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

body {
  font-family: 'Inter', sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  line-height: 1.6;
}

.hero {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.btn {
  background-color: #38bdf8;
  color: #fff;
  padding: 10px 25px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  transition: background 0.3s;
}

.btn:hover {
  background-color: #0284c7;
}

.projects {
  padding: 60px 20px;
  max-width: 1100px;
  margin: auto;
  text-align: center;
}

.projects h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.card {
  background-color: white;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  color: #0f172a;
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.footer {
  text-align: center;
  padding: 20px;
  background-color: #0f172a;
  color: #cbd5e1;
  font-size: 14px;
}