/* Breakpoints da especificação: 3 colunas ≥1024px, 2 colunas 768–1024px, 1 coluna <768px. */
@media (max-width:1024px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .detail{grid-template-columns:1fr;gap:22px}
  .checkout{grid-template-columns:1fr}
  .card:nth-child(2n+1){animation-delay:0ms}
  .card:nth-child(2n+2){animation-delay:50ms}
}
@media (max-width:768px){
  .grid{grid-template-columns:1fr}
  .hero{min-height:200px}
  .hero__inner{padding:28px 18px;flex-direction:column;align-items:flex-start;gap:20px}
  .hero__title{font-size:1.7rem}
  .hero__subtitle{font-size:.94rem}
  .hero__stats{gap:18px}
  .coupon-box{width:100%}
  .navbar__search{order:3;flex:1 1 100%;max-width:none;margin:0}
  .navbar{height:auto;padding:10px 0}
  .navbar__inner{flex-wrap:wrap;row-gap:10px}
  .navbar__brand{font-size:.96rem}
  .section{padding:24px 0}
  .section__title{font-size:1.2rem}
  .field-row{grid-template-columns:1fr}
  .cart-panel{right:12px;left:12px;bottom:86px;width:auto;max-width:none}
  .cart-fab{right:16px;bottom:16px}
  .qr__img{width:min(200px,64vw);height:min(200px,64vw)}
  .pix-key{flex-direction:column}
  .price__now{font-size:1.4rem}
  .detail__price .price__now{font-size:1.8rem}
  .card:nth-child(n){animation-delay:0ms}
  .footer__inner{flex-direction:column}
  body[data-page="product"]{padding-bottom:82px}
  body[data-page="product"] .detail .card__actions{display:none}
  .mobile-buybar{position:fixed;z-index:70;left:10px;right:10px;bottom:10px;padding:10px;display:flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(10,14,25,.94);box-shadow:0 18px 60px rgba(0,0,0,.55);backdrop-filter:blur(18px)}
  .mobile-buybar>div{display:grid;min-width:84px}.mobile-buybar small{font-size:.62rem;color:var(--text-muted);letter-spacing:.12em}.mobile-buybar b{color:var(--neon-yellow)}.mobile-buybar .btn--buy{flex:1}.mobile-buybar img{filter:brightness(0) invert(1)}
  body[data-page="product"] .cart-fab{display:none}
  .account-card{align-items:flex-start;flex-wrap:wrap}.account-card .btn{margin-left:74px}
  .admin-shop__head{flex-direction:column}.admin-shop__head .btn{width:100%}.admin-stats{grid-template-columns:1fr 1fr}.admin-grid{grid-template-columns:1fr}
}
@media (max-width:420px){
  .wrap,.navbar__inner,.footer__inner{padding:0 14px}
  .card__actions{flex-wrap:wrap}
  .success__check{width:88px;height:88px;font-size:2.5rem}
}
@media (min-width:1440px){
  .grid{gap:20px}
}
@media print{
  .navbar,.drawer,.cart-fab,.cart-panel,.toasts,.footer,.btn{display:none!important}
  body{background:#fff;color:#000}
}