body {
    background-color: var(--nist-light);
    font-family: "Segoe UI", sans-serif;
    line-height: 1.6;
}

:root {
    --nist-blue: #2d4697;
    --nist-orange: #df9d00;
    --nist-dark-blue: #003c71;
    --nist-light-blue: #e6f2ff;
    --nist-gray: #f8f9fa;
    --nist-yellow: #FFD200;
}

/* Header Navbar */
.navbar {
    background-color: var(--nist-blue);
    padding: 1rem 0;
}

.navbar-brand img {
    height: 40px;
}

.navbar-nav .nav-link {
    color: #fff !important;
    font-weight: 500;
    margin-right: 1rem;
    transition: opacity 0.3s ease;
}

.navbar-nav .nav-link:hover {
    opacity: 0.8;
}

.navbar .btn-signin {
    background-color: #fff;
    color: var(--nist-blue);
    font-weight: 600;
    border-radius: 6px;
    padding: 8px 20px;
    transition: all 0.3s ease;
}

.navbar .btn-signin:hover {
    background-color: #f8f9fa;
    transform: translateY(-1px);
}

/* Mobile Navbar */
@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 1rem;
    }

    .navbar-nav {
        text-align: center;
    }

    .navbar-nav .nav-item {
        margin: 0.5rem 0;
    }

    .navbar .btn-signin {
        width: 100%;
        margin-top: 0.5rem;
    }
}

.tracking-header {
    background: #2d4697;
    color: #fff;
    padding: 40px 10px;
    border-radius: 12px;
}

.step-box {
    border-radius: 12px;
    background: #fff;
    padding: 25px 20px;
    text-align: center;
    height: 100%;
    transition: .3s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
}

.step-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, .15);
}

.step-number {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: #2d4697;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 10px;
}

.progress-container {
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
}

.status-pill {
    background-color: #d1e7dd;
    color: #0f5132;
    padding: 3px 15px;
    border-radius: 20px;
    font-size: 14px;
}




/* Footer */
footer {
    background-color: #000000;
    color: #fff;
    padding: 3rem 0 2rem;
    margin-top: 3rem;
}

footer a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

footer a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-links p {
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 2rem 0 1.5rem;
}