/* ============================================================
   header.css — Site-wide transparent header
   Always loaded after main.css
   ============================================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);

    /* Fully transparent — sits over video/content */
    background: transparent;
    padding: var(--space-lg) var(--gutter);

    /* Hide-on-scroll */
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.site-header.is-hidden {
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
}

/* Three-column grid: left | center | right — perfectly balanced */
.site-header__nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
}

/* ── LOGO (center column) ───────────────────────────────────── */
.site-header__logo-link {
    grid-column: 2;
    display: flex;
    justify-content: center;
}

.site-header__logo {
    height: 96px;       /* adjust to suit your logo's proportions */
    width: auto;
    display: block;
    transition: opacity var(--transition-fast);
}

.site-header__logo-link:hover .site-header__logo {
    opacity: 0.75;
}

/* ── BUTTONS (shared) ───────────────────────────────────────── */
.site-header__btn {
    font-family: var(--font-display);
    font-size: var(--fs-sm);          /* 14px — deliberately understated */
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-wide);   /* 0.08em — spaced-out caps feel */
    text-transform: uppercase;
    color: var(--color-white);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs) 0;

    /* Underline reveal on hover */
    position: relative;
    transition: opacity var(--transition-fast);
}

.site-header__btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-white);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--transition-base);
}

.site-header__btn:hover::after {
    transform: scaleX(1);
}

.site-header__btn:hover {
    opacity: 0.75;
}

/* ── LEFT button alignment ──────────────────────────────────── */
.site-header__btn--menu {
    grid-column: 1;
    justify-self: start;
    text-align: left;
}

/* ── RIGHT button alignment ─────────────────────────────────── */
.site-header__btn--merch {
    grid-column: 3;
    justify-self: end;
    text-align: right;
    text-decoration: none;    /* it's an <a>, not a <button> */
    display: inline-block;
}


/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 480px) {
    .site-header {
        padding: var(--space-md) var(--gutter);
    }

    .site-header__logo {
        height: 72px;
    }

    .site-header__btn {
        font-size: 0.7rem;
    }
}