:root {
  --bg: #f7f7f4;
  --ink: #1a1c1e;
  --body: #3c4045;
  --muted: #65696f;
  --accent: #b45309;
  --line: #e4e2da;
  --card-bg: #fdfdfb;
  --chip-bg: transparent;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display: "Space Grotesk", "Inter", -apple-system, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --ink: #e9e7e2;
    --body: #b9bcc1;
    --muted: #8d929a;
    --accent: #e0913f;
    --line: #272a2e;
    --card-bg: #16181b;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 52px 28px 72px; }

/* nav */
.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 60px;
}
.nav-avatar {
  background: var(--ink);
  color: var(--bg);
  width: 40px;
  height: 40px;
  font-family: var(--mono);
  font-size: 13px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
}
.nav-links { display: flex; flex-wrap: wrap; gap: 22px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.15s, border-color 0.15s;
}
.nav-links a:hover { color: var(--ink); border-color: var(--line); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::before { content: "> "; color: var(--accent); }

/* headings & text */
h1 {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.role {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 28px;
}
p { max-width: 64ch; margin: 0 0 18px; color: var(--body); }
b, strong { color: var(--ink); }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); }
a:hover { text-decoration-color: var(--accent); }

.links-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 8px; font-size: 14px; }

/* section label */
.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 48px 0 18px;
}
.section-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* project entries */
.entry-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 820px) { .entry-grid { grid-template-columns: 1fr 1fr; } }
.entry {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px 15px;
  background: var(--card-bg);
}
.entry-body h3 { font-family: var(--display); font-size: 16px; font-weight: 600; margin: 0 0 4px; letter-spacing: -0.01em; }
.entry-meta { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.02em; margin-bottom: 6px; }
.entry-body p { font-size: 14.5px; margin: 0 0 9px; }
.entry-link { font-family: var(--mono); font-size: 12px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 7px;
  background: var(--chip-bg);
}

/* doodle timeline */
.timeline { margin: 6px 0 10px; }
.tl-row { display: flex; }
.tl-row.right { justify-content: flex-end; }
.tl-item {
  max-width: 46%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 17px 12px;
  background: var(--card-bg);
}
.tl-row.left .tl-item { transform: rotate(-0.5deg); }
.tl-row.right .tl-item { transform: rotate(0.5deg); }
.tl-year {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 7px;
  margin-bottom: 5px;
}
.tl-title { font-family: var(--display); font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.tl-note { font-size: 13.5px; color: var(--muted); margin: 3px 0 0; max-width: 40ch; }
.tl-arrow { display: block; width: min(300px, 55%); height: auto; margin: -14px auto -8px; color: var(--accent); opacity: 0.85; }
.tl-arrow.flip { transform: scaleX(-1); }
.tl-arrow path { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.tl-arrow-m { display: none; }
@media (max-width: 600px) {
  .tl-item { max-width: 100%; }
  .tl-row.right { justify-content: flex-start; }
  .tl-row.right .tl-item { transform: rotate(-0.5deg); }
  .tl-arrow { display: none; }
  .tl-arrow-m { display: block; width: 44px; height: auto; margin: 6px 18px; color: var(--accent); opacity: 0.85; }
  .tl-arrow-m path { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
}

/* resume blocks */
.resume-block { margin-bottom: 36px; }
.resume-block h2 { font-family: var(--display); font-size: 20px; font-weight: 600; margin: 0 0 4px; letter-spacing: -0.01em; }
.resume-sub { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.resume-block ul { margin: 0; padding-left: 18px; font-size: 14.5px; color: var(--body); max-width: 78ch; }
.resume-block li { margin-bottom: 7px; }
.resume-block li::marker { color: var(--muted); }
.skill-line { font-size: 14px; margin-bottom: 6px; max-width: 88ch; }
.skill-line .cat { font-weight: 600; color: var(--ink); }

/* footer */
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  margin-top: 76px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.footer-quote { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin: 0; }
.footer-meta { font-family: var(--mono); font-size: 12px; color: var(--muted); text-align: right; white-space: nowrap; }

@media (max-width: 540px) {
  h1 { font-size: 29px; }
  .footer { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}