body {
  font-family: "Inter", sans-serif;
  background-color: #111;
  color: #eee;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  padding: 3rem 1rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.3rem;
}

p {
  font-size: 1rem;
  color: #aaa;
}

main {
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.projects {
  width: 100%;
  max-width: 800px;
  text-align: center;
}

.project-card {
  background: #1b1b1b;
  border-radius: 12px;
  padding: 2rem;
  margin: 1.5rem auto;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
  transition: transform 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
}

.project-card img {
  max-width: 100%;
  border-radius: 8px;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  background-color: #3a86ff;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: #2667c9;
}

footer {
  text-align: center;
  padding: 1rem;
  border-top: 1px solid #333;
  color: #666;
  font-size: 0.9rem;
}

.project-detail {
  max-width: 800px;
  margin: auto;
  text-align: left;
}

.project-detail img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.formula {
  font-size: 1.1rem;
  color: #ccc;
  text-align: center;
  margin: 1.2rem 0;
}