:root {
  color-scheme: light;
  --paper: #f8f7f1;
  --paper-deep: #eeeee4;
  --ink: #182b26;
  --muted: #57655e;
  --green: #174c43;
  --green-soft: #e0e9df;
  --line: #d6dbd1;
  --white: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, pre:focus-visible { outline: 3px solid #b5662e; outline-offset: 4px; }
::selection { background: #c8dcc8; color: var(--ink); }
.wrap { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.project-banner { background: var(--green); color: #f2f5ec; padding: 9px 40px; display: flex; justify-content: center; gap: 20px; font-size: .72rem; letter-spacing: .03em; }
.project-banner span { color: #c2d5c8; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 28px; padding-block: 25px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: .97rem; font-weight: 700; line-height: 1.3; }
.wordmark small { display: block; color: var(--muted); font-size: .69rem; font-weight: 400; margin-top: 3px; }
.logo-mark { width: 42px; height: 42px; display: grid; place-items: center; color: var(--paper); background: var(--green); border-radius: 50%; font-size: 1.5rem; letter-spacing: -.08em; padding-right: 3px; font-weight: 650; }
nav { display: flex; align-items: center; gap: 30px; font-size: .78rem; font-weight: 550; }
nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }
.nav-cta { border: 1px solid var(--line); border-radius: 4px; padding: 10px 14px; }
.nav-cta span { margin-left: 12px; }
.hero { display: grid; grid-template-columns: 1.22fr .88fr; gap: 75px; align-items: center; padding-block: 82px 72px; }
.eyebrow { font-size: .69rem; letter-spacing: .15em; text-transform: uppercase; font-weight: 700; color: var(--green); margin: 0 0 18px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.9rem, 4.9vw, 4.25rem); line-height: 1.045; font-weight: 560; letter-spacing: -.055em; margin-bottom: 26px; max-width: 720px; }
h1 em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; color: var(--green); }
.hero-intro { color: var(--muted); font-size: 1rem; line-height: 1.8; max-width: 550px; margin-bottom: 28px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 24px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; padding: 13px 19px; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: .8rem; min-height: 48px; transition: background .15s, transform .15s; border: 1px solid transparent; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button-dark { background: var(--green); color: var(--white); }
.button-dark:hover:not(:disabled) { background: #0c3931; }
.button-outline { border-color: #a5b4a7; background: transparent; color: var(--green); }
.button-outline:hover:not(:disabled) { background: var(--green-soft); }
.text-link { font-size: .8rem; font-weight: 600; text-decoration-thickness: 1px; }
.text-link span { display: inline-block; padding-left: 8px; }
.microcopy { font-size: .7rem; color: var(--muted); margin: 14px 0 0; }
.hero-diagram { padding: 29px; border: 1px solid #d4dbcd; border-radius: 7px; background: linear-gradient(140deg, #e6eddf, #f1f2e8); box-shadow: 0 16px 34px -26px #23453455; transform: rotate(1deg); }
.diagram-kicker { font-size: .68rem; color: var(--green); margin-bottom: 24px; letter-spacing: .03em; }
.source-tags { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.source-tags span { text-align: center; padding: 12px 8px; background: #f8faf3; border: 1px solid #cbd5c5; border-radius: 3px; font-size: .75rem; }
.diagram-connector { display: flex; justify-content: center; align-items: center; gap: 14px; color: #78937e; padding: 12px; }
.diagram-connector span { height: 1px; background: #c0d0bb; width: 25%; }
.question-card { background: var(--white); border: 1px solid #ccd7c7; border-radius: 4px; padding: 21px; }
.mini-label { font-size: .64rem; text-transform: uppercase; font-weight: 700; letter-spacing: .12em; color: var(--muted); }
.question-card p { font-size: 1.25rem; font-weight: 550; letter-spacing: -.03em; line-height: 1.4; margin: 12px 0 0; }
.diagram-output { display: flex; gap: 17px; align-items: flex-start; margin: 25px 0 23px; }
.diagram-output p { margin: 0; color: var(--green); font-size: .85rem; line-height: 1.8; }
.outline-check { height: 29px; width: 29px; border: 1px solid #779178; display: grid; place-items: center; border-radius: 50%; font-size: .8rem; margin-top: 3px; }
.diagram-note { display: block; font-size: .61rem; color: var(--muted); border-top: 1px solid #cbd6c6; padding-top: 14px; }
.disclosure { padding: 20px 24px; border: 1px solid var(--line); border-left: 3px solid #8ba88b; background: #f0f1e9; }
.disclosure p { font-size: .73rem; color: var(--muted); line-height: 1.8; margin: 0; }
.disclosure strong { color: var(--ink); font-weight: 650; }
.section { padding-block: 85px; }
.section-heading { max-width: 690px; margin-bottom: 36px; }
h2 { font-size: clamp(2rem, 3.2vw, 2.75rem); line-height: 1.15; letter-spacing: -.045em; font-weight: 550; margin-bottom: 20px; }
.section-heading > p:not(.eyebrow), .section-heading > div + p { color: var(--muted); font-size: .9rem; line-height: 1.8; max-width: 610px; }
.decision-row { display: grid; grid-template-columns: 50px 1fr 156px; gap: 25px; border-top: 1px solid var(--line); padding: 26px 0; align-items: start; }
.decision-row:last-child { border-bottom: 1px solid var(--line); }
.row-number { color: #768e7a; font-family: Georgia, serif; font-size: 1.5rem; line-height: 1.4; }
h3 { font-size: 1.02rem; letter-spacing: -.015em; line-height: 1.4; margin-bottom: 8px; font-weight: 600; }
.decision-row p { color: var(--muted); max-width: 720px; font-size: .84rem; margin-bottom: 0; line-height: 1.8; }
.route-tag { font-size: .69rem; padding: 6px 11px; border: 1px solid var(--line); border-radius: 30px; text-align: center; margin-top: 3px; }
.editorial-note { font-size: .76rem; color: var(--muted); margin: 21px 0 0 75px; max-width: 850px; }
.checklist-section { background: var(--green); color: #f8f7f0; padding-block: 76px; }
.checklist-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 85px; }
.checklist-section .eyebrow { color: #b6ceb6; }
.checklist-section .section-heading > p:not(.eyebrow) { color: #d2ddd2; max-width: 350px; margin-bottom: 26px; }
.question-list { margin: 0; padding: 0; list-style: none; counter-reset: questions; }
.question-list li { border-top: 1px solid #497367; position: relative; padding: 20px 0 19px 39px; counter-increment: questions; }
.question-list li:first-child { padding-top: 0; border-top: 0; }
.question-list li::before { content: "0" counter(questions); position: absolute; left: 0; color: #b6ceb6; font-size: .67rem; top: 23px; }
.question-list li:first-child::before { top: 3px; }
.question-list h3 { font-size: .95rem; }
.question-list p { margin: 0; color: #d2ddd2; font-size: .79rem; line-height: 1.75; }
.evidence-heading { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 85px; align-items: end; }
.evidence-heading h2 { margin-bottom: 0; }
.evidence-heading > div + p { margin-bottom: 0; font-size: .85rem; }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.evidence-card { padding: 29px; background: #fcfcf7; display: flex; flex-direction: column; }
.evidence-card + .evidence-card { border-left: 1px solid var(--line); }
.case-label { display: block; font-size: .64rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--green); margin-bottom: 20px; }
.evidence-card h3 { font-size: 1.55rem; font-weight: 550; letter-spacing: -.04em; }
.evidence-card p { font-size: .81rem; color: var(--muted); line-height: 1.8; }
.evidence-card .case-question { border-top: 1px solid var(--line); padding-top: 17px; margin-top: 4px; font-size: .76rem; }
.evidence-card a { margin-top: auto; padding-top: 6px; align-self: flex-start; }
.evidence-note { font-size: .73rem; color: var(--muted); margin: 19px 0 29px; max-width: 1040px; line-height: 1.8; }
.provider-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 19px 23px; background: var(--green-soft); border-radius: 4px; }
.provider-link p { margin: 0; font-size: .83rem; font-weight: 550; }
.brief-section { background: var(--paper-deep); padding-block: 78px; border-block: 1px solid var(--line); }
.privacy-note { display: flex; align-items: flex-start; gap: 12px; max-width: 860px; margin-bottom: 30px; color: var(--muted); }
.privacy-note span { color: var(--green); font-size: 1.35rem; line-height: 1.2; }
.privacy-note p { font-size: .74rem; line-height: 1.8; margin: 0; }
.privacy-note strong { font-weight: 650; color: var(--ink); }
.builder-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 32px; align-items: start; }
.brief-form { background: var(--paper); border: 1px solid var(--line); padding: 29px; border-radius: 5px; }
.brief-form fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.brief-form > fieldset > legend { font-weight: 650; font-size: 1rem; margin-bottom: 23px; }
.brief-form label { display: block; font-size: .75rem; font-weight: 600; margin-bottom: 7px; }
.brief-form label span { color: var(--muted); font-weight: 400; }
.brief-form input:not([type="checkbox"]), .brief-form select, .brief-form textarea { background: #fffefa; border: 1px solid #bac5b8; color: var(--ink); width: 100%; max-width: 100%; border-radius: 3px; font-size: .79rem; padding: 11px 12px; margin-bottom: 22px; min-height: 44px; }
.brief-form textarea { resize: vertical; line-height: 1.7; }
.brief-form input::placeholder, .brief-form textarea::placeholder { color: #747f76; opacity: 1; }
.brief-form .channel-fields { margin-bottom: 23px; }
.channel-fields legend { font-size: .75rem; font-weight: 600; margin-bottom: 9px; }
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; }
.checkbox-grid label { display: flex; align-items: center; gap: 7px; font-weight: 400; min-height: 37px; margin: 0; font-size: .74rem; cursor: pointer; }
.checkbox-grid input { width: 17px; height: 17px; accent-color: var(--green); flex-shrink: 0; }
.form-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.reset-button { background: transparent; border: 0; border-bottom: 1px solid #7e9480; color: var(--muted); padding: 4px 0; font-size: .74rem; }
.preview-panel { background: #fffefa; border: 1px solid #b8c6b5; border-radius: 5px; padding: 27px; box-shadow: 0 12px 36px -30px #2e5339; position: sticky; top: 24px; }
.preview-heading { display: flex; gap: 14px; justify-content: space-between; align-items: center; margin-bottom: 21px; }
.preview-heading h3 { font-size: 1.23rem; margin: 5px 0 0; }
.completion { color: var(--green); font-size: .63rem; padding: 5px 8px; background: var(--green-soft); border-radius: 20px; white-space: nowrap; }
#brief-preview { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: .72rem; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.8; max-height: 590px; overflow-y: auto; color: #415148; border-block: 1px solid #dce1d5; padding: 19px 0; margin: 0 0 23px; scrollbar-width: thin; }
.preview-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.preview-actions .button { font-size: .72rem; padding: 11px 13px; gap: 12px; }
.brief-status { font-size: .72rem; color: var(--green); margin: 12px 0 0; min-height: 23px; }
.preview-footnote { color: var(--muted); font-size: .66rem; margin: 10px 0 0; line-height: 1.7; }
.manual-copy { margin-top: 15px; }
.manual-copy label { font-size: .75rem; display: block; margin-bottom: 7px; font-weight: 600; }
.manual-copy textarea { width: 100%; padding: 10px; font-size: .75rem; border: 1px solid #90a28d; border-radius: 3px; resize: vertical; background: var(--paper); color: var(--ink); }
.manual-copy p, .noscript-note { font-size: .76rem; }
.next-step { display: flex; justify-content: space-between; align-items: center; gap: 55px; }
.next-step p:not(.eyebrow) { max-width: 630px; font-size: .88rem; color: var(--muted); }
.next-step .button { flex-shrink: 0; }
.sources-section { border-top: 1px solid var(--line); padding-block: 32px 37px; }
.sources-section h2 { font-size: .88rem; letter-spacing: 0; margin-bottom: 12px; }
.sources-section p, .sources-section li { font-size: .72rem; line-height: 1.8; color: var(--muted); }
.sources-section ul { margin: 15px 0; padding-left: 18px; columns: 2; column-gap: 40px; }
.sources-section li { break-inside: avoid; margin-bottom: 4px; }
.site-footer { border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; padding-block: 30px; gap: 30px; }
.site-footer p { font-size: .75rem; color: var(--muted); margin: 0; }
.site-footer > a:last-child { font-size: .75rem; }
.skip-link { position: absolute; top: -100px; left: 16px; background: var(--green); color: white; padding: 10px 18px; z-index: 10; }
.skip-link:focus { top: 16px; }
[hidden] { display: none !important; }
@media (min-width: 1500px) { .hero { padding-block: 100px 90px; } }
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 56px); }
  .hero { gap: 40px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-diagram { padding: 22px; }
  nav { gap: 18px; }
  .checklist-layout, .evidence-heading { gap: 45px; }
  .evidence-card { padding: 22px; }
  .builder-layout { gap: 22px; }
  .brief-form, .preview-panel { padding: 22px; }
  .form-pair { grid-template-columns: 1fr; gap: 0; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .next-step { gap: 35px; }
  .next-step .button { max-width: 260px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .project-banner { padding: 8px 18px; font-size: .64rem; flex-wrap: wrap; gap: 2px 13px; }
  .site-header { padding-block: 18px; gap: 16px; align-items: flex-start; }
  .wordmark { font-size: .85rem; }
  .logo-mark { width: 36px; height: 36px; font-size: 1.3rem; }
  nav { font-size: .7rem; }
  nav > a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 8px 10px; }
  .nav-cta span { margin-left: 5px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-block: 49px 44px; }
  h1 { font-size: clamp(2.8rem, 10vw, 4rem); max-width: 640px; }
  .hero-intro { font-size: .94rem; }
  .hero-actions { flex-direction: row; align-items: center; gap: 17px; }
  .hero-diagram { max-width: 520px; width: 100%; transform: none; padding: 24px; }
  .diagram-output { margin-bottom: 16px; }
  .diagram-output p br { display: none; }
  .diagram-output p br::after { content: " "; }
  .disclosure { padding: 16px 18px; }
  .section { padding-block: 55px; }
  .section-heading { margin-bottom: 27px; }
  h2 { font-size: 2.1rem; }
  .decision-row { grid-template-columns: 30px 1fr; gap: 14px; padding-block: 23px; }
  .route-tag { grid-column: 2; justify-self: start; margin-top: 0; }
  .editorial-note { margin-left: 44px; }
  .checklist-layout, .evidence-heading, .builder-layout { grid-template-columns: 1fr; }
  .checklist-layout { gap: 15px; }
  .checklist-section, .brief-section { padding-block: 51px; }
  .question-list li:first-child { border-top: 1px solid #497367; padding-top: 20px; }
  .question-list li:first-child::before { top: 23px; }
  .evidence-heading { gap: 20px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-card { padding: 25px; }
  .evidence-card + .evidence-card { border-left: 0; border-top: 1px solid var(--line); }
  .case-label { margin-bottom: 13px; }
  .provider-link { flex-direction: column; align-items: flex-start; gap: 9px; padding: 20px; }
  .checkbox-grid, .form-pair { grid-template-columns: 1fr 1fr; gap: 8px 13px; }
  .preview-panel { position: static; }
  #brief-preview { max-height: 620px; }
  .next-step { flex-direction: column; align-items: flex-start; gap: 18px; }
  .next-step .button { max-width: none; }
  .sources-section ul { columns: 1; }
  .site-footer { flex-wrap: wrap; gap: 24px; }
  .site-footer p { display: none; }
}
@media (max-width: 420px) {
  .wordmark { gap: 8px; font-size: .77rem; }
  .wordmark small { font-size: .62rem; }
  .logo-mark { width: 32px; height: 32px; }
  .nav-cta { font-size: .64rem; }
  .nav-cta span { display: none; }
  .hero-actions .button { width: 100%; }
  .checkbox-grid, .form-pair { grid-template-columns: 1fr; gap: 0; }
  .preview-heading { flex-wrap: wrap; }
  .preview-actions .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover:not(:disabled) { transform: none; }
}

/* Distinct buyer resources, with all evidence available in initial HTML. */
.detail-hero {padding-block:55px 40px;max-width:1180px}.detail-hero h1 {max-width:980px;font-size:clamp(2.6rem,4.4vw,3.7rem)}
.lead {max-width:800px;color:var(--muted);font-size:1.08rem;line-height:1.75}.breadcrumb {display:flex;gap:12px;flex-wrap:wrap;font-size:.76rem;color:var(--muted);margin-top:28px}
.article-wrap {max-width:1040px}.content-section {padding-block:42px;border-bottom:1px solid var(--line)}.content-section p,.reading-list {font-size:.95rem;line-height:1.85;color:var(--muted)}.content-section h2 {font-size:2rem}.content-section h3 {font-size:1.08rem;margin-top:28px}.content-section p strong,.reading-list strong {color:var(--ink)}
.reading-list {padding-left:24px}.reading-list li {margin:16px 0;padding-left:7px}.tool-panel {margin-block:32px;padding:32px;border:1px solid #b8c6b5;border-radius:6px;background:#f0f1e8}.tool-panel fieldset {border:0;padding:0;margin:20px 0}.tool-panel legend {font-size:1rem;font-weight:650;margin-bottom:18px}.tool-panel label {display:block;font-size:.85rem;font-weight:600;margin:10px 0 8px}.tool-panel input,.tool-panel textarea {width:100%;padding:12px;border:1px solid #9eaf9e;border-radius:3px;background:#fffefa;color:var(--ink);font:inherit;min-height:46px}.tool-panel textarea {font-family:ui-monospace,monospace;font-size:.86rem;line-height:1.6;resize:vertical}.tool-privacy {display:block;padding:14px 0;font-size:.83rem!important}.tool-field-grid {display:grid;grid-template-columns:1fr 1fr;gap:4px 24px}.table-scroll {overflow-x:auto;margin-block:24px}.data-table {border-collapse:collapse;width:100%;font-size:.86rem;min-width:570px}.data-table th,.data-table td {text-align:left;border-bottom:1px solid #c5d0c1;padding:13px 12px;vertical-align:top}.data-table th {background:#e4eadf;font-weight:650}.metric-list {margin:24px 0}.metric-list>div {display:flex;justify-content:space-between;gap:24px;padding:14px 0;border-bottom:1px solid #c5d0c1}.metric-list dt {font-size:.9rem}.metric-list dd {font-weight:650;margin:0;text-align:right}.formula-text {white-space:pre-wrap;overflow-wrap:anywhere;font-size:.84rem;background:#e8eddf;padding:22px;line-height:1.9}.evidence-rows article {padding:30px 0;border-top:1px solid var(--line)}.evidence-rows h2 {font-size:1.8rem}.resource-list {list-style:none;padding:0;margin:24px 0}.resource-list li {display:grid;grid-template-columns:1fr 2fr auto;gap:26px;align-items:center;padding:25px 0;border-top:1px solid var(--line)}.resource-list h3 {margin:0}.resource-list p {margin:0;color:var(--muted);font-size:.86rem}.resource-list a {font-weight:600;font-size:.8rem}.visually-hidden {position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.next-resource {border-bottom:0}
@media(max-width:760px){.detail-hero{padding-block:40px 28px}.detail-hero h1{font-size:2.7rem}.lead{font-size:1rem}.content-section{padding-block:32px}.content-section h2{font-size:1.8rem}.tool-panel{padding:20px;margin-block:24px}.tool-field-grid{grid-template-columns:1fr}.metric-list>div{display:block}.metric-list dd{text-align:left;margin-top:5px}.resource-list li{grid-template-columns:1fr;gap:10px}.formula-text{padding:16px;font-size:.76rem}.detail-body nav>a:not(.nav-cta){display:none}.content-section .preview-actions .button{width:100%}}