/* ============================================
   PREMIUM NAVIGATION
   Modern, Sticky Navigation with Smooth Effects
   ============================================ */

/* ========== TOP BAR ========== */
.topbar-premium {
    background: var(--dark-bg);
    color: rgba(255,255,255,0.9);
    padding: 0.75rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.topbar-premium-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.topbar-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.topbar-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.8);
    transition: color var(--transition-base);
}

.topbar-info-item:hover {
    color: var(--white);
}

.topbar-info-item i {
    color: var(--primary-light);
}

.topbar-links {
    display: flex;
    gap: 1.5rem;
}

.topbar-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-link:hover {
    color: var(--white);
}

.topbar-link i {
    font-size: 0.875rem;
}

/* ========== MAIN NAVIGATION ========== */
.navbar-premium {
    background: var(--white);
    box-shadow: var(--shadow-md);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar-premium.scrolled {
    box-shadow: var(--shadow-lg);
    padding: 0.25rem 0;
}

.navbar-premium-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Logo */
.navbar-logo-premium {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: transform var(--transition-base);
}

.navbar-logo-premium:hover {
    transform: scale(1.05);
}

.navbar-logo-img {
    height: 50px;
    width: auto;
    transition: all var(--transition-base);
}

.navbar-premium.scrolled .navbar-logo-img {
    height: 40px;
}

.navbar-brand-text {
    display: flex;
    flex-direction: column;
}

.navbar-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-ocean);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.navbar-brand-tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Navigation Menu */
.navbar-menu-premium {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-item-premium {
    position: relative;
}

.navbar-link-premium {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.navbar-link-premium::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 3px;
    background: var(--gradient-ocean);
    border-radius: 2px;
    transition: transform var(--transition-base);
}

.navbar-link-premium:hover {
    color: var(--primary-color);
    background: rgba(26, 115, 232, 0.05);
}

.navbar-link-premium:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.navbar-link-premium.active {
    color: var(--primary-color);
    background: rgba(26, 115, 232, 0.1);
}

.navbar-link-premium.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Dropdown Menu */
.navbar-dropdown-premium {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    min-width: 220px;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
    margin-top: 0.5rem;
}

.navbar-item-premium:hover .navbar-dropdown-premium {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    font-size: 0.95rem;
}

.navbar-dropdown-item:hover {
    background: var(--light-bg);
    color: var(--primary-color);
    padding-left: 1.25rem;
}

.navbar-dropdown-item i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* Action Buttons */
.navbar-actions-premium {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-search-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-bg);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
}

.navbar-search-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.navbar-cta-btn {
    background: var(--gradient-ocean);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Toggle */
.navbar-toggle-premium {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    transition: all var(--transition-base);
}

.navbar-toggle-premium span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.navbar-toggle-premium.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle-premium.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle-premium.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========== MEGA MENU (Optional) ========== */
.navbar-megamenu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    border-top: 3px solid var(--primary-color);
}

.navbar-item-premium:hover .navbar-megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.megamenu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.megamenu-column h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.megamenu-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.megamenu-links li {
    margin-bottom: 0.75rem;
}

.megamenu-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.megamenu-links a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.megamenu-links a i {
    font-size: 0.875rem;
}

/* ========== SEARCH OVERLAY ========== */
.search-overlay-premium {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.search-overlay-premium.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-content {
    max-width: 800px;
    width: 90%;
    position: relative;
}

.search-overlay-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    background: transparent;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.search-overlay-close:hover {
    background: var(--white);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.search-overlay-form {
    display: flex;
    gap: 1rem;
}

.search-overlay-input {
    flex: 1;
    padding: 1.5rem 2rem;
    font-size: 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--white);
    color: var(--text-primary);
}

.search-overlay-input:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.3);
}

.search-overlay-btn {
    padding: 1.5rem 2.5rem;
    background: var(--gradient-ocean);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.search-overlay-btn:hover {
    transform: scale(1.05);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .navbar-menu-premium {
        gap: 0.25rem;
    }
    
    .navbar-link-premium {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .megamenu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .topbar-premium {
        display: none;
    }
    
    .navbar-toggle-premium {
        display: flex;
    }
    
    .navbar-menu-premium {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 1.5rem 2rem;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        overflow-y: auto;
        gap: 0;
    }
    
    .navbar-menu-premium.active {
        right: 0;
    }
    
    .navbar-link-premium {
        padding: 1rem;
        border-radius: 0;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    
    .navbar-link-premium::after {
        display: none;
    }
    
    .navbar-dropdown-premium {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 0;
        padding-left: 1rem;
        background: var(--light-bg);
        display: none;
    }
    
    .navbar-item-premium.active .navbar-dropdown-premium {
        display: block;
    }
    
    .navbar-actions-premium {
        gap: 0.5rem;
    }
    
    .navbar-cta-btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    .navbar-megamenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 1rem;
        background: var(--light-bg);
        display: none;
    }
    
    .megamenu-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .search-overlay-form {
        flex-direction: column;
    }
    
    .search-overlay-input {
        font-size: 1.25rem;
        padding: 1.25rem 1.5rem;
    }
    
    .search-overlay-btn {
        padding: 1.25rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .navbar-logo-img {
        height: 40px;
    }
    
    .navbar-brand-name {
        font-size: 1.25rem;
    }
    
    .navbar-brand-tagline {
        display: none;
    }
    
    .navbar-menu-premium {
        width: 100%;
        right: -100%;
    }
}