:root {
  --bg: #f6f7f3;
  --surface: #ffffff;
  --ink: #202a22;
  --muted: #62705f;
  --line: #dae0d6;
  --green: #6c4a9c;
  --amber: #8a63b8;

  --font-display: "Archivo", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; margin: 0; }

h1 { font-size: 2.2rem; margin-bottom: 0.8rem; line-height: 1.15; }

h2 {
  font-size: 1.35rem;
  margin-bottom: 1.1rem;
}

h3 { font-size: 1.05rem; color: var(--green); margin: 1.8rem 0 0.7rem; }

h4 {
  font-size: 0.88rem;
  font-family: var(--font-mono);
  color: var(--muted);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.field {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  display: block;
  margin-bottom: 2px;
}

.field-sub { margin-bottom: 0.6rem; }

p { margin: 0 0 1rem; max-width: 62ch; }

ul { padding-left: 1.1rem; margin: 0 0 1rem; }
li { margin-bottom: 0.4rem; max-width: 62ch; }

code {
  font-family: var(--font-mono);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.88em;
}

/* Top bar */
.topbar {
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.mark {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--green);
  border: 1px solid var(--green);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.85rem;
}

.topbar nav a {
  color: var(--muted);
  margin-left: 1.3rem;
  font-size: 0.9rem;
}

.topbar nav a:first-child { margin-left: 0; }

.topbar nav a.current { color: var(--ink); font-weight: 600; }

.topbar nav a:hover { color: var(--ink); }

/* Page header (used on every non-home page) */
.page-head {
  padding: 2.6rem 0 2rem;
  border-bottom: 1px solid var(--line);
}

.page-head p { margin-bottom: 0; }

/* Home hero */
.hero {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.hero-lede { max-width: 56ch; }

/* Home quick links */
.quick-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 2.4rem 0;
}

.quick-link {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem 1.3rem;
  color: var(--ink);
  text-align: center;
}

.quick-link:hover { border-color: var(--green); text-decoration: none; }

.quick-link h3 { margin: 0 0 4px; color: var(--ink); font-size: 1.05rem; }

.quick-link p { margin: 0 auto; font-size: 0.92rem; color: var(--muted); }

/* Packet snippet */
.packet {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 1.8rem;
  max-width: 420px;
}

.packet-head {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
}

.packet pre {
  margin: 0;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  overflow-x: auto;
  line-height: 1.5;
}

/* Sections */
.section { padding: 2.6rem 0; }
.section + .section { border-top: 1px solid var(--line); }

/* Stats */
.stat-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 1.2rem 0 1.8rem;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 4px;
}

/* Diagram */
.diagram {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.1rem 0 1.8rem;
}

.node, .node-stack .node {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 0.85rem;
  text-align: center;
}

.node-accent { border-color: var(--green); }

.node-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.node-stack .node { padding: 8px 12px; font-size: 0.78rem; }

.arrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

/* Feature list */
.feature-list { list-style: none; padding: 0; }

.feature-list li {
  border-left: 2px solid var(--green);
  padding-left: 1rem;
  margin-bottom: 1rem;
}

.feature-title {
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.4rem;
}

.tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  background: var(--surface);
}

.credit {
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 62ch;
}

/* Project card (on Projects page) */
.project-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem 1.6rem;
  color: var(--ink);
  margin-bottom: 0.6rem;
}

.project-card:hover { border-color: var(--green); text-decoration: none; }

.project-card p { margin-bottom: 1rem; }

.project-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 4px;
}

.project-title { font-weight: 700; font-size: 1.15rem; color: var(--ink); }

.project-arrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
}

.project-card .tags { margin-bottom: 0; }

/* Jobs */
.job { margin-bottom: 1.8rem; }

.job-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

.job-title { font-weight: 600; font-size: 1.02rem; }

/* Skills grid */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
}

.skills-grid p { margin: 0; }

/* Photo hero */
.photo-hero {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 1.6rem;
}

.photo-hero img {
  display: block;
  width: 100%;
  height: auto;
}

.photo-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: -1rem;
  margin-bottom: 2rem;
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 1.2rem 0 1.8rem;
}

.gallery-slot {
  aspect-ratio: 4 / 3;
  border: 1px dashed var(--line);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: center;
  padding: 8px;
}

.gallery-slot:has(img) {
  border-style: solid;
  padding: 0;
}

.gallery-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

/* Writeup tables */
.writeup table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0 1.6rem;
  font-size: 0.88rem;
}

.writeup th, .writeup td {
  border: 1px solid var(--line);
  padding: 7px 10px;
  text-align: left;
  vertical-align: top;
}

.writeup th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  background: var(--surface);
}

.writeup h3 { margin-top: 2.2rem; }
.writeup h4 { margin-top: 1.3rem; color: var(--ink); font-family: var(--font-display); font-size: 1rem; font-weight: 600; }

/* Embedded document viewer */
.doc-embed {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin: 1rem 0 1rem;
}

.doc-embed object {
  width: 100%;
  height: 80vh;
  display: block;
}

.doc-embed p {
  padding: 1.2rem;
  margin: 0;
}

/* Responsive */
@media (max-width: 640px) {
  h1 { font-size: 1.85rem; }
  .topbar nav a { margin-left: 0.9rem; font-size: 0.82rem; }
  .skills-grid, .quick-links { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
}

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