body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f9f9f9;
  color: #222;
}
header {
  background-color: #222;
  color: #fff;
  padding: 1.8rem 1rem;
  text-align: center;
}
header h1 {
  margin-bottom: 0.2rem;
}
nav a {
  color: #fff;
  margin: 0 1.2rem;
  text-decoration: none;
  font-weight: bold;
}
section {
  max-width: 800px;
  background: white;
  margin: 2rem auto;
  padding: 1.8rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
h2 {
  color: #333;
  border-bottom: 2px solid #222;
  padding-bottom: 0.4rem;
}
ul {
  list-style: none;
  padding-left: 0;
}
ul li {
  padding: 0.3rem 0;
}
.project {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-left: 4px solid #222;
  background-color: #f4f4f4;
  border-radius: 6px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}
input, textarea {
  padding: 0.7em;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1em;
  font-family: inherit;
  transition: border-color 0.3s ease;
}
input:focus, textarea:focus {
  border-color: #222;
  outline: none;
}
textarea {
  min-height: 100px;
  resize: vertical;
}
button {
  width: max-content;
  padding: 0.7em 1.5em;
  color: #fff;
  background: #222;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1em;
  align-self: flex-start;
  transition: background-color 0.3s ease;
}
button:hover {
  background-color: #555;
}
a {
  color: #222;
  text-decoration: underline;
}
footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #555;
}
@media (max-width: 600px) {
  section {
    margin: 1rem 0.5rem;
  }
  nav a {
    margin: 0 0.5rem;
    font-size: 14px;
  }
}