/* =============================================================
   THEME F — Distopian
   Retro sci-fi comic / Heavy Metal magazine / Moebius. Aged
   parchment + rust + faded teal + mustard. DM Serif Display
   for high-contrast comic titling, Bungee for chunky stat
   numerals. Halftone dot textures, thick 3px black panel
   borders, comic-style offset shadows on display headlines,
   pullquote rendered as a yellow caption panel.
   ============================================================= */

html[data-theme="F"] {
  /* --- Palette: parchment + rust + teal + mustard ------- */
  --paper:        #EFE3C5;
  --paper-soft:   #F7EBCD;
  --paper-deep:   #DCC9A1;
  --hairline:     #2A1F15;
  --rule:         #1A1108;
  --rule-strong:  #000000;

  --ink:          #1A1108;
  --ink-soft:     #443223;
  --ink-mid:      #6E5235;
  --ink-faint:    #94785A;

  /* "copper" reused as rust accent */
  --copper:       #B33A1E;
  --copper-soft:  #D45937;
  --copper-deep:  #7A2210;
  --copper-wash:  rgba(179, 58, 30, 0.10);
  --copper-hair:  rgba(179, 58, 30, 0.34);
  --copper-glow:  rgba(179, 58, 30, 0.06);

  --indigo:       #2D6D78;
  --indigo-soft:  #5E96A1;

  /* Custom theme tokens */
  --rust:         #B33A1E;
  --teal:         #2D6D78;
  --mustard:      #DDB544;
  --caption-yellow:#F2D85A;

  --font-display: "DM Serif Display", "Instrument Serif", "Times New Roman", Georgia, serif;
  --font-chunky:  "Bungee", "Space Grotesk", system-ui, sans-serif;
  --font-sans:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --section-pad:  clamp(5rem, 11vh, 8rem);
  --radius:       0;

  color-scheme: light;
}

/* Parchment background with halftone dot speckle and aged corners */
html[data-theme="F"] body::before {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(26, 17, 8, 0.08) 1px, transparent 1.4px),
    radial-gradient(900px 700px at 0% 0%, rgba(221, 181, 68, 0.16), transparent 70%),
    radial-gradient(800px 600px at 100% 100%, rgba(45, 109, 120, 0.14), transparent 70%);
  background-size: 5px 5px, 100% 100%, 100% 100%;
  mix-blend-mode: multiply;
  opacity: 0.95;
}

/* Selection */
html[data-theme="F"] ::selection { background: var(--mustard); color: var(--ink); }

/* --- Display / typography ---------------------------------- */
html[data-theme="F"] .display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--ink);
  text-shadow: 4px 4px 0 var(--rust);
}
html[data-theme="F"] .display em {
  font-style: italic;
  color: var(--rust);
  text-shadow: 4px 4px 0 var(--ink);
}
html[data-theme="F"] h2.display { font-size: clamp(2.5rem, 5.2vw, 4.75rem); }

html[data-theme="F"] .eyebrow {
  font-family: var(--font-chunky);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--mustard);
  padding: 0.45rem 0.85rem;
  align-self: flex-start;
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 0 var(--ink);
}
html[data-theme="F"] .eyebrow::before { display: none; }

html[data-theme="F"] .lead {
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
}
html[data-theme="F"] .body { color: var(--ink-soft); font-size: 1.0625rem; line-height: 1.65; }
html[data-theme="F"] .body strong {
  color: var(--ink);
  font-weight: 700;
  background: linear-gradient(180deg, transparent 65%, var(--mustard) 65%);
  padding: 0 0.15ch;
}

html[data-theme="F"] .meta {
  font-family: var(--font-mono);
  color: var(--rust);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
html[data-theme="F"] .mono { color: var(--ink); font-weight: 500; }

/* --- Nav --------------------------------------------------- */
html[data-theme="F"] .nav {
  background: rgba(239, 227, 197, 0.92);
  backdrop-filter: saturate(120%) blur(8px);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 3px solid var(--ink);
}
html[data-theme="F"] .nav.is-scrolled {
  background: rgba(239, 227, 197, 0.96);
  border-bottom-color: var(--ink);
}
html[data-theme="F"] .nav__progress { background: var(--rust); height: 3px; }
html[data-theme="F"] .wordmark__text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-shadow: 2px 2px 0 var(--rust);
}
html[data-theme="F"] .wordmark__glyph .contour { stroke-width: 1.6; }
html[data-theme="F"] .wordmark__glyph .c-1 { stroke: var(--rust); opacity: 1; }
html[data-theme="F"] .wordmark__glyph .c-2 { stroke: var(--teal); opacity: 0.85; }
html[data-theme="F"] .wordmark__glyph .c-3 { stroke: var(--mustard); opacity: 1; }
html[data-theme="F"] .wordmark__glyph .wordmark-star { fill: var(--mustard); }

html[data-theme="F"] .nav__links {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
html[data-theme="F"] .nav__links a:hover { color: var(--rust); }
html[data-theme="F"] .nav__links a::after { background: var(--rust); height: 2px; }

/* Switcher in F look */
html[data-theme="F"] .theme-picker__trigger,
html[data-theme="F"] .mode-toggle {
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  box-shadow: 2px 2px 0 0 var(--ink);
}
html[data-theme="F"] .theme-picker__menu {
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-soft);
  box-shadow: 4px 4px 0 0 var(--ink);
}
html[data-theme="F"] .theme-picker__option { border-radius: 0; }
html[data-theme="F"] .theme-picker__option:hover,
html[data-theme="F"] .theme-picker__option:focus-visible { background: var(--mustard); }
html[data-theme="F"] .theme-picker__option[aria-selected="true"] {
  background: var(--rust);
  color: var(--paper);
}
html[data-theme="F"] .theme-picker__option[aria-selected="true"] .theme-picker__option-letter,
html[data-theme="F"] .theme-picker__option[aria-selected="true"] .theme-picker__option-name,
html[data-theme="F"] .theme-picker__option[aria-selected="true"] .theme-picker__option-sub { color: var(--paper); }
html[data-theme="F"] .theme-picker__dot { background: var(--rust); border-radius: 0; }
html[data-theme="F"] .theme-picker__label-letter { color: var(--rust); }

/* --- Hero -------------------------------------------------- */
html[data-theme="F"] .hero__bg-contours { display: none; }
html[data-theme="F"] .hero__bg-grain {
  background:
    radial-gradient(70% 60% at 80% 12%, rgba(221, 181, 68, 0.32), transparent 70%),
    radial-gradient(50% 50% at 18% 88%, rgba(45, 109, 120, 0.22), transparent 70%),
    radial-gradient(35% 35% at 92% 92%, rgba(179, 58, 30, 0.20), transparent 70%);
  filter: blur(0.5px);
}
html[data-theme="F"] .hero__bg-grid {
  background-image:
    radial-gradient(circle at 1.5px 1.5px, rgba(26, 17, 8, 0.18) 1.2px, transparent 1.6px);
  background-size: 14px 14px;
  mask-image: linear-gradient(180deg, transparent 0%, black 25%, black 75%, transparent 100%),
              radial-gradient(60% 60% at 30% 50%, transparent 0%, black 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 25%, black 75%, transparent 100%);
  opacity: 0.6;
}
html[data-theme="F"] .hero__meta { border-bottom: 3px solid var(--ink); padding-bottom: 1rem; }
html[data-theme="F"] .hero__year { color: var(--rust); font-family: var(--font-chunky); font-size: 0.875rem; }

html[data-theme="F"] .hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 0.92;
  font-size: clamp(3.5rem, 12vw, 10.5rem);
  color: var(--ink);
  text-shadow: 6px 6px 0 var(--rust), 12px 12px 0 var(--mustard);
  max-width: 14ch;
}
html[data-theme="F"] .hero__title em {
  font-style: italic;
  color: var(--rust);
  text-shadow: 6px 6px 0 var(--ink), 12px 12px 0 var(--teal);
}

html[data-theme="F"] .hero__lead {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink);
}
html[data-theme="F"] .hero__lead strong {
  color: var(--ink);
  background: linear-gradient(180deg, transparent 65%, var(--mustard) 65%);
  padding: 0 0.15ch;
  font-weight: 700;
}
html[data-theme="F"] .hero__support { color: var(--ink-soft); }
html[data-theme="F"] .hero__link {
  color: var(--ink);
  border-bottom: 2px solid var(--rust);
}
html[data-theme="F"] .hero__link:hover { color: var(--rust); }

/* --- Cards: comic panels with halftone overlay ------------ */
html[data-theme="F"] .ledger,
html[data-theme="F"] .stats,
html[data-theme="F"] .audiences__grid,
html[data-theme="F"] .principles__grid {
  background: transparent;
  border: 0;
  gap: 1rem;
  padding: 0;
}

html[data-theme="F"] .ledger__cell,
html[data-theme="F"] .stats__cell,
html[data-theme="F"] .principle,
html[data-theme="F"] .audience {
  background: var(--paper-soft);
  border: 3px solid var(--ink);
  border-radius: 0;
  padding: clamp(1.75rem, 2.5vw, 2.5rem);
  box-shadow: 5px 5px 0 0 var(--ink);
  position: relative;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), background 240ms var(--ease);
  overflow: hidden;
}
/* halftone dot overlay on cards */
html[data-theme="F"] .ledger__cell::before,
html[data-theme="F"] .stats__cell::before,
html[data-theme="F"] .principle::before,
html[data-theme="F"] .audience::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 50%;
  background-image: radial-gradient(circle at 1.5px 1.5px, rgba(179, 58, 30, 0.32) 1.2px, transparent 1.6px);
  background-size: 8px 8px;
  pointer-events: none;
  mask-image: radial-gradient(circle at 100% 0%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 100% 0%, black 0%, transparent 80%);
  display: block;
  width: 60%;
  height: 60%;
  transform: none;
  background-color: transparent;
  opacity: 0.8;
}
html[data-theme="F"] .ledger__cell:hover,
html[data-theme="F"] .stats__cell:hover,
html[data-theme="F"] .principle:hover,
html[data-theme="F"] .audience:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 0 var(--ink);
  background: var(--paper-soft);
}

html[data-theme="F"] .ledger__label {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2vw, 1.875rem);
  letter-spacing: -0.01em;
  color: var(--ink);
}
html[data-theme="F"] .ledger__label::before {
  background: var(--rust);
  height: 3px;
  width: 36px;
}

html[data-theme="F"] .stats__value { font-family: var(--font-display); font-weight: 400; }
html[data-theme="F"] .stats__num {
  font-family: var(--font-chunky);
  font-size: clamp(2rem, 3.4vw, 3rem);
}
html[data-theme="F"] .stats__num em {
  font-style: normal;
  color: var(--rust);
}
html[data-theme="F"] .stats__unit { font-family: var(--font-display); color: var(--ink); font-style: italic; }

html[data-theme="F"] .principle__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.625rem, 2vw, 1.875rem);
  letter-spacing: -0.012em;
  color: var(--ink);
}
html[data-theme="F"] .principle::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 4px;
  background: var(--rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 320ms var(--ease);
}
html[data-theme="F"] .principle:hover::after { transform: scaleX(1); }

html[data-theme="F"] .audience h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 1.9vw, 1.75rem);
  letter-spacing: -0.012em;
  color: var(--ink);
}

/* --- Schematic --------------------------------------------- */
html[data-theme="F"] .schematic {
  background: var(--paper-soft);
  border: 3px solid var(--ink);
  border-radius: 0;
  box-shadow: 8px 8px 0 0 var(--ink);
}
html[data-theme="F"] .schematic::before {
  background: none;
  background-image: radial-gradient(circle at 1.5px 1.5px, rgba(26, 17, 8, 0.10) 1.2px, transparent 1.6px);
  background-size: 12px 12px;
  mask-image: radial-gradient(circle at 50% 50%, transparent 0%, black 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, transparent 0%, black 80%);
}
html[data-theme="F"] .schematic__head {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--ink);
}
html[data-theme="F"] .schematic__mark { display: none; }
html[data-theme="F"] .schematic__name {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.5rem;
}
html[data-theme="F"] .schematic__sub {
  font-family: var(--font-mono);
  color: var(--mustard);
  border-left-color: var(--paper-deep);
}
html[data-theme="F"] .schematic__ref { color: var(--mustard); font-family: var(--font-chunky); }

html[data-theme="F"] .plane { border-right: 3px solid var(--ink); }
html[data-theme="F"] .plane:last-child { border-right: 0; }
html[data-theme="F"] .plane__head { border-bottom: 3px solid var(--ink); }
html[data-theme="F"] .plane__head::after {
  background: var(--mustard);
  border: 2px solid var(--ink);
  border-radius: 0;
  width: 14px; height: 14px;
  bottom: -8px;
  box-shadow: none;
}
html[data-theme="F"] .plane__title {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.014em;
  color: var(--ink);
}
html[data-theme="F"] .plane__sub {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--rust);
}
html[data-theme="F"] .plane__list li { font-family: var(--font-body); color: var(--ink-soft); }
html[data-theme="F"] .plane__list li::before { background: var(--rust); height: 2px; }

/* --- Service rows ------------------------------------------ */
html[data-theme="F"] .service-list { border-top: 3px solid var(--ink); }
html[data-theme="F"] .service-row { border-bottom: 3px solid var(--ink); }
html[data-theme="F"] .service-row::before { background: var(--rust); width: 4px; }
html[data-theme="F"] .service-row:hover {
  background: linear-gradient(to right, var(--mustard), transparent 40%);
  padding-left: clamp(1rem, 2vw, 2rem);
}
html[data-theme="F"] .service-row__title h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.018em;
}
html[data-theme="F"] .service-row__tags span {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- Foundations / Principles bands ------------------------ */
html[data-theme="F"] .foundations {
  background: var(--paper-deep);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}
html[data-theme="F"] .foundations::before {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(26, 17, 8, 0.18) 1px, transparent 1.4px);
  background-size: 8px 8px;
  mask-image: linear-gradient(to right, black 0%, transparent 50%);
  -webkit-mask-image: linear-gradient(to right, black 0%, transparent 50%);
  opacity: 0.6;
}
html[data-theme="F"] .foundations__note {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--ink);
}
html[data-theme="F"] .foundations__note em { color: var(--rust); font-style: italic; }
html[data-theme="F"] .principles { background: var(--paper-deep); }

/* --- Products --------------------------------------------- */
html[data-theme="F"] .product-list { border-top: 3px solid var(--ink); gap: 0; }
html[data-theme="F"] .product {
  background: var(--paper-soft);
  border-bottom: 3px solid var(--ink);
}
html[data-theme="F"] .product::before { width: 5px; background: var(--rust); }
html[data-theme="F"] .product--building::before { background: var(--teal); }
html[data-theme="F"] .product--horizon::before { background: var(--mustard); }
html[data-theme="F"] .product:hover { background: var(--paper); }
html[data-theme="F"] .product__name {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.018em;
  color: var(--ink);
  text-shadow: 3px 3px 0 var(--mustard);
}
html[data-theme="F"] .product--live .product__name { text-shadow: 3px 3px 0 var(--rust); }
html[data-theme="F"] .product__pill {
  font-family: var(--font-chunky);
  font-weight: 400;
  font-size: 0.65rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
html[data-theme="F"] .product__pill--live {
  background: var(--rust);
  color: var(--paper);
  border-color: var(--ink);
}
html[data-theme="F"] .product__pill-dot {
  background: var(--paper);
  border-radius: 0;
  box-shadow: none;
}
html[data-theme="F"] .product__since { color: var(--ink-mid); font-family: var(--font-mono); }
html[data-theme="F"] .product__link {
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 700;
  border-bottom: 2px solid var(--rust);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
html[data-theme="F"] .product__link:hover { color: var(--rust); }

/* --- Direction / footer ----------------------------------- */
html[data-theme="F"] .direction { border-top: 3px solid var(--ink); }
html[data-theme="F"] .direction__contact a {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
  border-bottom: 2px solid var(--rust);
  text-shadow: 2px 2px 0 var(--mustard);
}
html[data-theme="F"] .direction__contact a:hover { color: var(--rust); }
html[data-theme="F"] .footer { border-top: 3px solid var(--ink); background: var(--paper-deep); }
html[data-theme="F"] .footer .wordmark__text {
  font-family: var(--font-display);
  text-shadow: 2px 2px 0 var(--rust);
}

/* Pullquote rendered as a yellow comic caption box */
html[data-theme="F"] .opening__pullquote {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  background: var(--caption-yellow);
  border: 3px solid var(--ink);
  padding: 1.5rem 1.75rem;
  box-shadow: 6px 6px 0 0 var(--ink);
  color: var(--ink);
  border-top: 3px solid var(--ink);
  margin-top: 2.5rem;
  max-width: 36ch;
  position: relative;
  transform: rotate(-0.6deg);
}
html[data-theme="F"] .opening__pullquote::before {
  content: "“";
  position: absolute;
  top: -2.5rem;
  left: 0.75rem;
  font-size: 5rem;
  font-family: var(--font-display);
  color: var(--rust);
  line-height: 1;
}
html[data-theme="F"] .opening__pullquote em { color: var(--rust); }

html[data-theme="F"] .products__note {
  font-family: var(--font-display);
  font-weight: 400;
}
html[data-theme="F"] .products__note em { color: var(--rust); font-style: italic; }

/* =============================================================
   Theme F — Dark mode: night-print
   The same comic palette but on a deep navy night-paper, like
   a late-night re-reading of a 70s sci-fi paperback.
   ============================================================= */
html[data-theme="F"][data-mode="dark"] {
  --paper:        #131421;
  --paper-soft:   #1B1D2E;
  --paper-deep:   #0A0B14;
  --hairline:     #EDE2C4;
  --rule:         #EDE2C4;
  --rule-strong:  #FFFFFF;

  --ink:          #EDE2C4;
  --ink-soft:     #C9BD9F;
  --ink-mid:      #998E72;
  --ink-faint:    #6B6147;

  --copper:       #FF7F4A;
  --copper-soft:  #FF9C70;
  --copper-deep:  #C04428;
  --copper-wash:  rgba(255, 127, 74, 0.12);
  --copper-hair:  rgba(255, 127, 74, 0.32);
  --copper-glow:  rgba(255, 127, 74, 0.06);

  --rust:         #FF7F4A;
  --teal:         #5EBFCC;
  --mustard:      #F2D14A;
  --caption-yellow: #F2D14A;
  color-scheme: dark;
}
html[data-theme="F"][data-mode="dark"] body::before {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(237, 226, 196, 0.08) 1px, transparent 1.4px),
    radial-gradient(900px 700px at 0% 0%, rgba(242, 209, 74, 0.14), transparent 70%),
    radial-gradient(800px 600px at 100% 100%, rgba(94, 191, 204, 0.10), transparent 70%);
  background-size: 5px 5px, 100% 100%, 100% 100%;
  mix-blend-mode: screen;
}
html[data-theme="F"][data-mode="dark"] .nav { background: rgba(19, 20, 33, 0.92); }
html[data-theme="F"][data-mode="dark"] .nav.is-scrolled { background: rgba(19, 20, 33, 0.96); }
html[data-theme="F"][data-mode="dark"] .display { text-shadow: 4px 4px 0 var(--rust); }
html[data-theme="F"][data-mode="dark"] .display em { text-shadow: 4px 4px 0 var(--ink); }
html[data-theme="F"][data-mode="dark"] .hero__title { text-shadow: 6px 6px 0 var(--rust), 12px 12px 0 var(--mustard); }
html[data-theme="F"][data-mode="dark"] .hero__title em { text-shadow: 6px 6px 0 var(--ink), 12px 12px 0 var(--teal); }
html[data-theme="F"][data-mode="dark"] .ledger__cell,
html[data-theme="F"][data-mode="dark"] .stats__cell,
html[data-theme="F"][data-mode="dark"] .principle,
html[data-theme="F"][data-mode="dark"] .audience { background: var(--paper-soft); box-shadow: 5px 5px 0 0 var(--ink); }
html[data-theme="F"][data-mode="dark"] .ledger__cell:hover,
html[data-theme="F"][data-mode="dark"] .stats__cell:hover,
html[data-theme="F"][data-mode="dark"] .principle:hover,
html[data-theme="F"][data-mode="dark"] .audience:hover { box-shadow: 8px 8px 0 0 var(--ink); }
html[data-theme="F"][data-mode="dark"] .ledger__cell::before,
html[data-theme="F"][data-mode="dark"] .stats__cell::before,
html[data-theme="F"][data-mode="dark"] .principle::before,
html[data-theme="F"][data-mode="dark"] .audience::before {
  background-image: radial-gradient(circle at 1.5px 1.5px, rgba(255, 127, 74, 0.34) 1.2px, transparent 1.6px);
}
html[data-theme="F"][data-mode="dark"] .schematic { background: var(--paper-soft); box-shadow: 8px 8px 0 0 var(--ink); }
html[data-theme="F"][data-mode="dark"] .schematic__head { background: var(--ink); color: var(--paper); }
html[data-theme="F"][data-mode="dark"] .schematic__name { color: var(--paper); }
html[data-theme="F"][data-mode="dark"] .schematic__sub { color: var(--mustard); }
html[data-theme="F"][data-mode="dark"] .foundations,
html[data-theme="F"][data-mode="dark"] .principles { background: var(--paper-deep); }
html[data-theme="F"][data-mode="dark"] .footer { background: var(--paper-deep); }
html[data-theme="F"][data-mode="dark"] .product { background: var(--paper-soft); }
html[data-theme="F"][data-mode="dark"] .product:hover { background: var(--paper); }
html[data-theme="F"][data-mode="dark"] .opening__pullquote {
  background: var(--mustard);
  color: var(--ink);
  box-shadow: 6px 6px 0 0 var(--ink);
}
html[data-theme="F"][data-mode="dark"] .opening__pullquote::before { color: var(--rust); }
html[data-theme="F"][data-mode="dark"] .product__pill {
  border-color: var(--ink);
  background: var(--paper);
  color: var(--ink);
}
html[data-theme="F"][data-mode="dark"] .body strong,
html[data-theme="F"][data-mode="dark"] .hero__lead strong {
  background: linear-gradient(180deg, transparent 65%, var(--mustard) 65%);
  color: var(--paper-deep);
}
html[data-theme="F"][data-mode="dark"] .schematic::before {
  background-image: radial-gradient(circle at 1.5px 1.5px, rgba(237, 226, 196, 0.10) 1.2px, transparent 1.6px);
}