/* Shared public presentation for Home and About; the portal keeps its own layout.
   Layers: decorative background 0, content 1, sticky header 50, shared dialogs above. */
.public-landing {
  --landing-dot: rgba(163, 176, 181, .17);
  --landing-active: #f4511e;
  --landing-action: #c63b12;
  --landing-action-hover: #a92f0d;
  --landing-ease: cubic-bezier(.23, 1, .32, 1);
  isolation: isolate;
  padding: 0;
}
:root[data-theme=light] .public-landing { --landing-dot: rgba(70, 86, 91, .15); }
.public-landing .landing-background {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(circle, var(--landing-dot) 1px, transparent 1px);
  background-size: 32px 32px;
}
.public-landing .landing-background canvas { display: block; width: 100%; height: 100%; }
.public-landing main, .public-landing .site-footer { position: relative; z-index: 1; }
.public-landing :is(main, .site-header, .site-footer) { width: min(1220px, calc(100% - 64px)); }
.public-landing main { padding-bottom: 48px; }
.public-landing .site-header--landing {
  display: grid; grid-template-columns: auto 1fr auto; gap: 24px;
  min-height: 72px; padding: 10px 16px; border-radius: 20px;
}
/* Keep the existing translucent public-header material; high contrast stays opaque. */
:root[data-contrast=high] .public-landing .site-header--landing { background: var(--bg); box-shadow: none; }
.public-landing .site-header__brand { display: inline-flex; min-height: 44px; font-size: 1.4rem; }
.public-landing .landing-nav {
  justify-self: center; display: flex; align-items: center; gap: 4px;
  padding: 3px; border: 0; border-radius: 0;
  background: transparent;
}
.public-landing .landing-nav a {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 8px 18px; border-radius: 6px;
  text-decoration: none; color: var(--muted); font-size: .875rem; font-weight: 650; white-space: nowrap;
  transition: color .16s ease;
}
.public-landing .landing-nav a:is(:hover, :focus-visible, [aria-current=page]) { color: var(--text); }
.public-landing .landing-nav a[aria-current=page] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 7px; }
.public-landing .site-header__actions { align-items: center; }
.public-landing .header-icon { border-radius: 50%; background: transparent; }
.public-landing :is(.button, .header-login) {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: 48px; padding: 12px 22px; border-radius: 999px;
  font-size: .9rem; font-weight: 700; white-space: nowrap;
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  transition: transform .18s var(--landing-ease), background-color .18s ease, border-color .18s ease;
  box-shadow: none;
}
.public-landing :is(.button-primary, .header-login) {
  border: 1px solid var(--landing-action); background: var(--landing-action); color: #fff;
}
.public-landing :is(.button-primary, .header-login):hover { background: var(--landing-action-hover); border-color: var(--landing-action-hover); }
.public-landing .button-secondary { background: var(--bg); }
.public-landing :is(.button, .header-login)::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,.1) 50%, transparent 70%);
  transform: translateX(-130%);
}
.public-landing .hero {
  min-height: min(660px, calc(100svh - 96px));
  grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr); gap: 48px;
  padding: 64px 0 72px; margin: 0; border: 0; background: transparent;
}
.public-landing .hero-copy { max-width: none; }
.public-landing .hero h1 { font-size: clamp(2.5rem, 3.9vw, 3.6rem); line-height: 1.12; letter-spacing: -.04em; }
.public-landing .hero-summary { max-width: 53ch; margin-top: 24px; font-size: 1.06rem; line-height: 1.75; }
.public-landing .hero-actions { margin-top: 28px; gap: 12px; }
.public-landing .hero-visual { min-width: 0; min-height: 0; }
.public-landing .hero-visual::before { display: none; }
.public-landing .hero-visual__frame {
  width: min(100%, 340px); aspect-ratio: 4 / 5;
  border: 0; border-radius: 0; background: transparent; box-shadow: none;
  -webkit-backdrop-filter: none; backdrop-filter: none; overflow: visible;
}
.public-landing .hero-visual__frame img { width: 100%; max-width: 100%; max-height: 100%; }
.public-landing .purpose-section { padding-top: 64px; gap: 64px; }
.public-landing .purpose-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
.public-landing .purpose-grid article {
  min-height: 0; padding: 20px 0; display: grid; grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 16px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0;
  background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none;
}
.public-landing .purpose-grid article:first-child { padding-top: 0; }
.public-landing .purpose-grid article:last-child { border-bottom: 0; }
.public-landing .purpose-grid article > i { grid-row: span 2; margin: 0; border-radius: 12px; }
.public-landing .purpose-grid p { margin-top: 6px; font-size: .9rem; }
.public-landing .site-footer { padding-bottom: max(32px, env(safe-area-inset-bottom)); }
.public-landing .site-footer > * { min-width: 0; max-width: 100%; overflow-wrap: anywhere; white-space: normal; }
.public-landing main > section { scroll-margin-top: 32px; }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  :root:not([data-reduce-motion=true]) .public-landing :is(.button, .header-login):hover { transform: translateY(-2px); }
  :root:not([data-reduce-motion=true]) .public-landing :is(.button, .header-login):hover::after {
    transform: translateX(130%); transition: transform .28s var(--landing-ease);
  }
}
.public-landing :is(.button, .header-login):active { transform: none; }
@media (max-width: 899px) {
  .public-landing :is(main, .site-header, .site-footer) { width: calc(100% - 40px); }
  .public-landing .site-header--landing { grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; padding-inline: 12px; }
  .public-landing .site-header__brand { font-size: 1.2rem; gap: 6px; }
  .public-landing .landing-nav a { padding-inline: 12px; }
  .public-landing .header-login { padding-inline: 16px; }
  .public-landing .hero { grid-template-columns: minmax(0, 1.4fr) minmax(0, .7fr); gap: 24px; padding: 48px 0; min-height: 0; }
  .public-landing .hero h1 { font-size: clamp(2.2rem, 4.8vw, 3rem); }
  .public-landing .purpose-section { gap: 32px; }
}
@media (max-width: 700px) {
  .public-landing :is(main, .site-header, .site-footer) { width: calc(100% - 32px); }
  .public-landing .hero { grid-template-columns: minmax(0, 1fr); gap: 32px; padding: 40px 0; }
  .public-landing .hero h1 { font-size: clamp(2.1rem, 7.8vw, 3rem); }
  .public-landing .hero-summary { font-size: 1rem; }
  .public-landing .hero-visual__frame { width: 180px; aspect-ratio: 1; }
  .public-landing .purpose-section { padding-top: 40px; }
  .public-landing .hero-actions { gap: 10px; }
  .public-landing .button { padding-inline: 18px; }
}
.public-landing .public-dock { display: none; }
@media (max-width: 480px) {
  .public-landing .site-header__brand { gap: 4px; font-size: 1.2rem; }
  .public-landing .brand img { width: 26px; height: 34px; }
  .public-landing .landing-nav a { padding-inline: 10px; font-size: .875rem; }
  .public-landing .hero-actions { display: grid; grid-template-columns: minmax(0, 1fr); }
}
/* Enlarged text can use extra rows instead of cutting navigation or labels. */
:root:is([data-font-scale=large], [data-font-scale=xlarge], [data-font-scale=largest]) .public-landing .site-header--landing { display: flex; flex-wrap: wrap; }
:root:is([data-font-scale=large], [data-font-scale=xlarge], [data-font-scale=largest]) .public-landing .site-header__actions { flex: 1 1 100%; flex-wrap: wrap; max-width: 100%; justify-content: flex-start; }
:root:is([data-font-scale=large], [data-font-scale=xlarge], [data-font-scale=largest]) .public-landing .landing-nav { flex: 1 1 100%; min-width: 0; flex-wrap: wrap; justify-content: flex-start; }
:root:is([data-font-scale=large], [data-font-scale=xlarge], [data-font-scale=largest]) .public-landing :is(.button, .header-login) { white-space: normal; }
:root:is([data-font-scale=large], [data-font-scale=xlarge], [data-font-scale=largest]) .public-landing main :is(h1,h2,h3,p,li,a) { overflow-wrap: anywhere; }
/* Mobile uses the management panel's floating bottom-bar pattern.
   Layer 60 sits above content/header and below the shared accessibility dialogs. */
@media (max-width: 768px) {
  .public-landing .site-header--landing,
  :root[data-font-scale] .public-landing .site-header--landing {
    display: flex; flex-wrap: nowrap; justify-content: space-between;
    min-height: 62px; gap: 8px; padding: 8px 12px; top: 8px;
  }
  .public-landing .landing-nav,
  .public-landing .site-header__actions .header-login { display: none; }
  .public-landing .site-header__actions,
  :root[data-font-scale] .public-landing .site-header__actions {
    flex: 0 0 auto; flex-wrap: nowrap; gap: 8px;
  }
  .public-landing .header-icon { width: 44px; height: 44px; flex: 0 0 44px; }
  .public-landing .site-header__brand { min-width: 0; }
  .public-landing .public-dock {
    display: flex; justify-content: center; width: max-content;
    max-width: calc(100vw - 24px); min-height: 62px;
    bottom: max(12px, env(safe-area-inset-bottom));
    gap: clamp(2px, 1.4vw, 10px); padding: 6px 10px;
    border: 1px solid rgba(255,255,255,.34); border-radius: 999px;
    background: rgba(45,45,45,.38);
    box-shadow: 0 18px 42px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.28);
    -webkit-backdrop-filter: blur(36px) saturate(1.2);
    backdrop-filter: blur(36px) saturate(1.2);
  }
  .public-landing .public-dock a {
    position: relative; display: grid; place-items: center; flex: none;
    width: clamp(44px, 10vw, 56px); height: 48px; min-width: 44px;
    padding: 0; border-radius: 50%; color: var(--text); background: transparent;
    transform: none;
  }
  .public-landing .public-dock a span { display: none; }
  .public-landing .public-dock a i { font-size: 1.2rem; }
  .public-landing .public-dock a[aria-current=page] { color: var(--landing-active); }
  .public-landing .public-dock a[aria-current=page]::after {
    content: ""; position: absolute; bottom: 3px;
    width: 4px; height: 4px; border-radius: 50%; background: currentColor;
  }
  .public-landing .public-dock a:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
  :root[data-theme=light] .public-landing .public-dock {
    background: rgba(245,245,245,.94); border-color: rgba(32,31,29,.14);
    box-shadow: 0 18px 42px rgba(25,25,25,.14);
  }
  :root[data-contrast=high] .public-landing .public-dock {
    background: var(--bg); border-color: var(--text); box-shadow: none;
  }
  .public-landing .site-footer { padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
}
@media (max-width: 768px) and (prefers-reduced-transparency: reduce) {
  .public-landing .public-dock {
    background: var(--bg); -webkit-backdrop-filter: none; backdrop-filter: none;
  }
}
@media (prefers-reduced-motion: reduce), (hover: none), (pointer: coarse) {
  .public-landing :is(.button, .header-login, .header-icon):hover { transform: none; }
  .public-landing .landing-background canvas { display: none; }
}
:root[data-reduce-motion=true] .public-landing :is(.button, .header-login, .header-icon):hover { transform: none; }
:root[data-reduce-motion=true] .public-landing .landing-background canvas,
:root[data-contrast=high] .public-landing .landing-background { display: none; }