:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  color: #161a24;
  background: #f7f8fb;
  font-synthesis: none;
  --cards-indigo: #4f55f5;
  --cards-indigo-dark: #3d43d9;
  --cards-indigo-soft: #eef0ff;
  --cards-teal: #08a0a8;
  --cards-teal-dark: #087a81;
  --cards-teal-soft: #e7f8f8;
  --cards-amber: #ffad0a;
  --cards-amber-dark: #8a5b00;
  --cards-amber-soft: #fff6dd;
  --cards-red: #ff4438;
  --cards-red-dark: #bd3529;
  --cards-red-soft: #fff0ed;
  --cards-slate: #6d7f9b;
  --cards-slate-dark: #52657f;
  --cards-slate-soft: #edf1f6;
  --cards-canvas: #f7f8fb;
  --cards-ink: #161a24;
  --cards-border: #dfe3eb;
  --ink: var(--cards-ink);
  --muted: var(--cards-slate-dark);
  --paper: #ffffff;
  --line: var(--cards-border);
  --signal: var(--cards-indigo);
  --signal-dark: var(--cards-indigo-dark);
  --signal-soft: var(--cards-indigo-soft);
  --warm: var(--cards-amber);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--cards-canvas); color: var(--ink); font-size: 1rem; line-height: 1.5; text-rendering: optimizeLegibility; }
a { color: inherit; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--ink); color: white; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.94); }
.site-header__inner { min-height: 4.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 700; letter-spacing: 0; font-size: 1.25rem; }
.brand-mark { width: 2.15rem; height: 2.15rem; object-fit: contain; }
.utility-nav { display: flex; align-items: center; gap: 1rem; font-size: .92rem; }
.utility-nav a { text-decoration: none; }
.utility-nav a:hover { text-decoration: underline; text-underline-offset: .25rem; }
.button { display: inline-flex; min-height: 2.75rem; align-items: center; justify-content: center; border: 1px solid var(--cards-indigo); border-radius: .45rem; padding: .65rem 1rem; background: var(--cards-indigo); color: white; text-decoration: none; font-weight: 700; box-shadow: 0 2px 6px rgba(79,85,245,.2); }
.button:hover { border-color: var(--cards-indigo-dark); background: var(--cards-indigo-dark); }
.button:focus-visible { outline: 3px solid rgba(79,85,245,.28); outline-offset: 2px; }
.button--secondary { border-color: #cfd2ff; background: white; color: var(--cards-indigo); box-shadow: none; }
.button--secondary:hover { border-color: var(--cards-indigo); background: var(--cards-indigo-soft); }
.main { min-height: calc(100vh - 12rem); }
.hero { padding: clamp(3rem, 8vw, 6.5rem) 0 2.5rem; }
.eyebrow { margin: 0 0 .8rem; color: var(--signal-dark); font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
h1, h2, h3 { font-weight: 700; letter-spacing: -.025em; text-wrap: balance; }
h1 { max-width: 15ch; margin: 0; font-size: clamp(2.25rem, 5vw, 3rem); line-height: 1.1; }
.lede { max-width: 720px; margin: 1.35rem 0 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); line-height: 1.65; }
.search-box { max-width: 780px; margin-top: 2rem; position: relative; }
.search-box input { width: 100%; min-height: 3.6rem; border: 1px solid #a7a49c; border-radius: .45rem; background: white; padding: .85rem 1rem .85rem 3rem; color: var(--ink); font-size: 1.05rem; box-shadow: 0 10px 28px rgba(35,35,30,.07); }
.search-box input:focus { outline: 3px solid rgba(79,85,245,.25); border-color: var(--signal); }
.search-icon { position: absolute; left: 1rem; top: 1.08rem; color: var(--signal); font-size: 1.15rem; }
.search-results { display: none; position: absolute; z-index: 20; top: calc(100% + .4rem); width: 100%; max-height: 26rem; overflow: auto; border: 1px solid var(--line); border-radius: .45rem; background: white; box-shadow: 0 18px 40px rgba(30,32,28,.16); }
.search-results[data-open="true"] { display: block; }
.search-result { display: block; padding: 1rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.search-result:last-child { border-bottom: 0; }
.search-result:hover, .search-result:focus { background: var(--signal-soft); outline: none; }
.search-result strong { display: block; }
.search-result span { display: block; margin-top: .25rem; color: var(--muted); font-size: .9rem; line-height: 1.45; }
.section { padding: 2.5rem 0 4rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-heading h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.category-card { min-height: 11rem; padding: 1.35rem; border: 1px solid var(--line); border-radius: .45rem; background: var(--paper); text-decoration: none; transition: transform .15s ease, border-color .15s ease; }
.category-card:hover { transform: translateY(-2px); border-color: var(--signal); }
.category-card h3 { margin: 0; font-size: 1.2rem; }
.category-card p { color: var(--muted); line-height: 1.55; }
.category-card span { color: var(--signal-dark); font-size: .86rem; font-weight: 700; }
.article-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.article-list li { border-bottom: 1px solid var(--line); }
.article-list a { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1.2rem .25rem; text-decoration: none; }
.article-list a:hover h3 { color: var(--signal-dark); text-decoration: underline; text-underline-offset: .2rem; }
.article-list h3 { margin: 0; font-size: 1.05rem; }
.article-list p { margin: .35rem 0 0; color: var(--muted); line-height: 1.5; }
.article-list time { color: var(--muted); font-size: .82rem; white-space: nowrap; }
.support-callout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; margin: 1rem 0 5rem; padding: clamp(1.5rem, 5vw, 3rem); border-radius: .5rem; background: var(--signal-soft); }
.support-callout h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.2rem); }
.support-callout p { max-width: 650px; margin: .7rem 0 0; color: var(--cards-indigo-dark); line-height: 1.6; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; padding: 1.5rem 0 0; color: var(--muted); font-size: .86rem; }
.breadcrumbs a { text-underline-offset: .2rem; }
.article { display: grid; grid-template-columns: minmax(0, 760px) minmax(190px, 1fr); gap: clamp(2rem, 7vw, 7rem); padding: 2.8rem 0 6rem; }
.article__meta { order: 2; align-self: start; position: sticky; top: 1.5rem; padding-top: .5rem; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.article__meta strong { display: block; color: var(--ink); }
.article__body h1 { max-width: none; font-size: clamp(2.25rem, 5vw, 3rem); }
.article__summary { margin: 1.2rem 0 2.5rem; color: var(--muted); font-size: 1.18rem; line-height: 1.65; }
.article__body h2 { margin: 2.6rem 0 .8rem; font-size: 1.75rem; }
.article__body h3 { margin: 2rem 0 .6rem; font-size: 1.25rem; }
.article__body p, .article__body li { line-height: 1.75; }
.article__body ul, .article__body ol { padding-left: 1.4rem; }
.article__body li + li { margin-top: .5rem; }
.back-link { display: inline-block; margin-top: 2.5rem; color: var(--signal-dark); font-weight: 700; text-underline-offset: .2rem; }
.site-footer { border-top: 1px solid var(--line); background: var(--paper); }
.site-footer__inner { min-height: 7rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: var(--muted); font-size: .88rem; }
.site-footer nav { display: flex; gap: 1rem; }

.marketing-hero { padding: clamp(4rem, 9vw, 8rem) 0; }
.marketing-hero__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); align-items: end; gap: clamp(2rem, 7vw, 7rem); }
.marketing-hero h1 { max-width: 11ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; margin-top: 2rem; }
.text-link { color: var(--signal-dark); font-weight: 700; text-underline-offset: .25rem; }
.hero-proof { padding: 2rem; border: 1px solid #cfd2ff; border-radius: .65rem; background: var(--paper); box-shadow: .55rem .55rem 0 var(--warm); }
.hero-proof h2 { margin: 0; font-size: 1.7rem; }
.hero-proof p:not(.eyebrow) { color: var(--muted); line-height: 1.6; }
.hero-proof a { color: var(--signal-dark); font-weight: 700; text-underline-offset: .2rem; }

.calculator-intro { padding: clamp(3rem, 7vw, 6rem) 0 2.5rem; }
.calculator-intro__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 7vw, 7rem); align-items: end; }
.calculator-intro h1 { max-width: 15ch; font-size: clamp(2.25rem, 5vw, 3rem); }
.calculator-intro .lede { margin-top: 0; }
.privacy-note { margin: 1rem 0 0; color: var(--cards-teal-dark); font-size: .9rem; font-weight: 700; }
.privacy-note span { margin-right: .4rem; color: var(--cards-teal); }
.calculator-wrap { padding: 0 0 6rem; }
.calculator-progress { max-width: 900px; margin: 0 auto 1rem; display: flex; align-items: center; gap: 1rem; }
.progress-label { flex: none; color: var(--muted); font-size: .82rem; }
.progress-track { height: .35rem; flex: 1; overflow: hidden; border-radius: 1rem; background: #dedbd2; }
.progress-track span { display: block; width: 33.333%; height: 100%; background: var(--signal); transition: width .2s ease; }
.calculator-card, .results { max-width: 900px; margin: 0 auto; border: 1px solid var(--line); border-radius: .75rem; background: var(--paper); box-shadow: 0 20px 55px rgba(22,26,36,.08); }
.calculator-card { padding: clamp(1.4rem, 5vw, 3.5rem); }
.quiz-step { min-width: 0; margin: 0; padding: 0; border: 0; }
.quiz-step legend { display: block; width: 100%; margin-bottom: 2rem; }
.quiz-step .eyebrow { display: block; }
.quiz-title { display: block; font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 700; letter-spacing: -.025em; line-height: 1.2; }
.quiz-copy { display: block; margin-top: .5rem; color: var(--muted); line-height: 1.55; }
.input-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.profile-section-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; margin: 1.75rem 0 .65rem; padding-bottom: .55rem; border-bottom: 1px solid var(--line); }
.quiz-step legend + .profile-section-heading { margin-top: 0; }
.profile-section-heading span { font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.profile-section-heading small { max-width: 31rem; color: var(--muted); font-size: .76rem; line-height: 1.4; text-align: right; }
.profile-selects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.value-input--wide { grid-column: 1 / -1; }
.value-input { display: flex; min-width: 0; flex-direction: column; gap: .5rem; padding: 1rem; border: 1px solid var(--line); border-radius: .5rem; background: white; }
.value-input__label { font-size: .875rem; font-weight: 700; }
.value-input__help { color: var(--muted); font-size: .78rem; line-height: 1.45; }
.value-input__control { display: flex; align-items: baseline; gap: .35rem; color: var(--muted); font-size: .86rem; }
.value-input input { width: 100%; min-width: 2rem; border: 0; border-bottom: 1px solid #bbb7ae; padding: .45rem .1rem; color: var(--ink); font-size: 1.3rem; font-weight: 800; }
.value-input input:focus { outline: 0; border-color: var(--signal); box-shadow: 0 2px 0 var(--signal); }
.value-input select { width: 100%; min-height: 2.65rem; border: 1px solid #bbb7ae; border-radius: .35rem; padding: .55rem 2rem .55rem .65rem; background: white; color: var(--ink); font-weight: 700; }
.value-input select:focus { outline: 3px solid rgba(79,85,245,.2); border-color: var(--signal); }
.effort-picker { grid-column: 1 / -1; }
.effort-custom { display: flex; flex-direction: column; gap: .5rem; margin-top: .35rem; padding-top: .85rem; border-top: 1px solid var(--line); }
.effort-assumption { color: var(--cards-indigo-dark); font-size: .78rem; font-weight: 700; line-height: 1.4; }
.profile-context-note { margin-top: 1rem; padding: .9rem 1rem; border-left: 3px solid var(--cards-teal); background: var(--cards-teal-soft); color: var(--cards-teal-dark); font-size: .8rem; line-height: 1.5; }
.profile-context-note strong { color: var(--cards-teal-dark); }
.quiz-actions { display: flex; justify-content: flex-end; gap: .75rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.quiz-actions [data-back] { margin-right: auto; }
.results { padding: clamp(1.4rem, 5vw, 3rem); }
.results-heading { display: flex; justify-content: space-between; gap: 1.5rem; align-items: start; }
.results-heading h2 { max-width: 22ch; margin: 0; font-size: clamp(1.875rem, 4vw, 2.5rem); line-height: 1.15; }
.text-button { border: 0; padding: .3rem 0; background: none; color: var(--signal-dark); font-weight: 700; text-decoration: underline; text-underline-offset: .25rem; }
.scenario-tabs { display: inline-flex; margin-top: 2rem; padding: .3rem; border-radius: .45rem; background: #eceae4; }
.scenario-tabs button { border: 0; border-radius: .3rem; padding: .65rem .85rem; background: transparent; color: var(--muted); font-weight: 700; }
.scenario-tabs button[aria-pressed="true"] { background: var(--cards-indigo); color: white; box-shadow: 0 2px 7px rgba(79,85,245,.24); }
.scenario-copy { margin: .75rem 0 1.5rem; color: var(--muted); font-size: .85rem; }
.headline-results { display: grid; grid-template-columns: 1.2fr 1fr 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: .55rem; }
.headline-results article { padding: 1.25rem; background: white; }
.headline-results article + article { border-left: 1px solid var(--line); }
.headline-results span, .headline-results small { display: block; color: var(--muted); font-size: .78rem; line-height: 1.4; }
.headline-results strong { display: block; margin: .35rem 0; font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 700; letter-spacing: -.025em; line-height: 1.15; }
.headline-results article:first-child { border-top: 4px solid var(--cards-indigo); background: var(--signal-soft); }
.headline-results article:nth-child(2) { border-top: 4px solid var(--cards-teal); }
.headline-results article:nth-child(3) { border-top: 4px solid var(--cards-amber); }
.comparison-card { margin-top: 1.25rem; overflow: hidden; border: 1px solid var(--line); border-radius: .55rem; background: white; }
.comparison-title, .comparison-row { display: grid; grid-template-columns: 1fr 8rem 8rem; gap: 1rem; align-items: center; }
.comparison-title { padding: 1.2rem; background: var(--cards-slate-soft); color: var(--muted); font-size: .8rem; font-weight: 700; }
.comparison-title h3 { margin: 0; color: var(--ink); font-size: 1.25rem; }
.comparison-row { padding: .9rem 1.2rem; border-top: 1px solid var(--line); font-size: .88rem; }
.comparison-row strong:last-child { color: var(--signal-dark); }
.result-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.25rem; }
.result-detail-grid article { display: flex; gap: .8rem; padding: 1.1rem; border: 1px solid var(--line); border-radius: .5rem; background: white; }
.result-icon { display: grid; width: 2rem; height: 2rem; flex: none; place-items: center; border-radius: .45rem; background: var(--signal-soft); color: var(--signal-dark); font-weight: 800; }
.result-detail-grid article:nth-child(1) .result-icon { background: var(--cards-teal-soft); color: var(--cards-teal-dark); }
.result-detail-grid article:nth-child(2) .result-icon { background: var(--cards-indigo-soft); color: var(--cards-indigo); }
.result-detail-grid article:nth-child(3) .result-icon { background: var(--cards-amber-soft); color: var(--cards-amber-dark); }
.result-detail-grid strong { font-size: 1.4rem; }
.result-detail-grid h3 { margin: .2rem 0; font-size: .95rem; }
.result-detail-grid p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.assumptions { margin-top: 1.25rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.assumptions summary { padding: 1rem 0; color: var(--signal-dark); font-weight: 700; cursor: pointer; }
.assumptions div { padding: 0 0 1rem; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.results-cta { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center; margin-top: 1.5rem; padding: 1.25rem; border: 1px solid #cfd2ff; border-radius: .5rem; background: var(--signal-soft); }
.results-cta h3 { margin: 0; }
.results-cta p { margin: .35rem 0 0; color: var(--cards-indigo-dark); font-size: .86rem; line-height: 1.5; }
.copy-status { grid-column: 1 / -1; color: var(--signal-dark); font-size: .82rem; font-weight: 700; }

@media (max-width: 780px) {
  .marketing-hero__grid, .calculator-intro__grid { grid-template-columns: 1fr; }
  .input-grid, .profile-selects, .headline-results, .result-detail-grid { grid-template-columns: 1fr; }
  .profile-section-heading { align-items: flex-start; flex-direction: column; }
  .profile-section-heading small { text-align: left; }
  .headline-results article + article { border-left: 0; border-top: 1px solid var(--line); }
  .comparison-title, .comparison-row { grid-template-columns: 1fr 6rem 6rem; gap: .5rem; }
  .results-cta { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .article { grid-template-columns: 1fr; }
  .article__meta { order: 0; position: static; }
  .support-callout { grid-template-columns: 1fr; }
  .utility-nav > a:not(.button) { display: none; }
  .article-list a { grid-template-columns: 1fr; }
  .site-footer__inner { padding: 1.5rem 0; align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .comparison-title, .comparison-row { grid-template-columns: 1fr 1fr; }
  .comparison-title div, .comparison-row > span { grid-column: 1 / -1; }
  .comparison-title > span { font-size: .72rem; }
  .scenario-tabs { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; }
  .scenario-tabs button { padding-inline: .45rem; font-size: .78rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Cards marketing-site integration */
:root {
  --cards-canvas: #f4f3ef;
  --cards-ink: #17201c;
  --cards-border: rgba(23, 32, 28, .14);
  --cards-indigo: #009da5;
  --cards-indigo-dark: #087a81;
  --cards-indigo-soft: #d2e7e5;
  --cards-slate-dark: #64706a;
  --cards-slate-soft: #edf1ee;
  --paper: #fff;
}
body { font-family: Inter, system-ui, sans-serif; font-weight: 400; }
.shell { width: min(100%, 80rem); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 4rem); }
.site-shell { width: min(100%, 80rem); padding-inline: clamp(1.25rem, 4vw, 4rem); }
.site-header { position: sticky; top: 0; z-index: 100; isolation: isolate; display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; padding-block: 1.1rem; border-bottom: 1px solid var(--line); background: transparent; line-height: normal; }
.site-header::before { content: ""; position: absolute; z-index: -1; inset: 0 calc(50% - 50vw); background: rgba(244, 243, 239, .94); backdrop-filter: blur(18px); box-shadow: 0 1px 0 rgba(23, 32, 28, .05); }
.logo { display: block; width: 7.75rem; height: auto; }
.nav { display: flex; align-items: center; gap: 1rem; }
.nav-links { display: flex; align-items: center; gap: 1.15rem; color: rgba(23, 32, 28, .72); font-size: .93rem; }
.nav a, footer a { color: inherit; text-decoration: none; }
.nav .button { min-height: 2.8rem; padding: .7rem 1.05rem; border: 1px solid var(--ink); border-radius: .75rem; background: transparent; color: var(--ink); font-weight: 500; line-height: normal; box-shadow: none; }
.nav .button.green { border-color: #30a46c; background: #30a46c; color: #fff; }
.calculator-intro { padding: clamp(5rem, 10vw, 9rem) 0 clamp(3rem, 6vw, 5rem); }
.calculator-intro h1 { max-width: 15ch; font-size: clamp(3rem, 6vw, 5.7rem); font-weight: 400; line-height: .98; }
.calculator-intro .eyebrow, .quiz-step .eyebrow, .results .eyebrow { display: flex; align-items: center; gap: .65rem; color: var(--ink); letter-spacing: .12em; font-weight: 500; }
.calculator-intro .eyebrow::before, .quiz-step .eyebrow::before, .results .eyebrow::before { content: ""; width: 2rem; height: 2px; flex: none; background: #fe442e; }
.calculator-card, .results { border-radius: 1.25rem; box-shadow: 0 20px 55px rgba(23, 32, 28, .08); }
.value-input { border-radius: .75rem; }
.button { border-color: var(--ink); border-radius: .75rem; background: var(--ink); box-shadow: none; font-weight: 500; }
.button:hover { border-color: #2a3731; background: #2a3731; }
.button--secondary { border-color: var(--ink); background: transparent; color: var(--ink); }
.button--secondary:hover { border-color: var(--ink); background: var(--cards-slate-soft); }
.progress-track span, .scenario-tabs button[aria-pressed="true"] { background: #009da5; }
footer.shell { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 2rem; border-top: 1px solid var(--line); line-height: normal; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; color: var(--muted); font-size: .9rem; }
@media (max-width: 900px) {
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .nav > .button:first-of-type { display: none; }
  .calculator-intro { padding-top: 4rem; }
  footer.shell { align-items: flex-start; flex-direction: column; }
}