/* ============================================================
   B2FPV — shared site navigation
   Linked by every page. Uses each page's design tokens
   (--red, --bg, --text, --muted, --border, --font-*) with
   safe fallbacks so the bar renders even if a token is missing.
   Markup is identical on every page; site-nav.js sets the
   active item from the URL (.is-active + aria-current).
   ============================================================ */

/* Skip link — only visible on keyboard focus */
.skip-link {
  position: absolute;
  left: 0; top: 0;
  z-index: 1000;
  transform: translateY(-120%);
  background: var(--red, #E03A2F);
  color: #fff;
  font-family: var(--font-condensed, sans-serif);
  font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.6rem 1.1rem;
  border-radius: 0 0 3px 0;
  transition: transform 0.2s ease;
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid #fff;
  outline-offset: -4px;
}

/* Programmatic focus targets (e.g. #main) shouldn't show a ring */
[tabindex="-1"]:focus { outline: none; }

/* ── Bar ── */
/* Full-width dark bar; contents held to a centered ~1280px band so they
   never stretch edge-to-edge on wide screens. */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center;
  gap: 1rem;
  height: 64px;
  padding: 0 max(2.5rem, calc((100% - 1280px) / 2));
  background: rgba(10,10,10,0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.07));
}

/* ── Logo (left zone — grows, content stays left) ── */
.site-nav__logo {
  display: flex; align-items: center; gap: 0.6rem;
  flex: 1; justify-content: flex-start;
  min-width: 0;
  font-family: var(--font-display, sans-serif);
  font-size: 1.4rem; letter-spacing: 0.05em;
  color: var(--text, #F0EDE8);
  white-space: nowrap;
}
.site-nav__logo span { color: var(--red, #E03A2F); }
.site-nav__logo img {
  width: 36px; height: 36px;
  border-radius: 50%; object-fit: cover;
}

/* ── Link cluster (middle zone — true center of the bar) ── */
.site-nav__links {
  display: flex; align-items: center; gap: 0.35rem;
  flex-shrink: 0; justify-content: center;
}
.site-nav__link {
  font-family: var(--font-condensed, sans-serif);
  font-size: 0.95rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(244,241,237,0.78);
  padding: 0.4rem 0.9rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
/* Hover — brighten text only (no pill, no border) */
.site-nav__link:hover {
  color: var(--text, #F0EDE8);
}
/* Active item — subtle underline, no fill (no layout shift) */
.site-nav__link.is-active {
  color: var(--text, #F0EDE8);
  border-bottom-color: var(--red, #E03A2F);
}
/* Accent (Tune) — quiet link like the rest; only the wrench icon is red */
.site-nav__link--accent {
  color: rgba(244,241,237,0.78);
}
.site-nav__link--accent span {
  color: var(--red, #E03A2F);
}
.site-nav__link--accent:hover {
  color: var(--text, #F0EDE8);
}

/* ── Right-side actions (right zone — grows, content stays right) ── */
.site-nav__actions {
  display: flex; align-items: center; gap: 0.6rem;
  flex: 1; justify-content: flex-end;
  min-width: 0;
}

/* Primary "Shop" CTA (default pages) */
.site-nav__cta {
  /* Self-contained sizing: inline-flex + explicit line-height so the pill's painted
     height no longer depends on the host page's body line-height (build-gallery had
     none → inherited ~1.2 → ~5-6px short). 1.6 matches what every other page already
     inherited, so those pages stay pixel-identical; build-gallery comes up to match. */
  display: inline-flex; align-items: center; line-height: 1.6;
  background: var(--red, #E03A2F);
  color: #fff;
  font-family: var(--font-condensed, sans-serif);
  font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  border-radius: 2px;
  border: 1px solid var(--red, #E03A2F);
  transition: background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.site-nav__cta:hover {
  background: var(--red-dark, #9B1F17);
  border-color: var(--red-dark, #9B1F17);
}

/* Cart button (shop page) */
.site-nav__cart {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text, #F0EDE8);
  font-family: var(--font-condensed, sans-serif);
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.site-nav__cart:hover { border-color: rgba(224,58,47,0.5); }
.site-nav__cart svg { display: block; }

/* ── Hamburger ── */
.site-nav__toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 6px; z-index: 200;
}
.site-nav__toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text, #F0EDE8); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.site-nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.site-nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Visible focus ring (a11y) ── */
.site-nav__link:focus-visible,
.site-nav__cta:focus-visible,
.site-nav__cart:focus-visible,
.site-nav__toggle:focus-visible,
.site-nav__logo:focus-visible,
.site-nav__mobile a:focus-visible {
  outline: 2px solid var(--red, #E03A2F);
  outline-offset: 2px;
}

/* ── Mobile dropdown menu ── */
.site-nav__mobile {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
  flex-direction: column;
  background: rgba(10,10,10,0.98);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.07));
  padding: 1.25rem 1.25rem 1.5rem;
}
.site-nav__mobile.is-open { display: flex; }
.site-nav__mobile a {
  font-family: var(--font-condensed, sans-serif);
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted, #888);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.07));
  transition: color 0.2s;
}
.site-nav__mobile a:hover,
.site-nav__mobile a.is-active { color: var(--text, #F0EDE8); }
.site-nav__mobile a.site-nav__mobile-cta {
  margin-top: 1rem;
  background: var(--red, #E03A2F);
  color: #fff;
  text-align: center;
  padding: 0.9rem;
  border-radius: 2px;
  border-bottom: none;
}

/* ── Collapse to hamburger ── */
@media (max-width: 900px) {
  .site-nav { height: 58px; padding: 0 1.1rem; }
  .site-nav__links { display: none; }
  .site-nav__cta { display: none; }     /* mobile menu carries the Shop CTA */
  .site-nav__toggle { display: flex; }
  .site-nav__cart { font-size: 0.72rem; padding: 0.4rem 0.7rem; }
  .site-nav__mobile { top: 58px; }
}
@media (max-width: 420px) {
  .site-nav { padding: 0 0.85rem; }
  .site-nav__logo { font-size: 1.1rem; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .skip-link,
  .site-nav__link,
  .site-nav__cta,
  .site-nav__cart,
  .site-nav__toggle span { transition: none; }
}