body{margin:0;font-family:Inter,Arial,sans-serif;background:#f8f9fa;color:#222}section{padding:3rem 1rem;max-width:900px;margin:0 auto}.hero{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;background:linear-gradient(90deg,#e0eafc,#cfdef3)}.about,.portfolio,.tech-stack,.testimonials,.contact{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000000a;margin-bottom:2rem}.footer{text-align:center;padding:2rem 1rem;background:#222;color:#fff}@media (max-width: 600px){section{padding:2rem .5rem}.hero{min-height:40vh;font-size:1.2rem}}