/* Tufte-inspired design system.
   Principles: high data-ink ratio, serif typography, sidenotes/marginalia,
   small multiples, no chrome. Palette after Tufte's own HTML pages. */

:root {
  --paper: #fffff8;
  --ink: #222;
  --ink-soft: #555;
  --rule: #d8d8ce;
  --link: #cc3300;
  --serif: "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: "Gill Sans", "Segoe UI", Calibri, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  margin: 0 auto;
  max-width: 1060px;
  padding: 0 24px 48px;
}

/* ---------- masthead ---------- */

.masthead {
  padding: 28px 0 10px;
  border-bottom: 3px double var(--ink);
  margin-bottom: 34px;
}

.masthead h1 {
  font-size: 1.5rem;
  font-weight: normal;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  margin: 0 0 2px;
}

.masthead h1 a { color: var(--ink); text-decoration: none; border-bottom: none; }

.masthead .tagline {
  margin: 0;
  font-style: italic;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

nav { margin-top: 12px; }

nav a {
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: none;
  margin-right: 1.4em;
}

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

nav a.active {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

/* ---------- typography ---------- */

main { counter-reset: section; }

h2 {
  font-size: 1.05rem;
  font-weight: normal;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  margin: 2.2em 0 0.6em;
  counter-increment: section;
}

h2::before {
  content: counter(section) ". ";
  color: var(--ink-soft);
}

h3 {
  font-size: 1rem;
  font-weight: bold;
  margin: 1.4em 0 0.3em;
}

p { margin: 0 0 0.9em; max-width: 640px; }

a { color: var(--link); text-decoration: none; border-bottom: 1px solid rgba(204, 51, 0, 0.35); }
a:hover { border-bottom-color: var(--link); }

ul { margin: 0.3em 0 1em; padding-left: 1.2em; max-width: 640px; }
li { margin-bottom: 0.25em; }

/* ---------- sidenotes (marginalia) ---------- */

.sidenote {
  float: right;
  clear: right;
  width: 34%;
  margin-right: -38%;
  margin-top: 0.35em;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  padding-top: 0.35em;
}

.sidenote::before {
  content: attr(data-mark);
  color: var(--link);
  margin-right: 0.4em;
}

/* ---------- small multiples: experience entries ---------- */

.entry {
  border-top: 1px solid var(--rule);
  padding: 0.9em 0 1.1em;
  max-width: 640px;
}

.entry:last-of-type { border-bottom: 1px solid var(--rule); }

.entry .head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1em;
  flex-wrap: wrap;
}

.entry .company {
  font-variant: small-caps;
  letter-spacing: 0.05em;
  font-size: 1.05rem;
}

.entry .company .note {
  font-variant: normal;
  font-style: italic;
  color: var(--ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0;
}

.entry .dates {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  white-space: nowrap;
}

.entry .role { font-style: italic; margin: 0.1em 0 0; }

.entry .meta {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  margin: 0.1em 0 0.4em;
}

.entry .summary { margin-top: 0.4em; }

/* ---------- reference tables (patents, awards, skills) ---------- */

table.refs {
  border-collapse: collapse;
  font-size: 0.92rem;
  max-width: 640px;
  width: 100%;
}

table.refs th {
  text-align: left;
  font-variant: small-caps;
  font-weight: normal;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--ink);
  padding: 0.3em 1em 0.3em 0;
}

table.refs td {
  border-bottom: 1px solid var(--rule);
  padding: 0.35em 1em 0.35em 0;
  vertical-align: top;
}

/* ---------- contact ---------- */

dl.contact { margin: 0; max-width: 640px; }

dl.contact dt {
  font-family: var(--sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-top: 1.1em;
}

dl.contact dd { margin: 0.1em 0 0; font-size: 1.05rem; }

/* ---------- footer ---------- */

footer {
  margin-top: 56px;
  border-top: 1px solid var(--rule);
  padding-top: 10px;
}

footer .footnote {
  font-size: 0.75rem;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- narrow screens: marginalia fold into the text ---------- */

@media (max-width: 900px) {
  .sidenote {
    float: none;
    width: auto;
    max-width: 640px;
    margin: 0.8em 0 1.2em;
    border-left: 2px solid var(--rule);
    border-top: none;
    padding: 0.2em 0 0.2em 0.8em;
  }
}