/* Site-wide nav · shared by homepage + every content template.
   Depends on the dark-navy palette variables exposed by each page's :root:
   --bg, --text, --text-soft, --accent, --accent-bright, --accent-dim,
   --border, --border-soft, --card, --card-soft, --rule,
   --serif, --mono. */

header.site {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid var(--rule, rgba(242,233,216,0.08));
  padding: 1.4rem 1.5rem;
  background: rgba(14,27,44,0.85);
  backdrop-filter: saturate(140%) blur(8px);
}
header.site .inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}
.wordmark {
  font-family: var(--mono, 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  color: var(--accent, #EFB940);
  text-transform: uppercase;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: none;
}
.wordmark:hover { color: var(--accent-bright, #FFC854); }

/* Mobile hamburger toggle (hidden on desktop; shown <=760px) */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  margin: -0.4rem -0.4rem -0.4rem 0;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle__bar { position: relative; }
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--text-soft, #D9CFB9);
  border-radius: 2px;
  transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: '';
  position: absolute;
  left: 0;
}
.nav-toggle__bar::before { top: -6px; }
.nav-toggle__bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { top: 0; transform: rotate(45deg); background: var(--accent, #EFB940); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { top: 0; transform: rotate(-45deg); background: var(--accent, #EFB940); }

header.site nav.primary {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  justify-content: flex-end;
  align-items: center;
}
header.site nav.primary > a,
header.site nav.primary .dt-nav__trigger {
  font-family: var(--mono, 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--text-soft, #D9CFB9);
  text-transform: uppercase;
  font-weight: 500;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  height: 1.6rem;
  text-decoration: none;
  border: none;
}
header.site nav.primary > a:hover,
header.site nav.primary .dt-nav__trigger:hover { color: var(--text, #F2E9D8); }

header.site nav.primary a.subscribe {
  color: var(--accent, #EFB940);
  border: 1px solid var(--border, rgba(201,169,97,0.22));
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  transition: background 0.15s, border-color 0.15s;
  height: auto;
}
header.site nav.primary a.subscribe:hover {
  background: var(--accent-dim, rgba(239,185,64,0.18));
  border-color: var(--accent, #EFB940);
  color: var(--accent-bright, #FFC854);
}

header.site nav.primary .nav-sep {
  display: inline-block;
  width: 1px;
  height: 1rem;
  background: var(--border-soft, rgba(242,233,216,0.12));
  margin: 0 0.35rem;
}

header.site nav.primary a.nav-cta-secondary {
  color: var(--accent, #EFB940);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 1.6rem;
  transition: color 0.15s;
  border: none;
}
header.site nav.primary a.nav-cta-secondary:hover { color: var(--accent-bright, #FFC854); }

header.site nav.primary a.nav-signin {
  color: var(--text-soft, #D9CFB9);
  transition: color 0.15s;
  border: none;
}
header.site nav.primary a.nav-signin:hover { color: var(--text, #F2E9D8); }

/* Mega menu */
.dt-nav__item {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.dt-nav__trigger {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.dt-nav__caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform 0.18s ease;
  opacity: 0.7;
}
.dt-nav__trigger[aria-expanded="true"] .dt-nav__caret { transform: rotate(180deg); }

.dt-mega {
  position: absolute;
  top: calc(100% + 0.85rem);
  right: 0;
  width: 560px;
  background: var(--card, #16243A);
  border: 1px solid var(--border-soft, rgba(242,233,216,0.12));
  border-radius: 10px;
  padding: 1.4rem 1.4rem 1.25rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45), 0 1px 0 rgba(242,233,216,0.04);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.22s cubic-bezier(.2,.7,.2,1), transform 0.22s cubic-bezier(.2,.7,.2,1);
  z-index: 40;
}
.dt-mega[hidden] { display: none; }
.dt-mega.open { opacity: 1; transform: translateY(0); }
.dt-mega__eyebrow {
  font-family: var(--mono, 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  color: var(--accent, #EFB940);
  text-transform: uppercase;
  margin-bottom: 0.95rem;
  font-weight: 600;
}
.dt-mega__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 1.25rem;
}
.dt-mega__link {
  display: block;
  padding: 0.7rem 0.75rem;
  border-radius: 6px;
  color: var(--text, #F2E9D8);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}
.dt-mega__link:hover,
.dt-mega__link:focus-visible {
  background: var(--card-soft, #1A2A3F);
  border-color: var(--border-soft, rgba(242,233,216,0.12));
  outline: none;
  color: var(--text, #F2E9D8);
}
.dt-mega__title {
  font-family: var(--serif, 'Iowan Old Style', 'Iowan Old Style BT', Georgia, 'Times New Roman', serif);
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 500;
  color: var(--text, #F2E9D8);
  letter-spacing: -0.01em;
  margin-bottom: 0.15rem;
}
.dt-mega__link:hover .dt-mega__title,
.dt-mega__link:focus-visible .dt-mega__title { color: var(--accent, #EFB940); }
.dt-mega__dek {
  font-family: var(--mono, 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text-dim, #8a8478);
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  .dt-mega { transition-duration: 0s; }
}

body.nav-open { overflow: hidden; }

@media (max-width: 760px) {
  header.site { padding: 1rem 1.25rem; }
  header.site .inner { gap: 0.85rem; }
  .nav-toggle { display: inline-flex; }

  /* Primary nav collapses behind the hamburger into a slide-down panel */
  header.site nav.primary {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.1rem;
    padding: 0.75rem 1.25rem 1.25rem;
    background: var(--bg, #0e1b2c);
    border-bottom: 1px solid var(--rule, rgba(242,233,216,0.08));
    box-shadow: 0 14px 32px rgba(0,0,0,0.5);
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }
  header.site nav.primary.open { display: flex; }

  header.site nav.primary > a,
  header.site nav.primary .dt-nav__trigger {
    height: auto;
    width: 100%;
    padding: 0.75rem 0;
    font-size: 0.78rem;
  }
  header.site nav.primary .dt-nav__item { display: block; width: 100%; }
  header.site nav.primary .dt-nav__trigger { justify-content: space-between; }
  header.site nav.primary .nav-sep { display: none; }

  /* Mega menus render as in-panel accordions instead of off-screen overlays */
  .dt-mega {
    position: static;
    width: auto;
    right: auto;
    opacity: 1;
    transform: none;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0 0 0.5rem 0.85rem;
  }
  .dt-mega__eyebrow { margin-bottom: 0.5rem; }
  .dt-mega__grid { grid-template-columns: 1fr; gap: 0; }
  .dt-mega__link { padding: 0.55rem 0.5rem; }

  header.site nav.primary a.subscribe {
    text-align: center;
    margin-top: 0.6rem;
    padding: 0.7rem 0.95rem;
  }
}

/* Breadcrumb · shared by every content template (paired with BreadcrumbList JSON-LD) */
nav.breadcrumb {
  max-width: 760px;
  margin: 1.5rem auto 0;
  padding: 0 1.25rem;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
nav.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
nav.breadcrumb li { display: inline-flex; align-items: center; }
nav.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--text-dim, rgba(242,233,216,0.4));
}
nav.breadcrumb a { color: var(--accent, #c9a24b); text-decoration: none; }
nav.breadcrumb a:hover { color: var(--accent-bright, #e3bd63); }
nav.breadcrumb span[aria-current] { color: var(--text-dim, rgba(242,233,216,0.55)); }
@media (max-width: 640px) {
  nav.breadcrumb { font-size: 0.66rem; }
}