.features-hero{min-height:110svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding-top:calc(var(--navbar-height) + var(--navbar-top) + var(--space-16));padding-bottom:var(--space-20);padding-inline:var(--section-pad-x);position:relative;overflow:hidden}.features-hero .section-label{margin-bottom:var(--space-8)}.brain-hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:0}.brain-showcase-img{width:clamp(400px,60vw,900px);height:auto;filter:drop-shadow(0 0 40px rgba(59,130,246,.25));animation:sx-float 9s ease-in-out infinite;will-change:transform}.brain-hero-content{position:relative;z-index:2;max-width:720px;display:flex;flex-direction:column;align-items:center;gap:var(--space-8);background:radial-gradient(circle,rgba(5,7,11,.55) 0%,transparent 70%);padding:var(--space-12);border-radius:var(--radius-2xl)}.brain-hero-content h1{max-width:16ch}.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-3);margin-top:var(--space-4)}.meet-snow-section{padding:var(--section-pad-y) var(--section-pad-x)}.meet-snow-section .split{align-items:center}.snow-float-img{width:clamp(280px,35vw,420px);height:auto;filter:drop-shadow(0 20px 50px rgba(59,130,246,.32));animation:sx-float 6s ease-in-out infinite;margin:0 auto}.ecosystem-orbit-section{padding:var(--section-pad-y) var(--section-pad-x);display:flex;flex-direction:column;align-items:center}.orbit-stage{position:relative;width:100%;max-width:1200px;height:clamp(400px,55vw,600px);display:flex;justify-content:center;align-items:center;margin-top:var(--space-12)}.orbit-card{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);will-change:transform,opacity;cursor:pointer}.orbit-card img{border-radius:var(--radius-md);border:1px solid var(--surface-border);box-shadow:var(--shadow-strong);pointer-events:none;display:block}.features-cta{padding:var(--section-pad-y) var(--section-pad-x);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-8)}@media (max-width: 767px){.brain-hero-content{padding:var(--space-8) var(--space-6)}.features-hero,.meet-snow-section,.ecosystem-orbit-section,.features-cta{padding-inline:var(--space-6)}.orbit-stage{height:420px}}.eco-section{min-height:100svh;padding:var(--section-pad-y) var(--section-pad-x);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.eco-section-col{flex-direction:column;text-align:center}.eco-ambient{position:absolute;top:50%;left:50%;width:80vw;height:80vw;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(59,130,246,.06) 0%,transparent 70%);pointer-events:none;z-index:0}.brain-center{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center;z-index:2}.brain-img-large{width:clamp(220px,32vw,440px);height:auto;filter:drop-shadow(0 0 60px rgba(59,130,246,.45));animation:sx-float 8s ease-in-out infinite;position:relative;z-index:10}.orbit-word{position:absolute;font-family:var(--font-display);font-size:clamp(1rem,1.5vw,1.5rem);font-weight:600;color:var(--text-primary);text-shadow:0 4px 20px rgba(59,130,246,.7);z-index:12;pointer-events:none}.sprite-canvas{z-index:10;position:relative;filter:drop-shadow(0 0 50px rgba(255,255,255,.12))}.speech-bubble{position:absolute;left:calc(50% + 180px);top:50%;transform:translateY(-50%);background:var(--surface);-webkit-backdrop-filter:var(--blur-modal);backdrop-filter:var(--blur-modal);border:1px solid var(--surface-border);padding:var(--space-6) var(--space-8);border-radius:var(--radius-lg);border-bottom-left-radius:4px;font-size:clamp(1rem,1.5vw,1.5rem);font-family:var(--font-body);font-weight:600;color:var(--text-primary);box-shadow:var(--shadow-medium);max-width:320px;z-index:15}.eco-split{display:flex;width:100%;max-width:1300px;margin:0 auto;align-items:center;gap:clamp(var(--space-12),8vw,var(--space-24));position:relative;z-index:5}.eco-split.reverse{flex-direction:row-reverse}.eco-text{flex:1;max-width:480px}.eco-visual{flex:1.2;position:relative}.eco-screenshot{width:100%;border-radius:var(--radius-md);box-shadow:var(--shadow-strong);border:1px solid var(--surface-border);display:block}.eco-screenshot-mobile{max-width:260px;margin:0 auto}.eco-cta-btn{display:inline-flex;align-items:center;gap:var(--space-3);margin-top:1.8rem;padding:12px 24px;border-radius:var(--radius-pill);background:#ffffff0d;border:1px solid rgba(255,255,255,.15);color:var(--text-primary);font-family:var(--font-body);font-size:var(--text-sm);font-weight:600;text-decoration:none;-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);transition:all var(--duration-fast) var(--ease-out)}.eco-cta-btn:hover{background:#5b8af02e;border-color:#5b8af073;color:#fff;transform:translateY(-2px);box-shadow:0 10px 30px #5b8af040}.eco-cta-btn .arrow{transition:transform var(--duration-fast) var(--ease-out)}.eco-cta-btn:hover .arrow{transform:translate(2px,-2px)}.hotspot{position:absolute;width:22px;height:22px;background:var(--accent);border:2px solid var(--text-primary);border-radius:50%;transform:translate(-50%,-50%);cursor:pointer;z-index:20;transition:transform var(--duration-fast) var(--ease-out)}.hotspot:after{content:"";position:absolute;top:-6px;left:-6px;right:-6px;bottom:-6px;border:1.5px solid rgba(91,138,240,.5);border-radius:50%;animation:sx-pulse 2s infinite}.hotspot:hover{transform:translate(-50%,-50%) scale(1.2)}.tooltip-card{position:absolute;bottom:calc(100% + 12px);left:50%;transform:translate(-50%) translateY(6px);background:var(--surface-raised);-webkit-backdrop-filter:var(--blur-sm);backdrop-filter:var(--blur-sm);border:1px solid var(--surface-border);padding:var(--space-2) var(--space-5);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:var(--text-sm);font-weight:600;color:var(--text-primary);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.hotspot:hover .tooltip-card{opacity:1;transform:translate(-50%) translateY(0)}.horizontal-flow{position:relative;width:100%;max-width:1300px;height:520px;display:flex;align-items:center;justify-content:space-between;z-index:5}.f-node{position:absolute;display:flex;flex-direction:column;align-items:center;z-index:10;transform:translate(-50%,-50%);font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);color:var(--text-primary)}.f-node-label{position:absolute;top:100%;margin-top:var(--space-4);white-space:nowrap}.f-node-img{width:72px;height:72px;border-radius:50%;margin-bottom:var(--space-4);background:var(--surface);border:1px solid var(--surface-border);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-soft)}.f-node.brain .f-node-img{width:140px;height:140px;background:transparent;border:none;box-shadow:none;filter:drop-shadow(0 0 30px rgba(59,130,246,.55))}.f-node.brain .f-node-img img{width:100%;transform:translateY(6px)}.f-node.text-label{background:var(--surface);border:1px solid var(--surface-border);padding:var(--space-3) var(--space-6);border-radius:var(--radius-pill);font-size:var(--text-sm)}.flow-path{fill:none;stroke:#5b8af02e;stroke-width:2;stroke-dasharray:6 6}.flow-particle{fill:var(--accent-bright);filter:drop-shadow(0 0 6px var(--accent-bright))}@media (max-width: 1023px){.eco-split,.eco-split.reverse{flex-direction:column;text-align:center}.eco-text{margin:0 auto}.speech-bubble{left:50%;top:calc(100% + 20px);transform:translate(-50%)}}@media (max-width: 767px){.eco-section{padding-inline:var(--space-6);min-height:90svh}.horizontal-flow{min-width:900px;overflow-x:auto}}