/* Shared decorative background; content and controls retain their existing layers. */
.site-particles-enabled body{isolation:isolate}
.site-particle-layer{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;contain:strict}
#site-particles{display:block;width:100%;height:100%;pointer-events:none}
.site-particle-wash{position:absolute;inset:-15%;background:radial-gradient(ellipse at 82% 28%,#559cff20,transparent 38%),radial-gradient(ellipse at 15% 83%,#69d7ed12,transparent 38%);animation:particle-atmosphere-drift 20s ease-in-out infinite alternate}
html[data-theme="dark"] .site-particle-wash{background:radial-gradient(ellipse at 82% 28%,#175fa72b,transparent 40%),radial-gradient(ellipse at 10% 83%,#07556e24,transparent 35%)}
.particles-paused .site-particle-wash{animation-play-state:paused}
.particles-reduced .site-particle-layer{display:none}
.particle-motion-toggle{position:fixed;right:22px;bottom:22px;z-index:45;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:30px;padding:11px 16px;background:var(--glass);backdrop-filter:blur(16px);box-shadow:0 5px 20px #08214a12;font-size:12px;color:var(--muted)}
.particle-motion-toggle:hover{color:var(--blue);border-color:var(--blue)}
.particle-motion-toggle svg{fill:none;stroke:currentColor;stroke-width:1.6}.particle-motion-toggle .play-symbol{display:none}
.particle-motion-toggle[aria-pressed="true"] .pause-symbol{display:none}.particle-motion-toggle[aria-pressed="true"] .play-symbol{display:block}
.site-particles-enabled :is(.home-services,.closing-cta,.site-footer,.service-detail:nth-child(even),.related-projects,.company-principles,.case-design){background:color-mix(in srgb,var(--paper) 86%,transparent)}
.site-particles-enabled body[data-page="index"] .hero{background:radial-gradient(ellipse at 80% 28%,#ffffff99 0%,#f3f6fa66 38%,transparent 68%),linear-gradient(120deg,#f7f8fa55 30%,#e6ecf344 100%)}
html.site-particles-enabled[data-theme="dark"] body[data-page="index"] .hero{background:radial-gradient(ellipse at 80% 48%,#18355066 0%,#0a172b44 36%,transparent 65%),linear-gradient(120deg,#070e1844 30%,#07132233 100%)}
.site-particles-enabled .contact-page.contact-direct{background:transparent}
.site-particles-enabled .contact-atmosphere{mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,.16) 30%,#000 67%)}
.site-particles-enabled .contact-page.contact-direct:after{background:linear-gradient(180deg,rgba(var(--contact-rgb),.65),rgba(var(--contact-rgb),0) 170px),linear-gradient(90deg,rgba(var(--contact-rgb),.45),rgba(var(--contact-rgb),.40) 31%,rgba(var(--contact-rgb),.30) 49%,rgba(var(--contact-rgb),0) 66%)}
@keyframes particle-atmosphere-drift{from{transform:translate3d(-2%,-2%,0) rotate(-3deg)}to{transform:translate3d(2%,3%,0) rotate(4deg)}}
@media(max-width:760px){.site-particle-layer{opacity:.75}.particle-motion-toggle{right:14px;bottom:14px;padding:9px 12px}.site-particles-enabled .contact-atmosphere{mask-image:none}.site-particles-enabled .contact-page.contact-direct:after{background:none}}
@media(prefers-reduced-motion:reduce){.site-particle-layer,.particle-motion-toggle{display:none}}