/* =============================================
   TOP BAR
   ============================================= */
#gs-topbar {
  background: var(--gs-azul-oscuro);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-family: var(--gs-font-titulo);
  padding: 8px 0;
}

.gs-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.gs-topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.gs-topbar-item a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  transition: color 0.2s;
}
.gs-topbar-item a:hover { color: var(--gs-turquesa); }

.gs-topbar-note {
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

/* =============================================
   HEADER STICKY
   ============================================= */
#gs-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--gs-blanco);
  border-bottom: 1px solid rgba(0, 119, 182, 0.08);
  box-shadow: 0 2px 8px rgba(2, 48, 71, 0.05);
  transition: box-shadow 0.3s;
}

#gs-header.scrolled {
  box-shadow: 0 4px 24px rgba(2, 48, 71, 0.12);
}

.gs-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 24px;
  max-width: var(--gs-container);
  margin: 0 auto;
}

/* Logo */
.gs-logo { flex-shrink: 0; display: flex; align-items: center; }
.gs-logo img { max-height: 58px; width: auto; }
.gs-logo-text {
  font-family: var(--gs-font-titulo);
  font-size: 20px;
  font-weight: 700;
  color: var(--gs-azul-oscuro);
  line-height: 1.2;
}
.gs-logo-text strong { color: var(--gs-azul-medico); }
.gs-logo-text small  { font-size: 11px; font-weight: 400; color: var(--gs-gris-texto); letter-spacing: 0.06em; }

/* Menú desktop */
#gs-nav { flex: 1; display: flex; justify-content: center; }

.gs-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.gs-menu li a {
  display: block;
  padding: 8px 14px;
  font-family: var(--gs-font-titulo);
  font-size: 14px;
  font-weight: 600;
  color: var(--gs-azul-oscuro);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.gs-menu li a:hover,
.gs-menu li.current-menu-item a { color: var(--gs-azul-medico); background: rgba(0, 119, 182, 0.07); }

/* Botón WhatsApp en header */
.gs-header-wa {
  flex-shrink: 0;
  font-size: 14px;
  padding: 10px 20px;
}

/* Hamburger */
#gs-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
}

.gs-hamburger,
.gs-hamburger::before,
.gs-hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gs-azul-oscuro);
  border-radius: 2px;
  transition: all 0.3s;
}
.gs-hamburger { position: relative; }
.gs-hamburger::before,
.gs-hamburger::after { content: ''; position: absolute; left: 0; }
.gs-hamburger::before { top: -7px; }
.gs-hamburger::after  { top: 7px; }

#gs-nav-toggle[aria-expanded="true"] .gs-hamburger { background: transparent; }
#gs-nav-toggle[aria-expanded="true"] .gs-hamburger::before { transform: rotate(45deg); top: 0; }
#gs-nav-toggle[aria-expanded="true"] .gs-hamburger::after  { transform: rotate(-45deg); top: 0; }

/* =============================================
   RESPONSIVE HEADER
   ============================================= */
@media (max-width: 900px) {
  .gs-header-wa span:not(.gs-btn svg) { display: none; }
}

@media (max-width: 768px) {
  .gs-topbar-note { display: none; }

  #gs-nav-toggle { display: block; }
  .gs-header-wa  { display: none; }

  #gs-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--gs-blanco);
    border-top: 1px solid var(--gs-gris-light);
    box-shadow: 0 8px 24px rgba(2, 48, 71, 0.12);
    padding: 16px;
    justify-content: flex-start;
  }

  #gs-nav.gs-nav--open { display: flex; }

  .gs-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
  }

  .gs-menu li { width: 100%; }
  .gs-menu li a { display: block; padding: 12px 16px; font-size: 16px; border-radius: 10px; }
}

@media (max-width: 480px) {
  .gs-header-inner { padding: 12px 16px; }
  .gs-logo-text { font-size: 17px; }
}