/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--container-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav__menu {
    display: flex;
    gap: 2rem;
}

.nav__list {
    display: flex;
    gap: 2rem;
}

.nav__link {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

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

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* RIMUOVI TUTTE LE REGOLE .theme-button */

.nav__toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Mobile Menu */
@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--container-color);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        padding: 2rem;
        z-index: 1001;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 2rem;
        margin-top: 4rem;
    }

    .nav__toggle {
        display: block;
    }

    .nav__toggle.active {
        color: var(--accent-color);
    }
}