/* Infalytics landing page v2. Dark control-room look with depth.
   Tokens follow the Infalytics design system (dark theme); layout: bento grid + layered 3D report stack. */

@font-face { font-family: "IBM Plex Sans"; src: url(assets/fonts/IBMPlexSans-Variable.woff2) format("woff2"); font-weight: 400 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(assets/fonts/IBMPlexMono-Regular.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(assets/fonts/IBMPlexMono-Medium.woff2) format("woff2"); font-weight: 500 600; font-display: swap; }

:root {
  --bg: #0B0E13; --surface: #0E1116; --raised: #141922; --raised-2: #1A202B;
  --line: #262E3A; --line-soft: #1D2430; --line-strong: #66707E;
  --ink: #E6E9ED; --muted: #8C96A3;
  --signal: #5B8CFF; --signal-strong: #2560F0; --signal-soft: #16264A; --on-signal: #0B0E13;
  --chart-base: #4A5363; --live: #3CC47E; --delayed: #F0A93A;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --r-sm: 4px; --r-md: 10px; --r-lg: 16px;
  --shadow-1: 0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-3: 0 1px 0 rgba(255,255,255,.06) inset, 0 40px 80px -24px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.02);
  --ease-out: cubic-bezier(.2,.8,.2,1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.6 var(--font-sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3, p, ol, ul, dl, dd { margin: 0; }
h1, h2 { text-wrap: balance; font-weight: 600; }
b { font-weight: 600; }
a { color: var(--signal); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: var(--r-sm); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--signal); color: var(--on-signal); padding: 8px 12px; border-radius: var(--r-sm); z-index: 100; }
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 500 12px/16px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.eyebrow-signal { color: var(--signal); }
.small { font-size: 13px; line-height: 19px; color: var(--muted); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 0 rgba(60,196,126,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(60,196,126,.55); } 70% { box-shadow: 0 0 0 9px rgba(60,196,126,0); } 100% { box-shadow: 0 0 0 0 rgba(60,196,126,0); } }

/* header */
.bar { position: sticky; top: 0; z-index: 50; background: rgba(11,14,19,.72); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid var(--line-soft); }
.bar-in { display: flex; align-items: center; gap: 32px; height: 64px; }
.brand img { height: 28px; width: auto; display: block; }
.bar-nav { display: flex; gap: 24px; margin-left: auto; }
.bar-nav a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .2s; }
.bar-nav a:hover { color: var(--ink); }

/* buttons */
.btn { position: relative; display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px; border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--raised); color: var(--ink); font: 500 15px/1 var(--font-sans); text-decoration: none; white-space: nowrap; cursor: pointer; overflow: hidden; transition: transform .2s var(--ease-out), border-color .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.btn-primary { background: var(--signal); border-color: var(--signal); color: var(--on-signal); box-shadow: 0 8px 24px -8px rgba(91,140,255,.55); }
.btn-primary:hover { background: #6E9AFF; border-color: #6E9AFF; box-shadow: 0 12px 32px -8px rgba(91,140,255,.7); }
.btn-primary::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s var(--ease-out); }
.btn-primary:hover::after { transform: translateX(120%); }
.btn-ghost { background: transparent; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 14px; }
.arrow { transition: transform .2s var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }

/* hero */
.hero { position: relative; overflow: hidden; padding-block: 88px 40px; }
.hero-bg { position: absolute; inset: -10% -10% 0; pointer-events: none;
  background:
    radial-gradient(600px 380px at 72% 32%, rgba(91,140,255,.22), transparent 70%),
    radial-gradient(420px 300px at 18% 8%, rgba(91,140,255,.08), transparent 70%),
    radial-gradient(circle, rgba(230,233,237,.09) 1px, transparent 1.4px) 0 0 / 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 55% 40%, #000 40%, transparent 85%);
          mask-image: radial-gradient(ellipse 80% 70% at 55% 40%, #000 40%, transparent 85%); }
.hero-in { position: relative; display: grid; grid-template-columns: 1fr 1.08fr; gap: 48px; align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.headline { font-size: clamp(40px, 5.6vw, 68px); line-height: 1.02; letter-spacing: -0.03em; }
.headline .w { display: inline-block; }
.lede { font-size: 19px; line-height: 1.55; color: var(--muted); max-width: 32em; }
.proof-line { font-size: 14px; color: var(--muted); border-top: 1px solid var(--line-soft); padding-top: 18px; max-width: 34em; }
.proof-line b { color: var(--ink); }
.hero-note { position: relative; margin-top: 36px; font-size: 12px; color: var(--muted); font-family: var(--font-mono); letter-spacing: .04em; }

/* the 3D report stack */
.scene { perspective: 1600px; min-width: 0; }
.stack { position: relative; transform-style: preserve-3d; transform: rotateY(-16deg) rotateX(8deg) rotateZ(1deg); transition: transform .6s var(--ease-out); aspect-ratio: 1.12; }
.card { position: absolute; background: linear-gradient(180deg, var(--raised-2), var(--raised)); border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px 18px; box-shadow: var(--shadow-3); }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; }
.tag { font: 500 10px/14px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; padding: 2px 7px; border: 1px solid var(--line); border-radius: var(--r-sm); color: var(--muted); }
.card-chart { inset: 8% 0 18% 6%; transform: translateZ(0); }
.card-readout { left: -6%; top: -13%; width: 44%; display: flex; flex-direction: column; gap: 2px; transform: translateZ(70px); }
.figure { font: 500 36px/1.1 var(--font-mono); letter-spacing: -0.02em; }
.delta { font: 400 12px/1.4 var(--font-mono); color: var(--muted); }
.delta b { color: var(--live); font-weight: 500; }
.card-status { right: -4%; bottom: 2%; width: 40%; transform: translateZ(110px); }
.card-status ul { list-style: none; padding: 0; margin-top: 8px; display: grid; gap: 6px; font: 400 12px var(--font-mono); }
.card-status li { display: flex; align-items: center; gap: 8px; }
.card-status em { font-style: normal; color: var(--delayed); margin-left: auto; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--live); box-shadow: 0 0 10px rgba(60,196,126,.6); }
.dot-delayed { background: var(--delayed); box-shadow: 0 0 10px rgba(240,169,58,.5); }
.card-finding { left: 2%; bottom: -6%; width: 54%; transform: translateZ(150px); border-color: rgba(91,140,255,.45); box-shadow: var(--shadow-3), 0 0 0 1px rgba(91,140,255,.15), 0 20px 60px -20px rgba(91,140,255,.35); }
.card-finding p { font-size: 13.5px; line-height: 1.5; margin-top: 6px; }

.chart { width: 100%; height: auto; display: block; }
.chart .grid line { stroke: var(--line-soft); }
.chart .ticks text { fill: var(--muted); font: 400 11px var(--font-mono); text-anchor: end; }
.chart .ticks.xl text { text-anchor: middle; }
.chart .bars rect { fill: var(--chart-base); }
.chart .bars .finding { fill: var(--signal); filter: drop-shadow(0 0 12px rgba(91,140,255,.55)); }
.chart .mark { fill: none; stroke: var(--signal); stroke-width: 2.6; stroke-linecap: round; }
.chart .note { fill: var(--signal); font: 500 13px var(--font-mono); }

/* source strip */
.strip { border-block: 1px solid var(--line-soft); background: linear-gradient(90deg, var(--bg), var(--surface) 50%, var(--bg)); padding-block: 18px; margin-top: 56px; }
.marquee { display: flex; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track { list-style: none; padding: 0; display: flex; gap: 48px; padding-right: 48px; flex-shrink: 0; animation: marquee 38s linear infinite; }
.marquee-track li { display: flex; align-items: center; gap: 10px; font: 500 13px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.marquee-track li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--live); }
@keyframes marquee { to { transform: translateX(-100%); } }

/* sections */
.section { padding-block: 104px 24px; display: flex; flex-direction: column; gap: 40px; }
.section-head { display: flex; flex-direction: column; gap: 14px; }
.section h2, .cta h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.08; letter-spacing: -0.02em; max-width: 20em; }
.section h3, .tile h3 { font-size: 18px; line-height: 1.35; font-weight: 600; }

.tile { position: relative; background: linear-gradient(180deg, var(--raised), var(--surface)); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: flex; flex-direction: column; gap: 12px; box-shadow: var(--shadow-1); min-width: 0; transition: border-color .3s, transform .3s var(--ease-out); }
.tile p { color: var(--muted); }
.tile:hover { border-color: #33404F; transform: translateY(-2px); }
.spot::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(91,140,255,.12), transparent 60%); }
.spot:hover::before { opacity: 1; }

.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.glyph { width: 64px; height: 40px; margin-bottom: 8px; }
.glyph rect, .glyph circle, .glyph path { fill: var(--raised-2); stroke: var(--line-strong); stroke-width: 1.2; }
.glyph line { stroke: var(--line-strong); stroke-width: 1.2; }
.glyph .hollow { fill: none; }
.glyph .dashed { stroke-dasharray: 3 3; }

/* pipeline */
.pipeline { position: relative; }
.pipe-track { position: absolute; left: 12px; right: 12px; top: 11px; height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.pipe-fill { height: 100%; width: 100%; transform-origin: left; background: linear-gradient(90deg, var(--signal-strong), var(--signal)); box-shadow: 0 0 12px rgba(91,140,255,.8); }
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { position: relative; display: flex; flex-direction: column; gap: 10px; padding-top: 44px; min-width: 0; }
.node { position: absolute; top: 0; left: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--bg); border: 2px solid var(--signal); box-shadow: 0 0 0 5px var(--bg), 0 0 18px rgba(91,140,255,.6); }
.node::after { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: var(--signal); }
.step-n { font: 500 12px var(--font-mono); color: var(--signal); letter-spacing: .1em; }
.step p { color: var(--muted); font-size: 15px; }

/* bento */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(150px, auto); gap: 16px; }
.b-wide { grid-column: span 2; grid-row: span 2; }
.b-tall { grid-column: span 2; grid-row: span 2; }
.b-stat { grid-column: span 1; }
.b-wide2 { grid-column: span 2; }
.runs { margin-top: auto; display: grid; gap: 10px; }
.run { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--bg); font-family: var(--font-mono); }
.run .q { font-size: 12px; color: var(--muted); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.run .a { font-size: 22px; font-weight: 500; color: var(--ink); }
.run:last-child .a { color: var(--signal); }
.masked { margin-top: 6px; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; font: 400 12px var(--font-mono); background: var(--bg); }
.mrow { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 8px; padding: 10px 14px; border-top: 1px solid var(--line-soft); color: #3A4452; letter-spacing: -.1em; }
.mrow.head { border-top: none; color: var(--signal); letter-spacing: .02em; background: var(--signal-soft); }
.stat { font: 500 56px/1 var(--font-mono); letter-spacing: -0.03em; color: var(--ink); }
.chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.chips li { font: 500 12px var(--font-mono); letter-spacing: .06em; text-transform: uppercase; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--bg); }

/* table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: linear-gradient(180deg, var(--raised), var(--surface)); box-shadow: var(--shadow-1); }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 640px; }
th { text-align: left; font: 500 12px/16px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 16px 22px; border-bottom: 1px solid var(--line); }
td { padding: 16px 22px; border-bottom: 1px solid var(--line-soft); color: var(--muted); }
td:first-child { color: var(--ink); font-weight: 500; }
tr:last-child td { border-bottom: none; }
tr.us td { background: linear-gradient(90deg, rgba(37,96,240,.28), rgba(37,96,240,.10)); color: var(--ink); font-weight: 500; }
tr.us td:first-child { display: flex; align-items: center; gap: 10px; box-shadow: inset 3px 0 0 var(--signal); }

/* proof */
.proof { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: center; padding: 44px; }
.proof-copy { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.readouts { display: grid; gap: 14px; }
.readouts div { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--line); padding-top: 14px; }
.readouts dt { font: 500 12px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.readouts dd { font: 500 34px/1 var(--font-mono); letter-spacing: -0.02em; }

/* CTA */
.cta-wrap { padding-block: 104px 96px; }
.cta { position: relative; overflow: hidden; border: 1px solid rgba(91,140,255,.35); border-radius: 20px; padding: 72px 56px; display: flex; flex-direction: column; gap: 18px; align-items: flex-start; background: var(--surface); box-shadow: 0 40px 100px -40px rgba(91,140,255,.45); }
.cta-bg { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(500px 300px at 85% 0%, rgba(91,140,255,.28), transparent 70%), radial-gradient(circle, rgba(230,233,237,.08) 1px, transparent 1.4px) 0 0 / 22px 22px;
  -webkit-mask-image: linear-gradient(120deg, transparent 20%, #000 80%); mask-image: linear-gradient(120deg, transparent 20%, #000 80%); }
.cta > *:not(.cta-bg) { position: relative; }
.cta p { color: var(--muted); font-size: 19px; max-width: 32em; }
.cta .actions { margin-top: 10px; }
.contact { font-size: 15px; color: var(--muted); }
.contact b { color: var(--ink); user-select: all; }

.foot { border-top: 1px solid var(--line-soft); }
.foot-in { display: flex; align-items: center; gap: 14px; padding-block: 28px; font-size: 14px; color: var(--muted); }
.foot-in .small { margin-left: auto; }

/* use cases */
.uc-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.uc-btn { height: 36px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--muted); font: 500 13px/1 var(--font-sans); cursor: pointer; transition: border-color .2s, color .2s, background .2s; }
.uc-btn:hover { border-color: var(--line-strong); color: var(--ink); }
.uc-btn[aria-pressed="true"] { background: var(--signal-soft); border-color: var(--signal); color: var(--ink); }
.uc-btn:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.uc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.uc .tag { align-self: flex-start; }
.uc .chips { padding-top: 6px; }
.uc .chips li { font-size: 11px; padding: 5px 9px; color: var(--muted); }
.uc[hidden] { display: none; }
.uc-feature { grid-column: span 2; }
.uc-viz { height: 112px; margin: -4px -4px 6px; padding: 10px 12px; border: 1px solid var(--line-soft); border-radius: var(--r-md); background: radial-gradient(120% 140% at 0% 0%, rgba(91,140,255,.08), transparent 60%), var(--bg); overflow: hidden; }
.uc-feature .uc-viz { height: 150px; }
.uc-viz svg { display: block; width: 100%; height: 100%; }
.uc-viz .v-panel { fill: var(--raised); stroke: var(--line); }
.uc-viz .v-chip { fill: var(--raised-2); stroke: var(--line); }
.uc-viz .v-base, .uc-viz .v-dots circle { fill: var(--chart-base); }
.uc-viz .v-dim, .uc-viz .v-mask rect { fill: var(--line); }
.uc-viz .v-sig { fill: var(--signal); }
.uc-viz .v-amb { fill: var(--delayed); }
.uc-viz .v-live, .uc-viz .v-live circle { fill: var(--live); }
.uc-viz .v-gap circle { fill: none; stroke: var(--line-strong); stroke-dasharray: 3 3; }
.uc-viz .v-line { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.uc-viz .v-sigl { fill: none; stroke: var(--signal); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.uc-viz .v-ambl { fill: none; stroke: var(--delayed); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.uc-viz .v-amb-l { stroke: var(--delayed); stroke-width: 1.5; }
.uc-viz .v-basel, .uc-viz .v-basel polyline { fill: none; stroke: var(--chart-base); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.uc-viz .v-band { fill: var(--signal-soft); }
.uc-viz .v-ring { fill: none; stroke: var(--line); stroke-width: 10; }
.uc-viz .v-ring-sig { fill: none; stroke: var(--signal); stroke-width: 10; }
.uc-viz .v-ring-amb { fill: none; stroke: var(--delayed); stroke-width: 10; }
.uc-viz .v-txt, .uc-viz .v-txt text { font: 500 9px var(--font-mono); letter-spacing: .06em; fill: var(--muted); }
.uc-viz .v-ink { fill: var(--ink); }
.uc-viz .v-on { fill: var(--on-signal); font-weight: 600; }
.uc-viz .v-dark { fill: var(--bg); font-weight: 700; }
.uc-viz .v-big { font: 600 22px var(--font-sans); fill: var(--ink); letter-spacing: -.01em; }
.uc-viz .v-sm { font-size: 17px; }
.uc-viz .v-sigt { fill: var(--signal); }
.uc:hover .uc-viz .v-sig, .uc:hover .uc-viz .v-sigl { filter: drop-shadow(0 0 6px rgba(91,140,255,.55)); }
.uc-also { display: flex; flex-direction: column; gap: 14px; border-top: 1px solid var(--line-soft); padding-top: 28px; }
.uc-also-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.uc-also-list li { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.uc-also-list b { font-weight: 600; }
.uc-also-list span { color: var(--muted); font-size: 15px; line-height: 1.5; }

/* narrow screens */
@media (max-width: 960px) {
  .hero-in { grid-template-columns: 1fr; gap: 56px; }
  .stack { transform: rotateY(-8deg) rotateX(6deg); max-width: 620px; margin-inline: auto; }
  .bar-nav { display: none; }
  .bar-in .btn-sm { margin-left: auto; }
  .problem-grid, .proof { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .pipe-track { display: none; }
  .bento { grid-template-columns: 1fr 1fr; }
  .uc-grid { grid-template-columns: 1fr 1fr; }
  .uc-also-list { grid-template-columns: 1fr; }
  .b-wide, .b-tall, .b-wide2 { grid-column: span 2; grid-row: auto; }
  .proof { padding: 28px; }
  .cta { padding: 48px 28px; }
}
@media (max-width: 560px) {
  .wrap { padding-inline: 16px; }
  .hero { padding-top: 56px; }
  .stack { transform: none; aspect-ratio: auto; display: grid; gap: 12px; }
  .card { position: relative; inset: auto; left: auto; right: auto; top: auto; bottom: auto; width: auto; transform: none; }
  .steps { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .uc-grid { grid-template-columns: 1fr; }
  .uc-feature { grid-column: auto; }
  .b-wide, .b-tall, .b-wide2, .b-stat { grid-column: auto; }
  .tile { padding: 22px; }
  .foot-in { flex-wrap: wrap; }
  .foot-in .small { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot, .marquee-track { animation: none; }
  .marquee { overflow-x: auto; }
  .btn, .tile, .stack { transition: none; }
}