* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, sans-serif;
}

body {
  background: #fafafa;
  color: #333;
  line-height: 1.7;
}

/* Main header */
.main-header {
  text-align: center;
  padding: 60px 20px;
  background: white;
  border-bottom: 1px solid #eee;
}

.main-header h1 {
  font-size: 32px;
  font-weight: 700;
}

.subtitle {
  margin-top: 10px;
  font-size: 18px;
  color: #666;
}

/* Cards */
.cards-container {
  max-width: 1000px;
  margin: 40px auto;
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 20px;
}

.info-card {
  background: white;
  padding: 25px;
  width: 280px;
  text-decoration: none;
  color: #333;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
  transition: 0.2s;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 5px 14px rgba(0,0,0,0.12);
}

.info-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.info-card p {
  color: #555;
}

/* Page headers */
.sub-header {
  text-align: center;
  padding: 50px 20px;
  background: white;
  border-bottom: 1px solid #eee;
}

.sub-header h1 {
  font-size: 30px;
}

/* Content */
.content {
  max-width: 900px;
  margin: 30px auto;
  padding: 20px;
  font-size: 17px;
}

.content h2 {
  margin-top: 25px;
  font-size: 22px;
}