/* Новая шапка с навигацией */
.navbar {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

/* Логотип */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    height: 40px;
    z-index: 1003;
}

.logo-img {
    height: 100%;
    width: auto;
    max-width: 180px;
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 20px;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

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

/* Мобильное меню */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1003;
    padding: 0.5rem;
}

/* Анимация для иконки гамбургера */
.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--text-light);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Оверлей для меню */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

/* Состояние открытого меню */
.mobile-menu-open .mobile-menu-overlay {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-open .nav-links {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

/* Медиа-запросы для мобильных устройств */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem 5%;
        position: fixed;
    }
    
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: #000000;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        z-index: 999;
    }
    
    .nav-link {
        font-size: 1.5rem;
        padding: 1rem 2rem;
        color: #ffffff;
        font-weight: 600;
    }
    
    .nav-link:hover {
        color: var(--accent);
    }
    
    .logo {
        height: 35px;
    }
    
    .logo-img {
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.8rem 5%;
    }
    
    .logo {
        height: 30px;
    }
    
    .logo-img {
        max-width: 130px;
    }
    
    .nav-link {
        font-size: 1.3rem;
        padding: 0.8rem 1.5rem;
    }
}

/* Класс для блокировки прокрутки тела */
.body-no-scroll {
    overflow: hidden;
    height: 100vh;
}