/* Self-hosted fonts (latin + latin-ext). Replaces the render-blocking Google
   Fonts stylesheet; Japanese falls back to system fonts, exactly as before.
   IBM Plex Sans is a variable woff2 covering the 400-700 weight range. */
@font-face {
  font-family: 'Bebas Neue';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/bebas-neue-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Bebas Neue';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/bebas-neue-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/ibm-plex-mono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/ibm-plex-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/ibm-plex-sans-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/ibm-plex-sans-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/*
 * HEFT marketing site - "Engineering Datasheet" design system
 *
 * Tokens (palette, typography, spacing, motion) ported from the in-app
 * Caution Minimal system in Assets/Scripts/UI/Design/DesignTokens.cs so
 * the web brand reads exactly like the in-game UI. The site is pushed
 * harder into a structural-engineering / construction-spec aesthetic:
 * fixed-width status band, corner registration marks, leader-line
 * callouts, materials reference table, caution-tape rules.
 */

:root {
  /* ── Palette (verbatim from DesignTokens.cs) ───────────────────── */
  --concrete-50: #FAFAF9;
  --concrete-100: #E7E5E4;
  --concrete-200: #D6D3D1;
  --steel-300: #A8A29E;
  --steel-500: #57534E;
  --charcoal-900: #1C1917;
  --charcoal-950: #0E0C0B;
  --caution-500: #F97316;
  --caution-700: #C2410C;

  /* Caution-tape pattern used for top band + divider rules. 45° black
     stripes on caution-500. */
  --tape-stripes:
    repeating-linear-gradient(
      45deg,
      var(--charcoal-900) 0 12px,
      var(--caution-500) 12px 24px
    );

  /* ── Typography ────────────────────────────────────────────────── */
  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;

  --type-display-xl: clamp(72px, 18vw, 240px);   /* hero h1, larger */
  --type-display-lg: clamp(44px, 9vw, 88px);     /* doc h1 */
  --type-display-md: clamp(32px, 5vw, 52px);     /* secondary display */
  --type-body-xl: 22px;                          /* hero tagline */
  --type-body-lg: 17px;                          /* body */
  --type-body-md: 16px;                          /* secondary body */
  --type-body-sm: 14px;                          /* fine print */
  --type-label: 14px;                            /* section labels */
  --type-caption: 12px;                          /* mono micro caps */
  --type-micro: 11px;                            /* band / corners */

  --line-tight: 0.86;
  --line-snug: 1.2;
  --line-base: 1.55;
  --line-relaxed: 1.7;

  --track-display-xl: 0.02em;
  --track-display: 0.06em;
  --track-label: 0.16em;
  --track-caption: 0.24em;

  /* ── 8pt spacing grid ──────────────────────────────────────────── */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --space-16: 128px;

  /* ── Layout ────────────────────────────────────────────────────── */
  --container-max: 1080px;
  --container-narrow: 720px;
  --gutter: clamp(16px, 5vw, 40px);
  --band-h: 28px;
  /* Top of the fixed top-right controls (language switcher + theme toggle).
     Tuned so their 44px box lines up with the header HEFT wordmark:
     body padding (--band-h) + nav padding (--space-4) - the wordmark's -2px nudge. */
  --control-top: calc(var(--band-h) + var(--space-4) - 2px);

  /* ── Motion ────────────────────────────────────────────────────── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-thud: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-quick: 160ms;
  --dur-base: 240ms;
  --dur-deliberate: 480ms;
  --dur-fall: 900ms;

  /* ── Effects ───────────────────────────────────────────────────── */
  --hairline: 1px solid var(--concrete-100);
  --hairline-strong: 1px solid var(--steel-300);
  --accent-rule: 4px solid var(--caution-500);
  --shadow-drop: 0 12px 32px -8px rgba(28, 25, 23, 0.18);
  --shadow-tile: 0 1px 0 var(--charcoal-900), 0 12px 24px -16px rgba(28, 25, 23, 0.4);
}

/* ── Dark mode ─────────────────────────────────────────────────────────
   Inverts the neutral scale only - caution-orange stays the accent, so the
   whole "engineering datasheet" reads correctly dark. Mirrors the in-game
   DarkModeApplicator (Concrete-50 ↔ Charcoal-900). Everything downstream
   (hairlines, tape, shadows) references these vars, so it follows for free.
   Auto-follows the OS via prefers-color-scheme; a future toggle can set
   data-theme="dark" / "light" on <html> to force a mode. */
:root[data-theme="dark"] {
  --concrete-50:  #14110F;
  --concrete-100: #2A2623;
  --concrete-200: #3A3531;
  --steel-300:    #6E6862;
  --steel-500:    #B8AFA8;
  --charcoal-900: #F4F1EE;
  --charcoal-950: #FBF9F7;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --concrete-50:  #14110F;
    --concrete-100: #2A2623;
    --concrete-200: #3A3531;
    --steel-300:    #6E6862;
    --steel-500:    #B8AFA8;
    --charcoal-900: #F4F1EE;
    --charcoal-950: #FBF9F7;
  }
}

/* ── Light/dark toggle button (injected by theme.js on every page) ──────── */
.theme-toggle {
  position: fixed;
  top: var(--control-top);
  right: clamp(20px, 6vw, 60px);
  z-index: 50;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  color: var(--charcoal-900);
  background: var(--concrete-50);
  border: 1.5px solid var(--steel-300);
  box-shadow: var(--shadow-drop);
  transition: transform var(--dur-quick) var(--ease-out),
              background var(--dur-quick) var(--ease-out);
}
.theme-toggle:hover { transform: translateY(-1px); }
.theme-toggle:active { transform: translateY(0) scale(0.94); }
.theme-toggle:focus-visible { outline: 3px solid var(--caution-500); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Reset + base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  color-scheme: light dark; /* native form controls + scrollbars follow the theme */
}

body {
  background: var(--concrete-50);
  color: var(--charcoal-900);
  font-family: var(--font-body);
  font-size: var(--type-body-lg);
  line-height: var(--line-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  padding-top: var(--band-h);
  position: relative;
  overflow-x: hidden;
}

/* Faint paper grain to keep the background from feeling like a flat
   PDF. Two stacked radial-gradient noise dabs are cheap and look like
   document texture under bright light. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 23% 17%, rgba(28, 25, 23, 0.022) 0 1px, transparent 2px),
    radial-gradient(circle at 67% 81%, rgba(28, 25, 23, 0.018) 0 1px, transparent 2px),
    radial-gradient(circle at 41% 73%, rgba(28, 25, 23, 0.02) 0 1px, transparent 2px);
  background-size: 7px 7px, 11px 11px, 13px 13px;
  mix-blend-mode: multiply;
}

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

a {
  color: var(--caution-700);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--dur-quick) var(--ease-out);
}
a:hover, a:focus-visible { color: var(--caution-500); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--caution-500);
  outline-offset: 4px;
  border-radius: 2px;
}

::selection {
  background: var(--caution-500);
  color: var(--concrete-50);
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--charcoal-900);
  color: var(--concrete-50);
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  border-bottom: none;
  transform: translateY(-100%);
  transition: transform var(--dur-quick) var(--ease-out);
  z-index: 200;
}
.skip-link:focus {
  transform: translateY(0);
  color: var(--concrete-50);
}

/* ── Spec band: pinned status strip at the top of every page ─────── */
.spec-band {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--band-h);
  background: var(--charcoal-950);
  color: var(--concrete-50);
  display: flex;
  align-items: center;
  z-index: 150;
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  border-bottom: 1px solid var(--caution-500);
  overflow: hidden;
}
.spec-band .tape {
  width: 8px;
  align-self: stretch;
  background: var(--tape-stripes);
  background-size: 16px 16px;
  flex-shrink: 0;
}
.spec-band .band-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-3);
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
}
.spec-band .band-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--steel-300);
}
.spec-band .band-item b {
  color: var(--concrete-50);
  font-weight: 400;
}
.spec-band .band-item .dot {
  width: 6px;
  height: 6px;
  background: var(--caution-500);
  display: inline-block;
  animation: pulse 2s var(--ease-out) infinite;
}
.spec-band .band-spacer { flex: 1; }
.spec-band .band-divider {
  width: 1px;
  align-self: stretch;
  background: var(--steel-500);
  margin: 6px 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

@media (max-width: 720px) {
  .spec-band .band-item.collapse-mobile { display: none; }
}
@media (max-width: 480px) {
  .spec-band { font-size: 10px; }
  .spec-band .band-inner { gap: var(--space-2); padding: 0 var(--space-2); }
  .spec-band .band-item.collapse-tablet { display: none; }
}

/* ── Corner registration marks ───────────────────────────────────── */
/* Decorative print-proof marks at each viewport corner. Purely
   visual - aria-hidden and ignored by AT. They reinforce the
   "document" framing of the page. */
.crosshair {
  position: fixed;
  width: 18px;
  height: 18px;
  pointer-events: none;
  z-index: 90;
  color: var(--steel-300);
}
.crosshair::before, .crosshair::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.crosshair::before { width: 100%; height: 1px; top: 50%; }
.crosshair::after  { width: 1px; height: 100%; left: 50%; }
.crosshair.tl { top: calc(var(--band-h) + 12px); left: 12px; }
.crosshair.tr { top: calc(var(--band-h) + 12px); right: 12px; }
.crosshair.bl { bottom: 12px; left: 12px; }
.crosshair.br { bottom: 12px; right: 12px; }
@media (max-width: 480px) { .crosshair { display: none; } }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── Top nav ──────────────────────────────────────────────────────── */
.site-nav {
  position: relative;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--gutter);
  max-width: var(--container-max);
  margin: 0 auto;
}
.site-nav .wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: var(--track-display);
  color: var(--charcoal-900);
  padding-bottom: 0;
  border-bottom: none;
  line-height: 1;
}
.site-nav .wordmark:hover { color: var(--charcoal-900); }
.site-nav .wordmark .nav-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out);
  margin-top: -2px;
}
.site-nav .wordmark:hover .nav-mark { transform: rotate(-4deg) translateY(-1px); }
.site-nav .wordmark .nav-text {
  border-bottom: var(--accent-rule);
  padding-bottom: 2px;
}
.site-nav nav { display: flex; gap: var(--space-4); align-items: center; }
.site-nav nav a {
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  border-bottom: none;
  position: relative;
  padding-bottom: 4px;
}
.site-nav nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--caution-500);
  transition: width var(--dur-base) var(--ease-out);
}
.site-nav nav a:hover { color: var(--charcoal-900); }
.site-nav nav a:hover::after { width: 100%; }

@media (max-width: 600px) {
  /* Header padding shrinks to --space-3 and the wordmark mark to 38px here;
     re-center the fixed controls on the smaller header row. */
  :root { --control-top: calc(var(--band-h) + var(--space-3) - 4px); }
  .site-nav { padding: var(--space-3) var(--gutter); }
  .site-nav nav { gap: var(--space-3); }
  .site-nav .wordmark { font-size: 26px; gap: var(--space-1); }
  .site-nav .wordmark .nav-mark { width: 38px; height: 38px; }
}
@media (max-width: 400px) {
  /* Wordmark mark shrinks to 32px; nudge the controls up to stay centred on it. */
  :root { --control-top: calc(var(--band-h) + var(--space-3) - 8px); }
  .site-nav nav { gap: var(--space-2); }
  .site-nav nav a { font-size: 11px; letter-spacing: 0.12em; }
  .site-nav .wordmark { font-size: 22px; }
  .site-nav .wordmark .nav-mark { width: 32px; height: 32px; }
}

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: var(--space-8) var(--gutter) var(--space-12);
  max-width: var(--container-max);
  margin: 0 auto;
  overflow: visible;
}
/* Blueprint grid background - echoes the in-game playfield grid. */
.hero::before {
  content: "";
  position: absolute;
  inset: -40px var(--gutter) 0;
  background-image:
    linear-gradient(var(--concrete-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--concrete-100) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 25%, transparent 80%);
  opacity: 0.7;
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

/* Hero layout: an interactive stack on the left + heading block on the
   right at wide widths; stacks to single column on phones. */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: var(--space-8);
  align-items: end;
  margin-bottom: var(--space-8);
}
@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    align-items: center;
    text-align: center;
  }
}

/* Stack cell - wrapper that keeps the stack, hint, and reset button
   in a single column inside the hero grid. Without this wrapper the
   four grid items (stack, hint, reset, hero-head) auto-place across
   two rows and the reset button lands far below the viewport. */
.stack-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

/* Interactive block stack - the page's hero exhibit. The user can
   click/tap to topple the stack; the JS toggles a `.toppled` class on
   the container which fires staggered fall animations on each block.
   Pure CSS keyframes - no physics engine, just careful easing. */
.stack {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.05;
  max-width: 320px;
  margin: 0 auto;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.stack:focus-visible { outline: 2px solid var(--caution-500); outline-offset: 8px; }
.stack-ground {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--charcoal-900);
}
.stack-ground::before, .stack-ground::after {
  content: "";
  position: absolute;
  top: 2px;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(135deg, transparent 45%, var(--charcoal-900) 45% 55%, transparent 55%),
    linear-gradient(45deg, transparent 45%, var(--charcoal-900) 45% 55%, transparent 55%);
  background-size: 6px 6px;
  opacity: 0.4;
}
.stack-ground::before { left: 0; }
.stack-ground::after  { right: 0; }

.stack-blk {
  position: absolute;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--charcoal-900);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--charcoal-900);
  box-shadow: var(--shadow-tile);
  transition: transform var(--dur-base) var(--ease-out);
}
.stack-blk .blk-tag {
  font-family: var(--font-mono);
  background: var(--concrete-50);
  padding: 2px 5px;
  border: 1px solid var(--charcoal-900);
}
/* Geometry: percentages so the stack is fully responsive. Heights
   chosen so they nest without overlap above ground (2px). */
.stack-blk.b1 {
  bottom: 2px;
  width: 60%;
  height: 28%;
  background: var(--concrete-200);
  transform: translateX(-50%);
  animation: settle 1.2s var(--ease-thud) 200ms both;
}
.stack-blk.b2 {
  bottom: 30%;
  width: 60%;
  height: 28%;
  background: var(--caution-500);
  color: var(--concrete-50);
  border-color: var(--charcoal-900);
  transform: translate(-50%, 0) rotate(-2deg);
  animation: settle 1.2s var(--ease-thud) 400ms both;
}
.stack-blk.b2 .blk-tag { background: var(--charcoal-900); color: var(--concrete-50); border-color: var(--concrete-50); }
.stack-blk.b3 {
  bottom: 58%;
  width: 60%;
  height: 28%;
  background: var(--concrete-200);
  transform: translate(-50%, 0) rotate(3deg);
  animation: settle 1.2s var(--ease-thud) 600ms both;
}

@keyframes settle {
  0%   { opacity: 0; transform: translate(-50%, -180px) rotate(-8deg); }
  60%  { opacity: 1; transform: translate(-50%, 6px) rotate(2deg); }
  100% { opacity: 1; }
}

/* Toppled state - sequential, weighted falls. Heavier (lower) block
   moves the least; top block rolls off the side. Uses translate +
   rotate over a longer duration with a thud-feel ease. */
.stack.toppled .stack-blk.b3 {
  animation: topple-top var(--dur-fall) var(--ease-in) forwards;
}
.stack.toppled .stack-blk.b2 {
  animation: topple-mid var(--dur-fall) var(--ease-in) 80ms forwards;
}
.stack.toppled .stack-blk.b1 {
  animation: topple-bot var(--dur-fall) var(--ease-in) 180ms forwards;
}
@keyframes topple-top {
  to { transform: translate(60%, 36%) rotate(78deg); opacity: 0.95; }
}
@keyframes topple-mid {
  to { transform: translate(-95%, 22%) rotate(-44deg); opacity: 0.95; }
}
@keyframes topple-bot {
  to { transform: translate(-58%, 2%) rotate(-7deg); }
}

/* Hint label below the stack. Disappears once toppled. */
.stack-hint {
  display: block;
  text-align: center;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  transition: opacity var(--dur-base) var(--ease-out);
}
.stack-hint .arr { color: var(--caution-500); margin-right: 6px; }
.stack.toppled + .stack-hint { opacity: 0; }

/* Reset button - appears after toppling */
.stack-reset {
  display: inline-flex;
  margin: var(--space-2) auto 0;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--charcoal-900);
  color: var(--concrete-50);
  border: none;
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur-quick) var(--ease-out);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
}
.stack.toppled ~ .stack-reset {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition: opacity var(--dur-deliberate) var(--ease-out) 600ms,
              transform var(--dur-deliberate) var(--ease-out) 600ms;
}
.stack-reset:hover { background: var(--caution-700); }

/* Heading column */
.hero-head { position: relative; }
.hero .pretitle {
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-caption);
  text-transform: uppercase;
  color: var(--steel-500);
  margin-bottom: var(--space-2);
  animation: fade-up var(--dur-deliberate) var(--ease-out) 80ms both;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero .pretitle::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--caution-500);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--type-display-xl);
  letter-spacing: var(--track-display-xl);
  line-height: var(--line-tight);
  margin-bottom: var(--space-2);
  animation: fade-up var(--dur-deliberate) var(--ease-out) 120ms both;
  position: relative;
}
/* Leader-line callouts radiating from the H1 - visible only on wide
   screens where they don't fight content. Pure CSS, decorative. */
.hero h1 .callout {
  position: absolute;
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  white-space: nowrap;
  display: none;
  align-items: center;
  gap: 6px;
}
.hero h1 .callout .lead {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--charcoal-900);
}
.hero h1 .callout.c1 { top: 10%; right: -90px; }
.hero h1 .callout.c2 { bottom: 40%; right: -90px; }
.hero h1 .callout.c3 { bottom: 8%; right: -90px; }
.hero h1 .callout .dot {
  width: 6px;
  height: 6px;
  background: var(--caution-500);
}
@media (min-width: 1080px) {
  .hero h1 .callout { display: inline-flex; }
}

.hero .tagline {
  font-size: var(--type-body-xl);
  color: var(--steel-500);
  max-width: 560px;
  margin: 0 0 var(--space-5);
  line-height: 1.4;
  animation: fade-up var(--dur-deliberate) var(--ease-out) 180ms both;
}
@media (max-width: 760px) { .hero .tagline { margin: 0 auto var(--space-5); } }

.hero .badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  animation: fade-up var(--dur-deliberate) var(--ease-out) 240ms both;
}
@media (max-width: 760px) { .hero .badges { justify-content: center; } }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--charcoal-900);
  color: var(--concrete-50);
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  border: 1px solid var(--charcoal-900);
  transition: transform var(--dur-quick) var(--ease-out),
              box-shadow var(--dur-quick) var(--ease-out);
}
.badge.coming-soon {
  background: var(--concrete-50);
  color: var(--charcoal-900);
}
.badge .badge-dot {
  width: 8px; height: 8px;
  background: var(--caution-500);
  display: inline-block;
  margin-right: var(--space-1);
}
a.badge { border-bottom: 1px solid var(--charcoal-900); }
a.badge:hover {
  color: var(--concrete-50);
  background: var(--caution-700);
  border-color: var(--caution-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-drop);
}

@media (max-width: 600px) {
  .hero { padding: var(--space-6) var(--gutter) var(--space-10); }
  .hero .tagline { font-size: 18px; }
}

/* Section label - small mono caps with caution-orange underline. */
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-caption);
  text-transform: uppercase;
  color: var(--steel-500);
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--caution-500);
  font-weight: 400;
  line-height: 1;
}

/* Section header pairing - label + giant display heading. */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  align-items: flex-start;
}
.section-head .section-label { margin-bottom: 0; }
.section-head .section-title {
  font-family: var(--font-display);
  font-size: var(--type-display-md);
  letter-spacing: var(--track-display);
  line-height: var(--line-tight);
  color: var(--charcoal-900);
}
.section-head .section-sub {
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  margin-top: 6px;
}

/* ── About section - same container/padding as features + materials ─ */
.about {
  padding: var(--space-10) var(--gutter) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}
.about-body {
  max-width: var(--container-narrow);
  display: grid;
  gap: var(--space-3);
  font-size: var(--type-body-lg);
  line-height: var(--line-relaxed);
}

/* ── Tape divider - orange caution stripes, full-bleed ───────────── */
.tape-divider {
  height: 20px;
  background: var(--tape-stripes);
  background-size: 24px 24px;
  margin: var(--space-10) 0 0;
  border-top: 1px solid var(--charcoal-900);
  border-bottom: 1px solid var(--charcoal-900);
  position: relative;
}

/* ── Features grid ────────────────────────────────────────────────── */
.features {
  position: relative;
  padding: var(--space-10) var(--gutter) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  border: 1px solid var(--charcoal-900);
  background: var(--concrete-50);
}
.feature {
  padding: var(--space-6) var(--space-4) var(--space-5);
  position: relative;
}
.feature + .feature { border-left: 1px solid var(--charcoal-900); }
.feature .feature-number {
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--caution-500);
  margin-bottom: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.feature .feature-number::after {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--charcoal-900);
}
.feature h3 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: var(--track-display);
  line-height: var(--line-tight);
  color: var(--charcoal-900);
  margin-bottom: var(--space-2);
}
.feature p {
  color: var(--steel-500);
  font-size: var(--type-body-md);
  line-height: var(--line-base);
}
.feature .feature-spec {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--steel-300);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
}
.feature .feature-spec b { color: var(--charcoal-900); font-weight: 400; }

@media (max-width: 760px) {
  .feature + .feature { border-left: none; border-top: 1px solid var(--charcoal-900); }
  .feature { padding: var(--space-5) var(--space-4); }
}

/* ── Materials datasheet ──────────────────────────────────────────── */
.soundtrack {
  padding: var(--space-10) var(--gutter) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}
.soundtrack .track-list {
  list-style: none;
  counter-reset: track;
  margin: var(--space-6) 0 var(--space-5);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  border-top: 1px solid var(--charcoal-900);
}
.soundtrack .track-list li {
  counter-increment: track;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-1);
  border-bottom: 1px solid var(--concrete-100);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--type-body-lg);
  color: var(--charcoal-900);
}
.soundtrack .track-list li::before {
  content: counter(track, decimal-leading-zero);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--type-caption);
  color: var(--caution-500);
}
.soundtrack .track-note {
  font-family: var(--font-body);
  font-size: var(--type-body-md);
  color: var(--steel-500);
  margin: 0 0 var(--space-5);
  max-width: 52ch;
}
.soundtrack .track-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: lowercase;
  color: var(--caution-500);
  text-decoration: none;
  border-bottom: 2px solid var(--caution-500);
  padding-bottom: 2px;
}
.soundtrack .track-link:hover { color: var(--charcoal-900); border-color: var(--charcoal-900); }

.materials {
  padding: var(--space-10) var(--gutter) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}
.materials-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  border: 1px solid var(--charcoal-900);
  background: var(--concrete-50);
}
.materials-table thead th {
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--track-label);
  text-align: left;
  padding: var(--space-2) var(--space-3);
  background: var(--charcoal-900);
  color: var(--concrete-50);
  font-size: var(--type-micro);
  border-right: 1px solid var(--steel-500);
}
.materials-table thead th:last-child { border-right: none; }
.materials-table tbody td {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--concrete-100);
  border-right: 1px solid var(--concrete-100);
  vertical-align: middle;
}
.materials-table tbody td:last-child { border-right: none; }
.materials-table tbody tr:hover { background: var(--concrete-100); }
.materials-table .mat-swatch {
  display: inline-block;
  width: 22px;
  height: 22px;
  margin-right: var(--space-1);
  vertical-align: middle;
  border: 1px solid var(--charcoal-900);
}
/* Material swatch fills (moved off inline style= so the CSP can drop 'unsafe-inline').
   These are the fixed material colours - theme-agnostic, same in light + dark. */
.materials-table .mat-swatch.sw-concrete { background: #8C8C8C; }
.materials-table .mat-swatch.sw-steel    { background: #76828F; }
.materials-table .mat-swatch.sw-wood     { background: #8C6640; }
.materials-table .mat-swatch.sw-rubber   { background: #ED5A5F; }
.materials-table .mat-swatch.sw-glass    { background: #B4D9F2; }
.materials-table .mat-swatch.sw-ice      { background: #BFE6FF; }
.materials-table .mat-swatch.sw-stone    { background: #6B7075; }
.materials-table .mat-swatch.sw-foam     { background: #CCC0EB; }
.materials-table .mat-swatch.sw-gold     { background: #F2BF40; }
.materials-table .mat-swatch.sw-obsidian { background: #2E2440; }
.materials-table th.mat-col-name { width: 34%; }
.materials-table .mat-name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: var(--track-display);
  color: var(--charcoal-900);
  vertical-align: middle;
}
.materials-table .mat-flag {
  display: inline-block;
  padding: 2px 6px;
  font-size: 10px;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  background: var(--caution-500);
  color: var(--concrete-50);
  margin-left: 6px;
}
@media (max-width: 720px) {
  /* On phones the 5-col table is too wide - flip to per-row "card"
     stacking using data-label pseudo-content. */
  .materials-table thead { display: none; }
  .materials-table tbody, .materials-table tr, .materials-table td {
    display: block;
    width: 100%;
  }
  .materials-table tbody tr {
    border-top: 1px solid var(--charcoal-900);
    padding: var(--space-2) 0;
  }
  .materials-table tbody tr:first-child { border-top: none; }
  .materials-table tbody td {
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px var(--space-3);
  }
  .materials-table tbody td::before {
    content: attr(data-label);
    color: var(--steel-500);
    font-size: 10px;
    letter-spacing: var(--track-label);
    text-transform: uppercase;
  }
  .materials-table tbody td:first-child::before { content: none; }
  .materials-table tbody td:first-child {
    background: var(--concrete-100);
    border-bottom: 1px solid var(--charcoal-900);
  }
}

/* ── Pull-quote / design principle ────────────────────────────────── */
.pull {
  padding: var(--space-12) var(--gutter);
  max-width: var(--container-narrow);
  margin: 0 auto;
  text-align: center;
  position: relative;
}
.pull .section-label { margin-bottom: var(--space-4); }
.pull blockquote {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: var(--line-snug);
  letter-spacing: var(--track-display);
  color: var(--charcoal-900);
  margin: 0;
  position: relative;
}
.pull blockquote::before { content: "“ "; color: var(--caution-500); }
.pull blockquote::after  { content: " ”"; color: var(--caution-500); }
.pull .attribution {
  display: block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
}

/* ── Status / spec ticker ─────────────────────────────────────────── */
/* Infinite-scrolling status strip near the bottom of the home page.
   Two copies of the content sit side-by-side so the loop seams without
   a visible reset. Pauses on hover so visitors can read. */
.ticker {
  border-top: 1px solid var(--charcoal-900);
  border-bottom: 1px solid var(--charcoal-900);
  background: var(--charcoal-900);
  color: var(--concrete-50);
  overflow: hidden;
  position: relative;
  margin-top: var(--space-10);
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-2) 0;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  animation: ticker-scroll 38s linear infinite;
  width: max-content;
}
.ticker-track .item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--concrete-50);
  padding: 0 var(--space-3);
  border-right: 1px solid var(--steel-500);
}
.ticker-track .item .dot {
  width: 6px;
  height: 6px;
  background: var(--caution-500);
}
.ticker-track .item b {
  color: var(--caution-500);
  font-weight: 400;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Document pages (privacy / terms / press) ─────────────────────── */
.doc {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--space-6) var(--gutter) var(--space-16);
}
.doc-header {
  border-top: 1px solid var(--charcoal-900);
  border-bottom: 1px solid var(--charcoal-900);
  padding: var(--space-3) 0;
  margin-bottom: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--type-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
}
.doc-header .doc-stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.doc-header .doc-stamp b { color: var(--charcoal-900); font-weight: 400; }
.doc-header .doc-stamp .dot {
  width: 6px;
  height: 6px;
  background: var(--caution-500);
}
@media (max-width: 600px) {
  .doc-header { font-size: 10px; flex-wrap: wrap; gap: var(--space-1); }
}
.doc h1 {
  font-family: var(--font-display);
  font-size: var(--type-display-lg);
  letter-spacing: var(--track-display);
  line-height: 1;
  margin-bottom: var(--space-1);
  overflow-wrap: break-word;
}
.doc .doc-underline {
  width: 80px;
  height: 4px;
  background: var(--caution-500);
  margin-bottom: var(--space-2);
}
.doc .doc-meta {
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  margin-bottom: var(--space-6);
}
.doc h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: var(--track-display);
  line-height: var(--line-tight);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: var(--hairline-strong);
  color: var(--charcoal-900);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.doc h2::before {
  content: "§";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--caution-500);
  letter-spacing: 0;
}
.doc h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--charcoal-900);
}
.doc p {
  margin-bottom: var(--space-2);
  color: var(--charcoal-900);
  line-height: var(--line-relaxed);
  overflow-wrap: break-word;
}
.doc ul { margin: var(--space-1) 0 var(--space-2) var(--space-3); }
.doc li {
  margin-bottom: var(--space-1);
  line-height: var(--line-relaxed);
  overflow-wrap: break-word;
}
.doc code {
  font-family: var(--font-mono);
  font-size: 14px;
  background: var(--concrete-100);
  padding: 2px 6px;
  border-radius: 2px;
  overflow-wrap: anywhere;
}
.doc .footnote {
  font-size: var(--type-body-sm);
  color: var(--steel-500);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--hairline);
  overflow-wrap: break-word;
}

/* Press kit fact sheet */
.press-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-3) 0;
  padding: var(--space-3) 0;
  border-top: var(--hairline-strong);
  border-bottom: var(--hairline-strong);
}
.press-grid dt {
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  align-self: center;
}
.press-grid dd {
  font-size: var(--type-body-md);
  /* Let the 1fr track shrink and long tokens (the contact email / URLs) wrap, so the
     fact sheet never forces horizontal scroll on narrow phones (e.g. 320px). */
  min-width: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 600px) {
  .press-grid { grid-template-columns: 120px 1fr; gap: var(--space-1) var(--space-2); }
  .press-grid dt { font-size: 11px; }
}

.asset-downloads {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin: var(--space-3) 0;
}
.asset-downloads a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--charcoal-900);
  color: var(--concrete-50);
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  border: 1px solid var(--charcoal-900);
  transition: background var(--dur-quick) var(--ease-out),
              transform var(--dur-quick) var(--ease-out);
}
.asset-downloads a:hover {
  background: var(--caution-700);
  border-color: var(--caution-700);
  color: var(--concrete-50);
  transform: translateY(-2px);
}

/* ── Footer ───────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--charcoal-900);
  padding: var(--space-6) var(--gutter) var(--space-5);
  margin-top: var(--space-10);
  font-family: var(--font-mono);
  font-size: var(--type-caption);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--steel-500);
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: center;
}
@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2);
  }
}
.site-footer .footer-mark {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: var(--track-display);
  color: var(--charcoal-900);
  border-bottom: 4px solid var(--caution-500);
  padding-bottom: 2px;
  line-height: 1;
  display: inline-block;
}
.site-footer .footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.site-footer a {
  color: var(--steel-500);
  border-bottom: none;
}
.site-footer a:hover { color: var(--caution-500); }
.site-footer .sep { color: var(--steel-300); }
.site-footer .copy {
  font-size: 11px;
  color: var(--steel-500);
  text-align: right;
}
@media (max-width: 600px) { .site-footer .copy { text-align: center; } }

.site-footer .footer-coord {
  font-family: var(--font-mono);
  font-size: 10px;
  /* steel-300 on concrete-50 measures ~2.4:1 - fails WCAG AA even for
     large text. steel-500 lands at ~7:1 and still reads as secondary
     against the footer copy above it. */
  color: var(--steel-500);
  margin-top: var(--space-2);
  text-align: center;
  letter-spacing: var(--track-label);
}

/* --- Language switcher -------------------------------------------------
   Fixed top-right, sitting just left of the dark/light theme toggle (one
   control cluster). Mono, tracked, middot-separated; current language reads
   in Caution-500, the rest in muted steel until hovered. Marketing pages
   only (EN · ES · PT · BS · JA · DE); legal pages stay English-only, no switcher. */
.lang-switch {
  position: fixed;
  top: var(--control-top);
  right: calc(clamp(20px, 6vw, 60px) + 56px); /* just left of the 44px theme toggle */
  height: 44px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.4ch;
  padding: 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--steel-500);
  background: var(--concrete-50);
  border: 1.5px solid var(--steel-300);
  border-radius: 2px; /* sharp, brand max-radius */
  box-shadow: var(--shadow-drop);
}
.lang-switch a {
  color: var(--steel-500);
  text-decoration: none;
  border: none;
}
.lang-switch a:hover { color: var(--charcoal-900); }
.lang-switch a.active { color: var(--caution-500); font-weight: 700; }
.lang-switch .sep { color: var(--steel-300); }
@media (max-width: 600px) {
  .lang-switch {
    font-size: 0.64rem;
    padding: 0 0.5rem;
    gap: 0.3ch;
    right: calc(clamp(20px, 6vw, 60px) + 52px);
  }
}

/* ── FAQ ──────────────────────────────────────────────────────────── */
.faq {
  padding: var(--space-10) var(--gutter) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}
.faq .faq-list {
  margin: var(--space-6) 0 0;
  border-top: 1px solid var(--charcoal-900);
}
.faq details {
  border-bottom: 1px solid var(--concrete-100);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-1);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--type-body-lg);
  color: var(--charcoal-900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--caution-500);
  flex: none;
}
.faq details[open] summary::before { content: "\2013"; }
.faq .faq-a {
  margin: 0;
  padding: 0 var(--space-1) var(--space-3) calc(var(--space-2) + var(--space-1));
  font-family: var(--font-body);
  font-size: var(--type-body-md);
  line-height: var(--line-base);
  color: var(--steel-500);
  max-width: 65ch;
}

/* ── Press screenshots gallery (store composites, small grid) ─────── */
.press-shots {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  margin: var(--space-5) 0 var(--space-2);
  padding-bottom: var(--space-2);
  scrollbar-width: thin;
  scrollbar-color: var(--steel-300) transparent;
  -webkit-overflow-scrolling: touch;
}
.press-shots::-webkit-scrollbar { height: 6px; }
.press-shots::-webkit-scrollbar-track { background: transparent; }
.press-shots::-webkit-scrollbar-thumb { background: var(--steel-300); border-radius: 3px; }
.press-shots img {
  height: 380px;
  width: auto;
  flex: 0 0 auto;
  display: block;
  scroll-snap-align: start;
  border: 1px solid var(--concrete-200);
  border-radius: 12px;
}

/* 404 page - centring helpers (moved off inline style= so the CSP can drop 'unsafe-inline'). */
.err-hero { text-align: center; }
.err-pretitle { justify-content: center; }
.err-code { font-size: clamp(96px, 22vw, 220px); }
.err-tagline { margin-left: auto; margin-right: auto; }
.err-badges { justify-content: center; }