/* ============================================================
   Alis — site styles
   Extracted from the "Alis About" design canvas artboard.
   Palette: ice #eef8fb · cyan #90e0ef · ink #0a0c10 · red #c8102e
   ============================================================ */

:root {
  color-scheme: light;

  /* ---- Semantic surfaces ---- */
  --paper:      #eef8fb;   /* page ground                        */
  --surface:    #eef8fb;   /* gridline cards, flush on light     */
  --band:       #90e0ef;   /* hero + CTA bands — the signature   */
  --panel:      rgba(144, 224, 239, 0.35);
  --header-bg:  rgba(238, 248, 251, 0.92);
  --band-edge:  rgba(var(--ink-rgb), 0.16);

  /* ---- Ink ----
     One hue, many alphas. Swapping --ink-rgb flips every muted
     value in the sheet, which is what makes the dark theme cheap. */
  --ink-rgb:    10, 12, 16;
  --ink:        rgb(var(--ink-rgb));
  --ink-82:     rgba(var(--ink-rgb), 0.82);
  --ink-80:     rgba(var(--ink-rgb), 0.80);
  --ink-78:     rgba(var(--ink-rgb), 0.78);
  --ink-70:     rgba(var(--ink-rgb), 0.70);
  --ink-62:     rgba(var(--ink-rgb), 0.62);
  --ink-58:     rgba(var(--ink-rgb), 0.58);
  --rule:       rgba(var(--ink-rgb), 0.14);
  --rule-strong: rgba(var(--ink-rgb), 0.16);

  /* ---- Accent ---- */
  --accent:     #c8102e;

  /* ---- Solid button ---- */
  --btn-solid-bg:       var(--ink);
  --btn-solid-fg:       var(--paper);
  --btn-solid-hover-bg: var(--accent);
  --btn-solid-hover-fg: #ffffff;

  /* ---- Logo plate ----
     The mark is light artwork on an opaque dark ground, so on a light
     page it is inverted and multiplied (white drops out). */
  --logo-filter: invert(1);
  --logo-blend:  multiply;

  /* ---- Splash ---- */
  --splash-gradient: radial-gradient(120% 90% at 50% 8%, #b4ecf6 0%, #90e0ef 52%, #64ccdf 100%);
  --splash-alembic:  #05070f;

  /* ---- Selection ---- */
  --select-bg:  var(--band);
  --select-fg:  var(--ink);

  /* ---- Type ---- */
  --display:    "Bodoni Moda", Georgia, serif;
  --serif:      "Cardo", Georgia, serif;
  --mono:       "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* ---- Geometry ---- */
  --shell:      1120px;
  --gutter:     32px;
}

/* Dark theme — opt-in only. Light is the default; the OS preference is
   deliberately not followed, so the brand ground is the same for everyone
   until a visitor asks for dark. */
:root[data-theme="dark"] {
  color-scheme: dark;

  --paper:      #100a08;   /* twilight --obsidian   */
  --surface:    #100a08;   /* flush with the page, as on light  */
  --band:       #1a1310;   /* twilight --obsidian-2 panel       */
  --panel:      rgba(37, 27, 22, 0.75);   /* twilight --obsidian-3 lift */
  --header-bg:  rgba(16, 10, 8, 0.92);
  --band-edge:  rgba(138, 23, 34, 0.55);   /* twilight --blood hairline */

  --ink-rgb:    236, 226, 200;   /* twilight --bone */

  --accent:     #cf5563;   /* twilight --blood-2, lifted to 4.8:1 on obsidian
                              (#b53344 as published is 3.3:1 — fails on the § labels) */

  --btn-solid-bg:       rgb(var(--ink-rgb));
  --btn-solid-fg:       var(--paper);
  --btn-solid-hover-bg: #8a1722;   /* twilight --blood */
  --btn-solid-hover-fg: rgb(var(--ink-rgb));

  /* Dark ground: leave the artwork light and let screen drop the plate. */
  --logo-filter: none;
  --logo-blend:  screen;

  --splash-gradient: radial-gradient(120% 90% at 50% 8%, #251b16 0%, #1a1310 52%, #100a08 100%);
  --splash-alembic:  rgb(var(--ink-rgb));

  --select-bg:  #8a1722;
  --select-fg:  rgb(var(--ink-rgb));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--accent); }

img { max-width: 100%; }

::selection { background: var(--select-bg); color: var(--select-fg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Layout ---------------------------------------------------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section { padding-top: 88px; }

/* Shared type ----------------------------------------------- */

.eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ink-70);
}

.sec-label {
  margin: 0;
  font-weight: 400;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Header ---------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.site-header .shell {
  padding-top: 10px;
  padding-bottom: 10px;
  min-height: 74px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  object-fit: contain;
  filter: var(--logo-filter);
  mix-blend-mode: var(--logo-blend);
}
.brand-name {
  font-family: var(--display);
  font-style: italic;
  font-size: 27px;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 10px clamp(16px, 2.2vw, 32px);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.nav a { color: var(--ink-62); }
.nav a:hover { color: var(--accent); }

.nav .is-current {
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav .is-current .heart {
  width: 9px;
  height: 9px;
  color: var(--accent);
  flex: 0 0 auto;
}

.nav .nav-cta {
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 11px 18px;
  letter-spacing: 0.18em;
  white-space: nowrap;
  transition: color .15s ease;
}
.nav .nav-cta:hover { color: var(--accent); }

/* Hero ------------------------------------------------------ */

.hero {
  background: var(--band);
  border-bottom: 1px solid var(--band-edge);
}
.hero .shell {
  padding-top: 88px;
  padding-bottom: 92px;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(42px, 5.6vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 22px 0 0;
  max-width: 24ch;
  text-wrap: balance;
}
.hero .lede {
  font-family: var(--serif);
  font-size: clamp(18px, 1.9vw, 21px);
  line-height: 1.65;
  color: var(--ink-82);
  margin: 24px 0 0;
  max-width: 58ch;
  text-wrap: pretty;
}

/* Two-column prose ------------------------------------------ */

.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 44px 56px;
  align-items: start;
}
.col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.col p {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.7;
  margin: 0;
  text-wrap: pretty;
}
.col p + p {
  font-size: 18px;
  color: var(--ink-80);
}

/* Ruled section heading ------------------------------------- */

.rule-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 18px;
}
.rule-head h2 {
  font-family: var(--display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

/* Gridline cards -------------------------------------------- */

.cells {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1px;
  background: var(--rule-strong);
  margin-top: 1px;
}
.cell {
  background: var(--surface);
  padding: 32px 30px 38px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cell h3 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin: 0;
}
.cell p {
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--ink-78);
  margin: 0;
  text-wrap: pretty;
}

/* CTA band -------------------------------------------------- */

.cta-band {
  margin-top: 88px;
  background: var(--band);
  border-top: 1px solid var(--band-edge);
  border-bottom: 1px solid var(--band-edge);
}
.cta-band .shell {
  padding-top: 80px;
  padding-bottom: 80px;
  text-align: center;
}
.cta-band h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 auto;
  max-width: 24ch;
  text-wrap: balance;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 16px 32px;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-solid {
  background: var(--btn-solid-bg);
  color: var(--btn-solid-fg);
}
.btn-solid:hover {
  background: var(--btn-solid-hover-bg);
  color: var(--btn-solid-hover-fg);
}
.btn-outline {
  border: 1px solid rgba(var(--ink-rgb), 0.5);
  color: var(--ink);
}
.btn-outline:hover {
  border-color: var(--ink);
  background: rgba(var(--ink-rgb), 0.06);
  color: var(--ink);
}

/* Footer ---------------------------------------------------- */

.site-footer .shell {
  padding-top: 34px;
  padding-bottom: 44px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-58);
}
.footer-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-mark .alembic {
  width: 10px;
  height: 10px;
  color: var(--ink);
  flex: 0 0 auto;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}
.footer-links a { color: var(--ink-58); }
.footer-links a:hover { color: var(--accent); }

/* Narrow viewports ------------------------------------------ */

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  .section { padding-top: 64px; }
  .hero .shell { padding-top: 64px; padding-bottom: 68px; }
  .cta-band { margin-top: 64px; }
  .cta-band .shell { padding-top: 60px; padding-bottom: 60px; }
  .cta-row .btn { flex: 1 1 100%; text-align: center; }
}

/* ============================================================
   Section rhythm modifiers
   ============================================================ */

.section--sm { padding-top: 84px; }
.section--lg { padding-top: 96px; }
.cta-band--lg { margin-top: 96px; }

/* ============================================================
   Home — centred hero with the arch plate
   ============================================================ */

.hero--center {
  position: relative;
  overflow: hidden;
}
.hero--center .shell {
  position: relative;
  padding-top: 104px;
  padding-bottom: 112px;
  text-align: center;
}
.hero-arch {
  position: absolute;
  top: 168px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  max-width: 96%;
  color: rgba(var(--ink-rgb), 0.16);
  pointer-events: none;
}
.hero-arch svg { width: 100%; height: 100%; }

.hero--center h1 {
  font-size: clamp(46px, 6.4vw, 92px);
  line-height: 1;
  margin: 26px auto 0;
  max-width: 17ch;
}
.hero--center .lede {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
  margin: 26px auto 0;
  max-width: 60ch;
}
.hero--center .cta-row { margin-top: 38px; }
.hero--center .btn { padding: 16px 30px; }

/* ============================================================
   Numbered steps
   ============================================================ */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1px;
  background: var(--rule-strong);
  margin-top: 1px;
}
.step {
  background: var(--surface);
  padding: 34px 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step-num {
  font-family: var(--display);
  font-size: 42px;
  line-height: 1;
  color: rgba(var(--ink-rgb), 0.28);
}
.step h3 {
  margin: 0;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}
.step p {
  margin: 0;
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--ink-78);
  text-wrap: pretty;
}

/* ============================================================
   Spec strip
   ============================================================ */

.spec-strip {
  margin: 44px 0 0;
  border: 1px solid rgba(var(--ink-rgb), 0.2);
  background: var(--panel);
  padding: 26px 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 48px;
}
.spec-strip > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.spec-strip dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(var(--ink-rgb), 0.6);
}
.spec-strip dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
}

/* ============================================================
   Feature list
   ============================================================ */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 44px 56px;
  padding-top: 44px;
}
.feature {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature h3 {
  margin: 0;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.feature h3 .lozenge {
  width: 9px;
  height: 9px;
  color: var(--accent);
  flex: 0 0 auto;
}
.feature p {
  margin: 0;
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--ink-78);
  max-width: 46ch;
  text-wrap: pretty;
}

/* CTA band extras ------------------------------------------- */

.cta-band .lede {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-82);
  margin: 22px auto 0;
  max-width: 52ch;
  text-wrap: pretty;
}
.cta-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(var(--ink-rgb), 0.6);
}

/* ============================================================
   Pricing — rate card
   ============================================================ */

.rate-card { --cols: 1.6fr 1fr 1fr; }

.rate-head,
.rate-row {
  display: grid;
  grid-template-columns: var(--cols);
  gap: 0 24px;
}
.rate-head {
  padding: 20px 0 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(var(--ink-rgb), 0.6);
  border-bottom: 1px solid var(--rule-strong);
}
.rate-row {
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.1);
}
.rate-name {
  font-family: var(--serif);
  font-size: 19px;
}
.rate-num {
  text-align: right;
  font-family: var(--mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.rate-head .rate-num { font-size: 10px; }
.rate-num--muted { color: var(--ink-62); }

.fineprint {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink-70);
  margin: 20px 0 0;
  max-width: 68ch;
  text-wrap: pretty;
}

/* ============================================================
   Pricing — estimator
   ============================================================ */

.estimator {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 48px;
  align-items: start;
  padding-top: 40px;
}
.controls {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.control {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.control-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}
.control-label output { color: var(--ink-62); }

.control input[type="range"] {
  width: 100%;
  height: 22px;
  cursor: pointer;
  accent-color: var(--accent);
}

.estimate {
  border: 1px solid rgba(var(--ink-rgb), 0.2);
  background: var(--panel);
  padding: 32px 30px 34px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.estimate-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(var(--ink-rgb), 0.65);
}
.estimate-total {
  font-family: var(--display);
  font-size: clamp(46px, 6vw, 76px);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.estimate-compute {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--ink-70);
  margin-top: 10px;
  white-space: pre-wrap;
}
.estimate-note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  line-height: 1.55;
  color: rgba(var(--ink-rgb), 0.72);
  margin: 14px 0 0;
  text-wrap: pretty;
}

/* ============================================================
   Pricing — not metered
   ============================================================ */

.notmetered {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 30px 48px;
  padding-top: 36px;
}
.notmetered > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.notmetered h3 {
  margin: 0;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.notmetered p {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-78);
  text-wrap: pretty;
}

/* ============================================================
   Splash
   ============================================================ */

body.splash {
  background: var(--band);
  overflow-x: hidden;
}
.splash-wrap {
  min-height: 100dvh;
  background: var(--splash-gradient);
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
}
.splash-main {
  position: relative;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(20px, 4vh, 48px) 32px;
}
.splash-arch {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -52%);
  width: 880px;
  max-width: 94%;
  height: 540px;
  color: rgba(var(--ink-rgb), 0.85);
  pointer-events: none;
}
.splash-arch svg { width: 100%; height: 100%; }

.splash-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 2.4vh, 24px);
  margin-top: clamp(40px, 16vh, 130px);
}
.splash-inner h1 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(60px, 8.4vw, 116px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
}
.splash-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.splash-ornament .line {
  height: 1px;
  width: 96px;
  background: rgba(var(--ink-rgb), 0.45);
}
.splash-ornament svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}
.splash-ornament .heart { color: var(--accent); }
.splash-ornament .alembic { color: var(--splash-alembic); }

.splash-tagline {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: rgba(var(--ink-rgb), 0.72);
}
.splash-logo {
  width: clamp(110px, 20vh, 190px);
  aspect-ratio: 1;
  object-fit: contain;
  filter: var(--logo-filter);
  mix-blend-mode: var(--logo-blend);
  margin-top: clamp(4px, 1.6vh, 18px);
}

.splash-footer { padding: 0 40px 40px; }
.splash-footer > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(var(--ink-rgb), 0.2);
  padding-top: 20px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(var(--ink-rgb), 0.55);
}

/* Narrow viewports — additions -------------------------------- */

@media (max-width: 640px) {
  .section--sm, .section--lg { padding-top: 64px; }
  .cta-band--lg { margin-top: 64px; }
  .hero--center .shell { padding-top: 72px; padding-bottom: 80px; }
  .rate-card { --cols: 1fr auto; }
  .rate-head .rate-hour, .rate-row .rate-hour { display: none; }
  .estimator { gap: 36px; }
  .splash-footer { padding: 0 20px 28px; }
}

/* Steps render as an ordered list -------------------------- */
.steps { list-style: none; margin: 1px 0 0; padding: 0; }

/* ============================================================
   Theme toggle
   ============================================================ */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid rgba(var(--ink-rgb), 0.28);
  color: var(--ink-62);
  font: inherit;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.theme-toggle svg {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
}

/* The head script resolves the theme to an explicit data-theme before
   paint, so these can key purely off the attribute. */
.theme-toggle .to-dark { display: inline-flex; }
.theme-toggle .to-light { display: none; }
:root[data-theme="dark"] .theme-toggle .to-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .to-light { display: inline-flex; }

.theme-toggle .label-dark { display: inline; }
.theme-toggle .label-light { display: none; }
:root[data-theme="dark"] .theme-toggle .label-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .label-light { display: inline; }