/* Alius shared responsive layer. Page-specific styles remain in each .dc.html. */
:root {
  --alius-firefly: #0D102E;
  --alius-bondi: #04acb4;
  --alius-paper: #F7F6F2;
  --alius-line: #d8d6cd;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: clip; }
body.mobile-menu-open { overflow: hidden; }
img, svg, video, canvas, iframe { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--alius-bondi);
  outline-offset: 3px;
}

section, main, article, header, footer, .hero-grid, .stage-wrap, .stage,
.grid2, .grid3, .split, .split2, .split3, .form-grid, .art-grid,
.ob-grid, .chain, .chain-row, .link-row, .regua-desc, .principio,
.pairs, .shift { min-width: 0; max-width: 100%; }

section[style*="width:"], #ecossistema { width: auto !important; }
.home-ecosystem { height: auto !important; }
[style*="grid-template-columns"] > *, [class*="grid"] > *, [class*="split"] > * {
  min-width: 0;
}
p, li, h1, h2, h3, h4, a, button { overflow-wrap: anywhere; }

/* Shared header contract */
.site-header { isolation: isolate; }
.site-header > .site-nav,
.site-header > nav[aria-label="principal"] {
  display: flex;
  align-items: center;
  gap: 28px;
  min-width: 0;
}
.site-header [data-mobile-menu-panel] {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-header [data-mobile-menu-panel] .nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-header .site-cta { flex: 0 0 auto; }
.hero-title-fixed { display: inline; }
.hero-title-dynamic {
  display: block;
  min-height: 1.12em;
  white-space: nowrap;
  border-right: 2px solid var(--alius-bondi);
  padding-right: .06em;
  animation: hero-caret-blink .9s steps(1, end) infinite;
}
.hero-title-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@keyframes hero-caret-blink {
  0%, 45% { border-right-color: var(--alius-bondi); }
  46%, 100% { border-right-color: transparent; }
}
.snider-app-frame {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  background: #e8ebee;
  border: 1px solid #c9cdd2;
  border-radius: 10px;
  box-shadow: 0 18px 36px rgba(13, 16, 46, .14), 0 3px 8px rgba(13, 16, 46, .08);
}
.snider-app-titlebar {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  background: linear-gradient(#f1f3f5, #e4e7ea);
  border-bottom: 1px solid #c9cdd2;
}
.snider-app-dots { display: flex; align-items: center; gap: 6px; }
.snider-app-dots span { display: block; width: 8px; height: 8px; border-radius: 50%; background: #aab1b8; }
.snider-app-dots span:first-child { background: #d28a82; }
.snider-app-dots span:nth-child(2) { background: #d2b77d; }
.snider-app-dots span:last-child { background: #87b39b; }
.snider-app-title { font: 10px/1 'JetBrains Mono', monospace; letter-spacing: .16em; color: #626a73; text-transform: uppercase; }
.snider-app-frame .snider-demo { border: 0 !important; border-radius: 0 !important; }
.mobile-menu-toggle {
  display: none;
  border: 1px solid var(--alius-bondi);
  background: transparent;
  color: var(--alius-bondi);
  padding: 9px 11px;
  border-radius: 2px;
  font: 10px/1 'JetBrains Mono', monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}
.mobile-menu-details > summary { list-style: none; }
.mobile-menu-details > summary::-webkit-details-marker { display: none; }

/* Runtime can inject fixed dimensions from preview hints. Limit this to page
   layout containers rather than changing data panels or visual primitives. */
@media (min-width: 821px) {
  .desktop-nav-links { display: flex !important; align-items: center; gap: 28px; }
  .mobile-menu-details { display: none; }
  .mobile-menu-details > summary { display: none; }
  .mobile-menu-details > [data-mobile-menu-panel] { display: flex !important; }
}

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr !important; min-height: 0 !important; }
  .stage-wrap { border-left: 0 !important; border-top: 1px solid var(--alius-line) !important; }
}

@media (max-width: 820px) {
  .site-header,
  header.site-header { padding-left: max(16px, 4vw) !important; padding-right: max(16px, 4vw) !important; }
  .site-header > .site-nav,
  .site-header > nav[aria-label="principal"] { gap: 10px; }
  .desktop-nav-links { display: none !important; }
  .mobile-menu-details { display: block; position: static; }
  .site-header [data-mobile-menu-panel] {
    position: absolute;
    top: calc(100% + 8px);
    left: max(12px, 3vw);
    right: max(12px, 3vw);
    z-index: 60;
    display: none !important;
    padding: 10px;
    background: var(--alius-firefly);
    border: 1px solid rgba(4, 172, 180, .5);
    box-shadow: 0 14px 30px rgba(13, 16, 46, .22);
  }
  .mobile-menu-details[open] > [data-mobile-menu-panel] { display: block !important; }
  .mobile-menu-details[open] .mobile-menu-toggle { background: var(--alius-bondi); color: var(--alius-firefly); }
  .site-header [data-mobile-menu-panel] .nav-links {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  .site-header [data-mobile-menu-panel] .nav-links a {
    display: block;
    padding: 13px 12px;
    border-bottom: 1px solid rgba(236, 234, 245, .16);
  }
  .site-header [data-mobile-menu-panel] .nav-links a:last-child { border-bottom: 0; }
  .mobile-menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-header .site-cta { font-size: 10px !important; padding: 9px 11px !important; }
  .site-header .site-signature { display: none; }
  .snider-app-titlebar { min-height: 34px; padding: 0 12px; }
  .snider-app-title { font-size: 9px; }
  .snider-app-frame { border-radius: 8px; box-shadow: 0 12px 24px rgba(13, 16, 46, .12); }

  .grid3, .grid2, .split, .split2, .split3, .form-grid, .ob-grid,
  .regua-desc, .principio, .pairs, .shift, .chain-row, .link-row {
    grid-template-columns: 1fr !important;
  }
  .home-who .grid2 { row-gap: clamp(48px, 12vw, 64px) !important; }
  #dc-root .grid3, #dc-root .grid2, #dc-root .split, #dc-root .split2,
  #dc-root .split3, #dc-root .form-grid, #dc-root .ob-grid,
  #dc-root .regua-desc, #dc-root .principio, #dc-root .pairs,
  #dc-root .shift, #dc-root .chain-row, #dc-root .link-row {
    grid-template-columns: minmax(0, 1fr) !important;
  }
  .hero-grid > *, .stage-wrap, .stage { width: 100% !important; }
  .snider-demo { flex-direction: column !important; }
  .snider-demo-sidebar { width: 100% !important; flex: none !important; padding: 20px !important; }
  .snider-demo-sidebar > div { flex-direction: row !important; flex-wrap: wrap; gap: 6px !important; }
  .snider-demo-sidebar > div > div { flex: 1 1 140px; }
  .snider-demo-main, .snider-briefing { width: 100% !important; min-width: 0 !important; }
  .snider-demo-main { padding: 24px 20px 22px !important; }
  #ecossistema { height: auto !important; }
  .home-perceptive-panel, .home-perspective-note { width: auto !important; height: auto !important; }
  [style*="width:"] {
    max-width: 100% !important;
    min-width: 0 !important;
  }
  #dc-root * { max-width: 100% !important; min-width: 0 !important; }
  .stage-wrap { min-height: 0 !important; height: auto !important; padding: 24px 16px !important; }
  .stage { min-height: 0 !important; max-height: 340px; }
  #graph { width: 100% !important; height: auto !important; max-height: 320px; }
  [style*="grid-template-columns:repeat(3"],
  [style*="grid-template-columns: repeat(3"],
  [style*="grid-template-columns:repeat(5"],
  [style*="grid-template-columns: repeat(5"] { grid-template-columns: 1fr !important; }
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 640px) {
  h1 { font-size: clamp(32px, 8.4vw, 44px) !important; line-height: 1.14 !important; }
  h2 { font-size: clamp(25px, 6.4vw, 34px) !important; }
  section { padding-left: max(20px, 5vw) !important; padding-right: max(20px, 5vw) !important; }
  .hero-grid > :first-child { padding: 48px max(20px, 5vw) !important; }
  .hero-grid a { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid > :first-child > div { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-title-dynamic { border-right-color: transparent; animation: none; }
}