{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  line-height: 1.6;
}

/* NAVBAR */
header {
  background: #111;
  color: #fff;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
}

/* BURGER */
.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background: white;
  margin: 5px;
}

/* HERO */
.hero {
  height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #f4f4f4;
  text-align: center;
}

.hero span {
  color: #007bff;
}

.btn {
  margin-top: 20px;
  padding: 10px 20px;
  background: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

/* SECTIONS */
section {
  padding: 60px 20px;
  text-align: center;
}

.projects .project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.project-card {
  background: #eee;
  padding: 40px;
}

/* footer */
footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 20px;
}


@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    right: 0;
    top: 70px;
    height: 100vh;
    background: #111;
    flex-direction: column;
    width: 200px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .nav-links li {
    margin: 30px 0;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .burger {
    display: block;
  }

  .projects .project-grid {
    grid-template-columns: 1fr;
  }
}