:root {
  --paper: #faf7f2;
  --paper-2: #f3eee5;
  --ink: #17140f;
  --muted: #6e6659;
  --faint: #9a9184;
  --line: #dcd3c4;
  --line-soft: #e8e1d4;
  --pos: #2e6b4b;
  --neg: #a33a2e;
  --neu: #8b8375;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Songti SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --max: 1080px;
  --prose: 720px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.prose { max-width: var(--prose); }

/* masthead */
.masthead {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--paper) 93%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.masthead-inner {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 24px; padding: 15px 28px; max-width: var(--max); margin: 0 auto;
}
.brand { font-family: var(--serif); font-size: 17px; letter-spacing: -0.01em; white-space: nowrap; }
.brand span { color: var(--faint); }
.nav { display: flex; gap: 22px; font-size: 12px; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); font-family: var(--mono); }
.nav a { position: relative; padding-bottom: 3px; transition: color .18s ease; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .22s cubic-bezier(.2,.7,.3,1);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }

/* hero */
.hero { padding: 88px 0 56px; }
.hero h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(46px, 8.4vw, 100px); line-height: 0.94;
  letter-spacing: -0.035em; margin: 0 0 24px;
}
.hero h1 em { font-style: italic; color: var(--muted); }
.hero p { font-size: 17px; color: var(--muted); max-width: 34em; margin: 0; }
.meta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 34px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--faint); }
.meta b { display: block; font-family: var(--serif); font-size: 26px; letter-spacing: -0.02em; color: var(--ink); font-weight: 400; margin-bottom: 2px; }

/* brand strip */
.brandbar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.brandstrip { display: flex; gap: 8px; overflow-x: auto; padding: 14px 28px; scrollbar-width: none; }
.brandstrip::-webkit-scrollbar { display: none; }
.brandchip {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  padding: 8px 14px 8px 12px; border: 1px solid var(--line); background: var(--paper);
  font-size: 13px; color: var(--muted); transition: border-color .18s, color .18s, background .18s;
}
.brandchip i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.brandchip .logo { color: var(--c); }
.brandchip:hover { border-color: var(--c); color: var(--ink); background: #fff; }

/* sections */
.section { padding: 60px 0; border-bottom: 1px solid var(--line); }
.section:last-of-type { border-bottom: 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 10px; }
.section-head h2 {
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin: 0;
}
.section-head a { font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 1px; transition: .18s; }
.section-head a:hover { color: var(--ink); border-color: var(--ink); }

/* chronicle timeline */
.chronicle { margin-top: 8px; }
.tl-year { display: flex; align-items: baseline; gap: 16px; padding: 48px 0 6px; }
.tl-year:first-child { padding-top: 16px; }
.tl-year .y { font-family: var(--serif); font-size: clamp(38px, 5vw, 56px); line-height: 1; letter-spacing: -0.04em; }
.tl-year .yc { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--faint); }

.tl { list-style: none; margin: 0; padding: 0; }
.tl-item {
  display: grid; grid-template-columns: 76px 24px 1fr; gap: 0 18px;
  padding: 13px 0; position: relative;
}
.tl-date {
  font-family: var(--mono); font-size: 12px; color: var(--faint);
  text-align: right; padding-top: 3px; letter-spacing: .03em; white-space: nowrap;
}
.tl-rail { position: relative; display: flex; justify-content: center; }
.tl-rail::before {
  content: ""; position: absolute; top: -13px; bottom: -13px; left: 50%;
  width: 1px; background: #d5c9b6;
}
.tl-item:first-child .tl-rail::before { top: 6px; }
.tl-dot {
  width: 11px; height: 11px; border-radius: 50%; background: var(--c);
  margin-top: 6px; position: relative; z-index: 1;
  box-shadow: 0 0 0 5px var(--paper), 0 0 0 6px color-mix(in srgb, var(--c) 22%, transparent);
}
.tl-body h3 {
  font-family: var(--serif); font-size: 19px; font-weight: 400;
  letter-spacing: -0.015em; margin: 0 0 3px; line-height: 1.35;
}
.tl-body h3 a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.tl-body h3 .pol { margin-left: 8px; }
.tl-body p { margin: 0; color: var(--muted); font-size: 14px; max-width: 62ch; }
.tl-meta {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--faint); margin-top: 6px;
}

.pol { font-family: var(--mono); font-size: 14px; line-height: 1; }
.pol--positive { color: var(--pos); }
.pol--negative { color: var(--neg); }
.pol--neutral { color: var(--faint); }
.pol--contested { color: var(--neu); }

/* lab grid */
.labgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); }
.labcard {
  display: flex; flex-direction: column; gap: 16px;
  padding: 26px 24px 20px; background: color-mix(in srgb, var(--c) 5%, var(--paper));
  transition: background .22s ease;
}
.labcard:hover { background: color-mix(in srgb, var(--c) 11%, var(--paper)); }
.lc-top { display: flex; align-items: center; gap: 12px; color: var(--c); }
.lc-name { font-family: var(--serif); font-size: 22px; color: var(--ink); letter-spacing: -0.02em; }
.lc-mid { font-size: 13.5px; color: var(--muted); line-height: 1.6; flex: 1; }
.lc-foot { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--faint); text-transform: uppercase; }

/* lab hero */
.lab-hero { padding: 68px 0 44px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, color-mix(in srgb, var(--c) 8%, var(--paper)), var(--paper)); }
.lh-mark { color: var(--c); margin-bottom: 20px; }
.lab-hero .kicker { color: var(--c); }
.lab-hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 6.4vw, 76px); line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 18px; }
.lab-hero .lede { font-size: 17px; color: var(--muted); max-width: 46em; margin: 0; }

/* person */
.person { display: grid; grid-template-columns: 260px 1fr; gap: 44px; align-items: start; }
.person-photo { margin: 0; border: 1px solid var(--line); background: var(--paper-2); }
.person-photo img { display: block; width: 100%; height: auto; }
.person-text h2 { font-family: var(--serif); font-weight: 400; font-size: 34px; letter-spacing: -0.025em; margin: 10px 0 6px; line-height: 1.1; }
.person-text h2 span { display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-top: 8px; }
.person-role { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--c); margin: 0 0 14px; }
.person-note { font-size: 15px; color: var(--muted); max-width: 42ch; margin: 0; }
.disclaim { font-size: 11.5px; color: var(--faint); border-top: 1px solid var(--line-soft); padding-top: 12px; margin: 22px 0 0; max-width: 42ch; }

/* index lists */
.index-list { list-style: none; margin: 0; padding: 0; }
.index-row {
  display: grid; grid-template-columns: 18px 1fr 168px 92px; gap: 20px;
  align-items: baseline; padding: 20px 0; border-top: 1px solid var(--line-soft);
  transition: padding-left .22s cubic-bezier(.2,.7,.3,1);
}
.index-list .index-row:first-child { border-top: 0; }
.index-row:hover { padding-left: 8px; }
.index-row .idx { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--faint)); align-self: center; }
.index-row .name { font-family: var(--serif); font-size: 24px; letter-spacing: -0.02em; line-height: 1.15; }
.index-row .name small { display: block; font-family: var(--sans); font-size: 13.5px; color: var(--muted); letter-spacing: 0; margin-top: 5px; max-width: 54ch; }
.index-row .year { font-family: var(--mono); font-size: 12.5px; color: var(--muted); text-align: right; }
.index-row .tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); text-align: right; }

/* detail head */
.detail-head { padding: 64px 0 42px; border-bottom: 1px solid var(--line); }
.detail-head.accent { background: linear-gradient(180deg, color-mix(in srgb, var(--c) 7%, var(--paper)), var(--paper)); }
.kicker { font-family: var(--mono); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); margin: 0 0 16px; }
.detail-head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(38px, 6vw, 68px); line-height: 1.02; letter-spacing: -0.03em; margin: 0 0 18px; }
.detail-head .lede { font-size: 17px; color: var(--muted); max-width: 46em; margin: 0; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); margin: 38px 0 0; }
.facts div { background: color-mix(in srgb, var(--paper) 92%, var(--c, white)); padding: 15px 17px; }
.facts dt { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 5px; }
.facts dd { margin: 0; font-size: 14px; }

/* chips & lists */
.item-section { margin-top: 48px; }
.item-section h2 {
  font-family: var(--mono); font-size: 12px; font-weight: 400; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 16px;
  padding-bottom: 9px; border-bottom: 1px solid var(--line-soft);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li { font-family: var(--mono); font-size: 12px; padding: 5px 10px; border: 1px solid var(--line); color: var(--muted); }
.chips.chips--neg li { border-color: color-mix(in srgb, var(--neg) 32%, var(--line)); color: var(--neg); }

.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { padding: 13px 0; border-top: 1px solid var(--line-soft); display: grid; grid-template-columns: 108px 1fr; gap: 18px; align-items: baseline; }
.plain-list li:first-child { border-top: 0; }
.plain-list .k { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.plain-list .v { font-size: 15px; }
.plain-list .v a { border-bottom: 1px solid var(--line); transition: border-color .18s; }
.plain-list .v a:hover { border-color: var(--ink); }

.empty { color: var(--faint); font-size: 14px; }

/* footer */
.site-foot { padding: 52px 0 68px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; }
.site-foot .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
.site-foot a { border-bottom: 1px solid var(--line); }
.site-foot a:hover { color: var(--ink); }

/* prose page */
.prose h2 { font-family: var(--serif); font-size: 26px; font-weight: 400; letter-spacing: -0.02em; margin: 42px 0 12px; }
.prose p { color: var(--muted); margin: 0 0 15px; }
.prose ul { color: var(--muted); padding-left: 20px; }
.prose li { margin-bottom: 7px; }
.prose code { font-family: var(--mono); font-size: 13px; background: var(--paper-2); padding: 2px 6px; }

/* motion */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(12px); animation: rise .7s cubic-bezier(.2,.7,.3,1) forwards; }
  .reveal:nth-child(2) { animation-delay: .06s; }
  .reveal:nth-child(3) { animation-delay: .12s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}

/* responsive */
@media (max-width: 820px) {
  .wrap { padding: 0 20px; }
  .masthead-inner { padding: 13px 20px; gap: 12px; }
  .nav { gap: 14px; font-size: 11px; letter-spacing: .08em; }
  .hero { padding: 54px 0 38px; }
  .section { padding: 40px 0; }
  .brandstrip { padding: 12px 20px; }
  .tl-item { grid-template-columns: 54px 20px 1fr; gap: 0 12px; }
  .tl-date { font-size: 11px; }
  .tl-year { padding: 34px 0 4px; }
  .tl-body h3 { font-size: 17px; }
  .person { grid-template-columns: 1fr; gap: 24px; }
  .person-photo { max-width: 260px; }
  .index-row { grid-template-columns: 14px 1fr; gap: 8px 14px; }
  .index-row .idx { align-self: baseline; margin-top: 10px; }
  .index-row .year, .index-row .tag { grid-column: 2; text-align: left; }
  .index-row .name { font-size: 20px; }
  .plain-list li { grid-template-columns: 1fr; gap: 3px; }
  .lab-hero { padding: 48px 0 32px; }
}