:root {
  --bg: #f6f5f1;
  --fg: #171715;
  --soft: #45443f;
  --muted: #75746d;
  --rule: #dad8d0;
  --accent: #2c6e49;
  --accent-soft: #e2ece4;
  --code-bg: #ecebe5;

  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131412;
    --fg: #f0efe8;
    --soft: #bebdb5;
    --muted: #878680;
    --rule: #2c2d2a;
    --accent: #8cc79c;
    --accent-soft: #1f2b22;
    --code-bg: #1d1e1b;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 1rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

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

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

.page {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
}

/* running header / footer, like a man page */

.runhead {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font: 500 0.8rem/1 var(--mono);
  color: var(--muted);
  letter-spacing: 0.02em;
}

footer.runhead {
  margin-top: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 1.25rem 0 3.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
  font: 400 0.85rem/1.4 var(--mono);
}

.toc a {
  color: var(--muted);
  text-decoration: none;
}

.toc a::before {
  content: "#";
  color: var(--rule);
  margin-right: 0.15em;
}

.toc a:hover {
  color: var(--fg);
}

/* sections: heading flush left, body indented */

.sec {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  column-gap: 2rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 1rem;
}

#name,
#description {
  border-top: 0;
  padding: 0 0 2.25rem;
}

.sec > h2 {
  margin: 0.25rem 0 0;
  font: 600 0.8rem/1.6 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

h1 {
  margin: 0;
  font: 600 2.75rem/1.1 var(--sans);
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.profiles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  margin: 1rem 0 0;
  font: 400 0.85rem/1.4 var(--mono);
}

.profiles a::after {
  content: " ↗";
}

.prose p {
  margin: 0 0 1rem;
  color: var(--soft);
  max-width: 38rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* entries (projects, experience, education) */

.entries {
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
}

.entry {
  color: var(--soft);
}

strong {
  font-weight: 600;
  color: var(--fg);
}

.entry header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.entry h3 {
  margin: 0;
  font: 600 1.25rem/1.35 var(--sans);
  letter-spacing: -0.01em;
  color: var(--fg);
}

.smaller h3 {
  margin: 0;
  font: 600 0.8rem/1.6 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.when {
  flex-shrink: 0;
  font: 400 0.8rem/1.4 var(--mono);
  color: var(--muted);
}

.meta {
  margin: 0.1rem 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.4rem 0 0.85rem;
  padding: 0;
}

.tags span {
  font: 400 0.75rem/1 var(--mono);
  color: var(--soft);
  background: var(--code-bg);
  padding: 0.35em 0.55em;
  border-radius: 3px;
}

.entry > p:not(.meta):not(.links):not(.tags) {
  margin: 0 0 0.6rem;
  max-width: 38rem;
}

.entry ul,
.smaller ul {
  margin: 0 0 0.6rem;
  padding: 0;
  list-style: none;
  max-width: 38rem;
}

.entry li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.25rem;
}

.entry li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0.4rem 0 0;
  font: 400 0.85rem/1.4 var(--mono);
}

.links a::after {
  content: " ↗";
  text-decoration: none;
  display: inline-block;
  margin-left: 0.1em;
}

.badge {
  font: 500 0.75rem/1 var(--mono);
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2em 0.45em;
  border-radius: 3px;
  white-space: nowrap;
}

.smaller {
  padding-top: 1.75rem;
  border-top: 1px dashed var(--rule);
}

.smaller li a {
  font-weight: 500;
}

.smaller h3 {
  margin-bottom: 0.5rem;
}

.smaller li {
  margin-bottom: 0.2rem;
}

.smaller li span {
  color: var(--muted);
}

/* skills */

.skills {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.35rem 1.5rem;
  margin: 0;
}

.skills dt {
  font: 400 0.85rem/1.65rem var(--mono);
  color: var(--muted);
}

.skills dd {
  margin: 0;
}

/* contact */

.contact {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 38rem;
  border-top: 1px solid var(--rule);
}

.contact a {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0.25rem;
  border-bottom: 1px solid var(--rule);
  color: var(--fg);
  text-decoration: none;
}

.contact .label {
  font: 400 0.85rem/1.5 var(--mono);
  color: var(--muted);
}

.contact .value {
  overflow-wrap: anywhere;
}

.contact .arrow {
  font-family: var(--mono);
  color: var(--muted);
  transition: transform 0.15s ease;
}

.contact a:hover .value,
.contact a:hover .arrow {
  color: var(--accent);
}

.contact a:hover .arrow {
  transform: translateX(3px);
}

footer.runhead a {
  color: var(--muted);
  text-decoration: none;
}

footer.runhead a:hover {
  color: var(--fg);
}

/* narrow screens */

@media (max-width: 640px) {
  .page {
    padding: 1rem 1rem 1.5rem;
  }

  .runhead-mid {
    display: none;
  }

  .toc {
    margin-bottom: 2.5rem;
  }

  .sec {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 1rem;
    padding: 2rem 0;
  }

  #name,
  #description {
    padding-bottom: 2rem;
  }

  h1 {
    font-size: 2.25rem;
  }

  .entry header {
    flex-direction: column;
    gap: 0;
  }

  .skills {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .skills dd {
    margin-bottom: 0.6rem;
  }

  .contact a {
    grid-template-columns: 5rem minmax(0, 1fr) auto;
    gap: 0.75rem;
  }
}