/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img{
    max-width: 100%;
    height: auto;
}

body {
    width: 100%;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f9f9f9;
}

/* Header & Banner */
header {
  position: relative;
  width: 100%;
  height: 250px;
  background: url('../images/banner.jpg') center/cover no-repeat;
}

header h1 {
  position: absolute;
  bottom: 20px;
  left: 40px;
  color: #fff;
  font-size: 2.5rem;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.7);
}

/* Navigation */
nav {
  background: #004080;
  display: grid;
}

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

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  display: block;
  padding: 15px;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}

nav ul li a:hover {
  background: #003060;
}

container{
    width: 100%;
}

media {
      max-width:768px;
}

/* Main Content */
main {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 20px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: #eee;
  font-size: 0.9rem;
  margin-top: 40px;
}