/* Shared HUIJIA identity. Load after the base stylesheet and page styles. */
:root {
  --huijia-accent: #db5d46;
  --huijia-accent-ink: #b83c29;
  --huijia-accent-dark: #c44733;
  --huijia-shell-ink: #ffffff;
  --huijia-shell-muted: #cccccc;
  --huijia-shell-line: #333333;
  --accent: var(--huijia-accent-ink);
  --accent-dark: var(--huijia-accent-dark);
  --brand-green: var(--huijia-accent);
  --brand-green-dark: var(--huijia-accent-dark);
}

.topbar {
  min-height: 28px;
  background: #000000;
  border-bottom: 0;
  color: #cccccc;
  font-size: 11px;
  line-height: 1.4;
}
.topbar .container,
.evidence-page .topbar .container,
.site-header .container.nav-row,
footer .container.footer-main,
footer .container.footer-capabilities,
footer .container.footer-bottom {
  width: min(1240px, calc(100% - 48px));
}
.topbar .container { min-height: 28px; }
.topbar .promo { color: #cccccc; font-size: 11px; letter-spacing: .35px; }
.topbar b { color: #ffffff; font-weight: 600; }
.topbar .toplinks { gap: 22px; font-size: 11px; letter-spacing: .1px; }

.site-header {
  background: #000000;
  color: var(--huijia-shell-ink);
  box-shadow: 0 1px 0 #333333;
}
.site-header .nav-row { min-height: 80px; gap: 28px; }
.site-header .brand,
footer .brand {
  min-width: 0;
  gap: 10px;
  color: var(--huijia-shell-ink);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .15px;
  white-space: nowrap;
}
.site-header .brand { flex-shrink: 0; }
.site-header .brand-logo,
footer .brand-logo {
  width: 42px;
  height: 42px;
  flex-basis: 42px;
  border-radius: 50%;
  background: #ffffff;
}
.site-header .brand span:last-child,
footer .brand span:last-child { display: block; }
.site-header .brand small { display: none; }
.site-header .main-nav {
  gap: 25px;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
}
.site-header .main-nav > a {
  display: flex;
  align-items: center;
  min-height: 80px;
  padding: 24px 0;
  color: #ffffff;
  white-space: nowrap;
  text-decoration: none;
}
.site-header .main-nav > a:hover,
.site-header .main-nav > a[aria-current="page"] {
  color: var(--huijia-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 7px;
}
.site-header .main-nav .nav-dropdown > summary {
  min-height: 80px;
  padding: 24px 0;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
}
.site-header .main-nav .nav-dropdown[open] > summary,
.site-header .main-nav .nav-dropdown > summary:hover { color: var(--huijia-accent); }
.site-header .main-nav .nav-dropdown-menu {
  left: -20px;
  width: 224px;
  padding: 8px 0;
  border: 1px solid #333333;
  border-radius: 3px;
  background: #111111;
  box-shadow: 0 12px 24px rgb(0 0 0 / 20%);
}
.site-header .main-nav .nav-dropdown-menu a {
  padding: 12px 20px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
}
.site-header .main-nav .nav-dropdown-menu a:hover {
  background: #222222;
  color: var(--huijia-accent);
}
.site-header .nav-actions { gap: 12px; margin-left: auto; flex-shrink: 0; }
.site-header .nav-actions .btn { min-height: 42px; padding: 0 18px; font-size: 13px; border-radius: 3px; }
.site-header .icon-btn {
  width: 44px;
  height: 44px;
  border: 1px solid #444444;
  border-radius: 3px;
  background: #111111;
  color: #ffffff;
  font-size: 22px;
}
.site-header .icon-btn:hover { background: #222222; border-color: var(--huijia-accent); }

.btn,
.home-page .btn {
  min-height: 46px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn.btn-primary,
.home-page .btn.btn-primary,
.evidence-page .evidence-hero .btn-primary,
.evidence-page .seo-cta .btn-primary {
  border-color: var(--huijia-accent);
  background: var(--huijia-accent);
  color: #111111;
}
.btn.btn-primary:hover,
.home-page .btn.btn-primary:hover,
.evidence-page .evidence-hero .btn-primary:hover,
.evidence-page .seo-cta .btn-primary:hover {
  transform: none;
  border-color: var(--huijia-accent-dark);
  background: var(--huijia-accent-dark);
  color: #ffffff;
}
.product-commerce-cta .btn.btn-primary,
.evidence-page .seo-cta .btn.btn-primary {
  border-color: #111111;
  background: #111111;
  color: #ffffff;
}
.product-commerce-cta .btn.btn-primary:hover,
.evidence-page .seo-cta .btn.btn-primary:hover {
  border-color: #000000;
  background: #000000;
  color: #ffffff;
}
.btn.btn-outline { border-color: #bcbcbc; color: #292929; background: #ffffff; }
.btn.btn-outline:hover { border-color: var(--huijia-accent-ink); color: var(--huijia-accent-ink); background: #ffffff; }
.btn:focus-visible,
.site-header :focus-visible,
.site-header .main-nav .nav-dropdown > summary:focus-visible,
footer a:focus-visible {
  outline: 2px solid var(--huijia-accent);
  outline-offset: 4px;
}
.product-commerce-cta .btn:focus-visible,
.evidence-page .seo-cta .btn:focus-visible { outline-color: #111111; }

footer {
  border-top: 1px solid #333333;
  background: #000000;
  color: #cccccc;
}
footer .footer-main {
  grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr));
  gap: 36px;
  padding: 58px 0 42px;
}
footer .footer-brand .brand { margin-bottom: 20px; }
footer .brand small { margin-top: 7px; color: #aaaaaa; font-size: 9px; font-weight: 500; letter-spacing: .55px; }
footer .footer-brand > p { max-width: 275px; color: #cccccc; font-size: 14px; line-height: 1.75; }
footer h4 { margin-bottom: 18px; color: #ffffff; font-size: 13px; font-weight: 700; letter-spacing: .55px; }
footer p,
footer a { color: #cccccc; font-size: 13px; line-height: 1.65; }
footer .footer-contact { gap: 10px; margin-top: 19px; }
footer .footer-contact a { color: #ffffff; font-size: 13px; overflow-wrap: anywhere; }
footer .footer-contact span { color: #aaaaaa; font-size: 10px; font-weight: 500; letter-spacing: .65px; }
footer .footer-links { gap: 12px; }
footer .footer-links a { max-width: 100%; line-height: 1.6; }
footer .footer-links a:hover,
footer .footer-contact a:hover,
footer .footer-bottom a:hover,
footer .footer-legal a:hover {
  color: var(--huijia-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
footer .footer-capabilities {
  justify-content: flex-start;
  gap: 36px;
  padding: 21px 0;
  border-color: #333333;
  color: #bbbbbb;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .25px;
}
footer .footer-capabilities span::before { color: var(--huijia-accent); }
footer .footer-bottom {
  min-height: 72px;
  padding: 20px 72px 20px 0;
  border-color: #333333;
  color: #aaaaaa;
  font-size: 12px;
  line-height: 1.6;
}
footer .footer-legal { gap: 22px; }
footer .footer-legal a { color: #cccccc; font-size: 12px; }

.whatsapp { width: 56px; height: 56px; box-shadow: 0 4px 15px rgb(0 0 0 / 14%); }
.whatsapp::before,
.whatsapp::after { content: none; animation: none; }
.whatsapp:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgb(0 0 0 / 18%); }
.whatsapp:active { transform: none; }
.whatsapp svg { width: 30px; height: 30px; fill: currentColor; }
.whatsapp img { width: 38px; height: 38px; }
.modal-box { max-height: calc(100vh - 40px); max-height: calc(100dvh - 40px); overflow-y: auto; }

@media (max-width: 1100px) {
  .site-header .nav-row { min-height: 76px; }
  .site-header .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 12px 24px 24px;
    gap: 0;
    align-items: stretch;
    background: #000000;
    box-shadow: 0 12px 20px rgb(0 0 0 / 20%);
    max-height: calc(100dvh - 104px);
    overflow-y: auto;
  }
  .site-header .main-nav.open { display: flex; }
  .site-header .main-nav > a { min-height: 48px; padding: 13px 0; border-color: #333333; font-size: 15px; }
  .site-header .main-nav .nav-dropdown > summary { min-height: 48px; padding: 13px 0; font-size: 15px; }
  .site-header .main-nav .nav-dropdown-menu {
    position: static;
    width: 100%;
    margin: 3px 0 0;
    padding: 4px 0;
    border: 0;
    border-left: 2px solid var(--huijia-accent);
    border-radius: 0;
    background: #111111;
    box-shadow: none;
  }
  .site-header .main-nav .nav-dropdown-menu a { padding: 12px 18px; font-size: 14px; }
  .site-header .mobile-toggle { display: block; }
  footer .footer-main { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 34px; }
  footer .footer-brand { grid-column: 1 / -1; }
  footer .footer-brand > p { max-width: 460px; }
}

@media (max-width: 720px) {
  .topbar .container,
  .evidence-page .topbar .container,
  .site-header .container.nav-row,
  footer .container.footer-main,
  footer .container.footer-capabilities,
  footer .container.footer-bottom { width: calc(100% - 36px); }
  .topbar .container { min-height: 28px; justify-content: center; }
  .topbar .promo { font-size: 10px; letter-spacing: .1px; text-align: center; }
  .topbar .toplinks { display: none; }
  .site-header .nav-row { min-height: 70px; gap: 12px; }
  .site-header .brand { font-size: 20px; gap: 8px; }
  .site-header .brand-logo { width: 40px; height: 40px; flex-basis: 40px; }
  .site-header .nav-actions .btn { display: none; }
  .site-header .main-nav { padding: 8px 18px 22px; max-height: calc(100dvh - 98px); }
  footer .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 24px; padding: 42px 0 34px; }
  footer .footer-brand .brand { margin-bottom: 17px; }
  footer h4 { margin-bottom: 15px; font-size: 13px; }
  footer .footer-links { gap: 10px; }
  footer .footer-links a { font-size: 13px; line-height: 1.6; }
  footer .footer-capabilities { gap: 13px 24px; padding: 23px 0; font-size: 10px; }
  footer .footer-bottom { min-height: 0; flex-direction: column; align-items: flex-start; gap: 13px; padding: 24px 0 86px; }
  footer .footer-legal { gap: 20px; }
  .whatsapp { right: 16px; bottom: 16px; width: 52px; height: 52px; }
  .whatsapp svg { width: 29px; height: 29px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-header a,
  .btn,
  .whatsapp { transition: none; }
}