* {
  box-sizing: border-box;
  }

body {
font-family: Arial, sans-serif;
margin: 0;
background-color: #f7f7f7;
color: #222;
line-height: 1.6;
}

header {
background-color: #222;
color: white;
padding: 60px 20px;
text-align: center;
}

header h1 {
margin: 0;
font-size: 42px;
}

header h2 {
margin-top: 10px;
font-weight: normal;
color: #dddddd;
}

header p {
max-width: 700px;
margin: 20px auto 0;
font-size: 18px;
}

main {
max-width: 1000px;
margin: 0 auto;
padding: 40px 20px;
}

section {
margin-bottom: 50px;
}

h2 {
margin-bottom: 20px;
border-bottom: 2px solid #dddddd;
padding-bottom: 10px;
}

.skills-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 20px;
}

.card,
.project {
background-color: white;
border: 1px solid #dddddd;
border-radius: 10px;
padding: 20px;
margin-bottom: 20px;
}

.card h3,
.project h3 {
margin-top: 0;
}

footer {
text-align: center;
padding: 30px 20px;
background-color: #222;
color: white;
}

@media (max-width: 700px) {
.skills-grid {
grid-template-columns: 1fr;
}

header h1 {
font-size: 32px;
}
}