/* Public Promotion entry, aligned with the study overview. */
body.promotion-landing {
  --navy: #00305b;
  --blue: #004899;
  --muted: #536575;
  --line: #d8e4f3;
  --surface: #f3f7fb;
  margin: 0;
  color: var(--navy);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color-scheme: light;
}
.promotion-landing * { box-sizing: border-box; }
html:has(.promotion-landing) { scroll-behavior: smooth; scroll-padding-top: 0; }
.promotion-landing a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
.promotion-landing :focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.promotion-landing h1, .promotion-landing h2, .promotion-landing h3, .promotion-landing p { margin-top: 0; }
.promotion-landing img { display: block; max-width: 100%; }
.promotion-landing .skip-link { position: fixed; top: -100px; left: 12px; z-index: 100; background: var(--navy); color: #fff; padding: 12px; }
.promotion-landing .skip-link:focus { top: 12px; }
.promotion-landing .section-wrap, .promotion-landing .hero-shell { width: calc(100% - 112px); max-width: 1180px; margin-inline: auto; }
.promotion-landing main { padding-top: calc(var(--landing-header-height, 82px) + 20px); }
.promotion-landing section[id] { scroll-margin-top: calc(var(--landing-header-height, 54px) + 46px); }
.promotion-landing .hero { padding-block: 40px; }
.promotion-landing .hero-shell { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(240px, .85fr); align-items: center; gap: 64px; }
.promotion-landing .hero-copy h1 { max-width: 650px; font-size: clamp(40px, 4.3vw, 58px); font-weight: 700; line-height: 1.12; letter-spacing: -.025em; margin-bottom: 24px; }
.promotion-landing .hero-welcome { display: block; color: var(--blue); font-size: 22px; font-weight: 500; letter-spacing: 0; line-height: 1.3; margin-bottom: 16px; }
.promotion-landing .hero-copy > p { max-width: 580px; color: var(--muted); font-size: 20px; line-height: 1.6; margin-bottom: 0; }
.promotion-landing .hero-portrait { margin: 0; text-align: center; }
.promotion-landing .hero-portrait img { width: 300px; height: 300px; border-radius: 50%; object-fit: cover; object-position: center top; margin-inline: auto; }
.promotion-landing .product-link { display: inline-flex; align-items: center; gap: 12px; color: var(--blue); font-size: 14px; font-weight: 600; padding-block: 10px; }
.promotion-landing .product-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.promotion-landing h2 { font-size: clamp(26px, 2.5vw, 32px); line-height: 1.2; margin-bottom: 0; }
.promotion-landing .product-section { padding-block: 56px; }
.promotion-landing .studies-section { padding-block: 40px 112px; }
.promotion-landing .studies-section .section-wrap { max-width: 1340px; }
.promotion-landing .studies-section .section-heading { margin-bottom: 36px; }
.promotion-landing .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.promotion-landing .section-heading p { color: var(--muted); margin: 12px 0 0; font-size: 15px; }
.promotion-landing .section-heading > .product-link { flex-shrink: 0; }
.promotion-landing .study-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.promotion-landing .trace { --accent: #b971ac; --tint: #faf4f9; }
.promotion-landing .maps { --accent: #a6d9e2; --tint: #f0f8fa; }
.promotion-landing .paths { --accent: #f08338; --tint: #fff6ef; }
.promotion-landing .study-sheet { display: flex; flex-direction: column; min-width: 0; min-height: 520px; padding: 40px; border: 1px solid var(--line); border-top: 3px solid var(--accent); background: var(--tint); transition: transform .2s, box-shadow .2s; }
.promotion-landing .study-brand { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; align-items: center; gap: 12px; margin-bottom: 40px; }
.promotion-landing .study-brand img { width: 40px; height: 40px; object-fit: contain; }
.promotion-landing .study-brand > span { color: var(--blue); font-size: 26px; font-weight: 700; }
.promotion-landing .study-number { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 44px; color: var(--navy); line-height: 1.1; }
.promotion-landing .study-number > span { font-size: 11px; color: var(--muted); }
.promotion-landing .study-number > strong { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--accent); border-radius: 50%; background: #ffffff80; font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1; }
.promotion-landing .study-sheet h3 { font-size: 30px; line-height: 1.25; margin-bottom: 16px; }
.promotion-landing .study-sheet p { color: var(--muted); font-size: 16px; margin-bottom: 24px; }
.promotion-landing .sheet-link { display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 600; margin-top: auto; }
/* Short dated updates sit below the larger study cards. */
.promotion-landing .news-section { background: var(--surface); border-block: 1px solid var(--line); padding-block: 40px; }
.promotion-landing .news-section h2 { font-size: 26px; }
.promotion-landing .news-section .section-heading { margin-bottom: 18px; }
.promotion-landing .news-posts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; }
.promotion-landing .news-posts:empty { display: none; }
.promotion-landing .news-post { display: grid; grid-template-columns: 1fr; align-content: start; gap: 12px; min-width: 0; border: 1px solid var(--line); padding: 24px; background: #fff; }
.promotion-landing .news-post:only-child { grid-template-columns: 150px minmax(0, 1fr); gap: 28px; }
.promotion-landing .news-date { display: inline-flex; align-items: center; align-self: start; gap: 9px; color: var(--muted); line-height: 1.2; }
.promotion-landing .news-date-day { font-size: 28px; font-weight: 500; color: var(--navy); }
.promotion-landing .news-date-details { display: flex; flex-direction: column; gap: 2px; font-size: 11px; }
.promotion-landing .news-content { min-width: 0; max-width: 760px; }
.promotion-landing .news-post h3 { font-size: 18px; line-height: 1.35; margin: 0; overflow-wrap: anywhere; }
.promotion-landing .news-post p { font-size: 14px; color: var(--muted); margin: 8px 0 0; overflow-wrap: anywhere; }
.promotion-landing .news-status { color: var(--muted); font-size: 14px; margin-bottom: 0; }
.promotion-landing .news-section[id] { scroll-margin-top: var(--landing-header-height, 72px); }
.promotion-landing .promotion-ending { padding-top: 48px; scroll-margin-top: var(--landing-header-height, 72px); }
/* Research affiliation and personal footer match the study overview. */
.promotion-landing .research-context { background: #fff; }
.promotion-landing .research-context-inner { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(310px, 1fr); align-items: center; gap: 48px; max-width: 1280px; padding-block: 36px; }
.promotion-landing .research-topic { max-width: 660px; font-size: 21px; line-height: 1.4; font-weight: 600; letter-spacing: 0; color: var(--navy); margin: 0; text-wrap: balance; }
.promotion-landing .research-affiliation { display: grid; grid-template-columns: minmax(0, 1fr) 140px; align-items: center; gap: 24px; text-align: right; flex-shrink: 0; }
.promotion-landing .research-project { font-size: 13px; line-height: 1.55; color: var(--muted); margin: 0; }
.promotion-landing .research-project span { display: block; font-weight: 600; color: var(--navy); }
.promotion-landing .research-university { display: block; }
.promotion-landing .research-university img { display: block; width: 140px; height: auto; margin: 0; border-radius: 0; object-fit: contain; }
.promotion-landing .compact-footer { margin-top: auto; background: var(--navy); color: #fff; scroll-margin-top: calc(var(--landing-header-height, 54px) + 46px); }
.promotion-landing .footer-signature { padding-block: 24px; display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.promotion-landing .footer-person { display: flex; align-items: center; gap: 23px; min-width: 0; }
.promotion-landing .footer-person > div { min-width: 0; }
.promotion-landing .footer-portrait { display: block; flex-shrink: 0; width: 104px; height: 104px; object-fit: cover; object-position: 50% 30%; border-radius: 50%; }
.promotion-landing .footer-name { font-size: 24px; font-weight: 700; line-height: 1.2; margin: 0 0 10px; }
.promotion-landing .footer-actions { display: flex; align-items: center; gap: 10px; }
.promotion-landing .footer-social-link { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; flex-shrink: 0; border: 1px solid #ffffff40; border-radius: 50%; color: #fff; transition: background .2s, transform .2s; }
.promotion-landing .footer-social-link svg { width: 17px; height: 17px; }
.promotion-landing .footer-social-link:hover { background: #ffffff20; transform: translateY(-2px); }
.promotion-landing .footer-contact { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; line-height: 1.2; padding: 8px 10px; white-space: nowrap; background: transparent; color: #fff; border: 1px solid #ffffff55; transition: background .2s, border-color .2s; }
.promotion-landing .footer-contact svg { width: 14px; height: 14px; flex-shrink: 0; }
.promotion-landing .footer-contact:hover { background: #ffffff14; border-color: #ffffff99; }
.promotion-landing .footer-bottom { border-top: 1px solid #ffffff26; padding-block: 14px; font-size: 10px; color: #d2dfed; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.promotion-landing .footer-legal { display: flex; justify-content: flex-end; gap: 24px; font-size: 12px; color: #d2dfed; }
.promotion-landing .footer-legal a:hover { text-decoration: underline; text-underline-offset: 4px; }
.promotion-landing .compact-footer :focus-visible { outline-color: #fff; }
@media (hover: hover) and (pointer: fine) {
  .promotion-landing .study-sheet:hover { transform: translateY(-4px); box-shadow: 0 12px 24px #00305b12; }
}
@media (max-width: 1100px) {
  .promotion-landing .section-wrap, .promotion-landing .hero-shell { width: calc(100% - 64px); }
  .promotion-landing .hero-shell { gap: 36px; }
  .promotion-landing .hero-portrait img { width: 260px; height: 260px; }
  .promotion-landing .study-grid { gap: 18px; }
  .promotion-landing .study-sheet { min-height: clamp(400px, 52svh, 480px); padding: 28px; }
  .promotion-landing .study-sheet h3 { font-size: 25px; }
}
@media (min-width: 761px) and (max-width: 960px) {
  .promotion-landing .study-grid { grid-template-columns: 1fr; }
  .promotion-landing .study-sheet { min-height: 400px; }
}
@media (max-width: 960px) {
  .promotion-landing .research-context-inner { grid-template-columns: 1fr; gap: 24px; padding-block: 28px; }
  .promotion-landing .research-topic { max-width: 660px; font-size: 20px; }
  .promotion-landing .research-affiliation { grid-template-columns: minmax(0, 1fr) 128px; gap: 20px; max-width: 440px; text-align: left; }
  .promotion-landing .research-university img { width: 128px; }
  .promotion-landing .footer-signature { padding-block: 25px; align-items: stretch; flex-direction: column; gap: 28px; }
  .promotion-landing .footer-social-link { width: 32px; height: 32px; }
  .promotion-landing .footer-actions { gap: 8px; flex-wrap: wrap; }
  .promotion-landing .footer-legal { gap: 16px; font-size: 11px; }
  .promotion-landing .footer-person { gap: 17px; }
  .promotion-landing .footer-portrait { width: 88px; height: 88px; }
  .promotion-landing .footer-name { font-size: 22px; margin-bottom: 8px; }
  .promotion-landing .footer-contact { font-size: 11px; }
  .promotion-landing .footer-bottom { padding-block: 16px; font-size: 10px; }
}
@media (max-width: 760px) {
  .promotion-landing .section-wrap, .promotion-landing .hero-shell { width: calc(100% - 40px); }
  .promotion-landing main { padding-top: calc(var(--landing-header-height, 72px) + 22px); }
  .promotion-landing section[id] { scroll-margin-top: calc(var(--landing-header-height, 54px) + 32px); }
  .promotion-landing .hero { padding-block: 20px 24px; }
  .promotion-landing .hero-shell { grid-template-columns: 1fr; gap: 26px; }
  .promotion-landing .hero-copy h1 { font-size: 38px; margin-bottom: 20px; }
  .promotion-landing .hero-welcome { font-size: 20px; margin-bottom: 12px; }
  .promotion-landing .hero-copy > p { font-size: 18px; }
  .promotion-landing .research-topic { font-size: 18px; }
  .promotion-landing .hero-portrait { text-align: left; }
  .promotion-landing .hero-portrait img { width: 120px; height: 120px; margin: 0; }
  .promotion-landing .product-section { padding-block: 36px; }
  .promotion-landing .studies-section { padding-block: 32px 80px; }
  .promotion-landing .studies-section .section-heading { margin-bottom: 28px; }
  .promotion-landing .section-heading { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 22px; }
  .promotion-landing h2 { font-size: 28px; }
  .promotion-landing .study-grid { grid-template-columns: 1fr; gap: 28px; }
  .promotion-landing .study-sheet { min-height: clamp(400px, 52svh, 480px); padding: 28px; }
  .promotion-landing .study-brand { grid-template-columns: 34px minmax(0, 1fr) auto; margin-bottom: 32px; }
  .promotion-landing .study-brand img { width: 34px; height: 34px; }
  .promotion-landing .study-brand > span { font-size: 25px; }
  .promotion-landing .study-sheet h3 { font-size: clamp(24px, 6.6vw, 28px); }
  .promotion-landing .study-sheet p { margin-bottom: 20px; }
  .promotion-landing .news-section { padding-block: 40px; scroll-margin-top: var(--landing-header-height, 72px); }
  .promotion-landing .news-section h2 { font-size: 28px; }
  .promotion-landing .news-posts { grid-template-columns: 1fr; gap: 20px; }
  .promotion-landing .news-post, .promotion-landing .news-post:only-child { grid-template-columns: 1fr; padding: 22px; gap: 10px; }
  .promotion-landing .promotion-ending { padding-top: 40px; }
  .promotion-landing .news-post h3 { font-size: 19px; }
  .promotion-landing .news-post p { font-size: 15px; line-height: 1.65; }
  .promotion-landing .compact-footer { scroll-margin-top: calc(var(--landing-header-height, 54px) + 32px); }
}
@media (max-width: 360px) {
  .promotion-landing .hero-copy h1 { font-size: 34px; }
  .promotion-landing .study-sheet { padding: 24px; }
  .promotion-landing .study-brand { gap: 10px; }
  .promotion-landing .research-affiliation { grid-template-columns: minmax(0, 1fr) 86px; gap: 16px; }
  .promotion-landing .research-university img { width: 86px; }
  .promotion-landing .footer-person { gap: 14px; }
  .promotion-landing .footer-portrait { width: 76px; height: 76px; }
  .promotion-landing .footer-name { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html:has(.promotion-landing) { scroll-behavior: auto; }
  .promotion-landing * { transition: none !important; }
}

/* Compact public updates: filters and a single horizontal card row. */
.promotion-landing .news-compact { padding-block: 32px; }
.promotion-landing .news-compact:target { min-height: 0 !important; }
.promotion-landing .news-compact .news-heading { align-items: center; gap: 16px; margin-bottom: 18px; }
.promotion-landing .news-compact .news-tools { display: flex; align-items: center; gap: 14px; }
.promotion-landing .news-compact .news-filters { display: flex; align-items: center; gap: 6px; }
.promotion-landing .news-compact .news-filters button { border: 1px solid var(--line); border-radius: 3px; background: #fff; color: var(--navy); padding: 7px 12px; font: inherit; font-size: 12px; line-height: 1.4; cursor: pointer; }
.promotion-landing .news-compact .news-filters button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue); color: #fff; }
.promotion-landing .news-compact .news-filters button[data-news-filter="promotion"]:not([aria-pressed="true"]) { background: #edf3fa; }
.promotion-landing .news-compact .news-filters button[data-news-filter="news"]:not([aria-pressed="true"]) { background: #edf5f4; border-color: #d0e3df; }
.promotion-landing .news-compact .news-rail { display: flex; align-items: stretch; gap: 16px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #c3d4e2 transparent; scroll-padding-inline: 0; padding-bottom: 5px; }
.promotion-landing .news-compact .news-card,
.promotion-landing .news-compact .news-card:only-child { --news-tint: #edf3fa; --news-border: #c8d9ed; --news-text: #315782; display: flex; flex-direction: column; flex: 0 0 calc((100% - 32px) / 3); min-width: 0; min-height: 0; gap: 12px; padding: 18px; border-top: 2px solid var(--news-border); scroll-snap-align: start; }
.promotion-landing .news-compact .news-card[data-news-category="news"] { --news-tint: #edf5f4; --news-border: #bcd8d2; --news-text: #3e6961; }
.promotion-landing .news-compact .news-card[hidden] { display: none; }
.promotion-landing .news-compact .news-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.promotion-landing .news-compact .news-date { flex-shrink: 0; }
.promotion-landing .news-compact .news-date-day { font-size: 24px; }
.promotion-landing .news-compact .news-date-details { font-size: 10px; }
.promotion-landing .news-compact .news-category { color: var(--news-text); background: var(--news-tint); padding: 3px 7px; font-size: 10px; line-height: 1.4; white-space: nowrap; }
.promotion-landing .news-compact .news-content h3 { font-size: 17px; line-height: 1.35; }
.promotion-landing .news-compact .news-content p { margin-top: 7px; font-size: 13px; line-height: 1.55; }
.promotion-landing .news-compact .news-source { display: inline-flex; align-self: flex-start; align-items: center; gap: 6px; margin-top: auto; color: var(--blue); font-size: 11px; line-height: 1.4; font-weight: 600; }
.promotion-landing .news-compact .news-source:hover { text-decoration: underline; text-underline-offset: 3px; }
.promotion-landing .news-compact .news-rail-controls { display: flex; gap: 4px; }
.promotion-landing .news-compact .news-rail-controls[hidden] { display: none; }
.promotion-landing .news-compact .news-rail-controls button { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 3px; background: #fff; color: var(--navy); cursor: pointer; }
.promotion-landing .news-compact .news-rail-controls button:disabled { opacity: .35; cursor: default; }
.promotion-landing .news-compact .news-rail-controls svg { width: 16px; height: 16px; }
.promotion-landing .news-compact .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@media (max-width: 1100px) {
  .promotion-landing .news-compact .news-card,
  .promotion-landing .news-compact .news-card:only-child { flex-basis: calc((100% - 32px) / 3); padding: 16px; }
}
@media (max-width: 960px) {
  .promotion-landing .news-compact .news-card,
  .promotion-landing .news-compact .news-card:only-child { flex-basis: calc((100% - 32px) / 2); }
}
@media (max-width: 760px) {
  .promotion-landing .news-compact { padding-block: 28px; }
  .promotion-landing .news-compact .news-heading h2 { font-size: 26px; }
  .promotion-landing .news-compact .news-heading { align-items: flex-start; gap: 8px; margin-bottom: 14px; }
  .promotion-landing .news-compact .news-tools { width: 100%; justify-content: space-between; gap: 8px; }
  .promotion-landing .news-compact .news-filters { gap: 6px; }
  .promotion-landing .news-compact .news-filters button { padding: 7px 11px; font-size: 12px; min-height: 36px; }
  .promotion-landing .news-compact .news-card,
  .promotion-landing .news-compact .news-card:only-child { flex-basis: calc(100% - 16px); padding: 18px; }
  .promotion-landing .news-compact .news-content h3 { font-size: 17px; }
  .promotion-landing .news-compact .news-content p { font-size: 13px; line-height: 1.55; }
  .promotion-landing .news-compact .news-rail { gap: 12px; }
}
@media (max-width: 360px) {
  .promotion-landing .news-compact .news-tools { gap: 4px; }
  .promotion-landing .news-compact .news-filters { gap: 4px; }
  .promotion-landing .news-compact .news-filters button { padding-inline: 8px; }
  .promotion-landing .news-compact .news-rail-controls button { width: 30px; height: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .promotion-landing .news-compact .news-rail { scroll-behavior: auto; }
}