/* ==== HEADER ==== */
header {
    width: 100%;
}

/* ==== NAVBAR BAWAH ==== */
header nav {
    display: none; /* Awalnya disembunyikan, akan ditampilkan dengan JavaScript */
    width: 100%;
    padding: 0 1.4rem;
    background-color: var(--bg-color);
    align-items: center;
    justify-content: space-between;
    position: fixed;
    left: 0;
    right: 0;
    bottom: -100%; /* Disembunyikan di luar viewport */
    z-index: 99;
    transform: translateY(0); /* Siap untuk animasi naik-turun */
    transition:
        bottom 1.5s ease-in-out,
        transform 0.8s ease-in-out,
        opacity 0.8s ease;
}

/* ==== NAVBAR AKTIF ==== */
header nav.active {
    bottom: 0; /* Tampilkan di bawah layar */
    display: flex;
}

/* ==== NAVBAR SAAT SCROLL (DISAPPEAR KE BAWAH) ==== */
header nav.scroll {
    transform: translateY(100%);
}

/* ==== LINK NAV ==== */
header nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 3rem;
    gap: 0.1rem;
    color: #000;
    font-size: 0.6rem;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ==== IKON NAV ==== */
header nav a i {
    font-size: 1.2rem;
}

/* ==== TEKS NAV ==== */
header nav a span {
    font-size: 0.6rem;
}

/* ==== HOVER NAV ==== */
header nav a:hover {
    background-color: #000;
    color: #fff;
    border-radius: 8px;
}