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.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}.swimos .feature h3{margin:8px 0;font-size:18px}.swimos .feature-tag{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:700}.swimos .physics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px}.swimos .physics-item{display:flex;gap:12px;align-items:flex-start}.swimos .physics-dot{width:10px;height:10px;border-radius:50%;margin-top:6px;flex:none;background:var(--accent);box-shadow:0 0 10px 1px #29e0d099}.swimos .cta-band{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 32px;flex-wrap:wrap;background:linear-gradient(120deg,#29e0d014,#4c8dff14)}@media (max-width: 900px){.swimos .hero-inner{grid-template-columns:1fr}.swimos .hero-visual{height:300px}.swimos .hero-title{font-size:34px}.swimos .feature-grid,.swimos .physics-grid{grid-template-columns:1fr}}.swimos .sim-layout{display:grid;grid-template-columns:300px 1fr 300px;gap:16px;align-items:start}.swimos .sim-col-left,.swimos .sim-col-right{position:sticky;top:var(--sticky-top)}.swimos .toolbar{display:flex;align-items:center;gap:8px;margin-bottom:12px}.swimos .legend{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:12px;color:var(--text-dim)}.swimos .legend span{display:inline-flex;align-items:center;gap:6px}.swimos .legend i{width:12px;height:12px;border-radius:3px;display:inline-block}@media (max-width: 1080px){.swimos .sim-layout{grid-template-columns:1fr}.swimos .sim-col-left,.swimos .sim-col-right{position:static}}:root{--porcelain: #f5f7fb;--porcelain-sunk: #eef1f7;--card: #ffffff;--ink: #0a0f1e;--viewport: #080c1a;--viewport-panel: #10162c;--text: #131a2c;--text-soft: #4d566d;--text-mute: #79839c;--text-on-dark: #e9edf7;--text-on-dark-soft: #9aa4bd;--cyan-deep: #0c8f80;--cyan: #14b8a4;--cyan-glow: #3fe3cb;--rose-deep: #cf2e6b;--rose: #f0518a;--rose-glow: 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