/* ============================================================
   Research Integrity Office · NCBS
   Palette drawn from the RIO logo:
   ink   #14382A  deep green (text)
   leaf  #4CAF72  logo green (links, active)
   teal  #3D8B8B  logo teal (labels, secondary)
   nib   #E8842C  logo orange (single accent)
   Typeface: Times New Roman throughout.
   ============================================================ */

:root {
  --ink: #14382A;
  --ink-soft: #3E5A4E;
  --leaf: #4CAF72;
  --leaf-deep: #2E7D53;
  --teal: #3D8B8B;
  --nib: #E8842C;
  --paper: #FFFFFF;
  --mist: #F2F7F4;
  --hairline: #DCE7E0;
  --ok: #2E7D53;
  --warn: #B4690E;
  --stop: #A94436;
  --maxw: 1060px;
  --serif: "Times New Roman", Times, "Liberation Serif", serif;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  font-family: var(--serif);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--leaf-deep); text-decoration: none; border-bottom: 1px solid transparent; transition: color .15s, border-color .15s; }
a:hover { color: var(--nib); border-bottom-color: var(--nib); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--nib); outline-offset: 3px; border-radius: 2px;
}

/* ---------- navigation ---------- */
header.site {
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
  position: sticky; top: 0; z-index: 50;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 13px; border: none; }
.brand img { height: 42px; width: auto; display: block; }
.brand .brand-text { line-height: 1.25; }
.brand .brand-text strong { display: block; font-size: 17px; font-weight: 700; color: var(--ink); }
.brand .brand-text span { font-size: 12px; letter-spacing: .07em; text-transform: uppercase; color: var(--teal); }
nav.menu { display: flex; gap: 24px; }
nav.menu a { font-size: 15px; color: var(--ink-soft); border: none; padding: 4px 0; position: relative; }
nav.menu a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--nib); transition: right .2s ease;
}
nav.menu a:hover { color: var(--ink); }
nav.menu a:hover::after, nav.menu a.active::after { right: 0; }
nav.menu a.active { color: var(--ink); }
.menu-toggle { display: none; background: none; border: 1px solid var(--hairline); border-radius: 6px; padding: 6px 12px; font-family: var(--serif); font-size: 14px; color: var(--ink); cursor: pointer; }

/* ---------- shared blocks ---------- */
.eyebrow {
  font-size: 12.5px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 12px;
}
h1 { font-weight: 700; font-size: clamp(25px, 3.2vw, 33px); line-height: 1.22; letter-spacing: 0; }
h2 { font-weight: 700; font-size: clamp(20px, 2.4vw, 24px); line-height: 1.28; margin-bottom: 14px; }
h3 { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.lede { font-size: 18px; line-height: 1.7; color: var(--ink-soft); max-width: 48em; }
section { padding: 56px 0; }
section.tint { background: var(--mist); }
.rule { border: none; border-top: 1px solid var(--hairline); }

.grid-2 { display: grid; grid-template-columns: 1.15fr .85fr; gap: 52px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.card {
  background: var(--paper); border: 1px solid var(--hairline); border-radius: 10px;
  padding: 26px; transition: border-color .15s, box-shadow .15s;
}
.card:hover { border-color: var(--leaf); box-shadow: 0 4px 18px rgba(20,56,42,.06); }
.card .k { font-size: 12px; color: var(--teal); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--ink-soft); }

.btn {
  display: inline-block; background: var(--ink); color: #fff; border: none;
  padding: 11px 24px; border-radius: 6px; font-size: 15.5px; font-family: var(--serif);
  transition: background .15s; cursor: pointer;
}
.btn:hover { background: var(--nib); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn.ghost:hover { border-color: var(--nib); color: var(--nib); background: transparent; }

/* ---------- photographs ---------- */
figure.photo { margin: 0; }
figure.photo img {
  display: block; width: 100%; height: auto; border-radius: 8px;
  border: 1px solid var(--hairline);
}
figure.photo figcaption {
  font-size: 13px; color: var(--teal); margin-top: 8px;
  letter-spacing: .04em;
}
.photo-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 26px; }
.photo-band img { width: 100%; height: 240px; object-fit: cover; }

/* ---------- hero with network-map background ---------- */
.hero {
  padding: 72px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: url("assets/network-map.png") center / cover no-repeat;
  opacity: 0.09;
  pointer-events: none;
}
.hero > .wrap { position: relative; }
.hero .grid-2 { align-items: center; }

/* subtler network wash for inner-page heros */
.hero.inner { padding: 52px 0 40px; }
.hero.inner::before { opacity: 0.05; }

/* ---------- quotes ---------- */
blockquote.q {
  border-left: 3px solid var(--leaf);
  background: var(--paper);
  padding: 20px 26px;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}
blockquote.q footer {
  margin-top: 12px; font-size: 13.5px; color: var(--teal);
  font-style: normal;
}
blockquote.q footer a { color: var(--teal); border-bottom: 1px solid var(--hairline); }
blockquote.q footer a:hover { color: var(--nib); }
.qlist blockquote.q { margin-bottom: 18px; }
blockquote.centrepiece {
  border: none; background: none; text-align: center;
  font-size: 19px; font-style: italic; color: var(--ink);
  max-width: 42em; margin: 26px auto 0; padding: 0 12px;
  line-height: 1.8;
}

/* ---------- honour code ---------- */
.honour {
  background: var(--mist);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 34px 38px;
}
.honour p.codeline { font-size: 17.5px; line-height: 1.8; }
.honour .src-note { font-size: 13.5px; color: var(--teal); margin-top: 14px; }

/* ---------- procedures flow ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 26px; }
.flow .step { padding: 20px 20px 24px; border: 1px solid var(--hairline); border-right: none; background: var(--paper); }
.flow .step:first-child { border-radius: 10px 0 0 10px; }
.flow .step:last-child { border-right: 1px solid var(--hairline); border-radius: 0 10px 10px 0; }
.flow .n { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--nib); margin-bottom: 8px; }
.flow h4 { font-size: 16.5px; margin-bottom: 6px; }
.flow p { font-size: 14px; color: var(--ink-soft); line-height: 1.55; }

/* ---------- resources: section toggle ---------- */
.res-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.res-tab-btn {
  font-family: var(--serif); font-size: 15px;
  padding: 10px 20px; border-radius: 999px; border: 1px solid var(--hairline);
  background: var(--paper); color: var(--ink-soft); cursor: pointer; transition: all .15s;
}
.res-tab-btn:hover { border-color: var(--nib); color: var(--nib); }
.res-tab-btn.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.res-tab { display: none; }
.res-tab.on { display: block; }

/* ---------- resources ---------- */
.res-list { border-top: 1px solid var(--hairline); margin-top: 8px; }
.res-item { padding: 22px 0; border-bottom: 1px solid var(--hairline); }
.res-item h3 { margin-bottom: 6px; font-size: 17.5px; }
.res-item p { font-size: 15.5px; color: var(--ink-soft); max-width: 56em; }
.res-item .go { display: inline-block; margin-top: 8px; font-size: 14.5px; }
.note {
  border-left: 3px solid var(--nib); background: var(--mist);
  padding: 14px 18px; font-size: 14.5px; color: var(--ink-soft);
  border-radius: 0 8px 8px 0; max-width: 60em;
}

/* research integrity register (static entries) */
.ri-register details {
  border: 1px solid var(--hairline); border-radius: 10px;
  background: var(--paper); margin-bottom: 12px; overflow: hidden;
}
.ri-register summary {
  cursor: pointer; list-style: none; padding: 20px 24px;
}
.ri-register summary::-webkit-details-marker { display: none; }
.ri-register summary .org { font-weight: 700; font-size: 17px; }
.ri-register summary .scope { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--teal); margin-left: 10px; }
.ri-register summary .line { font-size: 15px; color: var(--ink-soft); margin-top: 5px; max-width: 56em; }
.ri-register .body { padding: 0 24px 22px; border-top: 1px solid var(--mist); }
.ri-register .body p { font-size: 15px; color: var(--ink-soft); margin-top: 12px; max-width: 58em; }
.ri-register .body p strong { color: var(--ink); }
.ri-register .body .src { font-size: 14px; margin-top: 12px; }
.ri-register details[open] { border-color: var(--leaf); }

/* ============================================================
   AI policy register (interactive, register.js)
   ============================================================ */
.register-tools { display:flex; gap:14px; flex-wrap:wrap; align-items:center; margin:22px 0 10px; }
.register-tools input[type="search"] {
  flex:1 1 300px; padding:11px 15px; border:1px solid var(--hairline); border-radius:6px;
  font-family:var(--serif); font-size:15px; color:var(--ink); background:var(--paper);
}
.register-tools input[type="search"]::placeholder { color:#9DB4A8; }
.filters { display:flex; gap:8px; flex-wrap:wrap; }
.filter-btn {
  font-family:var(--serif); font-size:13.5px;
  padding:7px 14px; border-radius:999px; border:1px solid var(--hairline);
  background:var(--paper); color:var(--ink-soft); cursor:pointer; transition:all .15s;
}
.filter-btn:hover { border-color:var(--nib); color:var(--nib); }
.filter-btn.on { background:var(--ink); border-color:var(--ink); color:#fff; }

.register-meta {
  display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
  font-size:13px; color:var(--teal); margin:6px 0 20px;
}
#expand-all {
  font-family:var(--serif); font-size:13px; color:var(--ink-soft); background:none;
  border:1px solid var(--hairline); border-radius:999px; padding:6px 14px; cursor:pointer;
}
#expand-all:hover { border-color:var(--nib); color:var(--nib); }
.empty { font-size:15px; color:var(--ink-soft); padding:26px 4px; }

/* --- comparison matrix --- */
.mx-wrap { overflow-x:auto; margin-top:24px; border:1px solid var(--hairline); border-radius:10px; }
table.mx { width:100%; border-collapse:collapse; font-size:14px; min-width:720px; }
table.mx th, table.mx td { text-align:left; padding:12px 15px; border-bottom:1px solid var(--hairline); }
table.mx thead th {
  font-size:12px; letter-spacing:.09em; text-transform:uppercase;
  color:var(--teal); background:var(--mist); font-weight:400;
}
table.mx tbody th { font-weight:700; font-size:14.5px; color:var(--ink); white-space:nowrap; }
table.mx tbody tr:last-child th, table.mx tbody tr:last-child td { border-bottom:none; }
table.mx tbody tr:hover td, table.mx tbody tr:hover th { background:var(--mist); }
table.mx td { color:var(--ink-soft); }
table.mx td.na { color:#B9CBC1; }
.dot { display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:8px; vertical-align:middle; }
.dot.ok { background:var(--ok); } .dot.warn { background:var(--warn); } .dot.stop { background:var(--stop); }

/* --- entries --- */
.entry {
  border:1px solid var(--hairline); border-radius:10px; margin-bottom:14px;
  background:var(--paper); overflow:hidden; transition:border-color .18s, box-shadow .18s;
}
.entry:hover { border-color:var(--leaf); box-shadow:0 6px 24px rgba(20,56,42,.07); }
.entry.open { border-color:var(--leaf); }
.entry-head {
  display:block; width:100%; text-align:left; background:none; border:none;
  padding:22px 26px 18px; cursor:pointer; font-family:inherit; color:inherit; position:relative;
}
.entry-org { display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; margin-bottom:8px; }
.entry-org .name { font-size:14px; letter-spacing:.03em; color:var(--ink-soft); }
.entry-org .cat { font-size:11.5px; letter-spacing:.09em; text-transform:uppercase; color:var(--teal); }
.entry .verdict {
  font-size:17.5px; font-weight:700;
  line-height:1.45; color:var(--ink); transition:color .15s; max-width:52em;
}
.entry:hover .verdict, .entry.open .verdict { color:var(--leaf-deep); }
.entry-full { font-size:13.5px; color:#7E9689; margin-top:7px; }
.chips { display:flex; gap:8px; flex-wrap:wrap; margin-top:13px; }
.chip { font-size:12.5px; padding:3px 11px; border-radius:999px; border:1px solid; }
.chip.ok   { color:var(--ok);   border-color:#BBDCC8; background:#F0F8F3; }
.chip.warn { color:var(--warn); border-color:#EED5B4; background:#FCF5EA; }
.chip.stop { color:var(--stop); border-color:#E7C4BE; background:#FBF1EF; }
.more { display:inline-block; margin-top:13px; font-size:12.5px; letter-spacing:.05em; color:var(--teal); opacity:.85; }
.more::after { content:" ↓"; }
.entry.open .more { display:none; }

.entry-body {
  max-height:0; overflow:hidden; transition:max-height .35s ease, padding .3s ease;
  padding:0 26px; border-top:0 solid var(--hairline);
}
.entry.open .entry-body { max-height:2400px; padding:20px 26px 24px; border-top:1px solid var(--hairline); }
.field { display:grid; grid-template-columns:150px 1fr; gap:20px; padding:13px 0; border-bottom:1px solid var(--mist); }
.field:last-of-type { border-bottom:none; }
.fk { font-size:11.5px; letter-spacing:.09em; text-transform:uppercase; color:var(--teal); padding-top:3px; }
.field p { font-size:15px; color:var(--ink-soft); line-height:1.7; max-width:56em; }
.field p strong { color:var(--ink); font-weight:700; }
.field.takeaway { background:var(--mist); border-radius:8px; padding:15px 17px; margin-top:8px; border-bottom:none; }
.field.takeaway p { color:var(--ink); }
.entry-body .meta-row {
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  flex-wrap:wrap; margin-top:18px; padding-top:15px; border-top:1px solid var(--hairline);
}
.entry-body .verified { font-size:12.5px; color:var(--teal); max-width:60%; line-height:1.6; }
.entry-body .out { font-size:14px; color:var(--leaf-deep); border-bottom:1px solid var(--hairline); }
.entry-body .out:hover { color:var(--nib); border-bottom-color:var(--nib); }

.legend { display:flex; gap:16px; flex-wrap:wrap; margin:16px 0 4px; font-size:12.5px; color:var(--ink-soft); }
.legend .chip { pointer-events:none; }

.disclaimer {
  border-left:3px solid var(--nib); background:var(--mist);
  padding:15px 19px; font-size:14.5px; color:var(--ink-soft); border-radius:0 8px 8px 0; max-width:60em;
}

/* ---------- definitions list ---------- */
.defs { margin-top: 24px; border-top: 1px solid var(--hairline); }
.defs .def { padding: 18px 0; border-bottom: 1px solid var(--hairline); }
.defs .src { font-size: 12.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--teal); margin-bottom: 4px; }
.defs p { font-size: 15.5px; color: var(--ink-soft); max-width: 46em; }
.defs p.quote { color: var(--ink); }
.defs .cite { font-size: 13.5px; margin-top: 4px; }

/* ---------- events ---------- */
.event {
  border: 1px solid var(--hairline); border-radius: 10px; padding: 26px 28px;
  background: var(--paper); max-width: 46em;
}
.event .when { font-size: 12.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--nib); margin-bottom: 8px; }
.event p { font-size: 15.5px; color: var(--ink-soft); margin-top: 6px; }

/* ---------- contact ---------- */
.contact-card { background: var(--mist); border: 1px solid var(--hairline); border-radius: 12px; padding: 34px; max-width: 560px; }
.contact-card .line { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--hairline); font-size: 16px; }
.contact-card .line:last-child { border-bottom: none; }
.contact-card .label { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--teal); min-width: 90px; padding-top: 4px; }

/* ---------- newsletter ---------- */
.coming {
  display: inline-block; font-size: 13.5px; letter-spacing: .07em;
  color: var(--nib); border: 1px solid var(--nib); border-radius: 999px; padding: 5px 14px;
}

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--hairline); padding: 38px 0 46px; margin-top: 40px;
  font-size: 14.5px; color: var(--ink-soft);
}
footer .cols { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
footer .stamp { font-size: 12.5px; color: var(--teal); margin-top: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .grid-2, .grid-3, .photo-band { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow .step { border-right: 1px solid var(--hairline); border-bottom: none; }
  .flow .step:first-child { border-radius: 10px 10px 0 0; }
  .flow .step:last-child { border-bottom: 1px solid var(--hairline); border-radius: 0 0 10px 10px; }
  nav.menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--hairline);
    flex-direction: column; gap: 0; padding: 8px 24px 16px;
  }
  nav.menu.openm { display: flex; }
  nav.menu a { padding: 12px 0; border-bottom: 1px solid var(--mist); }
  .menu-toggle { display: block; }
  section { padding: 44px 0; }
  .hero { padding: 48px 0 40px; }
}
@media (max-width: 700px) {
  .field { grid-template-columns: 1fr; gap: 6px; }
  .entry-head { padding: 19px 19px 17px; }
  .entry.open .entry-body { padding: 17px 19px 21px; }
  .entry-body .verified { max-width: 100%; }
  .honour { padding: 26px 22px; }
}

/* ---------- register search with suggestions ---------- */
.reg-search { position: relative; max-width: 660px; margin-top: 26px; }
.reg-search input[type="search"] {
  width: 100%; padding: 14px 18px; border: 1px solid var(--hairline); border-radius: 8px;
  font-family: var(--serif); font-size: 16.5px; color: var(--ink); background: var(--paper);
  box-shadow: 0 2px 10px rgba(20,56,42,.04);
}
.reg-search input[type="search"]::placeholder { color: #9DB4A8; }
.sugg {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: var(--paper); border: 1px solid var(--hairline); border-radius: 8px;
  box-shadow: 0 12px 32px rgba(20,56,42,.12); z-index: 40;
  max-height: 330px; overflow-y: auto;
}
.sugg button {
  display: block; width: 100%; text-align: left; padding: 10px 16px;
  background: none; border: none; border-bottom: 1px solid var(--mist);
  font-family: var(--serif); font-size: 15px; color: var(--ink); cursor: pointer;
}
.sugg button:last-child { border-bottom: none; }
.sugg button:hover, .sugg button:focus-visible { background: var(--mist); }
.sugg .sugg-org { color: var(--teal); font-size: 13px; }
.hero .filters { margin-top: 18px; }

.sugg .sugg-note {
  display: block; padding: 10px 16px; font-size: 13.5px; color: var(--ink-soft);
  border-bottom: 1px solid var(--mist); background: var(--mist);
}
.sugg .sugg-note:last-child { border-bottom: none; }

/* ---------- journal-level verification banner ---------- */
.jnote {
  border-left: 3px solid var(--leaf); background: var(--mist);
  padding: 15px 19px; font-size: 14.5px; color: var(--ink);
  border-radius: 0 8px 8px 0; margin-bottom: 18px; line-height: 1.65;
}
.jnote.plain { border-left-color: var(--hairline); color: var(--ink-soft); }
.jnote strong { font-size: 15px; }

/* ---------- jump link to comparison table ---------- */
.legend .jump {
  font-size: 13px; padding: 3px 13px; border-radius: 999px;
  border: 1px solid var(--hairline); color: var(--ink-soft); background: var(--paper);
  margin-left: auto;
}
.legend .jump:hover { border-color: var(--nib); color: var(--nib); }

/* ---------- resources hub cards ---------- */
a.cardlink { display: block; border-bottom: none; color: inherit; }
a.cardlink h3 { transition: color .15s; }
a.cardlink:hover h3 { color: var(--leaf-deep); }
a.cardlink .opener { margin-top: 14px; font-size: 14px; color: var(--leaf-deep); }
a.cardlink:hover .opener { color: var(--nib); }