/* Sticky navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background-color: color-mix(in srgb, var(--color-surface) 88%, transparent);
    backdrop-filter: saturate(140%) blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    min-height: var(--header-height);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--fw-black);
    font-size: var(--fs-lg);
    color: var(--color-text);
}

.brand__mark {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav__link {
    position: relative;
    font-weight: var(--fw-medium);
    color: var(--color-text-secondary);
    padding-block: var(--space-2);
    transition: color var(--transition) var(--ease);
}

.nav__link::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition) var(--ease);
}

.nav__link:hover,
.nav__link.is-active {
    color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.is-active::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.icon-button {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-pill);
    color: var(--color-text-secondary);
    transition: background-color var(--transition) var(--ease), color var(--transition) var(--ease);
}

.icon-button:hover {
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
}

.icon-button--badged {
    position: relative;
}

.icon-badge {
    position: absolute;
    inset-block-start: 4px;
    inset-inline-start: 4px;
    min-width: 18px;
    height: 18px;
    padding-inline: 4px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-pill);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 11px;
    font-weight: var(--fw-bold);
    line-height: 1;
}

/* Search overlay */
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background-color: rgba(38, 32, 31, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition) var(--ease), visibility var(--transition) var(--ease);
}

.search-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.search-overlay__panel {
    position: absolute;
    inset-block-start: 0;
    inset-inline: 0;
    background-color: var(--color-surface);
    padding-block: var(--space-6);
    box-shadow: var(--shadow-md);
    transform: translateY(-16px);
    transition: transform var(--transition) var(--ease);
}

.search-overlay.is-open .search-overlay__panel {
    transform: translateY(0);
}

.search-overlay__row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.search-overlay__box {
    flex: 1;
}

.search-overlay__close {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-pill);
    color: var(--color-text-secondary);
    transition: background-color var(--transition) var(--ease);
}

.search-overlay__close:hover {
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
}

/* Live suggestions */
.search-suggest {
    display: grid;
    gap: var(--space-1);
    margin-top: var(--space-4);
    max-height: 62vh;
    overflow-y: auto;
}

.search-suggest__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: background-color var(--transition) var(--ease);
}

.search-suggest__item:hover {
    background-color: var(--color-primary-soft);
}

.search-suggest__thumb {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.search-suggest__body {
    flex: 1;
    min-width: 0;
}

.search-suggest__name {
    font-weight: var(--fw-medium);
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-suggest__cat {
    font-size: var(--fs-xs);
    color: var(--color-muted);
}

.search-suggest__price {
    font-weight: var(--fw-bold);
    color: var(--color-primary);
    white-space: nowrap;
}

.search-suggest__empty {
    padding: var(--space-3);
    color: var(--color-muted);
}

.nav-toggle {
    display: none;
}

@media (max-width: 900px) {
    .nav-toggle {
        display: inline-grid;
    }

    .nav {
        position: fixed;
        inset: var(--header-height) 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--space-4);
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition) var(--ease), transform var(--transition) var(--ease);
    }

    .nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav__link {
        padding: var(--space-3) var(--space-2);
        border-bottom: 1px solid var(--color-border);
    }
}

/* Phones: tighten the header so it fits small screens */
@media (max-width: 560px) {
    .container {
        --container-pad: var(--space-4);
    }

    .site-header__inner {
        gap: var(--space-3);
    }

    .brand span {
        font-size: var(--fs-base);
    }

    .brand__mark {
        width: 34px;
        height: 34px;
    }

    .header-actions {
        gap: 0;
    }

    .icon-button {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 360px) {
    .brand span {
        display: none;
    }
}