:root {
  color-scheme: light;
  --ink: #0c1815;
  --ink-soft: #42504b;
  --paper: #f5f6f1;
  --surface: #ffffff;
  --line: #d8ddd7;
  --green: #0b6047;
  --green-bright: #58d69b;
  --blue: #5bc8e8;
  --dark: #071613;
  --header-h: 78px;
  --gutter: clamp(20px, 4.5vw, 72px);
  --page-progress: 0;
  --hero-progress: 0;
  --display: "Chiron GoRound TC WS", "Microsoft JhengHei", sans-serif;
  --index: "TASA Explorer", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); background: var(--paper); }
body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 470;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
}
a { color: inherit; }
button { font: inherit; }
img { display: block; width: 100%; }
::selection { color: white; background: var(--green); }
:focus-visible { outline: 3px solid var(--green-bright); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 300;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  color: white;
  background: var(--dark);
  text-decoration: none;
}
.skip-link:focus { top: 10px; left: 10px; width: auto; height: auto; padding: 10px 14px; clip-path: none; }

.site-header {
  position: fixed;
  z-index: 120;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-h);
  color: white;
  background: rgba(7, 22, 19, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .15);
  backdrop-filter: blur(16px);
}
.header-inner {
  display: grid;
  width: min(100%, 1560px);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  align-items: center;
  gap: 32px;
}
.brand { display: grid; justify-self: start; text-decoration: none; line-height: 1.15; }
.brand strong { font-size: 14px; font-weight: 760; letter-spacing: .07em; }
.brand span { color: rgba(255, 255, 255, .62); font-family: var(--index); font-size: 7px; letter-spacing: .16em; }
.primary-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.primary-nav a {
  position: relative;
  padding: 26px 0 23px;
  color: rgba(255, 255, 255, .76);
  font-size: 13px;
  font-weight: 590;
  text-decoration: none;
}
.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 19px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--green-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .28s ease;
}
.primary-nav a:hover { color: white; }
.primary-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; justify-self: end; align-items: center; gap: 10px; }
.motion-control {
  display: grid;
  min-width: 52px;
  height: 44px;
  padding: 5px 9px;
  place-content: center;
  gap: 0;
  color: white;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  cursor: pointer;
  line-height: 1.1;
}
.motion-control span { font-size: 9px; font-weight: 650; }
.motion-control b { color: var(--green-bright); font-family: var(--index); font-size: 7px; letter-spacing: .08em; }
.motion-control[aria-pressed="false"] b { color: #a4aea9; }
.header-cta,
.button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}
.header-cta { color: var(--dark); background: white; }
.header-cta:hover,
.button:hover { transform: translateY(-2px); }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; background: transparent; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; cursor: pointer; }
.menu-toggle i { display: block; width: 18px; height: 1px; margin: 5px auto; background: white; transition: transform .25s ease; }
.menu-toggle[aria-expanded="true"] i:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] i:last-child { transform: translateY(-3px) rotate(-45deg); }
.reading-progress { position: fixed; z-index: 130; top: calc(var(--header-h) - 2px); right: 0; left: 0; height: 2px; pointer-events: none; }
.reading-progress i { display: block; width: calc(var(--page-progress) * 100%); height: 100%; background: var(--green-bright); }

main { overflow: clip; }
[data-content] { white-space: pre-line; }
[data-scene] { position: relative; }
.section { padding: clamp(92px, 10vw, 150px) 0; }
.section-shell { width: min(100%, 1480px); margin: 0 auto; padding: 0 var(--gutter); }
.section-label,
.eyebrow,
.hero-index,
figcaption,
.visual-status,
.site-footer { font-family: var(--index); }
.section-label,
.eyebrow { margin: 0 0 22px; color: var(--green); font-size: 10px; font-weight: 670; letter-spacing: .17em; }
.section-heading { display: grid; grid-template-columns: minmax(380px, 1.15fr) minmax(250px, .55fr); gap: 10vw; align-items: end; margin-bottom: 72px; }
.section-heading .section-label { grid-column: 1 / -1; margin-bottom: 0; }
.section h2 { margin: 0; font-size: clamp(44px, 6vw, 92px); font-weight: 690; line-height: 1.05; letter-spacing: -.065em; }
.section-heading > p:last-child,
.product-copy > p,
.circular-copy > p,
.trace-copy > p,
.impact-copy > p,
.technology-card p { margin: 0; color: var(--ink-soft); font-size: clamp(15px, 1.1vw, 18px); line-height: 1.9; }

.hero {
  min-height: 100svh;
  padding: calc(var(--header-h) + 58px) 0 58px;
  color: white;
  background: var(--dark);
  isolation: isolate;
  overflow: hidden;
}
#hero-canvas,
.hero-fallback { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; pointer-events: none; }
#hero-canvas { display: block; opacity: 0; transition: opacity .45s ease; }
.fx-ready #hero-canvas { opacity: .82; }
.hero-fallback {
  z-index: -3;
  background:
    linear-gradient(120deg, rgba(88, 214, 155, .12), transparent 42%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 9vw),
    repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 9vw),
    var(--dark);
}
.hero::after { position: absolute; z-index: -1; inset: 0; content: ""; background: linear-gradient(90deg, rgba(7,22,19,.96) 0%, rgba(7,22,19,.7) 47%, rgba(7,22,19,.22) 100%); pointer-events: none; }
.hero-shell {
  display: grid;
  width: min(100%, 1480px);
  min-height: calc(100svh - var(--header-h) - 116px);
  margin: 0 auto;
  padding: 0 var(--gutter);
  grid-template-columns: minmax(420px, .9fr) minmax(460px, 1.1fr);
  align-items: center;
  gap: clamp(48px, 7vw, 108px);
}
.hero-copy { position: relative; z-index: 3; max-width: 690px; }
.eyebrow { color: var(--green-bright); }
.hero h1 { display: grid; margin: 0 0 28px; font-size: clamp(70px, 8vw, 124px); font-weight: 720; line-height: .92; letter-spacing: -.075em; }
.hero h1 > span:last-child { padding-left: .62em; }
.hero h1 > span > span { margin-left: .08em; }
.hero-lead { margin: 0 0 16px; font-size: clamp(22px, 2vw, 31px); font-weight: 630; letter-spacing: -.025em; }
.hero-summary { max-width: 600px; margin: 0; color: rgba(255,255,255,.7); font-size: clamp(15px, 1.12vw, 18px); line-height: 1.9; }
.hero-actions { display: flex; margin-top: 36px; align-items: center; gap: 28px; flex-wrap: wrap; }
.button--primary { color: var(--dark); background: var(--green-bright); }
.button--primary:hover { background: white; }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 16px; color: white; font-size: 13px; font-weight: 630; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.35); }
.text-link span { color: var(--green-bright); }
.hero-visual {
  position: relative;
  z-index: 1;
  height: min(68svh, 760px);
  margin: 0;
  overflow: hidden;
  border-radius: 4px 56px 4px 4px;
  box-shadow: 0 32px 90px rgba(0,0,0,.35);
}
.hero-visual::before { position: absolute; z-index: 2; inset: 0; content: ""; background: linear-gradient(180deg, transparent 55%, rgba(7,22,19,.86)); pointer-events: none; }
.hero-visual::after { position: absolute; z-index: 4; inset: 0; content: ""; background: var(--green); transform: translateX(101%); pointer-events: none; }
.motion-on .hero-visual::after { animation: image-curtain 1.05s .15s cubic-bezier(.76,0,.24,1) backwards; }
.hero-visual img { height: 100%; object-fit: cover; object-position: 55% 50%; transform: scale(1.05) translate3d(calc(var(--pointer-x, 0) * 8px), calc(var(--hero-progress) * -16px), 0); transition: transform .15s linear; }
.hero-visual figcaption { position: absolute; z-index: 3; right: 28px; bottom: 28px; left: 28px; display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.hero-visual figcaption span { color: var(--green-bright); font-size: 9px; letter-spacing: .16em; }
.hero-visual figcaption b { max-width: 260px; font-family: var(--display); font-size: 14px; font-weight: 570; text-align: right; }
.visual-status { position: absolute; z-index: 3; top: 24px; right: 24px; display: flex; padding: 8px 12px; align-items: center; gap: 8px; color: white; background: rgba(7,22,19,.7); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; backdrop-filter: blur(9px); font-size: 7px; letter-spacing: .12em; }
.visual-status i { width: 6px; height: 6px; background: var(--green-bright); border-radius: 50%; box-shadow: 0 0 12px var(--green-bright); }
.hero-index { position: absolute; right: var(--gutter); bottom: 20px; left: var(--gutter); display: grid; grid-template-columns: repeat(5, 1fr); color: rgba(255,255,255,.42); border-top: 1px solid rgba(255,255,255,.16); font-size: 7px; letter-spacing: .13em; }
.hero-index span { padding-top: 10px; }
@keyframes image-curtain { 0% { transform: translateX(-101%); } 52% { transform: translateX(0); } 100% { transform: translateX(101%); } }

.about { background: var(--paper); }
.focus-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.focus-grid article { min-height: 250px; padding: 28px 24px; border-right: 1px solid var(--line); }
.focus-grid article:last-child { border-right: 0; }
.focus-grid span { color: var(--green); font-family: var(--index); font-size: 9px; }
.focus-grid h3 { margin: 76px 0 12px; font-size: clamp(22px, 2vw, 30px); line-height: 1.25; }
.focus-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }

.products { background: #eef1eb; }
.product-layout { display: grid; grid-template-columns: minmax(330px, .68fr) minmax(520px, 1.32fr); gap: 8vw; align-items: center; }
.product-copy h2,
.circular-copy h2,
.trace-copy h2,
.impact-copy h2 { margin-bottom: 28px; }
.format-list { display: flex; margin: 32px 0 0; padding: 0; flex-wrap: wrap; gap: 9px; list-style: none; }
.format-list li { padding: 8px 13px; color: var(--green); background: white; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 620; }
.product-gallery { position: relative; min-height: 650px; }
.product-gallery figure { position: absolute; margin: 0; overflow: hidden; background: #d8ddd7; box-shadow: 0 24px 70px rgba(17,38,31,.14); }
.product-gallery img { height: 100%; object-fit: cover; transform: scale(1.04) translateY(calc(var(--parallax, 0) * 12px)); }
.product-main { top: 0; right: 0; width: 78%; height: 76%; }
.product-detail { bottom: 0; left: 0; width: 48%; height: 44%; border: 10px solid var(--paper); }
.product-gallery figcaption { position: absolute; right: 10px; bottom: 10px; padding: 5px 8px; color: white; background: rgba(7,22,19,.78); font-size: 7px; letter-spacing: .14em; }
.product-streams { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 10px; padding-top: 22px; border-top: 1px solid #cbd2ca; }
.product-streams p { margin: 0; color: #52615b; font-size: 12px; line-height: 1.8; }

.section--dark { color: white; background: var(--dark); }
.section--dark .section-label { color: var(--green-bright); }
.circular-layout { display: grid; grid-template-columns: minmax(480px, 1.08fr) minmax(360px, .92fr); gap: 8vw; align-items: center; }
.circular-media { position: relative; height: 640px; overflow: hidden; margin: 0; border-radius: 3px 48px 3px 3px; }
.circular-media::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent, rgba(7,22,19,.45)); }
.circular-media img { height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.08); transform: scale(1.05) translateY(calc(var(--parallax, 0) * 14px)); }
.circular-media p { position: absolute; z-index: 2; right: 24px; bottom: 18px; margin: 0; font-family: var(--index); font-size: 8px; letter-spacing: .14em; }
.circular-copy > p:last-child { color: rgba(255,255,255,.65); }
.action-list { grid-column: 1 / -1; display: grid; margin: 18px 0 0; padding: 0; grid-template-columns: repeat(4, 1fr); list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.action-list li { display: grid; min-height: 190px; padding: 24px 20px; align-content: space-between; border-right: 1px solid rgba(255,255,255,.14); }
.action-list li:last-child { border-right: 0; }
.action-list b,
.action-list small { color: var(--green-bright); font-family: var(--index); font-size: 8px; font-weight: 620; letter-spacing: .12em; }
.action-list span { font-size: clamp(20px, 2vw, 29px); font-weight: 630; }

.trace { background: var(--surface); }
.trace-layout { display: grid; grid-template-columns: minmax(360px, .72fr) minmax(520px, 1.28fr); gap: 8vw; }
.trace-copy { position: sticky; top: calc(var(--header-h) + 52px); align-self: start; }
.trace-steps { position: relative; display: grid; margin: 0; padding: 0 0 0 36px; list-style: none; }
.trace-steps::before,
.trace-steps::after { position: absolute; top: 0; bottom: 0; left: 7px; width: 2px; content: ""; }
.trace-steps::before { background: var(--line); }
.trace-steps::after { bottom: auto; height: calc(var(--scene-progress, 0) * 100%); background: var(--green); }
.trace-steps li { display: grid; min-height: 132px; grid-template-columns: 58px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.trace-steps li::before { position: absolute; left: 0; width: 16px; height: 16px; content: ""; background: white; border: 3px solid var(--green); border-radius: 50%; }
.trace-steps b { color: var(--green); font-family: var(--index); font-size: 9px; }
.trace-steps span { font-size: clamp(26px, 3vw, 44px); font-weight: 640; }
.technology-card { grid-column: 1 / -1; display: grid; margin-top: 84px; grid-template-columns: 1fr 1fr; background: #e8f0eb; }
.technology-card figure { min-height: 480px; margin: 0; overflow: hidden; }
.technology-card img { height: 100%; object-fit: cover; transform: scale(1.04) translateY(calc(var(--parallax, 0) * 12px)); }
.technology-card > div { display: grid; padding: clamp(34px, 5vw, 76px); align-content: center; }
.technology-card h3 { margin: 0 0 22px; font-size: clamp(30px, 3.4vw, 54px); line-height: 1.15; letter-spacing: -.045em; }

.impact { background: #e8ece6; }
.impact-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 8vw; align-items: center; }
.impact-media { height: 690px; margin: 0; overflow: hidden; border-radius: 48px 3px 3px 3px; }
.impact-media img { height: 100%; object-fit: cover; filter: saturate(.76); transform: scale(1.05) translateY(calc(var(--parallax, 0) * 14px)); }
.place-list { margin-top: 34px !important; padding-top: 18px; color: var(--green) !important; border-top: 1px solid #bec8c0; font-family: var(--index); font-size: 9px !important; font-weight: 640; letter-spacing: .1em; }

.closing { padding: clamp(110px, 12vw, 180px) 0; color: white; background: var(--green); }
.closing-inner { display: grid; grid-template-columns: 1fr minmax(260px, .36fr); gap: 8vw; align-items: end; }
.closing .section-label { grid-column: 1 / -1; color: rgba(255,255,255,.72); }
.closing h2 { margin: 0; font-size: clamp(52px, 7.2vw, 112px); font-weight: 690; line-height: 1.02; letter-spacing: -.07em; }
.closing p:not(.section-label) { margin: 0; color: rgba(255,255,255,.76); font-size: 17px; line-height: 1.85; }
.button--light { grid-column: 2; justify-self: start; color: var(--green); background: white; }
.site-footer { color: rgba(255,255,255,.66); background: var(--dark); font-size: 8px; letter-spacing: .08em; }
.footer-inner { display: grid; min-height: 170px; padding-top: 34px; padding-bottom: 34px; grid-template-columns: 1fr 1.4fr auto; align-items: end; gap: 7vw; }
.footer-inner p { margin: 0; }
.footer-inner p:first-child { display: grid; }
.footer-inner strong { color: white; font-family: var(--display); font-size: 14px; letter-spacing: .06em; }
.footer-inner p:nth-child(2) { line-height: 1.8; }

.motion-on [data-reveal] { transform: translateY(18px); transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.motion-on [data-reveal].is-visible { transform: translateY(0); }
.motion-on .focus-grid article:nth-child(2),
.motion-on .action-list li:nth-child(2),
.motion-on .trace-steps li:nth-child(2) { transition-delay: .06s; }
.motion-on .focus-grid article:nth-child(3),
.motion-on .action-list li:nth-child(3),
.motion-on .trace-steps li:nth-child(3) { transition-delay: .12s; }
.motion-on .focus-grid article:nth-child(4),
.motion-on .action-list li:nth-child(4),
.motion-on .trace-steps li:nth-child(4) { transition-delay: .18s; }
.motion-on .trace-steps li:nth-child(5) { transition-delay: .24s; }

@media (max-width: 1100px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .primary-nav { position: absolute; top: 100%; right: 0; left: 0; display: grid; padding: 18px var(--gutter) 24px; grid-template-columns: repeat(5, 1fr); gap: 0; background: rgba(7,22,19,.98); border-bottom: 1px solid rgba(255,255,255,.16); transform: translateY(-130%); transition: transform .28s ease; }
  .primary-nav.is-open { transform: translateY(0); }
  .primary-nav a { min-height: 48px; padding: 13px 12px; text-align: center; border-right: 1px solid rgba(255,255,255,.12); }
  .primary-nav a:last-child { border-right: 0; }
  .primary-nav a::after { display: none; }
  .menu-toggle { display: block; }
  .hero-shell { grid-template-columns: minmax(360px, .9fr) minmax(380px, 1.1fr); gap: 42px; }
  .focus-grid { grid-template-columns: repeat(2, 1fr); }
  .focus-grid article:nth-child(2) { border-right: 0; }
  .focus-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 760px) {
  :root { --header-h: 68px; --gutter: 18px; }
  body { font-size: 15px; }
  .header-inner { gap: 10px; }
  .brand strong { max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
  .brand span { font-size: 6px; }
  .header-cta { display: none; }
  .motion-control { min-width: 46px; height: 42px; padding: 4px 8px; }
  .primary-nav { grid-template-columns: 1fr; padding: 8px 18px 18px; }
  .primary-nav a { text-align: left; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .section { padding: 82px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 46px; }
  .section h2 { font-size: clamp(42px, 12vw, 62px); }

  .hero { min-height: auto; padding: calc(var(--header-h) + 44px) 0 58px; }
  .hero::after { background: linear-gradient(180deg, rgba(7,22,19,.92), rgba(7,22,19,.45) 70%, rgba(7,22,19,.92)); }
  .hero-shell { min-height: auto; grid-template-columns: 1fr; gap: 42px; }
  .hero h1 { font-size: clamp(62px, 20vw, 86px); }
  .hero h1 > span:last-child { padding-left: .42em; }
  .hero-lead { font-size: 21px; }
  .hero-summary { font-size: 14px; line-height: 1.8; }
  .hero-actions { margin-top: 28px; }
  .hero-visual { height: 60svh; min-height: 460px; border-radius: 3px 34px 3px 3px; }
  .hero-visual figcaption { right: 16px; bottom: 16px; left: 16px; }
  .hero-visual figcaption b { max-width: 190px; font-size: 12px; }
  .visual-status { top: 14px; right: 14px; }
  .hero-index { display: none; }

  .focus-grid { grid-template-columns: 1fr; }
  .focus-grid article { min-height: 174px; padding: 22px 6px; border-right: 0; border-bottom: 1px solid var(--line); }
  .focus-grid article:last-child { border-bottom: 0; }
  .focus-grid h3 { margin-top: 38px; }

  .product-layout,
  .circular-layout,
  .trace-layout,
  .impact-layout { grid-template-columns: 1fr; gap: 46px; }
  .product-gallery { min-height: 470px; }
  .product-main { width: 86%; height: 72%; }
  .product-detail { width: 54%; height: 40%; border-width: 6px; }
  .product-streams { grid-template-columns: 1fr; margin-top: 0; }
  .circular-media { height: 58svh; min-height: 450px; order: 2; border-radius: 3px 32px 3px 3px; }
  .circular-copy { order: 1; }
  .action-list { order: 3; grid-template-columns: 1fr 1fr; }
  .action-list li { min-height: 142px; padding: 18px 12px; border-bottom: 1px solid rgba(255,255,255,.14); }
  .trace-copy { position: static; }
  .trace-steps { padding-left: 30px; }
  .trace-steps li { min-height: 102px; }
  .technology-card { grid-template-columns: 1fr; margin-top: 34px; }
  .technology-card figure { min-height: 330px; }
  .technology-card > div { padding: 32px 22px 40px; }
  .impact-media { height: 58svh; min-height: 460px; border-radius: 32px 3px 3px 3px; }
  .closing-inner { grid-template-columns: 1fr; gap: 28px; }
  .closing h2 { font-size: clamp(50px, 14vw, 72px); }
  .button--light { grid-column: auto; }
  .footer-inner { grid-template-columns: 1fr; min-height: 240px; gap: 18px; align-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  [data-reveal] { transform: none !important; }
  #hero-canvas { opacity: 0 !important; }
  [data-parallax] img { transform: scale(1.03) !important; }
}

.is-static #hero-canvas { opacity: 0; transition: none; }
.is-static [data-reveal] { transform: none; transition: none; }
.is-static [data-parallax] img { transform: scale(1.03); }
.fx-fallback #hero-canvas { opacity: 0; transition: none; }