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

body {
  font-family: 'Inter', sans-serif;
  background-color: #0f172a;
  color: #f8fafc;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  padding: 80px 0;
}

.hero {
  text-align: center;
  padding: 120px 0;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
}

.tagline {
  margin-top: 10px;
  font-weight: 400;
  opacity: 0.8;
}

.intro {
  margin: 20px 0;
  font-size: 1.1rem;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  background: #3b82f6;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: 0.3s ease;
}

.secondary-btn {
  background: transparent;
  border: 1px solid #3b82f6;
  margin-left: 15px;
}

.secondary-btn:hover {
  background: #3b82f6;
}


.btn:hover {
  background: #2563eb;
}

.about {
  background: #111827;
}

.about h2,
.projects h2 {
  margin-bottom: 20px;
  font-size: 2rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.project-card {
  background: #1e293b;
  padding: 25px;
  border-radius: 8px;
  transition: 0.3s ease;
}

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

.project-card h3 {
  margin-bottom: 10px;
}

.project-card a {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
  color: #3b82f6;
}

footer {
  text-align: center;
  padding: 30px;
  background: #0b1120;
  font-size: 0.9rem;
  opacity: 0.7;
}