body {
  font-family: 'Inter', sans-serif;
  background-color: #f9fafb;
  color: #1f2937;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: 220ms ease both vt-fade-out;
}

::view-transition-new(root) {
  animation: 220ms ease both vt-fade-in;
}

@keyframes vt-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes vt-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

html {
  scroll-behavior: smooth;
}

.catalog-hero-photo {
  background-image: linear-gradient(rgba(30, 41, 59, 0.2), rgba(30, 41, 59, 0.2)), url('../img/obras/instalacao-drenagem.webp');
}

.glass-nav {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  transition: background-color 380ms cubic-bezier(0.22, 1, 0.36, 1),
              border-color 380ms cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 380ms cubic-bezier(0.22, 1, 0.36, 1),
              backdrop-filter 380ms cubic-bezier(0.22, 1, 0.36, 1);
}

.glass-nav.scrolled {
  background: #ffffff;
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.10);
  border-bottom-color: transparent;
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
  box-shadow: none;
}

.site-logo-icon,
.site-logo-text,
.site-logo-brand,
.site-logo-accent,
.site-nav-link,
.site-nav-cta,
.site-menu-toggle {
  transition: color 320ms ease, background-color 320ms ease, border-color 320ms ease, box-shadow 320ms ease;
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-logo-icon,
.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-logo-text,
.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-menu-toggle {
  color: #ffffff;
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-logo-brand {
  color: #f4c522;
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-nav-link {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.28);
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-nav-link:hover {
  color: #f4c522;
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-nav-cta {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.glass-nav--overlay:not(.scrolled):not(.menu-open) .site-nav-cta:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #ffffff;
}

.glass-nav.menu-open {
  background: #ffffff;
  border-bottom-color: rgba(0, 0, 0, 0.06);
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mobile-nav-panel {
  top: 100%;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  pointer-events: none;
  transform: translateY(-10px);
  transform-origin: top center;
  transition: max-height 420ms cubic-bezier(0.22, 1, 0.36, 1),
              opacity 240ms ease,
              transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
              visibility 0s linear 420ms;
}

.mobile-nav-panel.is-open {
  max-height: 360px;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

@media (max-width: 767px) {
  .site-nav-inner {
    height: 64px;
  }

  .site-logo {
    gap: 9px;
  }

  .site-logo-icon {
    font-size: 1.55rem;
  }

  .site-logo-text {
    font-size: 1.28rem;
    line-height: 1;
  }

  .site-logo-accent {
    height: 3px;
    margin-top: 3px;
  }

  .site-menu-toggle {
    width: 44px;
    height: 44px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }

  .site-menu-toggle #menu-icon {
    font-size: 1.4rem;
  }

  main.pt-20 {
    padding-top: 64px;
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #086e33;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #065024;
}

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 24px;
  z-index: 1000;
  width: 56px;
  height: 56px;
  background-color: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 30px;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.5);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.65);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}