/* ==========================================================================
   Noakhali Tech — responsive.css
   Breakpoints: 1280 (large laptop) · 1024 (tablet landscape / mobile header)
                768 (tablet portrait) · 560 (phone)
   ========================================================================== */

/* ---------- ≤ 1280px ---------- */
@media (max-width: 1280px) {
  .hide-lg { display: none !important; }
  .nav__link { padding: 13px 7px; font-size: 13px; }
  .nav__link::after { left: 7px; right: 7px; }
  .header-main { gap: 20px; }
  .category-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .service-grid, .course-grid, .review-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .review-grid > :nth-child(4) { display: none; }
  .hero-float--product { left: -12px; }
  .hero-float--service { right: -10px; }
  .refurb__grid { grid-template-columns: 290px 1fr; }
  .product-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { gap: 32px; }
}

/* ---------- ≤ 1024px : switch to mobile header ---------- */
@media (max-width: 1024px) {
  :root { --header-h: 64px; --gutter: 20px; }
  .hide-md { display: none !important; }
  .header-nav { display: none; }
  .header-main { display: grid; grid-template-columns: auto auto 1fr auto; gap: 8px 12px; padding-block: 10px; }
  .header-main__menu { display: inline-grid; }
  .logo img { height: 40px; }
  .header-main .search { grid-column: 1 / -1; grid-row: 2; max-width: none; width: 100%; height: 46px; }
  .header-actions { grid-column: 4; justify-self: end; }
  .header-action__text { display: none; }
  .header-action { padding: 4px; }

  .hero { padding-top: 36px; }
  .hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .hero__content { text-align: center; }
  .hero__text { margin-inline: auto; }
  .hero__actions { justify-content: center; }
  .hero__pillars { text-align: left; }
  .hero__visual { max-width: 620px; width: 100%; margin-inline: auto; }
  .brand-strip { flex-direction: column; align-items: flex-start; gap: 14px; margin-top: 56px; }
  .brand-strip__list { width: 100%; }

  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .refurb__grid { grid-template-columns: 1fr; }
  .refurb__intro { position: static; display: grid; grid-template-columns: 1fr 1fr; column-gap: 28px; }
  .refurb__intro > .eyebrow, .refurb__intro > .section-title, .refurb__intro > .section-head__sub { grid-column: 1; }
  .refurb__trust { grid-column: 2; grid-row: 1 / span 4; border: 0; padding: 0; }
  .product-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .deals__grid { grid-template-columns: 1fr; }
  .biz__grid { grid-template-columns: 1fr; gap: 40px; }
  .split-head { grid-template-columns: 1fr; gap: 16px; }
  .help-cta { grid-template-columns: auto 1fr; }
  .help-cta__actions { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; min-width: 0; }
  .help-cta__actions small { width: 100%; justify-content: flex-start; }
  .why__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .course-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blog-layout { grid-template-columns: 1fr; }
  .final-cta { grid-template-columns: 1fr; padding: 48px 40px; }
  .final-cta__visual img { width: 60%; }

  .feature-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .feature-strip__item:nth-child(3) { border-left: 0; }
  .feature-strip__item:nth-child(n+3) { border-top: 1px solid var(--border); }
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__brand { grid-column: 1 / -1; }
  .footer__newsletter { flex-direction: column; align-items: flex-start; }

  .product-grid--list .product-card { grid-template-columns: 200px 1fr; }
  .product-grid--list .product-card__footer { grid-column: 2; }
}

/* ---------- ≤ 768px ---------- */
@media (max-width: 768px) {
  :root { --gutter: 16px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
  .section-head--center { align-items: center; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .product-grid, .product-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .service-grid, .course-grid, .course-grid--3, .review-grid, .blog-grid, .solution-grid, .solution-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .review-grid > :nth-child(4) { display: flex; }
  .refurb__intro { grid-template-columns: 1fr; }
  .refurb__trust { grid-column: 1; grid-row: auto; display: grid; grid-template-columns: 1fr 1fr; }
  .deal-card { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
  .stat:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .1); }
  .training-intro { grid-column: 1 / -1; }
  .blog-card--row .blog-card__media { flex-basis: 34%; }

  .product-grid--list .product-card { grid-template-columns: 1fr; }
  .product-grid--list .product-card__footer { grid-column: auto; }

  .quickview { grid-template-columns: 1fr; }
  .quickview__media { padding: 28px 60px; }
  .quickview__body { padding: 24px; }

  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ---------- ≤ 560px : phones ---------- */
@media (max-width: 560px) {
  .hide-sm { display: none !important; }
  body { padding-bottom: 68px; font-size: 15px; }
  .topbar__list:first-child { display: none; }
  /* phone on the left, Facebook / YouTube on the right — no empty space */
  .topbar__list--right { width: 100%; justify-content: space-between; }
  .topbar__list--right li + li { border: 0; padding: 0; }

  .search__cat { display: none; }
  .search__btn span { display: none; }
  .search__btn { padding: 0 16px; }

  .bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 180; display: grid; grid-template-columns: repeat(5, 1fr); height: 64px; padding-bottom: env(safe-area-inset-bottom); background: rgba(255, 255, 255, .97); border-top: 1px solid var(--border); box-shadow: 0 -6px 20px -10px rgba(10, 27, 51, .18); backdrop-filter: blur(8px); }
  .bottom-nav a, .bottom-nav button { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; font-size: 10.5px; font-weight: 600; color: var(--muted); }
  .bottom-nav i { font-size: 1.15rem; color: var(--text-2); }
  .bottom-nav__icon { position: relative; }
  .bottom-nav__cart .bottom-nav__icon { display: grid; place-items: center; width: 46px; height: 46px; margin-top: -22px; border-radius: 50%; background: var(--primary); box-shadow: 0 8px 18px -6px rgba(11, 92, 173, .6); border: 3px solid #fff; }
  .bottom-nav__cart .bottom-nav__icon i { color: #fff; }
  .bottom-nav__cart .hcount { top: -6px; right: -8px; }
  .float-whatsapp { right: 14px; bottom: 80px; width: 50px; height: 50px; font-size: 1.5rem; }
  .back-to-top { display: none; }
  .toast-stack { left: 12px; right: 12px; bottom: 80px; }
  .toast { max-width: none; }

  .btn--lg { min-height: 50px; padding: 12px 20px; }
  .hero__title { font-size: 2.05rem; }
  .hero__text { font-size: 1rem; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__pillars { grid-template-columns: repeat(2, 1fr); margin-top: 28px; }
  .hero__stage { border-radius: 24px; }
  .hero-carousel { border-radius: 24px; }
  .hero-float { padding: 8px 10px 8px 8px; gap: 8px; border-radius: 12px; }
  .hero-float strong { font-size: 11.5px; }
  .hero-float small { font-size: 10px; }
  .hero-float b { font-size: 12.5px; }
  .hero-float .icon-tile { width: 30px; height: 30px; font-size: .8rem; }
  .hero-float__thumb { width: 42px; height: 36px; }
  .hero-float--product { left: -6px; top: 4%; }
  .hero-float--service { right: -6px; top: 46%; }
  .hero-float--support { display: none; }
  .hero-float--rating { bottom: -18px; }
  .avatar-stack .avatar { width: 26px; height: 26px; font-size: 9px; }

  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .category-card { padding: 8px 6px 12px; border-radius: 14px; }
  .category-card__media { margin-bottom: 8px; padding: 12%; }
  .category-card__name { font-size: 12px; }
  .category-card__meta, .category-card__arrow { display: none; }

  .product-card { padding: 8px; border-radius: 14px; }
  .product-card__body { padding: 10px 2px 10px; gap: 6px; }
  .product-card__top .rating__count { display: none; }
  .product-card__title { font-size: 13.5px; }
  .product-card__specs li { font-size: 11.5px; }
  .product-card__specs li:nth-child(n+3) { display: none; }
  .product-card__meta span { font-size: 10.5px; padding: 3px 6px; }
  .product-card__price-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .price__new { font-size: 1.02rem; }
  .price__old { font-size: 12px; }
  .price__save { display: none; }
  .product-card__footer { padding: 0 2px 2px; }
  .product-card__footer .btn { min-height: 40px; padding: 8px; font-size: 12.5px; }
  .product-card__actions .icon-btn { opacity: 1; transform: none; width: 30px; height: 30px; font-size: 12px; }
  .product-card__actions .icon-btn:nth-child(n+2) { display: none; }
  .badge { font-size: 10px; padding: 3px 7px; }

  .service-grid, .course-grid, .course-grid--3, .review-grid, .blog-grid { grid-template-columns: 1fr; }
  .solution-grid, .solution-grid--2, .why__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .solution-card { flex-direction: column; align-items: flex-start; gap: 10px; padding: 14px; }
  .solution-card__arrow { display: none; }
  .why-card { padding: 16px; }
  .why-card h3 { font-size: .92rem; }
  .why-card p { font-size: 12.5px; }
  .why-card .icon-tile { width: 42px; height: 42px; font-size: 1.05rem; }
  .service-card { padding: 22px 20px; }
  .refurb__trust { grid-template-columns: 1fr; }
  .deal-card { padding: 14px; }
  .deal-card--featured { padding: 18px; }
  .countdown__box { min-width: 42px; }
  .help-cta { grid-template-columns: 1fr; padding: 28px 22px; text-align: center; }
  .help-cta__icon { margin-inline: auto; width: 68px; height: 68px; font-size: 1.7rem; border-radius: 20px; }
  .help-cta__topics { justify-content: center; }
  .help-cta__actions .btn { flex: 1 1 100%; }
  .help-cta__actions small { justify-content: center; }
  .stat { padding: 20px 12px; }
  .stat strong { font-size: 1.8rem; }
  .blog-card--row .blog-card__excerpt { display: none; }
  .blog-card--row .blog-card__meta span:last-child { display: none; }
  .final-cta { padding: 36px 22px; border-radius: 24px; }
  .final-cta__visual img { width: 80%; }
  .final-cta__actions .btn { flex: 1 1 100%; }
  .rating-summary { width: 100%; }

  .feature-strip__grid { grid-template-columns: 1fr 1fr; }
  .feature-strip__item { flex-direction: column; align-items: flex-start; gap: 10px; padding: 18px 12px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > .footer__col:last-child { grid-column: 1 / -1; }
  .newsletter-form { flex-direction: column; background: none; border: 0; padding: 0; }
  .newsletter-form input { min-height: 48px; border-radius: 10px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); }
  .pagination a, .pagination span { min-width: 38px; height: 38px; }
}


/* ==========================================================================
   Inner pages
   ========================================================================== */
.page-hero--slim { padding: 16px 0; }
.page-hero--slim::after { display: none; }
.review-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.review-grid--3 > :nth-child(4) { display: flex; }

@media (max-width: 1280px) {
  .shop-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 22px; }
  .subcats { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .subcat img { width: 38px; }
  .product-detail { gap: 36px; }
  .cart-layout { grid-template-columns: minmax(0, 1fr) 340px; }
  .checkout-layout { grid-template-columns: minmax(0, 1fr) 360px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  /* Filters become an off-canvas drawer */
  .shop-layout { grid-template-columns: 1fr; }
  .filters { position: fixed; top: 0; bottom: 0; left: 0; z-index: 320; width: min(340px, 90vw); max-height: none; border-radius: 0; border: 0; transform: translateX(-100%); transition: transform .35s var(--ease); }
  .filters.is-open { transform: none; box-shadow: var(--shadow-lg); }
  .filters__close { display: inline-grid; }
  .filters__clear { margin-left: auto; }
  .filters__body { flex: 1; }
  .filters__foot { display: block; padding: 14px 18px; border-top: 1px solid var(--border); }
  .filters-backdrop { position: fixed; inset: 0; z-index: 310; background: rgba(10, 27, 51, .5); opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; display: block; }
  .filters-open .filters-backdrop { opacity: 1; visibility: visible; }
  .shop-toolbar__filter { display: inline-flex; }
  .shop-layout .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .subcats { grid-template-columns: repeat(5, 170px); overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
  .cat-banner { grid-template-columns: 1fr; }

  .product-detail { grid-template-columns: 1fr; }
  .gallery { position: static; max-width: 640px; }
  .pd-desc { grid-template-columns: 1fr; }
  .review-summary { grid-template-columns: 1fr 1.4fr; }
  .review-summary .btn { grid-column: 1 / -1; justify-self: start; }

  .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
  .summary { position: static; }

  .offer-hero__grid, .svc-hero, .sd-overview, .benefits, .faq-layout, .about-intro, .enroll, .contact-layout, .course-feature { grid-template-columns: 1fr; }
  .faq-layout__aside { position: static; }
  .offer-hero__art { max-width: 460px; }
  .campaigns, .coupon-cards { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process__step::after { display: none; }
  .feature-list, .pricing, .mv-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-page { grid-template-columns: 1fr; }
  .blog-side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .side-widget + .side-widget { margin-top: 0; }
  .about-collage { max-width: 540px; }
  .course-feature__cover { min-height: 200px; }
  .search-services { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .shop-layout .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shop-toolbar { gap: 10px; padding: 10px; }
  .shop-toolbar__count { order: 3; width: 100%; font-size: 13px; }
  .shop-toolbar__sort span { display: none; }
  .grade-guide, .review-grid--3 { grid-template-columns: 1fr; }
  .info-cards { grid-template-columns: 1fr; }
  .review-summary { grid-template-columns: 1fr; }
  .spec-table th, .spec-table td { padding: 11px 12px; font-size: 13px; }
  .spec-table th { width: 40%; }

  /* Cart table becomes stacked cards */
  .cart-table thead { display: none; }
  .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; width: 100%; }
  .cart-table tr { position: relative; padding: 14px 0; border-bottom: 1px solid var(--border); }
  .cart-table td { padding: 4px 0; border: 0; }
  .cart-table td[data-label] { display: flex; align-items: center; justify-content: space-between; padding-left: 108px; font-size: 13px; }
  .cart-table td[data-label]::before { content: attr(data-label); color: var(--muted); }
  .cart-table td:last-child { position: absolute; top: 8px; right: 0; width: auto; }
  .cart-item { padding-right: 36px; }
  .cart-actions { flex-direction: column-reverse; align-items: stretch; }
  .coupon .input { width: auto; flex: 1; }

  .option-grid { grid-template-columns: 1fr; }
  .deal-grid, .campaigns, .coupon-cards, .search-services { grid-template-columns: 1fr; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured .blog-card__media { min-height: 220px; }
  .blog-page .blog-grid { grid-template-columns: 1fr 1fr; }
  .course-facts { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { margin-top: -36px; }
  .cta-band { padding: 32px 26px; }
}

@media (max-width: 560px) {
  .page-hero { padding: 24px 0 28px; }
  .page-hero--dark { padding: 36px 0 44px; }
  .page-hero--dark .page-hero__title { font-size: 1.9rem; }
  .breadcrumb { font-size: 12.5px; }
  .shop-toolbar__show, .view-toggle { display: none; }
  .gallery { grid-template-columns: 1fr; }
  .gallery__main { grid-column: 1; }
  .gallery__thumbs { grid-column: 1; grid-row: 2; flex-direction: row; overflow-x: auto; }
  .gallery__thumb { width: 64px; flex: none; }
  .pd__highlights { grid-template-columns: 1fr; }
  .pd__buy .qty { width: 100%; justify-content: space-between; }
  .pd__buy .qty input { flex: 1; }
  .pd__buy .btn { flex: 1 1 45%; }
  .pd__assure { grid-template-columns: 1fr; }
  .pd__help { flex-wrap: wrap; }
  .pd__help a { margin-left: 0; }
  .tabs__btn { padding: 12px 14px; }

  .steps li + li::before { width: 16px; }
  .panel { padding: 18px; }
  .cart-item__img { width: 84px; height: 72px; }
  .cart-table td[data-label] { padding-left: 100px; }

  .process, .feature-list, .pricing, .mv-grid, .team-grid, .contact-cards, .benefit-stats, .blog-side, .blog-page .blog-grid { grid-template-columns: 1fr; }
  .svc-hero__stats div { padding: 16px; }
  .svc-hero__stats strong { font-size: 1.6rem; }
  .course-feature__body { padding: 22px; }
  .modules { grid-template-columns: 1fr; }
  .offer-burst { width: 96px; height: 96px; }
  .offer-burst strong { font-size: 1.6rem; }
  .campaign h3, .campaign p { max-width: 66%; }
  .flash-bar { padding: 14px 16px; }
  .coupon-card { flex-wrap: wrap; }
  .about-collage__badge { position: static; transform: none; grid-column: 1 / -1; justify-content: center; }
  .cta-band h2 { font-size: 1.4rem; }
  .cta-band__actions .btn { flex: 1 1 100%; }
}

@media (max-width: 560px) {
  .brand-strip__list img { max-height: 26px; max-width: 92px; }
}
@media (max-width: 480px) { .category-grid.category-grid--4 { gap: 8px; } }