:root {
    --primary-color: #0056b3;
    --secondary-color: #ffc107;
    --accent-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    padding-top: 76px; /* Account for fixed navbar */
}

.navbar {
    background-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-section {
    margin-top: -76px;
    height: 100vh;
    position: relative;
}

.carousel-item {
    height: 100vh;
}

.carousel-img-1,
.carousel-img-2,
.carousel-img-3,
.carousel-img-4,
.carousel-img-5 {
    height: 100%;
    background-size: cover;
    background-position: center;
}

.carousel-img-1 {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/logistics\ operations.png');
}

.carousel-img-2 {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/Air\ Freight\ Services2.png');
}

.carousel-img-3 {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/Air\ Freight\ Services.jpg');
}

.carousel-img-4 {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/Banner-Shipping-converted.png');
}

.carousel-img-5 {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/Custom\ Clearance.jpg');
}

.carousel-caption {
    bottom: 40%;
    text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}

.carousel-caption h2 {
    font-size: 3rem;
    font-weight: 700;
}

.service-card {
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    border-radius: 10px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 3rem;
}

.what-we-do .feature-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.feature-card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

.about-img {
    height: 400px;
    background: url('images/logistics operations.png');
    background-size: cover;
    background-position: center;
    border-radius: 10px;
}

.register {
    background-color: var(--light-color);
}

.card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #004494;
    border-color: #004494;
}

#map {
    z-index: 1;
}

footer a {
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .carousel-caption h2 {
        font-size: 2rem;
    }
    
    .carousel-caption p {
        font-size: 1rem;
    }
}