/* Palette: "Minty Melon" (color-hex.com/color-palette/19741)
   #b1f0a3 mint · #e0f9a8 lime · #f8f9ba yellow · #fdd79d peach · #f9a8a8 pink
   The pastels are used for fills and accents; darker shades of the mint
   carry text and links so everything stays readable. */
:root {
  --mint: #b1f0a3;
  --lime: #e0f9a8;
  --yellow: #f8f9ba;
  --peach: #fdd79d;
  --pink: #f9a8a8;
  --rainbow: linear-gradient(90deg, var(--mint), var(--lime), var(--yellow), var(--peach), var(--pink));

  --bg: #fffef8;
  --surface: #ffffff;
  --text: #1e2a22;
  --muted: #56645a;
  --line: #ebe8d8;
  --accent: #2c7a47;
  --accent-soft: #eafbe4;
  --tag-text: #1e2a22;
  --tag-alpha: 100%;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131915;
    --surface: #1a221c;
    --text: #e7efe8;
    --muted: #9db0a2;
    --line: #29352c;
    --accent: #b1f0a3;
    --accent-soft: #1e2e22;
    --tag-text: #e7efe8;
    --tag-alpha: 22%;
  }
}
:root[data-theme="dark"] {
  --bg: #131915;
  --surface: #1a221c;
  --text: #e7efe8;
  --muted: #9db0a2;
  --line: #29352c;
  --accent: #b1f0a3;
  --accent-soft: #1e2e22;
  --tag-text: #e7efe8;
  --tag-alpha: 22%;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

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

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--accent); }

/* ---------- Layout ---------- */
main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

.hero {
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.hero .role {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.hero .summary {
  max-width: 44rem;
  font-size: 1.05rem;
  margin: 0 0 1.75rem;
}
.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.contact a {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  text-decoration: none;
  font-size: 0.9rem;
}
.contact a:hover { border-color: var(--accent); }

section {
  padding: 3rem 0 1rem;
}
section > h2 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  display: inline-block;
  background: var(--rainbow) bottom / 100% 4px no-repeat;
}
h3.subhead {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2rem 0 0.75rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: start;
}
.photo {
  width: 11rem;
  height: 11rem;
  border-radius: 50%;
  padding: 5px;
  background: conic-gradient(var(--mint), var(--lime), var(--yellow), var(--peach), var(--pink), var(--mint));
  flex-shrink: 0;
}
.photo img,
.photo .initials {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 4px solid var(--bg);
}
.photo .initials {
  display: grid;
  place-items: center;
  background: var(--surface);
  font-family: var(--serif);
  font-size: 3.2rem;
  color: var(--accent);
}
.contact svg {
  width: 1em;
  height: 1em;
  vertical-align: -0.12em;
  margin-right: 0.35rem;
  fill: currentColor;
}
.contact a { color: var(--accent); }
.contact a:hover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- Timeline entries ---------- */
.entry {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}
.entry:first-of-type { border-top: 0; }
.when {
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 0.15rem;
}
.entry h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
}
.org {
  color: var(--muted);
  margin: 0.1rem 0 0.5rem;
  font-size: 0.95rem;
}
.entry ul {
  margin: 0;
  padding-left: 1.1rem;
}
.entry li { margin: 0.25rem 0; }
.entry li::marker { color: var(--accent); }
.nav { border-image: var(--rainbow) 0 0 1 0 / 0 0 3px 0; }

/* ---------- Citations ---------- */
.citations {
  list-style: none;
  margin: 0;
  padding: 0;
}
.citations li {
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 2px solid var(--line);
  margin-bottom: 0.4rem;
}
.citations li:hover { border-left-color: var(--accent); }
.citations .me { font-weight: 600; }
.citations .title { font-style: italic; }
.citations .venue { color: var(--muted); }

details.more {
  margin-top: 0.5rem;
}
details.more > summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 500;
  padding: 0.5rem 0;
  list-style: none;
}
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "+ "; }
details.more[open] > summary::before { content: "− "; }

/* ---------- Awards ---------- */
.awards-year {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}
.awards-year:first-of-type { border-top: 0; }
.awards-year ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.awards-year li { margin-bottom: 0.9rem; }
.awards-year li:last-child { margin-bottom: 0; }
.award-name { font-weight: 600; }
.award-desc {
  display: block;
  color: var(--muted);
  font-size: 0.93rem;
}
.highlight {
  background: var(--accent-soft);
  border-left: 4px solid var(--mint);
  border-radius: 10px;
  padding: 1rem 1.25rem;
}

/* ---------- Skills ---------- */
.tags li:nth-child(5n+2) { --c: var(--lime); }
.tags li:nth-child(5n+3) { --c: var(--yellow); }
.tags li:nth-child(5n+4) { --c: var(--peach); }
.tags li:nth-child(5n+5) { --c: var(--pink); }
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
}
.skill-card h3 {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.6rem;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.tags li {
  --c: var(--mint);
  background: color-mix(in srgb, var(--c) var(--tag-alpha), transparent);
  color: var(--tag-text);
  border-radius: 6px;
  padding: 0.15rem 0.55rem;
  font-size: 0.88rem;
}

footer {
  max-width: 64rem;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Small screens ---------- */
@media (max-width: 640px) {
  .nav-inner { gap: 1rem; }
  .hero { padding: 3rem 0 2.25rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .photo { width: 8rem; height: 8rem; order: -1; }
  .entry,
  .awards-year {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media print {
  .nav { display: none; }
  details.more > * { display: block; }
  body { background: #fff; color: #000; }
}