/*
* BREAKPOINTS (desktop-first, max-width):
* 1340px - tighter header/menu spacing.
* 1100px - mobile menu (keep in sync with HUYDEV_BP_MOBILE in functions.php and js/custom.js), 3-col grids.
* 860px  - sidebars stack under content, 2-col grids, filter collapses.
* 560px  - phone: horizontal listing cards, single column.
*/
@media screen and (max-width: 1340px){
    /*
    * HEADER.
    */
    .header-main-inner{ gap: 18px; }
    .menu-main-list > li > a{ padding-inline: 10px; font-size: 15px; }
    .menu-main-list > li > a::after{ left: 10px; right: 10px; }
    .header-hotline-text small{ display: none; }
    .site-logo-text span{ display: none; }
    /*
    * BLOCK HOME.
    */
    .home-area-panel{ padding-inline: 20px; }
    .home-area-links{ column-gap: 24px; }
    .home-area-links a{ font-size: 14.5px; }
}

@media screen and (max-width: 1100px){
    :root{ --th-header-h: 70px; --th-header-sticky-h: 60px; }
    /*
    * HEADER.
    */
    .header-top-info li:first-child{ display: none; }
    .site-logo-img{ width: 48px; height: 48px; }
    .site-header.is-sticky .site-logo-img{ width: 42px; height: 42px; }
    .site-logo-text strong{ font-size: 20px; }
    .site-logo-text span{ display: block; }
    .header-actions{ margin-left: auto; }
    .btn-menu{ display: flex; }
    .menu-main{ position: fixed; top: 0px; right: 0px; bottom: 0px; z-index: 200; width: min(88vw, 380px); flex-direction: column; justify-content: flex-start; background: var(--th-white); transform: translateX(100%); visibility: hidden; transition: transform .35s var(--th-ease), visibility .35s; overflow-y: auto; overscroll-behavior: contain; }
    .menu-main.open{ transform: translateX(0px); visibility: visible; box-shadow: var(--th-shadow-lg); }
    .menu-overlay.open{ opacity: 1; visibility: visible; }
    body.menu-open{ overflow: hidden; }
    .menu-main-head{ display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: linear-gradient(90deg, var(--th-red-deep), var(--th-red)); color: var(--th-gold-light); font-weight: 700; font-size: 18px; letter-spacing: 0.06em; text-transform: uppercase; }
    .menu-main-close{ display: grid; place-items: center; width: 40px; height: 40px; border: 0px; border-radius: 8px; background: rgba(255, 255, 255, 0.12); color: var(--th-white); font-size: 20px; }
    .menu-main-list{ flex-direction: column; align-items: stretch; gap: 0px; padding: 8px 0px; }
    .menu-main-list li{ position: relative; }
    .menu-main-list > li > a{ min-height: 0px; padding: 13px 56px 13px 20px; border-bottom: 1px solid var(--th-line); }
    /* Items slide in one after another when the panel opens (--i is set in custom.js). */
    .menu-main-list > li{ opacity: 0; translate: 16px 0px; transition: opacity .3s, translate .4s var(--th-ease); }
    .menu-main.open .menu-main-list > li{ opacity: 1; translate: 0px 0px; transition-delay: calc(var(--i, 0) * 40ms + 120ms); }
    .menu-main-list > li > a::after, .menu-main-list > li.menu-item-has-children > a::before{ display: none; }
    .menu-main-list .sub-menu, .menu-main-list > li.menu-mega > .sub-menu, .menu-main-list > li.menu-mega .sub-menu .sub-menu, .menu-main-list > li:not(.menu-mega) .sub-menu .sub-menu{ position: static; display: none; min-width: 0px; padding: 4px 0px 8px 16px; border: 0px; border-radius: 0px; box-shadow: none; opacity: 1; visibility: inherit; transform: none; transition: none; background: var(--th-bg); }
    .menu-main-list > li.menu-mega{ position: relative; }
    .menu-main-list li.open > .sub-menu, .menu-main-list > li.menu-mega li.open > .sub-menu{ display: block; }
    .menu-main-list > li.menu-mega > .sub-menu > li > a{ border: 0px; margin: 0px; padding: 10px 56px 10px 12px; color: var(--th-ink); font-weight: 600; }
    .menu-main-list .sub-menu a{ padding: 9px 56px 9px 12px; }
    .menu-main-list > li.menu-mega .sub-menu .sub-menu a{ padding: 7px 12px; }
    .sub-toggle{ position: absolute; right: 8px; top: 4px; display: grid; place-items: center; width: 40px; height: 40px; border: 0px; border-radius: 8px; background: transparent; color: var(--th-gold-dark); transition: transform .25s, background .25s; }
    .sub-toggle:hover{ background: var(--th-gold-soft); }
    li.open > .sub-toggle{ transform: rotate(180deg); }
    .menu-main-foot{ display: block; margin-top: auto; padding: 20px; background: var(--th-gold-soft); text-align: center; font-size: 14px; }
    .menu-main-foot .btn-gold{ width: 100%; margin-top: 12px; }
    /*
    * FILTER.
    */
    .bds-filter{ flex-direction: column; }
    .bds-filter-keyword{ flex: 1 1 auto; }
    /*
    * BLOCK HOME.
    */
    .bds-list{ grid-template-columns: repeat(3, minmax(0px, 1fr)); gap: 20px; }
    .bds-list.is-3col{ grid-template-columns: repeat(2, minmax(0px, 1fr)); }
    /* Home/related lists: drop a last row of 1-2 cards so 3 columns stay even ("Xem tất cả" links to the rest). */
    .bds-list.is-scroll > :nth-child(3n+4):last-child, .bds-list.is-scroll > :nth-child(3n+4):nth-last-child(2), .bds-list.is-scroll > :nth-child(3n+4):nth-last-child(2) + *{ display: none; }
    .home-area-links{ grid-template-columns: repeat(2, minmax(0px, 1fr)); }
    .about-values-list{ grid-template-columns: repeat(2, minmax(0px, 1fr)); }
    .footer-main{ grid-template-columns: 1fr 1fr; }
    /*
    * TAXONOMY + SINGLE.
    */
    .listing-layout, .listing-layout.is-post{ grid-template-columns: minmax(0px, 1fr) 290px; gap: 24px; }
    .single-bds-layout{ grid-template-columns: minmax(0px, 1fr) 320px; gap: 28px; }
    .consign-page-inner{ grid-template-columns: minmax(0px, 1fr) 440px; }
}

@media screen and (max-width: 860px){
    /*
    * HEADER.
    */
    .header-top{ display: none; }
    .header-hotline{ padding: 0px; border: 0px; }
    .header-hotline-text{ display: none; }
    /*
    * FILTER.
    */
    .filter-band{ padding: 10px 0px; }
    .bds-filter{ padding: 8px; gap: 8px; }
    .bds-filter-keyword input{ height: 46px; padding-right: 110px; }
    .bds-filter-toggle{ position: absolute; right: 5px; top: 5px; bottom: 5px; display: inline-flex; align-items: center; gap: 6px; padding: 0px 12px; border: 0px; border-radius: 6px; background: var(--th-gold-gradient); color: #2A1606; font-weight: 600; font-size: 14px; }
    .bds-filter-fields{ display: none; grid-template-columns: repeat(2, minmax(0px, 1fr)); gap: 8px; }
    .bds-filter.is-open .bds-filter-fields{ display: grid; animation: fade-in .3s var(--th-ease); }
    .bds-filter-submit{ grid-column: 1 / -1; }
    .home-hero .bds-filter-fields{ display: grid; }
    .home-hero .bds-filter-toggle{ display: none; }
    .home-hero .bds-filter-keyword input{ padding-right: 14px; }
    /*
    * BLOCK HOME.
    */
    .home-hero{ min-height: 0px; }
    .home-hero-inner{ padding-block: 72px 32px; }
    .home-hero-types{ flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding-inline: 16px; scrollbar-width: none; }
    .home-hero-types::-webkit-scrollbar{ display: none; }
    .home-hero-types li{ flex-shrink: 0; }
    .bds-list, .bds-list.is-3col{ grid-template-columns: repeat(2, minmax(0px, 1fr)); gap: 16px; }
    /* Home/related lists become a swipe row: shorter page, next card peeks in as a hint. */
    .bds-list.is-scroll{ grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: calc((100% - 16px) / 2.2); overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scroll-padding-inline: 16px; margin-inline: -16px; padding: 4px 16px 16px; scrollbar-width: none; }
    .bds-list.is-scroll::-webkit-scrollbar{ display: none; }
    .bds-list.is-scroll > *{ scroll-snap-align: start; animation: none; }
    .bds-list.is-scroll > :nth-child(3n+4):last-child, .bds-list.is-scroll > :nth-child(3n+4):nth-last-child(2), .bds-list.is-scroll > :nth-child(3n+4):nth-last-child(2) + *{ display: flex; }
    .home-bds-chips{ flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding-inline: 16px; scrollbar-width: none; }
    .home-bds-chips::-webkit-scrollbar{ display: none; }
    .home-bds-chips li{ flex-shrink: 0; }
    .home-why-inner, .home-news-grid, .about-intro-inner, .contact-inner, .consign-page-inner{ grid-template-columns: minmax(0px, 1fr); }
    .home-why-media{ max-width: 520px; margin-right: 18px; }
    .about-intro-media{ margin-left: 18px; }
    .home-why-media img{ aspect-ratio: 16 / 10; }
    .home-area-links{ grid-template-columns: repeat(2, minmax(0px, 1fr)); }
    .home-area-tabs{ flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding-inline: 16px; scrollbar-width: none; }
    .home-area-tabs button{ flex-shrink: 0; }
    /*
    * TAXONOMY + SINGLE.
    */
    .listing-layout, .listing-layout.is-post, .single-bds-layout{ grid-template-columns: minmax(0px, 1fr); }
    /* The H1 right below already shows the current page title. */
    .rank-math-breadcrumb .last, .rank-math-breadcrumb .separator:has(+ .last){ display: none; }
    .single-bds-sticky{ position: static; }
    .news-list.is-3col{ grid-template-columns: repeat(2, minmax(0px, 1fr)); }
    .mobile-cta{ position: fixed; left: 0px; right: 0px; bottom: 0px; z-index: 95; display: flex; align-items: center; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--th-white); box-shadow: 0px -6px 20px rgba(30, 23, 20, 0.12); }
    .mobile-cta-price{ flex: 1; display: flex; flex-direction: column; line-height: 1.2; font-weight: 700; color: var(--th-red); font-size: 16px; }
    .mobile-cta-price small{ font-size: 12px; font-weight: 500; color: var(--th-muted); }
    .mobile-cta a{ display: inline-flex; align-items: center; gap: 6px; padding: 11px 16px; border-radius: 8px; font-weight: 600; }
    .mobile-cta-zalo{ background: var(--th-zalo); color: var(--th-white); }
    .mobile-cta-call{ background: var(--th-gold-gradient); color: #2A1606; }
    .single-bds-sidebar .support-card{ display: none; }
    body.single-bat-dong-san{ padding-bottom: 72px; }
    body.single-bat-dong-san .float-contact{ bottom: 86px; }
    body.single-bat-dong-san .float-contact a{ display: none; }
}

@media screen and (max-width: 560px){
    /*
    * HEADER.
    */
    .site-logo-text span{ display: none; }
    .site-logo-img{ width: 44px; height: 44px; }
    .site-logo-text strong{ font-size: 18px; }
    /*
    * FILTER.
    */
    .bds-filter-fields, .home-hero .bds-filter-fields{ grid-template-columns: 1fr; }
    .home-hero .bds-filter-fields{ display: none; }
    .home-hero .bds-filter.is-open .bds-filter-fields{ display: grid; }
    .home-hero .bds-filter-toggle{ display: inline-flex; }
    .home-hero .bds-filter-keyword input{ padding-right: 110px; }
    /*
    * BLOCK HOME.
    */
    .block-item-head{ margin-bottom: 20px; }
    /* Listing pages: compact horizontal cards for fast scanning. */
    .bds-list:not(.is-scroll), .bds-list.is-3col{ grid-template-columns: 1fr; gap: 12px; }
    .bds-list:not(.is-scroll) .bds-item{ display: grid; grid-template-columns: 42% minmax(0px, 1fr); }
    .bds-list:not(.is-scroll) .bds-item-thumb{ aspect-ratio: auto; min-height: 128px; }
    .bds-list:not(.is-scroll) .bds-item-thumb img{ position: absolute; inset: 0px; }
    .bds-list:not(.is-scroll) .bds-item-type{ display: none; }
    .bds-list:not(.is-scroll) .bds-item-badge{ top: 6px; right: 6px; padding: 2px 6px; font-size: 11px; }
    .bds-list:not(.is-scroll) .bds-item-body{ padding: 10px 12px; }
    .bds-list:not(.is-scroll) .bds-item-title{ font-size: 14.5px; }
    .bds-list:not(.is-scroll) .bds-item-price{ font-size: 15px; margin-top: 6px; }
    .bds-list:not(.is-scroll) .bds-item-meta{ font-size: 13px; }
    .bds-list:not(.is-scroll) .bds-item-foot{ font-size: 12px; padding-top: 8px; }
    .bds-list.is-scroll{ grid-auto-columns: 80%; gap: 12px; }
    .bds-list.is-scroll .bds-item-body{ padding: 12px 14px 10px; }
    .home-why-list{ grid-template-columns: 1fr; gap: 20px; }
    .home-news-item{ grid-template-columns: 120px minmax(0px, 1fr); }
    .home-area-links{ grid-template-columns: 1fr; }
    .home-area-panel{ padding: 16px; }
    .block-consign-actions{ width: 100%; }
    .block-consign-actions a{ flex: 1; }
    .about-values-list{ grid-template-columns: 1fr; }
    .footer-main{ grid-template-columns: repeat(2, minmax(0px, 1fr)); gap: 28px 20px; padding-block: 44px 28px; }
    .footer-about, .footer-connect{ grid-column: 1 / -1; }
    /*
    * TAXONOMY + SINGLE.
    */
    .news-list, .news-list.is-3col{ grid-template-columns: 1fr; }
    .bds-specs{ grid-template-columns: 1fr; }
    .bds-gallery-prev, .bds-gallery-next{ width: 38px; height: 38px; margin-top: -19px; }
    .bds-overview li{ flex-basis: calc(50% - 6px); gap: 10px; padding: 12px; }
    .bds-overview strong{ font-size: 15px; white-space: normal; }
    .bds-overview i{ font-size: 20px; }
    .wpcf7 .form-row{ grid-template-columns: 1fr; }
    .listing-seo{ padding: 18px; }
    .contact-form-box{ padding: 20px 16px; }
    .float-contact{ right: 12px; bottom: 16px; }
    .float-contact a{ width: 48px; height: 48px; }
}