/* Reset and basic setup */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background: #f4f4f4;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}
.col-sm-6{width:50%;float:left;}
.col-sm-6 img{width: 100%;}
/* Header */
header {
  background: #004080;
  color: #fff;
  padding: 40px 0;
  text-align: center;
}

header h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

header .btn {
  background: #ff921e;
  color: #fff;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 5px;
  display: inline-block;
  margin-top: 15px;
}

/* Navigation */
nav {
  background: #fff;
  padding: 15px 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav ul {
  list-style: none;
  text-align: center;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  text-decoration: none;
  color: #004080;
  font-weight: bold;
}

/* Sections */
.section {
  padding: 50px 0;
}

.section.light {
  background: #fff;
}

.section h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 1.8rem;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  padding: 20px;
  border-radius:
}
@media (max-width: 768px) {
  .col-sm-6 {
    width: 100%;
    clear: both;
  }
}