/* ========================================
   01-NAVIGATION.CSS - NK Insurance
   Top Banner & Navigation Styles
   ======================================== */

/* ========================================
   Top Banner
   ======================================== */
.top-banner {
    background: var(--primary);
    color: white;
    padding: 0.625rem 0;
    font-size: var(--font-xs);
    font-weight: var(--font-medium);
    border-bottom: 1px solid rgba(200, 169, 97, 0.7);
}

.top-banner .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
}

.banner-content {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    flex-wrap: wrap;
}

.banner-content span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Top banner — corporate utility links */
.banner-phone {
    color: inherit;
    text-decoration: none;
    font-weight: var(--font-medium);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: opacity 0.2s ease;
}

.banner-phone:hover {
    opacity: 0.85;
    text-decoration: none;
}

.banner-icon {
    flex-shrink: 0;
    opacity: 0.85;
    display: block;
}

.banner-divider {
    opacity: 0.5;
    font-weight: 300;
}

.banner-lang {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.banner-lang a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.banner-lang .lang-active {
    font-weight: var(--font-medium);
    opacity: 1;
}

.banner-lang .lang-inactive {
    opacity: 0.6;
}

.banner-lang .lang-inactive:hover {
    opacity: 1;
}

.banner-lang .lang-sep {
    opacity: 0.5;
}

/* ========================================
   Navigation Bar
   ======================================== */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: var(--transition-all);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-xl);
}

/* Logo */
.logo {
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: var(--font-extrabold);
    color: var(--primary);
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--secondary);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: var(--font-medium);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--secondary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--secondary);
}

/* Navigation CTA */
.nav-cta {
    flex-shrink: 0;
}

.nav-cta .btn {
    padding: 0.625rem 1.5rem;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    cursor: pointer;
    position: relative;
    z-index: var(--z-fixed);
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    margin: 3px 0;
    transition: var(--transition-all);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================
   Mobile Navigation
   ======================================== */
@media (max-width: 991px) {
    .top-banner .container {
        justify-content: center;
        text-align: center;
    }
    
    .banner-content {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-xl) 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        display: block;
        width: 100%;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 575px) {
    .banner-content {
        font-size: 0.75rem;
        gap: var(--spacing-sm);
    }
    
    .banner-content span {
        gap: 0.25rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
}

/* ========================================
   Sticky Navigation Animations
   ======================================== */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.navbar.sticky-animated {
    animation: slideDown 0.3s ease-out;
}

/* ========================================
   Navigation Dropdown (Future Enhancement)
   ======================================== */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-all);
}

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

.nav-dropdown-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-dark);
    display: block;
    transition: var(--transition-base);
}

.nav-dropdown-item:hover {
    background: var(--bg-light);
    color: var(--secondary);
}