/* ════════════════════════════════════════
   LANDING PAGE — Layout & Components
   Design tokens from shared.css.
   ════════════════════════════════════════ */

/* ── BASE ── */
html, body {
  margin: 0;
  padding: 0;
}
body.landing-page {
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.68;
}

nav {
  position: sticky;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  max-width: none;
}

h1, h2 {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  color: var(--accent);
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.18;
  margin-bottom: 24px;
}

h1 em {
  color: inherit;
  font-style: normal;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

/* ── UI ELEMENT FONTS ── */
.nav-logo,
.brand,
.paper-nav a,
.download-paper,
.section-label,
.meta-item h4,
.metric-label,
.cat-title,
.hbar-head,
.donut-legend,
.context-label,
.chart-label,
.chart-paper h3,
.recognition-paper h4,
.recommendation-paper h4,
.footer-links,
.footer-copy,
.comparison-row,
.mini-bar-head,
.materials-list a {
  font-family: "Inter", system-ui, sans-serif;
}

/* ── TOPBAR ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  padding: 0 40px;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.topbar-inner {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

/* ── PAPER NAV ── */
.paper-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.paper-nav a {
  color: var(--ink-2);
  font-size: 0.78rem;
  text-decoration: none;
}

.paper-nav a:hover,
.paper-nav a.active {
  color: var(--accent);
}

.paper-nav a.active {
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
}

/* ── DOWNLOAD BUTTON ── */
.download-paper {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 2px;
  padding: 9px 14px;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
}

.download-paper.secondary {
  background: transparent;
  color: var(--accent);
}

.download-paper.secondary:hover {
  background: var(--accent);
  color: #fff;
}

/* ── BUTTON OVERRIDES ── */
.btn {
  border-radius: 2px;
  box-shadow: none;
  font-size: 0.82rem;
  padding: 10px 18px;
}

.btn-edu,
.btn-par {
  background: var(--accent);
  color: #fff;
}

.btn-edu:hover,
.btn-par:hover {
  box-shadow: none;
}

.btn-ghost {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn:hover {
  transform: none;
  background: var(--accent-2);
  color: #fff;
}

.btn-closed:hover {
  background: var(--accent);
}

/* ── PAPER MAIN ── */
.paper-main {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── PAPER HERO ── */
.paper-hero {
  width: 100%;
  max-width: 1200px;
  padding: 64px 120px;
  text-align: center;
  background-image:
    linear-gradient(to right, var(--bg-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bg-2) 1px, transparent 1px);
  background-size: 40px 40px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.paper-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.3;
  background: radial-gradient(circle at 50% 50%, var(--bg-3) 0%, transparent 70%);
}

.hero-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 28px;
}

.paper-hero h1 {
  max-width: 800px;
  margin: 0 auto 28px;
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.2;
  color: var(--accent);
}

.paper-lead {
  max-width: 600px;
  margin: 0 auto;
  color: var(--ink-2);
  font-size: 1.08rem;
  line-height: 1.7;
  text-align: center;
}

.vertical-rule {
  width: 1px;
  height: 64px;
  margin: 32px auto 0;
  background: var(--line);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ── PAPER SECTION ── */
.paper-section {
  width: 100%;
  max-width: 1200px;
  padding: 64px 120px;
  margin: 0 auto;
}

.paper-section.narrow > * {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  color: var(--ink-3);
  letter-spacing: 0.18em;
}

.divider {
  width: 78px;
  height: 1px;
  background: var(--line);
  border-radius: 0;
}

/* ── CARD COMPONENTS ── */
.context-card,
.paper-card,
.recommendation-paper,
.recognition-paper {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
  padding: 24px;
}

.context-card {
  text-align: center;
  background: var(--bg-2);
}

/* --- KPI CARDS ENHANCEMENTS --- */
.kpi-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-top: 3px solid var(--line-strong) !important;
  border-radius: 4px !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-total {
  border-top-color: var(--accent-warm) !important;
}

.kpi-split {
  border-top-color: var(--edu) !important;
}

.kpi-risk {
  border-top-color: var(--danger) !important;
}

.split-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.edu-num {
  color: var(--edu);
}

.par-num {
  color: var(--par);
}

.sep {
  color: var(--ink-3);
  font-weight: 400;
  opacity: 0.5;
}

.kpi-split-bar {
  display: flex;
  height: 5px;
  border-radius: var(--r-full);
  overflow: hidden;
  margin-top: auto;
  background: var(--bg-3);
  width: 100%;
}

.bar-edu {
  background: var(--edu);
  height: 100%;
}

.bar-par {
  background: var(--par);
  height: 100%;
}

.kpi-progress-bar {
  height: 5px;
  border-radius: var(--r-full);
  overflow: hidden;
  margin-top: auto;
  background: var(--bg-3);
  width: 100%;
}

.progress-fill {
  display: block;
  background: var(--danger);
  height: 100%;
}

.total-decor {
  height: 5px;
  border-radius: var(--r-full);
  margin-top: auto;
  background: var(--accent-warm);
  opacity: 0.15;
  width: 100%;
}

.context-value {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.7rem);
  line-height: 1.05;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.context-value.danger {
  color: var(--danger);
}

.chart-label {
  color: var(--ink-3);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.context-label {
  display: block;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  margin-top: 6px;
  line-height: 1.35;
}

.kpi-desc {
  font-size: 0.78rem;
  color: var(--ink-2);
  line-height: 1.45;
  margin: 10px 0 auto;
  text-align: center;
}

.paper-heading {
  color: var(--accent);
  font-size: clamp(1.45rem, 3vw, 2rem);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.paper-subheading {
  color: var(--accent);
  font-size: 1.35rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  margin: 32px 0 16px;
}

.problem-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--danger);
  margin-bottom: 14px;
}

.problem-title h3 {
  color: inherit;
  margin: 0;
  font-size: 1.25rem;
}

.paper-card p,
.recommendation-paper p,
.recognition-paper p {
  color: var(--ink-2);
  margin: 0;
  line-height: 1.68;
}

.paper-quote {
  margin: 32px 0 0;
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  color: var(--ink-2);
  font-style: italic;
  font-size: 1.08rem;
  line-height: 1.7;
}

.problem-source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.problem-source:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ── GRID LAYOUTS ── */
.context-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.problem-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(2, 1fr);
}

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

.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* ── MATERIALS LIST ── */
.materials-list {
  display: grid;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.materials-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-2);
  text-decoration: none;
  padding: 10px 12px;
  font-size: 0.84rem;
}

.materials-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.materials-list strong {
  color: var(--accent);
}

/* ── CHARTS ── */
.findings-section,
.resources-section {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.chart-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin: 32px 0;
}

.chart-paper {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bg);
  padding: 24px;
}

.chart-paper h3 {
  font-size: 0.78rem;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.mini-bars {
  display: grid;
  gap: 16px;
}

.mini-bar-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.78rem;
  margin-bottom: 5px;
}

.mini-track {
  height: 8px;
  background: var(--bg-3);
  border-radius: 999px;
  overflow: hidden;
}

.mini-fill {
  display: block;
  height: 100%;
  background: var(--accent);
}

.mini-fill.muted {
  background: var(--ink-4);
}

.comparison-chart {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 24px;
  display: grid;
  gap: 16px;
}

.comparison-row {
  display: grid;
  grid-template-columns: minmax(100px, auto) minmax(0, 1fr) 42px;
  gap: 12px;
  align-items: center;
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 700;
}

.comparison-fill {
  height: 24px;
  background: var(--accent);
  display: block;
}

.comparison-fill.muted {
  background: var(--ink-4);
}

/* ── EXPERT PANEL ── */
.expert-panel {
  background: var(--accent);
  color: #fff;
  padding: 48px;
  border: 1px solid var(--accent);
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 32px;
}

.expert-panel h2 {
  color: #d6e3ff;
  margin-bottom: 16px;
  border: 0;
  padding: 0;
  font-size: 1.45rem;
}

.expert-panel p {
  color: #fff;
  margin: 0;
  line-height: 1.72;
  font-size: 1.05rem;
}

.expert-panel .material-symbols-outlined {
  font-size: 64px;
  color: #aec7f6;
}

/* ── RECOGNITION GRID ── */
.recognition-grid-paper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.recognition-paper {
  text-align: center;
  background: var(--bg-2);
}

.recognition-paper h4 {
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  margin-bottom: 16px;
}

.recognition-paper strong {
  display: block;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1;
  color: var(--accent);
  margin-bottom: 12px;
}

.recognition-paper:first-child strong {
  color: var(--danger);
}

/* ── RECOMMENDATION PAPER ── */
.recommendation-paper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  border-radius: 6px !important;
  padding: 32px 28px !important;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), 
              box-shadow 0.3s cubic-bezier(0.22, 1, 0.36, 1), 
              border-color var(--dur-fast);
}

.recommendation-paper:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.recommendation-paper .material-symbols-outlined {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--accent);
  font-size: 24px;
  margin-bottom: 20px;
  transition: background var(--dur-fast), color var(--dur-fast), transform 0.3s ease;
}

.recommendation-paper:hover .material-symbols-outlined {
  background: var(--accent);
  color: var(--bg);
  transform: scale(1.05);
}

.recommendation-paper h4 {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.recommendation-paper p {
  font-size: 0.88rem;
  line-height: 1.62;
  color: var(--ink-2);
}

/* ── CONCLUSION ── */
.paper-conclusion {
  text-align: center;
}

.paper-conclusion .short-rule {
  width: 96px;
  height: 1px;
  background: var(--ink-3);
  margin: 0 auto 32px;
}

.paper-conclusion h2 {
  border: 0;
  padding: 0;
  margin-bottom: 16px;
  font-size: 1.35rem;
}

.paper-conclusion p {
  max-width: 800px;
  margin: 0 auto;
  color: var(--ink-2);
  font-size: 1.08rem;
  line-height: 1.72;
}

/* ── CONCLUSION CARD ── */
.conclusion-card {
  grid-column: 3 / 11;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(32px, 4vw, 56px) clamp(28px, 3.6vw, 48px);
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.conclusion-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 3px 3px;
}

.conclusion-icon {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 20px;
}

.conclusion-card h2 {
  border: none;
  padding: 0;
  margin-bottom: 20px;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  color: var(--ink);
}

.conclusion-card p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink-2);
  font-size: 1.08rem;
  line-height: 1.72;
}

.conclusion-card strong {
  color: var(--ink);
}

/* ── FOOTER ── */
.paper-footer {
  width: 100%;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 40px 120px;
}

.paper-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 12px 16px;
  flex-wrap: wrap;
  font-size: 0.74rem;
  min-width: 0;
}

.footer-links a {
  color: var(--ink-3);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  color: var(--ink-2);
  font-size: 0.74rem;
}

/* ════════════════════════════════════════
   FINAL LANDING POLISH (desktop-first)
   ════════════════════════════════════════ */

body.landing-page {
  background-color: var(--bg);
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--accent) 9.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--accent) 9.5%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--ink);
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
}

.topbar {
  height: 72px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.topbar-inner {
  max-width: none;
  width: 100%;
  padding-inline: clamp(24px, 4vw, 72px);
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  justify-content: stretch;
}

.topbar-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  color: var(--accent);
  font-size: 1.16rem;
  justify-self: start;
}

.paper-nav {
  gap: 20px;
  justify-self: center;
}

.paper-nav a {
  color: var(--ink-2);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.paper-nav a:hover,
.paper-nav a.active {
  color: var(--accent);
}

.download-paper {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  border-radius: 3px;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--accent) 16%, transparent);
}

.download-paper.secondary {
  background: transparent;
  color: var(--accent);
  box-shadow: none;
}

.download-paper.secondary:hover {
  background: var(--accent);
  color: #fff;
}

.paper-main {
  gap: 0;
}

.paper-hero {
  max-width: none;
  min-height: clamp(720px, calc(100svh - 72px), 980px);
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(min(360px, 100%), 0.82fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding: clamp(72px, 9vh, 116px) clamp(56px, 8vw, 144px);
  text-align: left;
  background: transparent;
  border-bottom: 1px solid var(--line);
}

.paper-hero::before {
  display: none;
}

.hero-copy {
  max-width: 760px;
}

.hero-kicker {
  display: inline-block;
  max-width: 100%;
  margin: 0 0 24px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--accent);
  background: var(--surface);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-wrap: balance;
}

.paper-hero h1 {
  max-width: 780px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.85rem, 5.2vw, 4.9rem);
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.paper-lead {
  max-width: 680px;
  margin: 28px 0 0;
  text-align: left;
  color: var(--ink-2);
  font-size: clamp(1.04rem, 1.35vw, 1.22rem);
  line-height: 1.72;
}

.hero-actions {
  justify-content: flex-start;
  margin-top: 34px;
}

.hero-panel {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 60px color-mix(in srgb, var(--accent) 10%, transparent);
  padding: 28px;
}

.hero-panel-head,
.hero-panel-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.hero-panel-head {
  padding-top: 0;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-panel-row span {
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-panel-row strong {
  color: var(--accent);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.hero-panel-row.danger strong {
  color: var(--danger);
}

.hero-panel-note {
  padding-top: 18px;
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.62;
}

.vertical-rule {
  display: none;
}

.paper-section {
  max-width: none;
  padding: 82px clamp(56px, 8vw, 144px);
}

.paper-section.narrow > * {
  max-width: none;
}

.paper-heading,
.paper-subheading {
  color: var(--ink);
  border-bottom-color: var(--line);
}

.paper-card,
.context-card,
.recommendation-paper,
.recognition-paper,
.chart-paper,
.comparison-chart {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 4%, transparent);
}

.context-grid {
  gap: 18px;
}

.context-card {
  background: var(--surface);
  padding: 30px 24px;
}

.context-value,
.materials-list strong,
.recommendation-paper .material-symbols-outlined,
.recognition-paper strong {
  color: var(--accent);
}

.context-value.danger,
.recognition-paper:first-child strong,
.problem-title {
  color: var(--danger);
}

.context-label,
.chart-label,
.chart-paper h3,
.recognition-paper h4 {
  color: var(--ink-3);
}

.paper-card p,
.recommendation-paper p,
.recognition-paper p,
.paper-conclusion p {
  color: var(--ink-2);
}

.problem-title a {
  color: inherit;
  text-decoration: none;
}

.findings-section,
.resources-section {
  max-width: none;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.findings-section > *,
.resources-section > * {
  max-width: min(920px, calc(100vw - 112px));
}

.mini-track {
  background: color-mix(in srgb, var(--line) 70%, transparent);
}

.mini-fill,
.comparison-fill {
  background: var(--accent);
}

.mini-fill.muted,
.comparison-fill.muted {
  background: var(--ink-4);
}

/* ── FINDINGS SECTION — full-width ── */
.findings-content {
  width: 100%;
  max-width: none;
  margin: 0;
  grid-column: 1 / -1;
}

#findings .findings-content > .paper-heading {
  grid-column: 1 / -1;
  text-align: center;
}

#findings .findings-content > .findings-intro {
  grid-column: 4 / 10;
  text-align: center;
}

#findings .chart-two {
  grid-column: 1 / -1;
  margin: 0;
}

#findings .chart-paper {
  background: var(--surface);
  border-radius: 4px;
  padding: 32px 36px;
}

#findings .paper-subheading {
  grid-column: 1 / -1;
  text-align: center;
}

#findings .comparison-wrapper {
  grid-column: 1 / -1;
  margin: 0;
}

#findings .comparison-chart {
  background: var(--surface);
  border-radius: 4px;
  padding: 28px 36px;
}

#findings {
  padding: 0;
}

.findings-intro {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.72;
}

.chart-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}

.chart-icon .material-symbols-outlined {
  font-size: 22px;
  color: var(--accent);
  font-variation-settings: 'FILL' 1;
}

.chart-desc {
  color: var(--ink-3);
  font-size: 0.78rem;
  margin: 0 0 18px;
  line-height: 1.5;
}

/* animated bars */
.mini-fill {
  width: var(--w);
  animation: bar-grow 0.8s var(--ease-out) both;
}

@keyframes bar-grow {
  from { width: 0; }
  to { width: var(--w); }
}

.comparison-wrapper {
  overflow-x: auto;
  padding-bottom: 4px;
}

.comparison-chart {
  border-radius: 3px;
}

.comp-label {
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 700;
}

.comp-bar {
  flex: 1;
  min-width: 0;
}

.comp-value {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  min-width: 42px;
  text-align: right;
}

.materials-list a {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink-2);
}

.materials-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.expert-panel {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 18px 60px color-mix(in srgb, var(--accent) 10%, transparent);
}

.paper-footer {
  background: var(--bg-2);
  border-top-color: var(--line);
}

.footer-links a,
.footer-copy {
  color: var(--ink-3);
}

.footer-links a:hover {
  color: var(--accent);
}

/* ── FULL-WIDTH 12-COLUMN GRID SYSTEM ── */
.paper-section {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2vw, 32px);
  row-gap: 28px;
  padding: clamp(72px, 8vw, 118px) clamp(56px, 7vw, 128px);
  border-bottom: 1px solid var(--line);
}

.paper-section > * {
  grid-column: 1 / -1;
}

.paper-section > .paper-heading,
.paper-section > p,
.paper-section > blockquote,
.paper-section > .expert-panel,
.paper-section > .recognition-grid-paper,
.paper-section > .materials-grid {
  grid-column: 2 / 12;
}

.paper-section > .paper-heading {
  margin-bottom: 8px;
}

.paper-section > p,
.findings-section p,
#corpus > p {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.72;
}

.context-grid {
  grid-column: 2 / 12;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.problem-grid {
  grid-column: 2 / 12;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 34px);
}

.findings-section > div,
.resources-section > div {
  grid-column: 2 / 12;
  width: 100%;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.comparison-chart {
  width: 100%;
  min-width: 0;
}

.materials-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 34px);
}

.expert-panel {
  grid-template-columns: minmax(56px, 0.16fr) minmax(0, 1fr);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.recognition-grid-paper,
.recommendations-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resources-section .recommendations-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.paper-conclusion {
  text-align: left;
}

.paper-conclusion .short-rule,
.paper-conclusion h2,
.paper-conclusion p {
  grid-column: 3 / 11;
}

.paper-conclusion .short-rule {
  margin-left: 0;
}

.conclusion-card {
  grid-column: 3 / 11;
}

#corpus {
  background: transparent;
  border-radius: 0;
}

#corpus > p {
  color: var(--ink-2);
}

#corpus .paper-card {
  background: var(--surface);
  border-color: var(--line);
}

#corpus .problem-title {
  color: var(--accent);
}

#corpus .problem-title h3 {
  color: var(--accent);
}

#corpus .materials-list a {
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border-color: var(--line);
  color: var(--ink-2);
}

#corpus .materials-list a span {
  color: var(--ink-2);
}

#corpus .materials-list strong {
  color: var(--accent);
}

#corpus .materials-list a:hover,
#corpus .materials-list a:hover span {
  color: var(--accent);
}

/* ── DENSE DESKTOP TILE BOARD ── */
.landing-tile-board {
  width: 100%;
}

@media (min-width: 1101px) {
  .topbar {
    height: 64px;
  }

  .paper-hero {
    min-height: 0;
    grid-template-columns: minmax(0, 1.36fr) minmax(310px, 0.64fr);
    align-items: stretch;
    gap: clamp(28px, 3.6vw, 56px);
    padding: clamp(34px, 4.8vh, 52px) clamp(44px, 6vw, 112px) clamp(28px, 3.4vh, 42px);
  }

  .hero-copy {
    align-self: center;
  }

  .hero-kicker {
    margin-bottom: 14px;
    padding: 5px 10px;
    font-size: 0.68rem;
  }

  .paper-hero h1 {
    max-width: 900px;
    font-size: clamp(2.15rem, 3.85vw, 3.75rem);
    line-height: 1.04;
  }

  .paper-lead {
    max-width: 740px;
    margin-top: 16px;
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .download-paper {
    padding: 8px 12px;
  }

  .hero-panel {
    align-self: stretch;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 16px;
    background: color-mix(in srgb, var(--surface) 65%, transparent) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .hero-panel-head,
  .hero-panel-row {
    border-bottom: 0;
    padding: 0;
  }

  .hero-panel-head {
    grid-column: 1 / -1;
    padding-bottom: 2px;
  }

  .hero-panel-row {
    display: grid;
    align-content: start;
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 78%, var(--bg-2));
  }

  .hero-panel-row span {
    font-size: 0.74rem;
    line-height: 1.25;
    overflow-wrap: break-word;
    hyphens: auto;
  }

  .hero-panel-row strong {
    font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
    font-size: clamp(1.72rem, 2.65vw, 2.5rem);
  }

  .hero-panel-note {
    grid-column: 1 / -1;
    padding: 10px 12px 0;
    border-top: 1px solid var(--line);
    font-size: 0.78rem;
    line-height: 1.42;
  }

  .landing-tile-board {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-flow: dense;
    align-items: stretch;
    gap: clamp(22px, 2vw, 28px);
    padding: 28px clamp(40px, 4.6vw, 84px) 40px;
  }

  .landing-tile-board > .paper-section {
    display: flex;
    flex-direction: column;
    max-width: none;
    min-width: 0;
    margin: 0;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: color-mix(in srgb, var(--surface) 65%, transparent);
    box-shadow: 0 14px 42px color-mix(in srgb, var(--accent) 5%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .landing-tile-board > #findings,
  .landing-tile-board > #resources {
    padding: 24px;
    background: color-mix(in srgb, var(--surface) 65%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .tile-context { grid-row: 1; grid-column: 1 / span 5; }
  .tile-problem { grid-row: 1; grid-column: 6 / span 7; }
  .tile-methodology { grid-row: 2; grid-column: 1 / span 4; }
  .tile-findings { grid-row: 2; grid-column: 5 / span 8; }
  .tile-corpus { grid-row: 3; grid-column: 1 / span 7; }
  .tile-resources { grid-row: 3; grid-column: 8 / span 5; }
  .tile-conclusion { grid-row: 4; grid-column: 1 / -1; }

  /* Ensure children of grid items stretch to fill the height */
  .tile-context .context-grid {
    flex-grow: 1;
    display: grid;
  }
  .tile-problem {
    justify-content: space-between;
  }
  .tile-problem .problem-grid {
    flex-grow: 1;
  }
  .tile-findings .findings-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .tile-findings .comparison-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .tile-methodology .recognition-grid-paper {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 1fr;
    gap: 12px;
    flex-grow: 1;
  }
  .tile-methodology .recognition-paper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
  }
  .tile-corpus .materials-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    flex-grow: 1;
  }
  #corpus.tile-corpus .paper-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
  }
  .tile-resources > div {
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .tile-resources .recommendations-grid {
    flex-grow: 1;
  }

  .landing-tile-board .paper-heading,
  .landing-tile-board .paper-subheading {
    margin: 0 0 12px;
    padding-bottom: 8px;
    font-size: clamp(1.08rem, 1.45vw, 1.42rem);
    line-height: 1.12;
  }

  .landing-tile-board p,
  .landing-tile-board .findings-intro,
  .landing-tile-board #corpus > p {
    font-size: 0.86rem;
    line-height: 1.48;
  }

  .landing-tile-board .paper-card,
  .landing-tile-board .context-card,
  .landing-tile-board .chart-paper,
  .landing-tile-board .recommendation-paper,
  .landing-tile-board .recognition-paper,
  .landing-tile-board .comparison-chart {
    padding: 16px;
    border-color: color-mix(in srgb, var(--line) 72%, transparent);
    background: color-mix(in srgb, var(--surface) 76%, transparent);
  }

  .tile-context .paper-heading {
    text-align: left !important;
  }

  .tile-context .context-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .tile-context .context-card {
    padding: 24px 16px;
  }

  .tile-context .context-value {
    font-size: 2.8rem;
  }

  .tile-context .split-metrics {
    font-size: 2.2rem;
  }

  .tile-problem .problem-grid {
    gap: 12px;
  }

  .tile-problem .problem-title {
    color: var(--accent);
    gap: 8px;
    margin-bottom: 8px;
  }

  .tile-problem .paper-card p {
    margin-bottom: 8px;
  }

  .tile-problem .paper-quote {
    margin: 12px 0 0;
    padding: 12px 14px;
    font-size: 0.9rem;
    line-height: 1.48;
  }

  .tile-findings .findings-content,
  .tile-resources > div {
    display: block;
    max-width: none;
    width: 100%;
    margin: 0;
  }

  .tile-findings .paper-heading,
  .tile-resources .paper-heading {
    text-align: left !important;
  }

  .tile-findings .findings-intro {
    margin: 0 0 12px;
    text-align: left;
  }

  .tile-findings .chart-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0 0 12px;
  }

  .tile-findings .chart-icon {
    width: 30px;
    height: 30px;
    margin-bottom: 8px;
  }

  .tile-findings .chart-icon .material-symbols-outlined {
    font-size: 18px;
  }

  .tile-findings .chart-paper h3 {
    font-size: 0.95rem;
  }

  .tile-findings .chart-desc {
    margin-bottom: 10px;
    font-size: 0.72rem;
  }

  .tile-findings .mini-bars {
    gap: 8px;
  }

  .tile-findings .paper-subheading {
    margin-top: 14px;
    font-size: 1rem;
  }

  .tile-findings .comparison-row {
    grid-template-columns: minmax(80px, auto) minmax(0, 1fr) 36px;
    gap: 10px;
    padding: 6px 0;
  }

  .tile-findings .comp-label {
    font-size: 0.72rem;
    white-space: normal;
    word-break: break-word;
    line-height: 1.3;
  }

  .tile-corpus > p {
    margin-bottom: 12px !important;
  }

  .tile-corpus .materials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  #corpus.tile-corpus .paper-card {
    padding: 16px;
  }

  .tile-corpus .problem-title {
    gap: 8px;
    margin-bottom: 10px;
  }

  .tile-corpus .problem-title h3 {
    font-size: 0.95rem;
  }

  .tile-corpus .materials-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 8px;
    flex-grow: 1;
  }

  .tile-corpus .materials-list li {
    display: flex;
  }

  .tile-corpus .materials-list li:last-child:nth-child(odd) {
    grid-column: span 2;
  }

  .tile-corpus .materials-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
    gap: 6px;
    padding: 8px 10px;
    font-size: 0.72rem;
    border-radius: var(--r-sm);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .tile-corpus .materials-list a:hover {
    background: color-mix(in srgb, var(--accent) 4%, var(--surface));
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 8%, transparent);
  }

  .tile-corpus .materials-list a span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .tile-methodology .expert-panel {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
    margin-bottom: 14px;
    padding: 16px;
  }

  .tile-methodology .expert-panel .material-symbols-outlined {
    font-size: 26px;
  }

  .tile-methodology .expert-panel h2 {
    margin-bottom: 6px;
    font-size: 1.15rem;
  }

  .tile-methodology .paper-subheading {
    margin-top: 0;
  }

  .tile-methodology .recognition-grid-paper {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .tile-methodology .recognition-paper strong {
    font-size: 2.8rem;
  }

  .tile-resources .recommendations-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .tile-resources .recommendation-paper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    padding: 24px 24px !important;
  }

  .tile-resources .recommendation-paper .material-symbols-outlined {
    margin-bottom: 12px;
  }

  .tile-resources .recommendation-paper h4 {
    margin-bottom: 6px;
    font-size: 1rem;
  }

  .tile-conclusion {
    padding: 24px 28px;
    border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
    border-left: 4px solid var(--accent);
    background: color-mix(in srgb, var(--surface) 65%, transparent);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .tile-conclusion .conclusion-card {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 4px 20px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    text-align: left;
  }

  .tile-conclusion .conclusion-card::before {
    display: none;
  }

  .tile-conclusion .conclusion-icon {
    grid-column: 1;
    grid-row: 1 / span 2;
    display: inline-grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: var(--r-full);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
    font-size: 28px;
    margin: 0;
    align-self: start;
    justify-self: center;
  }

  .tile-conclusion h2 {
    grid-column: 2;
    grid-row: 1;
    margin: 0 0 6px;
    font-size: 1.32rem;
    color: var(--accent);
    border: 0;
    padding: 0;
  }

  .tile-conclusion p {
    grid-column: 2;
    grid-row: 2;
    max-width: none;
    margin: 0;
    font-size: 1.06rem;
    line-height: 1.72;
    color: var(--ink-2);
  }
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */

/* Tablet: collapse hero to single column */
@media (max-width: 1100px) {
  .topbar-inner {
    grid-template-columns: auto 1fr auto;
  }

  .paper-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-panel {
    max-width: 620px;
  }

  .paper-section {
    grid-template-columns: 1fr;
  }

  .paper-section > *,
  .paper-section > .paper-heading,
  .paper-section > p,
  .paper-section > blockquote,
  .paper-section > .expert-panel,
  .paper-section > .recognition-grid-paper,
  .paper-section > .materials-grid,
  .findings-section > div,
  .resources-section > div,
  .paper-conclusion .short-rule,
  .paper-conclusion h2,
  .paper-conclusion p {
    grid-column: 1 / -1;
  }
}

/* Mobile: prevent horizontal overflow */
@media (max-width: 900px) {
  html, body {
    overflow-x: hidden;
  }

  .topbar {
    padding: 0 16px;
  }

  .topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    width: 100%;
  }

  .brand {
    display: inline-block;
    max-width: calc(100% - 120px);
    font-size: clamp(0.78rem, 4.2vw, 0.95rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
  }

  .paper-nav,
  .download-paper {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .paper-nav.open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 20px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 36px color-mix(in srgb, var(--accent) 8%, transparent);
    z-index: 100;
  }

  .paper-nav.open a {
    display: block;
    padding: 12px 0;
  }

  .paper-section,
  .paper-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .context-grid,
  .problem-grid,
  .materials-grid,
  .chart-two,
  .recognition-grid-paper,
  .resources-section .recommendations-grid,
  .recommendations-grid {
    grid-template-columns: 1fr;
  }

  .split-metrics {
    font-size: clamp(1.4rem, 5vw, 2.2rem) !important;
  }

  .materials-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  @media (min-width: 480px) {
    .materials-list {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .materials-list li:last-child:nth-child(odd) {
      grid-column: span 2;
    }
  }

  .recommendation-paper {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 4px 12px;
    text-align: left;
    align-items: flex-start;
    padding: 16px !important;
  }

  .recommendation-paper .material-symbols-outlined {
    grid-column: 1;
    grid-row: 1 / span 2;
    font-size: 26px;
    margin: 0;
    align-self: start;
    justify-self: center;
    color: var(--accent);
  }

  .recommendation-paper h4 {
    grid-column: 2;
    grid-row: 1;
    margin: 0 0 2px;
    font-size: 0.9rem;
    color: var(--ink);
  }

  .recommendation-paper p {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.48;
    color: var(--ink-2);
  }

  .comparison-chart {
    min-width: 0;
    padding: 16px;
  }

  .comparison-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .comp-label {
    font-size: 0.78rem;
    white-space: normal;
    word-break: break-word;
  }

  .comparison-row span:last-child {
    justify-self: end;
  }

  .expert-panel {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }

  .paper-footer {
    padding: 32px 20px;
  }

  .score-row {
    grid-template-columns: 1fr;
    gap: 6px;
    font-size: 0.76rem;
  }

  .score-row > span:last-child {
    justify-self: end;
  }

  .insight-panel {
    grid-template-columns: 1fr;
    padding: 24px 20px;
  }

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

/* Small phone: tighten everything further */
@media (max-width: 520px) {
  .paper-hero {
    padding: 48px 16px 40px;
  }

  .paper-section {
    padding: 40px 16px;
  }

  .paper-hero h1 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .hero-panel {
    padding: 20px 16px;
  }

  .expert-panel {
    padding: 24px 16px;
  }

  .comparison-chart {
    padding: 16px;
  }
}

/* ════════════════════════════════════════
   DARK THEME
   ════════════════════════════════════════ */

@media (prefers-color-scheme: dark) {
  .conclusion-card {
    background: var(--surface);
    border-color: var(--line);
    box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 4%, transparent);
  }

  .conclusion-card::before {
    background: var(--accent);
  }

  .conclusion-icon {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
  }

  .conclusion-card h2 {
    color: var(--ink);
  }

  .conclusion-card p {
    color: var(--ink-2);
  }

  .conclusion-card strong {
    color: var(--ink);
  }

  .expert-panel,
  .expert-panel h2,
  .expert-panel p,
  .expert-panel .material-symbols-outlined {
    color: #09111c;
  }
}

/* ════════════════════════════════════════
   ACCESSIBILITY
   ════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
  }
}

/* Touch-friendly tap targets and mobile UX */
@media (max-width: 900px) {
  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
  }

  .topbar-actions .download-paper {
    display: none;
  }

  .download-paper,
  .theme-toggle {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .materials-list a {
    padding: 14px 16px;
  }

  * {
    -webkit-tap-highlight-color: transparent;
  }
}

/* ════════════════════════════════════════
   LANGUAGE-INDEPENDENT RESPONSIVE FIXES
   Ensures layout adapts regardless of
   text length across uk/en/sk languages
   ════════════════════════════════════════ */

/* --- Global text overflow safety --- */
h1, h2, h3, h4,
.hero-kicker,
.paper-lead,
.context-label,
.kpi-desc,
.comp-label,
.paper-card p,
.recommendation-paper p,
.recognition-paper p,
.expert-panel p,
.hero-panel-note,
.chart-desc,
.mini-bar-head span,
.conclusion-card p,
.footer-links a,
.footer-copy {
  overflow-wrap: break-word;
  word-break: break-word;
}

/* --- Hero panel: flex labels for any text length --- */
.hero-panel-row {
  min-width: 0;
}

.hero-panel-row span {
  min-width: 0;
  overflow-wrap: break-word;
}

/* --- Nav links: prevent overflow with long labels --- */
.paper-nav {
  min-width: 0;
  overflow: hidden;
}

.paper-nav a {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* --- Context cards: ensure labels wrap nicely --- */
.context-label {
  min-width: 0;
  text-wrap: balance;
}

.kpi-desc {
  min-width: 0;
  text-wrap: balance;
}

/* --- Expert panel: prevent text overflow --- */
.expert-panel {
  min-width: 0;
}

.expert-panel > div {
  min-width: 0;
}

/* --- Chart bars: label flexibility --- */
.mini-bar-head {
  min-width: 0;
  flex-wrap: wrap;
}

.mini-bar-head span {
  min-width: 0;
  flex: 1 1 0;
}

/* --- Comparison chart: language-safe labels --- */
.comp-label {
  min-width: 0;
  line-height: 1.3;
}

.comp-bar {
  min-width: 40px;
}

/* --- Recommendations: flexible text --- */
.recommendation-paper h4 {
  min-width: 0;
  text-wrap: balance;
}

/* --- Materials list: prevent text from overflowing --- */
.materials-list a span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Footer: better wrapping for long translations --- */
.paper-footer-inner {
  gap: 16px 24px;
}

/* --- Tablet: additional language-safe tweaks --- */
@media (max-width: 1100px) {
  .hero-panel-row {
    flex-wrap: wrap;
    gap: 8px;
  }

  .hero-panel-row strong {
    font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  }

  .comparison-row {
    grid-template-columns: minmax(80px, auto) minmax(0, 1fr) 42px;
    gap: 10px;
  }

  .paper-footer {
    padding: 32px clamp(20px, 4vw, 72px);
  }

  .paper-footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .footer-links {
    gap: 8px 16px;
  }
}

/* --- Small tablets: tighter grids for long text --- */
@media (max-width: 900px) {
  .expert-panel h2 {
    font-size: clamp(1.1rem, 3vw, 1.45rem);
  }

  .expert-panel p {
    font-size: 0.92rem;
  }

  .hero-panel-head {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
  }

  .hero-panel-row span {
    font-size: 0.78rem;
  }

  .recognition-paper h4 {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
  }

  .recognition-paper strong {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  /* Comparison labels need room to breathe */
  .comparison-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .comp-bar {
    min-width: 0;
  }

  .comp-value {
    text-align: left;
  }
}

/* --- Small phone: max flexibility --- */
@media (max-width: 520px) {
  .hero-kicker {
    font-size: 0.64rem;
    letter-spacing: 0.1em;
    padding: 5px 8px;
  }

  .paper-lead {
    font-size: 0.92rem;
    line-height: 1.55;
  }

  .context-grid {
    gap: 12px;
  }

  .context-value {
    font-size: clamp(1.4rem, 6vw, 2.2rem);
  }

  .context-label {
    font-size: 0.85rem;
  }

  .problem-title h3 {
    font-size: 1.05rem;
  }

  .paper-quote {
    font-size: 0.92rem;
    padding-left: 12px;
  }

  .chart-paper h3 {
    font-size: 0.72rem;
  }

  .mini-bar-head {
    font-size: 0.72rem;
  }

  .hero-panel-note {
    font-size: 0.82rem;
  }

  .hero-panel-row strong {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
  }

  .paper-footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-links {
    gap: 8px 12px;
    font-size: 0.72rem;
  }

  .recommendation-paper h4 {
    font-size: 0.85rem;
  }

  .recommendation-paper p {
    font-size: 0.78rem;
  }
}