/* =============================================================
   NAV — Fixed top navigation bar
   keisuke-portfolio / css/nav.css
   ============================================================= */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--rule-40);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-100);
  transition: color 0.3s var(--ease);
}

.nav__logo:hover { color: var(--ink-60); }

.nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav__links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-80);
  transition: color 0.3s var(--ease);
}

.nav__links a:hover { color: var(--ink-100); }

/* Responsive */
@media (max-width: 1119px) {
  .nav__inner { padding: 0 40px; }
}

@media (max-width: 767px) {
  .nav__inner { padding: 0 24px; }
  .nav__links  { gap: 20px; }
  .nav__links a { font-size: 12px; }
}