header {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(7.5px);
  position: relative;
  z-index: 10;

  & > div:nth-child(1) {
    border-bottom: 1px solid #d9d9d980;
  }

  & .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--gray-900);

    & .topbar_info {
      display: flex;
      align-items: center;
      gap: 3rem;

      & .social_media {
        display: flex;
        align-items: center;
        gap: 1rem;

        & a {
          font-size: 1.125rem;

          &:hover {
            color: var(--blue-100);
          }
        }
      }

      & .phone {
        display: flex;
        align-items: center;
        gap: 10px;

        & i {
          font-size: 1.25rem;
        }
      }
    }

    & .topbar_links {
      display: flex;
      align-items: center;
      gap: 2.625rem;

      & a {
        display: flex;
        align-items: center;
        gap: 10px;

        &:hover {
          color: var(--blue-100);
        }

        &.btn_site:hover {
          color: var(--white);
        }

        & i {
          font-size: 1.25rem;
          color: var(--blue-100);
        }
      }
    }
  }

  & .menu {
    display: flex;
    align-items: center;
    gap: 5.5rem;
    padding-top: 8px;
    padding-bottom: 10px;

    & .menu_principal {
      display: flex;
      flex: 1;
      align-items: center;
      justify-content: space-between;

      & a {
        color: var(--gray-300);

        &:hover {
          color: var(--blue-100);
        }
      }
    }
  }

  /* seta */
  .submenu-toggle {
    cursor: pointer;
    padding: 8px;
    display: inline-block;
  }

  /* submenu escondido */
  .sub-menu {
    display: none;
    background: #fff;
    border: 1px solid #ddd;
    padding: 10px 0;
    position: relative;
  }

  /* seta girando quando aberto (opcional) */
  .submenu-toggle.open {
    transform: rotate(180deg);
  }

  /* o item pai precisa ser relative */
  .menu-item-has-children {
    position: relative;
  }

  /* submenu flutuante */
  .menu-item-has-children > .sub-menu {
    display: none;
    position: absolute;
    top: 100%; /* logo abaixo do item */
    left: 0;
    background: #fff;
    z-index: 999;
    min-width: 200px;
    padding: 10px 0;
    border: 1px solid #eee;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }

  /* links do submenu */
  .sub-menu li a {
    display: block;
    padding: 10px 15px;
    white-space: nowrap;
  }
}

@media (max-width: 1400px) {
  header {
    & .menu {
      gap: 3rem;
    }
  }
}

@media (max-width: 1400px) {
  header {
    & .topbar {
      & .topbar_info,
      & .topbar_links {
        gap: 1.5rem;
      }
    }

    & .menu {
      gap: 0;

      & .menu_principal {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem 1.5rem;
      }

      & .logo > img {
        max-width: 200px;
      }
    }
  }
}

@media (max-width: 1280px) {
	header {
		& .menu {
			& .menu_principal {
				gap: 0.5rem;
				& a {
					font-size: .875rem;
				}
			}
		}
	}
}

@media (max-width: 768px) {
  header {
    padding-block: 1rem;

    & > div:nth-child(1) {
      border-bottom: none;
    }
    & .menu_mobile {
      display: flex;
      align-items: center;
      justify-content: space-between;

      & button {
        appearance: none;
        border: none;
        background-color: transparent;
        font-size: 2.5rem;
        color: var(--blue-100);
      }
    }
  }

  .offcanvas {
    background-color: #f8f9fa;

    & .nav-link {
      color: var(--gray-900);
      font-weight: 500;

      &:hover {
        color: var(--blue-100);
      }

      & .bi-chevron-down {
        transition: transform 0.2s ease;
      }
    }

    & .nav-link[aria-expanded="true"] .bi-chevron-down {
      transform: rotate(180deg);
      transition: transform 0.2s ease;
    }
  }
}

@media (max-width: 576px) {
  .logo > img {
    max-width: 150px;
  }

  header {
    .btn_site {
      font-size: 0.875rem;
    }
  }
}