/*
 * Shared component styles for both brand sites — variant B.
 * Visual system from the UI/UX Pro Max skill (see docs/variant-b/): light-first, frosted-glass layers
 * over soft brand light, Plus Jakarta Sans, a spacious 4/8 spacing scale, 8/12/16 radii and a 4-step
 * depth scale. Brand hues come exclusively from theme.css custom properties (src/palettes/*.css).
 */

/* ---------- Tokens ---------- */
:root {
  /* Semantic colour roles (Pro Max naming), mapped onto the fixed brand palette */
  --color-primary: var(--btn-bg);
  --color-primary-hover: var(--btn-bg-hover);
  --color-on-primary: var(--btn-fg);
  --color-bg: var(--c-bg);
  --color-fg: var(--c-text);
  --color-heading: var(--c-ink);
  --color-card: var(--c-surface);
  --color-muted: var(--c-bg-alt);
  --color-muted-fg: var(--c-muted);
  --color-border: var(--c-line);
  --color-ring: var(--c-focus);
  --color-accent-fg: var(--c-accent-text);
  --color-accent-soft: var(--c-accent-soft);

  /* Typography — Plus Jakarta Sans for headings and body */
  --font: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --measure: 65ch;

  /* Spacing — Pro Max "spacious" scale (density 3/10), plus 12/16 for component internals */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Shape */
  --radius-sm: 8px;    /* buttons, inputs, icon tiles */
  --radius: 12px;      /* cards */
  --radius-lg: 16px;   /* panels, app windows */
  --radius-full: 999px;

  /* Depth — Pro Max shadow scale, tinted with the palette ink instead of pure black */
  --shadow-sm: 0 1px 2px color-mix(in srgb, var(--c-ink) 6%, transparent);
  --shadow-md: 0 4px 6px -1px color-mix(in srgb, var(--c-ink) 8%, transparent), 0 2px 4px -2px color-mix(in srgb, var(--c-ink) 6%, transparent);
  --shadow-lg: 0 10px 15px -3px color-mix(in srgb, var(--c-ink) 10%, transparent), 0 4px 6px -4px color-mix(in srgb, var(--c-ink) 6%, transparent);
  --shadow-xl: 0 20px 25px -5px color-mix(in srgb, var(--c-ink) 14%, transparent), 0 8px 10px -6px color-mix(in srgb, var(--c-ink) 8%, transparent);

  /* Glass (light) — blur 10–20px, translucent surface, light border + top reflection */
  --glass-bg: color-mix(in srgb, var(--c-surface) 68%, transparent);
  --glass-border: color-mix(in srgb, #fff 75%, transparent);
  --glass-blur: 16px;

  /* Motion — subtle tier: 150–300ms state changes, 350ms reveal, power1.out (ease-out quad) */
  --dur-fast: 150ms;
  --dur: 200ms;
  --dur-reveal: 350ms;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-y: clamp(64px, 9vw, 96px);
  --header-h: 64px;

  /* Mark colours resolve per tone; see .mark--light / .mark--dark */
  --mk-a: var(--mark-a);
  --mk-b: var(--mark-b);
  --mk-c: var(--mark-c);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-16)); /* sticky header never covers an anchor or focus */
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

a, button, [role="tab"] { touch-action: manipulation; }
a, button, [role="tab"], .hotspot { cursor: pointer; }
button, .btn, [role="tab"] { user-select: none; -webkit-user-select: none; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
a { color: inherit; }

h1, h2, h3 {
  color: var(--color-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}
h2 { font-size: clamp(1.875rem, 1.35rem + 2.1vw, 2.75rem); letter-spacing: -0.03em; max-inline-size: 20ch; }
h3, .h3 { font-size: var(--text-xl); letter-spacing: -0.01em; line-height: 1.3; }
.h3 { font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem); letter-spacing: -0.025em; }
p { text-wrap: pretty; max-inline-size: var(--measure); }

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.muted { color: var(--color-muted-fg); }

/* Focus: 2px ring + offset on every control, light and dark */
:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.preview :focus-visible,
.cta :focus-visible,
.concept-bar :focus-visible { outline-color: var(--c-focus-dark); }

.skip-link {
  position: absolute;
  left: var(--space-16); top: -60px;
  z-index: 100;
  padding: 10px var(--space-16);
  background: var(--c-ink);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { top: var(--space-12); }

/* Icon sizes as tokens */
.icon { width: 20px; height: 20px; flex: none; }
.mark { flex: none; }

/* ---------- Logo ---------- */
.mark--dark { --mk-a: var(--mark-a-dark); --mk-b: var(--mark-b-dark); --mk-c: var(--mark-c-dark); }
.logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  text-decoration: none;
  color: var(--color-heading);
}
.logo--dark { color: var(--c-dark-text); }
.wordmark {
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.12em;
  line-height: 1;
  padding-top: 1px;
}

/* ---------- Buttons ---------- */
/* Press feedback is colour + elevation only, so nothing shifts under the pointer */
.btn {
  --_bg: transparent; --_fg: inherit; --_bd: transparent; --_bg-h: var(--_bg); --_bg-a: var(--_bg-h); --_sh: none; --_sh-h: var(--_sh);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 48px;
  padding: 12px var(--space-md);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--_bd);
  background: var(--_bg);
  color: var(--_fg);
  box-shadow: var(--_sh);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.btn .icon { width: 18px; height: 18px; }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--_bg-h); box-shadow: var(--_sh-h); }
}
.btn:active { background: var(--_bg-a); box-shadow: none; transition-duration: 80ms; }
.btn--sm { min-height: 44px; padding: 10px var(--space-16); font-size: var(--text-sm); }

.btn--primary {
  --_bg: var(--color-primary); --_bg-h: var(--color-primary-hover); --_fg: var(--color-on-primary);
  --_bg-a: color-mix(in srgb, var(--color-primary) 88%, #000);
  --_sh: var(--shadow-sm); --_sh-h: var(--shadow-md);
}
.btn--secondary {
  --_bd: var(--color-primary); --_fg: var(--color-primary);
  --_bg-h: color-mix(in srgb, var(--color-primary) 6%, transparent);
  --_bg-a: color-mix(in srgb, var(--color-primary) 12%, transparent);
}
.btn--ghost {
  --_bd: var(--color-border); --_fg: var(--color-heading); --_bg: var(--color-card);
  --_bg-h: var(--color-card); --_bg-a: var(--color-muted);
  --_sh: var(--shadow-sm); --_sh-h: var(--shadow-md);
}
@media (hover: hover) and (pointer: fine) {
  .btn--ghost:hover { border-color: color-mix(in srgb, var(--color-heading) 30%, transparent); }
}
.btn--primary-dark {
  --_bg: var(--btn-dark-bg); --_bg-h: var(--btn-dark-bg-hover); --_fg: var(--btn-dark-fg);
  --_bg-a: color-mix(in srgb, var(--btn-dark-bg) 85%, #000);
}
.btn--ghost-dark {
  --_bd: rgba(255,255,255,.35); --_fg: var(--c-dark-text);
  --_bg-h: rgba(255,255,255,.08); --_bg-a: rgba(255,255,255,.14);
}

/* ---------- Concept bar ---------- */
.concept-bar {
  background: var(--c-dark-deep);
  color: var(--c-dark-muted);
  font-size: 0.8125rem;
}
.concept-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  min-height: 40px;
  padding-block: var(--space-xs);
}
.concept-bar strong { color: var(--c-dark-text); font-weight: 600; }
.variant-list { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
.variant-list a {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  color: var(--c-dark-muted);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .variant-list a:hover { color: var(--c-dark-text); background: rgba(255,255,255,.08); }
}
.variant-list a[aria-current="page"] { color: var(--c-dark-text); background: rgba(255,255,255,.14); }
.variant-pal { font-weight: 500; letter-spacing: 0.02em; opacity: .8; }
.variant-dot { width: 8px; height: 8px; border-radius: 50%; }
.variant-dot--blue { background: #2563ff; }
.variant-dot--green { background: #6ee7b7; }

/* ---------- Header (frosted glass) ---------- */
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header { background: var(--color-bg); }
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: var(--header-h);
  padding-block: var(--space-sm);
}
.nav { flex: 1; min-width: 0; display: flex; justify-content: center; }
.nav-list { display: flex; gap: var(--space-xs); }
.nav-list a {
  display: inline-flex; align-items: center;
  min-height: 44px;
  padding: 0 var(--space-12);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted-fg);
  white-space: nowrap;
  transition: color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .nav-list a:hover { color: var(--color-heading); background: color-mix(in srgb, var(--color-heading) 5%, transparent); }
}
.header-actions { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-card);
  color: var(--color-heading);
  transition: background-color var(--dur) var(--ease-out);
}
.nav-toggle:active { background: var(--color-muted); }
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle-close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle-close { display: inline-flex; }

@media (min-width: 900px) {
  .nav-list, .nav-list li { min-width: 0; }
  .nav-list a { white-space: normal; text-wrap: balance; text-align: center; }
  .header-actions .btn { white-space: normal; text-align: center; }
}

@media (max-width: 899px) {
  .nav { flex: 0 0 auto; order: 3; }
  .header-inner { justify-content: space-between; gap: var(--space-12); }
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    position: absolute;
    left: 0; right: 0; top: 100%;
    padding-block: var(--space-sm) var(--space-md);
    padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
    padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.is-open {
    display: block;
    transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  }
  @starting-style {
    .nav-menu.is-open { opacity: 0; transform: translateY(-4px); }
  }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list a { display: flex; width: 100%; min-height: 52px; padding: 0; border-radius: 0; font-size: 1.0625rem; color: var(--color-heading); border-bottom: 1px solid var(--color-border); }
}
@media (max-width: 399px) {
  .header-actions .btn--sm { padding-inline: var(--space-12); }
  .logo { gap: var(--space-sm); }
}

/* ---------- Common bits ---------- */
/* Eyebrow as a tinted chip, sentence case — calmer than spaced capitals */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 4px var(--space-12);
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent-fg);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: var(--space-md);
}
.eyebrow--dark { background: var(--c-accent-soft-dark); color: var(--c-accent-dark); }

.lead {
  font-size: clamp(var(--text-lg), 1rem + 0.4vw, var(--text-xl));
  line-height: 1.6;
  color: var(--color-muted-fg);
  max-width: 40em;
  margin-top: var(--space-md);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent-fg);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.meter {
  position: relative;
  display: block;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.12);
  overflow: hidden;
}
.meter > span {
  position: absolute; inset: 0 auto 0 0;
  background: var(--c-accent-dark);
  border-radius: inherit;
}
.meter--lg { height: 8px; }

.tick {
  position: relative;
  flex: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.35);
}
.is-done > .tick, .is-found > .tick {
  border-color: var(--c-accent-dark);
  background: var(--c-accent-dark);
}
.is-done > .tick::after, .is-found > .tick::after {
  content: '';
  position: absolute;
  left: 5px; top: 2px;
  width: 5px; height: 9px;
  border: solid var(--c-dark-deep);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Icon tile shared by steps, features and use cases */
.step-icon, .card-icon, .case-icon, .outcome-icon {
  display: grid; place-items: center;
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-fg);
}
.step-icon .icon, .card-icon .icon, .case-icon .icon, .outcome-icon .icon { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(48px, 7vw, var(--space-3xl)) clamp(64px, 9vw, var(--space-3xl));
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-muted) 100%);
}
/* Soft brand "light sources" behind the glass card — the vibrant layer glassmorphism needs */
.hero-light {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(38% 46% at 80% 26%, color-mix(in srgb, var(--c-accent) 26%, transparent), transparent 72%),
    radial-gradient(30% 40% at 62% 88%, color-mix(in srgb, var(--color-primary) 14%, transparent), transparent 70%),
    radial-gradient(26% 34% at 100% 70%, color-mix(in srgb, var(--c-accent) 18%, transparent), transparent 70%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: var(--space-2xl);
    align-items: start;
  }
}
.hero h1 {
  font-size: clamp(2.5rem, 1.7rem + 3.4vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.04;
  max-inline-size: 14ch;
}
.hero h1 span { display: block; }
.hero h1 span + span { color: var(--color-accent-fg); }
.hero-lead {
  margin-top: var(--space-md);
  font-size: clamp(var(--text-lg), 1rem + 0.4vw, var(--text-xl));
  line-height: 1.6;
  color: var(--color-muted-fg);
  max-width: 32em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
  margin-top: var(--space-lg);
}
/* Learn → Simulate → Improve as a quiet segmented strip */
.pillars {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
  padding: var(--space-xs);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-heading);
}
.pillars span {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}
.pillars span::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent-fg);
}

/* Hero: one live decision, on a frosted glass card */
.hero-visual { position: relative; }
.decide {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl), inset 0 1px 0 rgba(255,255,255,.85);
  color: var(--color-fg);
  overflow: hidden;
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .decide { background: var(--color-card); }
}
.decide-bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-16);
  padding: var(--space-12) var(--space-md);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  font-size: 0.8125rem;
  color: var(--color-muted-fg);
}
.decide-brand {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  font-weight: 800; letter-spacing: 0.12em; font-size: 0.75rem;
  color: var(--color-heading);
}
.decide-label { text-align: right; min-width: 0; }
.decide-body { display: flex; flex-direction: column; gap: var(--space-16); padding: var(--space-md); }
@media (min-width: 640px) { .decide-body { padding: var(--space-lg); } }
.app-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-dark-muted);
}
.decide .app-kicker { color: var(--color-accent-fg); }
.decide-q {
  font-size: clamp(var(--text-lg), 1rem + 0.4vw, 1.3125rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-heading);
}
.decide .choices { margin-top: 0; }
.decide-prompt { font-size: var(--text-sm); color: var(--color-muted-fg); }
.decide-prompt[hidden] { display: none; }
.decide-outcome {
  display: grid; gap: var(--space-12);
  grid-template-columns: minmax(0, 1fr);
  padding: var(--space-16) 20px;
  border-radius: var(--radius);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out);
}
.decide-outcome[hidden] { display: none; }
@starting-style { .decide-outcome { opacity: 0; transform: translateY(8px); } }
.outcome-tag {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.outcome-tag::before { content: ''; flex: none; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.outcome-tag--good { color: var(--color-accent-fg); }
.outcome-tag--risk { color: var(--c-warn-text); }
.outcome-tag--mixed { color: var(--color-muted-fg); }
.outcome-text { font-size: 0.9375rem; line-height: 1.55; }
.decide-coach { padding-top: var(--space-12); border-top: 1px solid var(--color-border); font-size: 0.9375rem; line-height: 1.55; color: var(--color-muted-fg); }
.decide .coach-badge { color: var(--color-accent-fg); }
.decide-cta { justify-self: start; max-width: 100%; white-space: normal; text-align: left; }
.coach-badge {
  display: inline-flex; align-items: center; gap: 6px;
  margin-bottom: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-fg);
}
.coach-badge .icon { width: 14px; height: 14px; }
.coach-badge em { font-style: normal; font-weight: 600; letter-spacing: .04em; color: var(--color-muted-fg); text-transform: none; }
.preview .coach-badge em { color: var(--c-dark-muted); }

/* Choice buttons — light (hero) by default, dark inside the product preview */
.choices { display: grid; gap: var(--space-sm); margin-top: var(--space-16); }
.choice {
  --_c: var(--color-accent-fg);
  min-height: 48px;
  text-align: left;
  padding: 12px var(--space-16);
  border-radius: var(--radius-sm);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-fg);
  font-size: 0.9375rem;
  line-height: 1.45;
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .choice:hover { border-color: color-mix(in srgb, var(--color-heading) 35%, transparent); box-shadow: var(--shadow-sm); }
}
.choice:active { background: var(--color-muted); transition-duration: 80ms; }
.choice[aria-pressed="true"] { box-shadow: inset 3px 0 0 var(--_c); border-color: var(--_c); }
.choice[aria-pressed="true"].is-best { --_c: var(--color-accent-fg); background: var(--color-accent-soft); }
.choice[aria-pressed="true"].is-weak { --_c: var(--c-warn-text); background: color-mix(in srgb, var(--c-warn) 14%, var(--color-card)); }

.preview .choice { background: rgba(255,255,255,.04); border-color: var(--c-dark-line); color: var(--c-dark-text); }
@media (hover: hover) and (pointer: fine) {
  .preview .choice:hover { border-color: rgba(255,255,255,.35); box-shadow: none; }
}
.preview .choice:active { background: rgba(255,255,255,.1); }
.preview .choice[aria-pressed="true"].is-best { --_c: var(--c-accent-dark); background: var(--c-accent-soft-dark); }
.preview .choice[aria-pressed="true"].is-weak { --_c: var(--c-warn); background: rgba(242,184,75,.1); }

/* ---------- Scene (floor plan) ---------- */
.scene {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  --sc-floor: var(--c-dark-2);
  --sc-wall: rgba(255,255,255,.55);
  --sc-item: var(--c-dark-3);
}
.scene-svg { width: 100%; height: auto; }
.sc-bg { fill: var(--c-dark-deep); }
.sc-floor { fill: var(--sc-floor); }
.sc-wall { fill: none; stroke: var(--sc-wall); stroke-width: 3; stroke-linecap: round; }
.sc-door { fill: none; stroke: rgba(255,255,255,.25); stroke-width: 1.5; stroke-dasharray: 3 4; }
.sc-exit { fill: var(--c-ok); }
.sc-item { fill: var(--sc-item); stroke: rgba(255,255,255,.08); }
.sc-box { fill: #8a6d4a; stroke: rgba(0,0,0,.25); }
.sc-machine { fill: var(--c-dark-3); stroke: rgba(255,255,255,.18); }
.sc-machine-dial { fill: none; stroke: rgba(255,255,255,.3); stroke-width: 2; }
.sc-cable { fill: none; stroke: var(--c-warn); stroke-width: 2.5; stroke-linecap: round; opacity: .85; }
.sc-lane { fill: none; stroke: var(--c-warn); stroke-width: 2; stroke-dasharray: 10 8; opacity: .45; }
.sc-spill { fill: #6fb7e6; opacity: .55; }
.sc-view { fill: var(--c-accent); opacity: .12; }
.sc-me { fill: var(--c-accent); stroke: var(--c-dark-deep); stroke-width: 3; }
.sc-label { fill: rgba(255,255,255,.55); font: 700 10px/1 var(--font); letter-spacing: .16em; }
.sc-label--exit { fill: var(--c-ok); }
.sc-label--lane { fill: rgba(242,184,75,.8); }

/* 44px hit area around a 16px dot; hover/press change the ring, not the size */
.hotspot {
  position: absolute;
  width: 44px; height: 44px;
  margin: -22px 0 0 -22px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: none;
  display: grid; place-items: center;
}
.hotspot-dot {
  position: relative;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-dark-deep);
  border: 2px solid var(--c-accent-dark);
  transition: background-color var(--dur) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.hotspot-dot::before {
  content: '';
  position: absolute; inset: -8px;
  border-radius: 50%;
  border: 1.5px solid var(--c-accent-dark);
  opacity: .5;
  animation: pulse 2.4s var(--ease-out) infinite;
}
@media (hover: hover) and (pointer: fine) {
  button.hotspot:hover .hotspot-dot { box-shadow: 0 0 0 5px color-mix(in srgb, var(--c-accent-dark) 30%, transparent); }
}
button.hotspot:active .hotspot-dot { box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent-dark) 45%, transparent); }
.hotspot.is-found .hotspot-dot,
.hotspot[aria-pressed="true"] .hotspot-dot { background: var(--c-accent-dark); border-color: #fff; }
.hotspot.is-found .hotspot-dot::before,
.hotspot[aria-pressed="true"] .hotspot-dot::before { animation: none; opacity: .8; inset: -6px; border-color: var(--c-accent-dark); }
/* The pulse invites the first tap, then stops */
.sim.has-started .hotspot-dot::before { animation: none; }
button.hotspot:focus-visible { outline-offset: 0; border-radius: 50%; }

@keyframes pulse {
  0% { transform: scale(.7); opacity: .7; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(48px, 7vw, var(--space-2xl)); }
.section--alt { background: var(--color-muted); }
.section--light { background: var(--color-bg); }
.section--dark { background: var(--c-dark); color: var(--c-dark-text); }
.section--dark h2, .section--dark h3 { color: var(--c-dark-text); }
.section--dark .lead { color: var(--c-dark-muted); }
.section-head { max-width: 760px; margin-bottom: clamp(var(--space-lg), 5vw, var(--space-2xl)); }

/* How it works — three numbered cards */
.steps {
  display: grid;
  gap: var(--space-16);
}
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); } }
.step {
  position: relative;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border-radius: var(--radius);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-md); }
.step-n {
  font-size: var(--text-sm); font-weight: 700; letter-spacing: .06em;
  color: var(--color-muted-fg);
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 1.375rem; margin-bottom: var(--space-sm); }
.step p { color: var(--color-muted-fg); }

/* Platform — even 2 × 2 feature grid, one message per card */
.features { display: grid; gap: var(--space-16); }
@media (min-width: 900px) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); } }
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  padding: clamp(var(--space-md), 3vw, var(--space-lg));
  border-radius: var(--radius);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  min-width: 0;
}
.card-copy { display: flex; flex-direction: column; gap: var(--space-12); }
.card p { color: var(--color-muted-fg); }
.card-icon { margin-bottom: var(--space-xs); }
.viz { margin-top: auto; padding-top: var(--space-sm); }

/* branching viz */
.viz-branch {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-16);
  padding: var(--space-md);
  border-radius: var(--radius);
  background: var(--c-dark-deep);
  font-size: 0.8125rem;
  color: var(--c-dark-text);
}
.viz-branch .node {
  padding: 10px var(--space-12);
  border-radius: var(--radius-sm);
  background: var(--c-dark-2);
  border: 1px solid var(--c-dark-line);
  text-align: center;
  font-weight: 600;
}
.viz-branch .node--start { grid-column: 1 / -1; justify-self: center; min-width: 50%; }
.viz-branch .node--a { grid-column: 1; grid-row: 2; border-color: color-mix(in srgb, var(--c-accent) 60%, transparent); background: var(--c-accent-soft-dark); }
.viz-branch .node--b { grid-column: 2; grid-row: 2; color: var(--c-dark-muted); }
.viz-branch .node--c { grid-column: 1; grid-row: 3; border-color: color-mix(in srgb, var(--c-accent) 60%, transparent); background: var(--c-accent-soft-dark); }
.viz-branch .edge { display: none; }

/* chat viz */
.viz-chat { display: grid; gap: var(--space-sm); }
.bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  line-height: 1.45;
}
.bubble--coach { background: var(--color-muted); color: var(--color-fg); border-bottom-left-radius: 4px; }
.bubble--me { justify-self: end; background: var(--color-primary); color: var(--color-on-primary); border-bottom-right-radius: 4px; }

/* rubric viz */
.viz-rubric { display: grid; gap: var(--space-sm); }
.viz-rubric li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px var(--space-12);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-heading);
}
.viz-rubric li::before {
  content: '';
  flex: none;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-border);
}
.viz-rubric li.ok::before { background: var(--color-accent-fg); }
.viz-rubric li.todo { color: var(--color-muted-fg); }

/* bars viz */
.viz-bars {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 180px;
  padding: 40px var(--space-md) 20px;
  border-radius: var(--radius);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.viz-bars span {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 2px 2px;
  background: color-mix(in srgb, var(--color-accent-fg) 22%, var(--color-bg));
}
.viz-bars span.is-now { background: var(--color-accent-fg); }
.viz-bars em {
  position: absolute; top: var(--space-12); right: 14px;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
}

/* ---------- Product preview ---------- */
/* Light section; the app window stays a dark software surface, framed by a glass bezel over brand light */
.section--product { position: relative; isolation: isolate; overflow: hidden; }
.section--product::before {
  content: '';
  position: absolute;
  inset: 30% 0 0 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(40% 50% at 18% 60%, color-mix(in srgb, var(--c-accent) 20%, transparent), transparent 70%),
    radial-gradient(40% 50% at 85% 40%, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 70%);
}
.preview {
  border-radius: var(--radius-lg);
  background: var(--c-dark-deep);
  border: 1px solid var(--c-dark-line);
  color: var(--c-dark-text);
  padding: clamp(var(--space-12), 2vw, 20px);
  box-shadow: 0 0 0 clamp(4px, 1vw, 10px) var(--glass-bg), var(--shadow-xl);
}
.preview h3 { color: var(--c-dark-text); }
.preview .coach-badge { color: var(--c-accent-dark); }
.tabs {
  display: inline-flex;
  gap: var(--space-xs);
  padding: var(--space-xs);
  margin-bottom: clamp(var(--space-12), 2vw, 20px);
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--c-dark-line);
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}
/* When tabs overflow (large text, narrow screens), fade the edge that has more */
.tabs.has-more-end { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent); }
.tabs.has-more-start { -webkit-mask-image: linear-gradient(to left, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to left, #000 calc(100% - 40px), transparent); }
.tabs.has-more-start.has-more-end { -webkit-mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent); }
.tabs [role="tab"] {
  flex: none;
  min-height: 44px;
  padding: var(--space-sm) 20px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--c-dark-muted);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .tabs [role="tab"]:hover { color: var(--c-dark-text); background: rgba(255,255,255,.05); }
}
.tabs [role="tab"]:active { background: rgba(255,255,255,.1); }
.tabs [role="tab"][aria-selected="true"] { background: var(--c-dark-3); color: var(--c-dark-text); box-shadow: inset 0 -2px 0 var(--c-accent-dark); }
.panel:focus-visible { outline-offset: 4px; }
.panel { transition: opacity var(--dur) var(--ease-out); }
@starting-style { .panel { opacity: 0; } }

.sim { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-16); }
@media (min-width: 960px) {
  .sim { grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); align-items: start; }
  .sim-stage { position: sticky; top: calc(var(--header-h) + var(--space-md)); }
}
.sim.is-deciding .found-hint { display: none; }
.sim.is-deciding .found-list li { padding-block: var(--space-sm); }
.sim-stage {
  padding: 14px;
  border-radius: var(--radius);
  background: var(--c-dark);
  border: 1px solid var(--c-dark-line);
}
.sim-stage-head {
  display: flex; justify-content: space-between; gap: var(--space-12);
  padding: 2px 4px var(--space-12);
  font-size: var(--text-sm);
  color: var(--c-dark-muted);
}
.sim-stage-head > * { min-width: 0; }
.sim-count { color: var(--c-accent-dark); font-weight: 700; font-variant-numeric: tabular-nums; }
.sim-help { padding: var(--space-12) 4px 0; font-size: var(--text-sm); color: var(--c-dark-muted); }
.sim-stage, .sim-side { min-width: 0; overflow-wrap: anywhere; }
.sim-side {
  display: flex; flex-direction: column; gap: var(--space-16);
  padding: clamp(var(--space-16), 2.4vw, var(--space-lg));
  border-radius: var(--radius);
  background: var(--c-dark-2);
  border: 1px solid var(--c-dark-line);
}
.sim-side h3 { font-size: var(--text-xl); margin-top: 6px; }
.sim-side h3:focus { outline: none; }
.found-list { display: grid; gap: var(--space-sm); margin-top: var(--space-16); }
.found-list li {
  display: flex; gap: var(--space-12); align-items: flex-start;
  padding: var(--space-12);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.03);
  border: 1px dashed rgba(255,255,255,.16);
  font-size: 0.9375rem;
  color: var(--c-dark-muted);
  transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.found-list li strong { display: block; font-weight: 600; }
.found-hint { display: block; font-size: var(--text-sm); margin-top: 2px; color: var(--c-dark-muted); }
.found-list li.is-found { border-style: solid; border-color: color-mix(in srgb, var(--c-accent) 45%, transparent); background: var(--c-accent-soft-dark); color: var(--c-dark-text); }
.found-list li.is-found .found-pending { display: none; }
.found-list .tick { margin-top: 3px; }

.sim-step, .found-real { transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out); }
@starting-style {
  .sim-step, .found-real { opacity: 0; transform: translateY(8px); }
}
.found-real { display: block; }
.found-real[hidden] { display: none; }

/* Shown only for the best answer: the one success moment on the page */
.sim-complete {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9375rem; font-weight: 600;
  color: var(--c-dark-text);
  transition: opacity 250ms var(--ease-out), transform 250ms var(--ease-out);
}
.sim-complete[hidden] { display: none; }
.sim-complete .tick { margin-top: 2px; }
@starting-style { .sim-complete { opacity: 0; transform: translateY(4px); } }

.coach-msg {
  margin-top: auto;
  padding: 14px var(--space-16);
  border-radius: var(--radius-sm);
  background: var(--c-dark-deep);
  border: 1px solid var(--c-dark-line);
  font-size: 0.9375rem;
  line-height: 1.55;
}
.sim-reset { align-self: flex-start; max-width: 100%; white-space: normal; text-align: left; }

/* Coach tab */
.convo-wrap { display: grid; gap: var(--space-md); padding: clamp(4px, 1vw, var(--space-12)); }
@media (min-width: 900px) { .convo-wrap { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: var(--space-xl); align-items: center; } }
.convo {
  display: grid; gap: var(--space-12);
  padding: clamp(var(--space-16), 2.4vw, var(--space-lg));
  border-radius: var(--radius);
  background: var(--c-dark-2);
  border: 1px solid var(--c-dark-line);
}
.convo-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--c-dark-muted);
  margin-bottom: 4px;
}
.msg { max-width: 88%; padding: var(--space-12) var(--space-16); border-radius: var(--radius); font-size: 0.9375rem; line-height: 1.55; }
.msg--me { justify-self: end; background: var(--btn-dark-bg); color: var(--btn-dark-fg); border-bottom-right-radius: 4px; }
.msg--coach { background: var(--c-dark-3); border-bottom-left-radius: 4px; }
.msg--coach .coach-badge { margin-bottom: 4px; }
.convo-notes h3 { font-size: 1.5rem; letter-spacing: -.02em; margin-bottom: var(--space-12); }
.convo-notes p { color: var(--c-dark-muted); }
.ticks { display: grid; gap: 10px; margin-top: 20px; }
.ticks li { position: relative; padding-left: 28px; }
.ticks li::before {
  content: '';
  position: absolute; left: 2px; top: 0.45em;
  width: 12px; height: 7px;
  border: solid var(--c-accent-dark);
  border-width: 0 0 2px 2px;
  transform: rotate(-45deg);
}

/* Review tab */
.review { display: grid; gap: var(--space-16); }
@media (min-width: 800px) { .review { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.review-card {
  padding: clamp(18px, 2.4vw, var(--space-lg));
  border-radius: var(--radius);
  background: var(--c-dark-2);
  border: 1px solid var(--c-dark-line);
}
.skill { margin-top: 18px; }
.skill-row { display: flex; justify-content: space-between; gap: var(--space-12); font-size: 0.9375rem; margin-bottom: var(--space-sm); }
.skill-row span:last-child { color: var(--c-dark-muted); font-variant-numeric: tabular-nums; }
.timeline { display: grid; margin-top: var(--space-12); }
.timeline li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--c-dark-line); }
.timeline li:last-child { border-bottom: 0; }
.timeline strong { display: block; font-weight: 600; font-size: 0.9375rem; }
.timeline span { font-size: var(--text-sm); color: var(--c-dark-muted); }
.timeline .dot { flex: none; width: 10px; height: 10px; margin-top: 7px; border-radius: 50%; border: 2px solid var(--c-dark-muted); }
.timeline .dot.ok { background: var(--c-accent-dark); border-color: var(--c-accent-dark); }

/* ---------- Use cases ---------- */
.cases { display: grid; gap: var(--space-16); }
@media (min-width: 640px) { .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .cases { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); } }
.case {
  display: flex; flex-direction: column; gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.case-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-12); margin-bottom: var(--space-12); }
.case p { color: var(--color-muted-fg); }

/* ---------- Outcomes ---------- */
.outcomes { display: grid; gap: var(--space-lg); }
@media (min-width: 640px) { .outcomes { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl) var(--space-lg); } }
@media (min-width: 1000px) { .outcomes { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-lg); } }
.outcome { display: flex; flex-direction: column; gap: var(--space-sm); }
.outcome-icon { margin-bottom: var(--space-sm); border-radius: 50%; width: 48px; height: 48px; }
.outcome p { color: var(--color-muted-fg); }
.footnote { margin-top: var(--space-xl); font-size: var(--text-sm); color: var(--color-muted-fg); }

/* ---------- Enterprise placeholder ---------- */
.enterprise { display: grid; gap: var(--space-lg); align-items: center; }
@media (min-width: 900px) { .enterprise { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--space-2xl); } }
.enterprise .muted { margin-top: var(--space-12); max-width: 30em; }
.placeholders { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: var(--space-12); }
.placeholders li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 2px var(--space-12);
  padding: var(--space-16) 18px;
  border-radius: var(--radius);
  background: var(--color-card);
  border: 1px dashed color-mix(in srgb, var(--color-muted-fg) 45%, transparent);
  color: var(--color-heading);
  font-weight: 600;
  font-size: 0.9375rem;
}
.placeholders li .icon { color: var(--color-accent-fg); grid-row: span 2; width: 22px; height: 22px; }
.placeholders em {
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
}

/* ---------- CTA — the one brand-colour band, centred ---------- */
.cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-dark);
  color: var(--c-dark-text);
  padding-block: clamp(80px, 11vw, 128px);
  text-align: center;
}
.cta::before {
  content: '';
  position: absolute; inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(45% 60% at 50% 0%, color-mix(in srgb, var(--c-accent) 22%, transparent), transparent 70%),
    radial-gradient(30% 50% at 100% 100%, color-mix(in srgb, var(--c-accent) 12%, transparent), transparent 70%);
}
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta h2 { color: var(--c-dark-text); max-inline-size: 18ch; font-size: clamp(2rem, 1.4rem + 2.8vw, 3.25rem); }
.cta .lead { color: var(--c-dark-muted); }
.cta .hero-actions { justify-content: center; }
.cta .btn { white-space: normal; }
.cta-note { margin-top: var(--space-md); font-size: var(--text-sm); color: var(--c-dark-muted); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl) var(--space-lg);
  font-size: 0.9375rem;
}
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-lg); }
.footer-brand p { margin-top: var(--space-12); color: var(--color-muted-fg); max-width: 22em; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-md); }
.footer-links a, .to-top {
  display: inline-flex; align-items: center; min-height: 44px;
  color: var(--color-muted-fg); text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .footer-links a:hover, .to-top:hover { color: var(--color-heading); text-decoration: underline; text-underline-offset: 3px; }
}
.footer-base {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-12);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted-fg);
  font-size: var(--text-sm);
}

/* ---------- Reveal motion ---------- */
/* One group per section fades up 12px (Pro Max subtle tier). Hidden only once JS is known to be running:
   main.js adds .reveal-ready; if it never loads, the failsafe animation shows everything after 2s. */
.js .reveal { opacity: 0; transform: translateY(12px); animation: reveal-failsafe 0s linear 2s forwards; }
.js.reveal-ready .reveal { animation: none; transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@keyframes reveal-failsafe { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js.reveal-ready .reveal { opacity: 1; transform: none; transition: none; animation: none; }
  .hotspot-dot::before { animation: none; }
  /* keep state fades, drop all movement */
  .nav-menu.is-open, .sim-step, .found-real, .sim-complete, .decide-outcome { transition-property: opacity; }
  @starting-style {
    .sim-step, .found-real, .sim-complete, .decide-outcome, .nav-menu.is-open { transform: none; }
  }
}

/* ---------- Small screens ---------- */
@media (max-width: 899px) {
  .concept-bar p { display: none; }
  .concept-bar-inner { justify-content: center; }
}

@media (max-width: 559px) {
  .hero-actions .btn { flex: 1 1 100%; }
  .variant-list { justify-content: center; }
  .variant-list a { padding: 4px 10px; }
  .pillars { display: flex; justify-content: space-between; border-radius: var(--radius); }
  .pillars span { padding: 6px 10px; }
}

/* ---------- Clients ---------- */
.clients { --n: 2; --g: var(--space-16); list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--g); }
.clients > .client { flex: 0 0 calc((100% - (var(--n) - 1) * var(--g)) / var(--n)); min-width: 0; }
@media (min-width: 640px) { .clients { --n: 3; } }
@media (min-width: 1000px) { .clients { --n: 5; --g: var(--space-md); } }
.client {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-sm);
  min-height: 132px; padding: var(--space-md) var(--space-16); text-align: center;
  background: var(--c-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.client { gap: var(--space-16); min-height: 168px; }
.client-logo { display: block; width: auto; max-width: 100%; height: var(--logo-h, 48px); color: var(--c-ink); opacity: .78; transition: opacity var(--dur) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .client:hover .client-logo { opacity: 1; } }
/* Optical balance: wide wordmarks sit lower, the square mark sits taller */
.client-logo--coca-cola { --logo-h: 54px; }
.client-logo--warner-music { --logo-h: 62px; }
.client-logo--petronas { --logo-h: 80px; }
.client-logo--bergen-opera { --logo-h: 56px; }
.client-logo--etsy { --logo-h: 50px; }
@media (max-width: 639px) {
  .client { min-height: 140px; }
  .client-logo--coca-cola { --logo-h: 34px; } .client-logo--warner-music { --logo-h: 44px; }
  .client-logo--petronas { --logo-h: 58px; } .client-logo--bergen-opera { --logo-h: 40px; } .client-logo--etsy { --logo-h: 38px; }
}
@media (prefers-reduced-motion: reduce) { .client-logo { transition: none; } }
.client-sector { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-muted); }
/* Industries variant: text-only cards, shorter than the logo cards */
.clients--industries > .client { min-height: 96px; }
.client-industry { margin: 0; font-size: 1.0625rem; font-weight: 700; color: var(--c-ink); }
.variant-dot--motion-green { background: conic-gradient(#0e3d32, #6ee7b7, #0e3d32); box-shadow: 0 0 0 2px rgba(110,231,183,.3); }