/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #243238;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container and Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  padding: 60px 0;
}

h1, h2, h3 {
  font-weight: 600;
  color: #1a1f2b;
}

p {
  margin-top: 1rem;
  color: #4a4f5c;
}

/* Header */
.header {
  background-color: #2d394b;
  color: #fff;
  padding: 20px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 999;
}

.header h1 {
  font-size: 1.5rem;
  color: #fff;
}

.nav a {
  margin-left: 20px;
  color: #9cc9f5;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover {
  color: #ffffff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  background-color: #00a3ff;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #007ed6;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(145deg, #2196f3, #1976d2);
  color: white;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

.hero h1,
.hero p {
  color: white;
}

/* Call to Action */
.cta {
  background-color: #f7f9fc;
  padding: 60px 20px;
  text-align: center;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.cta .btn {
  margin-top: 20px;
}

/* Footer */
.footer {
  background-color: #2d394b;
  color: #b0bec5;
  text-align: center;
  padding: 30px 20px;
  font-size: 0.9rem;
}

.footer a {
  color: #9cc9f5;
  text-decoration: none;
}

.footer a:hover {
  color: #ffffff;
}