/* Mobile Grid System */
@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
    grid-template-areas: "main";
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    transform: translateX(-100%);
    z-index: 9999;
    grid-area: none; /* Remove from grid on mobile */
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    grid-area: main;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  cursor: pointer;
  padding: 12px;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 10000;
  width: 50px;
  height: 50px;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px var(--shadow);
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: var(--primary-red);
  border-color: var(--primary-red);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(193, 18, 31, 0.3);
}

.mobile-menu-toggle i {
  color: var(--text-primary);
  font-size: 1.2rem;
  transition: var(--transition);
}

.mobile-menu-toggle:hover i {
  color: var(--white);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
}