/* About — the entity and evidence page. Reading-first: one column, generous
   measure, and clear separation between what we have and what we do not. */

.about { padding: clamp(44px, 6vw, 88px) 0 clamp(64px, 8vw, 110px); }
.about-wrap { width: min(calc(100% - 40px), 760px); margin-inline: auto; }

.about-head { padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.about-head .eyebrow {
  font-size: .72rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--violet); margin: 0 0 14px;
}
.about-head h1 {
  margin: 0 0 20px; font-size: clamp(32px, 5.5vw, 52px);
  line-height: 1.08; letter-spacing: -.025em; text-wrap: balance;
}
.about-head .lede {
  margin: 0; font-size: clamp(17px, 1.7vw, 20px); line-height: 1.6;
  color: var(--ink-soft); max-width: 58ch;
}

.about section { padding-top: clamp(38px, 5vw, 56px); }
.about h2 {
  margin: 0 0 16px; font-size: clamp(22px, 2.8vw, 29px);
  line-height: 1.2; letter-spacing: -.02em;
}
.about h3 { margin: 0 0 6px; font-size: 17px; line-height: 1.3; }
.about p { margin: 0 0 16px; line-height: 1.72; color: var(--ink-soft); max-width: 64ch; }
.about p:last-child { margin-bottom: 0; }
.about b { color: var(--ink); font-weight: 600; }
.about a { color: var(--violet-dark); text-underline-offset: 3px; }

ul.plain { margin: 0 0 16px; padding-left: 20px; max-width: 64ch; }
ul.plain li { margin-bottom: 11px; line-height: 1.68; color: var(--ink-soft); }
ul.plain li::marker { color: var(--muted); }

/* the boundaries section is the one that must not be skimmed past */
.boundaries {
  margin-top: clamp(38px, 5vw, 56px);
  padding: clamp(24px, 3.5vw, 36px);
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  border-radius: 4px;
}
.boundaries h2 { margin-top: 0; }

/* three evidence categories, visually separated by what we can and cannot claim */
.evidence {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px; margin: 24px 0;
}
.ev {
  padding: 18px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--white);
}
.ev p { font-size: 14.5px; margin: 0; }
.ev-tag {
  display: inline-block; margin-bottom: 10px; padding: 3px 9px;
  border-radius: 2px; font-size: .64rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
}
.ev-yes { background: #E3F1E9; color: #1F6B44; }
.ev-no  { background: #F4F1EA; color: var(--muted); }

.note {
  margin-top: 20px; padding: 16px 18px; border-radius: 4px;
  background: var(--cream-deep); font-size: 15px; color: var(--ink-soft);
}

.team { display: grid; gap: 14px; margin-top: 22px; }
.member {
  padding: 20px 22px; border: 1px solid var(--line);
  border-radius: 4px; background: var(--white); scroll-margin-top: 90px;
}
.member h3 { margin: 0 0 3px; font-size: 18px; }
.member .role {
  margin: 0 0 10px; font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--violet-dark);
}
.member p:last-child { font-size: 15px; margin: 0; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

@media (max-width: 640px) {
  .about-wrap { width: calc(100% - 32px); }
  .evidence { grid-template-columns: 1fr; }
}

/* Citation block — a published paper is a credential, so it is set like one. */
.citation {
  margin: 20px 0 28px; padding: 20px 22px;
  background: var(--white); border: 1px solid var(--line);
  border-left: 3px solid var(--violet); border-radius: 4px;
}
.citation p { margin: 0 0 6px; max-width: none; }
.cite-authors { font-size: 14.5px; color: var(--muted); }
.cite-title { font-size: 17px; line-height: 1.4; font-weight: 600; }
.cite-title a { color: var(--ink); text-decoration-color: var(--line); }
.cite-title a:hover { color: var(--violet-dark); }
.cite-meta { font-size: 14px; color: var(--ink-soft); }
.cite-meta .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.cite-note { margin-top: 10px !important; font-size: 13.5px; color: var(--muted); }
.about #research h3 { margin-top: 22px; font-size: 16px; color: var(--ink); }
.cite-links { margin-top: 12px !important; display: flex; gap: 10px; flex-wrap: wrap;
  align-items: center; font-size: 13.5px; }
.cite-links a { color: var(--violet-dark); font-weight: 600; text-underline-offset: 3px; }
.cite-links span { color: var(--muted); }