:root { --ink:#171717; --muted:#5f6665; --teal:#0d5a5c; --teal-dark:#073f41; --accent:#d86540; --cream:#f6f2ec; --mist:#eaf4f3; --line:#e3e8e7; --white:#fff; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:#fff; color:var(--ink); font-family:Arial, Helvetica, sans-serif; font-size:16px; line-height:1.6; }
a { color:inherit; text-decoration:none; }
button,input { font:inherit; }
button,a { -webkit-tap-highlight-color:transparent; }
img { max-width:100%; display:block; }
:focus-visible { outline:3px solid #f3a78e; outline-offset:3px; }
.skip-link { position:fixed; z-index:100; left:16px; top:-80px; background:#fff; border:2px solid var(--teal); padding:10px 14px; }
.skip-link:focus { top:16px; }
.site-header { height:76px; padding:0 max(34px, calc((100vw - 1450px)/2)); display:flex; align-items:center; gap:30px; border-bottom:1px solid var(--line); background:rgba(255,255,255,.97); position:sticky; top:0; z-index:50; }
.brand { min-width:max-content; display:flex; align-items:baseline; font-family:Georgia, serif; letter-spacing:-.045em; }
.brand span { font-size:31px; font-weight:700; }
.brand small { font-size:20px; letter-spacing:-.02em; }
.main-nav { display:flex; justify-content:center; align-items:center; gap:31px; flex:1; font-size:14px; font-weight:600; }
.main-nav a { position:relative; white-space:nowrap; }
.main-nav a:after { content:""; position:absolute; left:0; right:100%; bottom:-8px; height:2px; background:var(--teal); transition:.2s ease; }
.main-nav a:hover:after { right:0; }
.header-search,.menu-button { border:0; background:none; color:var(--ink); font-size:28px; cursor:pointer; }
.menu-button { display:none; }
.hero { position:relative; min-height:585px; display:grid; grid-template-columns:minmax(0, 52%) 1fr; background:#fbfbfa; overflow:hidden; }
.hero-copy { padding:60px max(48px, calc((100vw - 1450px)/2)); padding-right:44px; position:relative; z-index:2; }
.eyebrow { color:var(--teal); font-size:12px; font-weight:800; letter-spacing:.11em; text-transform:uppercase; margin:0 0 10px; }
.eyebrow.accent { color:var(--accent); }
h1,h2,h3 { font-family:Georgia, "Times New Roman", serif; line-height:1.06; margin-top:0; }
h1 { font-size:clamp(52px, 5vw, 80px); letter-spacing:-.055em; margin:0 0 18px; }
.hero h1 span { white-space:nowrap; }
.hero-intro { font-size:18px; line-height:1.65; max-width:650px; margin:0 0 23px; }
.hero-image { min-height:510px; position:relative; overflow:hidden; background:#f2f0eb; }
.hero-image img { width:100%; height:100%; object-fit:cover; object-position:68% center; }
.hero-image:after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,#fbfbfa 0%,rgba(251,251,250,.16) 14%,rgba(251,251,250,0) 34%); pointer-events:none; }
.search-form { position:relative; display:flex; align-items:center; max-width:590px; height:60px; background:#fff; border:1px solid #cfd7d5; border-radius:6px; box-shadow:0 8px 30px rgba(20,40,40,.06); }
.search-form>span { padding-left:19px; color:var(--teal); font-size:25px; }
.search-form input { height:100%; width:100%; border:0; outline:0; padding:0 17px; background:transparent; }
.suggestions { position:absolute; top:calc(100% + 6px); left:0; right:0; background:#fff; border:1px solid var(--line); border-radius:6px; box-shadow:0 20px 50px rgba(10,45,45,.14); overflow:hidden; z-index:20; }
.suggestions button { border:0; background:#fff; width:100%; padding:13px 17px; display:flex; justify-content:space-between; text-align:left; cursor:pointer; }
.suggestions button:hover { background:var(--mist); }
.suggestions small { color:var(--teal); }
.suggestions p { padding:14px 17px; margin:0; color:var(--muted); }
.hero-actions { display:flex; gap:12px; margin-top:20px; }
.button { min-height:48px; padding:0 24px; border-radius:4px; display:inline-flex; justify-content:center; align-items:center; gap:12px; border:1px solid transparent; font-weight:700; font-size:14px; cursor:pointer; }
.button.primary { background:var(--teal); color:#fff; }
.button.primary:hover { background:var(--teal-dark); }
.button.secondary { background:#fff; border-color:#bfc8c6; }
.trust-strip { position:absolute; z-index:3; left:0; right:0; bottom:0; min-height:76px; padding:17px max(34px, calc((100vw - 1450px)/2)); background:rgba(255,255,255,.94); display:flex; align-items:center; justify-content:space-between; color:var(--teal); border-top:1px solid rgba(227,232,231,.8); }
.trust-strip b { color:var(--ink); font-size:13px; margin-left:7px; }
.page-shell { width:min(1450px, calc(100% - 68px)); margin:0 auto; }
.section { margin-top:68px; }
.need-shortcuts { margin:-1px 0 0; display:grid; grid-template-columns:repeat(6,1fr); border:1px solid var(--line); border-top:0; background:#fff; }
.need-shortcuts a { min-height:100px; border-right:1px solid var(--line); padding:22px 18px; font-family:Georgia,serif; font-weight:700; position:relative; display:flex; align-items:center; gap:12px; }
.need-shortcuts a:last-child { border-right:0; }
.need-shortcuts a span { color:var(--accent); font-family:Arial,sans-serif; font-size:23px; }
.need-shortcuts a b { position:absolute; right:14px; bottom:10px; color:var(--teal); font-family:Arial,sans-serif; font-weight:400; }
.need-shortcuts a:hover { background:var(--cream); }
.featured { display:grid; grid-template-columns:1fr 1.25fr .9fr; min-height:390px; border:1px solid var(--line); border-radius:8px; overflow:hidden; }
.featured-copy { padding:42px 35px; }
.featured-copy h2 { font-size:43px; letter-spacing:-.035em; margin-bottom:17px; }
.featured-copy p:not(.eyebrow) { color:#424847; margin:0 0 24px; }
.featured>img { width:100%; height:100%; object-fit:cover; }
.featured-list { padding:24px; display:flex; flex-direction:column; justify-content:center; gap:10px; background:#fff; }
.featured-list>a:not(.all-link) { display:grid; grid-template-columns:74px 1fr; gap:14px; padding-bottom:12px; border-bottom:1px solid var(--line); }
.featured-list img { width:74px; height:65px; object-fit:cover; border-radius:3px; }
.featured-list b { display:block; font-family:Georgia,serif; margin-bottom:4px; }
.featured-list small { display:block; color:var(--muted); line-height:1.35; }
.all-link,.section-heading>a { color:var(--teal); font-weight:700; font-size:14px; }
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:25px; margin-bottom:22px; }
.section-heading h2 { font-size:40px; letter-spacing:-.035em; margin-bottom:0; }
.section-heading p:not(.eyebrow) { margin:8px 0 0; max-width:750px; color:var(--muted); }
.guide-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:16px; }
.guide-card { border:1px solid var(--line); border-radius:7px; overflow:hidden; transition:.2s ease; }
.guide-card:hover { transform:translateY(-4px); box-shadow:0 15px 35px rgba(15,50,50,.09); }
.guide-card>img { width:100%; aspect-ratio:1.42; object-fit:cover; background:var(--cream); }
.guide-card>div { padding:19px; }
.guide-card h3 { font-size:22px; letter-spacing:-.02em; min-height:48px; }
.guide-card p:not(.eyebrow) { color:#505756; font-size:14px; min-height:70px; }
.guide-card small { color:#6d7473; }
.tools-section { background:var(--mist); padding:42px; margin-left:-42px; margin-right:-42px; }
.tool-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:14px; }
.tool-card { background:#fff; border:1px solid #d8e3e1; border-radius:7px; padding:22px; min-height:220px; display:flex; flex-direction:column; }
.tool-icon { width:43px; height:43px; display:grid; place-items:center; border-radius:50%; background:var(--mist); color:var(--teal); font-size:23px; margin-bottom:16px; }
.tool-card h3 { font-size:20px; margin-bottom:9px; }
.tool-card p { color:var(--muted); font-size:14px; flex:1; }
.tool-card b { color:var(--teal); font-size:13px; }
.path-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.path-card { border:1px solid var(--line); border-radius:7px; padding:27px; display:flex; gap:18px; min-height:220px; }
.path-card>span { font-size:37px; color:var(--teal); }
.path-card h3 { font-size:22px; }
.path-card p { font-size:14px; color:var(--muted); }
.path-card b { color:var(--teal); font-size:13px; }
.confidence { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:30px 0; }
.confidence article { display:flex; gap:16px; padding:0 35px; border-right:1px solid var(--line); }
.confidence article:last-child { border-right:0; }
.confidence span { color:var(--teal); font-size:38px; }
.confidence h3 { font-size:19px; margin-bottom:6px; }
.confidence p { margin:0; color:var(--muted); font-size:13px; }
.newsletter { margin:60px 0 70px; background:var(--cream); min-height:170px; padding:32px 40px; display:grid; grid-template-columns:90px 1.1fr 1fr; align-items:center; gap:24px; border-radius:7px; }
.newsletter-mark { width:80px; height:80px; background:var(--teal); color:#fff; display:grid; place-items:center; font-size:42px; border-radius:50% 50% 12px 50%; }
.newsletter h2 { font-size:26px; margin-bottom:7px; }
.newsletter p:not(.eyebrow) { margin:0; font-size:14px; color:var(--muted); }
.newsletter form label { display:block; font-size:13px; font-weight:700; margin-bottom:5px; }
.newsletter form>div { display:flex; }
.newsletter input { height:48px; border:1px solid #c9d0cf; border-radius:4px 0 0 4px; padding:0 14px; min-width:0; flex:1; }
.newsletter .button { border-radius:0 4px 4px 0; }
.newsletter form small { display:block; color:var(--muted); margin-top:7px; }
footer { border-top:1px solid var(--line); padding:50px max(34px, calc((100vw - 1450px)/2)) 30px; display:grid; grid-template-columns:1.6fr repeat(3,1fr); gap:45px; position:relative; }
footer h3 { font-size:16px; margin-bottom:12px; }
footer>div:not(.footer-brand) a { display:block; font-size:14px; color:var(--muted); margin:6px 0; }
.footer-brand p { max-width:240px; color:var(--muted); font-size:14px; }
.copyright { grid-column:1/-1; border-top:1px solid var(--line); margin:20px 0 0; padding-top:20px; color:#737978; font-size:12px; }
.copyright a,.footer-audit a { color:var(--teal); text-decoration:underline; text-underline-offset:3px; }
.footer-audit { grid-column:1/-1; display:flex; align-items:center; gap:13px; width:max-content; max-width:100%; padding:13px 17px; border:1px solid #cddcda; border-radius:6px; background:var(--mist); }
.footer-audit>span { width:28px; height:28px; display:grid; place-items:center; flex:0 0 auto; border-radius:50%; background:var(--teal); color:#fff; font-weight:800; }
.footer-audit p { margin:0; line-height:1.35; }
.footer-audit small { display:block; color:var(--muted); margin-top:2px; }

@media (max-width:1180px) {
  .main-nav { gap:17px; font-size:12px; }
  .hero { grid-template-columns:53% 47%; }
  .hero h1 span { white-space:normal; }
  .need-shortcuts { grid-template-columns:repeat(3,1fr); }
  .need-shortcuts a:nth-child(3) { border-right:0; }
  .need-shortcuts a:nth-child(-n+3) { border-bottom:1px solid var(--line); }
  .guide-grid,.tool-grid { grid-template-columns:repeat(3,1fr); }
  .guide-card:nth-child(n+4),.tool-card:nth-child(n+4) { display:none; }
  .featured { grid-template-columns:1fr 1.2fr; }
  .featured-list { grid-column:1/-1; display:grid; grid-template-columns:repeat(3,1fr); }
}
@media (max-width:850px) {
  .site-header { height:66px; padding:0 20px; }
  .menu-button { display:block; order:3; margin-left:auto; }
  .header-search { order:2; margin-left:auto; }
  .main-nav { display:none; position:absolute; top:66px; left:0; right:0; background:#fff; border-bottom:1px solid var(--line); padding:18px; flex-direction:column; align-items:stretch; gap:0; }
  .main-nav.is-open { display:flex; }
  .main-nav a { padding:11px; }
  .hero { display:block; min-height:0; }
  .hero-copy { padding:42px 24px 30px; }
  h1 { font-size:52px; }
  .hero-image { min-height:300px; background-position:center; }
  .trust-strip { position:static; display:grid; grid-template-columns:1fr 1fr; gap:12px; padding:20px 24px; }
  .page-shell { width:calc(100% - 32px); }
  .featured { grid-template-columns:1fr; }
  .featured>img { max-height:330px; }
  .featured-list { display:none; }
  .guide-grid,.tool-grid { grid-template-columns:1fr 1fr; }
  .guide-card:nth-child(4),.tool-card:nth-child(4) { display:block; }
  .path-grid { grid-template-columns:1fr 1fr; }
  .confidence { grid-template-columns:1fr; }
  .confidence article { border:0; border-bottom:1px solid var(--line); padding:22px; }
  .newsletter { grid-template-columns:70px 1fr; padding:26px; }
  .newsletter-mark { width:65px; height:65px; }
  .newsletter form { grid-column:1/-1; }
}
@media (max-width:560px) {
  body { font-size:15px; }
  .brand span { font-size:27px; }
  .brand small { font-size:17px; }
  .header-search { display:none; }
  .hero-copy { padding-top:34px; }
  h1 { font-size:43px; }
  .hero-intro { font-size:16px; }
  .hero-actions { flex-direction:column; }
  .hero-image { min-height:235px; }
  .trust-strip { grid-template-columns:1fr; }
  .need-shortcuts { grid-template-columns:1fr 1fr; }
  .need-shortcuts a { border-bottom:1px solid var(--line); min-height:90px; }
  .need-shortcuts a:nth-child(odd) { border-right:1px solid var(--line); }
  .need-shortcuts a:nth-child(even) { border-right:0; }
  .section { margin-top:48px; }
  .section-heading { align-items:start; flex-direction:column; }
  .section-heading h2,.featured-copy h2 { font-size:34px; }
  .featured-copy { padding:28px 23px; }
  .guide-grid,.tool-grid,.path-grid { grid-template-columns:1fr; }
  .guide-card:nth-child(n+4),.tool-card:nth-child(n+4) { display:none; }
  .tools-section { margin-left:-16px; margin-right:-16px; padding:32px 16px; }
  .path-card { min-height:0; }
  .newsletter { grid-template-columns:1fr; }
  .newsletter-mark { display:none; }
  .newsletter form>div { display:block; }
  .newsletter input,.newsletter .button { width:100%; border-radius:4px; }
  .newsletter .button { margin-top:8px; }
  footer { grid-template-columns:1fr 1fr; padding:40px 24px 25px; }
  .footer-brand { grid-column:1/-1; }
}

.sr-only,.sr-only-focusable:not(:focus) { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
.search-overlay { position:fixed; inset:0; z-index:90; background:rgba(11,26,26,.6); padding:8vh 20px; }
.search-dialog { position:relative; width:min(760px,100%); margin:0 auto; background:#fff; border-radius:8px; padding:40px; box-shadow:0 30px 90px rgba(0,0,0,.24); }
.search-dialog h2 { font-size:38px; margin-bottom:22px; }
.search-dialog label,.search-page label { display:block; font-weight:700; margin-bottom:6px; }
.search-dialog input,.search-page input { width:100%; height:58px; border:1px solid #bdc8c6; border-radius:5px; padding:0 16px; }
.search-close { position:absolute; right:18px; top:12px; border:0; background:transparent; font-size:36px; cursor:pointer; }
.search-suggestions { margin-top:12px; border-top:1px solid var(--line); }
.search-suggestions a,.suggestions a { padding:13px 8px; display:flex; justify-content:space-between; gap:20px; border-bottom:1px solid var(--line); }
.search-suggestions a:hover,.suggestions a:hover { background:var(--mist); }
.search-suggestions small,.suggestions small { color:var(--teal); }
.no-suggestion { color:var(--muted); }
.search-is-open { overflow:hidden; }

.content-shell { width:min(1240px,calc(100% - 64px)); margin:0 auto; }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:8px; align-items:center; padding:22px 0; font-size:13px; color:#69706f; }
.breadcrumbs a { color:var(--teal); }
.hub-hero,.article-header,.tool-hero { display:grid; grid-template-columns:1.12fr .88fr; gap:50px; align-items:center; border-bottom:1px solid var(--line); padding:35px 0 55px; }
.hub-hero h1,.article-header h1,.tool-hero h1,.trust-page h1,.search-page h1,.not-found h1 { font-size:clamp(45px,5vw,70px); letter-spacing:-.045em; margin-bottom:18px; }
.lead { font-size:20px; line-height:1.65; color:#424948; }
.hub-hero img,.article-header img,.tool-hero img { width:100%; aspect-ratio:1.35; object-fit:cover; border-radius:7px; }
.situation-grid { padding:58px 0; }
.situation-grid h2,.hub-list h2,.related-section h2,.tool-method h2 { font-size:38px; }
.situation-grid>div { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.situation-grid article { background:var(--mist); padding:26px; border-radius:7px; border:1px solid #d8e4e2; }
.situation-grid h3 { font-size:22px; }
.situation-grid p { color:var(--muted); margin-bottom:0; }
.hub-list { padding:20px 0 80px; }
.resource-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.resource-card { border:1px solid var(--line); border-radius:7px; padding:25px; min-height:210px; display:flex; flex-direction:column; transition:.2s ease; }
.resource-card:hover { transform:translateY(-3px); box-shadow:0 13px 32px rgba(10,55,55,.08); }
.resource-card h2,.resource-card h3 { font-size:23px; margin:12px 0; }
.resource-card p { color:var(--muted); flex:1; }
.resource-card b { color:var(--teal); font-size:13px; }
.resource-type { font-size:11px; text-transform:uppercase; letter-spacing:.1em; font-weight:800; color:var(--accent); }

.review-warning { background:#fff4e8; border:1px solid #edc89e; padding:14px 18px; margin:5px 0 20px; border-radius:5px; }
.article-meta { display:flex; flex-wrap:wrap; gap:8px 18px; color:#626968; font-size:13px; margin-top:22px; }
.article-meta span:before { content:"✓"; color:var(--teal); margin-right:6px; }
.article-meta a { color:var(--teal); text-decoration:underline; text-underline-offset:3px; }
.article-layout { display:grid; grid-template-columns:minmax(0,800px) 280px; gap:60px; align-items:start; padding:56px 0; }
.article-body>section { margin-bottom:55px; }
.article-body>section[id] { scroll-margin-top:105px; }
.article-body h2 { font-size:36px; letter-spacing:-.03em; margin-bottom:22px; }
.article-body h3 { font-size:23px; margin-bottom:7px; }
.article-body p,.article-body li { font-size:17px; line-height:1.75; }
.direct-answer { background:var(--mist); border-left:4px solid var(--teal); padding:26px 30px; border-radius:0 7px 7px 0; }
.direct-answer p:last-child { font-size:20px; line-height:1.7; margin:0; }
.check-list,.error-list { list-style:none; padding:0; }
.check-list li,.error-list li { position:relative; padding:12px 0 12px 34px; border-bottom:1px solid var(--line); }
.check-list li:before { content:"✓"; position:absolute; left:4px; color:var(--teal); font-weight:800; }
.error-list li:before { content:"×"; position:absolute; left:4px; color:var(--accent); font-weight:800; font-size:22px; }
.steps article { display:grid; grid-template-columns:48px 1fr; gap:18px; padding:0 0 28px; position:relative; }
.steps article>span { width:42px; height:42px; display:grid; place-items:center; background:var(--teal); color:#fff; border-radius:50%; font-weight:800; }
.steps article:not(:last-child):after { content:""; position:absolute; left:20px; top:44px; bottom:3px; border-left:1px solid #b9ccca; }
.steps p { margin:0; color:#424948; }
.example-box { background:var(--cream); padding:32px; border-radius:7px; }
.sources>a { display:flex; justify-content:space-between; gap:25px; padding:17px 0; border-bottom:1px solid var(--line); color:var(--teal); }
.sources>a span { color:var(--muted); text-align:right; }
.disclaimer { padding:20px; background:#f7f7f6; border:1px solid var(--line); border-radius:6px; }
.article-aside { position:sticky; top:105px; }
.toc,.update-card { border:1px solid var(--line); border-radius:6px; padding:21px; margin-bottom:16px; }
.toc a { display:block; padding:8px 0; border-bottom:1px solid var(--line); font-size:14px; color:var(--teal); }
.update-card b,.update-card span { display:block; }
.update-card span { margin:3px 0 14px; color:var(--muted); }
.update-card a { color:var(--teal); font-size:13px; font-weight:700; }
.related-section { padding:55px 0 80px; border-top:1px solid var(--line); }

.tool-hero { padding-bottom:45px; }
.tool-workspace { margin:50px 0 20px; background:var(--mist); border:1px solid #d2e0de; padding:38px; border-radius:8px; }
.calculator-form label,.document-form label { display:block; font-weight:700; font-size:14px; }
.field-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:25px; }
.calculator-form input,.calculator-form select,.document-form input { width:100%; height:50px; margin-top:6px; border:1px solid #b8c6c4; border-radius:4px; background:#fff; padding:0 13px; }
.tool-result { margin-top:26px; background:#fff; border:1px solid #cbd8d6; padding:25px; border-radius:6px; }
.tool-result strong { display:block; font-family:Georgia,serif; font-size:43px; color:var(--teal); }
.result-label { text-transform:uppercase; letter-spacing:.1em; font-size:11px; font-weight:800; color:var(--accent); }
.tool-caveat { display:flex; gap:18px; padding:18px 24px; background:#fff4e8; border-left:4px solid var(--accent); }
.tool-caveat p { margin:0; }
.tool-method { padding:50px 0; }
.tool-method>h2,.tool-sources h2 { font-size:38px; letter-spacing:-.03em; }
.tool-formula { display:grid; grid-template-columns:190px 1fr; gap:22px; align-items:start; margin:25px 0 28px; padding:22px 25px; border-left:4px solid var(--teal); background:var(--mist); }
.tool-formula b { font-family:Georgia,serif; font-size:21px; }
.tool-formula span { color:#394140; font-size:17px; }
.tool-detail-grid,.tool-limit-grid { display:grid; grid-template-columns:1.15fr .85fr; gap:20px; }
.tool-detail-grid>article,.tool-limit-grid>div { border:1px solid var(--line); border-radius:7px; padding:28px; }
.tool-detail-grid h3,.tool-limit-grid h3 { font-size:24px; margin-bottom:15px; }
.tool-detail-grid ol { margin:0; padding-left:23px; }
.tool-detail-grid li { padding:0 0 17px 5px; }
.tool-detail-grid li:last-child { padding-bottom:0; }
.tool-detail-grid li b,.tool-detail-grid li span { display:block; }
.tool-detail-grid li span,.tool-example p:not(.eyebrow),.tool-limit-grid p,.tool-limit-grid li { color:var(--muted); }
.tool-example { background:var(--cream); }
.tool-limit-grid { margin-top:20px; grid-template-columns:1fr 1fr; }
.tool-limit-grid ul { margin:0; padding-left:21px; }
.tool-limit-grid li { padding:5px 0; }
.tool-sources { max-width:900px; padding:5px 0 55px; }
.tool-sources>p { color:var(--muted); font-size:17px; }
.checklist-form fieldset { border:0; padding:0; }
.checklist-form legend { font-family:Georgia,serif; font-size:30px; margin-bottom:20px; }
.checklist-form label { display:flex; gap:12px; padding:14px; background:#fff; border-bottom:1px solid var(--line); }
.checklist-form input { width:22px; height:22px; accent-color:var(--teal); }
.tool-result.is-complete { background:#e3f4ed; color:#185e48; }
.certificate { background:#fff; border:8px double var(--teal); padding:40px; }
.certificate h2 { font-size:40px; }
.certificate dl>div { display:grid; grid-template-columns:150px 1fr; border-bottom:1px solid var(--line); padding:10px 0; }
.certificate dt { font-weight:700; }
.signature-lines { display:grid; grid-template-columns:1fr 1fr; gap:40px; margin-top:50px; }
.signature-lines span { border-top:1px solid var(--ink); padding-top:8px; }
.static-model { background:#fff; padding:30px; border-radius:7px; }
.static-model li { padding:8px 0; }

.trust-page>header,.search-page>header { max-width:900px; padding:40px 0 50px; }
.trust-sections { display:grid; grid-template-columns:1fr 1fr; gap:20px; padding-bottom:80px; }
.trust-sections section { border:1px solid var(--line); padding:30px; border-radius:7px; }
.trust-sections h2 { font-size:28px; }
.trust-links { display:flex; flex-wrap:wrap; gap:8px 18px; margin-top:18px; }
.trust-links a { color:var(--teal); font-size:14px; font-weight:700; text-decoration:underline; text-underline-offset:3px; }
.search-page header form>div { display:flex; }
.search-page header input { border-radius:5px 0 0 5px; }
.search-page header .button { border-radius:0 5px 5px 0; }
.empty-state { background:var(--cream); padding:30px; margin:30px 0 70px; }
.not-found { text-align:center; padding:100px 0; }
.not-found .button { margin:8px; }

@media (max-width:900px) {
  .hub-hero,.article-header,.tool-hero { grid-template-columns:1fr; gap:25px; }
  .hub-hero img,.article-header img,.tool-hero img { max-height:420px; }
  .article-layout { grid-template-columns:1fr; }
  .article-aside { position:static; display:grid; grid-template-columns:1fr 1fr; gap:16px; }
  .situation-grid>div,.resource-grid { grid-template-columns:1fr 1fr; }
  .field-grid { grid-template-columns:1fr 1fr; }
  .tool-detail-grid { grid-template-columns:1fr; }
}
@media (max-width:560px) {
  .content-shell { width:calc(100% - 32px); }
  .hub-hero h1,.article-header h1,.tool-hero h1,.trust-page h1,.search-page h1,.not-found h1 { font-size:42px; }
  .lead { font-size:17px; }
  .situation-grid>div,.resource-grid,.field-grid,.trust-sections,.article-aside { grid-template-columns:1fr; }
  .tool-limit-grid,.tool-formula { grid-template-columns:1fr; }
  .article-layout { padding-top:35px; }
  .article-body h2 { font-size:31px; }
  .article-body p,.article-body li { font-size:16px; }
  .direct-answer,.example-box,.tool-workspace { padding:22px; }
  .sources>a { display:block; }
  .sources>a span { display:block; text-align:left; margin-top:5px; }
  .search-dialog { padding:28px 20px; }
  .search-page header form>div { display:block; }
  .search-page header input,.search-page header .button { width:100%; border-radius:5px; }
  .search-page header .button { margin-top:8px; }
}

@media print {
  .site-header,.breadcrumbs,footer,.tool-caveat,.tool-method,.related-section,.document-form>.field-grid,.document-form>.button { display:none!important; }
  .content-shell,.tool-workspace { width:100%; margin:0; padding:0; border:0; background:#fff; }
  .tool-hero { display:none; }
  .document-preview { border:0; margin:0; }
}