/* ============================================================
   actionX · PREMIUM LAYER (v4.0) — Japanese-minimal, engineered
   Design system: 8pt spacing scale, 1.25 type scale, 3-tier depth.
   Accent: crimson #7f0019 · Washi: #f4f2ed · Ink: #1a1a1a
   ============================================================ */

:root {
  /* --- Type scale (1.25 ratio, 16px base) --- */
  --t-xs: 12px;   --t-sm: 13px;   --t-base: 15px;
  --t-md: 18px;   --t-lg: 22px;   --t-xl: 28px;
  --t-2xl: 36px;  --t-3xl: 46px;  --t-4xl: 58px;

  /* --- Spacing scale (8pt) --- */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px;

  /* --- 3-tier depth (quiet, precise) --- */
  --sh-1: 0 1px 2px rgba(26,26,26,.06), 0 1px 1px rgba(26,26,26,.04);
  --sh-2: 0 4px 12px rgba(26,26,26,.08), 0 1px 3px rgba(26,26,26,.05);
  --sh-3: 0 18px 40px rgba(26,26,26,.13), 0 4px 12px rgba(26,26,26,.07);
  --sh-accent: 0 10px 30px rgba(127,0,25,.18);

  /* --- Easing (motion = engineered, not bouncy) --- */
  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  --glass: rgba(250,249,245,.72);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .ax-reveal { opacity: 1 !important; transform: none !important; }
}

/* ============ SCROLL REVEAL ============ */
.ax-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: var(--rd, 0s);
  will-change: opacity, transform;
}
.ax-reveal.ax-in { opacity: 1; transform: none; }
.ax-reveal.ax-left { transform: translateX(-22px); }
.ax-reveal.ax-right { transform: translateX(22px); }
.ax-reveal.ax-scale { transform: scale(.96) translateY(14px); }
.ax-reveal.ax-in.ax-left, .ax-reveal.ax-in.ax-right, .ax-reveal.ax-in.ax-scale { transform: none; }

/* ============ GLASS HEADER ============ */
.ax-glass-nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid rgba(26,26,26,.08);
  transition: box-shadow .35s var(--ease), background .35s var(--ease);
}
.ax-glass-nav.ax-scrolled { box-shadow: var(--sh-2); background: rgba(250,249,245,.92); }
/* MOBILE STICKY GUARANTEE: the site's html/body use overflow-x:hidden, which
   silently breaks position:sticky descendants. Use position:fixed instead and
   pad the page top so content isn't hidden behind the bar. */
@media (max-width: 768px) {
  .ax-glass-nav, .ax-glass-nav.navbar, header.ax-glass-nav {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 400 !important;
    background: rgba(250,249,245,.97) !important;
    backdrop-filter: blur(14px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(14px) saturate(180%) !important;
    box-shadow: 0 1px 0 rgba(26,26,26,.08), 0 6px 18px rgba(26,26,26,.06);
  }
  body, html { overflow-x: hidden; }
  main { padding-top: 66px !important; }
}

/* ============ HERO UPGRADE ============ */
.ax-hero-wrap { position: relative; overflow: hidden; }
.ax-hero-wash {
  position: absolute; inset: -20% -10% auto -10%; height: 120%;
  background:
    radial-gradient(60% 55% at 22% 18%, rgba(127,0,25,.10) 0%, rgba(127,0,25,0) 62%),
    radial-gradient(55% 50% at 82% 8%, rgba(180,134,8,.10) 0%, rgba(180,134,8,0) 60%);
  pointer-events: none; z-index: 0;
}
.ax-hero-grid-bg {
  position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(26,26,26,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,26,26,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 78%);
}
.ax-hero-inner { position: relative; z-index: 2; }

/* Magnetic / physics buttons */
.ax-btn-mag {
  position: relative;
  transform: translate3d(var(--mx, 0), var(--my, 0), 0);
  transition: transform .5s var(--ease-out), box-shadow .35s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.ax-btn-mag::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(120px 120px at var(--px, 50%) var(--py, 50%), rgba(255,255,255,.35), transparent 70%);
  opacity: 0; transition: opacity .3s var(--ease); pointer-events: none;
}
.ax-btn-mag:hover::after { opacity: 1; }
.ax-btn-mag:active { transform: translate3d(var(--mx, 0), calc(var(--my, 0px) + 2px), 0) scale(.985); }

/* ============ LIVE PRODUCT MOCK (hero) ============ */
.ax-mock {
  position: relative;
  background: #ffffff;
  border: 2px solid var(--border-ink, #1a1a1a);
  box-shadow: 5px 5px 0 rgba(26,26,26,.16), var(--sh-2);
  border-radius: 0;
  overflow: hidden;
}
.ax-mock-bar {
  display: flex; align-items: center; gap: var(--s-2);
  padding: 10px 14px; background: #1a1a1a; color: #f4f2ed;
}
.ax-mock-dot { width: 8px; height: 8px; background: #7f0019; flex: none; }
.ax-mock-title {
  font: 800 10px/1 var(--font-mono, monospace);
  letter-spacing: .18em; text-transform: uppercase; color: #b7b2a8;
}
.ax-mock-live {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font: 700 9px/1 var(--font-mono, monospace); letter-spacing: .16em;
  text-transform: uppercase; color: #d6f5b0;
}
.ax-mock-live i {
  width: 6px; height: 6px; background: #7ddb4a; border-radius: 50%;
  animation: axPulseDot 1.5s ease-in-out infinite;
}
@keyframes axPulseDot {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(125,219,74,.5); }
  50% { opacity: .55; transform: scale(.82); box-shadow: 0 0 0 5px rgba(125,219,74,0); }
}
.ax-mock-canvas {
  position: relative; padding: var(--s-5);
  background: linear-gradient(180deg, #fbfaf7 0%, #f4f2ed 100%);
  min-height: 340px;
}

/* tweet card */
.ax-tweet {
  background: #fff; border: 1px solid rgba(26,26,26,.12);
  padding: var(--s-4) var(--s-5);
  box-shadow: var(--sh-1);
  transition: box-shadow .4s var(--ease), border-color .4s var(--ease), transform .4s var(--ease-out);
}
.ax-tweet.engaged { border-color: rgba(127,0,25,.35); box-shadow: var(--sh-2); }
.ax-tweet-hd { display: flex; align-items: center; gap: var(--s-3); }
.ax-av {
  width: 38px; height: 38px; flex: none;
  background: linear-gradient(135deg, #1a1a1a, #57534e);
  color: #fff; display: grid; place-items: center;
  font: 800 12px/1 var(--font-mono, monospace);
}
.ax-tweet-id { display: flex; flex-direction: column; gap: 2px; }
.ax-tweet-id b { font: 700 13px/1.2 var(--font-sans, system-ui), sans-serif; color: #1a1a1a; }
.ax-tweet-id span { font: 500 11px/1 var(--font-mono, monospace); color: #99938b; }
.ax-tweet-body {
  margin: var(--s-3) 0 var(--s-4);
  font: 400 14px/1.65 var(--font-sans, system-ui), sans-serif; color: #2c2926;
}
.ax-tweet-actions { display: flex; gap: var(--s-5); }
.ax-act {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 11px/1 var(--font-mono, monospace); color: #78716c;
  cursor: default;
}
.ax-act em { font-style: normal; }
.ax-act.hot { color: #7f0019; }
.ax-act svg { stroke: currentColor; }

/* composer */
.ax-composer {
  margin-top: var(--s-4); background: #fff;
  border: 1px solid rgba(26,26,26,.12); padding: var(--s-4) var(--s-5);
  opacity: .55; transform: translateY(6px);
  transition: opacity .5s var(--ease), transform .5s var(--ease-out), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.ax-composer.active { opacity: 1; transform: none; border-color: rgba(127,0,25,.3); box-shadow: var(--sh-2); }
.ax-composer-label {
  font: 800 9px/1 var(--font-mono, monospace);
  letter-spacing: .2em; text-transform: uppercase; color: #b48608;
  margin-bottom: var(--s-2);
}
.ax-composer-box {
  min-height: 52px; padding: var(--s-3);
  background: #fbfaf7; border: 1px solid rgba(26,26,26,.10);
  font: 400 13.5px/1.6 var(--font-sans, system-ui), sans-serif; color: #1a1a1a;
  position: relative;
}
.ax-composer-ph {
  position: absolute; left: var(--s-3); top: var(--s-3);
  color: #b7b2a8; font-size: 13.5px; pointer-events: none;
  transition: opacity .3s var(--ease);
}
.ax-composer.typing .ax-composer-ph { opacity: 0; }
.ax-composer-btn {
  margin-top: var(--s-3);
  background: #7f0019; color: #fff; border: 0;
  padding: 10px 22px; cursor: default;
  font: 800 11px/1 var(--font-mono, monospace);
  letter-spacing: .14em; text-transform: uppercase;
  transition: transform .3s var(--ease-out), background .3s var(--ease), box-shadow .3s var(--ease);
}
.ax-composer-btn.press { transform: scale(.94); box-shadow: 0 0 0 4px rgba(127,0,25,.18); }
.ax-composer-btn.done { background: #15803d; }

/* success toast */
.ax-toast {
  position: absolute; left: var(--s-5); right: var(--s-5); bottom: var(--s-5);
  background: #1a1a1a; color: #fff;
  padding: 12px var(--s-4);
  font: 700 11px/1 var(--font-mono, monospace); letter-spacing: .1em;
  text-transform: uppercase; text-align: center;
  border-left: 3px solid #7ddb4a;
  opacity: 0; transform: translateY(10px);
  transition: opacity .45s var(--ease), transform .45s var(--ease-out);
  pointer-events: none;
}
.ax-toast.show { opacity: 1; transform: none; }

.ax-caret {
  display: inline-block; width: 7px; height: 13px;
  background: #7f0019; vertical-align: -2px; margin-left: 3px;
  animation: axCaret 1s steps(1) infinite;
}
@keyframes axCaret { 0%,49% { opacity: 1; } 50%,100% { opacity: 0; } }

/* Cursor-in-mock: physics pointer that TARGETS real elements */
.ax-mock-cursor {
  position: absolute; width: 18px; height: 22px; z-index: 5;
  pointer-events: none; left: 0; top: 0;
  transform: translate3d(var(--cx, 40px), var(--cy, 40px), 0);
  transition: transform .85s var(--ease-out);
}
.ax-mock-cursor .arrow {
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.35));
}
.ax-mock-cursor .pulse {
  position: absolute; left: -6px; top: -6px; width: 18px; height: 18px;
  border: 2px solid #7f0019; opacity: 0;
}
.ax-mock-cursor.clicking .pulse { animation: axCursorPulse .55s ease-out; }
@keyframes axCursorPulse {
  0% { opacity: .85; transform: scale(.5); }
  100% { opacity: 0; transform: scale(2.6); }
}
.ax-mock-cursor .tag {
  position: absolute; left: 16px; top: 20px;
  background: #1a1a1a; color: #fff; padding: 3px 8px;
  font: 700 9px/1 var(--font-mono, monospace); letter-spacing: .1em;
  text-transform: uppercase; white-space: nowrap;
  border: 1px solid #7f0019;
  opacity: 0; transform: scale(.8); transform-origin: top left;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.ax-mock-cursor .tag.show { opacity: 1; transform: scale(1); }

/* ============ SECTION FURNITURE ============ */
.ax-kicker {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font: 800 10px/1 var(--font-mono, monospace);
  letter-spacing: .22em; text-transform: uppercase; color: #7f0019;
}
.ax-kicker::before {
  content: ""; width: 26px; height: 2px; background: #7f0019; display: block;
}
.ax-rule { height: 2px; background: #1a1a1a; margin: var(--s-5) 0 var(--s-6); }

/* ============ FEATURE CARDS (3D-ish, precise) ============ */
.ax-card {
  position: relative; background: #fff;
  border: 1px solid rgba(26,26,26,.12);
  padding: var(--s-5);
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease), border-color .35s var(--ease);
  will-change: transform;
}
.ax-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-3);
  border-color: rgba(127,0,25,.35);
}
.ax-card .ax-card-num {
  font: 800 11px/1 var(--font-mono, monospace);
  letter-spacing: .18em; color: #b48608;
}
.ax-card .ax-icon {
  width: 46px; height: 46px; display: grid; place-items: center;
  background: #f4f2ed; border: 1.5px solid #1a1a1a;
  margin-bottom: var(--s-4);
  transition: background .35s var(--ease), transform .45s var(--ease-out);
}
.ax-card:hover .ax-icon { background: #7f0019; transform: translateY(-3px) rotate(-3deg); }
.ax-card:hover .ax-icon svg { stroke: #fff; }
.ax-card .ax-icon svg { stroke: #1a1a1a; transition: stroke .35s var(--ease); }

/* ============ WORKFLOW RAIL (interactive 5-step) ============ */
.ax-rail {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: var(--s-3); margin-bottom: var(--s-6);
  position: relative;
}
.ax-rail::before {
  content: ""; position: absolute; top: 19px; left: 8%; right: 8%;
  height: 2px; background: rgba(26,26,26,.14); z-index: 0;
}
.ax-rail-prog {
  position: absolute; top: 19px; left: 8%; height: 2px;
  background: #7f0019; z-index: 1; width: 0;
  transition: width .55s var(--ease-out);
}
.ax-step {
  position: relative; z-index: 2; cursor: pointer; text-align: center;
  background: transparent; border: 0; padding: 0;
  font-family: inherit;
}
.ax-step .dot {
  width: 38px; height: 38px; margin: 0 auto var(--s-3);
  display: grid; place-items: center;
  background: #fff; border: 2px solid rgba(26,26,26,.18);
  font: 800 11px/1 var(--font-mono, monospace); color: #57534e;
  transition: all .4s var(--ease-out);
}
.ax-step .lbl {
  font: 800 10px/1.3 var(--font-mono, monospace);
  letter-spacing: .16em; text-transform: uppercase; color: #78716c;
  transition: color .3s var(--ease);
}
.ax-step.active .dot {
  background: #7f0019; border-color: #7f0019; color: #fff;
  transform: scale(1.08); box-shadow: 0 0 0 5px rgba(127,0,25,.14);
  animation: axRing 2s ease-in-out infinite;
}
@keyframes axRing {
  0%,100% { box-shadow: 0 0 0 5px rgba(127,0,25,.14); }
  50% { box-shadow: 0 0 0 10px rgba(127,0,25,.06); }
}
.ax-step.active .lbl { color: #1a1a1a; }

.ax-stage {
  background: #fff; border: 2px solid #1a1a1a;
  box-shadow: 5px 5px 0 rgba(26,26,26,.14);
  padding: var(--s-6); min-height: 260px;
}
.ax-stage-pane { display: none; animation: axStageIn .5s var(--ease-out); }
.ax-stage-pane.on { display: block; }
@keyframes axStageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* ============ VOICE COMPARISON TABS ============ */
.ax-tabs { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-bottom: var(--s-4); }
.ax-tab {
  padding: 9px 16px; cursor: pointer;
  background: #f4f2ed; border: 1.5px solid rgba(26,26,26,.16);
  font: 800 10px/1 var(--font-mono, monospace);
  letter-spacing: .14em; text-transform: uppercase; color: #57534e;
  transition: all .3s var(--ease);
}
.ax-tab:hover { border-color: #1a1a1a; color: #1a1a1a; }
.ax-tab.active { background: #1a1a1a; border-color: #1a1a1a; color: #fff; }

/* ============ TRUST CHIPS (browser support) ============ */
.ax-browsers {
  display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center;
}
.ax-chip {
  display: inline-flex; align-items: center; gap: var(--s-3);
  padding: 11px 18px; background: #fff;
  border: 1px solid rgba(26,26,26,.12);
  font: 700 12px/1 var(--font-mono, monospace);
  letter-spacing: .06em; color: #2c2926;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease), border-color .3s var(--ease);
}
.ax-chip:hover {
  transform: translateY(-3px); box-shadow: var(--sh-2);
  border-color: rgba(127,0,25,.3);
}
.ax-chip .logo {
  width: 22px; height: 22px; flex: none; display: block;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.12));
}
.ax-chip .mono { font-variant-numeric: tabular-nums; }

/* ============ FAQ ACCORDION ============ */
.ax-faq-item {
  background: #fff; border: 1px solid rgba(26,26,26,.12);
  margin-bottom: var(--s-3); overflow: hidden;
  transition: box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.ax-faq-item:hover { border-color: rgba(127,0,25,.3); }
.ax-faq-item.open { box-shadow: var(--sh-2); border-color: #1a1a1a; }
.ax-faq-q {
  width: 100%; text-align: left; cursor: pointer;
  display: flex; align-items: center; gap: var(--s-4);
  padding: var(--s-4) var(--s-5); background: transparent; border: 0;
  font: 700 15px/1.5 var(--font-sans, system-ui), sans-serif; color: #1a1a1a;
}
.ax-faq-q .mk {
  margin-left: auto; width: 22px; height: 22px; flex: none;
  display: grid; place-items: center;
  border: 1.5px solid #1a1a1a;
  font: 800 13px/1 var(--font-mono, monospace);
  transition: transform .4s var(--ease-out), background .3s var(--ease), color .3s var(--ease);
}
.ax-faq-item.open .ax-faq-q .mk { transform: rotate(135deg); background: #7f0019; color: #fff; border-color: #7f0019; }
.ax-faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .45s var(--ease-out), opacity .35s var(--ease);
  opacity: 0;
}
.ax-faq-item.open .ax-faq-a { max-height: 320px; opacity: 1; }
.ax-faq-a p {
  padding: 0 var(--s-5) var(--s-5); margin: 0;
  font: 400 14px/1.7 var(--font-sans, system-ui), sans-serif;
  color: #57534e;
}

/* ============ PRICING RECEIPT ============ */
.ax-receipt {
  background: #fff; border: 2px solid #1a1a1a;
  box-shadow: 5px 5px 0 rgba(26,26,26,.14);
}
.ax-receipt-hd {
  padding: var(--s-4) var(--s-5); border-bottom: 2px dashed rgba(26,26,26,.18);
  font: 800 10px/1 var(--font-mono, monospace);
  letter-spacing: .22em; text-transform: uppercase; color: #78716c;
  display: flex; align-items: center; justify-content: space-between;
}
.ax-receipt-row {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 11px var(--s-5);
  font: 500 13px/1.5 var(--font-sans, system-ui), sans-serif;
  border-bottom: 1px solid rgba(26,26,26,.07);
}
.ax-receipt-row .k { color: #57534e; }
.ax-receipt-row .v {
  font: 700 13px/1 var(--font-mono, monospace);
  font-variant-numeric: tabular-nums; color: #1a1a1a;
}
.ax-receipt-row.total {
  border-bottom: 0; border-top: 2px solid #1a1a1a;
  padding-top: var(--s-4); padding-bottom: var(--s-4);
}
.ax-receipt-row.total .v { font-size: 20px; color: #7f0019; }

/* ============ STAT COUNTERS ============ */
.ax-stat {
  text-align: center; padding: var(--s-5) var(--s-4);
  background: #fff; border: 1px solid rgba(26,26,26,.12);
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease);
}
.ax-stat:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.ax-stat .num {
  font: 800 var(--t-2xl)/1 var(--font-mono, monospace);
  font-variant-numeric: tabular-nums; color: #1a1a1a;
  display: block; margin-bottom: var(--s-2);
}
.ax-stat .lbl {
  font: 700 10px/1.4 var(--font-mono, monospace);
  letter-spacing: .18em; text-transform: uppercase; color: #78716c;
}

/* ============ PARALLAX / MOUSE GLOW ============ */
.ax-glow-cursor {
  position: fixed; width: 340px; height: 340px; z-index: 1;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(127,0,25,.09) 0%, rgba(127,0,25,0) 68%);
  transform: translate3d(var(--gx, -500px), var(--gy, -500px), 0);
  transition: transform .55s var(--ease-out), opacity .4s var(--ease);
  opacity: 0;
}
.ax-glow-cursor.on { opacity: 1; }

/* ============ DIVIDERS (Japanese toji-inspired) ============ */
.ax-toji {
  display: flex; align-items: center; gap: var(--s-4);
  margin: var(--s-8) 0;
}
.ax-toji::before, .ax-toji::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(26,26,26,.18), transparent);
}
.ax-toji .mark { width: 7px; height: 7px; background: #7f0019; transform: rotate(45deg); }

/* ============ DARK THEME + DENSITY ============ */
[data-theme="dark"] {
  --bg: #141210; --bg-washi: #141210; --bg-washi-alt: #1c1917;
  --txt: #f5f2ec; --dim: #a8a29e; --acc: #d6455d; --gold: #d4a017;
  --card: #1f1c19; --card2: #26221e;
  --line: rgba(255,255,255,.10); --border-ink: #f5f2ec;
}
[data-theme="dark"] .ax-mock,
[data-theme="dark"] .ax-card,
[data-theme="dark"] .ax-stat,
[data-theme="dark"] .ax-stage,
[data-theme="dark"] .ax-receipt,
[data-theme="dark"] .ax-faq-item,
[data-theme="dark"] .ax-tweet,
[data-theme="dark"] .ax-composer,
[data-theme="dark"] .ax-chip {
  background: #1f1c19; color: #f5f2ec;
  border-color: rgba(255,255,255,.12);
}
[data-theme="dark"] .ax-mock-bar { background: #0c0a09; }
[data-theme="dark"] .ax-mock-canvas { background: linear-gradient(180deg, #1c1917 0%, #141210 100%); }
[data-theme="dark"] .ax-composer-box { background: #141210; color: #f5f2ec; border-color: rgba(255,255,255,.10); }
[data-theme="dark"] .ax-av { background: linear-gradient(135deg, #d6455d, #d4a017); }
[data-theme="dark"] .ax-tweet-body { color: #e7e2da; }
[data-theme="dark"] .ax-faq-a p, [data-theme="dark"] .ax-act { color: #a8a29e; }
[data-theme="dark"] .ax-glass-nav { background: rgba(20,18,16,.86); border-bottom-color: rgba(255,255,255,.08); }
[data-theme="dark"] .ax-chip:hover { border-color: rgba(214,69,93,.4); }
[data-theme="dark"] .ax-card:hover { border-color: rgba(214,69,93,.4); }
[data-theme="dark"] .ax-stage { box-shadow: 5px 5px 0 rgba(0,0,0,.5); }
[data-theme="dark"] .ax-mock { box-shadow: 5px 5px 0 rgba(0,0,0,.5), var(--sh-2); }

/* density: compact tightens vertical rhythm */
[data-density="compact"] { --s-5: 18px; --s-6: 24px; --s-7: 36px; --s-8: 48px; --s-9: 72px; }
[data-density="compact"] .ax-card { padding: var(--s-4); }
[data-density="compact"] .ax-mock-canvas { padding: var(--s-4); min-height: 280px; }
[data-density="compact"] .ax-stage { padding: var(--s-5); min-height: 220px; }

/* theme toggle button */
.ax-theme-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; cursor: pointer;
  background: transparent; border: 1px solid rgba(26,26,26,.16);
  font: 700 10px/1 var(--font-mono, monospace);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--txt, #1a1a1a); transition: all .3s var(--ease);
}
.ax-theme-btn:hover { border-color: #7f0019; color: #7f0019; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .ax-rail { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .ax-step .lbl { font-size: 8.5px; letter-spacing: .1em; }
  .ax-stage { padding: var(--s-5); }
}
@media (max-width: 768px) {
  :root {
    --t-4xl: 38px; --t-3xl: 31px; --t-2xl: 26px;
  }
  .ax-hero-wash { height: 100%; }
  .ax-mock-canvas { padding: var(--s-4); min-height: 300px; }
  /* MOBILE POINTER: the narrative demo runs identically (element-targeted),
     the cursor is slightly scaled down for the smaller canvas. */
  .ax-mock-cursor {
    display: block;
    transform: translate3d(var(--cx, 40px), var(--cy, 40px), 0) scale(.9);
  }
  .ax-mock-cursor .tag { font-size: 8px; padding: 2px 6px; }
  .ax-tweet-actions { gap: var(--s-4); }
  .ax-act em { display: none; }
  .ax-rail { grid-template-columns: repeat(5, 1fr); }
  .ax-rail::before, .ax-rail-prog { top: 15px; }
  .ax-step .dot { width: 30px; height: 30px; font-size: 9px; }
  .ax-card:hover { transform: none; }
  .ax-glow-cursor { display: none; }
  .ax-receipt-row.total .v { font-size: 18px; }
}
@media (max-width: 480px) {
  .ax-rail { gap: 3px; }
  .ax-step .lbl { font-size: 7px; letter-spacing: .06em; }
  .ax-stage { padding: var(--s-4); }
  .ax-chip { padding: 7px 11px; font-size: 10.5px; }
}