* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

html, body {
  margin: 0;
  border: 0;
  padding: 0;
  background-color: #fff;
  color: #333;
  line-height: 1.6;
}

/* Header Styles */
header {
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo a {
  color: #E31837;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.5rem;
}

.nav-links a {
  color: #333;
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: #E31837;
}

/* Main Content Styles */
main {
  margin: 80px auto 0;
  padding: 2rem 5%;
  max-width: 1200px;
}

.hero {
  text-align: center;
  padding: 4rem 0;
}

.hero h1 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
}

.guarantees {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 4rem 0;
}

.guarantee-card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.guarantee-card h2 {
  color: #E31837;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.guarantee-card p {
  color: #666;
}

/* Footer Styles */
footer {
  background-color: #f5f5f5;
  padding: 4rem 5% 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-section h3 {
  color: #333;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #666;
  text-decoration: none;
}

.footer-section a:hover {
  color: #E31837;
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #ddd;
  color: #666;
}