.site-header {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--header-height);
    padding: 0 42px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 30px;
    background: rgba(243,239,231,.88);
    border-bottom: 1px solid rgba(17,17,17,.13);
    backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; width: max-content; }
.brand__logo {
    display: block;
    width: 148px;
    height: 54px;
    background: url("../img/web/brand/logo-red.png") center/contain no-repeat;
}
.main-nav { display: flex; justify-content: center; gap: 30px; }
.main-nav a,
.language-switch,
.order-button {
    font: 800 .78rem/1 var(--font-heading);
    letter-spacing: .1em;
    text-transform: uppercase;
}
.main-nav a { position: relative; padding: 7px 0; }
.main-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 3px;
    background: var(--mamma-red);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--ease);
}
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 18px; }
.language-switch { border: 0; background: transparent; cursor: pointer; padding: 12px 0; }
.order-button {
    padding: 17px 22px;
    color: var(--mamma-white);
    background: var(--mamma-red);
    box-shadow: 5px 5px 0 var(--mamma-black);
    transition: transform var(--ease), box-shadow var(--ease);
}
.order-button:hover { transform: translate(3px,3px); box-shadow: 2px 2px 0 var(--mamma-black); }