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

body {
  background: #f0f2f5; /* soft gray */
  color: #333;
}

/* ===== NAV BAR ===== */
nav {
  background: #1f2d3d; /* blue-gray */
  padding: 14px 0;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

nav ul li {
  margin: 0 20px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 8px 14px;
  font-size: 18px;
  border-bottom: 2px solid transparent;
  transition: 0.3s ease;
}

nav ul li a:hover {
  color: #1e90ff;       /* blue hover */
  border-bottom: 2px solid #1e90ff;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 10px;
}

/* ===== BOX GRID ===== */
.box-area {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 per row */
  gap: 20px;
  margin-top: 20px;
}

.box {
  background: #e6e9ed; /* gray */
  padding: 30px;
  border: 3px solid #b0b0b0; /* visible gray border */
  border-radius: 10px;
  
  /* transition fixes */
  transition: border-color 0.3s ease, 
              box-shadow 0.3s ease, 
              transform 0.2s ease;
}

.box:hover {
  border-color: #1e90ff; /* blue */
  box-shadow: 0 0 15px #1e90ff;
  transform: translateY(-3px);
}

/* ===== HEADERS ===== */
h1 {
  color: #1f2d3d;
  margin-bottom: 20px;
}

/* ===== FOOTER ===== */
footer {
  margin-top: 40px;
  padding: 20px;
  background: #d5d9dd;
  text-align: center;
  border-radius: 10px;
}