/* =============================================================
   THEME E — Cyberpunk
   Neon-magenta + electric-cyan on deep purple-black. Orbitron
   for display, JetBrains Mono everywhere else, VT323 for
   terminal-style meta. Scanlines, chromatic aberration on the
   hero title, glitch flicker, terminal corner brackets on cards,
   blinking cursors, animated CRT progress rail.
   ============================================================= */

html[data-theme="E"] {
  /* --- Palette: deep purple-black + neon ----------------- */
  --paper:        #0A0420;
  --paper-soft:   #14092E;
  --paper-deep:   #04010F;
  --hairline:     rgba(0, 255, 224, 0.18);
  --rule:         rgba(0, 255, 224, 0.32);
  --rule-strong:  rgba(0, 255, 224, 0.5);

  --ink:          #E0FFEA;
  --ink-soft:     #B5C8FF;
  --ink-mid:      #8B7DC8;
  --ink-faint:    #5C4D8B;

  /* "copper" reused as primary accent: neon magenta */
  --copper:       #FF2E97;
  --copper-soft:  #FF6FBE;
  --copper-deep:  #C4197A;
  --copper-wash:  rgba(255, 46, 151, 0.10);
  --copper-hair:  rgba(255, 46, 151, 0.32);
  --copper-glow:  rgba(255, 46, 151, 0.06);

  --indigo:       #00FFE0;
  --indigo-soft:  #6CFFEB;

  /* Custom theme tokens */
  --neon-cyan:    #00FFE0;
  --neon-magenta: #FF2E97;
  --neon-purple:  #B16BFF;

  --font-display: "Orbitron", "Space Grotesk", system-ui, sans-serif;
  --font-sans:    "JetBrains Mono", ui-monospace, "SF Mono", monospace;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;
  --font-terminal: "VT323", "JetBrains Mono", monospace;

  --section-pad:  clamp(5rem, 12vh, 9rem);
  --radius:       0;

  color-scheme: dark;
}

/* Background grain replaced with synthwave grid + scanlines + vignette */
html[data-theme="E"] body::before {
  background-image:
    linear-gradient(180deg, rgba(177, 107, 255, 0.08), transparent 60%),
    radial-gradient(800px 600px at 80% 0%, rgba(255, 46, 151, 0.16), transparent 70%),
    radial-gradient(900px 700px at 0% 100%, rgba(0, 255, 224, 0.10), transparent 70%);
  mix-blend-mode: screen;
}

/* Scanlines overlay */
html[data-theme="E"] body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  background-image: repeating-linear-gradient(
    0deg,
    transparent 0 2px,
    rgba(0, 255, 224, 0.03) 2px 3px
  );
  mix-blend-mode: overlay;
}

/* Selection */
html[data-theme="E"] ::selection { background: var(--neon-magenta); color: var(--paper); }

/* --- Display / typography ---------------------------------- */
html[data-theme="E"] .display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
}
html[data-theme="E"] .display em {
  font-style: normal;
  color: var(--neon-magenta);
  text-shadow: 0 0 18px rgba(255, 46, 151, 0.55);
}
html[data-theme="E"] h2.display { font-size: clamp(2.25rem, 4.6vw, 4rem); }

html[data-theme="E"] .eyebrow {
  font-family: var(--font-terminal);
  font-weight: 400;
  font-size: 1.0625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-shadow: 0 0 12px rgba(0, 255, 224, 0.55);
  display: inline-flex;
  align-items: center;
  gap: 0.4ch;
}
html[data-theme="E"] .eyebrow::before { content: "❯ "; width: auto; height: auto; background: none; opacity: 1; }
html[data-theme="E"] .eyebrow::after { content: "_"; animation: e-blink 1.1s steps(1, end) infinite; }
@keyframes e-blink { 50% { opacity: 0; } }

html[data-theme="E"] .lead { color: var(--ink); font-family: var(--font-body); }
html[data-theme="E"] .body {
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 1rem;
}
html[data-theme="E"] .body strong { color: var(--neon-cyan); font-weight: 500; text-shadow: 0 0 8px rgba(0, 255, 224, 0.3); }

html[data-theme="E"] .meta,
html[data-theme="E"] .mono {
  font-family: var(--font-mono);
  color: var(--neon-cyan);
  letter-spacing: 0.02em;
}

/* --- Nav --------------------------------------------------- */
html[data-theme="E"] .nav {
  background: rgba(10, 4, 32, 0.85);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
html[data-theme="E"] .nav.is-scrolled {
  background: rgba(10, 4, 32, 0.95);
  border-bottom-color: var(--neon-cyan);
}
/* Animated CRT progress rail: gradient sweep */
html[data-theme="E"] .nav__progress {
  height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-purple));
  filter: drop-shadow(0 0 4px var(--neon-cyan));
}
html[data-theme="E"] .wordmark__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--ink);
  text-shadow: 1px 0 var(--neon-magenta), -1px 0 var(--neon-cyan);
}
html[data-theme="E"] .wordmark__glyph .contour {
  stroke: var(--neon-cyan);
  stroke-width: 1.4;
  opacity: 0.7;
  filter: drop-shadow(0 0 3px var(--neon-cyan));
}
html[data-theme="E"] .wordmark__glyph .c-1 { stroke: var(--neon-magenta); opacity: 1; filter: drop-shadow(0 0 4px var(--neon-magenta)); }
html[data-theme="E"] .wordmark__glyph .c-2 { stroke: var(--neon-cyan); opacity: 0.85; }
html[data-theme="E"] .wordmark__glyph .c-3 { stroke: var(--neon-purple); opacity: 0.7; }
html[data-theme="E"] .wordmark__glyph .wordmark-star {
  fill: var(--neon-magenta);
  filter: drop-shadow(0 0 6px var(--neon-magenta));
}

html[data-theme="E"] .nav__links {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}
html[data-theme="E"] .nav__links a:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 255, 224, 0.7);
}
html[data-theme="E"] .nav__links a::after { background: var(--neon-cyan); height: 2px; box-shadow: 0 0 6px var(--neon-cyan); }

/* Switcher in E look */
html[data-theme="E"] .theme-picker__trigger,
html[data-theme="E"] .mode-toggle {
  border: 1px solid var(--neon-cyan);
  border-radius: 0;
  background: rgba(10, 4, 32, 0.6);
  color: var(--neon-cyan);
}
html[data-theme="E"] .theme-picker__trigger:hover,
html[data-theme="E"] .mode-toggle:hover {
  box-shadow: 0 0 0 1px var(--neon-cyan), 0 0 16px rgba(0, 255, 224, 0.4);
  color: var(--ink);
}
html[data-theme="E"] .theme-picker__menu {
  border: 1px solid var(--neon-cyan);
  border-radius: 0;
  background: rgba(10, 4, 32, 0.96);
  box-shadow: 0 0 28px rgba(0, 255, 224, 0.20);
}
html[data-theme="E"] .theme-picker__option { border-radius: 0; }
html[data-theme="E"] .theme-picker__option:hover,
html[data-theme="E"] .theme-picker__option:focus-visible { background: rgba(0, 255, 224, 0.10); }
html[data-theme="E"] .theme-picker__option[aria-selected="true"] {
  background: rgba(255, 46, 151, 0.18);
  outline: 1px solid var(--neon-magenta);
  outline-offset: -1px;
}
html[data-theme="E"] .theme-picker__option-letter { color: var(--neon-magenta); }
html[data-theme="E"] .theme-picker__option-name { color: var(--ink); }
html[data-theme="E"] .theme-picker__option-sub { color: var(--ink-mid); }
html[data-theme="E"] .theme-picker__dot {
  border-radius: 0;
  background: var(--neon-magenta);
  box-shadow: 0 0 6px var(--neon-magenta);
}
html[data-theme="E"] .theme-picker__label-letter { color: var(--neon-magenta); }

/* --- Hero -------------------------------------------------- */
html[data-theme="E"] .hero__bg-contours { display: none; }
html[data-theme="E"] .hero__bg-grain {
  background:
    radial-gradient(60% 50% at 78% 18%, rgba(255, 46, 151, 0.28), transparent 70%),
    radial-gradient(45% 45% at 12% 86%, rgba(0, 255, 224, 0.22), transparent 70%),
    radial-gradient(35% 35% at 90% 90%, rgba(177, 107, 255, 0.20), transparent 70%);
}
html[data-theme="E"] .hero__bg-grid {
  background-image:
    linear-gradient(90deg, rgba(0, 255, 224, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 255, 224, 0.04) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}
html[data-theme="E"] .hero__meta { border-bottom: 1px solid var(--neon-cyan); }
html[data-theme="E"] .hero__year { color: var(--neon-magenta); text-shadow: 0 0 8px rgba(255, 46, 151, 0.5); }

html[data-theme="E"] .hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.92;
  font-size: clamp(3rem, 11vw, 9rem);
  color: var(--ink);
  text-shadow:
    2px 0 var(--neon-magenta),
    -2px 0 var(--neon-cyan),
    0 0 30px rgba(177, 107, 255, 0.30);
  animation: e-glitch 7s steps(1, end) infinite;
}
@keyframes e-glitch {
  0%, 92%, 100% {
    text-shadow:
      2px 0 var(--neon-magenta),
      -2px 0 var(--neon-cyan),
      0 0 30px rgba(177, 107, 255, 0.30);
    transform: translate(0, 0);
  }
  93% { text-shadow: 4px 0 var(--neon-magenta), -4px 0 var(--neon-cyan); transform: translate(-1px, 0); }
  94% { text-shadow: -2px 0 var(--neon-magenta), 2px 0 var(--neon-cyan); transform: translate(2px, -1px); }
  95% { text-shadow: 6px 0 var(--neon-magenta), -3px 0 var(--neon-cyan); transform: translate(-2px, 0); }
  96% { text-shadow: -1px 0 var(--neon-magenta), 1px 0 var(--neon-cyan); transform: translate(0, 0); }
}
html[data-theme="E"] .hero__title em {
  font-style: normal;
  color: var(--neon-magenta);
  text-shadow:
    2px 0 var(--neon-cyan),
    -2px 0 var(--neon-purple),
    0 0 24px var(--neon-magenta);
}
html[data-theme="E"] .hero__lead {
  font-family: var(--font-body);
  color: var(--ink);
  border-left: 2px solid var(--neon-cyan);
  padding-left: 1.25rem;
}
html[data-theme="E"] .hero__lead strong { color: var(--neon-magenta); font-weight: 600; }
html[data-theme="E"] .hero__support { color: var(--ink-soft); }
html[data-theme="E"] .hero__link {
  color: var(--neon-cyan);
  border-bottom: 1px solid var(--neon-cyan);
}
html[data-theme="E"] .hero__link:hover { color: var(--ink); text-shadow: 0 0 10px var(--neon-cyan); }

/* --- Cards: terminal-style with corner brackets ----------- */
html[data-theme="E"] .ledger,
html[data-theme="E"] .stats,
html[data-theme="E"] .audiences__grid,
html[data-theme="E"] .principles__grid {
  background: transparent;
  border: 0;
  gap: 0.75rem;
  padding: 0;
}

html[data-theme="E"] .ledger__cell,
html[data-theme="E"] .stats__cell,
html[data-theme="E"] .principle,
html[data-theme="E"] .audience {
  background: rgba(20, 9, 46, 0.55);
  border: 1px solid var(--hairline);
  border-radius: 0;
  padding: clamp(1.75rem, 2.5vw, 2.5rem);
  position: relative;
  transition: border-color 240ms var(--ease), background 240ms var(--ease), box-shadow 240ms var(--ease);
}
html[data-theme="E"] .ledger__cell::before,
html[data-theme="E"] .stats__cell::before,
html[data-theme="E"] .principle::before,
html[data-theme="E"] .audience::before {
  /* top-left corner bracket */
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 14px; height: 14px;
  border-top: 2px solid var(--neon-cyan);
  border-left: 2px solid var(--neon-cyan);
  background: none;
  display: block;
  transform: none;
  transition: width 240ms var(--ease), height 240ms var(--ease);
}
html[data-theme="E"] .ledger__cell::after,
html[data-theme="E"] .stats__cell::after,
html[data-theme="E"] .principle::after,
html[data-theme="E"] .audience::after {
  /* bottom-right corner bracket */
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 14px; height: 14px;
  border-bottom: 2px solid var(--neon-magenta);
  border-right: 2px solid var(--neon-magenta);
  display: block;
  transition: width 240ms var(--ease), height 240ms var(--ease);
}
html[data-theme="E"] .ledger__cell:hover,
html[data-theme="E"] .stats__cell:hover,
html[data-theme="E"] .principle:hover,
html[data-theme="E"] .audience:hover {
  border-color: var(--neon-cyan);
  background: rgba(0, 255, 224, 0.06);
  box-shadow: 0 0 0 1px var(--neon-cyan), 0 0 28px rgba(0, 255, 224, 0.20);
}
html[data-theme="E"] .ledger__cell:hover::before,
html[data-theme="E"] .stats__cell:hover::before,
html[data-theme="E"] .principle:hover::before,
html[data-theme="E"] .audience:hover::before { width: 22px; height: 22px; }
html[data-theme="E"] .ledger__cell:hover::after,
html[data-theme="E"] .stats__cell:hover::after,
html[data-theme="E"] .principle:hover::after,
html[data-theme="E"] .audience:hover::after { width: 22px; height: 22px; }

html[data-theme="E"] .ledger__label,
html[data-theme="E"] .principle__title,
html[data-theme="E"] .audience h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--ink);
}
html[data-theme="E"] .ledger__label::before { background: var(--neon-magenta); height: 2px; box-shadow: 0 0 6px var(--neon-magenta); }
html[data-theme="E"] .stats__value { font-family: var(--font-display); font-weight: 900; }
html[data-theme="E"] .stats__num em {
  font-style: normal;
  color: var(--neon-magenta);
  text-shadow: 0 0 18px rgba(255, 46, 151, 0.5);
}
html[data-theme="E"] .stats__unit { color: var(--neon-cyan); font-style: normal; }

/* --- Schematic --------------------------------------------- */
html[data-theme="E"] .schematic {
  background: rgba(20, 9, 46, 0.55);
  border: 1px solid var(--neon-cyan);
  border-radius: 0;
  position: relative;
}
html[data-theme="E"] .schematic::before {
  background: none;
  background-image:
    linear-gradient(90deg, transparent 0 50%, rgba(255, 46, 151, 0.04) 50%),
    repeating-linear-gradient(0deg, transparent 0 24px, rgba(0, 255, 224, 0.06) 24px 25px);
}
html[data-theme="E"] .schematic__head {
  background: rgba(10, 4, 32, 0.7);
  border-bottom: 1px solid var(--neon-cyan);
}
html[data-theme="E"] .schematic__mark { display: none; }
html[data-theme="E"] .schematic__name {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
}
html[data-theme="E"] .schematic__sub { font-family: var(--font-mono); color: var(--neon-cyan); border-left-color: var(--rule); }
html[data-theme="E"] .schematic__ref { color: var(--neon-magenta); font-family: var(--font-terminal); font-size: 1rem; }

html[data-theme="E"] .plane { border-right: 1px solid var(--hairline); }
html[data-theme="E"] .plane__head { border-bottom: 1px solid var(--rule); }
html[data-theme="E"] .plane__head::after {
  background: var(--neon-magenta);
  box-shadow: 0 0 0 4px var(--paper-soft), 0 0 12px var(--neon-magenta);
  border-radius: 0;
  width: 10px; height: 10px;
}
html[data-theme="E"] .plane__title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: -0.01em;
}
html[data-theme="E"] .plane__sub {
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 500;
  color: var(--neon-cyan);
}
html[data-theme="E"] .plane__list li { font-family: var(--font-mono); color: var(--ink-soft); font-size: 0.8125rem; }
html[data-theme="E"] .plane__list li::before { background: var(--neon-magenta); height: 2px; box-shadow: 0 0 4px var(--neon-magenta); }

/* --- Service rows ------------------------------------------ */
html[data-theme="E"] .service-list { border-top: 1px solid var(--neon-cyan); }
html[data-theme="E"] .service-row { border-bottom: 1px solid var(--hairline); }
html[data-theme="E"] .service-row::before { background: var(--neon-magenta); width: 3px; box-shadow: 0 0 6px var(--neon-magenta); }
html[data-theme="E"] .service-row:hover { background: rgba(0, 255, 224, 0.04); }
html[data-theme="E"] .service-row__title h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: -0.005em;
}
html[data-theme="E"] .service-row__tags span {
  font-family: var(--font-mono);
  color: var(--neon-cyan);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 0.35rem 0.7rem;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

/* --- Foundations / Principles bands ------------------------ */
html[data-theme="E"] .foundations {
  background: var(--paper-deep);
  border-top: 1px solid var(--neon-cyan);
  border-bottom: 1px solid var(--neon-cyan);
}
html[data-theme="E"] .foundations::before {
  background-image:
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(0, 255, 224, 0.07) 38px 39px),
    repeating-linear-gradient(90deg, transparent 0 100px, rgba(255, 46, 151, 0.05) 100px 101px);
}
html[data-theme="E"] .foundations__note { color: var(--ink); }
html[data-theme="E"] .foundations__note em { color: var(--neon-magenta); text-shadow: 0 0 12px rgba(255, 46, 151, 0.4); font-style: normal; }
html[data-theme="E"] .principles { background: var(--paper-deep); }

/* --- Products --------------------------------------------- */
html[data-theme="E"] .product-list { border-top: 1px solid var(--neon-cyan); }
html[data-theme="E"] .product { background: transparent; border-bottom: 1px solid var(--hairline); }
html[data-theme="E"] .product::before { width: 3px; }
html[data-theme="E"] .product--live::before { background: var(--neon-magenta); box-shadow: 0 0 8px var(--neon-magenta); }
html[data-theme="E"] .product--building::before { background: var(--neon-cyan); opacity: 0.7; }
html[data-theme="E"] .product--horizon::before { background: var(--neon-purple); opacity: 0.5; }
html[data-theme="E"] .product:hover { background: rgba(255, 46, 151, 0.04); }
html[data-theme="E"] .product__name {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  letter-spacing: -0.005em;
}
html[data-theme="E"] .product--live .product__name {
  color: var(--ink);
  text-shadow: 1px 0 rgba(255, 46, 151, 0.6), -1px 0 rgba(0, 255, 224, 0.6);
}
html[data-theme="E"] .product__pill {
  font-family: var(--font-mono);
  border: 1px solid var(--neon-cyan);
  border-radius: 0;
  background: transparent;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
html[data-theme="E"] .product__pill--live {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  background: rgba(255, 46, 151, 0.08);
  box-shadow: 0 0 12px rgba(255, 46, 151, 0.25);
}
html[data-theme="E"] .product__pill-dot {
  background: var(--neon-magenta);
  box-shadow: 0 0 6px var(--neon-magenta);
  border-radius: 0;
}
html[data-theme="E"] .product__since { color: var(--neon-cyan); font-family: var(--font-mono); }
html[data-theme="E"] .product__link {
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
html[data-theme="E"] .product__link:hover { color: var(--ink); text-shadow: 0 0 10px var(--neon-cyan); }

/* --- Direction / footer ----------------------------------- */
html[data-theme="E"] .direction { border-top: 1px solid var(--neon-cyan); }
html[data-theme="E"] .direction__contact a {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--neon-cyan);
  border-bottom: 1px solid var(--neon-cyan);
  letter-spacing: 0;
}
html[data-theme="E"] .direction__contact a:hover {
  color: var(--ink);
  text-shadow: 0 0 14px var(--neon-cyan);
}
html[data-theme="E"] .footer { border-top: 1px solid var(--neon-magenta); background: var(--paper-deep); }
html[data-theme="E"] .footer .wordmark__text { font-family: var(--font-display); text-transform: uppercase; }
html[data-theme="E"] .footer__copy { color: var(--ink-soft); }
html[data-theme="E"] .footer__copy a { color: var(--neon-cyan); border-bottom-color: var(--neon-cyan); }
html[data-theme="E"] .footer__copy a:hover { color: var(--ink); }
html[data-theme="E"] .footer__mail:hover { color: var(--neon-magenta); }

html[data-theme="E"] .opening__pullquote {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  border-top: 1px solid var(--neon-cyan);
  padding-top: 2rem;
  position: relative;
}
html[data-theme="E"] .opening__pullquote::before {
  content: "// QUOTE";
  position: absolute;
  top: 0.5rem;
  left: 0;
  font-family: var(--font-terminal);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--neon-cyan);
  font-weight: 400;
  text-transform: uppercase;
}
html[data-theme="E"] .opening__pullquote em {
  color: var(--neon-magenta);
  font-style: normal;
  text-shadow: 0 0 14px rgba(255, 46, 151, 0.4);
}
html[data-theme="E"] .products__note {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
}
html[data-theme="E"] .products__note em {
  color: var(--neon-magenta);
  font-style: normal;
  text-shadow: 0 0 14px rgba(255, 46, 151, 0.4);
}

/* =============================================================
   Theme E — Dark/Light
   E is dark by nature. Light mode dials down the saturation but
   keeps the neon vocabulary on a near-white background — feels
   like a daylit chrome HUD instead of midnight Tokyo.
   ============================================================= */
html[data-theme="E"][data-mode="light"] {
  --paper:        #F2EEFE;
  --paper-soft:   #FFFFFF;
  --paper-deep:   #E5DEFB;
  --hairline:     rgba(177, 107, 255, 0.30);
  --rule:         rgba(177, 107, 255, 0.50);
  --rule-strong:  rgba(177, 107, 255, 0.7);
  --ink:          #1B0840;
  --ink-soft:     #3D1F70;
  --ink-mid:      #6B4FA8;
  --ink-faint:    #9A86C8;
  --neon-cyan:    #007F8F;
  --neon-magenta: #C4197A;
  --neon-purple:  #6B3FCF;
  --copper:       #C4197A;
  color-scheme: light;
}
html[data-theme="E"][data-mode="light"] body::before {
  background-image:
    radial-gradient(800px 600px at 80% 0%, rgba(196, 25, 122, 0.10), transparent 70%),
    radial-gradient(900px 700px at 0% 100%, rgba(0, 127, 143, 0.08), transparent 70%);
  mix-blend-mode: multiply;
}
html[data-theme="E"][data-mode="light"] body::after {
  background-image: repeating-linear-gradient(
    0deg, transparent 0 2px, rgba(107, 63, 207, 0.04) 2px 3px
  );
}
html[data-theme="E"][data-mode="light"] .nav { background: rgba(242, 238, 254, 0.85); }
html[data-theme="E"][data-mode="light"] .nav.is-scrolled { background: rgba(242, 238, 254, 0.95); }
html[data-theme="E"][data-mode="light"] .ledger__cell,
html[data-theme="E"][data-mode="light"] .stats__cell,
html[data-theme="E"][data-mode="light"] .principle,
html[data-theme="E"][data-mode="light"] .audience { background: rgba(255, 255, 255, 0.7); }
html[data-theme="E"][data-mode="light"] .schematic { background: rgba(255, 255, 255, 0.7); }
html[data-theme="E"][data-mode="light"] .schematic__head { background: rgba(229, 222, 251, 0.8); }
html[data-theme="E"][data-mode="light"] .foundations,
html[data-theme="E"][data-mode="light"] .principles { background: var(--paper-deep); }
html[data-theme="E"][data-mode="light"] .footer { background: var(--paper-deep); }
html[data-theme="E"][data-mode="light"] .hero__title {
  text-shadow:
    1.5px 0 var(--neon-magenta),
    -1.5px 0 var(--neon-cyan),
    0 0 18px rgba(107, 63, 207, 0.20);
}
html[data-theme="E"][data-mode="light"] .wordmark__text {
  text-shadow: 1px 0 var(--neon-magenta), -1px 0 var(--neon-cyan);
}