/* Defense Briefing global site navigation */
:root {
  --db-nav-bg: #091426;
  --db-nav-bg-elevated: #101d31;
  --db-nav-line: rgba(255, 255, 255, 0.12);
  --db-nav-text: #d7deea;
  --db-nav-muted: #9aa6b8;
  --db-nav-gold: #d4a843;
  --db-nav-gold-dark: #b98c2f;
  --db-nav-ink: #111111;
}

.db-site-nav {
  position: relative;
  z-index: 900;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background: rgba(9, 20, 38, 0.98);
  border-bottom: 1px solid var(--db-nav-line);
  color: var(--db-nav-text);
  font-family: Inter, Montserrat, Arial, sans-serif;
  text-align: left;
}

.db-site-nav *,
.db-site-nav *::before,
.db-site-nav *::after {
  box-sizing: border-box;
}

.db-site-nav__inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.db-site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: #ffffff;
  text-decoration: none;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.db-site-nav__brand:hover {
  color: var(--db-nav-gold);
}

.db-site-nav__brand img {
  width: 36px;
  height: 36px;
  display: block;
  object-fit: contain;
  border-radius: 4px;
}

.db-site-nav__links {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}

.db-site-nav__link,
.db-site-nav__intel-link,
.db-site-nav__intel-toggle {
  border: 0;
  background: transparent;
  color: var(--db-nav-text);
  text-decoration: none;
  font-family: Inter, Montserrat, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.db-site-nav__link,
.db-site-nav__intel-link {
  display: inline-flex;
  align-items: center;
  min-height: 64px;
  padding: 0 12px;
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.db-site-nav__link:hover,
.db-site-nav__intel-link:hover,
.db-site-nav__link[aria-current="page"],
.db-site-nav__intel-link[aria-current="page"] {
  color: var(--db-nav-gold);
  border-bottom-color: var(--db-nav-gold);
  background: rgba(212, 168, 67, 0.06);
}

.db-site-nav__intel {
  position: relative;
  display: flex;
  align-items: stretch;
}

.db-site-nav__intel-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  min-height: 64px;
  padding: 0;
  cursor: pointer;
  color: var(--db-nav-muted);
}

.db-site-nav__intel-toggle::before {
  content: "▾";
  font-size: 12px;
  transition: transform 0.16s ease;
}

.db-site-nav__intel.is-open .db-site-nav__intel-toggle::before {
  transform: rotate(180deg);
}

.db-site-nav__dropdown {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  min-width: 230px;
  padding: 8px;
  display: none;
  background: var(--db-nav-bg-elevated);
  border: 1px solid var(--db-nav-line);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.34);
}

.db-site-nav__intel:hover .db-site-nav__dropdown,
.db-site-nav__intel:focus-within .db-site-nav__dropdown,
.db-site-nav__intel.is-open .db-site-nav__dropdown {
  display: block;
}

.db-site-nav__dropdown a {
  display: block;
  padding: 11px 12px;
  border-radius: 5px;
  color: var(--db-nav-text);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

.db-site-nav__dropdown a span {
  display: block;
  margin-top: 3px;
  color: var(--db-nav-muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.db-site-nav__dropdown a:hover,
.db-site-nav__dropdown a[aria-current="page"] {
  color: var(--db-nav-gold);
  background: rgba(212, 168, 67, 0.08);
}

.db-site-nav__subscribe {
  align-self: center;
  min-height: auto;
  margin-left: 8px;
  padding: 11px 16px;
  border: 1px solid var(--db-nav-gold);
  border-radius: 4px;
  background: var(--db-nav-gold);
  color: var(--db-nav-ink);
  white-space: nowrap;
}

.db-site-nav__subscribe:hover {
  color: var(--db-nav-ink);
  border-color: var(--db-nav-gold-dark);
  border-bottom-color: var(--db-nav-gold-dark);
  background: var(--db-nav-gold-dark);
}

.db-site-nav__menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--db-nav-line);
  border-radius: 5px;
  background: transparent;
  color: #ffffff;
  cursor: pointer;
}

.db-site-nav__menu-toggle span,
.db-site-nav__menu-toggle::before,
.db-site-nav__menu-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.db-site-nav__menu-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.db-site-nav__menu-toggle[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}

.db-site-nav__menu-toggle[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 880px) {
  .db-site-nav__inner {
    min-height: 58px;
    flex-wrap: wrap;
    gap: 0;
  }

  .db-site-nav__brand {
    min-height: 58px;
  }

  .db-site-nav__brand span {
    display: none;
  }

  .db-site-nav__brand img {
    width: 34px;
    height: 34px;
  }

  .db-site-nav__menu-toggle {
    display: block;
  }

  .db-site-nav__links {
    display: none;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 14px;
    border-top: 1px solid var(--db-nav-line);
  }

  .db-site-nav__links.is-open {
    display: flex;
  }

  .db-site-nav__link,
  .db-site-nav__intel-link {
    min-height: 44px;
    padding: 0 10px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .db-site-nav__link:hover,
  .db-site-nav__intel-link:hover,
  .db-site-nav__link[aria-current="page"],
  .db-site-nav__intel-link[aria-current="page"] {
    border-bottom-color: transparent;
    border-left-color: var(--db-nav-gold);
  }

  .db-site-nav__intel {
    display: grid;
    grid-template-columns: 1fr 42px;
  }

  .db-site-nav__intel-toggle {
    width: 42px;
    min-height: 44px;
  }

  .db-site-nav__dropdown {
    position: static;
    grid-column: 1 / -1;
    min-width: 0;
    margin: 0 8px 8px;
    border-radius: 6px;
    box-shadow: none;
  }

  .db-site-nav__intel:hover .db-site-nav__dropdown,
  .db-site-nav__intel:focus-within .db-site-nav__dropdown {
    display: none;
  }

  .db-site-nav__intel.is-open .db-site-nav__dropdown {
    display: block;
  }

  .db-site-nav__subscribe {
    margin: 8px 10px 0;
    justify-content: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .db-site-nav *,
  .db-site-nav *::before,
  .db-site-nav *::after {
    transition: none !important;
  }
}

.db-site-nav a.db-site-nav__subscribe,
.db-site-nav a.db-site-nav__subscribe:link,
.db-site-nav a.db-site-nav__subscribe:visited {
  color: #0b1628 !important;
}

.db-site-nav a.db-site-nav__subscribe:hover,
.db-site-nav a.db-site-nav__subscribe:focus-visible {
  color: #111111 !important;
}