/* BrainVLM landing refresh — editorial clinical research aesthetic */

:root {
  --ink: #000000;
  --ink-soft: #000000;
  --muted: #000000;
  --line: #e2e2e2;
  --paper: #ffffff;
  --panel: #ffffff;
  --teal: #3273dc;
  --teal-deep: #1f5fbf;
  --mist: #ffffff;
  --sand: #ffffff;
  --display: "Times New Roman", Times, serif;
  --sans: "Times New Roman", Times, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  color: var(--ink);
  font-family: var(--sans);
  background: var(--paper);
}

button,
input,
select,
textarea {
  font-family: var(--sans);
}

/* Keep every landing-page surface genuinely white. */
html,
body,
#main-content,
.new-landing,
.bv-hero,
.bv-section,
.bv-section.is-band,
.bv-topnav,
.bv-meta-strip,
.bv-quick-nav,
.bv-feature-band,
.bv-visual,
.bv-evidence article,
.bv-evidence figure,
.bv-process-preview article,
.bv-process-preview figure {
  background-color: #fff !important;
  background-image: none !important;
}

/* Hide legacy Nerfies-style bulk; keep focused landing */
#main-content > section:not(.new-landing) {
  display: none !important;
}

.detail-section {
  display: none !important;
}

/* Neutralize leftover decorative rules from the previous theme */
#main-content > section:first-child::after,
h2.title.publication-title.is-1::before {
  content: none !important;
  display: none !important;
  box-shadow: none !important;
}

.more-works-container {
  display: none !important;
}

.scroll-to-top {
  border: 1px solid var(--line) !important;
  border-radius: 10px !important;
  background: #fff !important;
  color: var(--teal-deep) !important;
  box-shadow: none !important;
}

/* ---------- Site nav ---------- */
.bv-topnav {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(223, 229, 225, 0.92);
  background: #fff;
  backdrop-filter: blur(16px);
}

.bv-topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  min-height: 64px;
  margin: 0 auto;
}

.bv-brand {
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.bv-brand:hover {
  color: var(--teal);
}

.bv-topnav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.85rem;
}

.bv-topnav-links a {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.bv-topnav-links a:hover {
  color: var(--teal-deep);
}

/* ---------- Hero ---------- */
.bv-hero {
  position: relative;
  overflow: visible;
  min-height: 0;
  background: #fff !important;
  border-bottom: 1px solid var(--line);
}

.bv-hero-media {
  display: none;
}

.bv-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  filter: saturate(0.92) contrast(1.04);
  transform: scale(1.02);
  animation: bv-hero-drift 18s var(--ease) infinite alternate;
}

.bv-hero-media::after {
  position: absolute;
  inset: 0;
  background: #fff;
  content: "";
}

.bv-hero-body {
  display: flex;
  flex-direction: column;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 2.7rem;
}

.bv-hero-copy {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
  opacity: 0;
  transform: translateY(18px);
  animation: bv-rise 900ms var(--ease) 120ms forwards;
}

.bv-hero-brand {
  margin: 0 0 0.85rem;
  color: var(--teal-deep);
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.bv-venue {
  margin: 0 0 0.75rem;
  color: #555;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.015em;
  line-height: 1.4;
}

.bv-hero-title {
  max-width: none;
  margin: 0 auto 1rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.bv-hero-claim {
  margin: 0 auto 1.6rem;
  max-width: 680px;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.65;
}

.bv-cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
}

.bv-hero-pipeline {
  width: min(100%, 980px);
  margin: 2.6rem auto 0;
  padding: 1rem 1rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(30, 68, 80, 0.07);
}

.bv-hero-pipeline img {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: contain;
  background: #fff;
}

.bv-hero-pipeline figcaption {
  padding: 0.7rem 0.25rem 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
  text-align: center;
}

.bv-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.78rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: #363636;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease);
}

.bv-cta:hover {
  background: #111;
  color: #fff;
  transform: translateY(-2px);
}

.bv-cta .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
}

.bv-cta.is-ghost {
  border-color: #363636;
  background: #363636;
  color: #fff;
}

.bv-cta.is-ghost:hover {
  border-color: #111;
  background: #111;
  color: #fff;
}

.bv-meta-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.35rem 0 1.6rem;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  animation: bv-rise 900ms var(--ease) 280ms forwards;
}

.bv-meta-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.bv-meta-strip strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bv-hero-actions {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 0.15rem;
}

.bv-hero-actions .bv-cta-row {
  justify-content: center;
}

.bv-hero-meta {
  display: block;
  width: 100%;
  margin: 1.2rem 0 0;
  padding: 0.75rem 0 0.2rem;
  border-top: 0;
  border-bottom: 0;
  text-align: center;
}

.bv-hero-meta p {
  font-size: 0.82rem;
  line-height: 1.7;
}

.bv-hero-meta p + p {
  margin-top: 0.75rem;
}

.bv-author-link {
  color: #000;
  text-decoration: underline;
  text-decoration-color: rgba(0, 0, 0, 0.28);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.bv-author-link:hover {
  color: var(--teal-deep);
  text-decoration-color: currentColor;
}

.bv-hero-meta .bv-institutions {
  margin-top: 0.9rem;
}

.bv-institution-list {
  display: block;
  margin-top: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.bv-hero-actions {
  width: 100%;
  padding-top: 1rem;
}

.bv-stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.8rem 0 0.4rem;
}

.bv-stat {
  padding: 0.2rem 0 0.9rem;
  border-top: 1px solid var(--line);
}

.bv-stat strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.bv-stat span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

/* ---------- Sections ---------- */
.bv-section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0;
}

.bv-section.is-band {
  width: 100%;
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--sand);
}

.bv-section.center-copy {
  border-top: 1px solid var(--line);
}

.bv-section.is-band > .bv-section-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.bv-kicker {
  margin: 0 0 0.7rem;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 780;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
}

.bv-section h2 {
  max-width: none;
  margin: 0 0 0.85rem;
  color: var(--ink);
  font-family: "Times New Roman", Times, serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.12;
  text-align: center;
}

.bv-section .bv-lede {
  max-width: 40rem;
  margin: 0 0 2.4rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.bv-section.center-copy h2,
.bv-section.center-copy .bv-lede,
.bv-section.center-copy .bv-kicker {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.bv-section.center-copy h2 {
  max-width: none;
}

/* Compact chapter navigation */
.bv-quick-section {
  padding: 1.5rem 0 2.2rem;
}

.bv-quick-nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.bv-quick-nav a {
  display: flex;
  gap: .55rem;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: .7rem .55rem;
  color: var(--ink-soft);
  font-size: .86rem;
  font-weight: 650;
  text-align: center;
  text-decoration: none;
}

.bv-quick-nav a + a {
  border-left: 1px solid var(--line);
}

.bv-quick-nav a:hover {
  background: var(--sand);
  color: var(--teal-deep);
}

.bv-quick-nav span {
  color: var(--teal);
  font-size: .7rem;
  font-weight: 780;
  letter-spacing: .08em;
}

/* Explore chapters as interactive rows, not dashboard cards */
.bv-chapters {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.bv-chapter {
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  gap: 1.2rem;
  align-items: center;
  padding: 1.35rem 0.2rem;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: background 180ms var(--ease), padding-left 180ms var(--ease);
}

.bv-chapter:hover {
  padding-left: 0.55rem;
  background: var(--sand);
  color: inherit;
}

.bv-chapter .idx {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.12em;
}

.bv-chapter h3 {
  margin: 0 0 0.25rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 580;
  letter-spacing: -0.02em;
}

.bv-chapter p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.bv-chapter .go {
  color: var(--teal-deep);
  font-size: 0.84rem;
  font-weight: 720;
  white-space: nowrap;
}

/* Split layouts */
.bv-split {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 2.2rem;
  align-items: start;
}

/* Give the wide input panel enough horizontal room while keeping the
   explanatory copy readable beside it. */
.bv-input-layout {
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
}

.bv-input-layout .bv-copy-stack > p {
  line-height: 1.52;
  margin-bottom: 1rem;
}

.bv-copy-stack h3 {
  margin: 0 0 0.7rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 580;
}

.bv-copy-stack > p {
  margin: 0 0 1.3rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.bv-list {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.bv-list li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.8rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(213, 227, 230, 0.9);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.bv-list li span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bv-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.bv-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.bv-visual img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
  background: transparent;
}

.bv-visual figcaption {
  padding: 0.9rem 1rem 1.05rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.bv-visual-pair {
  display: grid;
  gap: 0.9rem;
}

/* Feature bands */
.bv-feature-band {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  overflow: visible;
  border: 0;
  background: transparent;
}

.bv-feature-band + .bv-feature-band {
  margin-top: 2.5rem;
}

.bv-feature-band.reverse {
  grid-template-columns: 1.1fr 1fr;
}

.bv-feature-band.reverse .bv-feature-copy {
  order: 2;
}

.bv-feature-copy {
  padding: 1.2rem 1.7rem 1.2rem 0;
}

.bv-feature-copy .label {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bv-feature-copy h3 {
  margin: 0 0 0.7rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 580;
  letter-spacing: -0.02em;
}

.bv-feature-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.bv-feature-band figure {
  margin: 0;
  min-height: 100%;
  background: #fff;
  border: 0;
}

.bv-feature-band.reverse figure {
  border: 0;
}

.bv-feature-band.reverse .bv-feature-copy {
  padding-right: 0;
  padding-left: 1.7rem;
}

/* Figure 3f is a wide, information-dense panel. Let it use the full content
   width so its labels stay readable instead of shrinking inside a side column. */
.bv-report-band {
  grid-template-columns: 1fr;
}

.bv-report-band .bv-feature-copy {
  padding: 0 0 1.25rem;
}

.bv-report-band figure {
  border: 0;
}

.bv-feature-band figure img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
}

/* The new figure-1 panels are wide SVGs; preserve their native aspect ratio
   so the labels remain legible instead of creating a fixed-height white frame. */
.bv-input-visual,
.bv-input-figure,
.bv-diagnosis-figure {
  min-width: 0;
}

.bv-input-figure {
  overflow: visible;
  border: 0;
}

.bv-input-figure figcaption {
  padding-right: 0;
  padding-left: 0;
  border-top: 0;
}

.bv-input-figure img,
.bv-diagnosis-figure img {
  height: auto;
  max-height: none;
}

/* Evidence */
.bv-evidence {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.bv-evidence.is-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bv-evidence article {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-top: 2px solid var(--teal);
  padding-top: 1rem;
}

.bv-evidence figure {
  margin: 0 0 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.bv-evidence img {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: contain;
}

.bv-evidence h3 {
  margin: 0 0 0.45rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 580;
}

.bv-evidence p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.bv-evidence .metric {
  margin-top: auto;
  padding-top: 0.9rem;
  color: var(--teal-deep);
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

/* Trust points */
.bv-trust {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
  margin-bottom: 1.6rem;
}

.bv-trust article {
  padding: 0.2rem 0 0;
  border-top: 1px solid var(--line);
}

.bv-trust .idx {
  display: block;
  margin: 0.85rem 0 0.55rem;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 780;
  letter-spacing: 0.12em;
}

.bv-trust h3 {
  margin: 0 0 0.45rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 580;
}

.bv-trust p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* Dataset processing and training preview */
.bv-process-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
  margin: 0 0 1.6rem;
  text-align: left;
}

.bv-process-preview article {
  min-width: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.bv-process-preview figure {
  display: flex;
  height: 210px;
  align-items: center;
  justify-content: center;
  margin: 0 0 1rem;
  background: transparent;
}

.bv-process-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.bv-process-preview .idx {
  display: block;
  margin-bottom: .5rem;
  color: var(--teal);
  font-size: .72rem;
  font-weight: 780;
  letter-spacing: .12em;
}

.bv-process-preview h3 {
  margin: 0 0 .45rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 580;
}

.bv-process-preview p {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.55;
}

.bv-process-preview.is-compact figure {
  height: 180px;
}

.bv-closing {
  max-width: 46rem;
  margin: 2rem auto 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.65;
  text-align: center;
}

.bv-link {
  display: inline-flex;
  margin-top: 1.6rem;
  color: var(--teal-deep);
  font-size: 0.9rem;
  font-weight: 720;
  text-decoration: none;
  border-bottom: 1px solid rgba(13, 110, 106, 0.35);
}

.bv-link:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.bv-center {
  text-align: center;
}

/* Reveal motion */
.bv-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.bv-reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes bv-rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes bv-hero-drift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to { transform: scale(1.06) translate3d(-1.2%, -0.6%, 0); }
}

/* Footer polish for landing */
.footer {
  background: transparent !important;
  border-top: 1px solid var(--line);
  color: var(--muted) !important;
}

.footer a {
  color: var(--teal-deep) !important;
}

/* Academic Project Page Template-inspired homepage layout */
.bv-stat-row {
  display: none !important;
}

.bv-quick-section {
  display: none !important;
}

.bv-topnav {
  display: block !important;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #e8e8e8;
}

.bv-topnav-inner {
  width: min(1180px, calc(100% - 2rem));
  min-height: 58px;
}

.bv-brand {
  flex: 0 0 auto;
  color: #000;
  font-size: 1.05rem;
  font-weight: 700;
}

.bv-topnav-links {
  justify-content: flex-end;
  gap: 0.25rem 1rem;
}

.bv-topnav-links a {
  color: #000;
  font-size: 0.86rem;
  font-weight: 400;
}

.bv-topnav-links a:hover {
  color: var(--teal-deep);
}

.bv-quick-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.15rem 1rem;
  border: 0;
}

.bv-quick-nav a {
  min-height: 0;
  padding: 0.35rem 0.2rem;
  color: var(--teal-deep);
  font-size: 0.9rem;
  font-weight: 600;
}

.bv-quick-nav a + a {
  border-left: 0;
}

.bv-quick-nav span {
  display: none;
}

.bv-hero-body {
  width: min(960px, calc(100% - 2rem));
  padding: 3rem 0 2.5rem;
}

.bv-hero-copy {
  max-width: 960px;
}

.bv-hero-title {
  max-width: 960px;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.14;
  white-space: normal;
}

.bv-hero-meta {
  max-width: 900px;
  margin: 1.25rem auto 0;
  padding: 0;
}

.bv-venue {
  margin: 1rem 0 0;
}

.bv-hero-actions {
  padding-top: 1.2rem;
}

.bv-abstract {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.8rem 0 3rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.bv-abstract-inner {
  width: min(820px, 100%);
  margin: 0 auto;
}

.bv-abstract h2 {
  margin: 0 0 1.4rem;
  color: #000;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
}

.bv-abstract-copy {
  color: #000;
  font-size: 1rem;
  line-height: 1.7;
  text-align: justify;
}

.bv-abstract-copy p {
  margin: 0;
}

.bv-abstract-copy p + p {
  margin-top: 0.8rem;
}

.bv-abstract-guide a {
  color: var(--teal-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 95, 191, 0.35);
}

.bv-abstract-guide a:hover {
  color: var(--teal);
  border-bottom-color: currentColor;
}

.bv-section,
.bv-section.is-band {
  width: min(960px, calc(100% - 2rem));
  padding: 3rem 0;
  border: 0;
}

.bv-section.is-band > .bv-section-inner {
  width: 100%;
}

.bv-section.center-copy {
  border-top: 0;
}

.bv-kicker {
  display: none;
}

.bv-section h2 {
  margin-bottom: 1.4rem;
  font-size: clamp(1.7rem, 3vw, 2.1rem);
}

.bv-input-layout,
.bv-feature-band,
.bv-feature-band.reverse,
.bv-evidence.is-two {
  grid-template-columns: 1fr;
}

.bv-input-layout,
.bv-feature-band,
.bv-evidence.is-two {
  gap: 1.4rem;
}

.bv-copy-stack,
.bv-feature-copy,
.bv-feature-band.reverse .bv-feature-copy {
  width: min(100%, 768px);
  margin: 0 auto;
  padding: 0;
  text-align: justify;
}

.bv-feature-band.reverse .bv-feature-copy {
  order: 0;
}

.bv-input-visual,
.bv-feature-band figure,
.bv-report-band figure {
  width: 100%;
  max-width: 960px;
  margin-right: auto;
  margin-left: auto;
}

.bv-feature-band + .bv-feature-band {
  margin-top: 3rem;
}

.bv-evidence article {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-top: 0;
}

.bv-evidence img {
  height: auto;
  max-height: none;
}

.bv-evidence h3,
.bv-evidence p,
.bv-evidence .metric {
  text-align: center;
}

/* Consistent reading width and rhythm for homepage section copy */
.bv-abstract-inner,
.bv-section .bv-lede,
.bv-copy-stack,
.bv-feature-copy,
.bv-feature-band.reverse .bv-feature-copy {
  width: min(100%, 860px);
  max-width: 860px;
}

.bv-section .bv-lede,
.bv-section.center-copy .bv-lede,
.bv-copy-stack > p,
.bv-feature-copy p {
  color: #000;
  font-size: 1rem;
  line-height: 1.7;
  text-align: justify;
}

.bv-section .bv-lede {
  margin: 0 auto 2rem;
}

.bv-copy-stack > p,
.bv-input-layout .bv-copy-stack > p,
.bv-feature-copy p {
  margin: 0;
}

.bv-copy-stack .bv-link,
.bv-feature-copy .bv-link {
  margin-top: 1rem;
}

.bv-report-band .bv-feature-copy {
  padding: 0;
}

.bv-input-layout,
.bv-feature-band,
.bv-evidence.is-two {
  gap: 2rem;
}

.bv-feature-band + .bv-feature-band {
  margin-top: 3.25rem;
}

.bv-process-preview {
  margin-top: 0;
}

.bv-dataset-summary {
  display: grid;
  width: min(100%, 860px);
  gap: 0.9rem;
  margin: 0 auto 2.2rem;
  color: #000;
  font-size: 1rem;
  line-height: 1.7;
  text-align: justify;
}

.bv-dataset-summary p {
  margin: 0;
}

.bv-dataset-summary strong {
  font-weight: 700;
}

/* Responsive */
@media (max-width: 1100px) {
  .bv-hero-title {
    max-width: 800px;
    white-space: normal;
  }
}

@media (min-width: 1101px) {
  .bv-section h2 {
    white-space: nowrap;
  }
}

@media (max-width: 900px) {
  .bv-meta-strip,
  .bv-split,
  .bv-feature-band,
  .bv-feature-band.reverse,
  .bv-evidence {
    grid-template-columns: 1fr;
  }

  .bv-feature-band.reverse .bv-feature-copy {
    order: 0;
  }

  .bv-feature-copy,
  .bv-feature-band.reverse .bv-feature-copy {
    padding: 0 0 1.25rem;
  }

  .bv-feature-band figure,
  .bv-feature-band.reverse figure {
    border: none;
  }

  .bv-input-layout {
    align-items: start;
  }

  .bv-trust {
    grid-template-columns: 1fr 1fr;
  }

  .bv-process-preview {
    grid-template-columns: 1fr 1fr;
  }

  .bv-quick-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bv-quick-nav a:nth-child(4) {
    border-left: 0;
  }

  .bv-quick-nav a:nth-child(n+4) {
    border-top: 1px solid var(--line);
  }

  .bv-hero-body {
    padding-top: 3.8rem;
  }

}

@media (max-width: 640px) {
  .bv-stat-row,
  .bv-trust,
  .bv-process-preview,
  .bv-chapter {
    grid-template-columns: 1fr;
  }

  .bv-evidence.is-two {
    grid-template-columns: 1fr;
  }

  .bv-quick-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bv-quick-nav a:nth-child(odd) {
    border-left: 0;
  }

  .bv-quick-nav a:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .bv-quick-nav a:nth-child(n+3) {
    border-top: 1px solid var(--line);
  }

  .bv-process-preview figure {
    height: auto;
    max-height: 420px;
  }

  .bv-chapter .go {
    justify-self: start;
  }

  .bv-list li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .bv-topnav-inner {
    display: block;
    width: 100%;
    min-height: 0;
    padding: 0.65rem 1rem 0.55rem;
  }

  .bv-brand {
    display: block;
    margin-bottom: 0.45rem;
  }

  .bv-topnav-links {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
  }

  .bv-topnav-links::-webkit-scrollbar {
    display: none;
  }

  .bv-topnav-links a {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .bv-abstract {
    padding: 2.3rem 0;
  }

  .bv-abstract-copy {
    font-size: 0.96rem;
    line-height: 1.65;
    text-align: left;
  }

  .bv-section .bv-lede,
  .bv-section.center-copy .bv-lede,
  .bv-copy-stack > p,
  .bv-feature-copy p,
  .bv-dataset-summary {
    font-size: 0.96rem;
    line-height: 1.65;
    text-align: left;
  }
}