/* ===== Navigation ===== */
.main-nav {
    background-color: var(--secondary-color);
    border-bottom: 2px solid var(--primary-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-medium);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: 0.04em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xlarge);
    margin: 0;
}

.nav-menu li a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary-color);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

/* Language Toggle */
.lang-toggle {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.lang-toggle:hover {
    background-color: transparent;
    color: var(--primary-color);
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

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

/* ===== Mobile Navigation ===== */
@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background-color: var(--secondary-color);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-medium) 0;
        border-bottom: 2px solid var(--primary-color);
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu li {
        text-align: center;
        padding: var(--spacing-medium) 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu li a::after {
        display: none;
    }
}