/* Localia (localia.me) — Calm Editorial Design System
   Implements modern-web-guidance: dark-mode, respect-os-text-scale,
   content-first-noise-reduction, search-hidden-content, responsive-table,
   forms, validate-input-after-interaction, icons, visual-effects, css-layout, accessibility */

/* 1. Root Color Tokens & System Color-Scheme Adaptation
   NOTE: Never set font-size on :root or html so <meta name="text-scale" content="scale"> works natively. */
:root {
  --in-oklab: ;
  --bg-canvas-light: #faf7f2;
  --bg-canvas-dark: #141312;
  --bg-surface-light: #ffffff;
  --bg-surface-dark: #1d1b19;
  --bg-subtle-light: #f2ece2;
  --bg-subtle-dark: #262320;
  --text-primary-light: #181615;
  --text-primary-dark: #f6f2eb;
  --text-muted-light: #5c554e;
  --text-muted-dark: #b9b0a6;
  --border-subtle-light: #e5ddd0;
  --border-subtle-dark: #332e2a;
  --brand-accent-light: #9a3400;
  --brand-accent-dark: #fb923c;
  --brand-on-accent-light: #ffffff;
  --brand-on-accent-dark: #181615;
  --brand-soft-light: #fff0e5;
  --brand-soft-dark: #342012;
  --ok-text-light: #166534;
  --ok-text-dark: #86efac;
  --ok-bg-light: #dcfce7;
  --ok-bg-dark: #132a1c;

  --bg-canvas: var(--bg-canvas-light);
  --bg-surface: var(--bg-surface-light);
  --bg-subtle: var(--bg-subtle-light);
  --text-primary: var(--text-primary-light);
  --text-muted: var(--text-muted-light);
  --border-subtle: var(--border-subtle-light);
  --brand-accent: var(--brand-accent-light);
  --brand-on-accent: var(--brand-on-accent-light);
  --brand-soft: var(--brand-soft-light);
  --ok-text: var(--ok-text-light);
  --ok-bg: var(--ok-bg-light);

  @media (prefers-color-scheme: dark) {
    --bg-canvas: var(--bg-canvas-dark);
    --bg-surface: var(--bg-surface-dark);
    --bg-subtle: var(--bg-subtle-dark);
    --text-primary: var(--text-primary-dark);
    --text-muted: var(--text-muted-dark);
    --border-subtle: var(--border-subtle-dark);
    --brand-accent: var(--brand-accent-dark);
    --brand-on-accent: var(--brand-on-accent-dark);
    --brand-soft: var(--brand-soft-dark);
    --ok-text: var(--ok-text-dark);
    --ok-bg: var(--ok-bg-dark);
  }

  @supports (color: light-dark(white, black)) {
    --bg-canvas: light-dark(var(--bg-canvas-light), var(--bg-canvas-dark));
    --bg-surface: light-dark(var(--bg-surface-light), var(--bg-surface-dark));
    --bg-subtle: light-dark(var(--bg-subtle-light), var(--bg-subtle-dark));
    --text-primary: light-dark(var(--text-primary-light), var(--text-primary-dark));
    --text-muted: light-dark(var(--text-muted-light), var(--text-muted-dark));
    --border-subtle: light-dark(var(--border-subtle-light), var(--border-subtle-dark));
    --brand-accent: light-dark(var(--brand-accent-light), var(--brand-accent-dark));
    --brand-on-accent: light-dark(var(--brand-on-accent-light), var(--brand-on-accent-dark));
    --brand-soft: light-dark(var(--brand-soft-light), var(--brand-soft-dark));
    --ok-text: light-dark(var(--ok-text-light), var(--ok-text-dark));
    --ok-bg: light-dark(var(--ok-bg-light), var(--ok-bg-dark));
  }

  color-scheme: light dark;
  accent-color: var(--brand-accent);
}

@supports (background: linear-gradient(in oklab, white, black)) {
  :root {
    --in-oklab: in oklab;
  }
}

.svg-sprite {
  display: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  container-type: scroll-state;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  text-align: start;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

p {
  max-inline-size: 65ch;
  text-wrap: pretty;
}

/* Language Toggle Visibility (shared non-prefixed utility pages: 404.html & /stats/) */
html[data-active-lang="en"] [data-lang]:not([data-lang="en"]),
html[data-active-lang="es"] [data-lang]:not([data-lang="es"]),
html[data-active-lang="ca"] [data-lang]:not([data-lang="ca"]),
html[data-active-lang="fr"] [data-lang]:not([data-lang="fr"]),
html[data-active-lang="de"] [data-lang]:not([data-lang="de"]),
html[data-active-lang="it"] [data-lang]:not([data-lang="it"]),
html[data-active-lang="pt"] [data-lang]:not([data-lang="pt"]),
html[data-active-lang="nl"] [data-lang]:not([data-lang="nl"]),
html[data-active-lang="pl"] [data-lang]:not([data-lang="pl"]) {
  display: none !important;
}

/* Anchor Target Clearance */
:target {
  scroll-margin-top: 4.75rem;
}

/* Skip Link for Keyboard Accessibility */
.skip-link {
  position: absolute;
  inset-block-start: -10rem;
  inset-inline-start: 1rem;
  background: var(--text-primary);
  color: var(--bg-canvas);
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  inset-block-start: 0.75rem;
}

/* Compact Single-Row Sticky Header (< 12% viewport height) */
.top-bar {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  background-color: var(--bg-canvas);
  background-color: color-mix(in oklab, var(--bg-canvas) 92%, transparent);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--border-subtle);
  transition: transform 0.22s ease;
}

@media (prefers-reduced-motion: reduce) {
  .top-bar {
    transition: none;
  }
}

@container scroll-state((scrolled: bottom) and (scrollable: top)) {
  .top-bar {
    transform: translateY(-100%);
  }
}

.top-bar:focus-within {
  transform: none;
}

.top-bar.is-hidden:not(:focus-within) {
  transform: translateY(-100%);
}

.top-bar-inner {
  position: relative;
  max-inline-size: 68rem;
  margin-inline: auto;
  padding: 0.45rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-inline-size: 48px;
  min-block-size: 48px;
  padding-inline: 0.2rem;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.015em;
}

.brand-mark {
  inline-size: 1.85rem;
  block-size: 1.85rem;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.35rem;
}

.nav-row > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 48px;
  min-block-size: 48px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.35rem 0.6rem;
  border-radius: 0.55rem;
}

.nav-row > a:hover,
.nav-row > a[aria-current="page"] {
  color: var(--text-primary);
  background-color: var(--bg-subtle);
}

/* Compact Single Language Selector (<details class="lang-picker">) */
.lang-picker {
  position: relative;
}

.lang-picker-btn {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-inline-size: 48px;
  min-block-size: 48px;
  padding: 0.3rem 0.7rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.lang-picker-btn::-webkit-details-marker {
  display: none;
}

.lang-picker-btn:hover {
  border-color: var(--brand-accent);
}

.lang-picker-caret {
  color: var(--text-muted);
  transition: transform 0.16s ease;
}

.lang-picker[open] .lang-picker-caret {
  transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
  .lang-picker-caret {
    transition: none;
  }
}

.lang-menu {
  position: absolute;
  inset-block-start: calc(100% + 0.35rem);
  inset-inline-end: 0;
  z-index: 40;
  min-inline-size: 12.25rem;
  max-inline-size: calc(100vw - 2.5rem);
  margin: 0;
  padding: 0.35rem;
  list-style: none;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  box-shadow: 0 12px 28px rgb(0 0 0 / 0.16);
}

.lang-menu li {
  margin: 0;
}

.lang-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  inline-size: 100%;
  min-block-size: 44px;
  padding: 0.4rem 0.75rem;
  border-radius: 0.55rem;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.lang-menu a:hover {
  background-color: var(--bg-subtle);
}

.lang-menu a[aria-current="true"] {
  background-color: var(--brand-soft);
  color: var(--brand-accent);
  font-weight: 700;
}

.lang-menu-code {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.lang-menu a[aria-current="true"] .lang-menu-code {
  color: var(--brand-accent);
}

@media (max-width: 560px) {
  .lang-picker {
    position: static;
  }

  .lang-menu {
    inset-block-start: calc(100% - 0.15rem);
    inset-inline-end: 1.25rem;
  }
}

/* Main Content Layout */
.page-shell {
  max-inline-size: 68rem;
  margin-inline: auto;
  padding: 2.5rem 1.25rem 4rem;
}

.prose-shell {
  max-inline-size: 52rem;
  margin-inline: auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* Hero Section */
.hero {
  padding-block: 1.25rem 2.75rem;
  border-block-end: 1px solid var(--border-subtle);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 1.1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  background-color: var(--brand-soft);
  color: var(--brand-accent);
}

.badge-ok {
  background-color: var(--ok-bg);
  color: var(--ok-text);
}

h1 {
  font-size: clamp(1.9rem, 1.35rem + 2.2vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
  max-inline-size: 22ch;
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.35rem, 1.15rem + 0.9vw, 1.95rem);
  line-height: 1.25;
  letter-spacing: -0.018em;
  text-wrap: balance;
  margin: 2.5rem 0 0.85rem;
}

h3 {
  font-size: 1.125rem;
  line-height: 1.35;
  text-wrap: balance;
  margin: 0 0 0.45rem;
}

.landing-shell {
  max-inline-size: 66rem;
  padding-block: 1.75rem 2.5rem;
}

.hero-compact {
  padding-block: 1.25rem 2.25rem;
}

/* Split Hero + Authentic Android Hardware Frame & Real App Screenshot */
.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 2rem 2.75rem;
}

@media (min-width: 54rem) {
  .hero-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.hero-copy {
  min-inline-size: 0;
}

.hero-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  padding: 0.5rem 0.25rem;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: -0.75rem;
  z-index: -1;
  border-radius: 2rem;
  background-image: radial-gradient(
    circle at 50% 50% var(--in-oklab),
    color-mix(in oklab, var(--brand-accent) 20%, transparent),
    transparent 68%
  );
  pointer-events: none;
}

.hero-phone {
  position: relative;
  inline-size: min(100%, 16.5rem);
  background: linear-gradient(155deg var(--in-oklab), #2d2926, #161413);
  padding: 0.52rem;
  border-radius: 2.35rem;
  border: 1.5px solid #4c453e;
  box-shadow:
    0 2px 6px rgb(0 0 0 / 0.14),
    0 16px 32px -8px rgb(0 0 0 / 0.28),
    0 34px 64px -14px rgb(0 0 0 / 0.38),
    inset 0 1px 0 rgb(255 255 255 / 0.2),
    inset 0 -1px 0 rgb(0 0 0 / 0.5);
}

/* Physical right-edge power & volume buttons for unmistakable phone silhouette */
.hero-phone::before,
.hero-phone::after {
  content: "";
  position: absolute;
  inset-inline-end: -3.5px;
  inline-size: 3px;
  border-radius: 0 3px 3px 0;
  background-color: #3f3933;
  pointer-events: none;
}

.hero-phone::before {
  inset-block-start: 6.4rem;
  block-size: 2.1rem;
}

.hero-phone::after {
  inset-block-start: 9.4rem;
  block-size: 3.9rem;
}

.hero-phone-screen {
  position: relative;
  aspect-ratio: 9 / 20;
  background-color: var(--bg-canvas);
  border-radius: 1.9rem;
  border: 1px solid rgb(128 128 128 / 0.22);
  overflow: clip;
}

.hero-phone-camera {
  position: absolute;
  inset-block-start: 0.42rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  inline-size: 0.52rem;
  block-size: 0.52rem;
  border-radius: 999px;
  background-color: #0e0e10;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.18);
  z-index: 2;
  pointer-events: none;
}

.hero-phone-screen picture {
  display: block;
}

.hero-phone-img {
  display: block;
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 9 / 20;
}

.section-clean {
  padding-block: 2rem 1rem;
  border-block-end: 0;
}

.btn-cta {
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
}

.lead {
  font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.25rem);
  color: var(--text-muted);
  max-inline-size: 46rem;
  margin: 0 0 1.5rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-block: 1.25rem 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 48px;
  min-block-size: 48px;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-canvas);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
}

.fine-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.4rem 0 0;
}

.cta-trust-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.55rem;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin: 0.35rem 0 0;
}

.cta-verify-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 48px;
  min-block-size: 48px;
  padding-inline: 0.55rem;
  border-radius: 0.5rem;
  font-weight: 650;
  color: var(--brand-accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.cta-verify-link:hover {
  background-color: var(--bg-subtle);
}

.verify-spec-list {
  list-style: none;
  padding-inline-start: 0 !important;
  margin: 0.65rem 0 0;
  display: grid;
  gap: 0.55rem;
}

.verify-spec-list li {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.verify-spec-list code {
  word-break: break-all;
}

/* Flexible Content-Driven Grids (min-height instead of height so OS text scaling expands cleanly) */
.section-block {
  padding-block: 2.5rem;
  border-block-end: 1px solid var(--border-subtle);
}

.section-intro {
  color: var(--text-muted);
  max-inline-size: 46rem;
  margin: 0 0 1.5rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17.5rem), 1fr));
  gap: 1rem;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  grid-auto-rows: auto;
  gap: 1.15rem;
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.35rem;
  min-block-size: 8rem;
  min-inline-size: 0;
  overflow: clip;
}

.card-illustrated {
  display: grid;
  grid-row: span 3;
  /* Same-cascade fallback for browsers before subgrid */
  grid-template-rows: auto auto 1fr;
  grid-template-rows: subgrid;
  row-gap: 0.55rem;
  align-content: start;
  min-inline-size: 0;
}

.card-illustrated h2,
.card-illustrated p {
  margin: 0;
}

.card-visual {
  background-color: var(--bg-subtle);
  background-image: linear-gradient(145deg var(--in-oklab), var(--bg-subtle), var(--bg-canvas));
  border: 1px solid var(--border-subtle);
  border-radius: 0.78rem;
  padding: 0.55rem 0.65rem;
  margin-block-end: 0.25rem;
  min-inline-size: 0;
  overflow: clip;
}

.card-visual svg {
  display: block;
  inline-size: 100%;
  max-inline-size: 100%;
  block-size: auto;
  aspect-ratio: 380 / 132;
}

.card-highlight {
  border-color: var(--brand-accent);
  background-image: linear-gradient(160deg var(--in-oklab), color-mix(in oklab, var(--brand-soft) 38%, var(--bg-surface)), var(--bg-surface) 58%);
}

.card h2 {
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 0.45rem;
}

.feature-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0.65rem 1.5rem;
  margin-block-start: 0.85rem;
}

.tier-list {
  list-style: none;
  padding-inline-start: 0 !important;
  margin: 0.35rem 0 0;
}

.tier-list li {
  position: relative;
  padding-inline-start: 1.35rem;
  margin-block: 0.42rem;
  font-size: 0.94rem;
  color: var(--text-muted);
}

.tier-list li::before {
  content: "✓";
  position: absolute;
  inset-inline-start: 0;
  color: var(--brand-accent);
  font-weight: 700;
}

.tier-list-icons {
  display: flex;
  flex-direction: column;
  gap: 0.68rem;
  margin: 0;
}

.tier-list-icons li {
  display: flex;
  align-items: flex-start;
  gap: 0.72rem;
  padding-inline-start: 0;
  margin-block: 0;
}

.tier-list-icons li::before {
  content: none;
}

.tier-icon {
  inline-size: 2rem;
  block-size: 2rem;
  border-radius: 0.58rem;
  background-color: var(--brand-soft);
  color: var(--brand-accent);
  border: 1px solid var(--border-subtle);
  border-color: color-mix(in oklab, var(--brand-accent) 26%, var(--border-subtle));
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-block-start: 0.05rem;
}

.tier-icon svg,
.btn svg,
.badge svg,
.space-icon svg,
.airlock-zone svg,
.airlock-wall svg {
  display: block;
  flex-shrink: 0;
}

/* Space Header Badges & 2-Zone Airlock Spatial Boundary Diagram (/details/) */
.space-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-block-end: 0.65rem;
}

.space-head .kicker {
  margin-block-end: 0;
}

.space-icon {
  inline-size: 2.25rem;
  block-size: 2.25rem;
  border-radius: 0.65rem;
  background-color: var(--brand-soft);
  color: var(--brand-accent);
  border: 1px solid var(--border-subtle);
  border-color: color-mix(in oklab, var(--brand-accent) 26%, var(--border-subtle));
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.airlock-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin: 0 0 1.45rem;
  align-items: stretch;
}

@media (min-width: 54rem) {
  .airlock-diagram {
    grid-template-columns: minmax(0, 1.55fr) auto minmax(0, 0.85fr);
    align-items: stretch;
    gap: 1rem;
  }
}

.airlock-zone {
  border-radius: 1.05rem;
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
  min-inline-size: 0;
}

.airlock-zone-phone {
  background-color: var(--bg-surface);
  background-image: linear-gradient(
    145deg var(--in-oklab),
    color-mix(in oklab, var(--ok-bg) 45%, var(--bg-surface)),
    var(--bg-surface) 65%
  );
  border: 1.5px solid var(--ok-text);
}

.airlock-zone-header {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.42rem;
  padding: 0.24rem 0.68rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  background-color: var(--ok-bg);
  color: var(--ok-text);
}

.airlock-phone-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.airlock-pill-card {
  flex: 1 1 11rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.78rem;
  padding: 0.68rem 0.85rem;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--text-primary);
}

.airlock-pill-card svg {
  color: var(--ok-text);
}

.airlock-arrow {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ok-text);
}

.airlock-caption {
  margin: 0 !important;
  font-size: 0.86rem !important;
  color: var(--text-muted);
}

.airlock-wall {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 0.25rem;
}

.airlock-wall::before {
  content: "";
  position: absolute;
  inset-inline: 10%;
  block-size: 2px;
  background-color: var(--brand-accent);
  opacity: 0.45;
}

@media (min-width: 54rem) {
  .airlock-wall {
    padding-block: 0;
    padding-inline: 0.15rem;
  }

  .airlock-wall::before {
    inset-inline: auto;
    inset-block: 8%;
    inline-size: 2px;
    block-size: auto;
  }
}

.airlock-wall-badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.38rem 0.78rem;
  border-radius: 999px;
  background-color: var(--brand-soft);
  color: var(--brand-accent);
  border: 1.5px solid var(--brand-accent);
  font-size: 0.8rem;
  font-weight: 750;
  white-space: nowrap;
}

.airlock-zone-cloud {
  background-color: var(--bg-subtle);
  border: 1.5px dashed var(--border-subtle);
  justify-content: center;
}

.airlock-cloud-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
}

.airlock-cloud-zero {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.card p {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card ul,
.prose-shell ul,
.prose-shell ol {
  padding-inline-start: 1.25rem;
  color: var(--text-muted);
}

.card li,
.prose-shell li {
  margin-block: 0.35rem;
}

.prose-shell li strong,
.card li strong {
  color: var(--text-primary);
}

.kicker {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--brand-accent);
  margin-block-end: 0.4rem;
}

/* Callout Box for Legal Clarity */
.callout {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-inline-start: 4px solid var(--brand-accent);
  border-radius: 0.85rem;
  padding: 1.1rem 1.25rem;
  margin-block: 1.25rem;
}

.callout p {
  margin: 0.35rem 0;
}

/* Responsive Data Tables (container query + sticky headers + stacked mobile cards) */
.table-wrapper {
  overflow-x: auto;
  max-inline-size: 100%;
  container-type: inline-size;
  border: 1px solid var(--border-subtle);
  border-radius: 0.9rem;
  background-color: var(--bg-surface);
  margin-block: 1.25rem;
}

.table-wrapper:focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 2px;
}

table {
  inline-size: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.925rem;
}

caption {
  text-align: start;
  font-weight: 600;
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  border-block-end: 1px solid var(--border-subtle);
  background-color: var(--bg-subtle);
}

th,
td {
  text-align: start;
  padding: 0.75rem 1rem;
  vertical-align: top;
}

thead tr :is(th, td),
tbody tr:not(:last-child) :is(th, td) {
  border-block-end: 1px solid var(--border-subtle);
}

thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
}

thead th {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  font-weight: 600;
}

tbody th {
  position: sticky;
  inset-inline-start: 0;
  z-index: 1;
  background-color: var(--bg-surface);
  font-weight: 600;
  color: var(--text-primary);
}

@container (width < 38rem) {
  .table-wrapper {
    border: 0;
    background: transparent;
  }

  caption {
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    margin-block-end: 0.75rem;
  }

  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
  }

  thead {
    display: none;
  }

  tbody tr {
    margin-block-end: 0.85rem;
    border: 1px solid var(--border-subtle);
    border-radius: 0.85rem;
    background-color: var(--bg-surface);
    overflow: clip;
  }

  tbody th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background-color: var(--bg-subtle);
    border-block-end: 1px solid var(--border-subtle);
  }

  tbody td {
    padding: 0.6rem 1rem;
  }

  tbody td:nth-child(2)::before {
    content: var(--label-2) ": ";
    font-weight: 600;
    color: var(--text-primary);
  }

  tbody td:nth-child(3)::before {
    content: var(--label-3) ": ";
    font-weight: 600;
    color: var(--text-primary);
  }

  tbody td:nth-child(4)::before {
    content: var(--label-4) ": ";
    font-weight: 600;
    color: var(--text-primary);
  }

  tbody td:nth-child(5)::before {
    content: var(--label-5) ": ";
    font-weight: 600;
    color: var(--text-primary);
  }
}

/* Searchable Exclusive Disclosures (<details name="...">) */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

details.disclosure {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  overflow: clip;
}

details.disclosure summary {
  min-block-size: 48px;
  padding: 1rem 1.15rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

details.disclosure summary::-webkit-details-marker {
  display: none;
}

details.disclosure summary::after {
  content: "+";
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--brand-accent);
  flex-shrink: 0;
}

details.disclosure[open] summary::after {
  content: "−";
}

details.disclosure .disclosure-body {
  padding: 0 1.15rem 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

details.disclosure .disclosure-body p {
  margin: 0.45rem 0;
}

/* Inline Code */
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875em;
  background-color: var(--bg-subtle);
  padding: 0.12rem 0.38rem;
  border-radius: 0.32rem;
}

/* Footer */
.site-footer {
  max-inline-size: 68rem;
  margin-inline: auto;
  padding: 2rem 1.25rem 3rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 48px;
  min-block-size: 48px;
  padding-inline: 0.45rem;
  border-radius: 0.5rem;
  color: var(--brand-accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.prose-shell a:not(.btn),
.card a:not(.btn),
.callout a:not(.btn) {
  color: var(--brand-accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

/* Self-Service Feedback Receipt Deletion Form (/delete-data/)
   Follows modern-web-guidance: forms + validate-input-after-interaction */
.receipt-form {
  margin-block: 1.35rem;
}

.receipt-fieldset {
  margin: 0;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  background-color: var(--bg-surface);
  min-inline-size: 0;
}

.receipt-legend {
  padding-inline: 0.45rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.form-field {
  margin-block-end: 1.25rem;
}

.field-label {
  display: inline-block;
  font-weight: 650;
  font-size: 0.95rem;
  color: var(--text-primary);
  padding-block: 0.5rem;
  margin-block: -0.5rem 0.2rem;
}

.required-badge {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Format hint placed ABOVE the input so autocomplete/mobile keyboards never cover it */
.field-hint {
  display: block;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-block-end: 0.45rem;
}

.field-input {
  display: block;
  inline-size: 100%;
  max-inline-size: 34rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1rem;
  line-height: 1.4;
  padding: 0.72rem 0.85rem;
  min-block-size: 48px;
  border-radius: 0.68rem;
  border: 1.5px solid var(--border-subtle);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
}

@media (pointer: coarse) {
  .field-input {
    min-block-size: 52px;
  }
}

.field-input:focus-visible,
.btn:focus-visible,
.brand-link:focus-visible,
.nav-row > a:focus-visible,
.lang-picker-btn:focus-visible,
.lang-menu a:focus-visible {
  outline: 3px solid var(--brand-accent);
  outline-offset: 2px;
}

.field-error {
  display: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: light-dark(#b91c1c, #fca5a5);
  margin-block-start: 0.4rem;
}

/* Deferred post-interaction validation (:user-invalid + WeakMap fallback) */
.field-input:user-invalid,
.field-input.user-invalid-fallback {
  border-color: light-dark(#dc2626, #f87171);
  background-color: light-dark(#fef2f2, #2c1517);
}

.field-input:user-invalid + .field-error,
.field-input.user-invalid-fallback + .field-error {
  display: block;
}

.field-input:user-valid,
.field-input.user-valid-fallback {
  border-color: var(--ok-text);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.btn[disabled] {
  opacity: 0.62;
  cursor: wait;
}

.btn.btn-unavailable[disabled] {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  border-color: var(--border-subtle);
  opacity: 1;
  cursor: not-allowed;
}

.form-status {
  margin-block-start: 0.9rem;
  padding: 0.75rem 0.95rem;
  border-radius: 0.72rem;
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.form-status[data-tone="ok"] {
  background-color: var(--ok-bg);
  color: var(--ok-text);
  border-color: var(--ok-text);
}

.form-status[data-tone="error"] {
  background-color: light-dark(#fef2f2, #2c1517);
  color: light-dark(#b91c1c, #fca5a5);
  border-color: light-dark(#dc2626, #f87171);
}

/* Visually hidden helper for screen-reader notices */
.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Password / Bearer Token unmask row & Stats KPI Grid (/stats/) */
.password-field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.password-field-row .field-input {
  flex: 1 1 18rem;
}

.btn-toggle-vis {
  min-block-size: 48px;
  padding-inline: 1rem;
}

@media (pointer: coarse) {
  .btn-toggle-vis {
    min-block-size: 52px;
  }
}

.stats-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13.5rem), 1fr));
  gap: 0.9rem;
  margin-block: 1.35rem;
}

.kpi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0.9rem;
  padding: 1rem 1.15rem;
}

.kpi-label {
  display: block;
  font-size: 0.84rem;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-value {
  display: block;
  font-size: 1.65rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-block-start: 0.25rem;
}

/* Direct Web Feedback Form (/support/) — modern-web-guidance:
   forms + required-field-feedback + form-fields-automatically-fit-contents */
.field-prose {
  font-family: inherit;
  max-inline-size: 100%;
}

textarea.field-textarea {
  font-family: inherit;
  inline-size: 100%;
  max-inline-size: 100%;
  block-size: auto;
  field-sizing: content;
  min-block-size: 4.5lh;
  max-block-size: 10lh;
  resize: vertical;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-block-start: 0.35rem;
}

.radio-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.52rem 0.85rem;
  min-block-size: 48px;
  border-radius: 0.72rem;
  border: 1.5px solid var(--border-subtle);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 550;
  cursor: pointer;
}

@media (pointer: coarse) {
  .radio-chip {
    min-block-size: 52px;
  }
}

.radio-chip input[type="radio"] {
  accent-color: var(--brand-accent);
  inline-size: 1.05rem;
  block-size: 1.05rem;
  margin: 0;
}

.radio-chip:has(input[type="radio"]:checked) {
  border-color: var(--brand-accent);
  background-color: color-mix(in oklab, var(--brand-soft) 45%, var(--bg-canvas));
}

.radio-chip:has(input[type="radio"]:focus-visible) {
  outline: 3px solid var(--brand-accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}