.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background .2s, border-color .2s, backdrop-filter .2s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

/* Over the dark hero */
.nav:not(.scrolled) .logo         { color: #fff; }
.nav:not(.scrolled) .logo-icon--dark { display: none; }
.nav:not(.scrolled) .nav-links a  { color: rgba(255,255,255,0.65); }
.nav:not(.scrolled) .nav-links a:hover { color: #fff; }
.nav:not(.scrolled) .menu-toggle  { color: #fff; border-color: rgba(255,255,255,0.2); }
.nav:not(.scrolled) .btn-primary  { background: var(--cta); color: #fff; }
.nav:not(.scrolled) .btn-primary:hover { background: var(--cta-h); }

/* Scrolled */
.nav.scrolled .logo        { color: var(--dark); }
.nav.scrolled .logo-icon--light { display: none; }
.nav.scrolled .logo-icon--dark  { display: block; }
.nav.scrolled .nav-links a { color: var(--muted); }
.nav.scrolled .nav-links a:hover { color: var(--dark); }

/* Inner layout */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--dark);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: block;
}
.logo-icon--dark { display: none; }

.logo-dot { color: var(--cta); }

/* Links */
.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}
.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color .15s;
}
.nav-links a:hover { color: var(--dark); }

/* CTA area */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Mobile toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--text);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  padding: 0;
  align-items: center;
  justify-content: center;
}
.menu-toggle .lucide { width: 17px; height: 17px; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-cta .btn:not(.menu-toggle) { display: none; }
  .menu-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 68px; left: 12px; right: 12px;
    padding: 18px 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    gap: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  }
  .nav-links.open a { color: var(--dark) !important; font-size: 15px; }
}