:root {
  --paper: #f5f0e5;
  --paper-2: #eae1cc;
  --card: #fffdf8;
  --ink: #1b2330;
  --navy: #15305a;
  --navy-2: #0b1d3a;
  --blue: #2f5fa0;
  --blue-soft: #e8eef8;
  --orange: #bf5019;
  --orange-soft: #f4e0cc;
  --muted: #5c6152;
  --muted-2: #837c68;
  --line: #ddd0ac;
  --line-strong: rgba(21, 47, 87, 0.2);
  --white: #fff;
  --shadow: 0 16px 40px rgba(43, 33, 15, 0.1);
  --shadow-soft: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 16px 40px rgba(43, 33, 15, 0.1);
  --radius: 22px;
  --max: 1360px;
  /* validated categorical chart slots (dataviz skill, light mode, surface #fff) */
  --series-gpt: #2a78d6;
  --series-qwen: #eb6834;
  --series-mistral: #1baf7a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(47, 95, 160, .09), transparent 30rem),
    radial-gradient(circle at 94% 10%, rgba(191, 80, 25, .1), transparent 26rem),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/></svg>"),
    var(--paper);
  background-attachment: fixed;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--navy);
}

img {
  max-width: 100%;
  display: block;
}

code {
  font-family: "IBM Plex Mono", monospace;
  font-size: .93em;
  background: var(--paper-2);
  border-radius: 5px;
  padding: .12em .38em;
  color: #3a3220;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.page-shell {
  padding: 0 0 56px;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line-strong);
  background: rgba(247, 245, 239, .92);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 60px;
  position: relative;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fffdf8;
  color: var(--navy);
  font-size: 1rem;
  cursor: pointer;
}

.brand {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--navy);
  font-size: .95rem;
  white-space: nowrap;
}

.brand b {
  color: var(--orange);
}

.navlinks {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  justify-content: flex-end;
}

.navlinks::-webkit-scrollbar {
  display: none;
}

.navlinks a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 11px;
  border-radius: 10px;
  font-size: .86rem;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}

.navlinks a:hover {
  background: var(--white);
  color: var(--navy);
}

/* Breadcrumb */
.breadcrumb {
  margin: 20px 0 8px;
  font-size: .92rem;
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 10px;
  flex-wrap: wrap;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted-2);
}

.breadcrumb li:not(:last-child)::after {
  content: '\f054';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: .65rem;
  opacity: .5;
}

.breadcrumb a {
  color: var(--blue);
}

/* Hero */
.hero {
  padding: 30px 0 40px;
}

.logo-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.logo-item {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 26px;
  border-left: 1px solid var(--line-strong);
}

.logo-item:first-child {
  padding-left: 0;
  border-left: none;
}

.logo-item img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}

.logo-johnjay {
  max-width: 230px;
}

.logo-ccny {
  max-width: 210px;
}

.logo-utsa {
  max-width: 190px;
}

.eyebrow {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--orange);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  font-size: .86rem;
}

.eyebrow-row {
  display: flex;
  gap: 8px 12px;
  align-items: center;
  flex-wrap: wrap;
}

.eyebrow a {
  color: var(--orange);
}

.eyebrow .dot {
  width: 4px;
  height: 4px;
  background: var(--orange);
  border-radius: 50%;
  opacity: .7;
  flex: none;
}

.eyebrow .venue-info {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  width: 100%;
  color: var(--muted-2);
  font-size: .8rem;
  letter-spacing: .05em;
  margin-top: 4px;
}

h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.03em;
  max-width: 1160px;
  margin: 16px 0 12px;
  color: var(--navy-2);
}

.subtitle {
  font-size: clamp(1.15rem, 2.1vw, 1.7rem);
  color: var(--blue);
  font-weight: 500;
  margin: 0 0 26px;
  max-width: 66ch;
}

.subtitle-divider {
  color: var(--muted-2);
  font-weight: 400;
  margin: 0 .1em;
}

.authors {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 22px 0 26px;
}

.author {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .6);
  padding: 12px 16px;
  border-radius: 14px;
  min-width: 220px;
  transition: transform .2s ease;
}

.author:hover {
  transform: translateY(-2px);
}

.author strong {
  display: block;
  color: var(--navy);
  font-size: 1rem;
}

.author strong a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--navy);
  text-decoration: none;
}

.author strong a i {
  color: #a6ce39;
  font-size: .85em;
}

.author strong a:hover {
  text-decoration: underline;
}

.author span {
  display: block;
  color: var(--muted);
  font-size: .87rem;
  margin-top: 2px;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  text-decoration: none;
  border: 1px solid var(--navy);
  border-radius: 12px;
  padding: 0 18px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  background: #fffdf8;
  color: var(--navy);
  box-shadow: 0 2px 0 rgba(21, 48, 90, .14);
  transition: transform .15s ease, box-shadow .15s ease, background .18s ease, color .18s ease;
}

.btn.primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 3px 0 var(--navy-2);
}

.btn.orange {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  box-shadow: 0 3px 0 #8a3a10;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(23, 51, 93, .16);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(21, 48, 90, .14);
}

.hero-note {
  margin-top: 22px;
  color: var(--muted);
  font-size: .92rem;
  max-width: 70ch;
}

/* Metric strip */
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 8px auto 54px;
}

.metric {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px 22px;
  min-height: 128px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 8px 22px rgba(43, 33, 15, .07);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.metric:hover {
  transform: translateY(-4px);
  border-color: rgba(191, 80, 25, .35);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 18px 34px rgba(43, 33, 15, .13);
}

.metric .num {
  font-family: "Playfair Display", serif;
  font-size: 2.35rem;
  line-height: 1;
  color: var(--navy);
  font-weight: 800;
  letter-spacing: -.02em;
}

.metric:nth-child(2) .num,
.metric:nth-child(4) .num {
  color: var(--orange);
}

.metric .label {
  font-weight: 700;
  margin-top: 10px;
  font-size: .96rem;
}

.metric .small {
  font-size: .82rem;
  color: var(--muted);
  margin-top: 5px;
  line-height: 1.5;
}

/* Sections */
section {
  padding: 46px 0;
}

.section-head {
  margin-bottom: 26px;
  max-width: 900px;
}

.section-no {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 700;
  color: var(--orange);
  font-size: .92rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-no::after {
  content: "";
  height: 1px;
  width: 46px;
  background: var(--line-strong);
}

.section-head h2 {
  margin: 0;
  color: var(--navy-2);
  font-family: "Playfair Display", serif;
  font-size: clamp(1.7rem, 3.1vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.section-head p {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 900px;
  font-size: 1.04rem;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: rgba(255, 253, 248, .86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-soft);
}

.card h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 1.2rem;
}

.card p {
  color: #47505d;
  margin: .5rem 0;
}

.callout {
  border-left: 4px solid var(--orange);
  padding: 15px 18px;
  background: var(--orange-soft);
  border-radius: 0 14px 14px 0;
  color: #4a2b18;
  margin-top: 16px;
}

.callout strong {
  color: #3a2210;
}

/* Pipeline */
.pipeline {
  display: grid;
  grid-template-columns: 1fr 34px 1.2fr 34px 1fr 34px 1fr;
  align-items: center;
  gap: 6px;
  margin: 22px 0;
}

.pipe-box {
  border: 1px solid #c3cbda;
  background: #fff;
  border-radius: 14px;
  padding: 18px 10px;
  text-align: center;
  font-weight: 750;
  color: var(--navy);
  font-size: .95rem;
}

.pipe-box.hot {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
  box-shadow: 0 10px 26px rgba(200, 90, 22, .22);
}

.arrow {
  text-align: center;
  color: #9aa4b3;
  font-size: 1.3rem;
}

/* Figure */
.fig {
  overflow: hidden;
  padding: 0;
}

.fig-zoom-trigger {
  display: block;
  position: relative;
  width: 100%;
  border: none;
  padding: 0;
  margin: 0;
  background: #fff;
  cursor: zoom-in;
}

.fig-zoom-trigger img {
  display: block;
  width: 100%;
  height: auto;
}

.fig-zoom-hint {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(11, 29, 58, .82);
  color: #fff;
  font-size: .78rem;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
  opacity: .88;
  transition: opacity .2s ease, transform .2s ease;
}

.fig-zoom-trigger:hover .fig-zoom-hint {
  opacity: 1;
  transform: translateY(-1px);
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(11, 15, 22, .9);
  align-items: center;
  justify-content: center;
  padding: 26px;
}

.lightbox.active {
  display: flex;
}

.lightbox-scroll {
  max-width: 96vw;
  max-height: 92vh;
  overflow: auto;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .5);
}

.lightbox-scroll img {
  display: block;
  width: min(96vw, 1100px);
  height: auto;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: none;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, .22);
}

.figcap {
  padding: 14px 18px 16px;
  color: var(--muted);
  font-size: .86rem;
  border-top: 1px solid var(--line);
}

.cite {
  text-decoration: none;
  color: var(--blue);
  font-weight: 700;
  white-space: nowrap;
}

.cite:hover {
  text-decoration: underline;
}

/* Tiers / badges */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.tier {
  padding: 16px;
  background: var(--card);
  border-radius: 14px;
  border: 1px solid var(--line);
}

.tier b {
  display: block;
  color: var(--orange);
  font-family: "Playfair Display", serif;
  font-size: 1.5rem;
}

.tier strong {
  display: block;
  color: var(--navy);
  margin: 4px 0;
}

.tier span {
  color: var(--muted);
  font-size: .88rem;
}

.validation {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.badge {
  font-size: .8rem;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--navy);
  border: 1px solid #d1daea;
}

.badge.exploratory {
  background: #f4efe8;
  color: #6f4a30;
  border-color: #e7d8ca;
}

/* Metrics box */
.metrics-box {
  display: grid;
  gap: 14px;
}

.metric-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.metric-row:first-child {
  border-top: none;
  padding-top: 0;
}

.metric-row .m-name {
  font-family: "Playfair Display", serif;
  font-size: 1.5rem;
  color: var(--orange);
  font-weight: 800;
}

.metric-row code {
  display: block;
  font-family: "IBM Plex Mono", monospace;
  color: var(--navy);
  background: var(--paper-2);
  border-radius: 8px;
  padding: 7px 11px;
  font-size: .98rem;
  margin-bottom: 6px;
  width: fit-content;
}

.metric-row p {
  margin: 0;
  color: var(--muted);
}

/* Chart */
.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 4px 0 20px;
}

.legend-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #c9cfda;
  background: #fff;
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--navy);
  font-weight: 700;
  font-size: .86rem;
  cursor: pointer;
  transition: opacity .2s ease, transform .15s ease;
}

.legend-btn:hover {
  transform: translateY(-1px);
}

.legend-btn.dimmed {
  opacity: .38;
}

.legend-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.legend-btn.active .legend-swatch {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .55);
}

.legend-swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  flex: none;
}

.legend-swatch.gpt {
  background: var(--series-gpt);
}

.legend-swatch.qwen {
  background: var(--series-qwen);
}

.legend-swatch.mistral {
  background: var(--series-mistral);
}

.tfr-note {
  color: var(--muted-2);
  font-size: .84rem;
  margin: 0 0 18px;
}

.tfr-group {
  padding: 14px 10px;
  margin: 0 -10px;
  border-top: 1px solid var(--line);
  border-radius: 12px;
  transition: background .2s ease;
}

.tfr-group:first-of-type {
  border-top: none;
  padding-top: 0;
}

.tfr-group:hover {
  background: rgba(191, 80, 25, .05);
}

.tfr-group-label {
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
  font-size: 1.02rem;
}

.tfr-bars {
  display: grid;
  gap: 7px;
}

.tfr-row {
  display: grid;
  grid-template-columns: 92px 1fr 58px;
  gap: 10px;
  align-items: center;
  transition: opacity .2s ease;
}

.tfr-row .tfr-name {
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tfr-track {
  height: 20px;
  background: #eae5d6;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid #ded5bd;
  box-shadow: inset 0 1px 3px rgba(43, 33, 15, .1);
}

.tfr-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .6s cubic-bezier(.2, .8, .2, 1);
}

.tfr-row.gpt .tfr-fill {
  background: var(--series-gpt);
}

.tfr-row.qwen .tfr-fill {
  background: var(--series-qwen);
}

.tfr-row.mistral .tfr-fill {
  background: var(--series-mistral);
}

.tfr-val {
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--ink);
  text-align: right;
  font-size: .88rem;
}

.tfr-baseline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px dashed #c3cbda;
  border-radius: 12px;
  background: var(--paper-2);
  margin-bottom: 18px;
  color: var(--muted);
  font-size: .88rem;
}

.tfr-baseline b {
  color: var(--navy);
}

.chart-note {
  font-size: .86rem;
  color: var(--muted);
  margin-top: 16px;
}

details.data-table-toggle {
  margin-top: 18px;
}

details.data-table-toggle summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--blue);
  font-size: .9rem;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 12px;
}

table.data-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 480px;
  font-size: .88rem;
}

table.data-table caption {
  text-align: left;
  color: var(--muted);
  font-size: .82rem;
  margin-bottom: 8px;
}

table.data-table th,
table.data-table td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: right;
}

table.data-table th:first-child,
table.data-table td:first-child {
  text-align: left;
}

table.data-table thead th {
  background: var(--paper-2);
  color: var(--navy);
}

.big-quote {
  font-size: clamp(1.35rem, 2.1vw, 1.9rem);
  line-height: 1.28;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 6px 0 10px;
  font-family: "Playfair Display", serif;
}

/* Sensitivity */
.sens-bars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}

.sens-item {
  background: var(--paper-2);
  border-radius: 16px;
  padding: 18px;
}

.sens-item span {
  color: var(--muted);
  font-size: .88rem;
}

.sens-item b {
  display: block;
  font-family: "Playfair Display", serif;
  font-size: 1.9rem;
  color: var(--navy);
  margin: 4px 0;
}

.sens-item.clean b {
  color: var(--orange);
}

.sens-item div.sens-desc {
  color: var(--muted-2);
  font-size: .82rem;
}

/* Context viz */
.context-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 4px 0 20px;
}

.context-picker button {
  border: 1px solid #ccd3de;
  background: #fff;
  border-radius: 10px;
  padding: 9px 12px;
  cursor: pointer;
  font-weight: 700;
  color: #4b5563;
  font-size: .88rem;
  min-height: 40px;
}

.context-picker button.active {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.context-viz {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
  align-items: center;
}

.context-track {
  height: 40px;
  background: #e3e6ed;
  border-radius: 13px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 4px rgba(21, 48, 90, .12);
}

.context-fill {
  height: 100%;
  background: var(--blue);
  width: 64%;
  transition: width .5s ease;
}

.context-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stat-mini {
  background: var(--paper-2);
  border-radius: 14px;
  padding: 13px;
}

.stat-mini b {
  display: block;
  color: var(--navy);
  font-size: 1.18rem;
}

.stat-mini span {
  font-size: .74rem;
  color: var(--muted);
}

/* Scale row */
.scale-row {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 20px 0 8px;
}

.scale-box {
  width: 148px;
  min-height: 140px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.scale-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(43, 33, 15, .12);
}

.scale-box span {
  color: var(--muted);
  font-size: .84rem;
}

.scale-box b {
  font-family: "Playfair Display", serif;
  font-size: 1.9rem;
  color: var(--navy);
  margin: 4px 0;
}

.scale-box:nth-of-type(3) b,
.scale-box:nth-of-type(5) b,
.scale-box:nth-of-type(7) b {
  color: var(--orange);
}

.scale-box small {
  color: var(--muted-2);
}

.chev {
  font-size: 1.7rem;
  color: var(--orange);
  font-weight: 900;
}

/* Core statement */
.core {
  border: 1px solid rgba(200, 90, 22, .3);
  background: var(--orange-soft);
  border-radius: 22px;
  padding: 26px 28px;
  font-family: "Playfair Display", serif;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  line-height: 1.55;
  color: #3a2210;
}

.core .hl {
  color: #9c3f12;
  font-weight: 800;
}

/* Limits */
.limit-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.limit {
  background: #fff;
  border: 1px solid var(--line);
  padding: 17px;
  border-radius: 15px;
}

.limit strong {
  display: block;
  color: var(--navy);
  margin-bottom: 5px;
}

.limit p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

/* Recommendations */
.rec {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.rec:first-child {
  border-top: none;
  padding-top: 0;
}

.rec-no {
  font-family: "Playfair Display", serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--orange);
}

.rec b {
  color: var(--navy);
  display: block;
  margin-bottom: 3px;
}

.rec p {
  margin: 0;
  color: var(--muted);
}

/* Resources / sources */
.resources {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 4px;
}

.resource {
  background: var(--navy);
  color: #fff;
  border-radius: 20px;
  padding: 22px;
}

.resource.orange {
  background: #9e4613;
}

.resource h3 {
  color: #fff;
  margin: 0 0 7px;
}

.resource p {
  color: rgba(255, 255, 255, .8);
  margin: 0 0 12px;
}

.resource a {
  color: #fff;
  font-weight: 800;
}

.refs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}

.ref {
  background: #fff;
  border: 1px solid var(--line);
  padding: 15px 17px;
  border-radius: 14px;
  font-size: .89rem;
  color: #47505d;
}

.ref a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.ref a:hover {
  text-decoration: underline;
}

/* Citation */
.bibtex {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  font-family: "IBM Plex Mono", monospace;
  font-size: .94rem;
  line-height: 1.6;
  color: #3a3220;
  overflow-x: auto;
  white-space: pre;
}

.copy-btn {
  cursor: pointer;
}

.copy-status {
  font-family: "IBM Plex Mono", monospace;
  font-size: .82rem;
  color: var(--muted-2);
  opacity: 0;
  transition: opacity .25s ease;
}

.copy-status.show {
  opacity: 1;
  color: #1c7a4d;
}

/* Footer */
.footer {
  padding: 40px 0 8px;
  border-top: 1px solid var(--line);
  margin-top: 18px;
  color: #596273;
}

.ack {
  max-width: 980px;
  font-size: .92rem;
  line-height: 1.65;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  margin-top: 28px;
  color: var(--muted-2);
  font-size: .92rem;
}

.foot-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.socials {
  display: flex;
  gap: 18px;
}

.socials a {
  color: var(--muted-2);
  font-size: 1.3rem;
  transition: color .2s ease, transform .2s ease;
  text-decoration: none;
}

.socials a:hover {
  color: var(--orange);
  transform: translateY(-2px);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 50px;
  height: 50px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--orange), #a8480f);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .18);
  opacity: 0;
  visibility: hidden;
  transition: all .3s cubic-bezier(.4, 0, .2, 1);
  z-index: 500;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  color: #fff;
  transform: translateY(-4px);
}

/* Toast */
.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: var(--navy-2);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: .25s;
  z-index: 999;
  font-size: .9rem;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {

  .metric-strip,
  .grid3,
  .limit-list,
  .resources,
  .refs {
    grid-template-columns: 1fr 1fr;
  }

  .grid2 {
    grid-template-columns: 1fr;
  }

  .context-viz {
    grid-template-columns: 1fr;
  }

  .scale-row {
    grid-template-columns: 1fr;
  }

  .chev {
    transform: rotate(90deg);
    text-align: center;
  }

  .scale-box {
    width: 100%;
    min-height: 100px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 1.25rem), var(--max));
  }

  .hero {
    padding-top: 20px;
  }

  /* Institution logos: fixed equal-width slots so all three always share one row */
  .logo-row {
    gap: 0;
    margin-bottom: 26px;
    flex-wrap: nowrap;
  }

  .logo-item {
    height: 32px;
    width: 33.33%;
    padding: 0 8px;
  }

  .logo-item:first-child {
    padding-left: 0;
  }

  .logo-johnjay,
  .logo-ccny,
  .logo-utsa {
    max-width: 100%;
  }

  .logo-item img {
    width: 100%;
    height: 100%;
  }

  /* Eyebrow: stacked, left-aligned, no dot separators, links don't break mid-word */
  .eyebrow {
    font-size: .74rem;
  }

  .eyebrow-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
  }

  .eyebrow .dot {
    display: none;
  }

  .venue-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: .7rem;
  }

  .venue-line a {
    white-space: nowrap;
  }

  /* Author cards: equal full-width blocks */
  .authors {
    flex-direction: column;
  }

  .author {
    width: 100%;
    min-width: 0;
  }

  .metric-strip,
  .grid3,
  .limit-list,
  .tiers,
  .resources,
  .refs,
  .sens-bars {
    grid-template-columns: 1fr;
  }

  .pipeline {
    grid-template-columns: 1fr;
  }

  .pipeline .arrow {
    transform: rotate(90deg);
  }

  .tfr-row {
    grid-template-columns: 68px 1fr 48px;
  }

  .context-stats {
    grid-template-columns: 1fr;
  }

  section {
    padding: 34px 0;
  }

  .actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .navlinks {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    overflow-x: visible;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-top: none;
    border-radius: 0 0 14px 14px;
    padding: 8px;
    box-shadow: 0 16px 30px rgba(43, 33, 15, .14);
  }

  .navlinks.open {
    display: flex;
  }

  .navlinks a {
    font-size: .95rem;
    padding: 12px 14px;
    border-radius: 10px;
  }
}

@media print {

  .topbar,
  .actions,
  .controls,
  .context-picker,
  .toast,
  .back-to-top {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .card,
  .metric,
  .ref {
    box-shadow: none;
  }

  section {
    break-inside: avoid;
  }
}