:root {
  --color-bg-primary: #222C35;
  --color-bg-surface: #2E3B48;
  --color-bg-surface-2: #384857;
  --color-bg-pressed: #181F25;
  --color-accent: #2A415B;
  --color-accent-hover: #375577;
  --color-text-primary: #F2F1EE;
  --color-text-muted: #C6CAC3;
  --color-secondary-100: #AAAEB2;
  --color-secondary-300: #6B6F73;
  --space-1: 8px; --space-2: 16px; --space-3: 24px; --space-4: 32px;
  --space-6: 48px; --space-8: 64px; --space-12: 96px;
  --container-max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--color-bg-primary); color: var(--color-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Playfair Display", Georgia, serif; font-weight: 600; margin: 0; color: var(--color-text-primary); }
h1 { font-size: 46px; line-height: 1.15; }
h2 { font-size: 30px; line-height: 1.2; }
p { margin: 0; color: var(--color-text-muted); }
a { color: inherit; text-decoration: none; }
.small { font-size: 13px; font-weight: 500; line-height: 1.4; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-4); }

/* Nav (matches main site) */
.nav { background: var(--color-bg-primary); border-bottom: 1px solid rgba(242,241,238,.08); position: sticky; top: 0; z-index: 20; }
.nav.is-stuck { background: rgba(34,44,53,.96); backdrop-filter: blur(6px); box-shadow: 0 2px 12px rgba(0,0,0,.25); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) var(--space-4); max-width: var(--container-max); margin: 0 auto; min-height: 64px; }
.site-logo { display: flex; align-items: center; gap: 10px; height: 40px; flex-shrink: 0; }
.site-logo svg { height: 36px; width: auto; flex-shrink: 0; }
.site-logo span { font-family: 'Playfair Display', serif; font-size: 18px; font-weight: 700; color: var(--color-text-primary); line-height: 1.1; white-space: nowrap; }
.logo-short { display: none; }
.nav-links { display: flex; gap: var(--space-4); list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--color-text-primary); padding: var(--space-1) 0; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a:focus-visible { border-bottom-color: var(--color-accent-hover); }
.nav-toggle { display: none; background: none; border: 1px solid var(--color-text-primary); border-radius: 4px; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--color-text-primary); cursor: pointer; }
.nav-toggle svg { width: 20px; height: 20px; }
.nav-right { display: flex; align-items: center; gap: var(--space-4); }
.nav-phone { display: flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 600; color: var(--color-text-primary); white-space: nowrap; flex-shrink: 0; }
.nav-phone svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--color-secondary-100); }
.nav-phone:hover, .nav-phone:focus-visible { color: var(--color-accent-hover); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 16px 32px; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: pointer; border: none; }
.btn-primary { background: var(--color-accent); color: var(--color-text-primary); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--color-accent-hover); }
.btn-secondary { background: transparent; color: var(--color-text-primary); border: 1px solid var(--color-text-primary); }
.btn-secondary:hover, .btn-secondary:focus-visible { background: rgba(242,241,238,.08); }

/* Hero */
.page-hero { text-align: center; padding: var(--space-12) 0 var(--space-6); }
.page-hero .container { max-width: 820px; display: flex; flex-direction: column; align-items: center; gap: var(--space-3); }
.page-hero p.lede { font-size: 18px; max-width: 640px; }
.breadcrumb { font-size: 13px; color: var(--color-secondary-100); }
.breadcrumb a { color: var(--color-secondary-100); }
.breadcrumb a:hover { color: var(--color-text-primary); }
.post-meta { font-size: 14px; color: var(--color-secondary-100); display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; }
.post-meta .cat { color: var(--color-text-primary); }

/* Article */
section { padding: var(--space-6) 0; }
.article { max-width: 760px; margin: 0 auto; }
.article > p.lead { font-size: 19px; line-height: 1.65; color: var(--color-text-primary); margin-bottom: var(--space-4); }
.article h2 { margin: var(--space-6) 0 var(--space-2); }
.article p { margin-bottom: var(--space-2); }
.article ul, .article ol { color: var(--color-text-muted); margin: 0 0 var(--space-3); padding-left: 1.3em; display: flex; flex-direction: column; gap: 10px; }
.article li strong { color: var(--color-text-primary); }
.article a.inline { color: var(--color-text-primary); text-decoration: underline; text-underline-offset: 3px; }
.callout { background: var(--color-bg-surface); border: 1px solid rgba(170,174,178,.25); border-radius: 8px; padding: var(--space-4); text-align: center; margin: var(--space-6) auto 0; max-width: 760px; }
.callout h2 { margin: 0 0 var(--space-1); font-size: 26px; }
.callout .hero-ctas { display: flex; gap: var(--space-2); justify-content: center; margin-top: var(--space-3); flex-wrap: wrap; }
.disclaimer { max-width: 760px; margin: var(--space-3) auto 0; font-size: 13px; color: var(--color-secondary-100); text-align: center; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-2); }
.faq-item { background: var(--color-bg-surface); border: 1px solid rgba(170,174,178,.25); border-radius: 6px; padding: var(--space-3) var(--space-4); }
.faq-item summary { cursor: pointer; font-family: "Playfair Display", Georgia, serif; font-size: 18px; font-weight: 600; color: var(--color-text-primary); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; font-family: -apple-system, sans-serif; font-size: 22px; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin-top: var(--space-2); margin-bottom: 0; }

/* Cards / grids */
.type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.post-card { background: var(--color-bg-surface); border: 1px solid rgba(170,174,178,.25); border-radius: 8px; padding: var(--space-3); display: flex; flex-direction: column; gap: 10px; transition: background .15s ease, border-color .15s ease; }
.post-card:hover, .post-card:focus-visible { background: var(--color-bg-surface-2); border-color: var(--color-secondary-100); }
.post-card .cat { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--color-secondary-100); }
.post-card h3 { font-size: 20px; line-height: 1.25; }
.post-card p { font-size: 14px; }
.post-card .when { font-size: 13px; color: var(--color-secondary-100); margin-top: auto; }
.related h2 { text-align: center; margin-bottom: var(--space-4); font-size: 26px; }
.empty-note { text-align: center; max-width: 560px; margin: 0 auto; }

/* Footer */
footer { background: var(--color-bg-primary); border-top: 1px solid rgba(242,241,238,.08); padding: var(--space-8) 0 var(--space-4); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); text-align: center; }
.footer-inner .company-name { font-family: "Playfair Display", Georgia, serif; font-size: 22px; font-weight: 600; color: var(--color-text-primary); }
.footer-contact { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; color: var(--color-text-muted); font-size: 15px; }
.footer-contact a { color: inherit; text-decoration: none; border-bottom: 1px solid transparent; }
.footer-contact a:hover, .footer-contact a:focus-visible { color: var(--color-text-primary); border-bottom-color: var(--color-secondary-100); }
.footer-links { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--color-text-muted); font-size: 14px; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--color-text-primary); }
.copyright { color: var(--color-secondary-100); font-size: 13px; margin-top: var(--space-2); }

@media (max-width: 768px) {
  h1 { font-size: 32px; } h2 { font-size: 24px; }
  section { padding: var(--space-6) 0; }
  .container { padding: 0 var(--space-3); }
  .nav-links { display: none; } .nav-toggle { display: flex; }
  .site-logo span { font-size: 16px; } .logo-full { display: none; } .logo-short { display: inline; }
  .nav-inner { padding: var(--space-2) var(--space-3); } .nav-right { gap: var(--space-2); }
  .nav-phone { font-size: 13px; gap: 4px; } .nav-phone svg { width: 15px; height: 15px; }
  .nav.is-open .nav-links { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg-primary); border-bottom: 1px solid rgba(242,241,238,.08); padding: var(--space-3) var(--space-4); gap: var(--space-2); z-index: 30; }
  .type-grid { grid-template-columns: 1fr; }
  .callout { padding: var(--space-3); }
  .callout .hero-ctas { flex-direction: column; } .callout .hero-ctas .btn { width: 100%; }
  .faq-item { padding: var(--space-2) var(--space-3); }
}
@media (min-width: 769px) and (max-width: 1024px) { .type-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 280px) { .nav-phone .phone-number { display: none; } }

/* Worked-example table */
.article table.calc { width: 100%; border-collapse: collapse; margin: 0 0 var(--space-3); background: var(--color-bg-surface); border: 1px solid rgba(170,174,178,.25); border-radius: 8px; overflow: hidden; }
.article table.calc td { padding: 12px 16px; border-bottom: 1px solid rgba(170,174,178,.18); font-size: 15px; color: var(--color-text-muted); }
.article table.calc td.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.article table.calc tr.sum td { color: var(--color-text-primary); font-weight: 600; background: var(--color-bg-surface-2); }
.article table.calc tr.range td { color: var(--color-text-primary); font-weight: 600; }
.article table.calc tr:last-child td { border-bottom: none; }
@media (max-width: 768px) { .article table.calc td { padding: 10px 12px; font-size: 14px; } }

.article p.short { background: var(--color-bg-surface); border-left: 3px solid var(--color-accent-hover); padding: var(--space-2) var(--space-3); border-radius: 0 6px 6px 0; color: var(--color-text-primary); }
.article p.inline-cta { background: var(--color-bg-surface); border: 1px solid rgba(170,174,178,.25); border-radius: 6px; padding: var(--space-2) var(--space-3); color: var(--color-text-primary); }

.author-box { max-width: 760px; margin: var(--space-6) auto 0; padding: var(--space-3); border: 1px solid rgba(170,174,178,.25); border-radius: 8px; background: var(--color-bg-surface); display: flex; flex-direction: column; gap: 4px; }
.author-box strong { font-family: "Playfair Display", Georgia, serif; font-size: 20px; color: var(--color-text-primary); }
.author-box span { font-size: 14px; color: var(--color-secondary-100); }
.author-box p { margin-top: var(--space-1); font-size: 15px; }