:root {
    --primary-blue: #0a2a5e;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

.navbar {
    background-color: var(--primary-blue) !important;
}

.footer {
    background-color: var(--primary-blue) !important;
}

.hero {
    background: linear-gradient(rgba(10, 42, 94, 0.75), rgba(10, 42, 94, 0.85)), url('../images/flag-building.png') center/cover no-repeat;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.nav-link {
    color: white !important;
    font-weight: 500;
}

    .nav-link:hover {
        color: #ffd700 !important;
    }

.feature-grid img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.systems-img {
    width: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.feature-img {
    width: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.founders-img {
    width: 100%;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.white-transparent {
    background-color: rgb(255 255 255 / 20%);
}

.btn-demo {
    background-color: #22c55e;
    color: white;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 1.1rem;
}

    .btn-demo:hover {
        background-color: #16a34a;
        color: white;
    }

#backToTop {
    transition: all 0.3s ease;
}

    #backToTop:hover {
        transform: scale(1.1);
        background-color: #212529 !important; /* darker on hover */
    }