.site {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  --lux-x: 72%;
  --lux-y: 8%;
}

.lux-spot {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(520px circle at var(--lux-x) var(--lux-y), rgba(75, 220, 245, 0.16), transparent 46%),
    radial-gradient(380px circle at calc(var(--lux-x) + 8%) calc(var(--lux-y) + 12%), rgba(118, 85, 255, 0.12), transparent 50%);
  mix-blend-mode: screen;
}

.site:before,
.site:after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.13;
}

.site:before {
  left: -22rem;
  top: 34rem;
  background: #4bdcf5;
  animation: ambient-drift 18s ease-in-out infinite alternate;
}

.site:after {
  right: -25rem;
  top: 115rem;
  background: #7655ff;
  animation: ambient-drift 22s ease-in-out -7s infinite alternate-reverse;
}

@keyframes ambient-drift {
  to { transform: translate3d(8rem, 5rem, 0) scale(1.16); }
}

.header {
  position: sticky;
  top: 0;
  background: rgba(5, 6, 37, 0.35);
  backdrop-filter: blur(0);
  transition: background 0.45s ease, backdrop-filter 0.45s ease, border-color 0.45s ease;
}

.header.is-scrolled {
  background: rgba(5, 6, 37, 0.78);
  backdrop-filter: blur(18px);
  border-bottom-color: rgba(75, 220, 245, 0.22);
}

.lux-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.lux-line > span {
  display: block;
  transform: translateY(108%);
  transition: transform 1.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero.is-in .lux-line > span { transform: none; }
.hero.is-in .lux-line:nth-child(2) > span { transition-delay: 0.12s; }
.hero.is-in .lux-line:nth-child(3) > span { transition-delay: 0.24s; }

.motion-ready .hero .tag,
.motion-ready .hero .hero-lead,
.motion-ready .hero .actions,
.motion-ready .hero .demo-frame {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 1.05s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero.is-in .tag { opacity: 1; transform: none; transition-delay: 0.42s; }
.hero.is-in .hero-lead { opacity: 1; transform: none; transition-delay: 0.52s; }
.hero.is-in .actions { opacity: 1; transform: none; transition-delay: 0.64s; }
.hero.is-in .demo-frame {
  opacity: 1;
  transform: none;
  transition-delay: 0.28s;
}

.demo-frame {
  perspective: 1400px;
  transform-style: preserve-3d;
}

.demo-card {
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  transform: rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  will-change: transform;
}

.demo-progress:before {
  width: var(--lux-progress, 66%) !important;
  transition: width 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.demo-choice {
  transition: border-color 0.45s ease, background 0.45s ease, color 0.45s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.demo-choice.is-active { transform: translateY(-2px); }

.demo-ready {
  animation: ready-in 1s cubic-bezier(0.16, 1, 0.3, 1) 0.9s both;
}

@keyframes ready-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.motion-ready [data-motion] {
  opacity: 0;
  transform: translateY(34px);
  filter: blur(6px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), filter 0.9s ease;
}

.motion-ready [data-motion].is-revealed {
  opacity: 1;
  transform: none;
  filter: none;
}

.motion-ready [data-motion="soft"] {
  transform: translateY(18px);
  filter: none;
  transition-duration: 1.05s;
}

.motion-ready [data-motion="stagger"] {
  opacity: 1;
  transform: none;
  filter: none;
}

.motion-ready [data-motion="stagger"] > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.motion-ready [data-motion="stagger"].is-revealed > * {
  opacity: 1;
  transform: none;
}

.motion-ready [data-motion="stagger"].is-revealed > *:nth-child(2) { transition-delay: 0.08s; }
.motion-ready [data-motion="stagger"].is-revealed > *:nth-child(3) { transition-delay: 0.16s; }
.motion-ready [data-motion="stagger"].is-revealed > *:nth-child(4) { transition-delay: 0.24s; }
.motion-ready [data-motion="stagger"].is-revealed > *:nth-child(5) { transition-delay: 0.32s; }
.motion-ready [data-motion="stagger"].is-revealed > *:nth-child(6) { transition-delay: 0.4s; }

.demo-frame,
.case-playground {
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s;
}

.case-stage:hover .case-playground {
  transform: translateY(-5px);
  box-shadow: 0 42px 100px #0006;
}

.button,
.tariff-button {
  transition: transform 0.22s, box-shadow 0.22s, background 0.22s;
}

.button:hover,
.tariff-button:hover { transform: translateY(-2px); }

.button.primary:hover { box-shadow: 0 14px 35px #4bdcf52b; }

@media (prefers-reduced-motion: reduce) {
  .site:before,
  .site:after,
  .demo-ready { animation: none; }
  .lux-spot { display: none; }
  .lux-line > span { transform: none; transition: none; }
  .motion-ready .hero .tag,
  .motion-ready .hero .hero-lead,
  .motion-ready .hero .actions,
  .motion-ready .hero .demo-frame,
  .motion-ready [data-motion],
  .motion-ready [data-motion="stagger"] > * {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
  .demo-frame,
  .case-playground,
  .button,
  .tariff-button,
  .demo-card,
  .demo-choice,
  .header { transition: none; }
  .demo-frame:hover,
  .case-stage:hover .case-playground,
  .button:hover,
  .tariff-button:hover,
  .demo-choice.is-active { transform: none; }
}