/* Responsive Styles */

/* Small devices (portrait phones, less than 640px) */
@media (max-width: 639.98px) {
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  section {
    padding: var(--spacing-10) 0;
  }
  
  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--background-primary);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: var(--spacing-4);
    transition: var(--transition-base);
    z-index: var(--z-index-header);
  }
  
  .mobile-menu-open .nav-links {
    display: flex;
  }
  
  .nav-links li {
    margin: 0;
    padding: var(--spacing-2) 0;
    width: 100%;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-links li:last-child {
    border-bottom: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero .container {
    flex-direction: column;
    gap: var(--spacing-8);
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .code-container {
    width: 100%;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .stats-container {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .work-filter {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero::before,
  .hero::after {
    background-size: 15px 15px; /* Smaller pattern for mobile */
  }
  
  :root {
    --animation-speed: 15s; /* Slightly faster animation on mobile */
  }
}

/* Medium devices (tablets, less than 768px) */
@media (min-width: 640px) and (max-width: 767.98px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--background-primary);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: var(--spacing-4);
    transition: var(--transition-base);
    z-index: var(--z-index-header);
  }
  
  .mobile-menu-open .nav-links {
    display: flex;
  }
  
  .nav-links li {
    margin: 0;
    padding: var(--spacing-2) 0;
    width: 100%;
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-links li:last-child {
    border-bottom: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero .container {
    flex-direction: column;
    gap: var(--spacing-10);
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
  }
}

/* Large devices (desktops, less than 1024px) */
@media (min-width: 768px) and (max-width: 1023.98px) {
  .hero .container {
    gap: var(--spacing-6);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  
  .contact-wrapper {
    gap: var(--spacing-6);
  }
}

/* Extra large devices (large desktops, 1024px and up) */
@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .work-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Adjustments for specific components */

/* Adjustments for work items */
@media (max-width: 767.98px) {
  .work-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

/* Adjustments for hero section on smaller screens */
@media (max-width: 767.98px) {
  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: var(--spacing-10);
  }
}

/* Menu adjustments */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
  
  .nav-links {
    display: flex !important; /* !important to override any display:none from JS */
  }
}

/* Adjustments for contact form */
@media (max-width: 1023.98px) {
  .contact-form {
    padding: var(--spacing-6);
  }
}

/* Adjustments for service cards on small screens */
@media (max-width: 639.98px) {
  .service-card {
    padding: var(--spacing-4);
  }
}

/* Adjustments for footer on very small screens */
@media (max-width: 359.98px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    justify-content: center;
  }
}