:root {
    --primary-color: #007bff;
    --secondary-color: #b0b0b0;
    --text-color: #ffffff;
    --background-color: #1a2234;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

.navbar {
    background-color: #1a2234;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: bold;
}

.nav-link {
    color: var(--text-color) !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

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

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

.highlight {
    color: var(--primary-color);
}

.social-icons a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: var(--primary-color);
}

@media (max-width: 991px) {
    .navbar-nav {
        margin-top: 1rem;
    }
    .btn-primary {
        margin-top: 1rem;
    }
}

.splash-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: var(--text-color);
    font-size: 3rem;
    font-weight: bold;
    text-align: center;
    animation: fadeIn 1.5s ease-in-out, fadeOut 1.5s ease-in-out 1.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.main-content {
    display: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    color: var(--primary-color);
}

p, li {
    font-weight: 400;
    color: var(--secondary-color);
}

footer {
    flex-shrink: 0;
    padding: 20px 0;
    color: var(--secondary-color);
}

li, a{
    text-decoration: none;
    color: var(--primary-color);
}