:root {
  --paper:  #FBFAF7;
  --ink:    #1C201E;
  --muted:  #5F6763;
  --faint:  #8A928D;
  --line:   #E6E3DC;
  --hair:   #EEECE6;
  --accent: #3C665B;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:  #121513;
    --ink:    #E8EAE6;
    --muted:  #9AA29D;
    --faint:  #6E7671;
    --line:   #262A27;
    --hair:   #1E2220;
    --accent: #82B5A7;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: 42rem; margin: 0 auto; padding: 0 24px; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
a:hover, a:focus-visible { border-bottom-color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-feature-settings: "tnum" 1;
}

/* ---- header / nav ---- */
.site {
  border-bottom: 1px solid var(--line);
}
.site .nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  flex-wrap: wrap;
}
.wordmark {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--ink);
  border-bottom: 0;
}
.site nav {
  display: flex;
  gap: 22px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.site nav a {
  color: var(--muted);
  border-bottom: 0;
}
.site nav a:hover { color: var(--accent); }
.site nav a[aria-current="page"] { color: var(--ink); }

/* ---- page lead ---- */
.lead-block { padding: 60px 0 0; }
.lead-block h1 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.lead-block .tagline { color: var(--muted); font-size: 19px; }

.pagehead { padding: 52px 0 0; }
.pagehead .kicker {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}
.pagehead h1 {
  font-size: clamp(26px, 4.5vw, 34px);
  font-weight: 600;
  letter-spacing: -0.015em;
}

p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }
.prose { padding: 30px 0 0; }
.prose p { margin-bottom: 16px; }

/* ---- section scaffolding ---- */
.section-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
  display: block;
}
section { padding: 48px 0 0; }
.intro { color: var(--muted); font-size: 16.5px; margin-bottom: 30px; max-width: 38rem; }

/* ---- navigation cards (landing) ---- */
.cards { padding: 44px 0 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cards a {
  display: block;
  background: var(--paper);
  padding: 22px 22px;
  border-bottom: 0;
}
.cards a:hover { background: color-mix(in srgb, var(--accent) 6%, var(--paper)); }
.cards .card-title {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 7px;
}
.cards .card-desc { color: var(--ink); font-size: 16.5px; }

/* ---- entries ---- */
.entry { padding: 22px 0; }
.entry + .entry { border-top: 1px solid var(--hair); }
.entry:first-of-type { padding-top: 0; }
.field {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--faint);
  display: block;
  margin-bottom: 8px;
}
.field .num { color: var(--accent); }
.entry h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.005em;
  margin-bottom: 8px;
}
.qtext { margin-bottom: 12px; }
.note { font-size: 16px; color: var(--muted); margin-bottom: 0; }
.note + .note { margin-top: 10px; }
.note-label {
  font-weight: 600;
  color: var(--ink);
}

/* ---- active work ---- */
.project h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; }
.project p { margin-bottom: 12px; }
.project + .project { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--hair); }

/* ---- contact ---- */
.addr {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 16px;
  letter-spacing: 0.01em;
}

/* ---- colophon ---- */
.colophon { margin-top: 52px; padding: 26px 0 0; border-top: 1px solid var(--line); }
.colophon p { font-size: 14.5px; color: var(--faint); line-height: 1.58; }

/* ---- footer ---- */
footer { margin-top: 56px; padding: 22px 0 52px; border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; }
footer .mono { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
footer a.mono { color: var(--faint); border-bottom: 0; }
footer a.mono:hover { color: var(--accent); }

@media (max-width: 480px) {
  body { font-size: 17px; }
  .lead-block { padding-top: 44px; }
  .pagehead { padding-top: 38px; }
  section { padding-top: 40px; }
}