/* Navigation Bar Styles */
.navbar {
    background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(245,245,245,0.98) 100%) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 12px 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 8px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    background: linear-gradient(45deg, #3a7bd5, #00d2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    margin-right: 2rem;
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.navbar-brand img {
    transition: all 0.3s ease;
    height: 40px;
}

.navbar-brand:hover img {
    transform: scale(1.1);
}

.nav-link {
    position: relative;
    color: #333 !important;
    font-weight: 500;
    margin: 0 8px;
    padding: 8px 12px !important;
    transition: all 0.3s ease;
    font-size: 1.05rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 3px;
    left: 50%;
    background: linear-gradient(45deg, #3a7bd5, #00d2ff);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.navbar .btn {
    border-radius: 30px;
    padding: 8px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: none;
    background: linear-gradient(45deg, #3a7bd5, #00d2ff);
    box-shadow: 0 4px 15px rgba(58, 123, 213, 0.2);
    color: white !important;
    margin-left: 10px;
}

.navbar .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(58, 123, 213, 0.4);
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Mobile Menu */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler-icon {
    background-image: none;
    width: 24px;
    height: 2px;
    background: #3a7bd5;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #3a7bd5;
    left: 0;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
    transform: translateY(-8px);
}

.navbar-toggler-icon::after {
    transform: translateY(8px);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: rotate(-45deg);
}

/* Dropdown Menu */
.dropdown-menu {
    border: none;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    padding: 10px 0;
    margin-top: 10px;
    animation: fadeIn 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-item {
    padding: 8px 20px;
    transition: all 0.2s ease;
    color: #333;
}

.dropdown-item:hover {
    background: linear-gradient(45deg, #3a7bd5, #00d2ff);
    color: white !important;
    transform: translateX(8px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: white;
        border-radius: 10px;
        padding: 15px;
        margin-top: 15px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-link {
        margin: 5px 0;
        padding: 10px 15px !important;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .navbar .btn {
        margin: 10px 0 0 0;
        width: 100%;
        text-align: center;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(30, 30, 30, 0.98) !important;
    }
    
    .navbar-collapse {
        background: #1e1e1e;
    }
    
    .nav-link {
        color: #f0f0f0 !important;
    }
    
    .dropdown-menu {
        background: #2d2d2d;
        border: 1px solid #3a3a3a;
    }
    
    .dropdown-item {
        color: #f0f0f0;
    }
    
    .dropdown-item:hover {
        color: white !important;
    }
}