:root {
  --ink:#172e32;
  --paper:#f6f5ef;
  --green:#166f54;
  --gold:#b56b24;
  --muted:#576766;
  --line:#d6dcd4;
  --error:#a32e24;
  font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--paper);
}
* {
  box-sizing:border-box;
}
body {
  margin:0;
  font-size:16px;
  line-height:1.6;
}
a {
  color:inherit;
  text-decoration:none;
}
button,input,select {
  font:inherit;
}
button {
  cursor:pointer;
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible {
  outline:3px solid var(--gold);
  outline-offset:4px;
}
button:disabled {
  opacity:.5;
  cursor:not-allowed;
}
[hidden] {
  display:none!important;
}
h1,h2,h3,p {
  margin-top:0;
}
h1,h2,h3 {
  line-height:1.12;
  letter-spacing:-.04em;
}
h1 {
  font-size:clamp(2.3rem,4.2vw,3.8rem);
  font-weight:650;
}
h2 {
  font-size:clamp(1.8rem,3vw,2.65rem);
  font-weight:600;
}
h3 {
  font-size:1.4rem;
  font-weight:620;
}
p {
  color:var(--muted);
}
.container {
  width:min(1180px,calc(100% - 80px));
  margin-inline:auto;
}
.skip {
  position:absolute;
  z-index:10;
  top:-80px;
  left:16px;
  background:var(--ink);
  color:white;
  padding:12px;
}
.skip:focus {
  top:10px;
}
.preview-bar {
  padding:7px 20px;
  text-align:center;
  background:var(--ink);
  color:#e6ece7;
  font-size:.75rem;
  letter-spacing:.11em;
}
.preview-bar span {
  letter-spacing:0;
  color:#c6d2cb;
  margin-left:20px;
}
.site-header {
  border-bottom:1px solid var(--line);
}
.header-inner {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  min-height:98px;
}
.wordmark {
  display:inline-block;
  position:relative;
  font-size:1.36rem;
  font-weight:850;
  letter-spacing:-.045em;
  line-height:.92;
  padding-right:16px;
}
.wordmark span {
  display:block;
  font-size:.71em;
  letter-spacing:.025em;
  margin-top:5px;
}
.wordmark i {
  position:absolute;
  right:0;
  bottom:2px;
  font-style:normal;
  color:var(--green);
  font-size:2.2rem;
}
.site-header nav {
  display:flex;
  gap:36px;
}
.site-header nav a {
  font-size:.94rem;
  padding:12px 0;
  border-bottom:2px solid transparent;
}
.site-header nav a:hover,.site-header nav a[aria-current] {
  color:var(--green);
  border-bottom-color:var(--green);
}
.unit-mark {
  font-size:.8rem;
}
.unit-mark b {
  color:var(--green);
  margin:0 8px;
}
.home-hero {
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:70px;
  align-items:center;
  padding-block:66px 72px;
}
.eyebrow {
  font-size:.75rem;
  letter-spacing:.13em;
  font-weight:750;
  color:var(--green);
  margin-bottom:21px;
}
.green-dot {
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  display:inline-block;
  vertical-align:2px;
  margin-right:7px;
}
.home-hero h1 {
  font-size:clamp(3.15rem,5.8vw,5.05rem);
  line-height:1.035;
  margin-bottom:25px;
  letter-spacing:-.06em;
}
.home-hero h1 em {
  font-family:Georgia,'Times New Roman',serif;
  font-weight:400;
  color:var(--green);
}
.hero-copy>p {
  max-width:490px;
  font-size:1.075rem;
  line-height:1.75;
  margin-bottom:28px;
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:26px;
  flex-wrap:wrap;
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:25px;
  border:1px solid var(--line);
  padding:13px 20px;
  border-radius:4px;
  background:white;
  font-size:.94rem;
  font-weight:650;
  min-height:48px;
}
.primary {
  background:var(--green);
  border-color:var(--green);
  color:white;
}
.button:hover {
  box-shadow:0 4px 12px #172e3212;
}
.primary:hover {
  background:#105940;
}
.subtle-link {
  font-size:.9rem;
  font-weight:600;
  display:inline-flex;
  gap:17px;
  align-items:center;
}
.subtle-link:hover,.text-link:hover {
  text-decoration:underline;
  text-underline-offset:5px;
}
.hero-note {
  font-size:.8rem;
  color:var(--muted);
  margin-top:22px;
}
.hero-ledger {
  background:var(--ink);
  padding:29px 32px 25px;
  color:var(--paper);
  border-radius:3px;
  box-shadow:12px 12px 0 #e0e5dc;
}
.ledger-header {
  display:flex;
  justify-content:space-between;
  font-size:.75rem;
  letter-spacing:.1em;
  color:#cbd8cf;
  border-bottom:1px solid #ffffff30;
  padding-bottom:23px;
}
.ledger-header>span:last-child {
  font-size:1.2rem;
  line-height:1;
}
.ledger-title {
  font-size:2.3rem;
  font-family:Georgia,serif;
  line-height:1.18;
  margin-block:25px;
}
.ledger-distance {
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:10px;
}
.ledger-number {
  font-size:4.8rem;
  letter-spacing:-.065em;
  font-weight:550;
  line-height:1;
}
.ledger-distance>span {
  font-size:.75rem;
  letter-spacing:.03em;
  max-width:120px;
  line-height:1.5;
  margin-bottom:7px;
  color:#c8d5cc;
}
.distance-bar {
  display:flex;
  height:10px;
  gap:4px;
  margin-top:24px;
}
.distance-bar span {
  width:80%;
  background:#c0d8b3;
}
.distance-bar i {
  flex:1;
  background:repeating-linear-gradient(135deg,transparent,transparent 3px,#839184 3px,#839184 4px);
}
.distance-key {
  display:flex;
  justify-content:space-between;
  font-size:.78rem;
  margin-top:9px;
  color:#d1ded5;
}
.distance-key i {
  display:inline-block;
  width:7px;
  height:7px;
  background:#c0d8b3;
  margin-right:6px;
}
.distance-key span:last-child i {
  background:#839184;
}
.ledger-total {
  border-top:1px solid #ffffff30;
  padding-top:20px;
  margin-top:30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.ledger-total div>span {
  font-size:.85rem;
  color:#d1ded5;
  display:block;
}
.ledger-total strong {
  font-size:2.15rem;
  font-weight:550;
  letter-spacing:-.05em;
}
.ledger-total strong span {
  font-size:.95rem;
  letter-spacing:0;
  color:#c8d5cc;
  font-weight:400;
}
.ledger-total>a {
  border:1px solid #ffffff50;
  border-radius:50%;
  width:43px;
  height:43px;
  display:grid;
  place-items:center;
  font-size:1.3rem;
}
.hero-ledger p {
  font-size:.75rem;
  line-height:1.6;
  color:#c8d5cc;
  margin:16px 0 0;
}
.principle-strip {
  border-block:1px solid var(--line);
}
.principle-strip>.container {
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-block:20px;
  font-size:.875rem;
}
.principle-strip b {
  font-size:.75rem;
  color:var(--green);
  font-weight:500;
  margin-right:10px;
}
.section {
  padding-block:67px;
}
.section-heading {
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:29px;
}
.section-heading .eyebrow {
  margin-bottom:13px;
}
.section-heading h2 {
  margin:0;
}
.section-heading>a {
  flex-shrink:0;
  padding-bottom:4px;
}
.tool-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.tool-card {
  border:1px solid var(--line);
  border-radius:8px;
  padding:22px;
  background:white;
  display:flex;
  flex-direction:column;
  transition:border-color .18s,transform .18s;
}
.tool-card:hover {
  border-color:var(--green);
  transform:translateY(-3px);
}
.card-top {
  display:flex;
  align-items:center;
  gap:9px;
  justify-content:space-between;
  margin-bottom:35px;
}
.index {
  font-size:.77rem;
  font-family:ui-monospace,monospace;
  color:var(--muted);
}
.category {
  font-size:.75rem;
  color:var(--green);
}
.card-top>span:last-child {
  font-size:1.15rem;
}
.tool-card h3 {
  font-size:1.34rem;
  line-height:1.2;
  max-width:200px;
  margin-bottom:14px;
}
.tool-card p {
  font-size:.9rem;
  line-height:1.65;
  margin-bottom:27px;
}
.text-link {
  display:flex;
  gap:20px;
  align-items:center;
  font-weight:650;
  font-size:.88rem;
  color:var(--green);
}
.tool-card .text-link {
  margin-top:auto;
  justify-content:space-between;
}
.learning-section {
  background:#e9ece4;
  border-block:1px solid var(--line);
}
.article-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.article-card {
  border-top:2px solid var(--ink);
  padding:20px 0 8px;
  display:flex;
  flex-direction:column;
}
.article-meta {
  font-size:.78rem;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  color:var(--muted);
  margin-bottom:23px;
}
.article-meta>span:first-child {
  color:var(--green);
  font-weight:650;
}
.article-card h3 {
  font-family:Georgia,serif;
  font-weight:400;
  letter-spacing:-.025em;
  font-size:1.7rem;
  line-height:1.25;
  margin-bottom:15px;
}
.article-card p {
  font-size:.92rem;
  margin-bottom:23px;
}
.article-card .text-link {
  margin-top:auto;
}
.article-card:hover h3 {
  color:var(--green);
}
.editorial-band {
  display:grid;
  grid-template-columns:1.25fr 1fr;
  column-gap:90px;
  padding-block:66px;
}
.editorial-band>.eyebrow {
  grid-column:1/-1;
  margin-bottom:15px;
}
.editorial-band h2 {
  font-family:Georgia,serif;
  line-height:1.25;
  font-weight:400;
}
.editorial-band p {
  font-size:.95rem;
}
.site-footer {
  background:var(--ink);
  color:#f6f5ef;
  padding-block:43px 19px;
}
.footer-top {
  display:grid;
  grid-template-columns:1fr 1.2fr 1fr;
  gap:30px;
  align-items:start;
}
.site-footer .wordmark {
  justify-self:start;
}
.site-footer .wordmark i {
  color:#a8c9a1;
}
.footer-top p {
  font-size:.9rem;
  color:#c6d1cb;
  margin:0;
}
.footer-top nav {
  display:flex;
  flex-direction:column;
  align-items:end;
  gap:6px;
  font-size:.875rem;
}
.footer-top nav a:hover {
  text-decoration:underline;
}
.footer-bottom {
  border-top:1px solid #ffffff25;
  margin-top:33px;
  padding-top:17px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  font-size:.75rem;
  color:#bac8c0;
}
.breadcrumbs {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  font-size:.8rem;
  color:var(--muted);
  padding-block:24px;
}
.breadcrumbs a:hover {
  color:var(--green);
  text-decoration:underline;
}
.page-intro {
  padding-block:29px 30px;
  max-width:760px;
}
.page-intro h1 {
  margin-bottom:18px;
}
.page-intro>p {
  font-size:1.06rem;
  line-height:1.75;
}
.page-intro .eyebrow {
  margin-bottom:15px;
}
.page-bottom {
  padding-bottom:65px;
}
.hub-grid {
  grid-template-columns:repeat(2,1fr);
}
.hub-grid .tool-card {
  padding:30px;
}
.hub-grid .tool-card h3 {
  max-width:none;
  font-size:1.7rem;
}
.hub-grid .card-top {
  margin-bottom:25px;
}
.notice {
  padding:17px 20px;
  background:#e5ece3;
  border-left:3px solid var(--green);
  font-size:.91rem;
  line-height:1.7;
  color:var(--ink);
  margin:24px 0;
}
.notice p:last-child {
  margin:0;
}
.calc-layout {
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:28px;
  align-items:start;
  margin-top:6px;
}
.input-panel {
  padding:28px;
  border:1px solid var(--line);
  border-radius:8px;
  background:white;
}
.panel-heading {
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:8px;
}
.panel-heading h2 {
  font-size:1.4rem;
  margin:0;
}
.panel-heading span {
  font-size:.78rem;
  color:var(--muted);
}
.panel-subtitle {
  font-size:.875rem;
  margin-bottom:23px;
}
.fields {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:21px 18px;
}
label {
  font-size:.89rem;
  font-weight:600;
  display:block;
}
.input-wrap {
  display:flex;
  align-items:center;
  border:1px solid #acb9ad;
  border-radius:4px;
  background:white;
  margin-top:7px;
}
.input-wrap:focus-within {
  border-color:var(--green);
}
input[type=number] {
  min-width:0;
  width:100%;
  border:0;
  background:transparent;
  padding:10px 12px;
  color:var(--ink);
  font-size:1.05rem;
  border-radius:4px;
}
.input-wrap span {
  padding-right:12px;
  font-size:.8rem;
  color:var(--muted);
  white-space:nowrap;
}
input[aria-invalid=true] {
  outline:2px solid var(--error);
  outline-offset:0;
}
.field-help {
  display:block;
  font-size:.8rem;
  font-weight:400;
  color:var(--muted);
  line-height:1.5;
  margin-top:6px;
}
.field-error {
  color:var(--error);
  font-size:.8rem;
  margin-top:5px;
  display:block;
}
.basis {
  margin:23px 0 0;
  border:0;
  border-top:1px solid var(--line);
  padding:20px 0 0;
}
.basis legend {
  float:left;
  width:100%;
  font-weight:600;
  font-size:.875rem;
  margin-bottom:8px;
}
.basis select {
  width:100%;
  padding:10px;
  border:1px solid #acb9ad;
  border-radius:4px;
  color:var(--ink);
  background:white;
  font-size:.9rem;
}
.result-panel {
  background:var(--ink);
  color:white;
  padding:29px;
  border-radius:8px;
}
.result-panel h2 {
  font-size:1.4rem;
  font-weight:550;
}
.result-panel .eyebrow {
  color:#bed5b8;
  font-size:.75rem;
  margin-bottom:11px;
}
.result-feature {
  background:#ffffff0d;
  padding:20px;
  margin-block:18px;
}
.result-feature>span {
  display:block;
  font-size:.875rem;
  color:#d4dfd7;
}
.result-feature>strong {
  font-size:clamp(1.9rem,3vw,2.55rem);
  font-weight:550;
  letter-spacing:-.05em;
  overflow-wrap:anywhere;
  display:block;
  line-height:1.3;
  margin-top:6px;
  font-variant-numeric:tabular-nums;
}
.result-feature>small {
  display:block;
  font-size:.8rem;
  color:#d4dfd7;
  margin-top:5px;
}
.result-feature.cash {
  border-left:3px solid #e6ba76;
}
.result-row {
  display:flex;
  justify-content:space-between;
  gap:18px;
  font-size:.875rem;
  border-bottom:1px solid #ffffff22;
  padding:11px 0;
}
.result-row>span {
  color:#cedbd2;
}
.result-row strong {
  font-weight:600;
  text-align:right;
  font-variant-numeric:tabular-nums;
  overflow-wrap:anywhere;
  min-width:0;
}
.result-note {
  font-size:.875rem;
  color:#d4dfd7;
  margin-top:18px;
  margin-bottom:0;
}
.result-actions {
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:22px;
}
.result-actions .button {
  font-size:.875rem;
  padding:9px 12px;
  min-height:44px;
  gap:8px;
}
.result-actions .secondary {
  background:transparent;
  color:#f6f5ef;
  border-color:#ffffff50;
}
.error-summary {
  background:#fff0ea;
  color:#862c24;
  padding:16px;
  font-size:.9rem;
  margin-top:15px;
  border-radius:4px;
}
.reset {
  background:none;
  border:0;
  color:var(--green);
  padding:10px 0;
  font-size:.875rem;
  text-decoration:underline;
  text-underline-offset:4px;
  margin-top:17px;
  min-height:44px;
}
.method-section {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  padding-top:38px;
  margin-top:35px;
  border-top:1px solid var(--line);
}
.method-section h2 {
  font-size:1.45rem;
}
.method-section p,.method-section li {
  font-size:.91rem;
}
.formula {
  font-family:ui-monospace,SFMono-Regular,monospace;
  background:#e8ece3;
  padding:17px;
  font-size:.875rem;
  line-height:1.9;
  white-space:pre-line;
  overflow-wrap:anywhere;
  border-radius:4px;
}
.method-section ul {
  padding-left:21px;
  color:var(--muted);
}
.related {
  margin-top:35px;
  padding:24px;
  background:#e8ece3;
}
.related .eyebrow {
  margin-bottom:10px;
}
.related a {
  font-weight:650;
  color:var(--green);
}
.search-controls {
  display:flex;
  gap:14px;
  align-items:end;
  margin:0 0 28px;
}
.search-box {
  flex:1;
}
.search-box input {
  width:100%;
  padding:14px 16px;
  border:1px solid #a6b4a7;
  background:white;
  border-radius:4px;
  margin-top:7px;
  color:var(--ink);
  font-weight:400;
  font-size:1rem;
}
.search-controls select {
  padding:14px 38px 14px 13px;
  margin-top:7px;
  border:1px solid #a6b4a7;
  border-radius:4px;
  background:white;
  color:var(--ink);
  min-height:55px;
}
.search-count {
  font-size:.875rem;
  color:var(--muted);
  margin-bottom:26px;
}
.library-grid {
  row-gap:38px;
}
.empty-state {
  padding:50px 20px;
  text-align:center;
  background:#e7ece3;
  border-radius:8px;
}
.empty-state h2 {
  font-size:1.5rem;
}
.article-layout {
  display:grid;
  grid-template-columns:230px minmax(0,740px);
  gap:65px;
  max-width:1060px;
  margin:0 auto 65px;
}
.article-aside {
  border-top:1px solid var(--line);
  padding-top:22px;
  font-size:.875rem;
}
.article-aside .eyebrow {
  font-size:.75rem;
}
.article-aside nav {
  display:flex;
  flex-direction:column;
  gap:13px;
}
.article-aside a {
  color:var(--muted);
}
.article-aside a:hover {
  color:var(--green);
  text-decoration:underline;
}
.article-aside .related {
  padding:18px;
  margin-top:28px;
}
.article-body {
  font-size:1.06rem;
  line-height:1.83;
}
.article-body h2 {
  font-family:Georgia,serif;
  font-size:1.95rem;
  font-weight:400;
  line-height:1.3;
  margin:38px 0 17px;
}
.article-body section:first-child h2 {
  margin-top:0;
}
.article-body p,.article-body li {
  color:#3c5050;
}
.article-body li {
  margin:8px 0;
}
.article-body a {
  color:var(--green);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body .example {
  padding:24px;
  background:white;
  border:1px solid var(--line);
  border-left:3px solid var(--green);
  margin:26px 0;
}
.article-body .example h3 {
  font-family:inherit;
  font-size:1rem;
  letter-spacing:0;
}
.article-body .example p:last-child {
  margin:0;
}
.article-date {
  font-size:.81rem;
  color:var(--muted);
}
.article-intro {
  max-width:850px;
  padding-bottom:25px;
  margin-bottom:27px;
  border-bottom:1px solid var(--line);
}
.article-intro h1 {
  font-family:Georgia,serif;
  font-weight:400;
  line-height:1.14;
  font-size:clamp(2.5rem,4.7vw,4rem);
}
.article-intro .notice {
  margin-bottom:0;
}
.source-note {
  margin-top:35px;
  border-top:1px solid var(--line);
  padding-top:20px;
  font-size:.875rem;
}
.source-note h2 {
  font-family:inherit;
  font-size:1.2rem;
  letter-spacing:-.025em;
}
.about-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px 60px;
  margin-top:25px;
}
.about-grid h2 {
  font-family:Georgia,serif;
  font-weight:400;
  font-size:1.9rem;
}
.about-grid p {
  font-size:1rem;
}
.about-grid>section {
  border-top:1px solid var(--line);
  padding-top:25px;
}
.print-stamp {
  display:none;
}
.checklist {
  margin-top:20px;
  border-top:1px solid var(--line);
  padding-top:17px;
}
.checklist h3 {
  font-size:.95rem;
  letter-spacing:0;
}
.checklist ul {
  list-style:none;
  padding:0;
  margin-bottom:0;
  display:grid;
  gap:7px;
  font-size:.875rem;
  color:var(--muted);
}
.checklist li span {
  font-weight:600;
  color:var(--ink);
}
@media(max-width:1050px) {
  .home-hero {
    gap:35px;
  }
  .hero-ledger {
    padding:25px;
  }
  .tool-grid {
    grid-template-columns:1fr 1fr;
  }
  .tool-card h3 {
    max-width:none;
  }
  .article-layout {
    gap:35px;
    grid-template-columns:180px minmax(0,1fr);
  }
  .calc-layout {
    gap:20px;
  }
  .fields {
    grid-template-columns:1fr;
  }
  .hero-actions {
    gap:16px;
  }
  .input-panel,.result-panel {
    padding:23px;
  }
  .editorial-band {
    column-gap:40px;
  }
  .ledger-title {
    font-size:2rem;
  }
  .ledger-number {
    font-size:4.3rem;
  }
}
@media(max-width:760px) {
  .container {
    width:calc(100% - 40px);
  }
  .preview-bar span {
    display:none;
  }
  .header-inner {
    min-height:86px;
    gap:18px;
    padding-block:20px;
  }
  .site-header nav {
    gap:20px;
  }
  .site-header nav a {
    font-size:.875rem;
  }
  .unit-mark {
    display:none;
  }
  .wordmark {
    font-size:1.2rem;
  }
  .home-hero {
    grid-template-columns:1fr;
    padding-block:39px 45px;
    gap:35px;
  }
  .home-hero h1 {
    font-size:3.65rem;
  }
  .home-hero h1 br:last-child {
    display:none;
  }
  .home-hero h1 em {
    display:block;
  }
  .hero-copy>p {
    font-size:1rem;
    max-width:540px;
  }
  .home-hero .eyebrow {
    font-size:.75rem;
    margin-bottom:22px;
  }
  .hero-ledger {
    width:100%;
    max-width:540px;
    padding:26px;
    box-shadow:7px 7px 0 #e0e5dc;
  }
  .ledger-title {
    font-size:2.15rem;
  }
  .ledger-number {
    font-size:4.8rem;
  }
  .principle-strip>.container {
    flex-wrap:wrap;
    justify-content:flex-start;
    gap:10px 23px;
    padding-block:16px;
  }
  .principle-strip b {
    margin-right:6px;
  }
  .section {
    padding-block:42px;
  }
  .section-heading {
    align-items:start;
    flex-direction:column;
    gap:16px;
    margin-bottom:26px;
  }
  .section-heading h2 {
    font-size:2rem;
  }
  .tool-grid {
    gap:14px;
  }
  .tool-card {
    padding:20px;
  }
  .card-top {
    margin-bottom:25px;
  }
  .article-grid {
    grid-template-columns:1fr;
    gap:30px;
  }
  .article-card h3 {
    font-size:1.65rem;
  }
  .article-meta {
    margin-bottom:15px;
  }
  .article-card p {
    margin-bottom:17px;
  }
  .editorial-band {
    grid-template-columns:1fr;
    padding-block:42px;
  }
  .editorial-band h2 {
    font-size:2rem;
  }
  .footer-top {
    grid-template-columns:1fr 1fr;
    gap:25px;
  }
  .footer-top nav {
    grid-column:1/-1;
    flex-direction:row;
    align-items:center;
    flex-wrap:wrap;
    gap:24px;
  }
  .footer-bottom {
    flex-direction:column;
    gap:5px;
  }
  .calc-layout {
    grid-template-columns:1fr;
  }
  .fields {
    grid-template-columns:1fr 1fr;
  }
  .method-section {
    grid-template-columns:1fr;
    gap:18px;
    margin-top:28px;
    padding-top:28px;
  }
  .page-intro {
    padding-top:18px;
  }
  .page-intro h1 {
    font-size:2.5rem;
  }
  .page-intro>p {
    font-size:1rem;
  }
  .breadcrumbs {
    padding-block:18px;
    font-size:.8rem;
  }
  .article-layout {
    display:block;
  }
  .article-aside {
    margin-bottom:28px;
  }
  .article-aside nav {
    flex-direction:row;
    flex-wrap:wrap;
    gap:8px 18px;
  }
  .article-aside .related {
    display:none;
  }
  .article-body {
    font-size:1rem;
  }
  .article-body h2 {
    font-size:1.75rem;
  }
  .article-intro h1 {
    font-size:2.6rem;
  }
  .about-grid {
    grid-template-columns:1fr;
    gap:20px;
  }
  .search-controls {
    flex-direction:column;
    align-items:stretch;
  }
  .search-controls select {
    width:100%;
  }
  .result-feature>strong {
    font-size:2.6rem;
  }
  .hub-grid .tool-card {
    padding:24px;
  }
  .hub-grid .tool-card h3 {
    font-size:1.4rem;
  }
}
@media(max-width:460px) {
  .container {
    width:calc(100% - 36px);
  }
  .site-header nav {
    gap:13px;
  }
  .wordmark {
    font-size:1.06rem;
  }
  .header-inner {
    gap:12px;
  }
  .home-hero h1 {
    font-size:3.05rem;
  }
  .home-hero h1 br:last-child {
    display:initial;
  }
  .hero-actions {
    align-items:flex-start;
    gap:20px;
  }
  .hero-actions .button {
    font-size:.9rem;
  }
  .hero-note {
    font-size:.8rem;
  }
  .ledger-header {
    font-size:.75rem;
  }
  .ledger-distance>span {
    max-width:110px;
  }
  .distance-key {
    font-size:.75rem;
  }
  .tool-grid {
    grid-template-columns:1fr;
  }
  .tool-card h3 {
    font-size:1.5rem;
  }
  .card-top {
    margin-bottom:20px;
  }
  .tool-card p {
    margin-bottom:20px;
  }
  .fields {
    grid-template-columns:1fr;
  }
  .input-panel,.result-panel {
    padding:22px;
  }
  .page-intro h1 {
    font-size:2.25rem;
  }
  .article-intro h1 {
    font-size:2.4rem;
  }
  .article-body .example {
    padding:19px;
  }
  .footer-top {
    grid-template-columns:1fr;
  }
  .footer-top nav {
    gap:14px;
    font-size:.875rem;
  }
  .panel-heading {
    flex-wrap:wrap;
    gap:6px;
  }
  .result-row {
    gap:10px;
  }
  .button {
    gap:16px;
  }
  .article-body ul {
    padding-left:22px;
  }
}
@media(prefers-reduced-motion:reduce) {
  * {
    scroll-behavior:auto!important;
    transition:none!important;
  }
}
@media print {
  body {
    background:white;
    font-size:10pt;
  }
  .container {
    width:100%;
  }
  .preview-bar,.site-header,.site-footer,.breadcrumbs,.result-actions,.reset,.skip,.article-aside {
    display:none!important;
  }
  .page-intro {
    padding:0;
    max-width:none;
  }
  .page-intro h1 {
    font-size:24pt;
  }
  .calc-layout {
    display:block;
  }
  .input-panel,.result-panel {
    background:white;
    color:var(--ink);
    padding:15px;
    border:1px solid #aaa;
    margin-bottom:15px;
  }
  .fields {
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .result-feature {
    background:#eee;
  }
  .result-feature>span,.result-feature>small,.result-row>span,.result-note,.result-panel .eyebrow {
    color:var(--ink);
  }
  .result-feature>strong {
    font-size:22pt;
  }
  .result-row {
    border-bottom:1px solid #ccc;
  }
  .result-feature,.result-row,.fields>div {
    break-inside:avoid;
  }
  .method-section {
    display:block;
  }
  .method-section>div {
    break-inside:avoid;
  }
  .print-stamp {
    display:block;
    font-size:9pt;
    margin:15px 0;
  }
  .article-layout {
    display:block;
  }
  .related {
    break-inside:avoid;
  }
  .input-wrap {
    border:1px solid #bbb;
  }
  .basis select {
    appearance:none;
  }
  .notice {
    background:white;
  }
}
/* Compact, self-contained calculator printouts;
no export UI in the report. */ @media print {
  :root {
    font-size:12px;
  }
  body {
    line-height:1.45;
  }
  .page-intro {
    margin-bottom:14px;
  }
  .page-intro>p {
    margin-bottom:8px;
  }
  .page-intro .eyebrow {
    margin-bottom:8px;
  }
  .input-panel,.result-panel {
    padding:12px;
  }
  .panel-heading {
    margin-bottom:5px;
  }
  .panel-subtitle {
    margin-bottom:12px;
  }
  .fields {
    gap:9px 15px;
  }
  input[type=number] {
    padding:5px 8px;
  }
  .input-wrap {
    margin-top:3px;
  }
  .field-help {
    margin-top:3px;
  }
  .basis {
    padding-top:10px;
    margin-top:10px;
  }
  .basis select {
    padding:5px;
  }
  .result-feature {
    padding:10px;
    margin:10px 0;
  }
  .result-row {
    padding:6px 0;
  }
  .result-panel>p {
    display:none;
  }
  .result-panel h2 {
    margin-bottom:8px;
  }
  .result-note {
    margin-top:10px;
  }
  .method-section {
    padding-top:16px;
    margin-top:16px;
  }
  .method-section h2 {
    margin-top:16px;
  }
  .formula {
    padding:12px;
    line-height:1.6;
    white-space:pre-line;
  }
  .notice {
    padding:10px;
    margin:14px 0;
  }
  .checklist {
    margin-top:12px;
    padding-top:10px;
  }
  .checklist ul {
    gap:3px;
  }
  .related {
    margin-top:16px;
    padding:12px;
  }
}

/* Monetization surfaces and balanced, accessible consent controls. */
.footer-top nav {flex-wrap:wrap;max-width:540px;gap:14px 24px}
.footer-preferences,.text-button,.inline-button {font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.footer-preferences {text-align:left;font-size:.9rem}
.privacy-banner {position:fixed;z-index:100;bottom:20px;left:20px;right:20px;max-width:1160px;margin:auto;padding:24px;display:flex;align-items:center;gap:30px;border:1px solid var(--green,#326953);background:#f9f8f3;color:#172e32;box-shadow:0 12px 50px #172e3226;border-radius:6px}
.privacy-banner[hidden] {display:none}
.privacy-banner h2 {font-size:1.15rem;margin:0 0 8px;letter-spacing:-.015em}
.privacy-banner p {font-size:.9rem;line-height:1.5;max-width:650px;margin:0}
.privacy-actions {display:flex;flex-wrap:wrap;gap:12px;align-items:center;flex-shrink:0}
.privacy-actions .button {font-size:.88rem;padding:13px 18px;min-height:46px;border:1px solid #326953;justify-content:center;white-space:nowrap}
.privacy-actions .text-button {font-size:.85rem;min-height:44px}
.privacy-dialog {color:#172e32;background:#f9f8f3;border:1px solid #bbc8bd;border-radius:8px;padding:28px;width:min(600px,calc(100% - 32px));max-height:85dvh;overflow:auto}
.privacy-dialog::backdrop {background:#172e3273}
.privacy-dialog-header {display:flex;align-items:center;justify-content:space-between;gap:16px}
.privacy-dialog h2 {font-size:1.7rem;letter-spacing:-.025em;margin:0}
.privacy-dialog p {font-size:.95rem;line-height:1.6}
.icon-button {width:44px;height:44px;flex-shrink:0;border:1px solid #bdc7be;border-radius:50%;background:none;font-size:1.8rem;cursor:pointer;color:inherit}
.privacy-option {display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #d6dcd4;padding:18px 0}
.privacy-option h3 {font-size:1rem;margin:0 0 6px}
.privacy-option p {font-size:.87rem;margin:0}
.privacy-option input {width:24px;height:24px;accent-color:#326953;flex-shrink:0}
.privacy-badge {white-space:nowrap;font-size:.74rem;background:#e2eadd;padding:7px 10px;border-radius:20px}
.privacy-small {font-size:.83rem!important;color:#455854}
.visually-hidden {position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.policy-layout {display:grid;grid-template-columns:minmax(240px,1fr) minmax(0,2.4fr);gap:72px}
.policy-summary {align-self:start;background:#e8eddf;padding:28px;border-radius:4px;position:sticky;top:24px;overflow-wrap:anywhere}
.policy-summary h2 {font-size:1.35rem;margin-top:0}
.policy-summary h3 {margin-top:28px;font-size:1rem}
.policy-summary p {font-size:.93rem;line-height:1.6}
.policy-summary [data-privacy-current] {font-size:.8rem}
.policy-body {max-width:760px}
.policy-body section {margin-bottom:38px}
.policy-body h2 {font-size:1.55rem;letter-spacing:-.025em}
.policy-body p {font-size:1rem;line-height:1.8;overflow-wrap:anywhere}
.policy-body a,.policy-summary a {text-decoration:underline;text-underline-offset:3px}
.sponsor-opportunities {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-bottom:56px}
.opportunity-card {border:1px solid #d2d9cf;padding:30px;background:#faf9f5;border-radius:4px}
.opportunity-card h2 {font-size:1.45rem;line-height:1.2;letter-spacing:-.025em;margin:24px 0 16px}
.opportunity-card p {font-size:.96rem;line-height:1.65;color:#4b5b57}
.sponsor-slot {border:1px solid #c7d2c0;background:#edf0e7;padding:24px 28px;margin:36px 0;min-height:180px;border-radius:4px;contain:layout;overflow-wrap:anywhere}
.sponsor-label {text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;font-weight:700;color:#496350}
.sponsor-content {display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:12px}
.sponsor-content h2 {font-size:1.35rem;margin:0 0 8px}
.sponsor-content p {font-size:.94rem;line-height:1.6;margin:0;max-width:680px}
.sponsor-content .button {flex-shrink:0}
@media(max-width:1000px) {.privacy-banner {align-items:flex-start;flex-direction:column;gap:16px}.policy-layout {gap:32px}}
@media(max-width:700px) {
 .privacy-banner {bottom:10px;left:10px;right:10px;padding:18px;max-height:65dvh;overflow:auto;gap:14px}
 .privacy-actions {width:100%;gap:10px}
 .privacy-actions .button {flex:1;padding:12px 10px;font-size:.82rem}
 .privacy-actions .text-button {width:100%;text-align:center;min-height:30px}
 .privacy-dialog {padding:20px}.privacy-dialog h2 {font-size:1.4rem}.privacy-option {gap:15px}
 .policy-layout {grid-template-columns:1fr;gap:32px}.policy-summary {position:static;padding:24px}
 .sponsor-opportunities {grid-template-columns:1fr;gap:14px}.opportunity-card {padding:24px}.opportunity-card h2 {margin-top:16px}
 .sponsor-slot {padding:22px;min-height:240px}.sponsor-content {flex-direction:column;align-items:flex-start;gap:20px}
}
@media print {.privacy-banner,.privacy-dialog,.sponsor-slot,.footer-preferences {display:none!important}.policy-layout {display:block}.policy-summary {position:static}}