/* ── Navigation ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 52px;
  min-height: 72px;
  background: rgba(8,8,8,0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0,212,200,0.12);
  transition: box-shadow var(--t);
}
nav.nav-scrolled {
  box-shadow: 0 4px 32px rgba(0,0,0,0.6);
  border-bottom-color: rgba(0,212,200,0.22);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img {
  height: 68px;
  width: auto;
  display: block;
  object-fit: contain;
  max-width: 260px;
}
.logo-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px; color: #080808;
  box-shadow: 0 0 20px rgba(0,212,200,0.4);
  flex-shrink: 0;
}
.logo-name {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}
.logo-sub {
  display: block;
  font-size: 9px;
  color: var(--cyan);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--lgray);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--t);
}
.nav-links a:hover { color: var(--cyan); }