/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 8px 7px 16px;
  border-radius: 999px;
  background: rgba(13, 21, 40, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 8px;
  margin-right: 4px;
  border-right: 1px solid var(--border);
  text-decoration: none;
}

.nav__logo {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #04121c;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.nav__name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav__name span {
  color: var(--accent);
}

.nav__link {
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--muted);
  transition: color 0.25s, background 0.25s;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--ink);
  background: rgba(34, 211, 238, 0.1);
}

.nav__cta {
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #04121c;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(44, 212, 197, 0.22);
}

.nav__cta:hover,
.nav__cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(44, 212, 197, 0.38);
}