/* ---------- Tokens ---------- */
:root {
  --bg: #fbfaf8;
  --bg-alt: #f2efe9;
  --ink: #1c1a17;
  --ink-soft: #4a453d;
  --rule: #ddd6c9;
  --accent: #7a2e2e;
  --accent-soft: #a4514f;
  --link: #5c3d99;
  --max-width: 46rem;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "URW Palladio L", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171613;
    --bg-alt: #201e1a;
    --ink: #ece7dd;
    --ink-soft: #b9b2a3;
    --rule: #3a362e;
    --accent: #d68a86;
    --accent-soft: #c46a66;
    --link: #b9a3e8;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ---------- Header / Nav ---------- */
header.site {
  border-bottom: 1px solid var(--rule);
  background: var(--bg-alt);
}

header.site .wrap {
  padding-top: 1.8rem;
  padding-bottom: 1.4rem;
}

.site-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}

.site-tagline {
  margin: 0.25rem 0 1.1rem;
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

nav.site {
  font-family: var(--sans);
  font-size: 0.94rem;
}

nav.site a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-right: 1.4rem;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

nav.site a:hover,
nav.site a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- Main content ---------- */
main {
  padding: 3.8rem 0 4rem;
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 0.6rem;
}

h2 {
  font-size: 1.35rem;
  margin: 2.4rem 0 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
}

h3 {
  font-size: 1.08rem;
  margin: 1.6rem 0 0.5rem;
}

p { margin: 0 0 1.1rem; }

a { color: var(--link); }
a:hover { color: var(--accent); }

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

ul.plain, ol.plain {
  padding-left: 0;
  list-style: none;
}

/* ---------- Home hero ---------- */
.hero {
  display: flex;
  gap: 1.6rem;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.hero-photo {
  flex: 0 0 auto;
  width: 165px;
  height: 220x;
  border-radius: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 0.7rem;
  color: var(--ink-soft);
  text-align: center;
  overflow: hidden;
}

.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

.contact-row {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 1.2rem 0 2rem;
}

.contact-row a { margin-right: 1rem; }

/* ---------- Cards: research / posts ---------- */
.entry {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule);
}

.entry:last-child { border-bottom: none; }

.entry-title {
  font-size: 1.12rem;
  font-weight: 600;
  margin: 0 0 0.2rem;
}

.entry-meta {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.entry-links {
  font-family: var(--sans);
  font-size: 0.88rem;
  margin-top: 0.5rem;
}

.entry-links a { margin-right: 1.2rem; }

.tag {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  margin-right: 0.4rem;
}

/* ---------- Blog post ---------- */
.post-meta {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.8rem;
}

article.post h2 { border-bottom: none; margin-top: 2rem; }

blockquote {
  margin: 1.4rem 0;
  padding: 0.2rem 1.2rem;
  border-left: 3px solid var(--accent-soft);
  color: var(--ink-soft);
}

/* ---------- Placeholder callouts (for the site owner, not visitors to miss) ---------- */
.todo {
  font-family: var(--sans);
  font-size: 0.85rem;
  background: var(--bg-alt);
  border: 1px dashed var(--accent-soft);
  border-radius: 6px;
  padding: 0.7rem 1rem;
  margin: 0.8rem 0 1.4rem;
  color: var(--ink-soft);
}

.todo strong { color: var(--accent); }

/* ---------- Blog post figures ---------- */
.post-figure { margin: 1.6rem 0; }
.post-figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}
.post-figure figcaption {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 0.5rem;
}

/* ---------- CV ---------- */
.cv-section dl {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.4rem 1rem;
  font-family: var(--sans);
  font-size: 0.95rem;
}

.cv-section dt {
  color: var(--ink-soft);
}

.cv-section dd { margin: 0; }

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 1.6rem 0 3rem;
}

/* ---------- Misc ---------- */
code, pre {
  font-family: var(--mono);
  font-size: 0.92em;
}

pre {
  background: var(--bg-alt);
  padding: 0.9rem 1.1rem;
  border-radius: 6px;
  overflow-x: auto;
}

hr.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.4rem 0;
}

@media (max-width: 30rem) {
  .hero { flex-direction: column; }
  nav.site a { margin-right: 1rem; }
}