:root {
  color-scheme: light;
  --canvas: #eef1ed;
  --bg: #ffffff;
  --panel: #f6f8f6;
  --ink: #171b20;
  --ink-dim: #59646f;
  --ink-faint: #68747e;
  --line: #d9dfda;
  --accent: #087f78;
  --accent-dim: #78aaa6;
  --page-edge: rgba(23, 27, 32, 0.07);
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0e1116;
  --bg: #0e1116;
  --panel: #151a21;
  --ink: #e6e9ef;
  --ink-dim: #8b95a5;
  --ink-faint: #5a6472;
  --line: #232a34;
  --accent: #4fd1c5;
  --accent-dim: #2a6f6a;
  --page-edge: rgba(255, 255, 255, 0.025);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  overflow-wrap: break-word;
}

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--display);
  line-height: 1.55;
  font-size: 16px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: -1px -1px;
}

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 68px 28px 88px;
  background: var(--bg);
  box-shadow: 0 0 0 1px var(--page-edge);
}

/* masthead */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.name {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.tagline {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 400;
  max-width: 64ch;
}
.mast-links {
  display: flex;
  gap: 18px;
  flex-shrink: 0;
  align-items: center;
}
.mast-links a,
.theme-toggle {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .15s, border-color .15s;
}
.theme-toggle {
  appearance: none;
  border-top: 0;
  border-right: 0;
  border-left: 0;
  background: transparent;
  cursor: pointer;
}
.mast-links a:hover,
.theme-toggle:hover { color: var(--accent); border-bottom-color: var(--accent-dim); }
.mast-links a:focus-visible,
.theme-toggle:focus-visible,
.foot-links a:focus-visible {
  color: var(--accent);
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

/* intro */
.intro {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.intro p {
  font-size: 18px;
  color: var(--ink);
  max-width: 60ch;
}

/* blocks */
.block { padding: 32px 0; border-bottom: 1px solid var(--line); }
.block-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 500;
}
.tick {
  color: var(--accent);
  font-weight: 600;
}

/* domain grid */
.domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.domain {
  background: var(--panel);
  padding: 16px 18px;
}
.domain-name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}
.domain-note {
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.4;
}

/* skills */
.skill-groups { display: grid; gap: 10px; }
.skill-group {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  align-items: center;
}
.skill-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.skill-row { display: flex; flex-wrap: wrap; gap: 9px; }
.skill {
  padding: 7px 11px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
}

/* timeline rows */
.row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  padding: 12px 0;
}
.row + .row { border-top: 1px dashed var(--line); }
.row-period {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-faint);
  padding-top: 2px;
}
.row-title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.row-org { font-size: 14px; color: var(--ink-dim); margin-top: 2px; }
.row-meta {
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  line-height: 1.5;
}
.row-notes { list-style: none; margin-top: 8px; }
.row-notes li {
  font-size: 14px;
  color: var(--ink-dim);
  padding-left: 16px;
  position: relative;
  margin-bottom: 3px;
}
.row-notes li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 1px;
  background: var(--accent-dim);
}
/* footer */
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
}
.foot-links { display: flex; gap: 16px; }
.foot-links a { color: var(--ink-dim); text-decoration: none; }
.foot-links a:hover { color: var(--accent); }

/* responsive */
@media (max-width: 560px) {
  .page { padding: 48px 18px 64px; }
  .masthead { flex-direction: column; align-items: flex-start; gap: 16px; }
  .mast-id { min-width: 0; }
  .name { font-size: 28px; }
  .intro p { font-size: 16px; }
  .domain-grid { grid-template-columns: 1fr; }
  .skill-group { grid-template-columns: 1fr; gap: 5px; }
  .row { grid-template-columns: 1fr; gap: 4px; }
  .row-period { padding-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

@media print {
  :root,
  :root[data-theme="dark"] {
    color-scheme: light;
    --canvas: #ffffff;
    --bg: #ffffff;
    --panel: #f6f8f6;
    --ink: #171b20;
    --ink-dim: #59646f;
    --ink-faint: #68747e;
    --line: #d9dfda;
    --accent: #087f78;
    --accent-dim: #78aaa6;
    --page-edge: transparent;
  }

  body { background-image: none; }
  .page { max-width: none; padding: 0; box-shadow: none; }
  .theme-toggle { display: none; }
  .row,
  .domain-grid,
  .skill-group { break-inside: avoid; }
}