/* =========================================
   HEADER
   ========================================= */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--topbar-h);
  background: var(--principal);
  color: #0b1f1f;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}

header {
  background: #eeeeee;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: none;
  position: fixed;
  width: 100%;
  top: var(--topbar-h);
  z-index: 1000;
  transition: var(--transition);
}

header .container {
  width: 95% !important;
  max-width: 1600px !important;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: var(--transition);
  padding: 8px 12px;
  border-radius: var(--border-radius);
  flex: 0 0 auto;
  margin: 0;
}

.logo-icon {
  width: var(--logo-w);
  height: var(--logo-h);
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* navegación desktop */
header .nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--nav-gap) !important;
  flex-wrap: nowrap;
}

.nav-item {
  margin: 0 !important;
}

header .nav .nav-link {
  text-decoration: none;
  color: #333 !important;
  font-weight: 900 !important;
  font-size: var(--nav-font) !important;
  letter-spacing: 0.5px !important;
  text-transform: uppercase !important;
  padding: 10px 0 !important;
  border-radius: 0 !important;
  transition: var(--transition);
  position: relative;
  display: flex;
  align-items: center;
  background: transparent !important;
}

header .nav .nav-link i {
  margin-right: 8px;
  font-size: 14px;
  opacity: 0.8;
}

header .nav .nav-link.active::before {
  display: none !important;
}

header .nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -12px;
  height: 6px;
  border-radius: 6px;
  background: transparent;
  transform: scaleX(0);
  transition: 0.2s ease;
}

header .nav .nav-link:hover {
  color: var(--principal) !important;
}

header .nav .nav-link:hover::after {
  background: var(--principal);
  transform: scaleX(1);
}

header .nav .nav-link.active {
  color: var(--principal) !important;
}

header .nav .nav-link.active::after {
  background: var(--principal);
  transform: scaleX(1);
}

/* acciones */
header .header-actions {
  display: flex !important;
  align-items: center;
  gap: var(--action-gap) !important;
  margin-left: 20px;
  flex: 0 0 auto;
}

header .header-actions .action-btn {
  width: auto !important;
  height: auto !important;
  border: none !important;
  background: transparent !important;
  color: var(--principal) !important;
  padding: 0 !important;
  line-height: 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: var(--action-size) !important;
}

header .header-actions .action-btn:hover {
  color: var(--tono) !important;
  transform: translateY(-2px);
}

header .header-actions .action-btn i {
  font-size: 1em !important;
}

/* botón menú */
.menu-toggle {
  display: none;
  background: transparent !important;
  border: 0 !important;
  color: var(--secundario);
  cursor: pointer;
  padding: 0 !important;
  width: 54px !important;
  height: 54px !important;
  position: relative !important;
  flex: 0 0 auto !important;
}

.menu-toggle i {
  display: none !important;
}

.menu-toggle::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  top: 16px;
  height: 3px;
  border-radius: 3px;
  background: var(--secundario);
  box-shadow:
    0 7px 0 var(--secundario),
    0 14px 0 var(--secundario),
    0 21px 0 var(--secundario);
}

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 1200px) {
  header .header-content {
    display: flex !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
    gap: 10px !important;
  }

  header .logo {
    flex: 0 0 auto !important;
    padding: 0 !important;
  }

  header .nav {
    display: none !important;
  }

  header .header-actions {
    margin-left: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 12px !important;
  }

  header .menu-toggle {
    display: inline-flex !important;
    margin-left: 10px !important;
  }

  header .nav.active {
    display: block !important;
  }
}

@media (max-width: 992px) {
  :root {
    --header-h: 84px;
  }

  header .header-content {
    display: grid !important;
    grid-template-columns: auto 1fr auto !important;
    align-items: center !important;
    gap: 10px !important;
  }

  header .menu-toggle {
    display: inline-flex !important;
    justify-self: center !important;
    font-size: 26px !important;
  }

  header .header-actions {
    justify-self: end !important;
    margin-left: 0 !important;
  }

  header .nav {
    position: fixed !important;
    top: calc(var(--topbar-h) + var(--header-h)) !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100vh - (var(--topbar-h) + var(--header-h))) !important;
    background: #fff !important;
    z-index: 1200 !important;
    overflow-y: auto !important;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12) !important;
    transform: translateY(-110%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: 0.25s ease !important;
    display: block !important;
  }

  header .nav.active {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  header .nav-menu {
    flex-direction: column !important;
    gap: 0 !important;
    padding: 18px 16px !important;
  }

  header .nav-item {
    width: 100% !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
  }

  header .nav .nav-link {
    font-size: 18px !important;
    padding: 16px 10px !important;
    text-align: center !important;
    justify-content: center !important;
  }

  header .nav .nav-link::after {
    display: none !important;
  }
}

@media (max-width: 768px) {
  header .container {
    width: 95% !important;
    padding: 0 10px !important;
  }

  header .header-content {
    display: flex !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
    gap: 10px !important;
    justify-content: flex-start !important;
  }

  header .logo {
    order: 1 !important;
    padding: 0 !important;
    margin: 0 !important;
    flex: 0 0 auto !important;
  }

  header .logo-icon {
    width: 130px !important;
    height: 56px !important;
  }

  header .nav {
    flex: 0 0 auto !important;
  }

  header .header-actions {
    order: 2 !important;
    margin-left: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 12px !important;
    flex-wrap: nowrap !important;
    flex: 0 0 auto !important;
  }

  header .header-actions .action-btn {
    font-size: 28px !important;
  }

  header .menu-toggle {
    order: 3 !important;
    display: inline-flex !important;
    margin-left: 10px !important;
    flex: 0 0 auto !important;
  }
}

@media (max-width: 576px) {
  header .menu-toggle {
    font-size: 24px !important;
  }
}

@media (max-width: 480px) {
  header .menu-toggle {
    width: 48px !important;
    height: 48px !important;
    margin-left: 8px !important;
  }

  header .menu-toggle::before {
    left: 14px;
    right: 14px;
    top: 14px;
    box-shadow:
      0 6px 0 var(--secundario),
      0 12px 0 var(--secundario),
      0 18px 0 var(--secundario);
  }
}

@media (max-width: 420px) {
  header .logo-icon {
    width: 120px !important;
    height: 52px !important;
  }

  header .header-actions {
    gap: 10px !important;
  }

  header .header-actions .action-btn {
    font-size: 26px !important;
  }
}