/* ========================================================
   HEADER CORPORATIVO Y NAVEGACIÓN RESPONSIVE
   ======================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  height: calc(var(--header-height) - 8px);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.header-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.header-logo:hover img {
  transform: scale(1.02);
}

/* Indicador sutil de área técnica */
.header-badge {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-subtle);
  border: 1px solid rgba(12, 113, 195, 0.2);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

/* Navegación Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-body);
  text-decoration: none;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

/* Botón Destacado Acceso Clientes */
.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-client-access {
  background: linear-gradient(135deg, #F39121 0%, #E07D10 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(243, 145, 33, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.btn-client-access:hover {
  background: linear-gradient(135deg, #FA9A2E 0%, #D4740D 100%);
  box-shadow: 0 4px 14px rgba(243, 145, 33, 0.5);
  transform: translateY(-2px);
}

/* Botón Hamburguesa Móvil */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text-heading);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--color-bg-subtle);
}

/* Menú Móvil Lateral / Drawer */
.mobile-nav {
  display: none;
}

@media (max-width: 991px) {
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-nav {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
    padding: 2rem 1.5rem 3rem;
    z-index: 999;
  }

  .mobile-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
  }

  .mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-heading);
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-nav-link:hover,
  .mobile-nav-link.is-active {
    color: var(--color-primary);
  }

  .mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .mobile-cta .btn {
    width: 100%;
    justify-content: center;
    padding: 0.9rem;
  }
}