body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f3f3f3;
  color: #111;
}

header {
  background: #ffffff;
  padding: 1em 2em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav h1 {
  margin: 0;
  font-weight: 600;
  font-size: 1.2rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1em;
}

nav ul li a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  padding: 2em;
  background: #fafafa;
  align-items: center;
  justify-content: center;
}

.hero-text {
  flex: 1;
  min-width: 280px;
  max-width: 500px;
  padding: 1em;
}

.hero-text h2 {
  font-size: 3rem;
  margin-bottom: 1em;
}

.hero-text p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.5em;
}

.btn {
  padding: 0.8em 1.5em;
  background: #111;
  color: white;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
}

.hero-image {
  flex: 1;
  min-width: 280px;
  max-width: 600px;
  padding: 1em;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}