body {font-family: Inter, sans-serif;}
.hero-half {height:50vh; position:relative; overflow:hidden;}
.aero-curve {
position:absolute; width:100%; height:100%;
background: radial-gradient(circle at 40% 60%, #8ACBFF44 0%, transparent 60%),
            radial-gradient(circle at 70% 40%, #C8113F33 0%, transparent 60%);
filter: blur(40px); opacity:0.9;
animation:aeroFloat 9s ease-in-out infinite alternate;
}
@keyframes aeroFloat {from{transform:translateY(-12px);} to{transform:translateY(12px);}}
.page-exit {animation: pageExit .38s ease forwards;}
@keyframes pageExit {from{opacity:1;} to{opacity:0; transform:translateY(12px) skewY(-2deg);}}