* {
  box-sizing: border-box;
}
 
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.7;
}
 
/* Containers */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}
 
/* Header */
.header {
  background: #0b3c5d;
}
 
.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  flex-wrap: wrap;
}
 
.logo {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
}
 
.nav a {
  color: #ffffff;
  margin-left: 20px;
  text-decoration: none;
  font-size: 15px;
}
 
/* Hero */
.hero {
  background: #f8fafc;
  padding: 80px 0;
}
 
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
 
.hero h1 {
  font-size: 42px;
  margin-bottom: 12px;
  color: #0b3c5d;
}
 
.hero img {
  width: 100%;
  max-width: 420px;
}
 
/* Features */
.features {
  padding: 80px 0;
}
 
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
}
 
.feature-card {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
 
.feature-card img {
  width: 120px;
  margin-bottom: 16px;
}
 
/* Info Sections */
.info-section {
  padding: 80px 0;
}
 
.info-section.light {
  background: #f1f5f9;
}
 
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
 
.info-grid img {
  width: 100%;
  max-width: 420px;
}
 
/* Footer */
.footer {
  background: #0f172a;
  color: #e5e7eb;
  padding: 50px 0;
  font-size: 14px;
}
 
/* RESPONSIVE BREAKPOINTS */
@media (max-width: 900px) {
  .hero-grid,
  .info-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
 
  .nav {
    margin-top: 12px;
  }
 
  .nav a {
    margin: 0 10px;
    display: inline-block;
  }
  .header-flex {
    display: inline-block;
    text-align: center;
  }
}
 
@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
  }
 
  .feature-card {
    padding: 24px;
  }
}