.main-header {
    --header-pink: #ff91be;
    --header-peach: #ffd0b0;
    --header-text: #faf7fc;
    --header-muted: #aaa5b8;

    position: sticky;
    top: 0;
    z-index: 100;
    isolation: isolate;

    color: var(--header-text);
    background: rgba(14, 14, 23, 0.94);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);

    transition:
        background-color 200ms ease,
        box-shadow 200ms ease;
}

@supports (backdrop-filter: blur(20px)) {
    .main-header {
        background: rgba(14, 14, 23, 0.82);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
}

.main-header.is-scrolled {
    background: rgba(14, 14, 23, 0.96);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.main-header__inner {
    width: min(1240px, calc(100% - 64px));
    min-height: 100px;
    margin-inline: auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.header-logo {
    flex-shrink: 0;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    padding-block: 12px;
    color: var(--header-text);
    text-decoration: none;
}

.header-logo__mark {
    display: block;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 39px;
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 0.9;
}

.header-logo__six {
    display: inline-block;
    color: var(--header-pink);
}

.header-logo__domain {
    margin-left: 2px;
    font-size: 23px;
    letter-spacing: -1.5px;
}

.header-logo__caption {
    color: var(--header-muted);
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1;
}

.header-navigation {
    display: flex;
    align-items: center;
    gap: 46px;
}

.header-navigation__links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 48px;

    color: var(--header-muted);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;

    transition: color 180ms ease;
}

.header-link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 3px;
    left: 0;

    height: 2px;
    border-radius: 2px;
    background: var(--header-pink);

    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

.header-link:hover,
.header-link[aria-current="page"] {
    color: var(--header-text);
}

.header-link:hover::after,
.header-link[aria-current="page"]::after {
    transform: scaleX(1);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 46px;
    padding: 0 9px 0 18px;

    color: #20141e;
    background: linear-gradient(
        110deg,
        var(--header-pink),
        var(--header-peach)
    );
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 9px;

    font-size: 12px;
    font-weight: 700;
    text-decoration: none;

    transition:
        box-shadow 180ms ease,
        transform 180ms ease;
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 145, 190, 0.18);
}

.header-cta__arrow {
    width: 29px;
    height: 29px;
    display: grid;
    place-items: center;

    border-radius: 5px;
    background: rgba(32, 20, 30, 0.08);
    font-size: 18px;
}

.main-header__accent {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    pointer-events: none;

    background: linear-gradient(
        90deg,
        transparent 5%,
        rgba(255, 145, 190, 0.65) 35%,
        rgba(255, 208, 176, 0.25) 65%,
        transparent 95%
    );
}

.header-toggle {
    display: none;
}

.header-navigation__caption {
    display: none;
}

.main-header a:focus-visible,
.header-toggle:focus-visible {
    outline: 2px solid var(--header-peach);
    outline-offset: 6px;
}

/* Mantiene visibile il salto al contenuto sopra l'header. */
.skip-link:focus {
    z-index: 200;
}

#main {
    scroll-margin-top: 110px;
}

@media (max-width: 960px) {
    .main-header__inner {
        gap: 24px;
    }

    .header-navigation {
        gap: 24px;
    }

    .header-navigation__links {
        gap: 22px;
    }

    .header-cta {
        gap: 14px;
    }
}

@media (max-width: 760px) {
    .main-header__inner {
        width: calc(100% - 40px);
        min-height: 82px;
        flex-wrap: wrap;
        gap: 0;
    }

    .header-logo__mark {
        font-size: 34px;
    }

    .header-logo__domain {
        font-size: 20px;
    }

    .header-logo__caption {
        font-size: 7px;
        letter-spacing: 1.6px;
    }

    /*
     * Senza JavaScript la navigazione resta visibile.
     * Il pulsante viene attivato solo dopo l'inizializzazione.
     */
    .header-toggle:not([hidden]) {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 14px;

        min-width: 100px;
        min-height: 44px;
        padding: 0 14px;

        background: rgba(255, 255, 255, 0.04);
        color: var(--header-text);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 8px;

        font: inherit;
        cursor: pointer;
    }

    .header-toggle__text {
        font-size: 12px;
        font-weight: 700;
    }

    .header-toggle__icon {
        position: relative;
        display: block;
        width: 18px;
        height: 14px;
    }

    .header-toggle__icon span {
        position: absolute;
        left: 0;
        width: 18px;
        height: 2px;
        border-radius: 2px;
        background: currentColor;

        transition:
            top 180ms ease,
            transform 180ms ease;
    }

    .header-toggle__icon span:first-child {
        top: 3px;
    }

    .header-toggle__icon span:last-child {
        top: 10px;
    }

    .header-toggle[aria-expanded="true"]
    .header-toggle__icon span:first-child {
        top: 6px;
        transform: rotate(45deg);
    }

    .header-toggle[aria-expanded="true"]
    .header-toggle__icon span:last-child {
        top: 6px;
        transform: rotate(-45deg);
    }

    .header-navigation {
        width: 100%;
        align-items: stretch;
        flex-direction: column;
        gap: 24px;
        padding: 20px 0 26px;
    }

    .main-header.has-menu-js .header-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;

        width: 100%;
        max-height: calc(100dvh - 83px);
        overflow-y: auto;
        padding: 22px 20px 28px;

        background:
            radial-gradient(
                ellipse at top right,
                rgba(255, 145, 190, 0.07),
                transparent 70%
            ),
            #11111b;

        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 24px 40px rgba(0, 0, 0, 0.28);
    }

    .main-header.has-menu-js .header-navigation[hidden] {
        display: none;
    }

    .header-navigation__links {
        align-items: stretch;
        flex-direction: column;
        gap: 0;
    }

    .header-link {
        min-height: 64px;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);

        font-size: 24px;
        letter-spacing: -0.7px;
    }

    .header-link::after {
        left: auto;
        bottom: 28px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
    }

    .header-link[aria-current="page"] {
        color: var(--header-pink);
    }

    .header-cta {
        min-height: 52px;
        padding-left: 18px;
        font-size: 13px;
    }

    .header-navigation__caption {
        display: block;
        color: var(--header-muted);
        font-size: 9px;
        letter-spacing: 2px;
    }

    #main {
        scroll-margin-top: 92px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .main-header,
    .header-link,
    .header-link::after,
    .header-cta,
    .header-toggle__icon span {
        transition: none;
    }
}