.platform-site{margin:0;background:var(--arc1-canvas);color:var(--arc1-text);font-family:Inter,Arial,sans-serif;line-height:1.6}.platform-site *{box-sizing:border-box}.platform-site main [id]{scroll-margin-top:84px}.platform-site h1,.platform-site h2,.platform-site h3,.platform-site p,.platform-site figure{margin:0}.platform-shell{max-width:1296px;margin-inline:auto;padding-inline:clamp(20px,4vw,48px)}.platform-cover{padding:88px 0 64px;border-bottom:1px solid var(--arc1-hairline);background:radial-gradient(ellipse at 70% 110%,color-mix(in srgb,var(--arc1-accent) 9%,transparent),transparent 65%)}.platform-eyebrow{font:11px/1.6 "JetBrains Mono",monospace;letter-spacing:.14em;color:var(--arc1-text-muted)}.platform-cover h1{font-size:clamp(40px,5vw,70px);font-weight:450;line-height:1.07;letter-spacing:-.047em;margin:22px 0 30px}.platform-opening{display:grid;grid-template-columns:1.6fr 1fr;gap:64px;align-items:end}.platform-opening>p{max-width:57ch;font-size:19px;color:var(--arc1-text-2)}.platform-standing{border-left:2px solid var(--arc1-accent);padding-left:22px}.platform-standing>span{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--arc1-text-muted);margin-bottom:8px}.platform-standing strong{font-size:14px;font-weight:500;line-height:1.7}.platform-architecture,.platform-process,.platform-evidence{padding-block:68px;border-bottom:1px solid var(--arc1-hairline)}.platform-section-heading{display:grid;grid-template-columns:1fr 2fr;gap:32px;margin-bottom:40px}.platform-section-heading>.platform-eyebrow{padding-top:8px}.platform-site h2{font-size:clamp(28px,3vw,42px);font-weight:450;line-height:1.14;letter-spacing:-.035em}.platform-section-heading p:not(.platform-eyebrow){margin-top:20px;max-width:60ch;color:var(--arc1-text-2);font-size:16px}.platform-diagram{padding:32px;background:var(--arc1-panel-gradient);border:1px solid var(--arc1-hairline-strong);border-radius:20px;box-shadow:0 18px 60px #00000014,inset 0 1px 0 #ffffff09}.platform-diagram>figcaption{font-size:12px;color:var(--arc1-text-muted);margin-bottom:24px}.platform-hub{padding:25px 30px;background:var(--arc1-raised-gradient);border:1px solid var(--arc1-accent-edge);border-radius:12px;position:relative;box-shadow:0 0 40px #246bfd09}.platform-hub h3{font-size:25px;font-weight:500;letter-spacing:-.025em;margin:8px 0 24px}.platform-states{display:flex;gap:28px;list-style:none;margin:0;padding:0}.platform-states li{font-size:14px;display:flex;gap:10px;align-items:center}.platform-states span{font:11px "JetBrains Mono",monospace;color:var(--arc1-accent-text)}.platform-hub>p{font-size:12px;color:var(--arc1-text-muted);padding-top:22px;margin-top:22px;border-top:1px solid var(--arc1-hairline)}.platform-management{display:flex;justify-content:center;gap:70px;padding:24px 0}.platform-management p{display:grid;grid-template-columns:25px 1fr;column-gap:8px;font-size:11px;color:var(--arc1-text-muted)}.platform-management p>span:first-child{grid-row:span 2;font-size:28px;color:var(--arc1-accent-text)}.platform-management strong{font-size:13px;color:var(--arc1-text-2);font-weight:500}.platform-boundary{border:1px solid var(--arc1-hairline-strong);border-radius:12px;padding:24px}.platform-path{display:grid;grid-template-columns:1fr 24px 1.8fr 24px 1fr;gap:18px;align-items:center;margin-top:24px}.platform-path strong{font-size:15px;font-weight:550}.platform-path span:not(.platform-path-arrow){display:block;font-size:12px;color:var(--arc1-text-muted);margin-top:6px}.platform-path-arrow{font-size:25px;color:var(--arc1-text-muted)}.platform-gateways{display:grid;gap:16px}.platform-gateways>div{border-left:2px solid var(--arc1-accent-edge);padding:8px 16px}.platform-gateways>.platform-contract{border-left-style:dashed}.platform-caption{margin-top:24px!important;color:var(--arc1-text-muted);font-size:12px;max-width:95ch}.platform-proof{font-size:12px;color:var(--arc1-text-muted);max-width:105ch;margin:22px 0 0!important;padding-left:16px;border-left:1px solid var(--arc1-hairline-strong)}.platform-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:42px}.platform-number{font:12px "JetBrains Mono",monospace;color:var(--arc1-accent-text)}.platform-principles h3{font-size:24px;line-height:1.2;font-weight:500;letter-spacing:-.025em;margin:20px 0 16px}.platform-principles p{font-size:15px;color:var(--arc1-text-2)}.platform-evidence{display:grid;grid-template-columns:1.2fr 1fr;gap:90px}.platform-evidence h2{margin-top:20px}.platform-evidence p:not(.platform-eyebrow){margin-top:24px;font-size:16px;color:var(--arc1-text-2);max-width:56ch}.platform-text-link{display:inline-flex;gap:20px;align-items:center;font-size:14px;color:var(--arc1-accent-text);text-decoration:none;margin-top:24px;min-height:44px}.platform-text-link:hover{text-decoration:underline}.platform-evidence dl{margin:0}.platform-evidence dl>div{padding:24px 0;border-bottom:1px solid var(--arc1-hairline)}.platform-evidence dt{font-size:18px;font-weight:500}.platform-evidence dd{margin:8px 0 0;font-size:14px;color:var(--arc1-text-muted)}.platform-next{padding-block:64px;display:flex;align-items:center;justify-content:space-between;gap:40px}.platform-next h2{margin-top:20px}.platform-next p:not(.platform-eyebrow){margin-top:20px;color:var(--arc1-text-2)}.platform-site .button.primary{background:#eff4fb;color:#132238;box-shadow:inset 0 1px 0 #fff;border:1px solid #d9e2ee;white-space:normal}.platform-site .button.primary:hover{background:#fff;color:#0d192d}.platform-site :focus-visible{outline:2px solid var(--arc1-accent);outline-offset:5px}.platform-site .insights-footer{max-width:1296px;margin:auto;padding:44px clamp(20px,4vw,48px);border-top:1px solid var(--arc1-hairline)}.platform-site .a1-footer-row{display:flex;justify-content:space-between;gap:30px}.platform-site .footer-links{display:flex;gap:12px 20px;flex-wrap:wrap;justify-content:flex-end}.platform-site .footer-links a{color:var(--arc1-text-muted);font-size:12px;text-decoration:none}.platform-site .a1-footer-note{font-size:12px;color:var(--arc1-text-muted);margin-top:24px}.platform-site .insights-footer{background:#050a14;max-width:none}.platform-site .insights-footer>div,.platform-site .insights-footer>p{max-width:1200px;margin-inline:auto}.platform-site .insights-footer>p{margin-top:24px}.a1-home-platform{margin-top:24px;padding-top:22px;border-top:1px solid var(--arc1-hairline)}.a1-home-platform p{font-size:14px;line-height:1.7;color:var(--arc1-text-2);max-width:62ch;margin:0}.a1-home-platform .platform-home-standing{font-size:12px;color:var(--arc1-text-muted);margin-top:14px}.a1-home-platform .platform-text-link{margin-top:12px}@media(max-width:800px){.platform-cover{padding-block:48px}.platform-opening,.platform-section-heading,.platform-evidence{grid-template-columns:1fr;gap:25px}.platform-standing{margin-top:4px}.platform-opening>p{font-size:17px}.platform-cover h1{font-size:44px}.platform-cover h1 br{display:none}.platform-architecture,.platform-process,.platform-evidence{padding-block:44px}.platform-section-heading{margin-bottom:28px}.platform-diagram{padding:20px}.platform-hub{padding:20px}.platform-hub h3{font-size:23px}.platform-states{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px}.platform-states li{align-items:flex-start;font-size:13px}.platform-states span{padding-top:3px}.platform-management{gap:20px}.platform-management p{grid-template-columns:19px 1fr}.platform-path{grid-template-columns:1fr;gap:12px}.platform-path-arrow{transform:rotate(90deg);justify-self:center}.platform-boundary{padding:20px}.platform-principles{grid-template-columns:1fr;gap:30px}.platform-principles article{border-top:1px solid var(--arc1-hairline);padding-top:20px}.platform-principles h3{margin:14px 0}.platform-evidence{gap:20px}.platform-next{padding-block:44px;align-items:flex-start;flex-direction:column;gap:26px}.platform-site .a1-footer-row{flex-direction:column}.platform-site .footer-links{justify-content:flex-start}}@media(max-width:380px){.platform-cover h1{font-size:37px}.platform-diagram{padding:14px}.platform-hub{padding:16px}.platform-states{grid-template-columns:1fr}.platform-management{flex-direction:column;gap:12px;padding-left:20px}.platform-proof{padding-left:12px}}@media(prefers-reduced-motion:reduce){.platform-site *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}.platform-site .insights-footer::before{content:none}