.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    transition: all 0.3s ease;
    padding: 1.5rem 0;
}
.header--scrolled {
    background-color: var(--color-transparent-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header__brand {
    font-family: var(--font-editorial);
    font-weight: 700;
    color: var(--color-gold);
    font-size: 1.85rem;
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.header__tagline {
    font-family: var(--font-display);
    color: var(--color-slate);
    font-size: 0.85rem;
    font-weight: 500;
}
.header__nav {
    display: flex;
    gap: 2rem;
}
.header__link {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-slate);
    font-size: 1rem;
}
.header__link:hover {
    color: var(--color-garnet);
    text-decoration: underline;
    text-decoration-color: var(--color-garnet);
    text-underline-offset: 5px;
    text-decoration-thickness: 1px;
}
.header__menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-graphite);
    cursor: pointer;
}
@media (max-width: 768px) {
    .header {
        background-color: var(--color-transparent-white);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 1rem 0;
        box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    }
    .header__menu-btn {
        display: flex;
        align-items: center;
    }
    .header__nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 1rem;
        padding-top: 1rem;
    }
    .header__nav.is-open {
        display: flex;
    }
    .header__container {
        flex-wrap: wrap;
    }
    .header__brand {
        font-size: 1.5rem;
    }
}