/* One project-wide composition layer. Header and footer markup comes only from
   scripts/site-shell.mjs; this file owns their geometry on every route. */
:root {
  --ita-ui-scale: 1.3;
  --ita-bg: #0a0f0a;
  --ita-panel: #0d140d;
  --ita-popover: #101810;
  --ita-text: #f4f8ef;
  --ita-muted: #9ca899;
  --ita-primary: #f0ff00;
  --ita-hairline: rgba(244, 248, 239, 0.12);
  --ita-max: 72rem;
  --ita-radius: 0.35rem;
  --ita-header-height: 4rem;
}

html { font-size: calc(100% * var(--ita-ui-scale)); }
html, body { background: var(--ita-bg); color: var(--ita-text); }
body { min-height: 100vh; min-height: 100dvh; }
.ita-site-chrome-host { display: contents; }

.site-header {
  position: sticky !important;
  inset: 0 0 auto !important;
  z-index: 1000 !important;
  width: 100%;
  height: auto !important;
  min-height: var(--ita-header-height) !important;
  border-bottom: 1px solid var(--ita-hairline) !important;
  background: rgba(10, 15, 10, 0.88) !important;
  backdrop-filter: blur(18px) saturate(140%);
}
.site-header > nav {
  width: min(var(--ita-max), calc(100% - 2rem)) !important;
  height: var(--ita-header-height) !important;
  min-height: var(--ita-header-height) !important;
  margin: 0 auto !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
}
.site-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: max-content;
  margin: 0 auto 0 0 !important;
  color: var(--ita-text);
  text-decoration: none;
}
.site-header .brand-mark { width: 1.75rem; height: 1.75rem; color: var(--ita-primary); box-shadow: none; }
.site-header .brand-copy { display: flex; flex-direction: column; line-height: 1; }
.site-header .brand-copy small { color: var(--ita-muted); font: 500 0.48rem/1.1 ui-monospace, monospace; letter-spacing: 0.3em; }
.site-header .brand-copy b { color: var(--ita-text); font-size: 0.88rem; letter-spacing: -0.02em; }
.site-header .brand em {
  margin-left: 0.15rem;
  border: 1px solid rgba(240,255,0,.35);
  border-radius: 0.15rem;
  padding: 0.22rem 0.32rem;
  color: var(--ita-primary);
  font: 500 0.43rem/1 ui-monospace, monospace;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.site-header .nav-links { display: flex !important; align-items: center; gap: 0.12rem !important; }
.nav-menu, .language-menu { position: relative; }
.nav-menu summary, .language-menu summary {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  list-style: none;
  min-height: 2.1rem;
  border: 1px solid transparent;
  border-radius: var(--ita-radius);
  padding: 0.45rem 0.65rem;
  color: rgba(244,248,239,.8);
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
}
.nav-menu summary::-webkit-details-marker, .language-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary span:last-child, .language-menu summary span:last-child { color: var(--ita-primary); font-size: 0.55rem; }
.nav-menu[open] summary, .nav-menu summary:hover, .language-menu[open] summary, .language-menu summary:hover {
  border-color: var(--ita-hairline);
  background: rgba(255,255,255,.03);
  color: var(--ita-text);
}
.nav-portal, .language-panel {
  position: absolute;
  z-index: 1100;
  top: calc(100% + 0.45rem);
  min-width: 11.5rem;
  overflow: hidden;
  border: 1px solid var(--ita-hairline);
  border-radius: var(--ita-radius);
  padding: 0.38rem;
  background: var(--ita-popover);
  box-shadow: 0 1.1rem 3rem rgba(0,0,0,.62), 0 0 1.5rem rgba(240,255,0,.07);
}
.nav-menu-center .nav-portal { left: 50%; transform: translateX(-50%); }
.nav-menu-end .nav-portal { right: 0; left: auto; }
.nav-portal-wide {
  display: grid;
  width: min(31rem, calc(100vw - 2rem));
  max-height: calc(100dvh - var(--ita-header-height) - 1rem);
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 0.28rem;
  overflow-x: hidden;
  overflow-y: auto;
}
.nav-portal-wide::before { grid-column: 1 / -1; }
.nav-portal-group { display: grid; align-content: start; border: 1px solid rgba(255,255,255,.06); border-radius: 0.2rem; padding: 0.35rem; background: rgba(255,255,255,.018); }
.nav-portal-group strong { padding: 0.3rem 0.5rem; color: var(--ita-primary); font: 600 0.5rem/1.2 ui-monospace,monospace; letter-spacing: .14em; text-transform: uppercase; }
.nav-portal a, .language-options a {
  display: block;
  border: 1px solid transparent;
  border-radius: 0.18rem;
  padding: 0.48rem 0.58rem;
  color: rgba(244,248,239,.82);
  font-size: 0.62rem;
  text-decoration: none;
}
.nav-portal a:hover, .language-options a:hover { border-color: var(--ita-hairline); background: rgba(240,255,0,.045); color: var(--ita-primary); }
.header-install {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  border-radius: var(--ita-radius);
  padding: 0.42rem 0.78rem;
  background: var(--ita-primary);
  color: #172000 !important;
  font-size: 0.64rem;
  font-weight: 750;
  text-decoration: none;
}
.language-menu { margin: 0 !important; }
.language-menu summary { border-color: var(--ita-hairline); }
.language-panel { right: 0; width: 8.5rem; }
.language-options { display: grid; gap: 0.15rem; }

body > main { padding-top: 0 !important; }

.site-footer {
  position: relative;
  flex: 0 0 auto;
  width: 100%;
  overflow: hidden;
  border-top: 1px solid var(--ita-hairline) !important;
  background:
    linear-gradient(rgba(244,248,239,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,248,239,.025) 1px,transparent 1px),
    var(--ita-bg) !important;
  background-size: 2.3rem 2.3rem !important;
}
.site-footer-inner {
  width: min(var(--ita-max), calc(100% - 2rem)) !important;
  min-height: 0 !important;
  margin: 0 auto !important;
  padding: 2.4rem 0 1.2rem !important;
  display: grid !important;
  grid-template-columns: minmax(14rem,1fr) minmax(15rem,1fr);
  gap: 1.5rem 3rem !important;
  color: var(--ita-muted);
  text-align: left !important;
}
.site-footer .footer-identity { display: block; min-width: 0; }
.site-footer .footer-brand { margin: 0; }
.site-footer .footer-brand .brand-mark { width: 1.75rem; height: 1.75rem; color: var(--ita-primary); }
.site-footer .footer-identity p { max-width: 23rem; margin: 0.8rem 0; color: var(--ita-muted); font: 500 0.56rem/1.65 ui-monospace,monospace; }
.footer-status { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.footer-status span { border: 1px solid var(--ita-hairline); border-radius: 0.15rem; padding: 0.25rem 0.42rem; font: 500 0.45rem/1 ui-monospace,monospace; letter-spacing: .08em; text-transform: uppercase; }
.footer-status span:first-child { border-color: rgba(240,255,0,.3); color: var(--ita-primary); }
.site-footer .footer-links { display: grid !important; grid-template-columns: repeat(2,minmax(0,1fr)); align-content: start; gap: 0.45rem 1.6rem !important; margin: 0 !important; }
.site-footer .footer-links a { color: var(--ita-muted); font-size: 0.62rem; text-decoration: none; }
.site-footer .footer-links a:hover { color: var(--ita-text); }
.footer-meta { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--ita-hairline); padding-top: 1rem; color: var(--ita-muted); font: 500 0.48rem/1.4 ui-monospace,monospace; letter-spacing: .12em; text-transform: uppercase; }
.footer-panda { display: none !important; }

/* Keep old generated knowledge pages in the same visual composition as the
   reference landing page without touching their functional data widgets. */
.seo-page main { color: var(--ita-text); }
.seo-page .content, .seo-page .tool-app, .seo-page .knowledge-page { border-color: var(--ita-hairline); }
.seo-page h1, .seo-page h2, .seo-page h3 { color: var(--ita-text); letter-spacing: -0.035em; }
.seo-page .eyebrow { color: var(--ita-primary); }

@media (max-width: 980px) {
  .site-header > nav { flex-wrap: wrap; height: auto !important; padding: 0.55rem 0 !important; }
  .site-header .nav-links { order: 3; width: 100%; overflow-x: auto; padding-bottom: 0.12rem; }
  .site-header .nav-links summary { white-space: nowrap; }
  .nav-menu-center .nav-portal { left: 0; transform: none; }
  .nav-portal-wide { position: fixed; top: 6.5rem; left: 1rem !important; right: 1rem; width: auto; transform: none !important; }
}
@media (max-width: 640px) {
  .site-header .brand em, .header-install { display: none; }
  .site-header > nav { width: calc(100% - 1rem) !important; }
  .nav-portal-wide { grid-template-columns: 1fr; max-height: calc(100vh - 8rem); overflow-y: auto; }
  .site-footer-inner { width: calc(100% - 1.5rem) !important; grid-template-columns: 1fr; padding-top: 1.8rem !important; }
  .site-footer .footer-links { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-meta { grid-column: 1; flex-direction: column; }
}