.header {
    background: rgba(11, 15, 20, 0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #6c5ce7 0%, #8e7cff 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--light);
}

.logo-text h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    white-space: nowrap;
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.burger-menu span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--light);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8, 11, 15, 0.9);
    backdrop-filter: blur(20px);
    z-index: 2000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-content {
    padding: 80px 20px 40px;
    height: 100%;
    overflow-y: auto;
    position: relative;
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--light);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 40px;
}

.mobile-lang-switcher h3 {
    color: var(--light);
    margin-bottom: 16px;
    font-size: 1.2rem;
    font-weight: 600;
}

.lang-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-lang-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border: none;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: var(--light);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.mobile-lang-btn:hover {
    background: rgba(110, 231, 183, 0.1);
    border-color: var(--primary);
}

.mobile-lang-btn.active {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--primary);
    color: #fff;
}

.mobile-lang-btn span:first-child {
    font-weight: 500;
}

.mobile-lang-btn span:last-child {
    font-size: 0.9rem;
    opacity: 0.8;
}

.mobile-nav-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border: none;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: var(--light);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: left;
}

.mobile-nav-btn:hover {
    background: rgba(110, 231, 183, 0.1);
    border-color: var(--primary);
    transform: translateX(8px);
}

.mobile-nav-btn.active {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--primary);
    color: #fff;
}

.mobile-nav-btn i {
    width: 20px;
    text-align: center;
    font-size: 1.2rem;
}

.nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 10px 16px;
    border: none;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--light);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(108, 92, 231, 0.12), transparent);

    transition: left 0.6s;
}

.nav-btn:hover::before {
    left: 100%;
}

.nav-btn:hover {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.nav-btn.active {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--primary);
    color: #fff;
}

.header_errore .nav-btn.active,
.about_header .nav-btn.active,
.terms_header .nav-btn.active,
.privacy_header .nav-btn.active {
    background: none;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: #fff;
}

.header_errore .nav-btn:hover,
.about_header .nav-btn:hover,
.privacy_header .nav-btn:hover,
.terms_header .nav-btn:hover {
    border-color: var(--primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switcher {
    display: flex;
    gap: 8px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 4px;
}

.lang-btn {
    padding: 6px 12px;
    background: transparent;
    color: var(--gray);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--primary);
    border: 1px solid var(--primary);
    color: #fff;
}


.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-content {
    padding: 80px 20px 40px;
    height: 100%;
    overflow-y: auto;
    position: relative;
}


.mobile-lang-switcher h3 {
    color: var(--light);
    margin-bottom: 16px;
    font-size: 1.2rem;
    font-weight: 600;
}

.lang-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-lang-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border: none;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: var(--light);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.mobile-lang-btn:hover {
    border-color: var(--primary);
}

.mobile-lang-btn span:first-child {
    font-weight: 500;
}

.mobile-lang-btn span:last-child {
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (min-width: 769px) {
    .mobile-menu {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .header-right {
        margin-left: auto;
    }

    .nav,
    .desktop-lang {
        display: none;
    }

    .burger-menu {
        display: flex;
    }
}