/* ── Unified Site Navbar ── */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 56px;
  background: var(--color-bg-header, rgba(8,11,18,0.92));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0,240,255,0.06);
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}

/* Homepage: transparent → glass on scroll */
.site-nav-transparent {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.site-nav-transparent.scrolled {
  background: var(--color-bg-header, rgba(8,11,18,0.92));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: rgba(0,240,255,0.08);
}

.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
}

/* Brand */
.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.site-nav-brand:hover { text-decoration: none; }
.site-nav-brand img {
  width: 34px; height: 34px;
  border-radius: 9px;
  display: block;
  object-fit: cover;
  object-position: center 42%;
}
.site-nav-wordmark {
  font-family: 'Space Grotesk', var(--font-display, sans-serif);
  font-size: 24px;
  font-weight: 800;
  background: var(--gradient-primary, linear-gradient(135deg, #00f0ff, #a855f7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}

/* Nav Links */
.site-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.site-nav-links a {
  color: var(--color-text-secondary, rgba(200,206,216,0.7));
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.site-nav-links a:hover {
  color: var(--color-text-primary, #c8ced8);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}
.site-nav-links a.active {
  color: var(--color-cyan, #00f0ff);
  background: rgba(0,240,255,0.08);
}

/* Right section */
.site-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Language switcher */
.site-nav-lang {
  display: flex;
  align-items: center;
  border: 1px solid rgba(0,240,255,0.15);
  border-radius: 8px;
  overflow: hidden;
}
.site-lang-btn {
  background: none;
  border: none;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  color: var(--color-text-secondary, rgba(200,206,216,0.7));
  cursor: pointer;
  transition: all 0.2s;
}
.site-lang-btn:hover {
  color: var(--color-text-primary, #c8ced8);
}
.site-lang-btn.active {
  background: rgba(0,240,255,0.15);
  color: var(--color-cyan, #00f0ff);
}

/* CTA */
.site-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, #00f0ff, #7b2ff7);
  color: #020408;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  box-shadow: 0 0 20px rgba(0,240,255,0.2);
}
.site-nav-cta:hover {
  transform: scale(1.04);
  box-shadow: 0 0 30px rgba(0,240,255,0.4);
  text-decoration: none;
}

/* Hamburger */
.site-nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary, #c8ced8);
  padding: 8px;
  border-radius: 8px;
  transition: color 0.2s;
}
.site-nav-hamburger:hover { color: var(--color-cyan, #00f0ff); }
.site-nav-hamburger svg { display: block; }

/* ── Mobile Menu ── */
.site-mobile-menu {
  display: none;
  position: fixed;
  top: 56px; left: 0; right: 0;
  background: rgba(8,11,18,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,240,255,0.08);
  padding: 16px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.site-mobile-menu.open { display: flex; }
.site-mobile-menu > a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary, #c8ced8);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}
.site-mobile-menu > a:hover { background: rgba(255,255,255,0.06); }
.site-mobile-menu > a.active {
  color: var(--color-cyan, #00f0ff);
  background: rgba(0,240,255,0.08);
}
.site-mobile-cta {
  text-align: center;
  margin-top: 12px;
  padding: 12px 20px !important;
  border-radius: 9999px;
  font-weight: 600;
  background: linear-gradient(135deg, #00f0ff, #7b2ff7);
  color: #020408 !important;
}
.site-mobile-lang {
  display: flex;
  justify-content: center;
  margin-top: 12px;
  border: 1px solid rgba(0,240,255,0.15);
  border-radius: 8px;
  overflow: hidden;
  width: fit-content;
  align-self: center;
}
.site-mobile-lang .site-lang-btn { padding: 6px 16px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .site-nav-links a { padding: 6px 10px; font-size: 13px; }
}
@media (max-width: 640px) {
  .site-nav-links { display: none; }
  .site-nav-cta { display: none; }
  .site-nav-lang { display: none; }
  .site-nav-hamburger { display: block; }
  .site-nav-inner { padding: 0 16px; }
}

/* ── Light Theme ── */
html.light .site-nav {
  background: rgba(240,242,245,0.92);
  border-bottom-color: rgba(0,0,0,0.08);
}
html.light .site-nav-transparent {
  background: transparent;
  border-bottom-color: transparent;
}
html.light .site-nav-transparent.scrolled {
  background: rgba(240,242,245,0.92);
  border-bottom-color: rgba(0,0,0,0.08);
}
html.light .site-nav-links a { color: var(--color-text-muted, #6b7280); }
html.light .site-nav-links a:hover {
  color: var(--color-text-primary, #2d3142);
  background: rgba(0,0,0,0.04);
}
html.light .site-nav-links a.active {
  color: var(--color-cyan, #085f6d);
  background: rgba(8,95,109,0.08);
}
html.light .site-nav-cta { color: #fff; }
html.light .site-nav-lang { border-color: rgba(0,0,0,0.12); }
html.light .site-lang-btn { color: var(--color-text-muted, #6b7280); }
html.light .site-lang-btn:hover { color: var(--color-text-primary, #2d3142); }
html.light .site-lang-btn.active {
  background: rgba(8,95,109,0.12);
  color: var(--color-cyan, #085f6d);
}
html.light .site-nav-hamburger { color: var(--color-text-primary, #2d3142); }
html.light .site-mobile-menu {
  background: rgba(240,242,245,0.98);
  border-bottom-color: rgba(0,0,0,0.08);
}
html.light .site-mobile-menu > a { color: var(--color-text-primary, #2d3142); }
html.light .site-mobile-menu > a:hover { background: rgba(0,0,0,0.04); }
html.light .site-mobile-menu > a.active {
  color: var(--color-cyan, #085f6d);
  background: rgba(8,95,109,0.08);
}
html.light .site-mobile-cta { color: #fff !important; }

/* ── Content above particle background ── */
.site-nav, .site-mobile-menu { z-index: 1000; }
.tool-page, .blog-page, .page, .container, main, section, footer, .page-layout {
  position: relative;
  z-index: 1;
}