/* ======================================================================
   HUECAST LANDING PAGE
   Sky colours come from ../css/tokens.css; the page chrome below.
   ====================================================================== */
@property --from { syntax: '<color>'; inherits: false; initial-value: #1b1b1b; }
@property --to   { syntax: '<color>'; inherits: false; initial-value: #2f2f2f; }

:root {
  --page: #0e0e0f;
  --panel: #141416;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f4f4f5;
  --text-soft: #a1a1a8;
  --text-faint: #6b6b73;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
  --gutter: max(16px, env(safe-area-inset-left), env(safe-area-inset-right));
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { background: var(--page); scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; }
strong { color: var(--text); font-weight: 600; }
kbd {
  font: 500 12px/1 'Inter', system-ui, sans-serif;
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
}
code { font-size: 0.92em; padding: 1px 5px; border-radius: 4px; background: rgba(0, 0, 0, 0.12); }

:focus-visible { outline: 1.5px solid var(--text); outline-offset: 3px; border-radius: 6px; }

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 8px 12px;
  background: var(--text);
  color: var(--page);
  border-radius: 8px;
  z-index: 100;
}
.skip:focus { left: 8px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s, transform 0.2s var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn--sm { height: 32px; padding: 0 14px; font-size: 13px; }
.btn--light { background: var(--text); color: var(--page); }
.btn--light:hover { background: #fff; }
.btn--ghost { box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.06); }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(14, 14, 15, 0.72);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand img { border-radius: 6px; }

.nav__links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 13px;
  color: var(--text-soft);
}
.nav__links a:hover { color: var(--text); }

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__inner .btn { margin-left: auto; }
}

/* ---- Hero ---- */
.hero { padding-top: 88px; }

.hero__title {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(40px, 7vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 600;
}

.hero__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin: 22px 0 56px;
}

.hero__lead {
  margin: 0;
  max-width: 46ch;
  color: var(--text-soft);
  font-size: 17px;
}

.hero__new {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  font-size: 13px;
  color: var(--text-soft);
}
.hero__new:hover { color: var(--text); }

.pill {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--page);
  background: var(--temp-hot);
}

@media (max-width: 720px) {
  .hero { padding-top: 56px; }
  .hero__row { flex-direction: column; align-items: flex-start; margin-bottom: 36px; }
}

/* the real app, in a window */
.window {
  position: relative;
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 0 0 1px var(--line-strong), 0 40px 120px -20px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  transform: perspective(1800px) rotateX(var(--tilt, 0deg));
  transform-origin: top center;
  transition: transform 0.2s linear;
}

.window::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.window__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
}
.window__bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.12); }
.window__url {
  margin: 0 auto;
  padding: 3px 14px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-faint);
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(-24px);
}

.window__screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(-65deg, var(--time-dusk), var(--temp-very-hot));
}

.window__screen iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 720px) {
  .window { max-width: 420px; margin: 0 auto; border-radius: 28px; padding: 8px; }
  .window__bar { display: none; }
  .window__screen { aspect-ratio: 9 / 17; border-radius: 22px; overflow: hidden; }
}

.hero__hint {
  margin: 16px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--text-faint);
}

/* ---- Facts strip ---- */
.facts { padding-top: 72px; }
.facts ul {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.facts li { display: flex; flex-direction: column; gap: 2px; }
.facts b { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.facts span { font-size: 12px; color: var(--text-faint); }
@media (max-width: 820px) { .facts ul { grid-template-columns: repeat(3, 1fr); row-gap: 24px; } }
@media (max-width: 460px) { .facts ul { grid-template-columns: repeat(2, 1fr); } }

/* ---- Statement ---- */
.statement { padding-top: 140px; }

.big {
  margin: 0;
  max-width: 30ch;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--text-faint);
}
.big strong { color: var(--text); font-weight: 500; }

.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
  border-top: 1px solid var(--line);
}

.trio figure {
  margin: 0;
  padding: 28px 28px 0 0;
}
.trio figure + figure { padding-left: 28px; border-left: 1px solid var(--line); }

.trio__art {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  isolation: isolate;
}

.trio figcaption {
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-soft);
}
.trio figcaption span { display: block; font-size: 12px; color: var(--text-faint); margin-bottom: 8px; }
.trio figcaption b { display: block; color: var(--text); font-weight: 500; }

@media (max-width: 760px) {
  .trio { grid-template-columns: 1fr; }
  .trio figure, .trio figure + figure { padding: 28px 0 0; border-left: 0; }
  .trio figure + figure { margin-top: 12px; border-top: 1px solid var(--line); }
}

/* ---- Feature sections ---- */
.feature { padding-top: 160px; }

.feature__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.feature__head h2 {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.dot {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 18px var(--c);
}

.feature__head p { margin: 0; color: var(--text-soft); font-size: 16px; max-width: 46ch; }
.feature__head > div { padding-top: 28px; }

.more {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-soft);
}
.more:hover { color: var(--text); }

@media (max-width: 760px) {
  .feature { padding-top: 112px; }
  .feature__head { grid-template-columns: 1fr; gap: 0; }
  .feature__head > div { padding-top: 16px; }
}

.panel {
  position: relative;
  padding: 20px;
  border-radius: 16px;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
}

.subs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 28px;
}
.subs span { display: block; font-size: 12px; color: var(--text-faint); margin-bottom: 6px; }
.subs b { font-weight: 500; font-size: 14px; }
.subs p { margin: 2px 0 0; font-size: 14px; color: var(--text-soft); }
@media (max-width: 640px) { .subs { grid-template-columns: 1fr; gap: 18px; } }

/* ---- Sky stage (gradient + canvas + orb) ---- */
.stage,
.trio__art,
.extreme {
  --from: var(--bg);
  --to: var(--bg-raised);
  background: linear-gradient(-65deg, var(--from), var(--to));
  transition: --from 0.6s var(--ease), --to 0.6s var(--ease);
}

.stage {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  isolation: isolate;
  min-height: 260px;
}

.stage canvas,
.trio__art canvas,
.extreme canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.sky__veil {
  position: absolute;
  inset: 0;
  background: var(--veil);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.sky__halo {
  position: absolute;
  left: 50%;
  top: 42%;
  width: calc(var(--orb) * 2.9);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(closest-side,
    transparent 80%, var(--halo-warm) 85%, var(--halo-white) 88.5%, var(--halo-cool) 92%, transparent 96%);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
  pointer-events: none;
}

.sky__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  z-index: 3;
  text-align: center;
  color: var(--sky-ink, var(--ink));
  transition: color 0.4s;
}
.sky__caption b {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.sky__caption small { display: block; margin-top: 4px; font-size: 12px; opacity: 0.75; font-variant-numeric: tabular-nums; }

/* sun and moon: same drawing as the app */
.orb {
  position: absolute;
  left: 50%;
  top: 42%;
  width: var(--orb);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 1;
}
.orb--sun { background: var(--sun); }
.orb--sun.is-shining::before {
  content: '';
  position: absolute;
  inset: -110%;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--sun-glow-inner) 30%, var(--sun-glow-outer) 55%, var(--sun-glow-end) 100%);
}
.orb--sun.is-blazing::before { inset: -150%; }
.orb--sun.is-veiled { background: var(--sun-veiled); filter: blur(1px); }
.orb--moon {
  box-shadow: inset 0 0 0 3px var(--sun);
  background: var(--moon-fill);
  animation: opacityMoon 3s ease-out infinite;
}
.orb i {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--sun);
  animation: pulse 3s ease-out infinite;
}
.orb i.big { animation-name: pulse2x; }

.trio__art { --orb: 22%; }
.trio__art .orb, .trio__art .sky__halo { top: 46%; }
.stage { --orb: clamp(56px, 11vw, 120px); }

/* mix stage: scales on the left, the sky they make on the right */
.panel:has(.stage--mix) {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 28px;
  align-items: center;
}
.stage--mix { aspect-ratio: 4 / 3; }

@media (max-width: 760px) {
  .panel:has(.stage--mix) { grid-template-columns: 1fr; }
}

.scales { padding: 8px 4px; }
.scale + .scale { margin-top: 28px; }
.scale__label,
.scale__ticks {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-soft);
  font-variant-numeric: tabular-nums;
}
.scale__label span:last-child { color: var(--text); font-weight: 500; }
.scale__ticks { color: var(--text-faint); }
.scale__bar {
  position: relative;
  height: 32px;
  margin: 10px 0 6px;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px var(--line-strong);
  cursor: ew-resize;
  touch-action: none;
}
.scale__knob {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 4px;
  margin-left: -2px;
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}
.scales__hint { margin: 24px 0 0; font-size: 12px; color: var(--text-faint); }

/* weather tabs */
.stage--wide { aspect-ratio: 21 / 9; }
@media (max-width: 640px) { .stage--wide { aspect-ratio: 4 / 5; } }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.tab {
  height: 32px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  font: 500 13px/1 'Inter', system-ui, sans-serif;
  color: var(--text-soft);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--page); background: var(--text); box-shadow: none; }

/* timeline */
.tl { padding: 18px 4px 4px; }
.tl__label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}
.tl__track {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 92px;
  padding: 16px 0 12px;
  touch-action: none;
  cursor: ew-resize;
}
.tl__track:focus-visible { outline-offset: 6px; }
.tl__track::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5px;
  height: 2px;
  background: var(--night, none);
}
.bar {
  position: relative;
  flex: 1;
  min-height: 4px;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px var(--bar-stroke);
  transition: transform 0.2s var(--ease);
  transform-origin: bottom;
}
.bar.is-selected {
  box-shadow: inset 0 0 0 1px var(--bar-stroke-selected), 0 0 0 1.5px var(--ink);
  transform: scaleY(1.1);
}
.bar__wx {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 4px);
  transform: translateX(-50%);
  display: flex;
  gap: 2px;
}
.bar__wx i { width: 1px; height: 6px; background: var(--ink-soft); }
.tl__night { position: relative; height: 0; }
.night-mark {
  position: absolute;
  top: -10.5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.night-mark--moon { box-shadow: inset 0 0 0 1.2px var(--ink-soft); transform: translateX(calc(-100% - 2px)); }
.night-mark--sun { background: var(--ink-soft); transform: translateX(2px); }

.roll { position: relative; display: inline-block; white-space: pre; vertical-align: bottom; clip-path: inset(0 -0.6em); }
.roll__in { display: inline-block; }
.roll__out { position: absolute; left: 0; top: 0; }

/* explore grid */
.extremes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.extreme {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 14px;
  overflow: hidden;
  isolation: isolate;
  --orb: 28%;
  box-shadow: inset 0 0 0 1px var(--line);
}
.extreme .orb, .extreme .sky__halo { top: 38%; }
.extreme .sky__caption { bottom: 14px; }
.extreme .sky__caption b { font-size: 11px; letter-spacing: 0.16em; }
@media (max-width: 760px) { .extremes { grid-template-columns: repeat(2, 1fr); } }

/* ---- Changelog ---- */
.changelog { padding-top: 160px; }
.changelog h2 { margin: 0 0 40px; font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -0.025em; font-weight: 600; }
.log {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.log li { position: relative; padding: 28px 24px 0 0; }
.log li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.log__swatch {
  display: block;
  width: 28px;
  height: 28px;
  margin-bottom: 18px;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
.log time { display: block; font-size: 12px; color: var(--text-faint); }
.log b { display: block; margin-top: 4px; font-weight: 500; }
.log p { margin: 6px 0 0; font-size: 14px; color: var(--text-soft); }
@media (max-width: 820px) {
  .log { grid-template-columns: 1fr 1fr; }
  .log li:nth-child(3) { padding-left: 0; border-left: 0; }
  .log li:nth-child(n+3) { margin-top: 28px; border-top: 1px solid var(--line); }
}
@media (max-width: 480px) {
  .log { grid-template-columns: 1fr; }
  .log li, .log li + li { padding-left: 0; border-left: 0; }
  .log li + li { margin-top: 28px; border-top: 1px solid var(--line); }
}

/* ---- Cards ---- */
.cards {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 12px;
  padding-top: 120px;
}
.card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 300px;
  padding: 28px;
  border-radius: 16px;
  color: var(--ink-dark);
}
.card--sky { background: linear-gradient(-65deg, var(--temp-warm), var(--time-morning)); }
.card--noon { background: var(--time-morning); }
.card__quote { margin: 0; max-width: 22ch; font-size: clamp(22px, 2.6vw, 28px); line-height: 1.2; letter-spacing: -0.02em; font-weight: 500; }
.card__foot { display: flex; align-items: center; gap: 12px; margin-top: 40px; font-size: 13px; }
.card__foot b { display: block; font-weight: 600; }
.card__foot small { display: block; font-size: 12px; opacity: 0.75; }
.card__icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.08);
  font-size: 15px;
}
.cards__note { margin-top: 20px; font-size: 13px; color: var(--text-faint); }
.cards__note a { color: var(--text-soft); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-strong); }
@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 220px; }
}

/* ---- CTA ---- */
.cta {
  position: relative;
  margin-top: 160px;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stage--cta {
  position: absolute;
  inset: 0;
  border-radius: 0;
  --orb: 90px;
  opacity: 0.9;
}
.stage--cta .orb, .stage--cta .sky__halo { left: var(--ox, 50%); top: var(--oy, 22%); }
.stage--cta .orb { opacity: var(--oo, 1); }
.stage--cta::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(to bottom, transparent 30%, rgba(14, 14, 15, 0.55));
}
.cta__inner { position: relative; z-index: 4; text-align: center; padding: 160px var(--gutter) 64px; color: var(--cta-ink, var(--text)); transition: color 0.6s; }
.cta__now {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.cta__now i { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: 0.6; }
.cta__now span { display: inline-block; }
#cta-time { min-width: 3.4em; }
#cta-temp { min-width: 2.4em; }
.cta h2 {
  margin: 0;
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 600;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.25);
}
.cta__btns { display: flex; justify-content: center; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.cta .btn--ghost { color: var(--text); background: rgba(14, 14, 15, 0.35); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

/* ---- Footer ---- */
.foot {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 24px;
  padding-top: 72px;
  padding-bottom: max(48px, env(safe-area-inset-bottom));
  font-size: 13px;
}
.foot h3 { margin: 0 0 14px; font-size: 13px; font-weight: 500; }
.foot__col { display: flex; flex-direction: column; gap: 10px; }
.foot__col a { color: var(--text-soft); }
.foot__col a:hover { color: var(--text); }
.foot__brand img { border-radius: 5px; }
.foot__legal { grid-column: 1 / -1; margin: 48px 0 0; font-size: 12px; color: var(--text-faint); }
@media (max-width: 720px) {
  .foot { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1 / -1; }
}

/* ---- Reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@keyframes pulse {
  0%   { transform: scale(0);   opacity: 0; }
  45%  { transform: scale(0.9); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}
@keyframes pulse2x {
  0%   { transform: scale(0);   opacity: 0; }
  45%  { transform: scale(0.9); opacity: 0.5; }
  100% { transform: scale(2.4); opacity: 0; }
}
@keyframes opacityMoon {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.9; }
  60%      { opacity: 0.6; }
}

@media (prefers-reduced-motion: reduce) {
  .orb i, .orb--moon { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .window { transform: none; }
}