nav {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 6%;
  background: rgba(17, 17, 17, 0.75);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.logo {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-cta {
  padding: 0.65rem 1.5rem;
  background: var(--grad);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
}

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

.shape {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  animation: floatShape 12s ease-in-out infinite;
}
.s1 {
  width: 500px;
  height: 500px;
  background: rgba(99, 102, 241, 0.18);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}
.s2 {
  width: 400px;
  height: 400px;
  background: rgba(236, 72, 153, 0.14);
  bottom: 0;
  right: -80px;
  animation-delay: -4s;
}
.s3 {
  width: 300px;
  height: 300px;
  background: rgba(6, 182, 212, 0.14);
  top: 50%;
  left: 60%;
  animation-delay: -8s;
}

#lang-switcher {
  appearance: none;
  background: rgba(255,255,255,0.07) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 10px center;
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  border-radius: 8px;
  padding: 7px 32px 7px 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
  backdrop-filter: blur(8px);
  margin-right: 8px;
  margin-left: 8px;
  outline: none;
}

#lang-switcher:hover {
  background-color: rgba(255,255,255,0.13);
}

#lang-switcher option {
  background: #1a1a2e;
  color: #fff;
}