/* Sprint 43 — SEO and speed helpers */
img{
  max-width:100%;
  height:auto;
}

img[width][height]{
  height:auto;
}

.seo-only{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  padding:0!important;
  margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;
  border:0!important;
}

.upload-processing-overlay,
.paypal-checkout-modal,
.checkout-auth-modal,
.admin-modal{
  contain:layout style paint;
}

.checkout-summary,
.admin-control-sidebar,
.emc-side-nav{
  will-change:transform;
}

button,
input,
select,
textarea{
  font-synthesis-weight:none;
}

@media(prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    scroll-behavior:auto!important;
    transition-duration:.01ms!important;
  }
}


.seo-content-section{
  width:min(1180px,92vw);
  margin:34px auto;
  padding:28px;
  border:1px solid #e5e5e5;
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 30px rgba(0,0,0,.045);
}
.seo-content-section h2{
  margin:0 0 10px;
  font-size:clamp(26px,3vw,38px);
}
.seo-content-section h3{
  margin:0 0 8px;
}
.seo-content-section p{
  color:#555;
  line-height:1.65;
}
.seo-content-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:18px;
}
.seo-content-grid article{
  padding:17px;
  border:1px solid #eee;
  border-radius:13px;
  background:#fafafa;
}
@media(max-width:850px){
  .seo-content-grid{
    grid-template-columns:1fr;
  }
}


button.is-loading{
  position:relative;
  pointer-events:none;
  opacity:.75;
}
button.is-loading::after{
  content:"";
  width:16px;
  height:16px;
  margin-left:10px;
  display:inline-block;
  vertical-align:-3px;
  border:2px solid rgba(255,255,255,.55);
  border-top-color:#fff;
  border-radius:50%;
  animation:seoSpin .7s linear infinite;
}
@keyframes seoSpin{
  to{transform:rotate(360deg)}
}