.navbar {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: none;
    border-radius: 0;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 24px;
    text-decoration: none;
    text-align: center !important;
    justify-content: center !important;
    z-index: 1000;
    position: sticky;
    top: 0;
    transition: all 0.3s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0080d0 0%, #00a3ff 50%, #0080d0 100%);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.navbar-custom {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-divisor {
    margin: 0 8px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    height: 20px;
    align-self: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    letter-spacing: 0.3px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0080d0 0%, #00a3ff 100%);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
    color: #ffffff !important;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 70%;
}

.navbar-custom .dropdown-menu {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-size: 0.9rem;
    padding: 8px;
    margin-top: 8px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar-custom .dropdown-item {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 10px 16px;
    transition: all 0.2s ease;
    border-radius: 6px;
    margin: 2px 4px;
    border: 1px solid transparent;
    font-weight: 500;
}

.navbar-custom .dropdown-item:hover,
.navbar-custom .dropdown-item:focus {
    color: #ffffff !important;
    background: rgba(0, 128, 208, 0.15);
    border: 1px solid rgba(0, 128, 208, 0.3);
    transform: translateX(4px);
}

.navbar-custom .dropdown-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    margin: 6px 12px;
}

.navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.4) !important;
    border-radius: 6px;
    padding: 8px 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.08) !important;
}

.navbar-toggler:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    border: 2px solid rgba(255, 255, 255, 0.6) !important;
    transform: scale(1.02);
}

.navbar-toggler span {
    color: #ffffff !important;
    font-weight: 600;
    font-size: 0.9rem;
}

.navbar-toggler i {
    margin-left: 6px;
    font-size: 1.1rem;
}

/* Responsivo */
@media (max-width: 991px) {
    .navbar {
        padding: 10px 16px;
    }
    
    .nav-link {
        padding: 10px 14px;
        margin: 4px 0;
    }
    
    .nav-divisor {
        display: none;
    }
    
    .navbar-nav {
        padding-top: 10px;
    }
}