/* Corporate homepage and shared navigation. Colors inherit styles.css. */
:root {
  --home-max: 1200px;
  --home-pad: max(32px, calc((100vw - var(--home-max)) / 2));
  --scroll-thumb: #759795;
  --scroll-track: #e7efee;
}
html { scrollbar-width: thin; scrollbar-color: var(--scroll-thumb) var(--scroll-track); scroll-padding-top: 104px; }
*::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-color: var(--scroll-track); }
*::-webkit-scrollbar-track { background: var(--scroll-track); }
*::-webkit-scrollbar-thumb:active { background: var(--ink); }
a, summary { cursor: pointer; }
.site-header, .site-header.scrolled { height: 96px; background: var(--paper); box-shadow: none; backdrop-filter: none; border-bottom: 1px solid var(--line); }
.nav-shell { max-width: none; height: 96px; padding: 0 var(--home-pad); gap: 38px; }
.brand img { width: 168px; height: auto; }
.desktop-nav { gap: 32px; }
.desktop-nav > a { font-size: 14px; font-weight: 500; padding-block: 34px; }
.desktop-nav > a::after { height: 2px; bottom: 22px; border-radius: 0; background: var(--teal); }
.lang-toggle { color: var(--ink); padding: 12px; min-width: 44px; font-size: 12px; font-weight: 500; letter-spacing: .04em; border-left: 1px solid var(--line); }
.lang-toggle:hover { color: var(--teal-dark); }
body:not([data-page]) main { padding-top: 96px; }
body[data-page] main { padding-top: 96px; }
body[data-page] .page-title { font-weight: 600; font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: clamp(34px, 4vw, 52px); line-height: 1.25; letter-spacing: -.035em; margin: 0 0 24px; text-wrap: balance; }
.home-eyebrow { margin: 0 0 25px; color: var(--teal-dark); font-family: "Avenir Next", "PingFang SC", Arial, sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .1em; line-height: 1.5; }
.home-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 44px; color: var(--teal-dark); font-size: 14px; font-weight: 500; border-bottom: 1px solid var(--teal); transition: color .18s ease; }
.home-link:hover { color: var(--ink); border-color: var(--ink); }
.home-link:active, .home-contact-email:active { opacity: .7; }
.home-link > span:last-child { font-size: 21px; }
.home-section { padding: 90px var(--home-pad); }
.home-section h2 { margin: 0; font-size: clamp(28px, 2.65vw, 40px); font-weight: 500; line-height: 1.45; letter-spacing: -.025em; text-wrap: balance; }
.home-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.home-intro-copy p, .home-science-body > p { margin: 0 0 25px; max-width: 560px; color: var(--muted); font-size: 16px; line-height: 2; }
.home-intro .home-eyebrow { margin-bottom: 18px; }
.home-science { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; background: var(--soft); }
.home-news { padding-block: 80px; }
.home-news-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.home-news-heading .home-eyebrow { margin-bottom: 14px; }
.home-news-list { border-top: 1px solid var(--line); }
.home-news-list a { display: grid; grid-template-columns: 115px 1fr 28px; align-items: center; gap: 26px; min-height: 100px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.home-news-list time { font-family: "Avenir Next", Arial, sans-serif; color: var(--muted); font-size: 13px; }
.home-news-list h3 { margin: 0; font-weight: 500; font-size: 19px; line-height: 1.65; }
.home-news-list a > span { font-size: 22px; color: var(--teal); }
.home-news-list a:hover h3 { color: var(--teal-dark); text-decoration: underline; text-underline-offset: 5px; }
.home-contact { display: flex; align-items: center; justify-content: space-between; gap: 60px; background: var(--field); padding-block: 66px; }
.home-contact .home-eyebrow { margin-bottom: 14px; }
.home-contact p:last-child { font-size: 15px; color: var(--muted); margin-bottom: 0; line-height: 1.8; }
.home-contact-email { display: inline-flex; align-items: center; gap: 32px; min-height: 48px; color: var(--teal-dark); font-family: "Avenir Next", Arial, sans-serif; font-size: clamp(18px, 2vw, 26px); white-space: nowrap; border-bottom: 1px solid var(--teal); }
.home-contact-email:hover { color: var(--ink); border-color: var(--ink); }
.corporate-footer { padding: 48px var(--home-pad) 28px; background: var(--paper); color: var(--ink); border-top: 1px solid var(--line); }
.corporate-footer .footer-top { padding: 0 0 22px; }
.corporate-footer .footer-top img { width: 145px; height: auto; }
.corporate-footer .footer-top p, .corporate-footer .footer-bottom { color: var(--muted); }
.corporate-footer .footer-links { padding-block: 14px 26px; gap: 26px; }
.corporate-footer .footer-links a { font-size: 13px; color: var(--ink); padding-block: 6px; }
.corporate-footer .footer-links a:hover { color: var(--teal-dark); text-decoration: underline; text-underline-offset: 4px; }
.corporate-footer .footer-bottom { border-color: var(--line); font-size: 11px; line-height: 1.8; }
body[data-language="en"] .home-contact h2 { max-width: 460px; }
.research-subnav { display: flex; flex-wrap: wrap; gap: 24px; margin: 36px 0 0; }
.research-subnav a { color: var(--teal-dark); padding-block: 10px; border-bottom: 1px solid var(--line); }
.research-subnav a:hover { border-color: var(--teal); }
@media (max-width: 1000px) {
  :root { --home-pad: 28px; }
  .nav-shell { gap: 22px; }
  .desktop-nav { gap: 22px; }
  .home-intro, .home-science { gap: 40px; }
  .home-contact { gap: 32px; }
}
@media (max-width: 900px) {
  .site-header, .site-header.scrolled, .nav-shell { height: 76px; }
  .brand img { width: 145px; }
  .desktop-nav { display: none; }
  .mobile-menu-shell { display: block; }
  .menu-toggle { display: block; list-style: none; }
  .mobile-menu-shell[open] .mobile-nav { display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0; padding: 18px var(--home-pad) 28px; max-height: calc(100dvh - 76px); overflow-y: auto; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: none; }
  .mobile-nav a { padding: 13px 0; font-size: 16px; }
  .mobile-nav a[aria-current="page"] { color: var(--teal-dark); font-weight: 600; }
  .mobile-nav a:hover { color: var(--teal-dark); }
  body:not([data-page]) main, body[data-page] main { padding-top: 76px; }
  .home-contact { align-items: flex-start; flex-direction: column; gap: 22px; }
}
@media (max-width: 640px) {
  :root { --home-pad: 24px; }
  .nav-shell { gap: 10px; }
  .home-section { padding-block: 54px; }
  .home-intro, .home-science { grid-template-columns: 1fr; gap: 24px; }
  .home-section h2 { font-size: 29px; }
  .home-intro-copy p, .home-science-body > p { font-size: 15px; line-height: 1.95; }
  .home-news-heading { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 22px; }
  .home-news-list a { grid-template-columns: 1fr 24px; gap: 10px 14px; padding-block: 24px; }
  .home-news-list time { grid-column: 1 / -1; font-size: 12px; }
  .home-news-list h3 { font-size: 17px; }
  .home-contact-email { font-size: clamp(16px, 5.1vw, 24px); gap: 18px; }
  .corporate-footer { padding-top: 34px; }
  .corporate-footer .footer-top { align-items: flex-start; gap: 16px; }
  .corporate-footer .footer-links { gap: 8px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) {
  html { scrollbar-color: auto; }
  *::-webkit-scrollbar-thumb { background: ButtonText; border-color: Canvas; }
  *::-webkit-scrollbar-track { background: Canvas; }
}

/* Original Podigy brand poster: preserve the complete image at every width. */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.home-poster { padding: 24px var(--home-pad) 30px; background: var(--field); }
.home-poster > img { display: block; width: 100%; max-width: var(--home-max); height: auto; margin-inline: auto; }
.home-poster-actions { display: flex; justify-content: flex-end; gap: 32px; max-width: var(--home-max); margin: 16px auto 0; }
@media (max-width: 640px) {
  .home-poster { padding: 12px 0 24px; }
  .home-poster-actions { justify-content: center; padding-inline: 24px; gap: 24px; }
}