/* Shared SBN product presentation; intentionally isolated from checkout and catalog. */
.sbn-product-story,.sbn-legacy-story{--sbn-blue:#0b5aa6;--sbn-ink:#242935;--sbn-muted:#505963;--sbn-stone:#f6f3ed;--sbn-line:#e3ddd3;font:inherit;font-size:1rem;line-height:1.75;color:var(--sbn-ink);max-width:1080px;margin-inline:auto;overflow-wrap:anywhere}
.sbn-product-story *{box-sizing:border-box}
.sbn-product-story h2,.sbn-product-story h3,.sbn-product-story p{font-family:inherit;color:var(--sbn-ink);margin:0 0 1rem}
.sbn-product-story h2{font-size:clamp(1.6rem,2.3vw,2rem);line-height:1.3;letter-spacing:-.02em;font-weight:600}
.sbn-product-story h3{font-size:1.25rem;line-height:1.4;font-weight:600}
.sbn-product-story a{color:var(--sbn-blue);text-decoration:underline;text-underline-offset:3px}
.sbn-product-story svg{display:block;flex-shrink:0;color:var(--sbn-blue)}
.sbn-product-story .sbn-kicker{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--sbn-blue);margin-bottom:.65rem}
.sbn-story-heading{max-width:850px;padding-top:.5rem}
.sbn-product-story .sbn-story-intro{font-size:1.0625rem;line-height:1.8}
.sbn-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));border:1px solid var(--sbn-line);border-radius:12px;background:var(--sbn-stone);margin:1.75rem 0 2rem;overflow:hidden}
.sbn-feature{padding:1.25rem;min-width:0;border-inline-end:1px solid var(--sbn-line)}
.sbn-feature:last-child{border-inline-end:0}
.sbn-feature svg{margin-bottom:.75rem}
.sbn-feature strong{display:block;font-size:1rem;font-weight:600;line-height:1.4}
.sbn-feature span{display:block;font-size:.875rem;line-height:1.55;color:var(--sbn-muted);margin-top:.3rem}
.sbn-copy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem;margin:2rem 0}
.sbn-copy-grid:empty{display:none}
.sbn-copy-grid section:only-child{grid-column:1/-1;max-width:850px}
.sbn-plan{margin:1.75rem 0 2.25rem;border-left:3px solid var(--sbn-blue);padding:.2rem 0 .2rem 1.25rem}
.sbn-plan p:last-child{margin:0}
.sbn-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:1rem;margin:1.25rem 0}
.sbn-info{padding:1.25rem;background:#f7f8fa;border:1px solid #e2e5e9;border-radius:10px}
.sbn-info strong{display:block;font-size:1rem;line-height:1.4;font-weight:600;margin:.75rem 0 .5rem}
.sbn-product-story .sbn-info p{font-size:.875rem;line-height:1.65;color:var(--sbn-muted);margin:0}
.sbn-product-story .sbn-caption{font-size:.875rem;color:var(--sbn-muted);margin-bottom:1.75rem}
.sbn-test-result{display:flex;gap:1rem;padding:1.25rem;border:1px solid #d2dfeb;border-radius:10px;margin:1.5rem 0;background:#f5f8fc}
.sbn-detail{border-top:1px solid #e2e5e8;padding:1.1rem 0}
.sbn-detail summary{cursor:pointer;font-size:1.0625rem;font-weight:600;min-height:2rem;line-height:1.6}
.sbn-detail summary::marker{color:var(--sbn-blue)}
.sbn-product-story .sbn-detail>p{margin:1rem 0 0}
.sbn-product-story table{width:100%;border-collapse:collapse;table-layout:fixed;margin-top:1rem;font-size:.9375rem}
.sbn-product-story th,.sbn-product-story td{padding:.75rem;border-bottom:1px solid #e7e8e9;text-align:left;vertical-align:top;overflow-wrap:anywhere}
.sbn-product-story th{width:40%;background:#f8f9fa;color:#454d56;font-weight:500}
.sbn-related{margin-top:2rem;padding:clamp(1rem,3vw,1.75rem);background:var(--sbn-stone);border:1px solid var(--sbn-line);border-radius:14px}
.sbn-product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.375rem;margin-top:1.5rem}
.sbn-related-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--sbn-line);border-radius:10px;background:#fff;overflow:hidden}
.sbn-related-photo{display:grid;place-items:center;aspect-ratio:4/3;background:#efede8}
.sbn-product-story .sbn-related-photo img{display:block;width:100%;height:100%;object-fit:contain;aspect-ratio:4/3;margin:0;border:0;border-radius:0;max-width:100%}
.sbn-photo-empty{color:var(--sbn-muted);font-size:.875rem}
.sbn-related-body{display:flex;flex-direction:column;flex:1;padding:1.25rem}
.sbn-product-story .sbn-related-card h3{font-size:1.0625rem;font-weight:600;line-height:1.5;margin-bottom:1rem}
.sbn-product-story .sbn-related-card h3 a{color:var(--sbn-ink);text-decoration:none}
.sbn-product-story .sbn-related-card h3 a:hover{text-decoration:underline}
.sbn-product-story .sbn-card-price{font-size:1.5rem;line-height:1.4;font-weight:650;margin-bottom:.2rem}
.sbn-card-price span{font-size:1rem;font-weight:500}
.sbn-product-story .sbn-card-old{font-size:.875rem;color:var(--sbn-muted);margin-bottom:.3rem}
.sbn-product-story .sbn-card-note{font-size:.8125rem;color:var(--sbn-muted);line-height:1.6;margin:.4rem 0 1rem}
.sbn-product-story a.sbn-related-link{display:flex;gap:.5rem;align-items:center;justify-content:center;min-height:48px;padding:.75rem 1rem;margin-top:auto;border-radius:6px;background:var(--sbn-blue);color:#fff;text-decoration:none;font-size:.9375rem;font-weight:600;line-height:1.4}
.sbn-product-story a.sbn-related-link:hover{background:#084781}
.sbn-product-story a:focus-visible,.sbn-product-story summary:focus-visible{outline:3px solid var(--sbn-blue);outline-offset:4px}
.sbn-product-story .sbn-bottom-note{font-size:.8125rem;line-height:1.6;color:var(--sbn-muted);margin:1.25rem 0 0}
.sbn-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sbn-material-report{margin:2rem 0;padding:1.5rem;border:1px solid var(--sbn-line);border-radius:12px;background:#fff}
.sbn-report-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}
.sbn-report-heading>svg{margin-top:.25rem}
.sbn-product-story .sbn-report-heading h2{font-size:1.5rem;margin-bottom:.6rem}
.sbn-product-story .sbn-report-scope{font-size:.9375rem;color:var(--sbn-muted);margin-bottom:1.25rem}
.sbn-report-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--sbn-line);border:1px solid var(--sbn-line);border-radius:8px;overflow:hidden;margin:0}
.sbn-report-metric{padding:1.125rem;background:var(--sbn-stone);min-width:0}
.sbn-report-metric svg{margin-bottom:.75rem}
.sbn-report-metric dt{font-size:.875rem;line-height:1.5;min-height:2.625rem;font-weight:500}
.sbn-report-metric dd{margin:.65rem 0 0;line-height:1.5}
.sbn-report-value{font-size:1.75rem;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.sbn-report-unit{font-size:.875rem;white-space:nowrap}
.sbn-report-condition{display:block;font-size:.8125rem;color:var(--sbn-muted);margin-top:.35rem}
.sbn-report-footer{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;margin-top:1.25rem}
.sbn-product-story .sbn-report-source{font-size:.875rem;font-weight:600;margin:0 0 .35rem}
.sbn-product-story .sbn-report-note{font-size:.8125rem;line-height:1.6;color:var(--sbn-muted);margin:0;max-width:650px}
.sbn-product-story a.sbn-report-download{display:flex;flex-wrap:wrap;justify-content:center;gap:.3rem;padding:.65rem 1rem;min-height:44px;flex-shrink:0;border:1px solid var(--sbn-blue);border-radius:6px;font-size:.875rem;text-decoration:none;font-weight:600}
.sbn-product-story a.sbn-report-download:hover{background:#f3f7fb}
.sbn-report-download span{font-weight:400}
@media(max-width:900px){.sbn-report-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sbn-report-footer{align-items:flex-start;flex-direction:column}}
.sbn-legacy-story h2{font-size:1.6rem;line-height:1.35;margin:2rem 0 1rem}
.sbn-legacy-story h3{font-size:1.25rem;line-height:1.4;margin:1.5rem 0 .75rem}
.sbn-legacy-story p,.sbn-legacy-story ul{margin-bottom:1rem;line-height:1.75}
@media(max-width:650px){
 .sbn-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .sbn-feature{padding:1rem;border-bottom:1px solid var(--sbn-line)}
 .sbn-feature:nth-child(even){border-inline-end:0}
 .sbn-copy-grid,.sbn-product-grid,.sbn-info-grid{grid-template-columns:1fr}
 .sbn-copy-grid{gap:1.25rem}
 .sbn-info{display:grid;grid-template-columns:26px 1fr;gap:0 .8rem}
 .sbn-info svg{grid-row:1/3}
 .sbn-info strong{margin:0 0 .4rem}
 .sbn-product-story th,.sbn-product-story td{padding:.65rem .5rem}
 .sbn-material-report{padding:1rem}
 .sbn-report-metric{padding:.875rem}
 .sbn-report-value{font-size:1.5rem}
}
@media(max-width:360px){.sbn-report-grid{grid-template-columns:1fr}}