/* NAVBAR REVOLUTION */
.navbar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(15px); /* Inafanya iwe kama kioo cha baridi */
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 18px 0;
    transition: all 0.4s ease;
}

.navbar-brand {
    font-size: 1.6rem;
    letter-spacing: -1px;
    background: linear-gradient(45deg, #212529, #0dcaf0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: #444 !important;
    margin: 0 12px;
    font-size: 0.95rem;
    position: relative;
    transition: 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--ppi-info);
    transition: 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}