/* Several page-specific stylesheets (trip.css, post.css, essays.css, limericks.css) give
   `body` its own horizontal padding, loaded after this file — since the navbar is a direct
   body child, plain width:100% would only fill body's padded content box, not the true
   viewport. Same full-bleed trick already used for .category-hero/.trip-map-wrap/.gallery
   sidesteps that entirely, regardless of whatever padding any given page's body ends up with. */
.site-nav {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background: var(--panel);
  background-image: radial-gradient(circle at 15% 0%, var(--panel-soft), var(--panel) 70%);
}

/* Grid, not nested flexbox — brand/links/right need to sit in one row on desktop but
   reflow into "brand+toggle on top, links dropped below" on mobile, and a grid with
   per-breakpoint named areas handles that reflow far more cleanly than juggling flex-basis
   and DOM nesting order would. */
.site-nav-inner {
  width: 100%;
  padding: 1rem 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand links right";
  align-items: center;
  column-gap: 2rem;
}

.site-nav-brand {
  grid-area: brand;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav-links {
  grid-area: links;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav-link {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-nav-link:hover {
  color: #fff;
}

.site-nav-link.active {
  color: var(--accent-light);
  border-bottom-color: var(--accent-light);
}

.site-nav-right {
  grid-area: right;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  justify-self: end;
}

/* Hamburger — hidden above the breakpoint, where .site-nav-links is always visible inline. */
.site-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.site-nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 620px) {
  .site-nav-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand right"
      "links links";
    row-gap: 0;
  }

  .site-nav-links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.9rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .site-nav-links.is-open {
    display: flex;
  }

  .site-nav-toggle {
    display: flex;
  }
}

/* Layout scaffolding: the navbar (natural height) plus .page-content (everything each page
   yields) share the viewport via flexbox, so .page-content's real available height is always
   "100vh minus however tall the navbar actually rendered" — no page needs to guess that
   number. Scoped to body.with-nav so the homepage's own layout is untouched. */
body.with-nav {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-content {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}