:root{--airbus-navy: #00205B;--airbus-blue: #0078D4;--airbus-cyan: #00B0F0;--airbus-light: #E8ECF1;--airbus-white: #FFFFFF;--bg-primary: #060A14;--bg-secondary: #0B1120;--bg-card: #0F1729;--bg-card-hover: #141E33;--bg-panel: #0A0F1C;--text-primary: #E8ECF1;--text-secondary: #8B95A8;--text-muted: #5A6478;--accent-green: #10B981;--accent-yellow: #F59E0B;--accent-red: #EF4444;--accent-purple: #8B5CF6;--border-subtle: rgba(0, 120, 212, .12);--border-medium: rgba(0, 120, 212, .25);--border-bright: rgba(0, 176, 240, .4);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--section-pad: 7rem;--container-max: 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var(--border-subtle);gap:.75rem}.nav-links.open,.nav-mobile-toggle{display:flex}.hero-title-line{font-size:3.5rem}.hero-title-sub,.hero-title-accent{font-size:1.2rem}.section-title{font-size:2.25rem}.problem-visual,.solution-grid,.sim-grid{grid-template-columns:1fr}.tech-grid{grid-template-columns:repeat(2,1fr)}.rl-flow{flex-direction:column;align-items:center}.rl-arrow{transform:rotate(90deg);min-width:auto;min-height:50px;padding-top:0}.rl-node{width:100%;max-width:400px}}@media (max-width: 640px){:root{--section-pad: 4rem}.container{padding:0 1.25rem}.hero-title-line{font-size:2.5rem;letter-spacing:2px}.hero-title-sub,.hero-title-accent{font-size:1rem}.hero-features{flex-direction:column;align-items:center}.section-title{font-size:1.85rem}.tech-grid{grid-template-columns:1fr}.cta-title{font-size:2rem}.footer-inner{flex-direction:column;text-align:center}.hero-actions{flex-direction:column;align-items:center}}.airport-marker{background:none!important;border:none!important}