/* Reset & Global */
* { margin:0; padding:0; box-sizing:border-box; font-family:'DM Sans', sans-serif; }
html, body { 
    background-color: #111111;
    color: rgba(255, 255, 255, 0.8);
    line-height:1.6; 
}
a { text-decoration:none; color:inherit; }
img { max-width:100%; display:block; }

/* Utility */
.center { text-align:center; }
.rounded { border-radius:16px; }

/* Ana bloklar için arka plan rengi */
.hero,
.intro,
.equipment,
.demo-grid,
.banner-center,
.contact-form,
footer {
    background-color: #111111; /* sayfa zemini ile uyumlu */
}

/* Responsive Helper */
@media (max-width:1024px){
    .flex-column { flex-direction:column; }
}