:root {
  --bg: #0a0a0a;
  --bg-2: #111110;
  --fg: #e8e6e1;
  --fg-dim: #8a8883;
  --line: rgba(232, 230, 225, 0.08);
  --line-2: rgba(232, 230, 225, 0.14);
  --accent: #ff6a1f;
  --accent-hot: #ff8a3d;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, Segoe UI, Inter, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: auto; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- background layers ---------- */
#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
  transform: translateZ(0);
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(232, 230, 225, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 230, 225, 0.14) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
  opacity: 0.7;
  transform: translateZ(0);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  transform: translateZ(0);
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(to bottom, rgba(10,10,10,0.85), rgba(10,10,10,0));
  border-bottom: 1px solid transparent;
  transition: border-color 240ms ease, background 240ms ease;
}
.nav.scrolled {
  border-bottom-color: var(--line);
  background: rgba(10,10,10,0.94);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
}
.brand svg { color: var(--accent); }
.brand-sub { color: var(--fg-dim); margin-left: -4px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--fg-dim);
  position: relative;
  padding: 4px 0;
  transition: color 200ms ease;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms ease;
}
.nav-links a:hover::after { transform: scaleX(1); }

/* hamburger */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--fg);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: border-color 200ms ease;
}
.nav-toggle:hover { border-color: var(--accent); }
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 240ms ease, opacity 180ms ease;
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.status { display: inline-flex; align-items: center; gap: 8px; color: var(--fg-dim); }
.status .dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 10px #4ade80;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

/* ---------- layout ---------- */
main { position: relative; z-index: 10; }

.section {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 160px 32px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  contain: layout style;
}

.marker {
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  width: fit-content;
}
.marker span:first-child { color: var(--accent); }

/* ---------- hero ---------- */
.hero { padding-top: 200px; }
.headline {
  font-size: clamp(52px, 9vw, 140px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin: 0 0 40px;
  text-transform: none;
}
.headline .line { display: block; }
.headline .accent { color: var(--accent); font-style: italic; font-weight: 400; }

.lede {
  font-size: clamp(17px, 1.6vw, 22px);
  max-width: 640px;
  color: var(--fg);
  margin: 0 0 40px;
  will-change: transform;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--fg);
  transition: all 220ms ease;
}
.btn-primary {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hot); border-color: var(--accent-hot); transform: translateY(-1px); }
.btn-ghost:hover { border-color: var(--fg); color: var(--fg); }

.hero-meta {
  position: absolute;
  bottom: 60px;
  left: 32px;
  right: 32px;
  display: flex;
  gap: 32px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  text-transform: uppercase;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.hero-meta .live { color: var(--accent); }

.scroll-cue {
  position: absolute;
  bottom: 110px;
  right: 32px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.85;
  transition: color 200ms ease, opacity 200ms ease;
}
.scroll-cue:hover { color: var(--accent); opacity: 1; }
.scroll-cue-arrow {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, var(--fg-dim));
  position: relative;
  overflow: hidden;
}
.scroll-cue-arrow::before {
  content: "";
  position: absolute;
  top: -56px;
  left: 0;
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollDrip 2.2s ease-in-out infinite;
}
@keyframes scrollDrip {
  0% { top: -56px; }
  100% { top: 56px; }
}

/* ---------- capabilities ---------- */
.section-title {
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin: 0 0 56px;
  max-width: 1000px;
}
.accent { color: var(--accent); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 300ms ease, transform 300ms ease, box-shadow 300ms ease;
  opacity: 0;
  transform: translateY(40px);
  position: relative;
  overflow: hidden;
}
.card.in { opacity: 1; transform: translateY(0); }
.card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 320ms ease;
}
.card:hover { background: var(--bg-2); }
.card:hover::after { transform: scaleY(1); }
.card-id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 24px;
}
.card h3 {
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.card p { color: var(--fg-dim); margin: 0 0 24px; }

.spec { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.spec li {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
}
.spec li span:first-child { color: var(--fg-dim); text-transform: uppercase; }

/* ---------- problem (before/after with strong asymmetry) ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 56px;
  border: 1px solid var(--line);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.compare.in { opacity: 1; transform: translateY(0); }
.compare-col {
  padding: 40px 36px;
  min-height: 100%;
}
.compare-col.today {
  background: transparent;
  border-right: 1px solid var(--line);
}
.compare-col.kaldyne {
  background: linear-gradient(180deg, rgba(255, 106, 31, 0.06), transparent 60%);
  position: relative;
}
.compare-col.kaldyne::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
}
.compare-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 10px;
}
.compare-col.kaldyne .compare-label { color: var(--accent); }
.compare-head {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
}
.compare-col.today .compare-head { color: var(--fg-dim); }
.compare-col ul { list-style: none; margin: 0; padding: 0; }
.compare-col li {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}
.compare-col li:last-child { border-bottom: none; }
.compare-col.today li {
  font-family: var(--mono);
  color: var(--fg-dim);
  text-decoration: line-through;
  text-decoration-color: rgba(232, 230, 225, 0.3);
  letter-spacing: 0;
}
.compare-col.kaldyne li {
  color: var(--fg);
  padding-left: 28px;
  position: relative;
  border-bottom-style: solid;
}
.compare-col.kaldyne li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 16px;
  height: 1px;
  background: var(--accent);
}

/* ---------- platform architecture diagram ---------- */
.arch {
  margin: 56px 0 80px;
  padding: 40px 32px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, transparent 0%, rgba(255, 106, 31, 0.025) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.arch.in { opacity: 1; transform: translateY(0); }
.arch-edge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.arch-edge-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.arch-edge-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.arch-edge-chips span {
  padding: 6px 14px;
  border: 1px solid var(--line-2);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
  transition: border-color 200ms ease, color 200ms ease;
}
.arch-edge-chips span:hover { color: var(--fg); border-color: var(--fg-dim); }
.arch-edge-chips span.chip-accent {
  border-color: rgba(255, 106, 31, 0.5);
  color: var(--accent);
}
.arch-edge-chips span.chip-accent:hover { border-color: var(--accent); }
.arch-flow {
  width: 1px;
  height: 40px;
  margin: 0 auto;
  position: relative;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
}
.arch-flow::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 6px solid var(--accent);
}
.arch-stack {
  display: flex;
  flex-direction: column;
}
.arch-layer {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 28px;
  border: 1px solid var(--line);
  background: var(--bg);
  transition: border-color 240ms ease, background 240ms ease;
}
.arch-layer:hover {
  border-color: var(--accent);
  background: var(--bg-2);
}
.arch-layer + .arch-layer { border-top: none; }
.arch-layer-num {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.arch-layer-name {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.arch-layer-sub {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
@media (max-width: 640px) {
  .arch { padding: 28px 16px; }
  .arch-layer {
    grid-template-columns: 48px 1fr;
    gap: 14px;
    padding: 16px 18px;
  }
  .arch-layer-sub { grid-column: 2; margin-top: 2px; }
  .arch-layer-num { font-size: 24px; }
}

/* ---------- sectors ---------- */
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 48px;
}
.sector {
  background: var(--bg);
  padding: 32px 28px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms ease, transform 600ms ease, background 300ms ease;
}
.sector.in { opacity: 1; transform: translateY(0); }
.sector:hover { background: var(--bg-2); }
.sector-id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 22px;
}
.sector h3 {
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.sector p {
  color: var(--fg-dim);
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.55;
}
.sector-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sector-tags span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--line-2);
  color: var(--fg-dim);
}

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-copy p { color: var(--fg-dim); max-width: 560px; }
.about-copy .lede { color: var(--fg); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.stat {
  background: var(--bg);
  padding: 28px 24px;
}
.stat strong {
  display: block;
  font-size: 56px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

/* ---------- contact ---------- */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 780px;
  margin-bottom: 40px;
}
.contact-form label { display: flex; flex-direction: column; gap: 8px; }
.contact-form .full { grid-column: 1 / -1; }
.contact-form span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.contact-form input,
.contact-form textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-2);
  color: var(--fg);
  padding: 12px 0;
  font: inherit;
  outline: none;
  transition: border-color 200ms ease;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }

.role-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.role {
  position: relative;
  cursor: pointer;
}
.role input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.role span {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  transition: all 180ms ease;
}
.role:hover span { color: var(--fg); border-color: var(--fg-dim); }
.role input:checked + span {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(255, 106, 31, 0.08);
}
.role input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* honeypot — visually and positionally hidden, but NOT display:none
   (some bots skip display:none fields) */
.hp {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.contact-form button { justify-self: start; margin-top: 8px; }
.form-ok {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0;
}

.contact-direct {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  display: flex;
  gap: 16px;
  text-transform: uppercase;
}
.contact-direct a { color: var(--accent); }

/* ---------- footer ---------- */
.footer {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 32px 32px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}
.footer-brand { max-width: 320px; }
.footer-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg);
  margin-bottom: 16px;
}
.footer-wordmark svg { color: var(--accent); }
.footer-tagline {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin: 0 0 16px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  color: var(--fg);
  font-size: 14px;
  padding: 6px 0;
  transition: color 180ms ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-dim);
  text-transform: uppercase;
  align-items: center;
}
.footer-meta a { color: var(--accent); }
.footer-meta a:hover { color: var(--accent-hot); }
.footer-meta .sep { color: var(--line-2); }

@media (max-width: 720px) {
  .footer { padding: 56px 20px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .footer-meta { gap: 12px; }
}
@media (max-width: 520px) {
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}
[data-reveal].in { opacity: 1; transform: translateY(0); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .nav { padding: 14px 20px; }
  .nav .status { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 19;
    flex-direction: column;
    gap: 0;
    padding: 16px 20px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 240ms ease, opacity 200ms ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    letter-spacing: 0.14em;
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a::after { display: none; }

  .section { padding: 120px 20px; }
  .hero { padding-top: 140px; }
  .hero-meta { left: 20px; right: 20px; font-size: 10px; gap: 12px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .compare-col.today { border-right: none; border-bottom: 1px solid var(--line); }
  .compare-col { padding: 28px 24px; }
  .scroll-cue { display: none; }
  .footer { flex-direction: column; gap: 12px; padding: 24px 20px; text-align: center; }
}

@media (max-width: 520px) {
  .brand-sub { display: none; }
  .stat strong { font-size: 42px; }
  .headline { font-size: clamp(44px, 11vw, 80px); }
  .section-title { font-size: clamp(30px, 7vw, 48px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}