body, html {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #000;
  color: #fff;
}

/* Header Section */
.header {
  background-color: #111;
  padding: 20px;
  text-align: center;
}

.nav {
  display: flex;
  justify-content: center;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 20px;
}

.nav-links li {
  display: inline;
}

.nav-links a {
  text-decoration: none;
  color: #fff;
  font-weight: bold;
}

.nav-links a:hover {
  color: #2596be;
}

/* Portfolio Section */
.portfolio-section {
  padding: 50px;
  text-align: center;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  justify-content: center;
  align-items: start;
  margin-top: 20px;
}

.portfolio-card {
  background-color: #1a1a1a;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: transform 0.3s ease;
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.6);
}

.portfolio-card h2 {
  font-size: 1.5em;
  margin-bottom: 10px;
  color: #f7ba2b;
}

.portfolio-card p {
  font-size: 1em;
  color: #bbb;
  margin-bottom: 15px;
}

.button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #2596be;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: #1a6f8a;
}

/* Footer Section */
.footer {
  background-color: #111;
  padding: 20px;
  text-align: center;
  color: #fff;
}