/* ============================================================
   EMPTY SANDBOX — HEADER CSS (Editorial)
   ============================================================ */

#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  /* Strong frosted glass — always readable over any content */
  background: rgba(253, 253, 251, 0.92);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  transition: box-shadow 0.2s ease;
}

/* Shadow appears once user scrolls — separates nav from content */
#site-header.is-scrolled {
  box-shadow: 0 1px 0 rgba(0,0,0,0.06),
              0 4px 20px rgba(0,0,0,0.05);
}

/* Override container within header to be full-width */
#site-header .container {
  max-width: none;
  padding-inline: clamp(var(--space-6), 4vw, var(--space-16));
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ── Logo ─────────────────────────────────────────────── */
.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__img {
  display: block;
  width: 144px;
  height: 72px;
  object-fit: contain;
}

/* ── Desktop Nav — Pill Group ──────────────────────────── */
#main-menu {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-pill-group {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.09);
  border-radius: var(--radius-pill);
  padding: 3px;
  list-style: none;
  margin: 0;
}

.nav-pill-group li a {
  display: block;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;              /* visible on any background */
  color: var(--color-text-primary);  /* always dark — no fade */
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-pill-group li a:hover {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.6);
}

.nav-pill-group li a.active {
  background: #FFFFFF;
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* CTA inside the pill */
.nav-pill-group .nav-cta-item {
  margin-left: var(--space-1);
}

.nav-pill-group .nav-cta-item a {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  font-weight: var(--weight-medium);
  padding: 6px 16px;
}

.nav-pill-group .nav-cta-item a:hover {
  background-color: #333333;
  color: #FFFFFF;
}

/* ── Header Right (toggle only on desktop) ─────────────── */
.header-right {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ── Hamburger Toggle ──────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Menu Overlay ───────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.06);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn 0.18s ease both;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.mobile-menu.is-open { display: block; }

.mobile-menu-inner {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  background: #FFFFFF;
  border-radius: 18px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12);
  padding: var(--space-5) var(--space-6);
  animation: slideDown 0.22s cubic-bezier(0.34, 1.2, 0.64, 1) both;
}

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.mobile-menu-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,0,0,0.05);
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.mobile-menu-close:hover { background: rgba(0,0,0,0.1); }

.mobile-nav ul { list-style: none; padding: 0; margin: 0; }
.mobile-nav ul li { border-bottom: 1px solid var(--color-border); }

.mobile-nav ul li a {
  display: block;
  padding: var(--space-4) var(--space-2);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-nav ul li a:hover,
.mobile-nav ul li a.active { color: var(--color-accent); }

.mobile-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: var(--space-5);
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.mobile-cta-btn:hover { background-color: #333; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  #main-menu { display: none; }
  .nav-toggle { display: flex; }
}

@media (min-width: 769px) {
  .mobile-menu { display: none !important; }
}