:root{color-scheme:light;--ink:#18201f;--ink-soft:#2a3331;--muted:#5d6b68;--line:#e2e7e5;--line-strong:#d2dad7;--panel:#f6f8f7;--panel-raised:#ffffff;--accent:#1f7a64;--accent-strong:#205c4e;--accent-dark:#143b33;--accent-tint:#e8f2ee;--danger:#9d2d2d;--brand-green:#7bc472;--hue-cyan:#00c9f6;--hue-blue:#326ce5;--hue-purple:#6d41ff;--radius-sm:8px;--radius:14px;--radius-lg:20px;--shadow-xs:0 1px 2px rgba(20,32,30,0.06);--shadow-sm:0 2px 8px rgba(20,32,30,0.06),0 1px 2px rgba(20,32,30,0.04);--shadow-md:0 12px 30px -12px rgba(20,32,30,0.18),0 2px 6px rgba(20,32,30,0.05);--shadow-lg:0 24px 60px -20px rgba(20,32,30,0.28);--ease:cubic-bezier(0.22,0.61,0.36,1)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;overflow-x:hidden;color:var(--ink);background:#ffffff;font-family:Lato,Arial,Helvetica,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit}::selection{background:var(--accent-tint);color:var(--accent-dark)}.page-shell{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:72px 0 88px}.site-nav{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px max(20px,calc((100vw - 1120px) / 2));color:#ffffff;background:rgba(18,26,24,.82);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}.site-nav .brand{margin:0;font-size:1.12rem;letter-spacing:-.01em;text-decoration:none}.nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px 22px}.nav-links a{position:relative;text-decoration:none;font-weight:600;font-size:.94rem;color:rgba(255,255,255,.82);transition:color .2s var(--ease)}.nav-links a:hover{color:#ffffff}.nav-links a:not(.nav-cta):after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}.nav-links a:not(.nav-cta):hover:after{transform:scaleX(1)}.nav-cta{min-height:38px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;color:var(--ink)!important;background:#ffffff;font-weight:700;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s 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22px;font-size:clamp(2.2rem,5vw,4.2rem);line-height:1.04;letter-spacing:-.025em}h2,h3{letter-spacing:-.015em}.brand,.light-button,.nav-links,.primary-button,.secondary-button,button,h1,h2,h3{font-family:Montserrat,Arial,Helvetica,sans-serif}.hero p{max-width:720px;margin:0 auto;color:var(--muted);font-size:1.22rem;line-height:1.6}.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:34px}.light-button,.primary-button,.secondary-button,button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;padding:0 24px;border-radius:999px;font:inherit;font-weight:700;font-size:.98rem;text-decoration:none;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}.primary-button,button{color:#ffffff;background:linear-gradient(180deg,var(--accent) 0,var(--accent-strong) 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62%),radial-gradient(46% 95% at 92% 8%,rgba(109,65,255,.14) 0,rgba(109,65,255,0) 60%),radial-gradient(60% 100% at 50% 112%,rgba(0,201,246,.12) 0,rgba(0,201,246,0) 60%),linear-gradient(180deg,#172220,#111b19)}.dark-band#sovereign-ai{background:radial-gradient(50% 85% at 12% 0,rgba(0,201,246,.16) 0,rgba(0,201,246,0) 62%),radial-gradient(46% 95% at 90% 6%,rgba(109,65,255,.16) 0,rgba(109,65,255,0) 60%),radial-gradient(60% 100% at 50% 112%,rgba(50,108,229,.13) 0,rgba(50,108,229,0) 60%),linear-gradient(180deg,#141d21,#101a1d)}.dark-band .section-lead{color:#c4d2ce}.appliance-section h2,.contact-section h2,.dark-band h2,.founder-section h2,.platform-section h2{margin:0 0 18px;text-align:center;font-size:clamp(2rem,4vw,3rem);line-height:1.1}.section-lead{max-width:760px;margin:0 auto 52px;color:var(--muted);text-align:center;font-size:1.18rem;line-height:1.65}.feature-grid,.platform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:22px;gap:22px}.feature-grid article,.platform-grid article,.quiz-panel,.side-panel{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-raised);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}.feature-grid article:before,.platform-grid article:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;border-radius:var(--radius) var(--radius) 0 0;background:linear-gradient(90deg,var(--accent) 0,var(--accent-strong) 100%);opacity:0;transition:opacity .25s var(--ease)}.feature-grid article:hover,.platform-grid article:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}.feature-grid article:hover:before,.platform-grid article:hover:before{opacity:1}.dark-band .feature-grid article{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.04);box-shadow:none;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.dark-band 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solid rgba(255,255,255,.12);border-radius:var(--radius);background:rgba(255,255,255,.04);transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease)}.talking-head:hover{transform:translateY(-4px);background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22)}.talking-head img{grid-row:1/span 3;width:76px;height:76px;object-fit:cover;object-position:center;border-radius:50%;border:2px solid rgba(255,255,255,.2)}.talking-head strong{font-family:Montserrat,Arial,Helvetica,sans-serif;font-size:1.05rem}.talking-head small,.talking-head span{color:#c4d2ce}.talking-head p{grid-column:1/-1;margin:14px 0 0;color:#e2ebe8;line-height:1.55;font-style:italic}.founder-section{display:grid;grid-template-columns:240px minmax(0,1fr);grid-gap:48px;gap:48px;align-items:center;border-bottom:1px solid var(--line)}.founder-section img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.founder-section 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var(--ease)}.option:hover{border-color:var(--accent);background:var(--accent-tint)}.option:has(input:checked){border-color:var(--accent);background:var(--accent-tint);box-shadow:inset 0 0 0 1px var(--accent)}.option input{margin-top:3px;accent-color:var(--accent-strong)}.free-text{width:100%;min-height:112px;margin-top:22px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-sm);font:inherit;resize:vertical;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.free-text:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}.quiz-actions{display:flex;justify-content:space-between;gap:12px;margin-top:30px}.muted-button{color:var(--ink);background:#ffffff;border-color:var(--line-strong)!important;box-shadow:var(--shadow-xs)}.muted-button:hover:not(:disabled){border-color:var(--accent)!important;color:var(--accent-strong);box-shadow:var(--shadow-sm)}.side-panel h2,.side-panel h3{margin:0 0 12px}.side-panel li,.side-panel p{color:var(--muted);line-height:1.55}.side-panel ul{padding-left:20px}.error{color:var(--danger);font-weight:700}.success-box{border:1px solid #b7d6c8;border-radius:var(--radius);background:linear-gradient(180deg,#f1f9f5,#eaf5f0);padding:24px;margin-top:26px}.namespace{display:inline-block;margin-top:10px;padding:9px 12px;background:#ffffff;border:1px solid #a7c7ba;border-radius:var(--radius-sm);font-family:Courier New,monospace}.tier-picker{margin-top:22px}.tier-picker h3{margin:0}.tier-picker h4{margin:24px 0 0}.tier-picker button{margin-top:20px}.sandbox-list{margin-top:28px}.sandbox-row{display:grid;grid-gap:4px;gap:4px;padding:14px 0;border-top:1px solid #b7d6c8}.sandbox-row span{color:var(--muted)}@media (max-width:860px){.page-shell{padding:52px 0 64px}.site-nav{position:static;align-items:flex-start;flex-direction:column;backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--ink)}.nav-links{justify-content:flex-start}.feature-grid,.founder-section,.media-row,.platform-grid,.quiz-layout,.talking-head-grid{grid-template-columns:1fr}.media-row-reverse img{order:0}.topbar{align-items:flex-start;flex-direction:column}}