/* Header */
header {
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    margin-left: 10px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin: 0 1rem;
}

nav a {
    color: var(--primary-white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

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

nav a:hover:after {
    width: 100%;
}

/* Language Selector */
.language-selector {
    display: flex;
    align-items: center;
    margin-right: 2rem;
}

.lang-separator {
    color: var(--primary-white);
    margin: 0 0.5rem;
    opacity: 0.7;
}