/* ===================================
   NAVBAR PREMIUM
   =================================== */

#mainNav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: transparent;
    transition: all var(--transition-normal);
    z-index: 1030;
}

#mainNav.scrolled {
    padding: 12px 0;
    background: rgba(15, 15, 35, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar-brand {
    display: flex;
    align-items: center;
    padding: 0;
    transition: all var(--transition-fast);
}

.navbar-brand img {
    height: 90px;
    width: auto;
    transition: all var(--transition-normal);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

#mainNav.scrolled .navbar-brand img {
    height: 75px;
}

.navbar-toggler {
    border: none;
    padding: 10px;
    background: var(--gradient-purple);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='white' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 26px;
    height: 26px;
}

.navbar-nav {
    gap: 0.25rem;
}

.nav-link {
    color: var(--white) !important;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 12px 24px !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    letter-spacing: 0.3px;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 24px;
    width: 0;
    height: 2px;
    background: var(--gradient-purple);
    transition: width var(--transition-normal);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: calc(100% - 48px);
}

.nav-link:hover {
    color: var(--white) !important;
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--white) !important;
}

/* CTA Button in Navbar */
.nav-cta {
    margin-left: 1.5rem;
}

.nav-cta .btn {
    padding: 12px 28px;
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* Mobile Menu */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        padding: 30px;
        border-radius: var(--radius-md);
        margin-top: 20px;
        box-shadow: var(--shadow-xl);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-nav {
        gap: 0;
    }
    
    .nav-link {
        padding: 16px 20px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-link::before {
        display: none;
    }
    
    .nav-cta {
        margin-left: 0;
        margin-top: 1.5rem;
    }
    
    .nav-cta .btn {
        width: 100%;
    }
}

@media (min-width: 992px) {
    .navbar-expand-lg .navbar-nav {
        align-items: center;
    }
}