/* =========================
   Header / Navigation
   ========================= */

.header {
  position: sticky;
  top: var(--top-lang-bar);
  /* top: 0; */
  margin-left: 80px;
  z-index: 10;
  background-color: #fff;
  border-bottom: 1px solid #000;
  height: auto; /* keep the original height */
  padding: 0;
}

/* --- container flex --- */
.main-header .container-fluid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  /* padding-left: 0;
  padding-right: 0; */
}

.header-bar {
  border-bottom: 1px solid #000;
}
/* --- header brand --- */
.header-brand {
  top: 0;
  z-index: 999;
  /* height: 100%; */
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  position: relative;
  padding: 0rem 1rem 0.5rem 1rem;
}

.header-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1.25px solid currentColor;
}

/* --- logo --- */
.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-h1);
  letter-spacing: 0.03em;
}

.brand-subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

.navbar-nav {
  display: flex;
  flex-direction: row;
}

@media (min-width: 768px) {
  .navbar-collapse {
    justify-content: flex-start;
  }

  .navbar-nav {
    margin-left: 2rem; /* 貼 logo 2rem */
    flex-direction: row;
    text-align: left;
  }
}

@media (max-width: 767.98px) {
  .left-sidebar {
    display: none;
  }
  .right-sidebar {
    display: none;
  }

  .header {
    margin-left: 0;
    margin-top: 0;
  }

  .main-wrapper {
    margin-left: 0;
  }

  .navbar-collapse {
    justify-content: flex-end;
  }
  .navbar-nav {
    margin-left: 0;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
  }

  .navbar-nav .nav-link,
  .navbar-nav .btn {
    text-align: right;
    width: auto;
  }
}

.site-footer {
  position: relative;
}

/* =========================
   Header / Navigation
   ========================= */