/* Gabriel Airlines — shared site header (sticky glass bar + mobile drawer) */

header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100%;
}

header .header {
  width: 100%;
  height: 84px;
  padding: 0 var(--space-7);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 7, 13, 0.72);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

header .header a.brand {
  display: flex;
  align-items: center;
}

header .header a.brand img {
  width: 140px;
  height: auto;
  display: block;
}

nav {
  max-width: 60%;
  flex: 1;
}

nav > ul {
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-6);
}

nav > ul > li > a {
  position: relative;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding-bottom: 6px;
  transition: color var(--duration-fast) var(--ease-standard);
}

nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--accent-gradient);
  transition: width var(--duration-base) var(--ease-standard);
}

nav > ul > li > a:hover {
  color: var(--text-primary);
}

nav > ul > li > a:hover::after {
  width: 100%;
}

nav > ul > li > a.active {
  color: var(--text-primary);
}

nav > ul > li > a.active::after {
  width: 100%;
}

header .header nav .open-menu,
.close-menu {
  display: none;
}

@media only screen and (max-width: 1100px) {
  nav {
    max-width: 70%;
  }
}

@media only screen and (max-width: 900px) {
  header .header {
    padding: 0 var(--space-5);
  }

  header .header nav {
    width: auto;
    flex: initial;
  }

  header .header nav ul {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    position: fixed;
    top: 0;
    right: 0;
    /* a fixed max-width (not a vw-based one) so the drawer actually fits
       narrow phones instead of nearly spanning the screen; translateX(100%)
       - not a vw-based `right` offset - to slide fully off no matter the
       viewport width */
    width: min(78vw, 280px);
    height: 100vh;
    background: rgba(8, 11, 20, 0.92);
    border-left: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    margin: 0;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-standard);
    z-index: 100;
  }

  header .header nav .open-menu {
    display: inline-flex;
    outline: none;
    border: none;
    background: none;
    color: var(--text-primary);
    cursor: pointer;
  }

  header .header nav .close-menu {
    display: inline-flex;
    background: none;
    outline: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
  }

  .menu.open ul {
    transform: translateX(0);
  }

  .menu.open a {
    color: var(--text-primary);
    padding: var(--space-3) var(--space-5);
    display: block;
    font-weight: 600;
    font-size: 1.2em;
  }
}