/* ==========================================================
   nav.css — Navigation bar
   JCG Info Tech
   ========================================================== */

nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem var(--page-padding);
  background: rgba(8, 12, 16, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

/* ── Logo ── */
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo__badge {
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 1rem;
  border: 1px solid var(--color-cyan);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* ── Links ── */
.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--color-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-cyan);
}

/* ── CTA button ── */
.nav-cta {
  background: transparent;
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  padding: 0.5rem 1.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  transition: all var(--transition-normal);
  letter-spacing: 0.05em;
}

.nav-cta:hover {
  background: var(--color-cyan);
  color: var(--color-black);
}

/* ── Hamburger (mobile) ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-normal);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(8, 12, 16, 0.97);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem var(--page-padding);
    gap: 1.5rem;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }
}

/* ── Logo image ── */
.nav-logo__img {
  height: 38px;
  width: auto;
  display: block;
  opacity: 0.92;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover .nav-logo__img {
  opacity: 1;
}