.purchase-guide { padding-bottom: 3rem; }
.guide-breadcrumb { padding-top: 1rem; }
.guide-breadcrumb nav { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .85rem; }
.purchase-guide .page-hero { padding-block: 2rem; }
.purchase-guide .page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); line-height: 1.35; }
.purchase-guide .guide-content { padding-block: 1.5rem; }
.guide-choices { display: flex; flex-wrap: wrap; gap: .6rem; margin-block: 1.25rem; }
.guide-choices a { display: inline-block; padding: .65rem 1rem; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-weight: 700; }
.guide-section { scroll-margin-top: 6rem; padding-block: 1.5rem; border-top: 1px solid var(--line); }
.guide-section h2 { margin-bottom: .5rem; font-size: clamp(1.4rem, 3vw, 1.8rem); }
.guide-count { color: var(--muted); font-size: .9rem; }
.guide-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-block: 1.25rem; }
.guide-card { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: .65rem; background: #fff; text-decoration: none; color: var(--ink); }
.guide-card:focus-visible, .guide-choices a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.guide-card:hover { border-color: var(--accent); }
.guide-card-image { display: grid; place-items: center; aspect-ratio: 4 / 3; background: var(--mist); padding: .375rem; }
.guide-card-image img { display: block; width: 100%; height: 100%; min-height: 0; object-fit: contain; }
.guide-card-body { padding: .9rem; overflow-wrap: anywhere; }
.guide-card h3 { font-size: .95rem; line-height: 1.6; margin: .5rem 0; }
.guide-card p { font-size: .82rem; margin: .5rem 0; }
.guide-card .guide-card-cta { color: var(--accent); font-weight: 700; }
.guide-evidence { color: var(--muted); }
.guide-callout { border-left: 4px solid var(--accent); background: var(--mist); padding: 1rem 1.25rem; margin-block: 1.25rem; }
.guide-index-list { display: grid; gap: 1rem; padding: 0; list-style: none; }
.guide-index-list a { display: block; padding: 1.25rem; border: 1px solid var(--line); border-radius: .65rem; background: #fff; }
@media (max-width: 900px) { .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .guide-grid { grid-template-columns: 1fr; } .guide-card { display: grid; grid-template-columns: 38% 62%; } .guide-card-image { align-self: start; aspect-ratio: 3 / 4; } }