:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --rule: #e5e5e5;
  --accent: #2b6cb0;
  --max-w: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
a:hover { border-bottom-color: var(--accent); }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* Header / nav */
header.site {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 3rem;
}
header.site .wrap {
  padding-top: 2rem;
  padding-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
header.site .brand {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--fg);
  border: none;
}
header.site nav a {
  color: var(--muted);
  margin-left: 1.5rem;
  font-size: 0.95rem;
  border: none;
}
header.site nav a:hover,
header.site nav a.active { color: var(--fg); }

/* Headings */
h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; margin-top: 2.5rem; }
h3 { font-size: 1.1rem; margin-top: 1.75rem; }

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 2rem;
}

p { margin: 0 0 1rem; }

/* Lists of projects on home page */
.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.project-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.project-list li:last-child { border-bottom: none; }
.project-list a.title {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--fg);
  border: none;
}
.project-list a.title:hover { color: var(--accent); }
.project-list .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.15rem 0 0.4rem;
}
.project-list .summary {
  color: var(--fg);
  margin: 0;
}

/* Project detail pages */
.back {
  display: inline-block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  border: none;
}
.back:hover { color: var(--fg); }

article figure {
  margin: 2rem 0;
}
article figure img,
article figure video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--rule);
}
article figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  margin-top: 0.5rem;
}

article ul { padding-left: 1.25rem; }
article li { margin-bottom: 0.35rem; }

/* Contact row */
.contact {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}
.contact a { color: var(--muted); border: none; }
.contact a:hover { color: var(--fg); }

/* Resume page */
.resume-actions {
  display: flex;
  gap: 1rem;
  margin: 1rem 0 1.5rem;
  flex-wrap: wrap;
}
.resume-actions a {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--fg);
  font-size: 0.95rem;
}
.resume-actions a:hover {
  border-color: var(--fg);
  background: #fff;
}
.resume-embed {
  width: 100%;
  height: 90vh;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  color: var(--muted);
  font-size: 0.85rem;
}
footer.site .wrap {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  h1 { font-size: 1.6rem; }
  header.site .wrap { padding-top: 1.25rem; padding-bottom: 1.25rem; }
  header.site nav a { margin-left: 1rem; margin-right: 0; }
  .resume-embed { height: 75vh; }
}