/* ─────────────────────────────────────────
   navbar.css — Navigation bar styles
───────────────────────────────────────── */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(8,12,20,0.72);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="light"] nav {
  background: rgba(245,247,255,0.82);
}

/* ── Logo ── */
.nav-logo {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
  text-decoration: none;
}
.nav-logo span { color: var(--accent3); }

/* ── Links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
  color: var(--text);
  background: var(--surface2);
}

/* ── Right side ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ── Theme toggle ── */
.theme-btn {
  width: 38px; height: 38px;
  border: 1px solid var(--border2);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}
.theme-btn:hover {
  background: var(--surface2);
  color: var(--text);
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
}