/* --- Navbar --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: fixed;
    width: 100%;
    top: 0;
    background: var(--nav-bg, rgba(15, 23, 42, 0.95));
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--nav-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo span {
    color: var(--primary);
}

.nav-extra {
    display: flex;
    align-items: center;
    gap: 15px;
}

.hamburger {
    display: none;
    cursor: pointer;
    padding: 6px 0;
}

.hamburger .bar {
    display: block;
    width: 26px;
    height: 2px;
    margin: 6px 0;
    background: var(--text-color);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

#lang-toggle {
    margin-left: 0;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 5px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font-en);
    font-weight: bold;
    transition: all 0.3s;
    margin-left: 15px;
}

.lang-btn:hover {
    background: var(--primary);
    color: black;
    box-shadow: 0 0 15px var(--primary);
}

/* Mobile Responsive Navbar */
@media (max-width: 768px) {
    nav {
        padding: 15px 5%;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        right: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        border-bottom: 1px solid var(--nav-border);
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        margin: 0;
        padding: 15px 0;
        display: block;
        width: 100%;
    }
}