/* Дополнительные стили для бургер-меню с крестиком */
.hamburger {
    position: relative;
    z-index: 1001;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
}

.hamburger span {
    position: absolute;
    border-radius: 2px;
}

.hamburger span:nth-child(1) {
    top: 8px;
}

.hamburger span:nth-child(2) {
    top: 13px;
}

.hamburger span:nth-child(3) {
    top: 18px;
}

.hamburger.active span:nth-child(1) {
    top: 13px;
    transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger.active span:nth-child(3) {
    top: 13px;
    transform: rotate(-45deg);
}

@media (max-width: 768px) {
    .nav-menu {
        top: 0 !important;
        height: 100vh !important;
        padding: 5rem 0 2rem 0 !important;
        border-top: none !important;
        backdrop-filter: blur(20px) !important;
        overflow-y: auto;
        display: flex;
        justify-content: flex-start;
        align-items: center;
    }

    .nav-menu li {
        padding: 0.5rem 0 !important;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

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

    .nav-menu.active li:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-menu.active li:nth-child(2) {
        transition-delay: 0.2s;
    }

    .nav-menu.active li:nth-child(3) {
        transition-delay: 0.3s;
    }

    .nav-menu a {
        padding: 1.25rem 2rem !important;
        font-size: 1.25rem !important;
        font-weight: 600;
        position: relative;
    }

    .nav-menu a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--bg-gradient);
        transition: width 0.3s ease;
    }

    .nav-menu a:hover::after,
    .nav-menu a.active::after {
        width: 80%;
    }

    .nav-menu a:hover {
        color: var(--primary-color);
        background: rgba(102, 126, 234, 0.05);
    }
}