/* /stories/is-backdooring-worth-it: article layout, static charts, calculator. Loaded after story.css. */
.bd .story-hero { grid-template-columns: minmax(0, 1fr); padding-bottom: 0; }
.bd .story-hero h1 { max-width: 22ch; }
.bd .story-kicker, .bd .keep-grid .kk, .bd .story-crumbs { font-size: 13px; }
.bd-body { max-width: 820px; }
.bd-body h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.55rem, 3.2vw, 2.1rem); line-height: 1.18; margin: 2.4rem 0 .6rem; color: var(--ink); }
.bd-body h3 { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; margin: 1.6rem 0 .4rem; color: var(--ink); }
.bd-body h3.bd-small-h { font-size: 1.05rem; color: var(--ink2); }
.bd-body p { font-size: 1.05rem; line-height: 1.7; }
.bd-def { font-size: 1.12rem !important; color: var(--ink) !important; border-left: 4px solid var(--tiff); padding-left: 14px; margin-top: 1.4rem; }
.bd-lead { font-family: var(--serif); font-size: 1.25rem !important; line-height: 1.5 !important; color: var(--ink) !important; }

/* answer box: Tiffany fill with dark text only */
.bd-answer { background: var(--tiff); border-color: var(--tiff); color: var(--tiff-ink); margin: 1.4rem 0; }
.bd-answer .answer-lead, .bd-answer .answer-band, .bd-answer .answer-fine { color: var(--tiff-ink); }
.bd-answer .answer-lead { font-size: 15px; font-weight: 600; }
.bd-answer .answer-price { color: var(--tiff-ink); }
.bd-answer .answer-fine { font-size: 13px; }

.bd-fig { margin: 1.2rem 0; }
.bd-fig figcaption { font-size: 13px; color: var(--ink3); line-height: 1.5; margin-top: 4px; }
.bd-svg { width: 100%; height: auto; display: block; max-width: 560px; }
.bd-big { display: flex; gap: 18px; align-items: center; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); padding: 14px 0; margin: 1rem 0; }
.bd-bn { font-family: var(--serif); font-size: clamp(3rem, 9vw, 4.6rem); line-height: 1; color: var(--teal); flex: none; }
.bd-bl { font-size: 1rem; line-height: 1.5; color: var(--ink2); }

/* calculator */
.bd-calc { margin: 2.4rem 0; padding: 18px 18px 8px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.bd-calc h2 { margin-top: 0; }
.bd-calc-grid { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 18px; align-items: start; margin: .8rem 0; }
.bd-photo { margin: 0; }
.bd-photo img { width: 100%; height: auto; aspect-ratio: 7 / 5; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.bd-photo figcaption { font-size: 13px; color: var(--ink3); margin-top: 3px; }
.bd-ctrl label { display: block; font-weight: 700; font-size: 15px; color: var(--ink); margin: .7rem 0 .15rem; }
.bd-ctrl label:first-child { margin-top: 0; }
.bd-ctrl output { color: var(--teal); font-family: var(--serif); font-size: 1.15rem; }
.bd-ctrl select { width: 100%; min-height: 44px; font: 600 15px/1.2 'Source Sans 3', system-ui, sans-serif; color: var(--ink); background: #fff; border: 1px solid #b9c7c7; border-radius: 10px; padding: 0 10px; }
.bd-ctrl input[type=range] { width: 100%; height: 44px; accent-color: var(--teal); margin: 0; }
.bd-ctrl select:focus-visible, .bd-ctrl input:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
.bd-out { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: .6rem 0; }
.bd-card { border-top: 3px solid var(--teal); background: var(--wash); border-radius: 0 0 8px 8px; padding: 10px 10px 8px; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.bd-k { font-size: 13px; font-weight: 700; color: var(--ink2); line-height: 1.3; }
.bd-v { font-family: var(--serif); font-size: 1.7rem; line-height: 1.1; color: var(--teal); overflow-wrap: anywhere; }
.bd-s { font-size: 13px; color: var(--ink3); line-height: 1.35; }
.bd-typ { background: var(--wash); border-left: 4px solid var(--grey); padding: 10px 12px; border-radius: 0 8px 8px 0; font-size: 1rem !important; color: var(--ink) !important; }
.bd-note { font-size: .95rem !important; color: var(--ink2) !important; }

/* cases */
.bd-cases { list-style: none; padding: 0; margin: 0; counter-reset: c; }
.bd-cases li { border-top: 1px solid var(--line); padding: 12px 0 4px; }
.bd-cases li p { margin: 0 0 .5rem; }
.bd-case-h span { color: var(--ink3); margin-left: .4em; }
.bd-rules { padding-left: 1.1rem; }
.bd-rules li { margin: .5rem 0; line-height: 1.6; }
.bd-small, .bd-small li { font-size: .95rem; }
.bd-src { font-size: 13px !important; color: var(--ink3) !important; line-height: 1.5 !important; }
.bd-src a { overflow-wrap: anywhere; }

@media (max-width: 760px) {
  .bd-calc { padding: 14px 12px 6px; }
  .bd-calc-grid { grid-template-columns: 1fr; }
  .bd-photo { max-width: 260px; }
  .bd-out { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bd-big { flex-direction: column; align-items: flex-start; gap: 6px; }
  .bd-body { padding-left: 16px; padding-right: 16px; }
}