:root {
  --ground: #f7f7f4;
  --ink: #17171a;
  --muted: #6e6e68;
  --accent: #1f3fd8;
  --hairline: rgba(23, 23, 26, 0.16);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--ground);
  color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 1.5rem; }

.label {
  font: 500 0.68rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

header.site {
  border-bottom: 1px solid var(--hairline);
}
header.site .wrap {
  display: flex; justify-content: space-between; align-items: center;
  height: 64px;
}
.wordmark { font-weight: 600; font-size: 0.9rem; letter-spacing: -0.01em; }
nav.primary { display: flex; gap: 1.8rem; }
nav.primary a { font-size: 0.82rem; color: var(--muted); }
nav.primary a:hover { color: var(--ink); }

.hero { padding: clamp(4rem, 10vw, 7.5rem) 0 clamp(3rem, 7vw, 5.5rem); }
.hero h1 {
  margin-top: 1.2rem;
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
  max-width: 18ch;
}
.hero h1 .accent { color: var(--accent); }
.hero .intro {
  margin-top: 2rem;
  max-width: 58ch;
  font-size: 1.08rem;
  color: #3a3a38;
}
.hero-meta {
  margin-top: 2.6rem;
  display: flex; flex-wrap: wrap; gap: 0.8rem 2.4rem;
  font-size: 0.85rem;
}
.hero-meta a { border-bottom: 1px solid var(--hairline); padding-bottom: 2px; }
.hero-meta a:hover { border-color: var(--accent); color: var(--accent); }

section { padding: clamp(3rem, 7vw, 5rem) 0; }
main section#work, main section#experience, main section#about { border-top: 1px solid var(--hairline); }
.section-head { display: flex; align-items: baseline; gap: 1.4rem; margin-bottom: 2.6rem; }
.section-head h2 { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }

/* flagship */
.flagship {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  gap: 2.5rem; align-items: center;
  border: 1px solid var(--ink);
  padding: clamp(1.4rem, 3.5vw, 2.6rem);
}
.flagship .flagship-label { color: var(--accent); }
.flagship h3 { margin-top: 0.5rem; font-size: 1.6rem; letter-spacing: -0.02em; font-weight: 650; }
.flagship .tagline { margin-top: 0.4rem; color: var(--accent); font-weight: 500; font-size: 0.95rem; }
.flagship p.body { margin-top: 1.1rem; font-size: 0.92rem; color: #3a3a38; }
.facts { margin-top: 1.4rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.facts span {
  font: 500 0.66rem/1 var(--mono); letter-spacing: 0.06em;
  border: 1px solid var(--hairline); padding: 0.42rem 0.55rem; color: var(--muted);
}
.flagship-link { display: inline-block; margin-top: 1.6rem; font-size: 0.85rem; font-weight: 500; color: var(--accent); }
.flagship-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.diagram svg { width: 100%; height: auto; display: block; }

/* project rows */
.rows { margin-top: 2.5rem; border-top: 1px solid var(--hairline); }
.row {
  display: grid; grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 1.5rem; align-items: baseline;
  padding: 1.35rem 0; border-bottom: 1px solid var(--hairline);
  position: relative;
}
.row > a.cover { position: absolute; inset: 0; }
.row h3 { font-size: 1.02rem; font-weight: 600; letter-spacing: -0.01em; }
.row p { font-size: 0.88rem; color: #4a4a46; max-width: 60ch; }
.row .lang { font: 500 0.66rem/1 var(--mono); letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.row:hover h3 { color: var(--accent); }
.row .goto { color: var(--muted); font-size: 0.9rem; }
.row:hover .goto { color: var(--accent); }
.footnote { margin-top: 1.6rem; font-size: 0.82rem; color: var(--muted); }
.footnote a { border-bottom: 1px solid var(--hairline); }
.footnote a:hover { color: var(--accent); border-color: var(--accent); }

/* experience */
.xp { border-top: 1px solid var(--hairline); padding: 0; }
.xp li {
  list-style: none;
  display: grid; grid-template-columns: 170px 1fr;
  gap: 1.5rem; padding: 1.15rem 0;
  border-bottom: 1px solid var(--hairline);
}
.xp time { font: 400 0.72rem/1.9 var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.xp strong { font-weight: 600; font-size: 0.95rem; }
.xp .org { color: var(--accent); font-weight: 500; }
.xp p { font-size: 0.85rem; color: #4a4a46; margin-top: 0.15rem; max-width: 62ch; }

/* about */
.about-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 3rem; }
.about-grid .bio p { max-width: 58ch; font-size: 0.95rem; color: #3a3a38; }
.about-grid .bio p + p { margin-top: 1rem; }
.creds-label { margin-bottom: 1rem; }
.creds { border-top: 1px solid var(--hairline); padding: 0; }
.creds li {
  list-style: none; display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 0; border-bottom: 1px solid var(--hairline); font-size: 0.85rem;
}
.creds time { font: 400 0.72rem/1.7 var(--mono); color: var(--muted); }

footer {
  border-top: 1px solid var(--ink);
  padding: 3rem 0 3.5rem;
}
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; align-items: baseline; }
footer .cta { font-size: 1.3rem; font-weight: 650; letter-spacing: -0.02em; }
footer nav { display: flex; flex-wrap: wrap; gap: 1.6rem; font-size: 0.85rem; }
footer nav a { border-bottom: 1px solid var(--hairline); padding-bottom: 2px; }
footer nav a:hover { color: var(--accent); border-color: var(--accent); }
.colophon { margin-top: 2rem; }

@media (max-width: 780px) {
  .flagship { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr auto; }
  .row .lang { grid-column: 1 / -1; order: -1; }
  .xp li { grid-template-columns: 1fr; gap: 0.2rem; }
  .about-grid { grid-template-columns: 1fr; }
  nav.primary { display: none; }
}