/* ============================================================
   synontech — navigation
   Top nav bar, logo, links, CTA, mobile hamburger.
   ============================================================ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(4, 4, 4, 0.9);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 0, 60, 0.2);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo-img {
  height: 22px; /* Precision height for wordmark */
  width: auto;
  transition: all 0.3s ease;
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 12px var(--neon-red));
}

.nav-actions {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-family: 'Share Tech Mono', monospace;
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--neon-red);
  text-shadow: 0 0 12px rgba(255, 0, 60, 0.8);
}

.nav-cta {
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: #fff;
  background: var(--neon-red);
  padding: 0.5rem 1.4rem;
  text-decoration: none;
  transition: all 0.2s;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 75%, 85% 100%, 0 100%);
  text-transform: uppercase;
}

.nav-cta:hover {
  transform: translate(2px, -2px);
  box-shadow: var(--glow-red);
}

/* ── Hamburger (mobile only) ── */
.nav-hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
  font-size: 1.2rem;
  line-height: 1;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-hamburger:hover {
  background: rgba(255, 0, 60, 0.08);
  box-shadow: var(--glow-red);
}

.nav-links li.mobile-only {
  display: none;
}

/* ── Mobile breakpoint ── */
@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 0.75rem;
    border-top: 1px solid rgba(255, 0, 60, 0.1);
    order: 3;
  }

  .nav-links li.mobile-only {
    display: block;
  }

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

  .nav-links li a {
    display: block;
    padding: 0.8rem 0;
  }
}