg);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b22;
    --fg: #e8e6ef;
    --muted: #a3a0b2;
    --accent: #b9a6ff;
    --accent-soft: #2e2840;
    --card: #24232c;
    --border: #36343f;
    --code-bg: #2a2933;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0 auto;
  max-width: 46rem;
  padding: 0 1.25rem;
  font-family: var(--verso-text-font-family);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
}

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

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 2rem; margin: 2rem 0 1rem; }
h2 { font-size: 1.35rem; margin: 2.2rem 0 0.6rem; }

code, pre { font-family: var(--verso-code-font-family); font-size: 0.92em; }
code { background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 6px; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

/* header and nav */

header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-bottom: 1px dashed var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
}

.logo { width: 1.6rem; height: 1.6rem; }
.logo rect { fill: var(--accent); }
.logo path { stroke: var(--accent); }
.logo .keyhole { fill: var(--bg); }

header.site nav ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

header.site nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
header.site nav a:hover { color: var(--accent); }

/* front page */

.hero { text-align: center; padding: 3rem 0 1.5rem; }
.hero .logo { width: 4rem; height: 4rem; }
.hero h1 { font-size: 2.6rem; margin: 0.5rem 0; }
.hero .tagline { color: var(--muted); font-size: 1.15rem; max-width: 32rem; margin: 0 auto 1.5rem; }

.button {
  display: inline-block;
  margin: 0.25rem;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}
.button.secondary { background: var(--accent-soft); color: var(--accent); }

article.front {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.5rem 1.75rem 1.25rem;
  margin-bottom: 2rem;
}

/* blog */

ul.posts { list-style: none; padding: 0; }
ul.posts > li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
ul.posts .title { font-weight: 600; font-size: 1.1rem; }

.metadata { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; }
.metadata .authors, .metadata .date { display: inline-block; }
.metadata .authors:has(+ .date)::after { content: " · "; }
.metadata .author:has(+ .author)::after { content: ", "; }
.metadata ul.categories { display: inline; list-style: none; padding: 0; margin-left: 0.5rem; }
.metadata ul.categories li { display: inline; margin-right: 0.4rem; }

/* footer */

footer.site {
  margin-top: 3rem;
  padding: 1.25rem 0 2.5rem;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}