/* ---------- Fonts ---------- */
@font-face {
  font-family: "OpenDyslexic";
  src: url("../fonts/OpenDyslexic-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "OpenDyslexic";
  src: url("../fonts/OpenDyslexic-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  --bg: #000000;
  --bg-elev: #171b24;
  --bg-soft: #1d2230;
  --bg-hero: radial-gradient(circle at top left, rgba(13, 148, 136, 0.18), transparent 30%),
             linear-gradient(180deg, #0a0c11 0%, #000000 100%);
  --text: #f3f5f8;
  --muted: #bec6d3;
  --line: #2b3240;
  --accent: #0d9488;
  --accent-strong: #14b8a6;
  --accent-soft: rgba(13, 148, 136, 0.14);
  --hover-border: #58b368;
  --success: #58b368;
  --warning: #e3b341;
  --info: #637eea;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  --shadow-hover: 0 26px 48px rgba(0, 0, 0, 0.32);
  --max: 1160px;
  --font-body: "Segoe UI", "Inter", Arial, sans-serif;
  --font-heading: "Segoe UI", "Inter", Arial, sans-serif;
  --letter: 0;
  --word: 0;
  --line-height: 1.65;
  --body-size: 1rem;
  --content-width: 760px;
  --transition: 180ms ease;
}

/* ---------- Light mode ---------- */
/* Theme is applied to <html> by an inline head script at parse time
   (no flash) AND to <body> by site.js at click time. CSS recognises
   both parents so either path works — fresh visitors get the theme
   before paint, cache issues don't matter, click-time updates still
   land via the body-class path. */
html.light-mode,
body.light-mode {
  --bg: #f6f4ef;
  --bg-elev: #ffffff;
  --bg-soft: #ecebe4;
  --bg-hero: radial-gradient(circle at top left, rgba(14, 116, 144, 0.10), transparent 30%),
             linear-gradient(180deg, #fbf9f3 0%, #f6f4ef 100%);
  --text: #1c2029;
  --muted: #5a6573;
  --line: #d6d2c6;
  --accent: #0e7490;
  --accent-strong: #155e75;
  --accent-soft: rgba(14, 116, 144, 0.10);
  --hover-border: #2d8f47;
  --shadow: 0 12px 26px rgba(30, 25, 20, 0.10);
  --shadow-hover: 0 18px 34px rgba(30, 25, 20, 0.14);
}

/* ---------- Dyslexia-friendly theme (warm palette + OpenDyslexic) ---------- */
html.dyslexia-mode,
body.dyslexia-mode {
  --bg: #fdf6e3;
  --bg-elev: #f5e9c8;
  --bg-soft: #e8d6ac;
  --bg-hero: radial-gradient(circle at top left, rgba(14, 116, 144, 0.10), transparent 30%),
             linear-gradient(180deg, #fdf6e3 0%, #f5ebc7 100%);
  --text: #3b3530;
  --muted: #5a4a3a;
  --line: #bfa97a;
  --accent: #0e7490;
  --accent-strong: #155e75;
  --accent-soft: rgba(14, 116, 144, 0.14);
  --hover-border: #2d8f47;
  --shadow: 0 10px 22px rgba(80, 60, 30, 0.10);
  --shadow-hover: 0 16px 30px rgba(80, 60, 30, 0.16);
  --font-body: "OpenDyslexic", Verdana, Arial, sans-serif;
  --font-heading: "OpenDyslexic", Verdana, Arial, sans-serif;
  --letter: 0.015em;
  --word: 0.06em;
  --line-height: 1.85;
  --body-size: 1.02rem;
}

/* ---------- Reading mode (dyslexia-friendly spacing, preserves colour mode) ---------- */
body.reading-mode {
  --font-body: Verdana, Arial, sans-serif;
  --font-heading: Verdana, Arial, sans-serif;
  --letter: 0.02em;
  --word: 0.08em;
  --line-height: 1.9;
  --body-size: 1.06rem;
  --content-width: 820px;
}

body.reading-mode p,
body.reading-mode li,
body.reading-mode dd,
body.reading-mode .card p,
body.reading-mode .feature p,
body.reading-mode .status-panel p {
  max-width: 72ch;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: var(--line-height);
  letter-spacing: var(--letter);
  word-spacing: var(--word);
  transition: background-color var(--transition), color var(--transition);
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }
a:hover, a:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--accent-strong);
  text-underline-offset: 0.18em;
}

:focus-visible {
  outline: 3px solid rgba(242, 77, 77, 0.72);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.content-narrow { max-width: var(--content-width); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -3rem;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  z-index: 999;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

/* ---------- Header + nav (with grouped dropdowns on desktop) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}

/* Header is always stacked vertically: banner on top, controls underneath.
   Keeps the layout finger-friendly at every viewport width and avoids the
   right-heavy desktop look. */
.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding-block: 0.6rem;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  font-weight: 700;
  min-width: 0;
  width: 100%;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(229,57,53,1) 0%, rgba(109,21,21,1) 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.03em;
  overflow: hidden;
}
.brand-logo { width: 100%; height: 100%; object-fit: contain; border-radius: 12px; }

.brand-text { display: flex; flex-direction: column; gap: 0.1rem; }
.brand-title { font-family: var(--font-heading); font-size: 1.15rem; }
.brand-sub { font-size: 0.88rem; color: var(--muted); font-weight: 500; }

/* Banner-style brand mark (replaces brand-mark + brand-text combo when used).
   Sized small enough to leave room for the controls underneath at every width. */
.brand-banner {
  display: block;
  height: auto;
  max-height: 84px;
  width: auto;
  max-width: min(520px, 88vw);
  object-fit: contain;
}
/* Per-theme banner swap — only one img variant is shown at a time */
.brand-banner-light,
.brand-banner-dyslexia { display: none; }
html.light-mode .brand-banner-dark,
body.light-mode .brand-banner-dark,
html.light-mode .brand-banner-dyslexia,
body.light-mode .brand-banner-dyslexia { display: none; }
html.light-mode .brand-banner-light,
body.light-mode .brand-banner-light { display: block; }
html.dyslexia-mode .brand-banner-dark,
body.dyslexia-mode .brand-banner-dark,
html.dyslexia-mode .brand-banner-light,
body.dyslexia-mode .brand-banner-light { display: none; }
html.dyslexia-mode .brand-banner-dyslexia,
body.dyslexia-mode .brand-banner-dyslexia { display: block; }
@media (max-width: 480px) {
  .brand-banner { max-height: 70px; }
}

/* Square brand variant — kept in markup but unused for now. */
.brand-square { display: none; }

/* Header always stacks vertically — see .header-inner above. No mobile-specific
   override needed; the layout is universal. */

/* Toolbar role pill — appears whenever a role is set, click to change/exit */
.role-pill-toolbar {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-elev));
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}
.role-pill-toolbar:hover {
  border-color: var(--hover-border);
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-elev));
}
.role-pill-toolbar:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}
.role-pill-toolbar-icon {
  font-size: 0.95rem;
  line-height: 1;
  opacity: 0.75;
}
@media (max-width: 560px) {
  .role-pill-toolbar { padding: 0.32rem 0.6rem; font-size: 0.76rem; }
}

/* Role side-tab — small fixed-position pill on the right edge of every
   page, lets users jump back to the role chooser non-destructively. JS
   appends it (assets/js/site.js -> ensureRoleSideTab). Hidden when the
   chooser is currently on screen, and on print. */
.role-side-tab {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 60;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 0.55rem;
  border: 1px solid var(--line);
  border-right: none;
  border-radius: 12px 0 0 12px;
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-elev));
  color: var(--text);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: -2px 2px 8px rgba(0, 0, 0, 0.15);
  transition:
    color var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}
.role-side-tab:hover {
  background: color-mix(in srgb, var(--accent) 22%, var(--bg-elev));
  border-color: var(--hover-border);
  transform: translateY(-50%) translateX(-2px);
  box-shadow: -4px 2px 12px rgba(0, 0, 0, 0.22);
}
.role-side-tab:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}
.role-side-tab-icon {
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.85;
}
.role-side-tab-label {
  /* Vertical text reading bottom-to-top so the leading character is at
     the bottom (natural thumb-reach on phones). */
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.04em;
  line-height: 1;
}
/* Hide the side tab when the chooser is the visible content (it'd be
   redundant — and visually noisy alongside the role-pill grid). */
html.show-role-filter .role-side-tab { display: none; }

/* Tighten on narrow viewports so it doesn't hog phone real-estate. */
@media (max-width: 560px) {
  .role-side-tab { padding: 0.65rem 0.4rem; font-size: 0.72rem; gap: 0.35rem; }
  .role-side-tab-icon { font-size: 0.95rem; }
}

/* Don't print the side tab. */
@media print {
  .role-side-tab { display: none; }
}

/* nav-shell holds toolbar + nav side-by-side under the banner.
   Wraps to multiple rows on narrow viewports. */
.nav-shell {
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav-toggle { display: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.site-nav > a,
.site-nav > .nav-group > button {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  transition: background-color var(--transition), color var(--transition);
}
.site-nav > a:hover,
.site-nav > .nav-group > button:hover,
.site-nav > a:focus-visible,
.site-nav > .nav-group > button:focus-visible {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--text);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 700;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.nav-group { position: relative; }
.nav-group > button::after {
  content: " ▾";
  font-size: 0.75em;
  opacity: 0.7;
}
.nav-group-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  inset-inline-start: 0;
  min-width: 220px;
  padding: 0.5rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  display: none;
  flex-direction: column;
  gap: 0.1rem;
  z-index: 40;
}
.nav-group[data-open="true"] .nav-group-menu,
.nav-group:focus-within .nav-group-menu { display: flex; }
.nav-group-menu a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}
.nav-group-menu a:hover,
.nav-group-menu a:focus-visible {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--text);
  text-decoration: none;
}

/* ---------- Theme switch (three-way: Dark / Light / Dyslexia) + Lang switch ---------- */
.theme-switch,
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  background: color-mix(in srgb, var(--bg-elev) 60%, transparent);
}
.theme-switch button,
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
  letter-spacing: 0.01em;
}
.theme-switch button:hover,
.lang-switch button:hover { color: var(--text); }
.theme-switch button[aria-checked="true"],
.lang-switch button[aria-checked="true"] {
  background: var(--accent);
  color: #fff;
}
.theme-switch button:focus-visible,
.lang-switch button:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}

/* ---------- Globe-icon language selector (full 20-language dropdown) ---------- */
.lang-switch { position: relative; padding: 0; border-radius: 999px; }
.lang-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  border: 0;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--transition), background-color var(--transition);
}
.lang-switch-btn:hover { color: var(--text); }
.lang-switch-btn:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}
.lang-switch-globe { font-size: 1rem; line-height: 1; }
.lang-switch-label { letter-spacing: 0.01em; }
.lang-switch-chev { font-size: 0.7rem; opacity: 0.8; transition: transform var(--transition); }
.lang-switch-btn[aria-expanded="true"] .lang-switch-chev { transform: rotate(180deg); }

.lang-switch-panel {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  z-index: 50;
  min-width: 320px;
  max-height: 60vh;
  overflow-y: auto;
  padding: 0.6rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.lang-switch-panel[hidden] { display: none; }
.lang-switch-search {
  width: 100%;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
}
.lang-switch-search:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 1px;
}
.lang-switch-section {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.6rem 0.6rem 0.3rem;
}
.lang-switch-opt {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: start;
  transition: background-color var(--transition);
}
.lang-switch-opt:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.lang-switch-opt[aria-selected="true"] {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--text);
  font-weight: 700;
}
.lang-switch-opt:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 1px;
}
.lang-switch-native { flex: 1 1 auto; }
.lang-switch-en { font-size: 0.78rem; color: var(--muted); font-weight: 400; }

/* Inline-language alternates — show only the active language's span */
html[lang="en"] .l-bg,
html[lang="bg"] .l-en { display: none; }

/* Smooth in-page scroll + offset so anchor targets clear the sticky header */
html { scroll-behavior: smooth; }
[id^="angle-"] { scroll-padding-top: 140px; scroll-margin-top: 140px; }

/* Lesson sample chips — colour-coded category buttons that link to angle cards */
.lesson-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 0.85rem;
}
.lesson-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.lesson-chip:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.22);
  text-decoration: none;
  color: #fff;
}
.lesson-chip:focus-visible {
  outline: 2px solid var(--hover-border);
  outline-offset: 2px;
}
.cat-year       { background: #2563eb; }   /* blue   */
.cat-subject    { background: #7c3aed; }   /* purple */
.cat-sensor     { background: #0d9488; }   /* teal   */
.cat-competency { background: #ea580c; }   /* orange */
.cat-approach   { background: #db2777; }   /* pink   */
.cat-phenomena  { background: #16a34a; }   /* green  */
.cat-difficulty { background: #ca8a04; }   /* amber  */
.cat-duration   { background: #475569; }   /* slate  */

/* Persona-aware content swap (corporate vs personal voice) */
html[data-persona="corporate"] .p-personal,
html[data-persona="personal"] .p-corporate { display: none; }
/* In flex/grid containers the active persona wrapper should disappear from layout */
.actions > .p-corporate,
.actions > .p-personal,
.persona-row > .p-corporate,
.persona-row > .p-personal,
.grid-2 > .p-corporate,
.grid-2 > .p-personal,
.grid-3 > .p-corporate,
.grid-3 > .p-personal { display: contents; }
html[data-persona="corporate"] .actions > .p-personal,
html[data-persona="corporate"] .persona-row > .p-personal,
html[data-persona="corporate"] .grid-2 > .p-personal,
html[data-persona="corporate"] .grid-3 > .p-personal,
html[data-persona="personal"] .actions > .p-corporate,
html[data-persona="personal"] .persona-row > .p-corporate,
html[data-persona="personal"] .grid-2 > .p-corporate,
html[data-persona="personal"] .grid-3 > .p-corporate { display: none; }

/* Role filter — replaces the home hero on first visit until a role is chosen */
.role-filter { display: none; }
html.show-role-filter .role-filter { display: block; }
html.show-role-filter .hero { display: none; }
html.show-role-filter [data-persona="corporate"] .pills-personal,
html[data-persona="corporate"] .pills-personal { display: none; }
html[data-persona="personal"] .pills-corporate { display: none; }

.role-filter {
  padding: 4rem 0 3rem;
  background: var(--bg-hero);
  border-bottom: 1px solid var(--line);
}
.role-filter-inner {
  max-width: 760px;
  text-align: center;
}
.role-filter-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 0.6rem;
}
.role-filter-q {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 0.8rem;
}
.role-filter-sub {
  font-size: 1.02rem;
  color: var(--muted);
  margin: 0 auto 2rem;
  max-width: 560px;
  line-height: 1.55;
}
.role-pills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.7rem;
  max-width: 720px;
  margin: 0 auto;
}
.role-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-elev);
  color: var(--text);
  font: inherit;
  text-align: start;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background-color var(--transition);
}
.role-pill:hover {
  transform: translateY(-1px);
  border-color: var(--hover-border);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-elev));
}
.role-pill:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}
.role-pill-label {
  font-weight: 700;
  font-size: 0.98rem;
}
.role-pill-hint {
  font-size: 0.82rem;
  color: var(--muted);
}
.role-pill-soft {
  grid-column: 1 / -1;
  background: transparent;
  border-style: dashed;
}
.role-filter-foot {
  text-align: center;
  margin-top: 1.5rem;
}

/* Persona switch pill (testing aid — toolbar) */
.persona-switch {
  display: inline-flex;
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  background: color-mix(in srgb, var(--bg-elev) 40%, transparent);
  opacity: 0.85;
}
.persona-switch::before {
  content: "demo";
  font-size: 0.62rem;
  color: var(--muted);
  align-self: center;
  padding: 0 0.4rem 0 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.persona-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.32rem 0.55rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}
.persona-switch button[aria-checked="true"] {
  background: var(--accent);
  color: #fff;
}
.persona-switch button:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}

/* Language note — small muted row below the preview banner */
.lang-note {
  background: color-mix(in srgb, var(--bg-elev) 55%, transparent);
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--muted);
  padding: 0.45rem 0;
}
.lang-note .container { text-align: center; }

/* Cookie consent — centred modal with backdrop, can't be missed */
.cookie-banner {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  font-size: 0.95rem;
  animation: cookieFade 200ms ease;
}
@keyframes cookieFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.cookie-banner-inner {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.6rem 1.8rem;
  max-width: 540px;
  width: 100%;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}
.cookie-banner-text {
  color: var(--text);
  line-height: 1.6;
}
.cookie-banner-text a {
  color: var(--accent);
  text-decoration: underline;
}
.cookie-banner-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}
@media (max-width: 560px) {
  .cookie-banner-inner { padding: 1.3rem 1.4rem; }
  .cookie-banner-actions { flex: 1 1 100%; flex-direction: column-reverse; }
  .cookie-banner-actions .btn { width: 100%; text-align: center; }
}

/* ---------- Toolbar buttons ---------- */
.toolbar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
.toggle-btn, .btn, .badge { border-radius: 999px; }

.icon-btn,
.toggle-btn,
.btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 0.68rem 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.92rem;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.icon-btn {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}

.toggle-btn:hover,
.btn-secondary:hover,
.icon-btn:hover {
  border-color: var(--hover-border);
  color: var(--accent-strong);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn + .btn { margin-inline-start: 0.65rem; }

/* ---------- Hero ---------- */
.hero {
  background: var(--bg-hero);
  padding: 5.5rem 0 4rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.9;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.3fr 0.9fr;
  align-items: start;
}
.hero-copy { max-width: 760px; }

.hero-panel {
  background: color-mix(in srgb, var(--bg-elev) 85%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.hero-panel.with-stats {
  display: grid;
  gap: 0.7rem;
}
.stat-row { display: grid; grid-template-columns: auto 1fr; gap: 0.8rem; align-items: baseline; }
.stat-num { font-size: 1.6rem; font-weight: 800; color: var(--accent-strong); min-width: 3ch; }
.stat-lbl { color: var(--muted); font-size: 0.95rem; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.16;
  margin: 0 0 1rem;
  color: var(--text);
}
h1 { font-size: clamp(2.3rem, 4.4vw, 4rem); max-width: 20ch; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
h3 { font-size: 1.22rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 1rem; color: var(--muted); }

.lead { font-size: 1.2rem; color: var(--text); max-width: 46rem; }
.note, .panel-note { color: var(--muted); }
.highlight-line { color: var(--text); font-weight: 600; }

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

/* ---------- Sections ---------- */
.section { padding: 4rem 0; }
.section-tight { padding: 2.4rem 0; }
.section-alt {
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-elev) 70%, var(--bg)) 0%, var(--bg-elev) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- Grids ---------- */
.grid-3, .grid-2, .grid-status, .grid-steps, .quote-grid, .footer-grid {
  display: grid;
  gap: 1rem;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-status { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- Cards ---------- */
.card, .feature, .status-panel, .step, .quote-card, .callout, .contact-card, .timeline-item {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover, .feature:hover, .status-panel:hover, .callout:hover, .quote-card:hover, .contact-card:hover, .step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--hover-border) 50%, var(--line));
}

.feature {
  background: linear-gradient(180deg, var(--bg-elev) 0%, color-mix(in srgb, var(--bg-elev) 75%, var(--bg)) 100%);
}

.card h3, .feature h3, .status-panel h3, .step h3 { margin-bottom: 0.65rem; }

/* ---------- Kickers / badges ---------- */
.kicker {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.3rem 0.68rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid var(--line);
  margin-bottom: 0.65rem;
}
.badge.available { color: #0d7a2a; background: rgba(88, 179, 104, 0.18); border-color: rgba(88, 179, 104, 0.35); }
.badge.building  { color: #a57300; background: rgba(227, 179, 65, 0.18); border-color: rgba(227, 179, 65, 0.35); }
.badge.future    { color: #3c54bf; background: rgba(99, 126, 234, 0.18); border-color: rgba(99, 126, 234, 0.35); }
html:not(.light-mode):not(.dyslexia-mode) body:not(.light-mode):not(.dyslexia-mode) .badge.available,
html:not(.light-mode) .badge.available { color: #d5f3dc; }
html:not(.light-mode):not(.dyslexia-mode) body:not(.light-mode):not(.dyslexia-mode) .badge.building,
html:not(.light-mode) .badge.building  { color: #ffe6b2; }
html:not(.light-mode):not(.dyslexia-mode) body:not(.light-mode):not(.dyslexia-mode) .badge.future,
html:not(.light-mode) .badge.future    { color: #d7ddff; }

/* ---------- Lists ---------- */
.list, .check-list, .simple-list {
  padding-inline-start: 1.2rem;
  color: var(--muted);
  margin: 0;
}
.list li, .check-list li, .simple-list li { margin-bottom: 0.55rem; }
.check-list { list-style: none; padding-inline-start: 0; }
.check-list li { position: relative; padding-inline-start: 1.5rem; }
.check-list li::before {
  content: "✓";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  color: var(--accent-strong);
  font-weight: 800;
}

.definition-list { display: grid; gap: 0.8rem; }
.definition-list dt { font-weight: 700; color: var(--text); }
.definition-list dd { margin: 0; color: var(--muted); }

.quote-card blockquote { margin: 0 0 1rem; font-size: 1.1rem; color: var(--text); }

.meta-strip { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1rem; }
.meta-chip {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Timeline ---------- */
.timeline { display: grid; gap: 1rem; margin-top: 1.25rem; }
.timeline-item { position: relative; padding-inline-start: 1.4rem; }
.timeline-item::before {
  content: "";
  position: absolute;
  inset-inline-start: 0.35rem;
  top: 1.2rem;
  bottom: 1.2rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

/* ---------- Table-of-contents strip ---------- */
.toc-strip {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.9rem 1rem;
  margin: 1.2rem 0 0;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg-elev) 80%, transparent);
  border: 1px solid var(--line);
}
.toc-strip a {
  font-size: 0.9rem;
  color: var(--muted);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.toc-strip a:hover, .toc-strip a:focus-visible {
  color: var(--text);
  border-color: var(--hover-border);
  text-decoration: none;
}
.toc-strip-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: var(--accent-strong);
  padding-block: 0.35rem;
  padding-inline: 0 0.4rem;
  border-inline-end: 1px solid var(--line);
  margin-inline-end: 0.3rem;
}

/* ---------- Showcase / screenshot placeholders ---------- */
.shot-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr 1fr;
}
.shot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.shot:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.shot-frame {
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    repeating-linear-gradient(45deg, color-mix(in srgb, var(--text) 4%, transparent) 0 12px, transparent 12px 24px),
    var(--bg-soft);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.shot-caption { padding: 0.9rem 1.1rem 1.1rem; }
.shot-caption h3 { margin: 0 0 0.3rem; font-size: 1.05rem; }
.shot-caption p { margin: 0; font-size: 0.95rem; }

/* ---------- Forms ---------- */
.form {
  display: grid;
  gap: 0.9rem;
}
.form label { display: grid; gap: 0.3rem; font-weight: 600; color: var(--text); }
.form .hint { font-weight: 400; color: var(--muted); font-size: 0.88rem; }
.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}
.form textarea { min-height: 130px; resize: vertical; }
.form-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 0.4rem; }
.form-note { font-size: 0.88rem; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer {
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, #000 8%);
}
html.light-mode .site-footer,
body.light-mode .site-footer {
  background: color-mix(in srgb, var(--bg) 88%, var(--line) 12%);
}

.footer-grid {
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.footer-grid p, .footer-grid li, .footer-grid a { color: var(--muted); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.5rem; }

.small { font-size: 0.92rem; }
.hr { height: 1px; background: var(--line); margin: 1.25rem 0; }
.muted { color: var(--muted); }

.hero-panel .panel-note:last-child,
.card p:last-child,
.feature p:last-child,
.status-panel p:last-child,
.step p:last-child,
.timeline-item p:last-child,
.callout p:last-child,
.contact-card p:last-child { margin-bottom: 0; }

/* ---------- Footer brand block ---------- */
.footer-brand-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.7rem;
  row-gap: 0.7rem;
}
.footer-brand-block h3 {
  margin: 0;
  flex: 0 0 auto;
}
.footer-brand-block > p {
  flex: 1 1 100%;
  margin: 0;
}
.footer-logo-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  padding: 4px;
  border-radius: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.footer-logo-link:hover,
.footer-logo-link:focus-visible {
  text-decoration: none;
  border-color: var(--hover-border);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.26);
}
.footer-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
/* Dark-theme variant of the icon (corners match the dark panel) shows only on dark theme.
   Light variant (white corners) shows on light + dyslexia themes where the panel is light. */
.footer-logo-dark { display: block; }
.footer-logo-light { display: none; }
html.light-mode .footer-logo-dark,
body.light-mode .footer-logo-dark,
html.dyslexia-mode .footer-logo-dark,
body.dyslexia-mode .footer-logo-dark { display: none; }
html.light-mode .footer-logo-light,
body.light-mode .footer-logo-light,
html.dyslexia-mode .footer-logo-light,
body.dyslexia-mode .footer-logo-light { display: block; }
/* Panel background: dark on dark theme, white on light + dyslexia */
html.light-mode .footer-logo-link,
body.light-mode .footer-logo-link,
html.dyslexia-mode .footer-logo-link,
body.dyslexia-mode .footer-logo-link { background: #ffffff; }

/* Sticky-header offset so the role-filter heading isn't hidden when scrolled to.
   Plus a divider beneath the persona-row section so the audience tiles sit
   visually distinct from the feature trio underneath. */
#choose-role { scroll-margin-top: 200px; }
.section:has(> .container > .persona-row) {
  border-block-end: 1px solid var(--line);
  padding-block-end: 2.4rem;
  margin-block-end: 0.6rem;
}

/* ---------- Persona row (three-way audience split) ---------- */
.persona-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  max-width: 760px;
  margin-inline: auto;
}
/* The active persona variant has 3 tiles. In a 2-col grid, span the third
   across both columns and centre it so the bottom row stays balanced. */
.persona-row > .p-corporate > .persona:nth-child(3),
.persona-row > .p-personal > .persona:nth-child(3) {
  grid-column: 1 / -1;
  max-width: calc(50% - 0.45rem);
  justify-self: center;
}
.persona {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: block;
}
.persona:hover {
  transform: translateY(-2px);
  border-color: var(--hover-border);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
}
.persona h3 { margin: 0.3rem 0 0.2rem; font-size: 1rem; }
.persona p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.persona .arrow { color: var(--accent-strong); font-weight: 800; }

/* ---------- Preview banner (so this demo is clearly labelled) ---------- */
.preview-banner {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 22%, transparent), color-mix(in srgb, var(--accent) 10%, transparent));
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--text);
}
.preview-banner .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  align-items: center;
  flex-wrap: wrap;
}
.preview-banner strong { color: var(--accent-strong); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid,
  .footer-grid,
  .grid-status,
  .grid-steps,
  .grid-3,
  .grid-2,
  .quote-grid,
  .shot-grid,
  .persona-row {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-copy { max-width: none; }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    cursor: pointer;
  }

  .nav-shell { position: relative; }

  .site-nav {
    position: absolute;
    inset-inline-end: 0;
    top: calc(100% + 0.7rem);
    min-width: 280px;
    padding: 0.7rem;
    border-radius: var(--radius-sm);
    background: var(--bg-elev);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    /* On mobile, the open menu + an expanded dropdown can together
       exceed the viewport height. Cap to the viewport (with header
       allowance) and scroll the menu internally so the bottom items
       stay reachable. Three-layer fallback because mobile vh quirks:
         - 70vh: conservative legacy cap for old browsers (vh on iOS
           Safari includes the address bar in the larger value, so a
           plain calc(100vh - …) was overflowing the visible viewport)
         - 100svh: small viewport — guaranteed within chrome-visible
         - 100dvh: dynamic — preferred on modern browsers, updates as
           browser chrome shows / hides */
    max-height: 70vh;
    max-height: calc(100svh - 110px);
    max-height: calc(100dvh - 110px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  .site-nav > a,
  .site-nav > a,
  .site-nav > .nav-group > button { width: 100%; text-align: start; }
  .nav-group-menu {
    position: static;
    box-shadow: none;
    border: 0;
    padding: 0 0 0 0.8rem;
    display: none;
    background: transparent;
  }
  .nav-group[data-open="true"] .nav-group-menu,
  .nav-group:focus-within .nav-group-menu { display: flex; }
  .nav-group[data-open="true"] > button::after { content: " ▴"; }
  .nav-shell[data-open="true"] .site-nav { display: flex; }

  .header-inner { min-height: 84px; }
  .toolbar { gap: 0.4rem; }
  .toggle-btn { padding: 0.6rem 0.75rem; font-size: 0.88rem; }
  .theme-switch button,
  .lang-switch button { padding: 0.36rem 0.55rem; font-size: 0.8rem; }
}

@media (max-width: 560px) {
  .theme-switch button,
  .lang-switch button { padding: 0.32rem 0.5rem; font-size: 0.76rem; }
  .toggle-btn { padding: 0.48rem 0.6rem; font-size: 0.82rem; }

  /* Narrow-mobile: pin the lang-switch panel to the viewport edges instead
     of the button's right edge. The toolbar uses flex-wrap with justify-
     content centre, which means the lang button can sit at different
     horizontal positions depending on cumulative string widths — and
     different languages have different string widths. When the button
     ends up mid-row, the absolute panel anchored to its right edge
     extends 320px to the left and disappears off-screen. Pinning to the
     viewport sidesteps the whole problem. */
  .lang-switch-panel {
    position: fixed;
    top: 12px;
    inset-inline-start: 12px;
    inset-inline-end: 12px;
    min-width: 0;
    max-width: none;
    width: auto;
    max-height: 85vh;
  }
}

@media (max-width: 720px) {
  .hero { padding: 4rem 0 2.8rem; }

  .hero-grid,
  .footer-grid,
  .grid-status,
  .grid-steps,
  .grid-3,
  .grid-2,
  .quote-grid,
  .shot-grid,
  .persona-row {
    grid-template-columns: 1fr;
  }
  .persona-row { max-width: none; }
  .persona-row > .p-corporate > .persona:nth-child(3),
  .persona-row > .p-personal > .persona:nth-child(3) {
    grid-column: auto;
    max-width: none;
    justify-self: stretch;
  }

  .header-inner { align-items: center; }
  .brand-sub { display: none; }
  .btn + .btn { margin-inline-start: 0; }
}

/* Multilingual section — language list as a balanced 3-column grid */
.lang-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0.6rem;
  column-count: 3;
  column-gap: 1.6rem;
  max-width: 720px;
}
.lang-list li {
  break-inside: avoid;
  padding: 0.25rem 0;
  font-size: 0.98rem;
  color: var(--fg, inherit);
}
@media (max-width: 720px) {
  .lang-list { column-count: 2; column-gap: 1.2rem; }
}
@media (max-width: 420px) {
  .lang-list { column-count: 2; column-gap: 0.9rem; }
  .lang-list li { font-size: 0.92rem; }
}

/* ---------- Desktop row layout (>=921px) ----------
 * Header collapses from a 3-row stack (banner / nav / theme+reading)
 * into a single row: banner left, nav + theme + reading right.
 * Mobile (<921px) keeps the existing column stack.
 * Mirrors the same pattern shipped on nowiseeit.org (rule #61). */
@media (min-width: 921px) {
  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
  }
  .brand {
    width: auto;
    flex-shrink: 0;
    justify-content: flex-start;
  }
  .brand-banner {
    max-height: 68px;
    max-width: 312px;
  }
  .nav-shell {
    width: auto;
    flex: 1 1 auto;
    justify-content: flex-end;
  }
}