.resource-detail__hero { position: relative; padding: var(--page-hero-top) 0 var(--page-hero-bottom); overflow: hidden; background: var(--color-bg-muted); }
.resource-detail__hero::after { position: absolute; top: 20px; right: max(20px, calc((100vw - var(--container)) / 2 + var(--side-space))); width: 310px; height: 210px; opacity: .6; background-image: radial-gradient(circle, var(--color-dots-dark) 1.4px, transparent 1.7px); background-size: 24px 24px; content: ""; pointer-events: none; }
.resource-detail__hero .container { position: relative; z-index: 1; }
.resource-detail__hero-grid { display: grid; align-items: center; gap: clamp(38px, 7vw, 100px); grid-template-columns: minmax(280px, .68fr) minmax(0, 1.32fr); }
.resource-detail__cover { display: grid; min-height: 480px; margin: 0; padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-panel); overflow: hidden; background: #fff; place-items: center; }
.resource-detail__cover img { width: 100%; height: 100%; max-height: 560px; object-fit: contain; }
.resource-detail__eyebrow,
.resource-detail__content-heading > span,
.resource-detail__section-heading > span { display: block; margin-bottom: 14px; color: var(--color-accent); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.resource-detail__copy h1 { margin: 0 0 20px; font-size: clamp(34px, 4.2vw, 58px); line-height: 1.08; }
.resource-detail__lead { max-width: 720px; margin: 0 0 24px; color: var(--color-text); font-size: 18px; line-height: 1.65; }
.resource-detail__prices { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; padding: 0; list-style: none; }
.resource-detail__prices li { padding: 10px 14px; border: 1px solid var(--color-accent-border); border-radius: 999px; color: var(--color-dark); background: var(--color-accent-soft); font-size: 14px; font-weight: 800; }
.resource-detail__content { background: #fff; }
.resource-detail__content-grid { display: grid; align-items: start; gap: clamp(40px, 7vw, 100px); grid-template-columns: minmax(240px, .55fr) minmax(0, 1.45fr); }
.resource-detail__content-heading { position: sticky; top: 120px; }
.resource-detail__content-heading h2 { margin: 0; }
.resource-detail__prose { min-width: 0; }
.resource-detail__prose > :first-child { margin-top: 0; }
.resource-detail__prose img,
.resource-detail__prose iframe { max-width: 100%; }
.resource-detail__prose .btn { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--color-accent); border-radius: 10px; color: var(--color-accent); font-weight: 800; text-decoration: none; }
.resource-detail__gallery { background: var(--color-bg-muted); }
.resource-detail__section-heading { max-width: 820px; margin-bottom: 34px; }
.resource-detail__gallery-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.resource-detail__gallery-grid button { min-height: 230px; padding: 12px; border: 1px solid var(--color-border); border-radius: 16px; overflow: hidden; background: #fff; cursor: zoom-in; }
.resource-detail__gallery-grid img { width: 100%; height: 100%; max-height: 310px; object-fit: contain; }
.resource-detail__related { background: var(--color-bg-light); }
.resource-detail__related-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.resource-detail__related-grid article { display: flex; min-width: 0; padding: 18px; border: 1px solid var(--color-border); border-radius: 16px; background: #fff; flex-direction: column; }
.resource-detail__related-image { display: grid; height: 230px; margin-bottom: 20px; padding: 14px; border-radius: 12px; overflow: hidden; background: var(--color-bg-muted); place-items: center; }
.resource-detail__related-image img { width: 100%; height: 100%; object-fit: contain; }
.resource-detail__related-grid h3 { margin: 0 0 20px; font-size: 20px; line-height: 1.35; }
.resource-detail__related-link { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; color: var(--color-accent); font-weight: 800; }

@media (max-width: 900px) {
  .resource-detail__hero-grid,
  .resource-detail__content-grid { grid-template-columns: 1fr; }
  .resource-detail__cover { max-width: 580px; min-height: 0; }
  .resource-detail__content-heading { position: static; }
  .resource-detail__gallery-grid,
  .resource-detail__related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .resource-detail__hero { padding: var(--page-hero-mobile-top) 0 var(--page-hero-mobile-bottom); }
  .resource-detail__cover { padding: 18px; }
  .resource-detail__lead { font-size: 16px; }
  .resource-detail__buy { width: 100%; }
  .resource-detail__gallery-grid,
  .resource-detail__related-grid { grid-template-columns: 1fr; }
}