/* THREAD — responsive (breakpoints from HANDOFF.md §7) */

@media (max-width: 1279px) {
  :root { --page-margin: 48px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .pdp { grid-template-columns: 1.1fr 1fr; gap: 32px; }
  .cart-layout { grid-template-columns: 1fr 360px; gap: 40px; }
  .co-layout { grid-template-columns: 1fr 360px; gap: 40px; }
  .h1 { font-size: 56px; }
}

@media (max-width: 900px) {
  .pdp { grid-template-columns: 1fr; }
  .pdp .gallery { max-width: 560px; }
  .cart-layout,
  .co-layout { grid-template-columns: 1fr; }
  .summary { position: static; order: -1; }
}

/* Footer reflow */
@media (max-width: 1024px) {
  .footer .cols { grid-template-columns: repeat(4, 1fr); }
  .footer .brand-col { grid-column: 1 / -1; max-width: 460px; margin-bottom: 8px; }
}
@media (max-width: 560px) {
  .footer .cols { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
}

@media (max-width: 767px) {
  :root { --page-margin: 20px; }
  .nav { display: none; }
  .burger { display: grid; place-items: center; width: 24px; height: 24px; position: relative; }
  .burger::after { content: ""; position: absolute; inset: -10px; } /* 44x44 hit area, same as .icon-btn */
  .h1 { font-size: 40px; }
  .h2 { font-size: 32px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .toolbar { flex-direction: row; }
  .card .name { font-size: 16px; }

  /* Sticky add-to-cart bar on PDP */
  .pdp .actions { position: sticky; bottom: 0; background: var(--surface); padding: 12px 0; border-top: 1px solid var(--border); z-index: 30; }

  .split { grid-template-columns: 1fr; padding: 16px; }
  .cart-item { gap: 16px; }
  .cart-item .thumb { width: 84px; height: 100px; }
  .cart-item .ci-name { font-size: 16px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .field-row .field.pair { grid-template-columns: 1fr 1fr; }
  .co-form section { margin-bottom: 32px; }

  /* Sticky Pay button */
  .co-form .pay-sticky { position: sticky; bottom: 0; background: var(--surface); padding: 12px 0; }

  .details-card { padding: 24px; }
  .confirm h1 { font-size: 32px; }
  .confirm .cta { flex-direction: column; width: 100%; }
  .confirm .cta .btn { width: 100%; }
  .empty h2 { font-size: 32px; }
  .empty .cta { flex-direction: column; width: 100%; }
}

@media (max-width: 359px) {
  .grid { grid-template-columns: 1fr; }
}

/* Support / content pages */
@media (max-width: 1024px) {
  .help-grid { grid-template-columns: repeat(2, 1fr); }
  .doc-layout { grid-template-columns: 180px 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr 340px; gap: 40px; }
}
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .doc-layout { grid-template-columns: 1fr; gap: 0; }
  .doc-toc { display: none; }
}
@media (max-width: 767px) {
  .help-grid { grid-template-columns: 1fr; }
  .support-head h1 { font-size: 36px; }
  .support-cta { padding: 40px 24px; }
  .support-cta .cta { flex-direction: column; }
}

/* Wishlist grid */
@media (max-width: 1279px) { .wish-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .wish-grid { grid-template-columns: 1fr; gap: 32px; } }

/* Cart / checkout — mobile overflow fix */
@media (max-width: 900px) {
  .cart-layout > *, .co-layout > * { min-width: 0; }
}
@media (max-width: 767px) {
  .cart-item { gap: 12px; }
  .cart-item .ci-info { min-width: 0; }
  .cart-item .ci-name { word-break: break-word; }
  .summary { padding: 24px; }
}

/* Home page — mobile */
@media (max-width: 767px) {
  .home-section { padding-top: 64px; }
  .benefits { flex-wrap: wrap; gap: 20px 16px; }
  .benefit { flex: 1 1 42%; }
  .reviews { padding: 40px 24px; margin-top: 64px; }
  .reviews .r-head { flex-direction: column; align-items: flex-start; gap: 6px; margin-bottom: 24px; }
  .review-cards { grid-template-columns: 1fr; gap: 16px; }
}

/* Company pages */
@media (max-width: 1024px) {
  .help-grid.four { grid-template-columns: repeat(2, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; padding: 40px; }
  .partner-logos { grid-template-columns: repeat(3, 1fr); }
  .feature-split { gap: 40px; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post .fp-media { min-height: 260px; }
}
@media (max-width: 767px) {
  .help-grid.four { grid-template-columns: 1fr; }
  .feature-split { grid-template-columns: 1fr; gap: 28px; }
  .feature-split .fs-media { order: -1; aspect-ratio: 3 / 2; }
  .post-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .partner-logos { grid-template-columns: repeat(2, 1fr); }
  .featured-post .fp-body { padding: 28px; }
  .job-card { flex-direction: column; align-items: flex-start; gap: 8px; }
  .article h1 { font-size: 32px; }
}

/* Sustainability: single column on mobile */
@media (max-width: 767px) {
  .sustain .sus-grid { grid-template-columns: 1fr; align-items: start; }
}

/* Collections tiles */
@media (max-width: 900px) {
  .col-grid { grid-template-columns: 1fr; }
  .col-tile { height: 320px; padding: 28px; }
  .col-tile.hero { height: 400px; }
}