/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  color: var(--color-primary);
}

.logo:hover {
  color: var(--color-primary);
}

.logo img {
  width: auto;
  height: 52px;
  max-width: min(200px, 42vw);
  object-fit: contain;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo__zh {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.logo__en {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.nav {
  display: none;
  align-items: center;
  gap: 0.15rem;
}

.nav a {
  padding: 0.45rem 0.7rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav a:hover,
.nav a.is-active {
  color: var(--color-primary);
  background: var(--color-bg-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-actions .btn {
  display: none;
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.mobile-nav a:hover,
.mobile-nav a.is-active {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

@media (min-width: 1100px) {
  .nav {
    display: flex;
  }

  .header-actions .btn {
    display: inline-flex;
  }

  .js-compare-count:not([hidden]) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.25rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: var(--color-accent);
    color: #1E2A36;
    font-size: 0.7rem;
    font-weight: 700;
  }

  .nav-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.88);
  padding: 3.5rem 0 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.88);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  padding-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

.footer__brand .logo img {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
}

.footer__brand p {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
}

.footer__col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer__col li,
.footer__contact li {
  font-size: 0.9375rem;
}

.footer__contact li {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.25rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer__licenses {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.5rem 0 1.25rem;
}

.footer__licenses h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer__licenses-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .footer__licenses-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer__license {
  background: rgba(255, 255, 255, 0.06);
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  min-height: 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}

.footer__license-title {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__license-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}

/* Floating actions */
.float-actions {
  position: fixed;
  right: 1rem;
  bottom: 1.25rem;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), background var(--transition);
}

.float-btn:hover {
  transform: translateY(-2px);
}

.float-btn--wa {
  background: #25d366;
  color: #fff;
}

.float-btn--phone {
  background: var(--color-primary);
  color: #fff;
}

.float-btn--top {
  background: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.float-btn--top.is-visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.float-btn svg {
  width: 22px;
  height: 22px;
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  padding: 3rem 0 2.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(246, 164, 0, 0.25), transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(255, 255, 255, 0.12), transparent 40%);
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb span[aria-hidden="true"] {
  opacity: 0.5;
}