* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, sans-serif;
}


body {
  color: #222;
  line-height: 1.6;
}

.navbar {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #ddd;
  z-index: 1000;
}

.navbar ul {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  list-style: none;
  padding: 1rem;
  margin: 0;
}

.navbar a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
}

.navbar a:hover {
  color: #ff6b00;
}
html {
  scroll-behavior: smooth;
}

.hero {
  background: #111;
  color: white;
  padding: 4rem 1rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
}

.hero p {
  margin: 1rem 0;
}

.btn {
  display: inline-block;
  background: #ff6b00;
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 6px;
}

main {
  max-width: 900px;
  margin: auto;
  padding: 3rem 1rem;
}

section {
  margin-bottom: 3rem;
}

ul {
  list-style: none;
  margin-top: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.image-grid img {
  width: 100%;
  border-radius: 8px;
}

footer {
  background: #f4f4f4;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}
section {
  scroll-margin-top: 40px; /* height of navbar */
}