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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
}

header {
  background: #2c3e50;
  color: #fff;
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #e74c3c;
}

.hero {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://source.unsplash.com/headers');
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  background: #e74c3c;
  color: #fff;
  padding: 0.8rem 2rem;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s;
}

.btn:hover {
  background: #c0392b;
}

.features {
  padding: 4rem 20px;
  background: #f4f4f4;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 2rem;
}

.feature-card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
}

footer {
  text-align: center;
  padding: 2rem;
  background: #2c3e50;
  color: #fff;
  margin-top: 2rem;
}