:root {
  --primary-color: #007BFF;
  --secondary-color: #fff;
  --text-color: #333;
}

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

body {
  font-family: Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--secondary-color);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

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

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

.nav-links a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #cce7ff;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(
      rgba(0, 123, 255, 0.8),
      rgba(0, 123, 255, 0.8)
    ),
    url('https://via.placeholder.com/1500x800') center/cover no-repeat;
  color: var(--secondary-color);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  animation: fadeIn 2s ease-in;
}

.hero-content {
  max-width: 800px;
  animation: slideUp 1s ease-out;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
}

.cta-btn {
  padding: 15px 30px;
  background-color: var(--secondary-color);
  border: none;
  color: var(--primary-color);
  font-size: 1rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-btn:hover {
  background-color: #e6e6e6;
  transform: scale(1.05);
}

/* Features, About & Contact Sections */
.features,
.about,
.contact {
  padding: 60px 20px;
  text-align: center;
}

.features h2,
.about h2,
.contact h2 {
  font-size: 2.5rem;
  margin-bottom: 40px;
  position: relative;
  display: inline-block;
}

.feature-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.feature-item {
  background-color: #f5f5f5;
  margin: 10px;
  padding: 20px;
  border-radius: 4px;
  flex: 1 1 300px;
  max-width: 300px;
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-10px);
}

#contactForm {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

#contactForm input,
#contactForm textarea {
  padding: 15px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

#contactForm button {
  padding: 15px;
  background-color: var(--primary-color);
  border: none;
  color: var(--secondary-color);
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#contactForm button:hover {
  background-color: #0056b3;
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  text-align: center;
  padding: 20px;
}

/* Keyframes for Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}