/* ═══════════════════════════════════════════════════════
   NAVBAR — Navigation, Hamburger, Mobile Menu
   css/navbar.css
══════════════════════════════════════════════════════ */

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 2rem;
  background: rgba(10,14,23,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,255,136,.1);
  transition: background var(--transition), border-color var(--transition);
}
.navbar.scrolled {
  background: rgba(10,14,23,.97);
  border-bottom-color: rgba(0,255,136,.15);
}

/* ── Logo ───────────────────────────────────────────── */
.logo {
  font-family: var(--font-mono);
  font-size: 1.1rem; font-weight: 700;
  color: var(--green); letter-spacing: -.5px;
  flex-shrink: 0;
}
.logo span { color: var(--text); }

/* ── Nav Links ──────────────────────────────────────── */
.nav-links {
  display: flex; gap: 1.75rem; list-style: none;
}
.nav-links a {
  font-size: .85rem; font-weight: 500;
  color: var(--muted); letter-spacing: .3px;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--green);
  transform: scaleX(0); transform-origin: right;
  transition: transform var(--transition);
}
.nav-links a:hover      { color: var(--green); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); transform-origin: left; }
.nav-links a.active      { color: var(--green); }

/* ── Nav CTA Button ─────────────────────────────────── */
.nav-cta {
  font-size: .78rem; font-family: var(--font-mono);
  padding: .42rem 1.1rem;
  border: 1px solid var(--green);
  border-radius: 4px; color: var(--green);
  transition: all var(--transition);
  flex-shrink: 0;
}
.nav-cta:hover { background: rgba(0,255,136,.1); color: var(--green); }

/* ── Hamburger ──────────────────────────────────────── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 4px; background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}