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

/* BODY */
body {
  background: #f7f7f7;
  color: #333;
  line-height: 1.6;
}

/* HEADER */
header {
  background: #0a3d62;
  padding: 20px;
  color: #fff;
}

header h1 {
  text-align: center;
  font-size: 28px;
}

/* NAVIGATION */
nav {
  background: #1e5799;
  padding: 10px;
  text-align: center;
}

nav a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
  font-size: 18px;
}

nav a:hover {
  text-decoration: underline;
}

/* HERO SECTION */
.hero {
  background-size: cover;
  background-position: center;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 32px;
  font-weight: bold;
  text-shadow: 2px 2px 5px #000;
}

/* SECTIONS */
section {
  padding: 40px;
  max-width: 1100px;
  margin: auto;
}

section h2 {
  font-size: 26px;
  margin-bottom: 20px;
  color: #0a3d62;
}

section p {
  font-size: 18px;
  margin-bottom: 20px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.grid-item {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  text-align: center;
}

.grid-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
}

.grid-item h3 {
  margin-top: 15px;
  font-size: 20px;
  color: #0a3d62;
}

/* BUTTON */
.btn {
  display: inline-block;
  background: #0a3d62;
  color: #fff;
  padding: 12px 20px;
  border-radius: 5px;
  text-decoration: none;
  margin-top: 15px;
}

.btn:hover {
  background: #07406e;
}

/* FOOTER */
footer {
  background: #0a3d62;
  color: #fff;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}