/* ========== NAV ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-neon);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  transition: background 0.3s, border-color 0.3s;
}

.nav-brand {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.6rem;
  color: var(--neon-cyan);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
  transition: opacity 0.2s;
}

.nav-brand:hover {
  opacity: 0.85;
  color: var(--neon-cyan);
}

[data-theme="light"] .nav-brand {
  text-shadow: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ========== MAIN CONTENT ========== */
.main-content {
  padding-top: 80px; /* Fixed nav height + breathing room */
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-bottom: 4rem;
  flex: 1;
}

/* Full-width variant */
.main-content--wide {
  max-width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* ========== SECTION ========== */
.section {
  padding: 4rem 0;
}

.section-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.85rem;
  color: var(--neon-cyan);
  margin-bottom: 2.5rem;
  text-align: center;
  letter-spacing: 2px;
}

[data-theme="dark"] .section-title {
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--bg-nav);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-dim);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
}

.footer p {
  color: var(--text-dim);
  margin: 0;
}

/* ========== RESPONSIVE: MOBILE ========== */
@media (max-width: 768px) {
  .nav {
    padding: 0 1rem;
  }

  .nav-brand {
    font-size: 0.5rem;
  }

  .main-content {
    padding-left: 1rem;
    padding-right: 1rem;
    padding-top: 76px;
  }

  .section {
    padding: 2.5rem 0;
  }

  .section-title {
    font-size: 0.7rem;
    margin-bottom: 1.5rem;
  }
}