/* ═══════════════════════════════════════════════════════════════
   TRAXIUM — Public Site Shell (left rail + minimal top bar)
   Client-console style, reused across every marketing page.
   Depends on: theme.css → shared.css → styles.css
═══════════════════════════════════════════════════════════════ */

.site-body {
  display: grid;
  grid-template-columns: 236px 1fr;
  min-height: 100vh;
  background: var(--bg);
}

/* ─── SIDEBAR ─────────────────────────────────────────────── */
.site-sidebar {
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  height: 100vh; position: sticky; top: 0;
  z-index: 40;
}
.site-sidebar-logo { padding: 1.35rem 1.35rem 1.1rem; border-bottom: 1px solid var(--border); }
.site-nav { flex: 1; padding: 1rem 0.75rem; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.site-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: var(--r-full, 999px);
  font-size: 14.5px; font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  transition: background .15s, color .15s, box-shadow .15s;
  border: 1px solid transparent;
}
.site-nav-item svg { width: 18px; height: 18px; flex-shrink: 0; stroke-width: 1.7; }
.site-nav-item:hover { background: rgba(76,201,240,0.08); color: var(--text-primary); }
.site-nav-item.active {
  background: linear-gradient(135deg, rgba(76,201,240,0.14), rgba(67,97,238,0.05));
  color: #4CC9F0;
  border-color: rgba(76,201,240,0.30);
  box-shadow: 0 0 0 1px rgba(76,201,240,0.14), 0 0 20px rgba(76,201,240,0.10);
}
[data-theme="light"] .site-nav-item.active { color: var(--blue, #2F7AD9); }
.site-sidebar-footer { padding: 1.1rem 1.25rem 1.35rem; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px; }
.site-sidebar-tagline { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ─── MAIN COLUMN ─────────────────────────────────────────── */
.site-main { display: flex; flex-direction: column; min-height: 100vh; overflow-x: hidden; }
.site-topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.9rem 1.75rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  position: sticky; top: 0; z-index: 30;
}
.site-topbar-left { display: flex; align-items: center; gap: 0.85rem; }
.site-topbar-right { display: flex; align-items: center; gap: 10px; }
.site-shell-toggle {
  display: none; flex-direction: column; gap: 5px; justify-content: center; align-items: center;
  width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.04);
  cursor: pointer;
}
.site-shell-toggle span { display: block; width: 18px; height: 1.5px; background: #4CC9F0; border-radius: 2px; transition: transform .15s, opacity .15s; }
.site-shell-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.site-shell-toggle.open span:nth-child(2) { opacity: 0; }
.site-shell-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.site-scroll { flex: 1; }

/* ─── MOBILE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .site-body { grid-template-columns: 1fr; }
  .site-shell-toggle { display: inline-flex; }
  .site-sidebar {
    position: fixed; inset: 0 auto 0 0;
    width: min(84vw, 300px);
    transform: translateX(-110%);
    opacity: 0; pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
    box-shadow: 0 28px 52px rgba(0,0,0,0.35);
  }
  .site-body.site-nav-open .site-sidebar {
    transform: translateX(0); opacity: 1; pointer-events: auto;
  }
  .site-body.site-nav-open::after {
    content: '';
    position: fixed; inset: 0;
    background: rgba(4,10,20,0.6); backdrop-filter: blur(4px);
    z-index: 35;
  }
  .site-body.site-nav-open { overflow: hidden; }
  .site-topbar { padding: 0.85rem 1.1rem; }
}
@media (max-width: 560px) {
  .site-topbar-right .site-topbar-pricing { display: none; }
}