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.art-hero,.art-platform,.art-solutions{width:100%;height:100%;position:relative;background:#081727}
.art-hero{background:radial-gradient(circle at 30% 30%, rgba(45,217,231,.25), transparent 40%),radial-gradient(circle at 75% 65%, rgba(168,147,255,.2), transparent 42%),repeating-linear-gradient(0deg, rgba(79,190,211,.06) 0 1px, transparent 1px 34px),repeating-linear-gradient(90deg, rgba(79,190,211,.06) 0 1px, transparent 1px 34px),#081727}
.art-platform{background:radial-gradient(circle at 40% 45%, rgba(45,217,231,.22), transparent 45%), radial-gradient(circle at 70% 30%, rgba(168,147,255,.16), transparent 40%), #081727}
.art-solutions{background:radial-gradient(circle at 60% 40%, rgba(83,229,138,.18), transparent 42%), radial-gradient(circle at 25% 70%, rgba(45,217,231,.18), transparent 40%), #081727}
.node{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.node.g{background:var(--green);box-shadow:0 0 12px var(--green)}
.node.v{background:var(--violet);box-shadow:0 0 12px var(--violet)}
.link{position:absolute;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);transform-origin:left}
.page-section{animation:fadeIn .35s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.toast{position:fixed;top:20px;right:20px;z-index:100;background:#0b2236;border:1px solid var(--green);color:var(--white);padding:14px 18px;font:13px var(--font-body);box-shadow:0 12px 30px rgba(0,0,0,.35);display:flex;gap:10px;align-items:center;transform:translateX(140%);transition:transform .35s ease}
.toast.show{transform:translateX(0)}
.toast strong{color:var(--green)}
.field-error{border-color:#ff6b6b !important}
@media(max-width:1120px){.header-inner{gap:18px;padding:0 22px}.main-nav{gap:16px}.main-nav a{font-size:12px}.app-link{display:none}.hero-section,.page-hero,.hvac-hero,.security-hero{padding-inline:24px}.flow-section,.products-section,.layer-section,.markets-page-grid,.component-grid,.security-grid{padding-inline:24px}.platform-copy{padding-right:38px}.market-strip,.deployment-section,.contact-hero{padding-inline:24px}.component-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.main-nav,.header-actions{display:none}.menu-toggle{display:block;margin-left:auto}.hero-section,.page-hero,.hvac-hero,.security-hero{display:block;padding:60px 20px}.hero-copy{padding-left:17px}.hero-system{margin-top:48px;min-height:auto;aspect-ratio:1.1}.flow-section,.products-section,.layer-section,.markets-page-grid,.component-grid,.security-grid{padding:72px 20px}.flow-grid{grid-template-columns:1fr 1fr}.flow-step:nth-child(3){border-left:1px solid var(--line)}.platform-preview,.market-strip,.layer-section,.deployment-section,.security-grid,.contact-shell{grid-template-columns:1fr}.platform-visual{min-height:380px}.platform-copy{padding:58px 24px}.product-grid{grid-template-columns:1fr}.product-card{min-height:330px}.market-tags{grid-template-columns:1fr 1fr}.page-hero .art-box{margin-top:35px;height:280px}.markets-page-grid{grid-template-columns:1fr}.hvac-board{margin-top:40px;min-height:390px}.hvac-notes{padding:10px 20px 75px;grid-template-columns:1fr}.security-orbit{margin-top:38px;height:370px}.r1{width:330px;height:330px}.r2{width:230px;height:230px}.security-grid .section-intro{grid-column:span 2}.components{display:block}.component-network{margin-top:35px}.contact-shell{margin:0 20px 75px}.contact-side{order:-1}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{gap:13px;flex-direction:column}.status-cell{padding-inline:8px}.status-cell span{font-size:7px}.status-cell strong{font-size:11px}}
@media(max-width:520px){.hero-copy h1,.page-hero h1,.hvac-copy h1,.security-hero h1,.contact-hero h1{font-size:51px}.hero-system{aspect-ratio:.92}.system-header,.board-top{left:10px;right:10px;font-size:7px}.signal-badge{font-size:7px;padding:5px 6px}.flow-grid{grid-template-columns:1fr}.flow-step{border-left:1px solid var(--line)}.flow-top,.section-cap{display:block}.section-index,.mini-link{margin-top:18px}.market-strip{gap:38px}.market-tags{grid-template-columns:1fr}.market-tag{min-height:115px}.deployment-cards{grid-template-columns:1fr}.security-grid{grid-template-columns:1fr}.security-grid .section-intro{grid-column:auto}.component-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.board-footer{grid-template-columns:repeat(2,1fr)}.board-footer span{font-size:7px}.status-backplane{grid-template-columns:repeat(2,1fr);height:50px}.status-cell:nth-child(3),.status-cell:nth-child(4){display:none}.contact-hero{padding:70px 20px 45px}.orbit-point{font-size:7px}.p2{right:0}.p4{left:0}}