.hybrid-page { background: #f2f6f1; color: #14372e; }
.hybrid-page .brand { display: inline-flex; align-items: center; gap: 9px; }
.hybrid-page .brand-symbol { display: inline-flex; width: 28px; height: 28px; }
.hybrid-page .brand-symbol svg { width: 100%; height: 100%; }
.hybrid-skip { position: absolute; left: -9999px; top: 8px; z-index: 5; padding: 10px 14px; background: #fffef9; }
.hybrid-skip:focus { left: 12px; }
.hybrid-main { max-width: 1080px; padding-top: 8px; padding-bottom: 60px; }
.hybrid-path { margin: 0 0 10px; color: #425d50; font-size: .85rem; }
.hybrid-intro { margin-bottom: 20px; }
.hybrid-intro h1 { max-width: 24ch; margin: 0 0 10px; font: 700 clamp(2rem, 4.5vw, 3.45rem)/1.08 Georgia, serif; letter-spacing: -.045em; }
.hybrid-intro p { max-width: 68ch; margin: 0; color: #40594b; line-height: 1.55; font-size: 1.02rem; }
.hybrid-workbench { display: grid; grid-template-columns: minmax(0, .93fr) minmax(0, 1.07fr); gap: clamp(18px, 3vw, 34px); align-items: start; }
.hybrid-answer { min-width: 0; background: #fffef9; border: 1px solid #cfdbd2; border-top: 7px solid #14372e; padding: clamp(17px, 3vw, 28px); box-shadow: 0 12px 32px rgba(20,55,46,.07); }
.answer-overline { display: flex; justify-content: space-between; gap: 12px; color: #3d6250; font-size: .8rem; font-weight: 700; }
.answer-overline span:last-child { color: #795b42; font-weight: 500; }
.hybrid-answer h2 { margin: 19px 0 4px; color: #234c3b; font-size: 1.08rem; line-height: 1.25; }
.answer-total-line { display: flex; align-items: baseline; flex-wrap: wrap; column-gap: 11px; row-gap: 1px; margin: 0 0 11px; }
.answer-total-line strong { font: 700 clamp(2.7rem, 5.3vw, 4.6rem)/1 Georgia, serif; font-variant-numeric: tabular-nums; letter-spacing: -.055em; overflow-wrap: anywhere; }
.answer-total-line span { font-size: .82rem; color: #4e6757; }
.answer-route { min-height: 2.7em; margin: 0; padding: 10px 11px; background: #ccdc8d; color: #17352b; font-weight: 780; line-height: 1.35; }
.answer-ledger { margin-top: 15px; border-top: 1px solid #cfdbd2; border-bottom: 1px solid #cfdbd2; }
.answer-ledger p { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0; padding: 11px 0; }
.answer-ledger p + p { border-top: 1px solid #e4ebe5; }
.answer-ledger span { color: #4b6354; font-size: .86rem; }
.answer-ledger strong { text-align: right; font-variant-numeric: tabular-nums; }
.answer-warning { margin: 15px 0 0; border-left: 3px solid #a65e3b; padding-left: 10px; color: #74442c; line-height: 1.5; font-size: .85rem; }
.answer-context { margin: 12px 0 0; color: #52675a; font-size: .79rem; line-height: 1.48; }
.hybrid-inputs { min-width: 0; }
.input-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; border-bottom: 2px solid #14372e; padding: 0 0 11px; }
.input-heading h2 { margin: 0 0 3px; font-size: 1.35rem; }
.input-heading p { max-width: 39ch; margin: 0; color: #4b6555; font-size: .85rem; line-height: 1.43; }
#reset-example { flex: 0 0 auto; border: 1px solid #8da796; background: transparent; color: #214735; border-radius: 3px; min-height: 41px; padding: 7px 10px; font-weight: 700; cursor: pointer; }
.input-group { border-bottom: 1px solid #cfdbd2; padding: 13px 0 15px; }
.input-group h3 { margin: 0 0 10px; font-size: .97rem; }
.input-group > p { margin: 7px 0 0; color: #4d6354; font-size: .81rem; }
.input-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 15px; }
.hybrid-inputs label { display: grid; min-width: 0; align-content: start; gap: 4px; font-size: .84rem; font-weight: 740; }
.hybrid-inputs label span { color: #586b5c; font-size: .75rem; font-weight: 450; line-height: 1.34; }
.hybrid-inputs input { width: 100%; min-height: 45px; border: 1px solid #a6b8a7; border-radius: 3px; background: #fffef9; color: #14372e; padding: 8px 10px; font-size: 1rem; font-variant-numeric: tabular-nums; }
.hybrid-inputs input[aria-invalid="true"] { border: 2px solid #a65e3b; }
.input-error { margin: 12px 0 0; color: #8c3f28; font-weight: 700; line-height: 1.4; }
.hybrid-page :is(a,button,input,summary):focus-visible { outline: 3px solid #b45a24; outline-offset: 2px; }
.route-sheet { margin: 28px 0 0; border-top: 3px solid #14372e; }
.sheet-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 15px 0 12px; }
.sheet-heading h2 { margin: 0 0 3px; font-size: 1.42rem; }
.sheet-heading p { margin: 0; color: #4d6455; font-size: .87rem; }
.sheet-heading > span { color: #635b45; text-align: right; font-size: .78rem; }
.route-list { border-top: 1px solid #b7c9ba; }
.route-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.75fr) auto; align-items: center; gap: 14px; padding: 13px 10px; border-bottom: 1px solid #b7c9ba; }
.route-row.is-lowest { background: #e7efdb; border-left: 4px solid #37704a; padding-left: 6px; }
.route-row h3, .route-row p { margin: 0; }
.route-row h3 { font-size: 1rem; }
.route-row p { color: #4d6455; font-size: .86rem; }
.route-row > strong { font-variant-numeric: tabular-nums; font-size: 1.13rem; text-align: right; }
#route-footnote { max-width: 75ch; margin: 11px 0 0; color: #53675a; font-size: .82rem; line-height: 1.5; }
.hybrid-lower { display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr); align-items: start; gap: 25px; margin: 35px 0; }
.hybrid-diagram { margin: 0; padding: 10px; border: 1px solid #cfdbd2; background: #fffef9; }
.hybrid-diagram img { display: block; width: 100%; height: auto; }
.hybrid-diagram figcaption { padding: 6px 3px 2px; color: #4e6656; font-size: .79rem; line-height: 1.44; }
.hybrid-method h2, .hybrid-sources h2, .hybrid-faq h2 { margin: 0 0 8px; font-size: 1.35rem; }
.hybrid-method p, .hybrid-sources p, .hybrid-faq p { margin: 0 0 11px; color: #304b3b; line-height: 1.65; }
.hybrid-sources { max-width: 82ch; margin-bottom: 29px; }
.hybrid-faq { max-width: 82ch; }
.hybrid-faq details { border-top: 1px solid #b7c9ba; padding: 11px 0; }
.hybrid-faq details:last-child { border-bottom: 1px solid #b7c9ba; }
.hybrid-faq summary { cursor: pointer; font-weight: 730; }
.hybrid-faq details p { margin: 8px 0 0; }
@media (max-width: 800px) {
  .hybrid-workbench, .hybrid-lower { grid-template-columns: 1fr; }
  .hybrid-lower { gap: 19px; }
}
@media (max-width: 520px) {
  .hybrid-main { width: calc(100% - 26px); }
  .hybrid-intro h1 { font-size: clamp(2rem, 9vw, 2.65rem); }
  .hybrid-intro p { font-size: .94rem; }
  .hybrid-workbench { gap: 23px; }
  .hybrid-answer { padding: 17px; }
  .input-heading { display: block; }
  #reset-example { margin-top: 11px; }
  .sheet-heading { display: block; }
  .sheet-heading > span { display: block; margin-top: 7px; text-align: left; }
  .route-row { grid-template-columns: minmax(0,1fr) auto; gap: 3px 9px; }
  .route-row > p { grid-column: 1; }
  .route-row > strong { grid-column: 2; grid-row: 1 / 3; }
}
@media (max-width: 390px) {
  .input-grid { gap: 10px; }
  .hybrid-inputs label { font-size: .8rem; }
  .hybrid-inputs label span { font-size: .72rem; }
  .hybrid-inputs input { padding-inline: 7px; }
  .answer-total-line strong { font-size: 2.8rem; }
}