:root {
  --ink: #18221f;
  --forest: #153a31;
  --forest-deep: #0d2a23;
  --cream: #f5f1e8;
  --paper: #fffdf8;
  --sage: #d8e5dc;
  --sage-soft: #eaf0eb;
  --line: #c8d3cc;
  --muted: #5b6863;
  --coral: #e96144;
  --coral-dark: #b73c25;
  --white: #ffffff;
  --display: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  --body: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1180px;
  --gutter: clamp(1rem, 4vw, 3rem);
  --section: clamp(4.5rem, 9vw, 8rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--display); font-size: 1rem; line-height: 1.6; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--coral-dark); }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
.skip-link { position: fixed; left: 1rem; top: 1rem; z-index: 1000; transform: translateY(-200%); padding: .7rem 1rem; background: var(--white); color: var(--forest-deep); border: 2px solid var(--forest-deep); font-weight: 700; }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 100; top: 0; background: rgba(255,253,248,.96); border-bottom: 1px solid rgba(21,58,49,.18); }
.nav-shell { min-height: 74px; max-width: var(--max); margin: auto; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 800; letter-spacing: -.045em; font-size: 1.2rem; }
.brand img { border-radius: 50%; }
.brand > span > span { color: var(--coral-dark); }
.primary-nav { display: flex; align-items: center; gap: 1.8rem; }
.primary-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); text-decoration: none; font-size: .89rem; font-weight: 700; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--forest); }
.primary-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--coral); text-decoration-thickness: 2px; text-underline-offset: .55rem; }
.primary-nav .nav-about { padding: 0 1.05rem; border: 1px solid var(--forest); color: var(--forest); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; background: transparent; border: 1px solid var(--line); color: var(--forest); font: 700 .85rem var(--display); }
.menu-toggle i, .menu-toggle i::before { display: block; width: 16px; height: 2px; background: currentColor; content: ""; }
.menu-toggle i { margin: .25rem auto 0; }
.menu-toggle i::before { transform: translateY(-5px); }

.hero { overflow: hidden; background: var(--cream); border-bottom: 1px solid var(--line); }
.hero-inner { position: relative; max-width: var(--max); margin: auto; min-height: 540px; padding: clamp(3.5rem,7vw,6.8rem) var(--gutter); display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(260px,.65fr); gap: clamp(2rem,7vw,7rem); align-items: center; }
.article-hero .hero-inner { min-height: 450px; padding-top: 3.5rem; padding-bottom: 4.5rem; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .kicker, .mono-label, .updated, .footer-heading { margin: 0 0 1rem; color: var(--coral-dark); font: 700 .72rem/1.4 var(--mono); letter-spacing: .11em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 { margin-top: 0; color: var(--forest-deep); font-family: var(--display); }
h1 { max-width: 15ch; margin-bottom: 1.5rem; font-size: clamp(2.75rem, 6.7vw, 5.8rem); line-height: .98; letter-spacing: -.065em; font-weight: 650; }
.article-hero h1 { max-width: 18ch; font-size: clamp(2.6rem, 5.5vw, 4.9rem); }
.lede { max-width: 720px; margin: 0 0 2rem; color: #40504a; font: clamp(1.12rem,2vw,1.36rem)/1.55 var(--body); }
.updated { margin-top: 2.2rem; margin-bottom: 0; color: var(--muted); font-size: .67rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; gap: .8rem; padding: .7rem 1.15rem; background: var(--forest); color: var(--white); text-decoration: none; font-size: .9rem; font-weight: 750; }
.button:hover { background: var(--coral-dark); color: var(--white); }
.hero-aside { position: relative; min-height: 320px; display: grid; place-items: center; }
.orbit { position: absolute; border: 1px solid rgba(21,58,49,.24); border-radius: 50%; }
.orbit-one { width: 340px; height: 340px; }
.orbit-two { width: 230px; height: 230px; }
.sift-card { position: relative; z-index: 1; width: min(270px,80%); min-height: 280px; padding: 2rem; display: flex; flex-direction: column; justify-content: space-between; background: var(--forest-deep); color: var(--white); transform: rotate(3deg); box-shadow: 14px 14px 0 var(--coral); }
.sift-card small, .sift-card span { color: #b9cec5; font: .65rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.sift-card strong { font-size: 1.7rem; line-height: 1.1; letter-spacing: -.04em; }
.breadcrumbs { grid-column: 1/-1; display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: -1rem; color: var(--muted); font-size: .78rem; }
.breadcrumbs a { text-decoration: none; }

.signal-strip { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(3,1fr); background: var(--forest); color: var(--white); }
.signal-strip div { min-height: 136px; padding: 1.7rem; display: grid; grid-template-columns: auto 1fr; align-content: center; gap: 0 .9rem; border-right: 1px solid rgba(255,255,255,.17); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip span { grid-row: 1/3; color: #8fb2a4; font: .7rem var(--mono); }
.signal-strip strong { line-height: 1.25; }
.signal-strip small { color: #cbded6; }

.section { max-width: var(--max); margin: 0 auto; padding: var(--section) var(--gutter); }
.split { display: grid; grid-template-columns: minmax(0,.8fr) minmax(360px,1.2fr); gap: clamp(3rem,8vw,8rem); }
.section-heading { align-self: start; }
.section-heading h2, .launch-note h2 { margin-bottom: 1.4rem; font-size: clamp(2rem,4.2vw,3.5rem); line-height: 1.04; letter-spacing: -.055em; }
.section-heading > p:not(.kicker) { color: var(--muted); font: 1.12rem/1.65 var(--body); }
.link-list { border-top: 1px solid var(--forest); }
.topic-link { min-height: 116px; padding: 1.5rem 0; display: grid; grid-template-columns: 38px 1fr auto; gap: 1.25rem; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; }
.topic-link:hover { padding-left: .5rem; color: var(--ink); }
.topic-link, .topic-link:hover { transition: padding .2s ease; }
.topic-number { color: var(--coral-dark); font: .7rem var(--mono); }
.topic-link strong, .topic-link small { display: block; }
.topic-link strong { margin-bottom: .25rem; color: var(--forest-deep); font-size: 1.15rem; }
.topic-link small { color: var(--muted); font: .99rem/1.45 var(--body); }

.dark-section { max-width: none; padding-left: max(var(--gutter), calc((100vw - var(--max))/2 + var(--gutter))); padding-right: max(var(--gutter), calc((100vw - var(--max))/2 + var(--gutter))); background: var(--forest-deep); color: var(--white); }
.dark-section .section-heading { display: grid; grid-template-columns: .55fr 1.45fr; gap: 3rem; align-items: start; }
.dark-section h2 { max-width: 750px; color: var(--white); }
.dark-section .kicker { color: #f59882; }
.editorial-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 4rem; border-top: 1px solid #45665b; border-bottom: 1px solid #45665b; }
.editorial-grid article { padding: 2.2rem 2.2rem 2.4rem 0; }
.editorial-grid article + article { padding-left: 2.2rem; border-left: 1px solid #45665b; }
.editorial-grid .mono-label { color: #f59882; }
.editorial-grid h3 { color: var(--white); font-size: 1.25rem; }
.editorial-grid p:last-child { color: #c3d5ce; font-family: var(--body); }

.text-link { display: inline-block; margin-top: 1rem; color: var(--forest); font-weight: 750; }
.stack-map { margin: 0; padding: 0; list-style: none; counter-reset: stack; }
.stack-map li { position: relative; padding: 1.5rem 1.5rem 1.5rem 4.2rem; border-top: 1px solid var(--line); }
.stack-map li:last-child { border-bottom: 1px solid var(--line); }
.stack-map li::before { position: absolute; left: .5rem; top: 1.65rem; counter-increment: stack; content: "0" counter(stack); color: var(--coral-dark); font: .7rem var(--mono); }
.stack-map span, .stack-map strong, .stack-map small { display: block; }
.stack-map span { margin-bottom: .3rem; color: var(--muted); font: .64rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.stack-map strong { color: var(--forest-deep); font-size: 1.12rem; }
.stack-map small { color: var(--muted); font-family: var(--body); }
.launch-note { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; border-top: 1px solid var(--forest); }
.launch-note p:last-child { margin: 0; color: var(--muted); font: 1.08rem/1.7 var(--body); }

.article-layout { display: grid; grid-template-columns: 220px minmax(0,720px); justify-content: space-between; gap: clamp(3rem,9vw,9rem); }
.article-aside { position: sticky; top: 105px; align-self: start; padding-top: .2rem; color: var(--muted); font-size: .83rem; }
.article-aside nav { display: grid; border-top: 1px solid var(--line); }
.article-aside nav a { min-height: 43px; padding: .65rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.prose > * { max-width: 68ch; }
.prose h2 { margin: 4.3rem 0 1.25rem; font-size: clamp(1.8rem,3.2vw,2.7rem); line-height: 1.1; letter-spacing: -.045em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-bottom: .45rem; font-size: 1.1rem; }
.prose p, .prose li { color: #35443f; font: 1.06rem/1.72 var(--body); }
.prose a { color: var(--forest); font-family: var(--display); font-size: .91em; font-weight: 750; }
.callout { margin: 2.5rem 0; padding: 1.5rem 1.7rem; border: 1px solid var(--forest); background: var(--sage-soft); }
.callout .mono-label { margin-bottom: .65rem; color: var(--coral-dark); font-family: var(--mono); font-size: .67rem; }
.callout p:last-child { margin: 0; color: var(--forest-deep); font-family: var(--display); font-size: 1rem; }
.criteria-grid { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 2rem 0; border: 1px solid var(--line); background: var(--line); }
.criteria-grid article { padding: 1.5rem; background: var(--paper); }
.criteria-grid p { margin: 0; font-size: .98rem; }
.decision-list { max-width: none; border-top: 1px solid var(--forest); }
.decision-list article { display: grid; grid-template-columns: 40px 1fr; gap: 1.2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.decision-list article > span { color: var(--coral-dark); font: .7rem var(--mono); }
.decision-list h3 { margin: 0 0 .3rem; }
.decision-list p { margin: 0 0 .4rem; }
.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; padding: .8rem 0 .8rem 2rem; border-bottom: 1px solid var(--line); }
.check-list li::before { position: absolute; left: 0; top: 1rem; width: 10px; height: 10px; content: ""; border: 2px solid var(--coral-dark); border-radius: 50%; }
.next-guide { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--forest); }
.ownership-table { width: 100%; max-width: none; margin: 2rem 0; border-collapse: collapse; table-layout: fixed; border-top: 1px solid var(--forest); }
.ownership-table caption { padding: 0 0 .7rem; color: var(--muted); font: .66rem var(--mono); letter-spacing: .07em; text-align: left; text-transform: uppercase; }
.ownership-table th, .ownership-table td { padding: 1rem .8rem 1rem 0; border-bottom: 1px solid var(--line); color: #35443f; font: 1rem/1.45 var(--body); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.ownership-table thead th { color: var(--muted); font: .66rem var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.ownership-table tbody th { color: var(--forest-deep); font-family: var(--display); font-weight: 700; }
.ownership-table th:first-child { width: 24%; }
.ownership-table th:nth-child(2) { width: 32%; }
.numbered-steps { padding: 0; list-style: none; counter-reset: steps; }
.numbered-steps li { position: relative; padding: 1.2rem 0 1.2rem 3.4rem; border-bottom: 1px solid var(--line); counter-increment: steps; }
.numbered-steps li::before { position: absolute; left: 0; top: 1.3rem; content: "0" counter(steps); color: var(--coral-dark); font: .7rem var(--mono); }
.numbered-steps strong, .numbered-steps span { display: block; }
.numbered-steps strong { color: var(--forest-deep); font-family: var(--display); }
.numbered-steps span { margin-top: .25rem; }

.site-footer { padding: 4.5rem var(--gutter) 2rem; background: var(--forest-deep); color: var(--white); }
.footer-main { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 4rem; }
.brand-inverse { color: var(--white); }
.brand-inverse > span > span { color: #f59882; }
.footer-brand p { max-width: 360px; color: #bcd0c8; font: 1rem/1.6 var(--body); }
.footer-main > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; }
.footer-heading { color: #f59882; }
.footer-main > div > a:not(.brand) { min-height: 38px; color: #d7e4df; text-decoration: none; font-size: .88rem; }
.footer-main a:hover { color: var(--white); }
.footer-bottom { max-width: var(--max); margin: 3.5rem auto 0; padding-top: 1.2rem; display: flex; justify-content: space-between; gap: 2rem; border-top: 1px solid #34554a; color: #98b2a8; font: .68rem var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.footer-bottom p { margin: 0; }

@media (max-width: 800px) {
  html { scroll-padding-top: 5rem; }
  .nav-shell { min-height: 66px; }
  .menu-toggle { display: block; }
  .primary-nav { position: absolute; left: 0; right: 0; top: 66px; display: none; padding: .75rem var(--gutter) 1.2rem; background: var(--paper); border-bottom: 1px solid var(--line); }
  .primary-nav[data-open="true"] { display: grid; }
  .primary-nav a, .primary-nav .nav-about { padding: .35rem 0; border: 0; border-bottom: 1px solid var(--line); }
  .primary-nav a[aria-current="page"] { text-underline-offset: .25rem; }
  .hero-inner, .article-hero .hero-inner { min-height: auto; grid-template-columns: 1fr; gap: 2rem; padding-top: 3rem; padding-bottom: 3.5rem; }
  .breadcrumbs { margin-bottom: 0; }
  .hero-aside { display: none; }
  h1 { font-size: clamp(2.55rem,13vw,4.2rem); }
  .article-hero h1 { font-size: clamp(2.45rem,12vw,4rem); }
  .signal-strip { grid-template-columns: 1fr; padding: 0; }
  .signal-strip div { min-height: 105px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.17); }
  .split, .launch-note, .dark-section .section-heading { grid-template-columns: 1fr; gap: 2.5rem; }
  .editorial-grid { grid-template-columns: 1fr; }
  .editorial-grid article, .editorial-grid article + article { padding: 1.7rem 0; border-left: 0; border-bottom: 1px solid #45665b; }
  .article-layout { grid-template-columns: 1fr; gap: 3rem; }
  .article-aside { position: static; }
  .article-aside nav { grid-template-columns: 1fr 1fr; column-gap: 1.3rem; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
}

@media (max-width: 520px) {
  .section { padding-top: 4rem; padding-bottom: 4rem; }
  .topic-link { grid-template-columns: 30px 1fr; }
  .topic-link > span:last-child { display: none; }
  .criteria-grid { grid-template-columns: 1fr; }
  .article-aside nav { grid-template-columns: 1fr; }
  .ownership-table, .ownership-table tbody, .ownership-table tr, .ownership-table th, .ownership-table td { display: block; width: 100%; }
  .ownership-table thead { display: none; }
  .ownership-table tbody tr { padding: 1rem 0; border-bottom: 1px solid var(--line); }
  .ownership-table th, .ownership-table td { padding: .15rem 0; border: 0; }
  .ownership-table td::before { margin-right: .55rem; color: var(--muted); content: attr(data-label) ":"; font: .65rem var(--mono); letter-spacing: .04em; text-transform: uppercase; }
  .footer-main { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}