:root {
  --primary: #2C3E50;
  --secondary: #3498DB;
  --background: #F8F9FA;
  --footer-bg: #1A252F;
  --button: #2ECC71;
  --section-bg-1: #FFFFFF;
  --section-bg-2: #EAEDED;
  --section-bg-3: #D5DBDB;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@400;600&display=swap');

body {
  font-family: var(--font-body);
  background-color: var(--background);
  color: var(--primary);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  border-bottom: 2px solid var(--secondary);
  padding-bottom: 0.5rem;
  display: inline-block;
}

p {
  margin-bottom: 1.5rem;
  max-width: 65ch;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--button);
  color: white;
  border-radius: 0.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.btn:hover::after {
  transform: translateX(0);
}

.section {
  padding: 4rem 0;
}

.section-bg-1 {
  background-color: var(--section-bg-1);
}

.section-bg-2 {
  background-color: var(--section-bg-2);
}

.section-bg-3 {
  background-color: var(--section-bg-3);
}

.security-icon {
  color: var(--secondary);
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

.card {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  padding: 2rem;
  transition: all 0.3s ease;
  border-left: 4px solid var(--secondary);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

footer {
  background-color: var(--footer-bg);
  color: white;
  padding: 3rem 0;
}

footer a {
  color: white;
}

footer a:hover {
  color: var(--secondary);
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .section {
    padding: 2rem 0;
  }
}