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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Liquid glass navigation: transparent body, reflective rims, moving light. */
.header{
  --glass-x:24%;
  background:linear-gradient(115deg,rgba(255,255,255,.20),rgba(229,243,255,.06) 45%,rgba(255,255,255,.14));
  -webkit-backdrop-filter:blur(16px) saturate(170%) contrast(1.04);
  backdrop-filter:blur(16px) saturate(170%) contrast(1.04);
  border:1px solid rgba(255,255,255,.52);
  box-shadow:0 8px 26px rgba(47,75,121,.09),0 2px 5px rgba(77,105,153,.05),inset 0 1.5px 1px rgba(255,255,255,.95),inset 1px 0 1px rgba(255,255,255,.55),inset -1px -1.5px 2px rgba(132,169,217,.17);
  isolation:isolate;
}
.header::before,.header::after{content:'';position:absolute;pointer-events:none;border-radius:inherit;z-index:-1}
.header::before{
  inset:0;
  background:linear-gradient(117deg,rgba(255,255,255,.62) 0%,rgba(255,255,255,.02) 23%,transparent 44%,rgba(255,255,255,.18) 73%,rgba(255,255,255,.55) 100%);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.24) 48%,transparent 70%,rgba(0,0,0,.5) 100%);
  mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.24) 48%,transparent 70%,rgba(0,0,0,.5) 100%);
}
.header::after{
  inset:1px;
  border:1px solid transparent;
  border-top-color:rgba(255,255,255,.52);
  border-bottom-color:rgba(255,255,255,.24);
  background:radial-gradient(ellipse 190px 75px at var(--glass-x) -12px,rgba(255,255,255,.57),rgba(255,255,255,.12) 50%,transparent 75%);
  box-shadow:inset 0 2px 5px rgba(255,255,255,.20),inset 0 -2px 4px rgba(98,140,193,.07);
}
.header .brand,.header nav,.header .nav-contact{position:relative;z-index:1}
.header nav{color:#536780;text-shadow:0 1px 1px rgba(255,255,255,.6)}
.header .nav-contact{background:linear-gradient(140deg,#263851ed,#17243feb);border:1px solid rgba(255,255,255,.22);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 3px 9px rgba(27,48,80,.15)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.header{background:rgba(237,247,255,.88)}}
@media(prefers-reduced-motion:reduce){.header{--glass-x:24%!important}}

/* Gentle hover: preserve perspective and avoid sudden rotation changes. */
.icon-stage{
  transition:transform .48s cubic-bezier(.22,1,.36,1),box-shadow .5s ease,border-color .4s ease;
  background-clip:padding-box;
}
.icon-stage img{transition:filter .45s ease}
.icon-stage>span{transition:color .4s ease}
@media(hover:hover) and (pointer:fine){
  .reader-stage:hover{transform:translateY(-5px) rotate(-16deg) rotateY(-12deg) scale(1.015)}
  .fly-stage:hover{transform:translateY(-5px) rotate(13deg) rotateY(-14deg) scale(1.015)}
  .icon-stage:hover{
    border-color:rgba(255,255,255,.98);
    box-shadow:inset 3px 3px 4px #ffffff,10px 29px 40px #637cbe2d,inset -3px -3px 6px #80aaff48;
  }
  .icon-stage:hover img{filter:brightness(1.025)}
  .icon-stage:hover>span{color:#52739f}
}
@media(prefers-reduced-motion:reduce){
  .icon-stage,.icon-stage img,.icon-stage>span{transition:none!important}
  .reader-stage:hover{transform:rotate(-16deg) rotateY(-12deg)}
  .fly-stage:hover{transform:rotate(13deg) rotateY(-14deg)}
}

/* Soft illuminated glass rim on product hover. */
.icon-stage::before{
  content:'';position:absolute;inset:-11px;border-radius:inherit;pointer-events:none;
  background:radial-gradient(ellipse at 30% 12%,rgba(227,253,255,.75),transparent 55%),linear-gradient(135deg,rgba(166,236,255,.58),rgba(177,187,255,.2) 55%,rgba(193,241,255,.5));
  filter:blur(15px);opacity:0;transition:opacity .5s ease;z-index:-1;
}
.icon-stage::after{transition:box-shadow .5s ease,border-color .5s ease}
@media(hover:hover) and (pointer:fine){
  .icon-stage:hover{
    border-color:rgba(242,254,255,1);
    box-shadow:inset 2px 2px 5px rgba(255,255,255,.95),inset -2px -2px 7px rgba(180,232,255,.65),0 0 9px rgba(236,255,255,.85),0 0 25px rgba(134,213,255,.5),0 0 48px rgba(166,185,255,.28),10px 29px 40px #637cbe2d;
  }
  .icon-stage:hover::before{opacity:1}
  .icon-stage:hover::after{border-color:rgba(255,255,255,.95);box-shadow:inset 0 0 10px rgba(232,250,255,.6),0 0 5px rgba(232,250,255,.4)}
}
@media(prefers-reduced-motion:reduce){.icon-stage::before,.icon-stage::after{transition:none!important}}

/* One continuous glass surface, without a second inset rim. */
.icon-stage::after{display:none}

/* Ambient drift is separate from the hover transform, so neither interrupts the other. */
.reader-stage{animation:reader-drift 6.8s ease-in-out infinite}
.fly-stage{animation:fly-drift 7.6s ease-in-out -2.6s infinite}
@keyframes reader-drift{0%,100%{translate:0 0}50%{translate:0 -9px}}
@keyframes fly-drift{0%,100%{translate:0 -2px}50%{translate:0 8px}}
@media(prefers-reduced-motion:reduce){.reader-stage,.fly-stage{animation:none;translate:0 0}}

/* Anchor navigation clears the floating header on every screen size. */
html{scroll-padding-top:112px}
.product:target{border-color:#b2cef0;box-shadow:0 12px 35px #5d88c518}
@media(max-width:850px){html{scroll-padding-top:98px}}
@media(max-width:540px){html{scroll-padding-top:92px}}

/* Content enters gently as it reaches the viewport. */
.scroll-reveal{
  opacity:0;
  translate:0 24px;
  transition:opacity .65s ease var(--reveal-delay,0ms),translate .75s cubic-bezier(.22,1,.36,1) var(--reveal-delay,0ms),transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scroll-reveal.is-revealed{opacity:1;translate:0 0}
@media(max-width:540px){.scroll-reveal{translate:0 18px}.scroll-reveal.is-revealed{translate:0 0}}
@media(prefers-reduced-motion:reduce){.scroll-reveal{opacity:1;translate:none;transition:none!important}}
@media print{.scroll-reveal{opacity:1!important;translate:none!important}}

footer{flex-wrap:wrap}
footer .filing-link{flex-basis:100%;text-align:center;font-size:10px;line-height:1.8;letter-spacing:.2px;color:#8d9fb8;margin-top:3px}
footer .filing-link:hover{color:#4775b2}
@media(max-width:540px){footer .filing-link{text-align:left;margin-top:0;font-size:9px}}