*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;background:#0a0a0f;color:#f5f5f7;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Yu Gothic UI,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}main{min-height:100vh;flex-direction:column}.hero,main{display:flex}.hero{flex:1 1;flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(2rem,8vw,6rem);background:radial-gradient(ellipse at top left,rgba(120,80,255,.25),transparent 60%),radial-gradient(ellipse at bottom right,rgba(80,200,255,.18),transparent 60%)}.brand{font-size:.9rem;letter-spacing:.3em;color:#b8b8c5;margin-bottom:1.5rem;text-transform:uppercase}.headline{font-size:clamp(2rem,6vw,4.5rem);font-weight:700;line-height:1.15;margin:0 0 1.5rem;letter-spacing:-.02em;max-width:18ch}.sub{font-size:clamp(1rem,1.6vw,1.25rem);color:#c8c8d2;line-height:1.7;max-width:56ch;margin:0 0 2.5rem}.tagline{font-size:.85rem;letter-spacing:.2em;color:#8888a0;text-transform:uppercase}footer{padding:1.5rem clamp(2rem,8vw,6rem);font-size:.8rem;color:#6e6e80;border-top:1px solid hsla(0,0%,100%,.06)}