/* ==========================================================================
   Header — Site header, navigation, wallet connect
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    height: 72px;
}

/* --- Branding --- */
.site-branding {
    flex-shrink: 0;
}

.site-branding .custom-logo-link img {
    height: 40px;
    width: auto;
}

.site-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
}

.site-title:hover {
    color: var(--color-primary);
}

/* --- Navigation --- */
.primary-navigation {
    flex: 1;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

/* --- Header actions --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.header-wallet {
    display: flex;
    align-items: center;
}

/* --- Mobile menu toggle --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle__bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .primary-navigation {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        padding: var(--space-md);
    }

    .primary-navigation.is-open {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-menu a {
        padding: var(--space-md);
    }

    .header-wallet {
        display: none;
    }

    .site-header__inner {
        height: 60px;
    }
}