/* ============================================================
   Maia Jacobs — personal site
   Identity: clinical-tech precision + human warmth
   Type: Fraunces (display, some personality) / Work Sans (body) / JetBrains Mono (data)
   Palette: cool neutral ground, deep teal accent, sparing amber for honors
   ============================================================ */

:root {
  --paper: #f3f4f2;
  --surface: #ffffff;
  --ink: #171b1a;
  --ink-soft: #545f5c;
  --ink-faint: #8b9895;
  --line: #dde3e0;
  --accent: #0f6e73;
  --accent-strong: #0b565a;
  --accent-soft: #e1eeee;
  --honor: #a3661f;
  --honor-soft: #f3e9da;
  --shadow: 0 1px 2px rgba(23,27,26,0.04), 0 10px 28px -16px rgba(23,27,26,0.16);

  --max-width: 760px;
  --nav-height: 64px;
  --display: "Libre Franklin", -apple-system, "Segoe UI", sans-serif;
  --body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121615;
    --surface: #191f1e;
    --ink: #eef2f0;
    --ink-soft: #a7b5b1;
    --ink-faint: #71827d;
    --line: #2a3432;
    --accent: #5fc2c4;
    --accent-strong: #86d4d5;
    --accent-soft: #1b3132;
    --honor: #d9a55c;
    --honor-soft: #332617;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 10px 28px -16px rgba(0,0,0,0.55);
  }
}
:root[data-theme="dark"] {
  --paper: #121615;
  --surface: #191f1e;
  --ink: #eef2f0;
  --ink-soft: #a7b5b1;
  --ink-faint: #71827d;
  --line: #2a3432;
  --accent: #5fc2c4;
  --accent-strong: #86d4d5;
  --accent-soft: #1b3132;
  --honor: #d9a55c;
  --honor-soft: #332617;
  --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 10px 28px -16px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-underline-offset: 2px;
}
a:hover { text-decoration-color: var(--accent-strong); }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: 2.15rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.4rem; margin-top: 2.4em; font-weight: 600; }
h3 { font-size: 1.1rem; margin-top: 1.6em; font-weight: 600; }

p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25em; }
li { margin-bottom: 0.45em; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.6em 1em; z-index: 100;
}
.skip-link:focus { left: 1em; top: 1em; }

/* ---------- Header / Nav ---------- */
header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.site-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.site-title:hover { text-decoration: none; color: var(--accent-strong); }
.site-title .initial-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--surface);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  margin-right: 0.55rem;
  vertical-align: -0.35rem;
}

nav.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
nav.primary-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.93rem;
  letter-spacing: 0.01em;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}
nav.primary-nav a:hover,
nav.primary-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 680px) {
  nav.primary-nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
  }
  nav.primary-nav.open { display: block; }
  nav.primary-nav ul { flex-direction: column; gap: 0; padding: 0.5rem 1.5rem 1rem; }
  nav.primary-nav a { display: block; padding: 0.6rem 0; }
  .nav-toggle { display: inline-block; }
}

/* ---------- Layout ---------- */
main { max-width: var(--max-width); margin: 0 auto; padding: 3rem 1.5rem 5rem; }
.page-lede { color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 1.6rem; }

/* ---------- Hero ---------- */
.hero {
  max-width: 980px;
  margin: 0 auto;
  padding: 3.4rem 1.5rem 1rem;
  display: flex;
  gap: 2.4rem;
  align-items: center;
}
.hero-portrait {
  flex: 0 0 148px;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--accent-soft);
  border: 1px solid var(--line);
}
.hero-portrait img { width: 100%; height: 100%; object-fit: cover; }
.hero-text h1 { margin-bottom: 0.15em; }
.hero-role { color: var(--ink-soft); font-size: 1.02rem; margin-bottom: 0.85em; }
.hero-role .dept { display: block; font-size: 0.94rem; margin-top: 0.15em; }
.hero-links a { margin-right: 1.1em; font-size: 0.94rem; }

@media (max-width: 560px) {
  .hero { flex-direction: column; text-align: center; padding-top: 2.4rem; }
  .hero-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.3em 1em; }
}

/* ---------- Callouts ---------- */
.lab-callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 1rem 1.2rem;
  margin: 2rem 0;
  box-shadow: var(--shadow);
}
.lab-callout p { margin: 0; }
.lab-callout .lab-name { font-family: var(--display); font-weight: 600; font-size: 1.05rem; }

/* ---------- Tags ---------- */
.tag-row { display: flex; flex-wrap: wrap; gap: 0.5em; margin: 1.4rem 0 1.8rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 0.3em 0.75em;
  border-radius: 999px;
  letter-spacing: 0.01em;
}
.tag.honor { background: var(--honor-soft); color: var(--honor); }

/* ---------- Entries (news, projects, publications) ---------- */
.entry { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.entry:last-child { border-bottom: none; }
.entry-meta { font-family: var(--mono); color: var(--ink-faint); font-size: 0.84rem; margin-bottom: 0.3em; letter-spacing: 0.01em; }
.entry-title { font-weight: 600; margin-bottom: 0.2em; }
.entry p:last-child { margin-bottom: 0; }

.badge-best {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--honor);
  background: var(--honor-soft);
  padding: 0.15em 0.55em;
  border-radius: 5px;
  margin-left: 0.5em;
  letter-spacing: 0.01em;
  vertical-align: 1px;
}

/* ---------- Publication list ---------- */
.pub-list { list-style: none; padding: 0; margin: 0; }
.pub-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.96rem;
}
.pub-list li:last-child { border-bottom: none; }
.pub-list .pub-authors strong { color: var(--ink); }
.pub-list .pub-venue { color: var(--ink-soft); font-style: italic; }
.pub-list .pub-year { font-family: var(--mono); color: var(--ink-faint); font-size: 0.85rem; }

/* ---------- CV page ---------- */
.cv-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 0.65em 1.3em;
  border-radius: 8px;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}
.cv-download:hover { background: var(--accent-strong); color: #fff; }
.cv-updated { color: var(--ink-faint); font-size: 0.85rem; font-family: var(--mono); margin: 0 0 2rem; }

.cv-section h3 { border-bottom: 1px solid var(--line); padding-bottom: 0.35em; }
.cv-item { margin-bottom: 1rem; }
.cv-item-head {
  display: flex;
  justify-content: space-between;
  gap: 1em;
  flex-wrap: wrap;
  font-weight: 600;
}
.cv-item-date { font-family: var(--mono); color: var(--ink-soft); font-weight: 400; font-size: 0.88rem; white-space: nowrap; }
.cv-item-sub { color: var(--ink-soft); font-size: 0.94rem; margin-top: 0.1em; }

/* ---------- Contact ---------- */
.contact-list { list-style: none; padding: 0; }
.contact-list li { margin-bottom: 0.65em; display: flex; gap: 0.6em; }
.contact-list .label { flex: 0 0 118px; color: var(--ink-faint); font-family: var(--mono); font-size: 0.85rem; padding-top: 0.15em; }

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.85rem;
}