:root{--color-bg: #0c1222;--color-bg-elevated: #121a2e;--color-surface: #162038;--color-border: #243047;--color-text: #e8edf5;--color-text-muted: #94a3b8;--color-accent: #38bdf8;--color-accent-dim: #0ea5e9;--color-aviation: #f59e0b;--color-aviation-dim: #d97706;--font-sans: "DM Sans", system-ui, -apple-system, sans-serif;--font-display: "Outfit", var(--font-sans);--radius: 10px;--shadow: 0 20px 50px rgba(0, 0, 0, .35);--max: 1120px;--header-h: 4rem}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--font-sans);font-size:1rem;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}main{flex:1}a{color:var(--color-accent);text-decoration:none;text-underline-offset:3px;transition:color .15s ease}a:hover{color:#7dd3fc}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;font-weight:600;letter-spacing:-.02em}h1{font-size:clamp(2rem,4.5vw,2.75rem)}h2{font-size:clamp(1.5rem,3vw,2rem)}h3{font-size:1.2rem}p{margin:0 0 1rem}ul{margin:0 0 1rem;padding-left:1.2rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.35rem;font-size:.95rem;font-weight:600;font-family:var(--font-sans);border:none;border-radius:var(--radius);cursor:pointer;text-decoration:none;transition:transform .12s ease,background .15s ease,box-shadow .15s ease}.btn:active{transform:scale(.98)}.btn--primary{background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-dim) 100%);color:#0c1222;box-shadow:0 4px 20px #0ea5e959}.btn--primary:hover{color:#0c1222;box-shadow:0 6px 28px #0ea5e973}.btn--secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover{color:var(--color-text);border-color:var(--color-text-muted);background:rgba(255,255,255,.04)}.btn--aviation{background:linear-gradient(135deg,var(--color-aviation) 0%,var(--color-aviation-dim) 100%);color:#0c1222;box-shadow:0 4px 20px #f59e0b4d}.btn--aviation:hover{color:#0c1222}.container{width:100%;max-width:var(--max);margin-left:auto;margin-right:auto;padding-left:1.25rem;padding-right:1.25rem}.section{padding:3.5rem 0}@media (min-width: 768px){.section{padding:4.5rem 0}}.section--tight{padding-top:2rem;padding-bottom:2rem}.muted{color:var(--color-text-muted);font-size:.95rem}.lead{font-size:1.1rem;line-height:1.7;color:var(--color-text-muted)}.eyebrow{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--color-accent);margin:0 0 .5rem}.eyebrow--amber{color:var(--color-aviation)}.grid-2{display:grid;gap:1.5rem}@media (min-width: 768px){.grid-2{grid-template-columns:1fr 1fr;gap:2rem}}.grid-3{display:grid;gap:1.25rem}@media (min-width: 900px){.grid-3{grid-template-columns:repeat(3,1fr)}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.zone-digital{--zone-accent: var(--color-accent)}.zone-aviation{--zone-accent: var(--color-aviation)}.zone-bar{width:3rem;height:3px;background:var(--zone-accent, var(--color-accent));border-radius:2px;margin-bottom:1rem}