/* ==========================================================
   TrackDayCTRL
   Landing Page v1.0
   Header – Responsive Foundation
   ========================================================== */

.header {
    position: absolute;
    inset: 0 auto auto 50%;
    z-index: 1000;

    width: min(
        calc(100% - (var(--page-gutter) * 2)),
        var(--container-max)
    );

    min-height: clamp(4.75rem, 6vw, 6.5rem);

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: var(--space-4);

    padding-block: clamp(0.2rem, 0.5vw, 0.45rem);

    background: transparent;

    transform: translateX(-50%);
}


/* ==========================================================
   Logo
   ========================================================== */

.logo {
    display: inline-flex;
    align-items: center;

    flex: 0 1 auto;

    min-width: 0;

    text-decoration: none;

    transform: translateX(-2rem);
}


.logo img {
    width: clamp(4.5rem, 22vw, 21rem);
    height: auto;

    flex-shrink: 1;

    user-select: none;
}


/* ==========================================================
   Navigation
   ========================================================== */

.navigation {
    display: flex;
    align-items: center;
    justify-content: flex-end;

    flex: 0 1 auto;

    gap: clamp(0.7rem, 1.35vw, 1.35rem);

    min-width: 0;
}


.navigation a {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: var(--text);

    font-family: "Inter", sans-serif;
    font-size: clamp(0.72rem, 0.65vw, 0.82rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.035em;

    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;

    transition:
        color var(--transition-fast),
        opacity var(--transition-fast);
}


.navigation a:hover,
.navigation a:focus-visible {
    color: var(--green);
}


/* ==========================================================
   Header buttons
   ========================================================== */

.navigation .btn-outline,
.navigation .btn-primary {
    min-height: 2.15rem;

    padding-block: 0.45rem;
    padding-inline: 0.9rem;

    font-size: inherit;
    line-height: 1;

    border-radius: 0.45rem;
}


.navigation .btn-outline {
    margin-left: clamp(0.15rem, 0.6vw, 0.65rem);
}

.menu-toggle {
    display: none;
}

@media (max-width: 48rem) {
    .header {
        position: absolute;
        inset: 0 auto auto 50%;
        width: calc(100% - 2rem);
        min-height: 4.5rem;
        align-items: center;
        padding-block: 0.75rem;
    }

    .logo {
        margin: 0;
        padding: 0;
        transform: none;
    }

    .logo img {
        width: clamp(10rem, 45vw, 13rem);
    }

    .menu-toggle {
        display: inline-grid;
        place-content: center;
        gap: 0.3rem;
        width: 2.75rem;
        height: 2.75rem;
        padding: 0;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 0.5rem;
        background: rgba(5, 5, 5, 0.86);
    }

    .menu-toggle span {
        display: block;
        width: 1.25rem;
        height: 2px;
        background: var(--text);
    }

    .navigation {
        display: none;
        position: absolute;
        top: calc(100% - 0.25rem);
        right: 0;
        width: min(21rem, 100%);
        padding: 0.75rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 0.75rem;
        background: rgba(7, 8, 9, 0.98);
        box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.45);
    }

    .navigation.is-open {
        display: flex;
    }

    .navigation::after {
        display: none;
    }

    .navigation > a:not(.btn-outline):not(.btn-primary),
    .header .navigation .btn-outline,
    .header .navigation .btn-primary {
        order: initial;
        width: 100%;
        min-height: 2.75rem;
        margin: 0;
        padding: 0.75rem 0.9rem;
        justify-content: flex-start;
        font-size: 0.82rem;
        border-radius: 0.45rem;
    }

    .header .navigation .btn-primary {
        justify-content: center;
        margin-top: 0.35rem;
    }
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    flex: 0 0 auto;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.72rem;
    font-weight: 700;
}

.language-switcher button {
    min-width: 1.7rem;
    padding: 0.2rem;
    color: var(--muted);
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    font-size: inherit;
    font-weight: inherit;
}

.language-switcher button[aria-pressed="true"] {
    color: var(--text);
    border-bottom-color: var(--green);
}

@media (max-width: 48rem) {
    .language-switcher {
        order: initial;
        width: 100%;
        justify-content: center;
        margin-top: 0.25rem;
        padding-top: 0.6rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 0.78rem;
    }

    .language-switcher button {
        min-height: 2.75rem;
        min-width: 2.25rem;
    }
}


/* ==========================================================
   Compact desktop / tablet
   ========================================================== */

@media (max-width: 68rem) {

    .header {
        min-height: clamp(4.5rem, 8vw, 5.5rem);
    }


    .logo img {
        width: clamp(12.5rem, 26vw, 17rem);
    }


    .navigation {
        gap: clamp(0.55rem, 1.2vw, 0.9rem);
    }


    .navigation .btn-outline {
        margin-left: 0;
    }

}

@media (min-width: 48.0625rem) and (max-width: 52.125rem) {
    .navigation a {
        min-height: 2.75rem;
        padding-block: 0.65rem;
    }
}

/* ==========================================================
   Mobile

   Preserve the desktop header composition in miniature:

   Row 1:
   Logo + action buttons

   Row 2:
   Ordinary navigation links
   ========================================================== */

@media (max-width: 44rem) {

    .header {
        position: absolute;
        inset: 0 auto auto 50%;

        width: calc(100% - 1rem);
        min-height: 3.4rem;

        align-items: flex-start;

        gap: 0.2rem;

        padding-block: 0.25rem;

        transform: translateX(-50%);
    }

    .logo {
        flex: 0 0 auto;

        padding-top: 0;

        margin-left: -0.5rem;

        transform: translateY(-0.1rem);
    }


    .logo img {
        width: clamp(7rem, 33vw, 8.25rem);
    }


    .navigation {
        --mobile-nav-font-size: clamp(0.36rem, 1.65vw, 0.43rem);

        display: flex;
        align-items: center;
        justify-content: flex-end;
        flex-wrap: wrap;

        flex: 1 1 auto;

        gap:
            clamp(0.12rem, 0.5vw, 0.2rem)
            clamp(0.3rem, 1.3vw, 0.45rem);

        min-width: 0;

        padding-top: 0.05rem;
    }


    /*
       Action buttons on the first row.
    */

    .header .navigation .btn-outline,
    .header .navigation .btn-primary {
        order: 1;

        width: auto;
        min-width: 0;
        min-height: auto;

        padding-block: clamp(0.12rem, 0.5vw, 0.17rem);
        padding-inline: clamp(0.28rem, 1.2vw, 0.38rem);

        font-family: "Inter", sans-serif;
        font-size: var(--mobile-nav-font-size);
        font-weight: 600;
        line-height: 1;
        letter-spacing: 0.01em;

        border-radius: 0.22rem;

        flex: 0 0 auto;
    }


    .header .navigation .btn-outline {
        margin-left: 0;
    }


    /*
       Force a new row after the action buttons.
    */

    .navigation::after {
        content: "";

        order: 1;

        flex-basis: 100%;

        height: 0;
    }


    /*
       Ordinary links on the second row.
    */

    .navigation > a:not(.btn-outline):not(.btn-primary) {
        display: inline-flex;

        order: 2;

        font-size: var(--mobile-nav-font-size);
        font-weight: 600;
        line-height: 1;
        letter-spacing: 0.01em;
    }

}

@media (max-width: 48rem) {
    .header {
        width: 100%;
        min-height: 5rem;
        align-items: center;
        gap: 0.55rem;
        padding: 0.7rem 1.25rem;
        background: rgba(5, 5, 5, 0.96);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .logo { margin: 0; padding: 0; transform: none; }
    .logo img { width: clamp(9.25rem, 39vw, 12rem); }
    .menu-toggle { display: inline-grid; }
    .navigation { display: none; }
    .navigation.is-open { display: flex; }
    .navigation::after { display: none; }
    .navigation > a:not(.btn-outline):not(.btn-primary),
    .header .navigation .btn-outline,
    .header .navigation .btn-primary {
        order: initial; width: 100%; min-height: 2.75rem; margin: 0; padding: 0.75rem 0.9rem;
        justify-content: flex-start; font-size: 0.82rem; border-radius: 0.45rem;
    }
    .header .navigation .btn-primary { justify-content: center; margin-top: 0.35rem; }
    .language-switcher {
        order: initial;
        width: auto;
        margin: 0 0 0 auto;
        padding: 0;
        border: 0;
        font-size: 0.72rem;
    }
    .language-switcher button { min-width: 1.9rem; min-height: 2.75rem; padding-inline: 0.15rem; }
    .menu-toggle { flex: 0 0 auto; }
}

@media (max-width: 26.875rem) {
    .header { padding-inline: 1rem; gap: 0.4rem; }
    .logo img { width: clamp(8.5rem, 38vw, 9.75rem); }
    .language-switcher { font-size: 0.68rem; gap: 0.12rem; }
    .language-switcher button { min-width: 1.65rem; }
}