/* ── HEADER ─────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
}

#site-header.scrolled {
  background: rgba(14,14,20,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(255,255,255,0.07);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(20px,6vw,80px);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
  margin: 0 auto;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  padding: 6px 14px;
  border-radius: 7px;
  transition: color .15s, background .15s;
  letter-spacing: 0.01em;
}
.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  background: #7c3aed;
  padding: 8px 20px;
  border-radius: 100px;
  transition: background .15s, transform .15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-cta:hover { background: #8b5cf6; transform: translateY(-1px); }

#mobile-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #fff;
  padding: 7px 11px;
  cursor: pointer;
  font-size: 0.9rem;
  flex-shrink: 0;
  font-family: 'Inter', sans-serif;
}

#mobile-menu {
  display: none;
  flex-direction: column;
  gap: 2px;
  background: rgba(14,14,20,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 14px clamp(20px,6vw,80px) 18px;
}
#mobile-menu.open { display: flex; }

#mobile-menu a {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  padding: 10px 12px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
#mobile-menu a:hover { color: #fff; background: rgba(255,255,255,0.04); }
#mobile-menu .nav-cta { text-align: center; margin-top: 6px; }

@media (max-width: 860px) {
  .nav-links,
  #site-header .nav-inner > .nav-cta { display: none; }
  #mobile-toggle { display: block; }
}