.nav {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(25px) scale(0.95);
    opacity: 0;
    background: rgba(var(--card), 0.65);
    backdrop-filter: blur(18px) saturate(140%);
    border-radius: 1.5rem;
    padding: 14px 28px;
    display: flex;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(var(--primary), 0.2);
    transition: transform 0.5s ease, opacity 0.5s ease;
    z-index: 999;
}

.nav.show {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
}

.nav.hide-scroll {
    transform: translateX(-150%) translateY(25px) scale(0.95);
    opacity: 0;
}

.nav.hide-click {
    transform: translateX(-50%) translateY(25px) scale(0.95);
    opacity: 0;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 36px;
    position: relative;
}

.nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 500;
    text-decoration: none;
    color: rgb(var(--muted-foreground));
    transition: all 0.3s ease;
    position: relative;
    padding: 6px 8px;
}

.nav__link i {
    font-size: 1.3rem;
    margin-bottom: 2px;
    transition: transform 0.25s ease, color 0.25s ease;
}

.nav__link:hover i {
    transform: translateY(-2px) scale(1.05);
    color: rgb(var(--primary));
}

.nav__link.active-link {
    color: rgb(var(--primary));
}

.nav__link.active-link::after {
    content: "";
    position: absolute;
    bottom: -6px;
    width: 28px;
    height: 3px;
    background: rgb(var(--primary));
    border-radius: 4px;
    animation: glow 1.5s infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 4px rgb(var(--primary)); }
    to { box-shadow: 0 0 12px rgb(var(--primary)); }
}

.nav-toggle {
    position: fixed;
    bottom: 28px;
    left: 20px;
    font-size: 1.6rem;
    background: rgba(var(--card), 0.65);
    backdrop-filter: blur(12px) saturate(140%);
    border-radius: 50%;
    padding: 8px 10px;
    cursor: pointer;
    color: rgb(var(--muted-foreground));
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    transition: transform 0.3s ease, color 0.3s ease;
    z-index: 1000;
}

.nav-toggle:hover {
    transform: scale(1.1);
    color: rgb(var(--primary));
}