/* ==========================================================================
   site-header — Storefront header with navigation
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--brand-z-sticky);
    background-color: var(--brand-surface-dark);
}

.site-header__nav {
    padding-top: 0;
    padding-bottom: 0;
    min-height: var(--brand-header-height);
}

/* --- Logo (centered on desktop) --- */

.site-header__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    text-decoration: none;
    padding: var(--brand-space-2) 0;
}

.site-header__logo:hover {
    text-decoration: none;
}

.site-header__logo-text {
    font-family: var(--brand-font-heading);
    font-weight: var(--brand-font-weight-extrabold);
    font-size: 1.25rem;
    letter-spacing: var(--brand-letter-spacing-caps);
    text-transform: uppercase;
    color: var(--brand-text-light);
}

.site-header__logo-sub {
    font-family: var(--brand-font-body);
    font-weight: var(--brand-font-weight-light);
    font-size: 0.66rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--brand-accent);
    margin-top: 2px;
    margin-left:0.35rem;
}

/* --- Nav links --- */

.site-header__nav-link {
    font-family: var(--brand-font-heading);
    font-weight: var(--brand-font-weight-medium);
    font-size: 0.8rem;
    letter-spacing: var(--brand-letter-spacing-wide);
    text-transform: uppercase;
    color: var(--brand-text-light-muted);
    padding: var(--brand-space-3) var(--brand-space-2);
    position: relative;
    transition: color var(--brand-transition-fast);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible,
.site-header__nav-link.active {
    color: var(--brand-text-light);
}

.site-header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--brand-space-2);
    right: var(--brand-space-2);
    height: 2px;
    background-color: var(--brand-accent);
    transform: scaleX(0);
    transition: transform var(--brand-transition);
}

.site-header__nav-link:hover::after,
.site-header__nav-link.active::after {
    transform: scaleX(1);
}

/* --- Utility icons (search, account, basket) --- */

.site-header__icon-link {
    color: var(--brand-text-light-muted);
    transition: color var(--brand-transition-fast);
    display: inline-flex;
    align-items: center;
    position: relative;
    text-decoration: none;
    padding: var(--brand-space-2);
}

.site-header__icon-link:hover {
    color: var(--brand-text-light);
}

.site-header__basket-count {
    position: absolute;
    top: 2px;
    right: -2px;
    background-color: var(--brand-accent);
    color: var(--brand-primary);
    font-family: var(--brand-font-heading);
    font-weight: var(--brand-font-weight-bold);
    font-size: 0.6rem;
    width: 16px;
    height: 16px;
    border-radius: var(--brand-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.site-header__account-link {
    color: var(--brand-text-light-muted);
    transition: color var(--brand-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--brand-space-1);
    text-decoration: none;
    padding: var(--brand-space-2);
}

.site-header__account-link:hover {
    color: var(--brand-text-light);
}

.site-header__account-label {
    font-family: var(--brand-font-heading);
    font-weight: var(--brand-font-weight-medium);
    font-size: 0.8rem;
    letter-spacing: var(--brand-letter-spacing-wide);
    text-transform: uppercase;
}

/* --- Signed-in avatar (initials in a circle) --- */

.site-header__avatar {
    display: inline-flex;
    align-items: center;
}

.site-header__avatar-trigger {
    width: 36px;
    height: 36px;
    border-radius: var(--brand-radius-circle);
    border: 1px solid var(--brand-accent);
    background-color: transparent;
    color: var(--brand-text-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: background-color var(--brand-transition-fast),
                color var(--brand-transition-fast),
                box-shadow var(--brand-transition-fast);
}

.site-header__avatar-trigger:hover,
.site-header__avatar-trigger:focus-visible {
    background-color: var(--brand-accent);
    color: var(--brand-primary);
    outline: none;
    box-shadow: 0 0 0 0.15rem rgba(var(--brand-accent-rgb), 0.35);
}

.site-header__avatar-trigger--static {
    cursor: default;
    flex-shrink: 0;
}

.site-header__avatar-trigger--static:hover,
.site-header__avatar-trigger--static:focus-visible {
    background-color: transparent;
    color: var(--brand-text-light);
    box-shadow: none;
}

.site-header__avatar-trigger::after {
    /* Suppress Bootstrap's default dropdown caret */
    display: none;
}

.site-header__avatar-initials {
    font-family: var(--brand-font-heading);
    font-weight: var(--brand-font-weight-bold);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1;
}

/* --- Account dropdown header (signed-in identity surface) --- */

.site-header__account-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--brand-space-2) var(--brand-space-3);
}

.site-header__account-meta-name {
    /* Inherits typography from the global .h6 heading style. */
    color: var(--brand-text-light);
    margin: 0;
    line-height: 1.2;
}

.site-header__account-meta-label {
    font-family: var(--brand-font-body);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: var(--brand-letter-spacing-wide);
    color: var(--brand-text-light-muted);
    margin-top: var(--brand-space-1);
}

.site-header__account-meta-email {
    font-family: var(--brand-font-body);
    font-size: 0.8rem;
    color: var(--brand-text-light-muted);
    line-height: 1.3;
}

/* --- Mobile actions (basket + hamburger before collapse) --- */

.site-header__actions {
    gap: var(--brand-space-1);
}

.site-header__toggle {
    border-color: rgba(255, 255, 255, 0.2);
    padding: var(--brand-space-1) var(--brand-space-2);
}

.site-header__toggle:focus-visible {
    box-shadow: 0 0 0 0.15rem rgba(var(--brand-accent-rgb), 0.4);
}

/* --- Mobile menu --- */

@media (max-width: 991.98px) {
    .site-header__nav {
        min-height: var(--brand-header-height-mobile);
    }

    .site-header__menu {
        background-color: var(--brand-surface-dark-alt);
        padding: 0;
        border-top: 5px solid var(--brand-surface-dark);
        border-bottom: 10px solid var(--brand-surface-dark);
    }

    .site-header__nav-list {
        gap: 0;
        padding: 0 var(--brand-space-2);        
    }

    .site-header__nav-list .nav-item {
        border-bottom: 1px solid var(--brand-border-dark);
    }

    .site-header__nav-list .nav-item:last-child {
        border-bottom: none;
    }

    .site-header__nav-link {
        padding: var(--brand-space-3) var(--brand-space-3);
        font-size: 0.9rem;
        letter-spacing: 0.12em;
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: color var(--brand-transition-fast),
                    background-color var(--brand-transition-fast);
    }

    .site-header__nav-link::after {
        /* Repurpose as a chevron arrow instead of underline */
        content: '›';
        position: static;
        transform: none;
        background-color: transparent;
        height: auto;
        font-size: 1.2rem;
        color: var(--brand-text-light-muted);
        transition: color var(--brand-transition-fast),
                    translate var(--brand-transition-fast);
    }

    .site-header__nav-link:hover,
    .site-header__nav-link:focus-visible {
        color: var(--brand-accent);
        background-color: rgba(255, 255, 255, 0.03);
    }

    .site-header__nav-link:hover::after,
    .site-header__nav-link:focus-visible::after {
        color: var(--brand-accent);
        translate: 4px 0;
    }

    /* Smooth expand/collapse */
    .site-header__menu.collapsing {
        transition: height 0.3s ease;
    }

    /* --- Mobile account section (signed-in identity + auth links) --- */

    .site-header__mobile-account {
        border-top: 1px solid var(--brand-border-dark);
        padding: var(--brand-space-3) 0 0;
        margin-top: var(--brand-space-2);
    }

    .site-header__mobile-account-identity {
        display: flex;
        align-items: center;
        gap: var(--brand-space-3);
        padding: 0 var(--brand-space-3) var(--brand-space-3);
    }

    .site-header__mobile-account-text {
        display: flex;
        flex-direction: column;
        gap: 2px;
        min-width: 0;
    }

    .site-header__mobile-account-text .site-header__account-meta-name {
        margin-bottom: 0;
    }

    .site-header__mobile-account-text .site-header__account-meta-email {
        word-break: break-word;
    }

    .site-header__mobile-account-list {
        list-style: none;
        margin: 0;
        padding: 0 var(--brand-space-2);
    }

    .site-header__mobile-account-list li {
        border-top: 1px solid var(--brand-border-dark);
    }

    .site-header__mobile-account-list form {
        margin: 0;
    }

    .site-header__mobile-account-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: var(--brand-space-3) var(--brand-space-3);
        font-family: var(--brand-font-heading);
        font-weight: var(--brand-font-weight-medium);
        font-size: 0.9rem;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--brand-text-light-muted);
        background: transparent;
        border: 0;
        text-align: left;
        text-decoration: none;
        cursor: pointer;
        transition: color var(--brand-transition-fast),
                    background-color var(--brand-transition-fast);
    }

    .site-header__mobile-account-link::after {
        content: '›';
        font-size: 1.2rem;
        color: var(--brand-text-light-muted);
        transition: color var(--brand-transition-fast),
                    translate var(--brand-transition-fast);
    }

    .site-header__mobile-account-link:hover,
    .site-header__mobile-account-link:focus-visible {
        color: var(--brand-accent);
        background-color: rgba(255, 255, 255, 0.03);
        outline: none;
    }

    .site-header__mobile-account-link:hover::after,
    .site-header__mobile-account-link:focus-visible::after {
        color: var(--brand-accent);
        translate: 4px 0;
    }
}