/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-1);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.header__logo {
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.3s ease;
}

.header__logo:hover {
    color: var(--color-4);
}

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

.header__link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.header__link:hover,
.header__link--active {
    color: var(--color-4);
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-4);
    transition: width 0.3s ease;
}

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

.header__menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.header__menu-btn:hover {
    color: var(--color-4);
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-1);
        padding: 1rem 0;
        text-align: center;
    }

    .header__nav.active {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .header__menu-btn {
        display: block;
    }
}