/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  color: #333;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: #4CAF50;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  font-size: 1.6rem;
  font-weight: bold;
}
nav ul {
  display: flex;
  list-style: none;
}
nav ul li {
  margin-left: 20px;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
nav ul li a:hover {
  color: #ffeb3b;
}

/* Mobile menu hack */
#menu-toggle {
  display: none;
}
.menu-icon {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: url('https://picsum.photos/1600/800') no-repeat center center/cover;
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  padding: 20px;
}
.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}
.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.btn {
  display: inline-block;
  background: #ff9800;
  color: #fff;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}
.btn:hover {
  background: #e68900;
}

/* Features */
.features {
  padding: 60px 20px;
  text-align: center;
  background: #f9f9f9;
}
.features h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}
.feature-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}
.feature-card {
  background: #fff;
  padding: 20px;
  flex: 1 1 250px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}
.feature-card:hover {
  transform: translateY(-5px);
}
.feature-card h3 {
  margin-bottom: 10px;
  color: #4CAF50;
}

/* About */
.about {
  padding: 60px 20px;
  text-align: center;
}
.about h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}
.about p {
  max-width: 700px;
  margin: auto;
  font-size: 1.1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: #333;
  color: #fff;
}
.social-links a {
  margin: 0 10px;
  color: #fff;
  font-size: 1.2rem;
  text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    background: #4CAF50;
    position: absolute;
    top: 70px;
    right: 0;
    width: 200px;
    padding: 20px;
  }
  #menu-toggle:checked + .menu-icon + nav ul {
    display: flex;
  }
  .menu-icon {
    display: block;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .feature-container {
    flex-direction: column;
    align-items: center;
  }
}