/**
 * Navbar Styles - PT Arsitekta Marine
 * Premium Navigation Style
 */

/* ============================================
   Navbar - Premium Style
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    padding: 1.5rem 0;
    transition: all var(--transition-premium);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.navbar-brand .navbar-logo {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: filter var(--transition-normal);
}

/* Enhanced shadow when navbar is scrolled */
.navbar.scrolled .navbar-brand .navbar-logo {
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.4));
}

.navbar-brand i {
    color: var(--secondary);
    font-size: 1.75rem;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: var(--white);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-md);
    transition: all var(--transition-premium);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

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

.nav-link i {
    font-size: 0.75rem;
}

/* ============================================
   Language Dropdown
============================================ */
.nav-lang-dropdown {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lang-toggle::after {
    display: none;
}

.lang-flag {
    font-size: 1.25rem;
    line-height: 1;
}

.lang-toggle i {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.nav-lang-dropdown.active .lang-toggle i {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 180px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1001;
    overflow: hidden;
}

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

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    transition: background var(--transition-fast);
}

.lang-option:hover {
    background: var(--gray-100);
}

.lang-option.active {
    background: rgba(27, 122, 140, 0.1);
    color: var(--primary);
}

.lang-option .lang-name {
    flex: 1;
    font-size: 0.875rem;
}

.lang-option i {
    font-size: 0.75rem;
    color: var(--primary);
}

/* ============================================
   Navbar Toggle (Mobile)
============================================ */
.navbar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.hamburger {
    position: relative;
    width: 20px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

/* ============================================
   Mobile Menu
============================================ */
@media (max-width: 991px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-xs);
        transform: translateY(-150%);
        opacity: 0;
        transition: all var(--transition-normal);
    }

    .navbar-menu.show {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }
}