/* Shared site navigation — mirrors the index.html header design.
   Self-contained (no dependency on page CSS variables) and scoped so it
   overrides per-page legacy header styles regardless of load order. */

body.menu-open{overflow:hidden}

.utility{
  position:relative;
  z-index:1100;
  background:#071d28;
  color:#c8d5db;
  font-size:.7rem;
  letter-spacing:.025em;
  font-family:Inter,Arial,Helvetica,sans-serif;
}
.utility .utility-inner{
  width:min(1140px,calc(100% - 42px));
  margin-inline:auto;
  min-height:37px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.utility .utility-left,.utility .utility-right{display:flex;align-items:center;gap:22px}
.utility .utility-item{display:flex;align-items:center;gap:8px}
.utility .utility-dot{
  width:6px;height:6px;border-radius:50%;
  background:#da7a22;
  box-shadow:0 0 0 4px rgba(218,122,34,.13);
}
.utility a{color:inherit;text-decoration:none}
.utility a:hover{color:#fff}

.site-header{
  position:sticky;
  z-index:1000;
  top:0;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid rgba(12,41,56,.11);
  backdrop-filter:blur(14px);
  font-family:Inter,Arial,Helvetica,sans-serif;
}
.site-header .nav-row{
  width:min(1140px,calc(100% - 42px));
  margin-inline:auto;
  min-height:80px;
  display:flex;
  align-items:center;
  gap:28px;
}
.site-header a{text-decoration:none;color:inherit}
.site-header .brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.site-header .brand-mark{
  width:45px;
  height:45px;
  display:grid;
  place-items:center;
  border-radius:13px;
  background:#fff;
  border:1px solid #d9e1e4;
  box-shadow:0 9px 22px rgba(12,41,56,.14);
  overflow:hidden;
}
.site-header .brand-mark img{width:100%;height:100%;display:block;object-fit:contain;padding:3px}
.site-header .brand-name{
  display:block;
  color:#0c2938;
  font-size:1.06rem;
  font-weight:950;
  letter-spacing:.06em;
  line-height:1;
}
.site-header .brand-sub{
  display:block;
  margin-top:5px;
  color:#6e7e86;
  font-size:.58rem;
  font-weight:800;
  letter-spacing:.12em;
  line-height:1;
  text-transform:uppercase;
}
.site-header .main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
  position:static;
  padding:0;
  border:0;
  background:transparent;
  box-shadow:none;
}
.site-header .main-nav > a,
.site-header .nav-dropdown > .nav-top{
  position:relative;
  padding:29px 0 27px;
  border:0;
  border-bottom:0;
  background:transparent;
  color:#28414c;
  font-size:.81rem;
  font-weight:850;
  cursor:pointer;
  font-family:inherit;
  text-decoration:none;
}
.site-header .main-nav > a::after,
.site-header .nav-dropdown > .nav-top::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:20px;
  height:2px;
  background:#da7a22;
  transition:right .2s ease;
}
.site-header .main-nav > a:hover::after,
.site-header .main-nav > a.active::after,
.site-header .nav-dropdown:hover > .nav-top::after{right:0}
.site-header .main-nav > a:hover,
.site-header .main-nav > a.active{color:#28414c}
.site-header .nav-dropdown{position:relative}
.site-header .nav-dropdown > .nav-top{display:flex;align-items:center;gap:6px}
.site-header .nav-dropdown > .nav-top span{font-size:.65rem;color:#77858c}
.site-header .mega{
  position:absolute;
  top:75px;
  left:50%;
  width:760px;
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:10px;
  padding:18px;
  border:1px solid #d9e1e4;
  border-radius:12px;
  background:#fff;
  box-shadow:0 28px 80px rgba(7,29,40,.17);
  opacity:0;
  visibility:hidden;
  transform:translate(-44%,-8px);
  transition:.2s ease;
}
.site-header .nav-dropdown:hover .mega{
  opacity:1;
  visibility:visible;
  transform:translate(-44%,0);
}
.site-header .mega-group{padding:12px}
.site-header .mega-group h4{
  margin:0 0 10px;
  color:#0c2938;
  font-size:.71rem;
  letter-spacing:.09em;
  text-transform:uppercase;
}
.site-header .mega-group a{
  display:block;
  padding:6px 0;
  color:#536770;
  font-size:.74rem;
}
.site-header .mega-group a:hover{color:#b75c12}
.site-header .nav-actions{display:flex;align-items:center;gap:9px}
.site-header .btn,
.mobile-menu .btn{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:0 17px;
  border:1px solid transparent;
  border-radius:7px;
  font-size:.84rem;
  font-weight:900;
  letter-spacing:.025em;
  box-shadow:none;
  white-space:nowrap;
  transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.site-header .btn:hover,
.mobile-menu .btn:hover{transform:translateY(-2px);box-shadow:none}
.site-header .btn-primary,
.mobile-menu .btn-primary{background:#da7a22;color:#fff}
.site-header .btn-primary:hover,
.mobile-menu .btn-primary:hover{background:#b75c12;color:#fff}
.site-header .btn-dark,
.mobile-menu .btn-dark{background:#0c2938;color:#fff}
.site-header .btn-dark:hover,
.mobile-menu .btn-dark:hover{background:#195266;color:#fff}
.site-header .menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  margin-left:auto;
  padding:0;
  border:1px solid #d9e1e4;
  border-radius:8px;
  background:#fff;
  cursor:pointer;
}
.site-header .menu-toggle span,
.site-header .menu-toggle span::before,
.site-header .menu-toggle span::after{
  width:20px;height:2px;display:block;position:relative;background:#0c2938;transition:.2s ease;
}
.site-header .menu-toggle span::before,
.site-header .menu-toggle span::after{content:"";position:absolute;left:0}
.site-header .menu-toggle span::before{top:-6px}
.site-header .menu-toggle span::after{top:6px}
.menu-open .site-header .menu-toggle span{background:transparent}
.menu-open .site-header .menu-toggle span::before{top:0;transform:rotate(45deg)}
.menu-open .site-header .menu-toggle span::after{top:0;transform:rotate(-45deg)}
.mobile-menu{
  display:none;
  position:fixed;
  inset:117px 0 0;
  z-index:999;
  padding:28px 20px 100px;
  background:#fff;
  overflow:auto;
  font-family:Inter,Arial,Helvetica,sans-serif;
}
.menu-open .mobile-menu{display:block}
.mobile-menu h4{
  margin:24px 0 6px;
  color:#b75c12;
  font-size:.69rem;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.mobile-menu a{
  display:block;
  padding:13px 0;
  border-bottom:1px solid #d9e1e4;
  color:#0c2938;
  font-size:.9rem;
  font-weight:820;
  text-decoration:none;
}
.mobile-menu .mobile-actions{display:grid;gap:10px;margin-top:24px}
.mobile-menu .mobile-actions a{border-bottom:0}

@media(max-width:1100px){
  .site-header .main-nav{gap:17px}
  .site-header .nav-actions .catalog{display:none}
}

@media(max-width:920px){
  .site-header .main-nav,
  .site-header .nav-actions{display:none}
  .site-header .menu-toggle{display:flex}
}

@media(max-width:650px){
  .utility .utility-inner,
  .site-header .nav-row{width:min(100% - 28px,1140px)}
  .utility .utility-left .utility-item:nth-child(n+2),
  .utility .utility-right a:first-child{display:none}
  .site-header .nav-row{min-height:70px}
  .mobile-menu{inset:107px 0 0}
  .site-header .brand-mark{width:40px;height:40px}
  .site-header .brand-name{font-size:.93rem}
  .site-header .brand-sub{font-size:.52rem}
}

/* Floating WhatsApp button — enlarged and unified across page templates.
   Overrides .whatsapp-float (assets/css/styles.css) and .float-whatsapp
   (inline styles on about/products/articles). */
@keyframes wa-pulse{
  0%{box-shadow:0 14px 34px rgba(18,140,126,.4),0 0 0 0 rgba(37,211,102,.55)}
  70%{box-shadow:0 14px 34px rgba(18,140,126,.4),0 0 0 20px rgba(37,211,102,0)}
  100%{box-shadow:0 14px 34px rgba(18,140,126,.4),0 0 0 0 rgba(37,211,102,0)}
}
a.whatsapp-float,
a.float-whatsapp{
  position:fixed;
  right:24px;
  bottom:24px;
  top:auto;
  z-index:990;
  display:grid;
  place-items:center;
  width:152px;
  height:152px;
  border-radius:50%;
  background:#25d366;
  color:#fff;
  transform:none;
  animation:wa-pulse 2.2s ease-out infinite;
  transition:transform .2s ease,background .2s ease;
}
a.whatsapp-float:hover,
a.float-whatsapp:hover{background:#1ebe5d;transform:translateY(-4px) scale(1.05)}
a.whatsapp-float svg,
a.float-whatsapp svg{width:84px;height:84px;fill:#fff}
.menu-open a.whatsapp-float,
.menu-open a.float-whatsapp{display:none}
@media(max-width:768px){
  a.whatsapp-float,a.float-whatsapp{right:16px;bottom:16px;width:128px;height:128px}
  a.whatsapp-float svg,a.float-whatsapp svg{width:72px;height:72px}
}
@media(prefers-reduced-motion:reduce){
  a.whatsapp-float,a.float-whatsapp{animation:none}
}

/* Classic brand lockup: plain logo, bold single-line name (no box, no subtitle) */
.site-header .brand-mark,
.mobile-menu .brand-mark{background:transparent;border:0;box-shadow:none;border-radius:0;width:50px;height:50px}
.site-header .brand-mark img{padding:0}
.site-header .brand-name{font-size:1.16rem}
.site-header .brand-sub{display:none}