/* USADIGITAL v=6 — overlay FX off on mobile */
:root {
  --scroll-p: 0;
}

.fx-layer {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}
.fx-grid {
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(rgba(56, 189, 248, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(700px) rotateX(58deg) translateY(calc(var(--scroll-p) * -40px));
  transform-origin: 50% 0;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 72%);
  opacity: .55;
}
.fx-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 3px,
    rgba(125, 211, 252, .025) 3px 4px
  );
  mix-blend-mode: screen;
  animation: scanDrift 9s linear infinite;
}
@keyframes scanDrift {
  from { transform: translateY(0); }
  to { transform: translateY(4px); }
}
.fx-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 40%, transparent 42%, rgba(5, 9, 20, .55) 100%);
}
.fx-corners i {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(56, 189, 248, .4);
}
.fx-corners i:nth-child(1) { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.fx-corners i:nth-child(2) { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.fx-corners i:nth-child(3) { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.fx-corners i:nth-child(4) { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.fx-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 19;
  height: 2px;
  pointer-events: none;
  background: rgba(255,255,255,.06);
}
.fx-progress b {
  display: block;
  height: 100%;
  width: calc(var(--scroll-p) * 1%);
  background: linear-gradient(90deg, #1d7dff, #38bdf8, #e0f2fe);
  box-shadow: 0 0 12px #38bdf8;
  transform-origin: left;
}
.fx-hud {
  position: fixed;
  z-index: 19;
  top: auto;
  bottom: max(12px, env(safe-area-inset-bottom));
  left: 18px;
  right: 18px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .18em;
  color: rgba(157, 212, 255, .55);
  text-transform: uppercase;
}
.fx-veil {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  background:
    linear-gradient(180deg, #050914 0%, rgba(5,9,20,.92) 40%, #050914 100%);
  transition: opacity .35s ease, visibility .35s ease;
}
body.is-leaving .fx-veil {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

@media (min-width: 901px) {
  @view-transition { navigation: auto; }
}
::view-transition-old(root) {
  animation: vtOut .45s cubic-bezier(.76, 0, .24, 1) both;
}
::view-transition-new(root) {
  animation: vtIn .6s cubic-bezier(.16, .84, .22, 1) both;
}
@keyframes vtOut {
  to { opacity: 0; filter: blur(8px); transform: scale(1.03); }
}
@keyframes vtIn {
  from { opacity: 0; filter: blur(10px); transform: translateY(16px) scale(.98); }
}

.hud-frame {
  position: relative;
}
.hud-frame::before,
.hud-frame::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(56, 189, 248, .55);
  pointer-events: none;
  z-index: 3;
}
.hud-frame::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.hud-frame::after { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.hud-frame > .hud-br,
.shot.hud-frame span::after {
  content: none;
}

.signal-ticker {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  z-index: 2;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  pointer-events: none;
}
.signal-track {
  display: flex;
  gap: 36px;
  width: max-content;
  color: rgba(125, 211, 252, .65);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  animation: ticker 28s linear infinite;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.beam-line {
  height: 1px;
  width: min(180px, 40%);
  margin: 0 auto 18px;
  background: linear-gradient(90deg, transparent, #38bdf8, transparent);
  box-shadow: 0 0 12px rgba(56, 189, 248, .6);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 1s cubic-bezier(.16, .84, .22, 1);
}
.reveal.is-visible .beam-line,
.section-head.is-visible .beam-line,
.beam-line.is-on { transform: scaleX(1); }

.include-list.timeline {
  position: relative;
}
.include-list.timeline::before {
  content: "";
  position: absolute;
  left: 29px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, rgba(56,189,248,.7), rgba(29,125,255,.15));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.1s cubic-bezier(.16, .84, .22, 1) .1s;
}
.include-list.timeline.is-visible::before,
.include-list.timeline.reveal.is-visible::before {
  transform: scaleY(1);
}
.include-list.timeline li {
  position: relative;
  overflow: hidden;
}
.include-list.timeline li::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -40%;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,.12), transparent);
  transform: translateX(0);
}
.include-list.timeline.is-visible li::after,
.include-list.timeline.reveal.is-visible li::after {
  animation: sweep 1.4s ease .2s both;
}
@keyframes sweep {
  from { transform: translateX(0); }
  to { transform: translateX(420%); }
}

.steps {
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,.45), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s cubic-bezier(.16, .84, .22, 1);
  pointer-events: none;
}
.steps.is-lit::before { transform: scaleX(1); }

.related a {
  position: relative;
  overflow: hidden;
}
.related a::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(56,189,248,.12) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .7s ease;
}
.related a:hover::before { transform: translateX(120%); }

.faq details {
  position: relative;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq details[open] {
  border-color: rgba(56, 189, 248, .4);
  box-shadow: 0 0 24px rgba(29, 125, 255, .12);
}
.faq summary {
  position: relative;
  padding-right: 28px;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 16px;
  color: var(--cyan);
  transition: transform .3s;
}
.faq details[open] summary::after { transform: rotate(45deg); }

@media (max-width: 900px) {
  .fx-layer,
  .fx-hud,
  .fx-vignette,
  .fx-scan,
  .fx-veil,
  .fx-grid { display: none !important; }
  .steps::before { display: none; }
  .signal-ticker { bottom: 12px; }
  .signal-track { font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .fx-scan, .fx-grid, .signal-track, .include-list.timeline li::after { animation: none !important; }
  .fx-veil,
  body.is-leaving .fx-veil,
  body.is-entering .fx-veil {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
}