:root {
  --fu-navy: #12264a;
  --fu-blue: #315fea;
  --fu-violet: #7756e8;
  --fu-bg: #f4f7fc;
  --fu-text: #172033;
  --fu-muted: #667085;
  --fu-border: #e4e9f2;
  --fu-white: #fff;
  --fu-radius: 18px;
  --fu-shadow: 0 18px 45px rgba(18, 38, 74, .10);
  --fu-container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--fu-text); background: var(--fu-bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: var(--fu-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.fu-container { width: min(calc(100% - 32px), var(--fu-container)); margin-inline: auto; }
.fu-site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); border-bottom: 1px solid var(--fu-border); }
.admin-bar .fu-site-header { top: 32px; }
.fu-header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.fu-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fu-navy); font-weight: 800; font-size: 22px; }
.fu-brand:hover { text-decoration: none; }
.fu-brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; color: #fff; background: linear-gradient(135deg, var(--fu-blue), var(--fu-violet)); }
.custom-logo { max-height: 48px; width: auto; }
.fu-primary-nav ul { display: flex; align-items: center; gap: 24px; padding: 0; margin: 0; list-style: none; }
.fu-primary-nav a { color: var(--fu-text); font-weight: 600; font-size: 14px; }
.fu-primary-nav .current-menu-item > a { color: var(--fu-blue); }
.fu-menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--fu-border); background: #fff; border-radius: 12px; padding: 10px; }
.fu-menu-toggle span:not(.screen-reader-text) { display: block; height: 2px; background: var(--fu-navy); margin: 5px 0; }
.fu-site-content { min-height: 65vh; }
.fu-content-wrap { padding-block: 48px; }
.fu-article-card { background: #fff; border: 1px solid var(--fu-border); border-radius: var(--fu-radius); box-shadow: var(--fu-shadow); padding: clamp(24px, 4vw, 48px); }
.fu-site-footer { color: rgba(255,255,255,.82); background: var(--fu-navy); margin-top: 72px; padding: 56px 0 24px; }
.fu-site-footer strong { color: #fff; font-size: 22px; }
.fu-footer-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; }
.fu-footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 20px; justify-content: flex-end; }
.fu-footer-grid a { color: #fff; }
.fu-footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.14); margin-top: 36px; padding-top: 20px; font-size: 13px; }
.fu-empty-page { text-align: center; padding: 110px 0; }
.fu-empty-code { display: block; font-size: clamp(80px, 15vw, 160px); font-weight: 900; line-height: 1; background: linear-gradient(135deg, var(--fu-blue), var(--fu-violet)); -webkit-background-clip: text; color: transparent; }
.fu-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 12px; color: #fff; background: linear-gradient(135deg, var(--fu-blue), var(--fu-violet)); font-weight: 700; }
.fu-button:hover { color: #fff; text-decoration: none; transform: translateY(-1px); }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 782px) {
  .admin-bar .fu-site-header { top: 46px; }
  .fu-menu-toggle { display: block; }
  .fu-primary-nav { display: none; position: absolute; top: calc(100% + 1px); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--fu-border); padding: 20px 16px; box-shadow: 0 16px 30px rgba(18,38,74,.10); }
  .fu-primary-nav.is-open { display: block; }
  .fu-primary-nav ul { align-items: stretch; flex-direction: column; gap: 6px; }
  .fu-primary-nav a { display: block; padding: 10px 12px; border-radius: 10px; }
  .fu-footer-grid { grid-template-columns: 1fr; }
  .fu-footer-grid ul { justify-content: flex-start; }
  .fu-footer-bottom { flex-direction: column; }
}
.fu-brand-wrap { display: flex; align-items: center; }
.fu-brand-wrap .custom-logo-link { display: inline-flex; align-items: center; }