.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  height: var(--fx-header-height);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(228, 232, 239, 0.88);
  box-shadow: 0 5px 18px rgba(7, 20, 47, 0.04);
  backdrop-filter: blur(14px);
}

.site-header__bar {
  display: flex;
  height: 100%;
  align-items: center;
  gap: 28px;
}

.site-brand {
  display: inline-flex;
  width: 238px;
  flex: 0 0 auto;
  align-items: center;
}

.site-brand img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 1.15vw, 20px);
}

.site-nav > a:not(.button):not(.site-nav__whatsapp) {
  position: relative;
  padding-block: 26px;
  color: var(--fx-ink);
  font-size: clamp(0.75rem, 0.9vw, 0.88rem);
  font-weight: 700;
  white-space: nowrap;
}

.site-nav > a:not(.button):not(.site-nav__whatsapp)::after {
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--fx-orange-500);
  transform: scaleX(0);
  transition: transform var(--fx-transition);
}

.site-nav > a:hover::after,
.site-nav > a.is-active::after {
  transform: scaleX(1) !important;
}

.site-nav__login {
  color: var(--fx-navy-900) !important;
}

.site-nav__assessment {
  min-height: 42px;
  padding: 10px 15px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.site-nav__whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--fx-green-600);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.site-nav__whatsapp span:first-child {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  color: var(--fx-white);
  background: var(--fx-green-600);
  border-radius: 50%;
  font-size: 0.62rem;
}

.site-header__mobile-actions {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 8px;
}

.mobile-contact-action,
.mobile-menu-button {
  min-height: 42px;
  padding: 9px 12px;
  color: var(--fx-navy-950);
  background: var(--fx-white);
  border: 1px solid var(--fx-line);
  border-radius: 9px;
  font-size: 0.78rem;
  font-weight: 800;
}

.mobile-menu-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mobile-menu-button__icon {
  display: grid;
  width: 18px;
  gap: 3px;
}

.mobile-menu-button__icon i {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--fx-transition), opacity var(--fx-transition);
}

@media (max-width: 1180px) {
  .site-header__bar { gap: 18px; }
  .site-brand { width: 205px; }
  .site-nav { gap: 10px; }
  .site-nav__whatsapp span:last-child { display: none; }
}

@media (max-width: 1100px) {
  .site-header {
    height: 70px;
    backdrop-filter: none;
  }
  .site-header__bar { position: relative; }
  .site-brand { width: 196px; }
  .site-header__mobile-actions { display: flex; }
  .site-nav {
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 0;
    display: flex;
    width: min(390px, 92vw);
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 18px 20px 34px;
    overflow-y: auto;
    background: var(--fx-white);
    box-shadow: -18px 24px 50px rgba(7, 20, 47, 0.16);
    flex-direction: column;
    transform: translateX(110%);
    visibility: hidden;
    transition: transform 240ms ease, visibility 240ms ease;
  }
  .site-header.is-menu-open .site-nav {
    transform: translateX(0);
    visibility: visible;
  }
  .site-header.is-menu-open::after {
    position: fixed;
    z-index: -1;
    inset: 70px 0 0;
    content: "";
    background: rgba(7, 20, 47, 0.5);
  }
  .site-nav > a:not(.button):not(.site-nav__whatsapp) {
    padding: 14px 5px;
    border-bottom: 1px solid var(--fx-line);
    font-size: 0.96rem;
  }
  .site-nav > a:not(.button):not(.site-nav__whatsapp)::after { display: none; }
  .site-nav__assessment { margin-top: 20px; }
  .site-nav__whatsapp {
    justify-content: center;
    margin-top: 10px;
    padding: 11px;
    background: var(--fx-green-100);
    border-radius: var(--fx-radius-sm);
  }
  .site-nav__whatsapp span:last-child { display: inline; }
  .site-header.is-menu-open .mobile-menu-button__icon i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
  .site-header.is-menu-open .mobile-menu-button__icon i:nth-child(2) { opacity: 0; }
  .site-header.is-menu-open .mobile-menu-button__icon i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
}

@media (max-width: 430px) {
  .site-header__bar { gap: 7px; padding-inline: 12px; }
  .site-brand { width: clamp(132px, 39vw, 158px); min-width: 0; }
  .site-header__mobile-actions { min-width: 0; gap: 6px; }
  .mobile-contact-action,
  .mobile-menu-button { min-height: 40px; padding-inline: 8px; }
}

@media (max-width: 360px) {
  .mobile-contact-action { display: none; }
  .site-brand { width: min(158px, 56vw); }
}