:root {
  --paper: #f4efe6;
  --paper-2: #fffdf8;
  --ink: #1c1916;
  --muted: #5e574e;
  --line: #d4cbbd;
  --forest: #1f3d32;
  --forest-2: #2d5a48;
  --gold: #b0893e;
  --shadow: 0 18px 40px rgba(28, 25, 22, 0.08);
  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: "Source Sans 3", "Source Sans Pro", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --max: 72rem;
  --nav: 13.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #efe6d4 0%, transparent 55%),
    var(--paper);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
}

a { color: var(--forest-2); text-underline-offset: 0.18em; }
a:hover { color: var(--forest); }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--forest);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 20;
}
.skip:focus { left: 0.75rem; top: 0.75rem; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
  display: grid;
  grid-template-columns: var(--nav) minmax(0, 1fr);
  gap: 2.5rem;
}

.site-nav {
  position: sticky;
  top: 1.25rem;
  align-self: start;
  padding-top: 1.5rem;
}

.site-nav .mark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--forest);
  text-decoration: none;
  display: block;
  margin-bottom: 1.25rem;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.28rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.7rem;
}

.site-nav a:hover,
.site-nav a[aria-current="true"] {
  color: var(--forest);
  border-left-color: var(--gold);
}

.nav-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--forest);
  background: var(--forest);
  color: #f7f3ea;
  font: inherit;
  font-size: 0.88rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn.ghost {
  background: transparent;
  color: var(--forest);
}
.btn:hover { filter: brightness(1.08); }

main { min-width: 0; padding-top: 1.75rem; }

.hero {
  padding: 0.5rem 0 1.75rem;
  border-bottom: 1px solid var(--line);
}

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.6rem;
}

h1 {
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin: 0 0 0.65rem;
}

.headline {
  font-size: 1.2rem;
  color: var(--forest);
  margin: 0 0 1rem;
}

.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.98rem;
  margin: 0;
}

.contact a { overflow-wrap: anywhere; }
.contact span { color: var(--muted); }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  white-space: nowrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0 0;
}

.stat {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.85rem 0.95rem;
}
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.stat span {
  color: var(--muted);
  font-size: 0.86rem;
}

section {
  padding: 2rem 0 0.5rem;
  scroll-margin-top: 1rem;
}

h2 {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 560;
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
  color: var(--forest);
}

.lede {
  font-size: 1.12rem;
  max-width: 46rem;
  margin: 0 0 1rem;
}

.now-card, .job, .sys, .edu-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.25rem 1.05rem;
  margin: 0 0 1rem;
}

.now-card header, .job header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  margin-bottom: 0.35rem;
}

.org {
  font-family: var(--serif);
  font-size: 1.28rem;
  margin: 0;
}
.org a { color: inherit; text-decoration: none; }
.org a:hover { text-decoration: underline; }

.meta {
  color: var(--muted);
  font-size: 0.92rem;
  font-family: var(--mono);
}

.role-title {
  font-weight: 600;
  margin: 0.35rem 0 0.5rem;
}

ul.bullets {
  margin: 0.2rem 0 0;
  padding-left: 1.15rem;
}
ul.bullets li { margin: 0.28rem 0; }

.note {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0.2rem 0 0.6rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5.4rem, 1fr));
  gap: 0.55rem 0.7rem;
  margin: 0.5rem 0 0;
}

.tl {
  border-top: 3px solid var(--forest);
  padding-top: 0.45rem;
}
.tl b {
  display: block;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gold);
}
.tl span {
  font-size: 0.86rem;
  color: var(--muted);
}

details {
  margin-top: 0.55rem;
}
details summary {
  cursor: pointer;
  color: var(--forest);
  font-size: 0.95rem;
}
details summary:hover { text-decoration: underline; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.35rem 0 1rem;
}
.chips span {
  background: #ebe4d6;
  border: 1px solid var(--line);
  padding: 0.18rem 0.55rem;
  font-size: 0.88rem;
}
.group-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0.85rem 0 0.35rem;
}

.sys h3 { margin: 0 0 0.25rem; font-size: 1.12rem; }
.sys .stack { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); margin: 0 0 0.45rem; }

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 0.45rem 1rem;
}
.link-grid a { text-decoration: none; }
.link-grid a:hover { text-decoration: underline; }

footer.site {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.arch-page .diagram {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 1rem;
  margin: 0 0 1.5rem;
  overflow-x: auto;
}
.arch-page svg { width: 100%; height: auto; display: block; }
.arch-page .legend { color: var(--muted); font-size: 0.92rem; }

.work-fig {
  margin: 0 0 1.25rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.75rem 0.75rem 0.6rem;
}
.work-fig img {
  width: 100%;
  height: auto;
  display: block;
}
.work-fig figcaption {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0.5rem 0 0;
}

.live-chart {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem 0.7rem;
  margin: 0 0 1rem;
}
.live-chart svg { width: 100%; height: auto; display: block; }
.chart-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 0.4rem;
}
.chart-head b {
  font-family: var(--serif);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
  color: var(--forest);
}
.chart-head span, .chart-status, .chart-asof {
  color: var(--muted);
  font-size: 0.88rem;
}
.chart-asof { margin: 0.45rem 0 0; font-family: var(--mono); font-size: 0.78rem; }

.ask-fab {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 30;
  appearance: none;
  border: 1px solid var(--forest);
  background: var(--forest);
  color: #f7f3ea;
  font: inherit;
  font-size: 0.92rem;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.ask-fab:hover { filter: brightness(1.08); }

.ask-panel {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 31;
  width: min(22.5rem, calc(100vw - 1.5rem));
  max-height: min(70vh, 36rem);
  overflow: auto;
  background: var(--paper-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem 1rem;
}
.ask-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.35rem;
}
.ask-head h2 {
  font-size: 1.15rem;
  margin: 0;
}
.ask-close {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}
.ask-note { color: var(--muted); font-size: 0.88rem; margin: 0 0 0.7rem; }
.ask-modes {
  border: 0;
  margin: 0 0 0.55rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  font-size: 0.88rem;
}
.ask-modes legend {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.3rem;
}
.ask-chips { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0 0 0.65rem; }
.ask-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: #ebe4d6;
  font: inherit;
  font-size: 0.82rem;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
}
.ask-q { display: block; font-size: 0.88rem; color: var(--muted); }
.ask-q textarea {
  display: block;
  width: 100%;
  margin: 0.3rem 0 0.7rem;
  font: inherit;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--line);
  background: #fff;
  resize: vertical;
}
.ask-form .btn { width: 100%; }
.ask-status { color: var(--muted); font-size: 0.88rem; min-height: 1.2em; }
.ask-answer {
  margin: 0.4rem 0 0;
  padding: 0.65rem 0.7rem;
  background: #ebe4d6;
  border: 1px solid var(--line);
  font-size: 0.95rem;
  white-space: pre-wrap;
}
.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

@media (max-width: 860px) {
  .wrap { grid-template-columns: 1fr; padding-top: 0.5rem; }
  .site-nav {
    position: static;
    padding-top: 0.75rem;
  }
  .site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem 0.1rem;
  }
  .site-nav a {
    border-left: 0;
    padding: 0.25rem 0.55rem;
    background: #ebe4d6;
    margin: 0.15rem 0.15rem 0 0;
  }
  .nav-actions { flex-direction: row; flex-wrap: wrap; }
  .stats { grid-template-columns: 1fr 1fr; }
  .ask-panel {
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 75vh;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
  }
  .ask-fab { right: 0.75rem; bottom: 0.75rem; }
}

@media print {
  body { background: #fff; font-size: 11pt; }
  .site-nav, .skip, .nav-actions, .btn, footer.site,
  .ask-root, .ask-fab, .ask-panel { display: none !important; }
  .wrap { display: block; max-width: none; padding: 0; }
  .now-card, .job, .sys, .edu-card, .stat, .work-fig, .live-chart {
    box-shadow: none;
    break-inside: avoid;
  }
  a { color: inherit; text-decoration: none; }
  details { open: true; }
  details[open] summary { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}