*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #160001;
  color: #f5f5f5;
  overflow-y: auto;
  scroll-behavior: smooth;
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #160001;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
  inset: 0;
  z-index: 0;
}

.portfolio-root {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.site-footer{
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding: 1rem 0 2rem;
  color: #d9d9d9;
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .portfolio-root { align-items: flex-start; }
}