* {
box-sizing: border-box;
margin: 0;
padding: 0;
}

body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
background: #f6f7f9;
color: #333;
}

.container {
max-width: 1000px;
margin: 60px auto;
padding: 0 20px;
text-align: center;
}

.heading {
font-size: 2.5rem;
margin-bottom: 16px;
}

.intro {
font-size: 1.1rem;
color: #666;
margin-bottom: 40px;
}

.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
gap: 16px;
}

.grid img {
width: 100%;
aspect-ratio:  3/4;
object-fit: cover;
border-radius: 10px;
display: block;
transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.grid img:hover {
transform: scale(1.04);
box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}