:root {
  color-scheme: light;
  --ink: #151617;
  --muted: #5d646b;
  --line: #d8dddf;
  --paper: #fffdf8;
  --field: #f5f7f6;
  --green: #1f4f3f;
  --green-2: #2f6f58;
  --red: #7f1d2d;
  --gold: #b07a25;
  --shadow: 0 18px 45px rgba(21, 22, 23, .14);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.62;
}

a { color: var(--red); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--green); }
img { max-width: 100%; display: block; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
  background: rgba(31, 79, 63, .09);
  border: 1px solid rgba(31, 79, 63, .16);
  border-radius: 5px;
  padding: .08rem .28rem;
}

.skip-link {
  position: absolute;
  left: .75rem;
  top: .75rem;
  transform: translateY(-160%);
  background: var(--ink);
  color: white;
  padding: .55rem .75rem;
  z-index: 20;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: .75rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(21, 22, 23, .12);
  background: rgba(255, 253, 248, .92);
  backdrop-filter: blur(14px);
}
.site-mark {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--ink);
  text-decoration: none;
}
.site-mark span {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: 0;
}
.site-mark strong { font-size: .98rem; }
.site-header nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .25rem .5rem;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.site-header nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: .88rem;
  padding: .35rem .55rem;
  border-radius: 6px;
}
.site-header nav a:hover { background: rgba(31, 79, 63, .09); }

.hero {
  position: relative;
  min-height: clamp(520px, 80vh, 760px);
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid rgba(21, 22, 23, .16);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("assets/people/john-m-mckenna-i-titlepage.png");
  background-size: cover;
  background-position: center 38%;
  filter: saturate(.9) contrast(1.02);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(13, 19, 17, .62);
}
.hero-copy {
  max-width: 980px;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 5vw, 5rem);
  color: white;
  text-shadow: 0 1px 16px rgba(0, 0, 0, .42);
}
.eyebrow {
  margin: 0 0 .7rem;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #f2d28e;
}
.hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 7.4rem);
  line-height: .92;
  letter-spacing: 0;
}
.hero p:not(.eyebrow) {
  max-width: 780px;
  margin: 1.25rem 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .72rem 1rem;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 6px;
  color: white;
  text-decoration: none;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  text-shadow: none;
}
.button.primary {
  background: white;
  color: var(--green);
  border-color: white;
}
.button:hover { background: rgba(255, 255, 255, .14); color: white; }
.button.primary:hover { background: #f2d28e; color: var(--ink); border-color: #f2d28e; }

.quick-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
  background: white;
}
.quick-map a {
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .25rem;
  padding: 1rem clamp(1rem, 3vw, 2rem);
  color: var(--ink);
  text-decoration: none;
  border-right: 1px solid var(--line);
}
.quick-map a:last-child { border-right: 0; }
.quick-map span {
  color: var(--gold);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .78rem;
  font-weight: 800;
}
.quick-map strong { font-size: 1rem; }
.quick-map a:hover { background: var(--field); }

.research-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 4rem) clamp(1rem, 4vw, 3rem) 5rem;
}
.research-page > h2 {
  margin: 3.2rem 0 1rem;
  padding-top: .4rem;
  border-top: 2px solid var(--ink);
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  line-height: 1.08;
}
.research-page h3 {
  margin: 2rem 0 .65rem;
  font-size: clamp(1.18rem, 2vw, 1.5rem);
}
.research-page h4 {
  margin: 1.5rem 0 .8rem;
  font-size: 1.05rem;
  color: var(--green);
}
.research-brief {
  border-left: 4px solid var(--green);
  background: white;
  box-shadow: var(--shadow);
  border-radius: 8px;
  padding: clamp(1rem, 3vw, 1.4rem);
}
.section-kicker {
  margin: 0 0 .35rem;
  color: var(--gold);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 800;
}
.research-brief h2 { margin-top: 0; }
.research-brief-grid,
.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.photo-plate {
  margin: 0;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.photo-plate img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f2f4f3;
}
figcaption {
  padding: .85rem 1rem 1rem;
  color: var(--muted);
  font-size: .95rem;
}

.evidence-list,
.target-list {
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: .75rem;
}
.evidence-list li,
.target-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: .8rem;
  padding: .9rem 1rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.7rem;
  padding: .24rem .5rem;
  border-radius: 999px;
  font: 700 .72rem/1 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: uppercase;
}
.status-proven { color: white; background: var(--green); }
.status-likely { color: var(--ink); background: #f2d28e; }
.status-open { color: white; background: var(--red); }
.evidence-list p { margin: 0; }

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  margin: 1rem 0;
}
summary {
  cursor: pointer;
  padding: .9rem 1rem;
  font-weight: 800;
  color: var(--green);
}
.qa-transcript,
.interview-transcript {
  padding: 0 clamp(1rem, 3vw, 1.5rem) 1.4rem;
}
.qa-page {
  margin: 1rem 0;
  padding: 1rem;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 8px;
}
dt {
  margin-top: .85rem;
  font-weight: 800;
  color: var(--ink);
}
dd { margin: .25rem 0 .7rem 0; }
.source-page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  padding: 0 1rem 1rem;
}
.source-page {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
}
.source-page img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: #eef1ef;
}
.transcript-note,
.source-note {
  color: var(--muted);
  background: rgba(31, 79, 63, .06);
  border-left: 4px solid var(--green);
  padding: .9rem 1rem;
  border-radius: 0 8px 8px 0;
}
.audio-source {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}
audio { width: 100%; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: white;
  padding: 2rem clamp(1rem, 4vw, 3rem);
}
.site-footer p {
  max-width: 980px;
  margin: 0 auto .65rem;
}
.site-footer code {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .22);
  color: white;
}

@media (max-width: 800px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .site-header nav { justify-content: flex-start; }
  .quick-map,
  .research-brief-grid,
  .photo-grid { grid-template-columns: 1fr; }
  .quick-map a { border-right: 0; border-bottom: 1px solid var(--line); }
  .quick-map a:last-child { border-bottom: 0; }
  .hero { min-height: 640px; }
  .hero-copy { padding-top: 7rem; }
  .evidence-list li,
  .target-list li { grid-template-columns: 1fr; }
}