* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f9;
}
/* Header / Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  padding: 3px 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ddd;
  z-index: 999;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.logo {
  display: flex;
  align-items: center;
}
.logo img {
  height: 50px;
  margin-right: 10px;
}
.company-name {
  font-size: 1.5rem;
  font-weight: bold;
  color: #004080;
}
nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
}
nav a:hover {
  color: #0073e6;
}
h1 {
    color: #004080;
    margin: 75px 0 50px;
    text-align: center;
}
.portfolio-container {
    max-width: 1200px;
    margin: 0 auto;
}
.portfolio-item {
    margin-bottom: 40px;
}
.portfolio-item h2 {
    color: #004080;
    font-size: 1.5em;
    margin-bottom: 10px;
}
.portfolio-item p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}
.portfolio-item iframe {
    width: 100%;
    height: 600px;
    border: 1px solid #ddd;
    border-radius: 8px;
}