/* General */
body {
    font-family: Arial, sans-serif;
    color: #333;
    margin: 0;
    background-color: #f8f9fa;
}

/* Header */
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #0b1f4a; /* dark blue */
    padding: 15px 30px;
}

.logo {
    width: 150px;
    height: auto;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

.navbar a:hover {
    color: #f0a500; /* accent color */
}

/* Hero */
.hero {
    position: relative;
    background: url('images/hero.jpg') no-repeat center center/cover;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
}

.hero::after {
    content: "";
    position: absolute;
    top:0; left:0;
    width: 100%; height: 100%;
    background-color: rgba(11,31,74,0.6);
}

.hero h1 {
    position: relative;
    font-size: 2.2rem;
    z-index: 1;
}

/* Expertise Preview */
.expertise-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 40px 20px;
}

.expertise-cards a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #333;
    width: 180px;
    transition: transform 0.3s;
}

.expertise-cards a:hover {
    transform: scale(1.05);
}

.expertise-cards img {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
}

/* Expertise Sections */
main section {
    text-align: center;
    margin: 40px 20px;
}

main section img {
    width: 120px;
    height: 120px;
    margin-bottom: 15px;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    background-color: #0b1f4a;
    color: #fff;
}