* { box-sizing: border-box; }
:root { color-scheme: light; --blue: #1e4f88; --paper: #f5f3e9; --mono: 'Courier New', Courier, monospace; }
html { scroll-behavior: smooth; scroll-snap-type: y mandatory; }
body { margin: 0; padding: 28px; color: var(--ink); background: var(--ground); font: 16px/1.55 Arial, Helvetica, sans-serif; }
body.cyanotype { --ink: #edf1ee; --muted: #c6d9e7; --line: #789bb7; --soft-line: #547fa3; --ground: #133b66; --surface: #1a4b7e; }
a { color: inherit; text-underline-offset: 5px; }
button, input { font: inherit; border-radius: 0; }
button:disabled { cursor: default; opacity: 1; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 400; }
h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.12; letter-spacing: -.035em; }
h3 { font-size: 21px; line-height: 1.3; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
[id] { scroll-margin-top: 25px; }
.sheet { max-width: 1344px; margin: auto; border: 1px solid var(--line); background: var(--surface); position: relative; }
.sheet::before, .sheet::after { content: '+'; font: 20px/1 var(--mono); position: absolute; top: -11px; color: var(--line); }
.sheet::before { left: -6px; }.sheet::after { right: -6px; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 5; padding: 10px; background: var(--surface); }
.skip-link:focus { top: 8px; }
.site-header { display: flex; align-items: center; gap: 26px; padding: 22px 32px; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 8px; flex: none; font-size: 21px; font-weight: 600; letter-spacing: -.04em; text-decoration: none; }
.logo-mark { display: block; flex: none; width: 32px; height: 32px; margin-right: 4px; }
.wordmark-dot { font-weight: 400; }
.site-header nav { display: flex; gap: 28px; margin-left: auto; }
.site-header nav a { font-size: 13px; text-decoration: none; padding: 8px 0; }
.site-header nav a:hover { text-decoration: underline; }
.mock-label { max-width: 142px; padding-left: 24px; border-left: 1px solid var(--line); color: var(--muted); font: 10px/1.5 var(--mono); }
.eyebrow, .subheading, .sheet-code, .drawing-topline, .drawing-titleblock>div>span, .outside-caption, .formula-label { font: 11px/1.5 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.eyebrow { color: var(--muted); }
.section-dot { display: inline-block; width: 6px; height: 6px; margin: 0 9px 1px 0; background: currentColor; }
.hero { display: grid; grid-template-columns: .85fr 1.15fr; border-bottom: 1px solid var(--line); }
.hero-copy { grid-column: 2; padding: 52px 45px 44px; }
.hero h1 { margin-top: 24px; font-size: clamp(44px, 4.65vw, 67px); line-height: 1.065; letter-spacing: -.045em; }
.intro { font-size: 18px; line-height: 1.5; margin-top: 28px; }
.scope { margin-top: 26px; font-size: 13px; line-height: 1.65; color: var(--muted); max-width: 480px; }
.text-link { display: inline-flex; align-items: center; gap: 20px; margin-top: 22px; padding-bottom: 6px; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 13px; }
.text-link span { font-size: 18px; }
.free { margin-top: 27px; padding-top: 16px; border-top: 1px solid var(--soft-line); font: 11px/1.6 var(--mono); color: var(--muted); }
.drawing { grid-column: 1; grid-row: 1; min-width: 0; margin: 28px 0 28px 28px; border: 1px solid var(--line); display: flex; flex-direction: column; background-image: linear-gradient(#c3e0ed0b 1px, transparent 1px), linear-gradient(90deg, #c3e0ed0b 1px, transparent 1px), linear-gradient(#c3e0ed08 1px, transparent 1px), linear-gradient(90deg, #c3e0ed08 1px, transparent 1px); background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px; }
.drawing-topline { display: flex; justify-content: space-between; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--soft-line); font-size: 10px; color: var(--muted); }
.drawing-stage { flex: 1; display: grid; align-items: center; min-width: 0; }
.drawing-stage img { display: block; width: 100%; height: 500px; object-fit: contain; }
.drawing-titleblock { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); background: var(--surface); }
.drawing-titleblock>div { padding: 11px 14px; min-width: 0; }
.drawing-titleblock>div:nth-child(even) { border-left: 1px solid var(--line); }
.drawing-titleblock>div:nth-child(n+3) { border-top: 1px solid var(--line); }
.drawing-titleblock>div>span { display: block; font-size: 9px; color: var(--muted); }
.drawing-titleblock strong { display: block; margin-top: 2px; font-size: 13px; font-weight: 400; line-height: 1.4; }
.section { padding: 42px 36px; border-bottom: 1px solid var(--line); }
.section-heading h2, .calculation-heading h2 { margin-top: 15px; }
.section-description { margin-top: 20px; color: var(--muted); font-size: 13px; }
.calculation-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 30px; }
.sheet-code { border-left: 1px solid var(--line); padding-left: 18px; text-align: right; color: var(--muted); font-size: 10px; }
.calculation-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.data-form { padding: 27px; min-width: 0; }
.subheading { display: flex; justify-content: space-between; gap: 20px; font-size: 10px; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 13px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding-top: 24px; }
.field { display: block; min-width: 0; }
.field-label { display: flex; align-items: start; gap: 9px; min-height: 43px; margin-bottom: 10px; font-size: 13px; line-height: 1.4; }
.field-index { font: 10px/1.8 var(--mono); color: var(--muted); }
.field input { width: 100%; min-width: 0; padding: 13px 12px; background: transparent; border: 1px solid var(--line); color: inherit; font: 20px/1.3 var(--mono); }
.calculate-button { width: 100%; display: flex; justify-content: space-between; gap: 14px; margin-top: 26px; padding: 17px 18px; border: 1px solid var(--paper); background: var(--paper); color: #153d68; font-size: 15px; font-weight: 600; text-align: left; }
.form-helper { margin-top: 18px; font-size: 12px; color: var(--muted); line-height: 1.6; max-width: 430px; }
.result { padding: 28px 30px; border-left: 1px solid var(--line); min-width: 0; background: #e3eaf0; color: #174575; --muted: #365d80; --line: #8ea8bb; }
.result h3 { font-size: 22px; margin-top: 23px; }
.amount { margin-top: 17px; font-size: clamp(40px, 4.55vw, 66px); line-height: 1.08; letter-spacing: -.055em; white-space: nowrap; font-variant-numeric: tabular-nums; }
.amount span { font-size: .61em; margin-left: 2px; }
.result-detail { font-size: 12px; font-weight: 600; line-height: 1.6; margin-top: 21px; }
.result-dates { font-size: 12px; line-height: 1.6; margin-top: 7px; color: var(--muted); }
.dimension-rule { display: flex; align-items: center; gap: 12px; color: var(--muted); margin: 24px 0 20px; }
.dimension-rule span { flex: 1; height: 1px; background: currentColor; position: relative; }
.dimension-rule span::before, .dimension-rule span::after { content: ''; position: absolute; width: 1px; height: 9px; background: currentColor; top: -4px; transform: rotate(35deg); }
.dimension-rule span::before { left: 0; }.dimension-rule span::after { right: 0; }
.dimension-rule b { font: 10px var(--mono); }
.formula-label { font-size: 10px; color: var(--muted); }
.formula { margin-top: 9px; max-width: 410px; font: 14px/1.65 var(--mono); }
.result-note { border-top: 1px solid var(--line); padding-top: 15px; margin-top: 19px; font-size: 12px; color: var(--muted); }
.eligibility, .faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; }
.conditions { list-style: none; margin: 0; padding: 0; }
.conditions li { display: flex; align-items: start; gap: 20px; padding: 17px 0; border-top: 1px solid var(--soft-line); }
.conditions li:last-child { border-bottom: 1px solid var(--soft-line); }
.conditions p { font-size: 14px; }
.condition-number { display: inline-grid; flex: none; place-items: center; width: 26px; height: 26px; font: 11px var(--mono); border: 1px solid var(--line); color: var(--muted); }
.note { display: flex; gap: 12px; margin-top: 20px; font-size: 12px; line-height: 1.65; color: var(--muted); }
.note-mark { font-size: 22px; line-height: 1; }
.how .section-heading { display: flex; align-items: baseline; gap: 40px; }
.how .section-heading h2 { margin-top: 0; }
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 31px 0 0; }
.steps li { padding-top: 20px; border-top: 1px solid var(--line); }
.step-number { display: block; font: 26px/1 var(--mono); color: var(--muted); margin-bottom: 27px; }
.steps h3 { font-size: 18px; font-weight: 500; }
.steps p { margin-top: 13px; font-size: 14px; line-height: 1.6; color: var(--muted); }
.answers { min-width: 0; }
.answers details { border-top: 1px solid var(--line); padding: 19px 0; }
.answers details:last-child { padding-bottom: 0; }
.answers summary { position: relative; padding-right: 28px; font-size: 17px; line-height: 1.4; list-style: none; cursor: pointer; }
.answers summary::-webkit-details-marker { display: none; }
.answers summary::after { content: '+'; position: absolute; right: 1px; top: 0; font-family: var(--mono); }
.answers details[open] summary::after { content: '−'; }
.answers p { margin-top: 13px; font-size: 14px; line-height: 1.65; color: var(--muted); }
.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 30px; padding: 30px 36px; }
.sources h2 { font-size: 24px; margin: 10px 0 12px; letter-spacing: -.02em; }
.sources>p:last-child { max-width: 680px; font-size: 12px; color: var(--muted); }
.footer-stamp { display: flex; align-items: center; border: 1px solid var(--line); min-width: 260px; }
.stamp-mark { align-self: stretch; display: grid; place-items: center; padding: 10px 16px; border-right: 1px solid var(--line); font: 19px var(--mono); }
.footer-stamp p { padding: 10px 14px; font: 10px/1.6 var(--mono); color: var(--muted); }
.outside-caption { max-width: 1344px; margin: 11px auto 0; color: var(--muted); font-size: 9px; text-align: right; }
/* Blue ink on tracing paper: the drawing and data read as one archived sheet. */
body.tracing { --ink: #214d7b; --muted: #496783; --line: #8c9fab; --soft-line: #bec7c9; --ground: #e5e5da; --surface: #f5f3e9; padding: 35px; }
.tracing .sheet { border-color: #647f96; background-image: linear-gradient(#214d7b08 1px, transparent 1px), linear-gradient(90deg, #214d7b08 1px, transparent 1px); background-size: 24px 24px; box-shadow: 8px 8px 0 #d6d9ce; }
.tracing .site-header { padding: 23px 38px; border-bottom: 3px double var(--ink); }
.tracing .hero { grid-template-columns: 1.2fr .8fr; padding: 0 38px; border-bottom: 0; }
.tracing .hero-copy { grid-column: 1; padding: 46px 44px 40px 0; }
.tracing .hero h1 { font-size: clamp(43px, 4.6vw, 65px); line-height: 1.04; font-weight: 500; }
.tracing .hero .eyebrow { font-style: italic; }
.tracing .hero .intro { max-width: 620px; }
.tracing .scope { max-width: 510px; }
.tracing .drawing { grid-column: 2; margin: 34px 0; border: 0; background: transparent; }
.tracing .drawing-topline { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-inline: 0; }
.tracing .drawing-stage { border-left: 1px solid var(--soft-line); border-right: 1px solid var(--soft-line); }
.tracing .drawing-stage img { padding: 10px; }
.tracing .drawing-titleblock { border: 1px solid var(--line); }
.tracing .eligibility { margin: 0 38px; padding: 28px 0; border-top: 3px double var(--ink); border-bottom: 3px double var(--ink); grid-template-columns: .65fr 1.35fr; gap: 40px; }
.tracing .eligibility h2 { font-size: 34px; }
.tracing .conditions li { gap: 18px; padding: 12px 0; }
.tracing .conditions li:first-child { border-top: 0; padding-top: 0; }
.tracing .condition-number { border: 0; border-right: 1px solid var(--line); width: 29px; }
.tracing .calculation { padding: 40px 38px; border-bottom: 3px double var(--ink); }
.tracing .calculation-grid { grid-template-columns: 1.13fr 1fr; }
.tracing .data-form { padding: 27px 30px; }
.tracing .fields { display: block; padding-top: 6px; }
.tracing .field { display: grid; grid-template-columns: 1.25fr 1fr; gap: 18px; align-items: center; padding: 17px 0; border-bottom: 1px solid var(--soft-line); }
.tracing .field-label { min-height: 0; margin-bottom: 0; }
.tracing .field input { border: 0; border-bottom: 1px solid var(--ink); padding: 5px 0 8px; font-size: 20px; }
.tracing .calculate-button { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.tracing .result { background: #214d7b; color: #f4f1e6; --muted: #d3e0e8; --line: #92adbf; }
.tracing .result h3 { font-size: 24px; }
.tracing .amount { font-size: clamp(39px, 4.3vw, 62px); }
.tracing .how { padding: 38px; }
.tracing .steps { gap: 0; border: 1px solid var(--line); }
.tracing .steps li { border-top: 0; padding: 24px; }
.tracing .steps li+li { border-left: 1px solid var(--line); }
.tracing .step-number { font-style: italic; font-size: 31px; margin-bottom: 20px; }
.tracing .faq { padding: 38px; grid-template-columns: .65fr 1.35fr; }
.tracing .site-footer { padding: 30px 38px; }
/* Bureau sheet: a panoramic elevation above a ruled calculation schedule. */
body.bureau { --ink: #1c4671; --muted: #48647e; --line: #8ba3b8; --soft-line: #b1c0ca; --ground: #e1e8eb; --surface: #f0f3f0; padding: 22px; }
.bureau .sheet { max-width: 1396px; }
.bureau .site-header, .bureau .hero { background: #183f6d; color: #eff2ec; --muted: #c9d9e5; --line: #81a2bd; --soft-line: #527a9e; }
.bureau .site-header { padding: 19px 34px; }
.bureau .hero { display: block; padding: 35px 34px 28px; border-bottom: 3px double var(--ink); }
.bureau .hero-copy { padding: 0; display: grid; grid-template-columns: 1.6fr 1fr; gap: 60px; }
.bureau .hero h1 { margin-top: 18px; font-size: clamp(39px, 4.15vw, 60px); line-height: 1.06; letter-spacing: -.025em; }
.bureau .intro { margin-top: 1px; font-size: 17px; }
.bureau .scope { margin-top: 20px; font-size: 12px; }
.bureau .text-link { margin-top: 13px; }
.bureau .free { margin-top: 15px; padding-top: 12px; font-size: 10px; }
.bureau .drawing { margin: 30px 0 0; border-color: var(--line); }
.bureau .drawing-topline { padding: 10px 16px; }
.bureau .drawing-stage img { width: 100%; height: 322px; object-fit: contain; }
.bureau .drawing-titleblock { grid-template-columns: 2.5fr 1fr .65fr .65fr; background: #183f6d; }
.bureau .drawing-titleblock>div { padding: 10px 18px; }
.bureau .drawing-titleblock>div+div { border-left: 1px solid var(--line); }
.bureau .drawing-titleblock>div:nth-child(n+3) { border-top: 0; }
.bureau .drawing-titleblock strong { font: 14px/1.4 var(--mono); }
.bureau .section { padding: 35px 34px; }
.bureau .calculation-heading { margin-bottom: 25px; }
.bureau .calculation-grid { display: block; border: 1px solid var(--ink); }
.bureau .data-form { padding: 25px 30px; }
.bureau .fields { grid-template-columns: 1.1fr 1.2fr .8fr 1fr; gap: 28px; }
.bureau .field-label { min-height: 38px; }
.bureau .field input { border: 0; border-bottom: 1px solid var(--ink); padding: 10px 0; }
.bureau .calculate-button { width: 330px; background: #1c4671; border-color: #1c4671; color: var(--surface); display: inline-flex; vertical-align: middle; margin-top: 24px; }
.bureau .form-helper { display: inline-block; vertical-align: middle; max-width: 480px; margin: 24px 0 0 30px; }
.bureau .result { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; border-left: 0; border-top: 1px solid var(--ink); padding: 27px 30px; background: #d7e3ec; }
.bureau .result h3 { margin-top: 13px; font-size: 23px; }
.bureau .amount { margin-top: 10px; font-size: 68px; }
.bureau .result-detail { margin-top: 16px; }
.bureau .result-secondary { align-self: center; }
.bureau .dimension-rule { margin-top: 0; margin-bottom: 21px; }
.bureau .formula { max-width: 440px; font-size: 15px; }
.bureau .eligibility { grid-template-columns: .65fr 1.35fr; gap: 60px; }
.bureau .conditions li { padding: 14px 0; }
.bureau .how { display: grid; grid-template-columns: .65fr 1.35fr; gap: 60px; }
.bureau .how .section-heading { display: block; }
.bureau .how .section-heading h2 { margin-top: 15px; }
.bureau .steps { display: block; margin-top: 0; }
.bureau .steps li { display: flex; gap: 24px; padding: 18px 0; }
.bureau .steps li:first-child { padding-top: 15px; }
.bureau .step-number { margin-top: 2px; margin-bottom: 0; font-size: 21px; }
.bureau .steps p { margin-top: 7px; }
.bureau .faq { grid-template-columns: .65fr 1.35fr; gap: 60px; }
.bureau .site-footer { padding: 26px 34px; border-top: 3px double var(--ink); background: #e3eaf0; }
@media (max-width: 1100px) and (min-width: 761px) {
  body, body.tracing, body.bureau { padding: 20px; }
  .site-header { padding-inline: 24px; gap: 18px; }.site-header nav { gap: 18px; }.mock-label { padding-left: 16px; }
  .hero-copy { padding: 36px 28px; }.hero h1 { font-size: 48px; }.intro { font-size: 17px; }
  .drawing { margin: 24px 0 24px 24px; }.drawing-titleblock strong { font-size: 12px; }
  .section { padding: 32px 26px; }.data-form, .result { padding: 24px; }.fields { gap: 20px 15px; }.field-label { min-height: 57px; }
  .field input { font-size: 17px; }.amount { font-size: 46px; }.eligibility, .faq { gap: 35px; }
  .tracing .hero { padding-inline: 28px; }.tracing .hero-copy { padding-right: 28px; }.tracing .hero h1 { font-size: 47px; }
  .tracing .eligibility { margin-inline: 28px; }.tracing .section { padding-inline: 28px; }.tracing .eligibility { padding-inline: 0; }
  .tracing .field { grid-template-columns: 1fr; gap: 12px; padding: 13px 0; }.tracing .field-label { min-height: 0; }.tracing .data-form { padding: 24px; }.tracing .amount { font-size: 46px; }
  .bureau .hero-copy { gap: 30px; }.bureau .hero h1 { font-size: 43px; }.bureau .hero .intro { font-size: 16px; }
  .bureau .fields { grid-template-columns: 1fr 1fr; }.bureau .field-label { min-height: 36px; }.bureau .form-helper { max-width: 280px; }
  .bureau .result { gap: 30px; }.bureau .amount { font-size: 52px; }
}
@media (max-width: 760px) {
  body, body.tracing, body.bureau { padding: 12px; font-size: 15px; }
  .sheet { width: 100%; }.sheet::before, .sheet::after { font-size: 16px; top: -9px; }
  .site-header, .tracing .site-header, .bureau .site-header { display: flex; flex-wrap: wrap; padding: 16px; gap: 16px 10px; }
  .wordmark { font-size: 17px; gap: 6px; }.logo-mark { width: 27px; height: 27px; font-size: 18px; margin-right: 2px; }
  .mock-label { margin-left: auto; max-width: 122px; padding-left: 10px; font-size: 8px; }
  .site-header nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; margin-left: 0; border-top: 1px solid var(--soft-line); padding-top: 9px; }
  .site-header nav a { font-size: 11px; padding: 2px 0; }
  .hero, .tracing .hero, .bureau .hero { display: flex; flex-direction: column; padding: 0; }
  .hero-copy, .tracing .hero-copy, .bureau .hero-copy { display: block; padding: 29px 20px 26px; }
  .hero h1, .tracing .hero h1, .bureau .hero h1 { font-size: 37px; line-height: 1.075; letter-spacing: -.045em; margin-top: 20px; }
  .eyebrow { font-size: 10px; letter-spacing: .02em; }
  .intro, .tracing .intro, .bureau .intro { font-size: 16px; line-height: 1.55; margin-top: 23px; }
  .scope, .bureau .scope { font-size: 12px; line-height: 1.65; margin-top: 22px; }
  .text-link, .bureau .text-link { gap: 10px; font-size: 12px; margin-top: 18px; }
  .free, .bureau .free { font-size: 10px; margin-top: 22px; padding-top: 15px; }
  .drawing, .tracing .drawing, .bureau .drawing { margin: 0 20px 27px; }
  .drawing-topline, .tracing .drawing-topline, .bureau .drawing-topline { padding: 11px 12px; font-size: 8px; gap: 8px; }
  .drawing-stage img { max-height: 355px; object-fit: contain; }
  .drawing-titleblock, .bureau .drawing-titleblock { grid-template-columns: 1fr 1fr; }
  .drawing-titleblock>div, .bureau .drawing-titleblock>div { padding: 9px 11px; }
  .drawing-titleblock>div>span { font-size: 8px; }
  .drawing-titleblock strong, .bureau .drawing-titleblock strong { font: 11px/1.5 Arial, sans-serif; }
  .bureau .drawing-titleblock>div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .bureau .drawing-titleblock>div:nth-child(3) { border-left: 0; }
  .bureau .drawing-stage { padding: 10px 0; }
  .bureau .drawing-stage img { height: auto; min-height: 150px; object-fit: contain; }
  .section, .tracing .section, .bureau .section { padding: 28px 20px; }
  h2, .tracing .eligibility h2 { font-size: 30px; letter-spacing: -.04em; }
  .section-heading h2, .calculation-heading h2 { margin-top: 12px; }
  .section-description { margin-top: 15px; font-size: 12px; }
  .calculation-heading { align-items: start; margin-bottom: 23px; gap: 16px; }
  .calculation-heading h2 { max-width: 235px; }.sheet-code { display: none; }
  .calculation-grid, .tracing .calculation-grid, .bureau .calculation-grid { display: block; }
  .data-form, .tracing .data-form, .bureau .data-form { padding: 19px 16px; }
  .subheading { font-size: 8px; gap: 14px; }
  .fields, .bureau .fields { display: grid; grid-template-columns: 1fr; gap: 19px; padding-top: 20px; }
  .field-label, .bureau .field-label { min-height: 0; margin-bottom: 9px; font-size: 12px; line-height: 1.45; }
  .field-index { font-size: 9px; }
  .field input { font-size: 20px; padding: 11px 12px; }
  .calculate-button, .bureau .calculate-button { display: flex; width: 100%; margin-top: 22px; padding: 15px 12px; font-size: 13px; gap: 10px; }
  .form-helper, .bureau .form-helper { display: block; max-width: none; margin: 16px 0 0; font-size: 11px; }
  .result, .bureau .result { display: block; border-left: 0; border-top: 1px solid var(--line); padding: 23px 16px; }
  .result .eyebrow { font-size: 8px; }
  .result h3, .tracing .result h3, .bureau .result h3 { font-size: 21px; line-height: 1.3; margin-top: 17px; }
  .amount, .tracing .amount, .bureau .amount { font-size: 42px; letter-spacing: -.055em; margin-top: 16px; }
  .result-detail { font-size: 11px; margin-top: 17px; }.result-dates { font-size: 11px; }
  .dimension-rule, .bureau .dimension-rule { margin: 22px 0 18px; }
  .formula, .bureau .formula { font-size: 12px; line-height: 1.8; }.formula-label { font-size: 9px; }
  .result-note { font-size: 11px; margin-top: 17px; padding-top: 14px; }
  .eligibility, .faq, .bureau .eligibility, .bureau .faq, .tracing .faq { display: block; }
  .eligibility-body, .answers { margin-top: 24px; }
  .conditions li { gap: 13px; padding: 15px 0; }.conditions p { font-size: 13px; }
  .condition-number { width: 24px; height: 24px; font-size: 10px; }.note { margin-top: 18px; font-size: 11px; }
  .how .section-heading, .bureau .how .section-heading { display: block; }.how .section-heading h2 { margin-top: 12px; }
  .steps { display: block; margin-top: 25px; }.steps li { display: flex; gap: 18px; padding: 20px 0; }.steps li:last-child { padding-bottom: 0; }
  .step-number { margin: 2px 0 0; font-size: 21px; }.steps h3 { font-size: 17px; }.steps p { font-size: 13px; margin-top: 9px; }
  .answers details { padding: 18px 0; }.answers summary { font-size: 16px; line-height: 1.4; }.answers p { font-size: 13px; }
  .site-footer, .tracing .site-footer, .bureau .site-footer { display: block; padding: 26px 20px; }
  .sources h2 { font-size: 24px; margin-top: 12px; }.sources>p:last-child { font-size: 11px; line-height: 1.8; }
  .footer-stamp { min-width: 0; margin-top: 24px; width: fit-content; }.footer-stamp p { font-size: 9px; }
  .outside-caption { font-size: 8px; text-align: left; }
  .tracing .sheet { box-shadow: 4px 4px 0 #d6d9ce; }
  .tracing .hero { border-bottom: 0; }.tracing .drawing { border: 0; }.tracing .drawing-stage img { max-height: 365px; padding: 5px; }
  .tracing .eligibility { margin: 0 20px; padding: 25px 0; }
  .tracing .conditions li:first-child { padding-top: 15px; border-top: 1px solid var(--line); }
  .tracing .conditions li { padding: 14px 0; gap: 12px; }
  .tracing .field { display: block; padding: 16px 0; }.tracing .field-label { margin-bottom: 11px; }
  .tracing .field input { padding: 7px 0; }.tracing .fields { padding-top: 0; }.tracing .field:last-child { border-bottom: 0; }
  .tracing .calculate-button { margin-top: 10px; }.tracing .steps { border: 0; margin-top: 25px; }
  .tracing .steps li { padding: 20px 0; border-top: 1px solid var(--line); }.tracing .steps li+li { border-left: 0; }
  .tracing .step-number { font-size: 24px; margin-bottom: 0; }
  .bureau .hero h1 { font-size: 36px; }.bureau .hero .drawing { margin-top: 1px; }
  .bureau .how { display: block; }.bureau .steps { margin-top: 25px; }.bureau .steps li { gap: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
/* Interactive controls share the selected project-sheet design. */
[hidden] { display: none !important; }
form { margin: 0; }
select { font: inherit; border-radius: 0; }
.field select { width: 100%; color: inherit; background: var(--surface); border: 1px solid var(--line); padding: 12px 8px; min-height: 48px; }
.field small { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; }
.gate { border: 0; border-top: 1px solid var(--soft-line); margin: 0; padding: 18px 0; min-width: 0; }
.gate legend { padding: 0 0 8px; font-size: 16px; }
.gate p { font-size: 13px; color: var(--muted); }
.choices { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.choices label { display: flex; gap: 9px; align-items: center; justify-content: center; min-height: 48px; min-width: 106px; padding: 8px 16px; border: 1px solid var(--soft-line); cursor: pointer; }
.choices label:has(input:checked) { background: #dce6ed; border-color: var(--ink); }
.choices label:hover { border-color: var(--ink); }
.choices input { width: 18px; height: 18px; margin: 0; flex: none; accent-color: var(--ink); }
.coverage { margin-bottom: 24px; color: var(--muted); font-size: 14px; }
.error { border-left: 3px solid #9a3028; padding: 12px; margin-top: 20px; color: #84251d; }
.bureau .amount { font-size: clamp(28px, 5vw, 68px); white-space: normal; overflow-wrap: anywhere; }
.result dl { font-size: 13px; margin: 20px 0 0; }
.result dt { margin-top: 9px; color: var(--muted); }
.result dd { margin: 0; }
.calculate-button { cursor: pointer; }
.calculate-button:disabled { opacity: .55; cursor: default; }

.sources > p:not(.eyebrow) { max-width: 900px; margin-top: 10px; font-size: 12px; color: var(--muted); }
/* A useful delay diagram replaces the prototype's repeated drafting metadata. */
.bureau .hero { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 56px; padding: 64px 56px; }
.bureau .hero-copy { display: block; grid-column: auto; }
.bureau .hero h1 { max-width: 650px; margin-top: 20px; font-size: clamp(46px, 5vw, 72px); line-height: 1.06; letter-spacing: -.035em; }
.bureau .hero .intro { max-width: 450px; margin-top: 24px; font-size: 19px; line-height: 1.6; }
.hero-action { display: inline-flex; align-items: center; gap: 32px; min-height: 52px; margin-top: 28px; padding: 13px 20px; background: #f0f3f0; color: #183f6d; font-weight: 600; text-decoration: none; }
.hero-action:hover { background: #fff; }
.hero-scope { max-width: 400px; margin-top: 16px; font-size: 13px; color: var(--muted); }
.delay-drawing { min-width: 0; }
.delay-drawing > img { display: block; width: 100%; height: 230px; object-fit: contain; }
.drawing-caption { margin: 12px 0 22px; text-align: center; font-size: 14px; }
.delay-timeline { display: grid; grid-template-columns: 1fr 1fr 1fr; min-width: 0; }
.delay-timeline > div { position: relative; padding-top: 18px; border-top: 1px solid #9cb7ca; }
.delay-timeline > div::before { content: ''; position: absolute; top: -5px; left: 0; height: 9px; width: 1px; background: currentColor; }
.delay-timeline strong { display: block; font-size: 13px; font-weight: 400; }
.delay-timeline span { display: block; margin-top: 6px; font-size: 12px; line-height: 1.5; color: var(--muted); }
.delay-timeline .timeline-span { border-top: 3px solid #eff2ec; padding-top: 16px; }
.delay-timeline .timeline-span::before { display: none; }
.delay-timeline .timeline-end { text-align: right; }
.delay-timeline .timeline-end::before { left: auto; right: 0; }
.timeline-note { margin-top: 18px; text-align: center; color: var(--muted); font-size: 12px; }
.bureau .eligibility { display: block; }
.eligibility .section-heading { display: block; max-width: 800px; margin: 0 auto 40px; }
.eligibility .section-heading h2 { margin-top: 12px; }
.eligibility .section-description { margin-top: 12px; max-width: 560px; font-size: 14px; }
.question-content { display: grid; gap: 36px; width: 100%; max-width: 800px; margin-inline: auto; }
.bureau .question-screen { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 64px 48px; scroll-snap-align: start; scroll-margin-top: 0; }
.question-screen .section-heading { width: 100%; }
.question-screen h2 { font-size: clamp(32px, 3.5vw, 50px); line-height: 1.12; }
.screen-next { display: block; width: 100%; max-width: 800px; margin: 32px auto 0; padding-block: 12px; font-size: 15px; text-underline-offset: 5px; }
.screen-next span { margin-left: 12px; }
.bureau .hero, .calculation, .how, .faq, .site-footer { min-height: 100svh; scroll-snap-align: start; scroll-margin-top: 0; }
.calculation, .how { display: flex; flex-direction: column; justify-content: center; }
.faq { align-content: center; }
.bureau .calculation { padding: 64px 48px; }
.calculation-heading, .coverage, .bureau .calculation-grid { width: 100%; max-width: 1040px; margin-inline: auto; }
.calculation-heading h2, .how h2, .faq h2 { font-size: clamp(34px, 3.5vw, 50px); line-height: 1.12; }
.bureau .calculation-heading { margin-bottom: 20px; }
.coverage { font-size: 15px; line-height: 1.6; margin-bottom: 32px; }
.bureau .data-form { padding: 36px; }
.bureau .fields { grid-template-columns: 1fr 1fr; gap: 28px 36px; padding-top: 28px; }
.bureau .field-label { min-height: 24px; margin-bottom: 10px; font-size: 16px; line-height: 1.5; }
.bureau .field input, .field select { min-height: 56px; padding: 12px; border: 1px solid var(--line); background: #f8faf7; font-size: 20px; }
.bureau .field small { font-size: 14px; line-height: 1.5; }
.bureau .calculate-button { min-height: 56px; margin-top: 32px; font-size: 16px; }
.bureau .form-helper { display: block; max-width: 620px; margin: 20px 0 0; font-size: 14px; }
.bureau .result { padding: 36px; gap: 40px; }
.result-detail, .result-dates, .result dl, .result-note { font-size: 14px; line-height: 1.6; }
.bureau .how { display: grid; grid-template-columns: .8fr 1.2fr; align-content: center; gap: 64px; padding: 64px 56px; }
.bureau .steps li { padding: 24px 0; gap: 24px; }
.bureau .steps h3 { font-size: 22px; line-height: 1.3; }
.bureau .steps p, .answers p { font-size: 16px; line-height: 1.65; }
.bureau .faq { padding: 64px 56px; gap: 64px; }
.answers summary { font-size: 20px; line-height: 1.4; }
.answers details { padding: 24px 0; }
.bureau .site-footer { grid-template-columns: 1fr; align-content: center; gap: 32px; padding: 64px 56px; }
.sources { width: 100%; max-width: 820px; margin-inline: auto; }
.sources h2 { font-size: clamp(32px, 3vw, 44px); line-height: 1.15; margin: 16px 0 24px; }
.sources > p:not(.eyebrow) { max-width: 820px; font-size: 15px; line-height: 1.75; margin-top: 16px; }
.footer-stamp { align-self: start; justify-self: center; min-width: 0; margin-top: 0; }
.footer-stamp p { font-size: 11px; }
.gate { padding: 16px 0 0; }
.gate legend { font-size: 24px; line-height: 1.35; padding-right: 16px; letter-spacing: -.015em; }
.gate > p { font-size: 17px; line-height: 1.6; max-width: 680px; }
.gate-help { margin-top: 12px; font-size: 15px; color: var(--muted); }
.gate-help summary { cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.gate-help p { margin-top: 10px; font-size: 14px; line-height: 1.55; }
.eligibility-note { grid-column: 1 / -1; max-width: 780px; font-size: 14px; }
.form-helper, .bureau .form-helper, .field small { font-size: 13px; }
.sources > p:not(.eyebrow) { font-size: 14px; }
.bureau .result .formula { max-width: none; }
.scroll-reveal { transition: opacity 420ms ease-out, transform 420ms ease-out; }
.reveal-pending { opacity: 0; transform: translateY(18px); }
.reveal-pending:focus-within { opacity: 1; transform: none; transition: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  .scroll-reveal { transition: none; }
  .reveal-pending { opacity: 1; transform: none; }
}
@media print {
  html { scroll-snap-type: none; }
  .bureau .hero, .question-screen, .calculation, .how, .faq, .site-footer { min-height: 0; }
  .screen-next { display: none; }
  .reveal-pending { opacity: 1; transform: none; }
}
@media (max-width: 760px) {
  .bureau .hero { display: flex; flex-direction: column; justify-content: center; gap: 28px; padding: 40px 24px; }
  .bureau .hero-copy { padding: 0; }
  .bureau .hero h1 { font-size: clamp(34px, 9.5vw, 46px); margin-top: 16px; }
  .bureau .hero .intro { margin-top: 16px; font-size: 16px; }
  .hero-action { display: flex; justify-content: space-between; gap: 12px; width: 100%; margin-top: 20px; padding: 12px; min-height: 48px; font-size: 15px; }
  .hero-scope { margin-top: 12px; font-size: 12px; }
  .delay-drawing { width: 100%; margin-top: 0; }
  .delay-drawing > img { height: 125px; }
  .drawing-caption { margin: 0 0 16px; font-size: 12px; }
  .delay-timeline strong { font-size: 11px; }
  .delay-timeline span { font-size: 10px; }
  .timeline-note { margin-top: 12px; font-size: 11px; }
  .eligibility .section-heading { display: block; margin-bottom: 24px; }
  .eligibility .section-heading h2 { margin-top: 12px; }
  .eligibility .section-description { margin-top: 16px; }
  .bureau .question-screen { padding: 40px 24px; }
  .question-content { gap: 28px; }
  .gate { margin-bottom: 0; padding-top: 12px; }
  .gate legend { font-size: 20px; }
  .gate > p { font-size: 16px; }
  .gate-help { font-size: 13px; }
  .choices { margin-top: 16px; gap: 8px; }
  .choices label { min-width: 0; padding: 8px 10px; gap: 6px; font-size: 14px; }
  .bureau .calculation, .bureau .how, .bureau .faq, .bureau .site-footer { padding: 40px 24px; }
  .bureau .data-form, .bureau .result { padding: 24px 20px; }
  .bureau .fields { grid-template-columns: 1fr; gap: 24px; }
  .bureau .field-label { min-height: 0; }
  .bureau .calculate-button { font-size: 15px; padding-inline: 12px; }
  .bureau .result { display: block; }
  .bureau .result-secondary { margin-top: 32px; }
  .bureau .amount { font-size: clamp(30px, 8.5vw, 40px); }
  .bureau .how { display: flex; gap: 32px; }
  .bureau .steps { margin-top: 0; }
  .bureau .steps h3 { font-size: 20px; }
  .bureau .steps p, .answers p { font-size: 15px; }
  .bureau .faq { display: flex; flex-direction: column; justify-content: center; gap: 28px; }
  .answers { margin-top: 0; }
  .answers summary { font-size: 18px; }
  .sources > p:not(.eyebrow) { font-size: 14px; overflow-wrap: anywhere; }
  .footer-stamp { margin-top: 0; }
}
/* Keep navigation in the opening screen rather than a separate snap stop. */
.bureau .site-header { position: absolute; inset: 0 0 auto; z-index: 2; }
.bureau .hero { padding-top: 120px; padding-bottom: 80px; }
@media (max-width: 760px) {
  .bureau .hero { padding-top: 152px; padding-bottom: 48px; }
}
@media (max-width: 360px) {
  .bureau .question-screen, .bureau .calculation, .bureau .how, .bureau .faq, .bureau .site-footer { padding-inline: 20px; }
  .bureau .data-form, .bureau .result { padding-inline: 16px; }
  .choices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .choices label { padding-inline: 4px; gap: 4px; font-size: 12px; white-space: nowrap; }
  .choices input { width: 16px; height: 16px; }
}

@media print {
  .bureau .site-header { position: static; }
  .bureau .question-screen { min-height: 0; }
  .bureau .hero { padding: 40px; }
}

/* Analytics stays optional and separate from the calculation. */
.analytics-notice { position: fixed; z-index: 10; bottom: 20px; right: 20px; width: min(440px, calc(100% - 40px)); padding: 20px; background: #f0f3ef; color: #194674; border: 1px solid #91a6b8; box-shadow: 0 4px 24px #12325224; font-size: 14px; line-height: 1.5; }
.analytics-notice p { margin: 0 0 14px; }
.analytics-notice div { display: flex; flex-wrap: wrap; gap: 12px; }
.analytics-notice button, #analytics-settings { font: inherit; color: inherit; border: 1px solid currentColor; background: transparent; padding: 10px 14px; min-height: 44px; cursor: pointer; }
#analytics-info { font-size: 14px; line-height: 1.6; margin-top: 24px; }
#analytics-info summary { cursor: pointer; }
#analytics-info p { margin-block: 12px; }
.analytics-notice[hidden], #analytics-settings[hidden] { display: none; }
@media (max-width: 480px) { .analytics-notice { bottom: 12px; right: 12px; width: calc(100% - 24px); padding: 16px; } }
@media print { .analytics-notice, #analytics-settings { display: none; } }