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

body {
  background-color: #f5f7fa;
  color: #1f2933;
}

/* Header */
.header {
  background-color: #ffffff;
  padding: 20px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.logo {
  font-size: 22px;
  font-weight: bold;
}

.nav a {
  margin-left: 24px;
  text-decoration: none;
  color: #333;
  font-size: 14px;
}

.nav a:hover {
  color: #2563eb;
}

/* Hero */
.hero {
  padding: 80px 60px;
  background: linear-gradient(135deg, #2563eb, #1e40af);
  color: white;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 16px;
  max-width: 500px;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 15px;
}

.btn {
  padding: 12px 22px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  border: none;
}

.btn.primary {
  background-color: white;
  color: #1e40af;
  font-weight: 600;
}

.btn.secondary {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: white;
}

/* Features */
.features {
  padding: 60px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.06);
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.feature-card p {
  font-size: 14px;
  color: #555;
}

/* Footer */
.footer {
  text-align: center;
  padding: 25px;
  background-color: #ffffff;
  color: #666;
  font-size: 13px;
}