/* Mobile-first responsive design */

/* Small screens (phones) */
@media (max-width: 767px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .header-content {
    padding: 0 var(--spacing-sm);
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    font-size: 0.9rem;
    padding: var(--spacing-xs);
  }
  
  .logo {
    font-size: 1.25rem;
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
  
  .section-title {
    font-size: 1.5rem;
    margin-bottom: 0;
  }
  
  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .card-image {
    height: 150px;
  }
  
  .card-content {
    padding: var(--spacing-sm);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .btn-large {
    width: 100%;
    padding: var(--spacing-md);
  }
  
  .modal-content {
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
  }
  
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

/* Medium screens (tablets) */
@media (min-width: 768px) and (max-width: 1023px) {
  .container {
    max-width: 1200px;
  }
  
  .grid-6 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large screens (desktops) */
@media (min-width: 1024px) {
  .container {
    max-width: 1200px;
  }
  
  .header-content {
    padding: 0 var(--spacing-lg);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Extra large screens */
@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
    padding: 0 var(--spacing-md);
  }
}

/* Navigation responsiveness */
@media (max-width: 600px) {
  .nav-links {
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 8px var(--shadow-light);
    padding: var(--spacing-md);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
}

@media (min-width: 601px) {
  .nav-toggle {
    display: none;
  }
}

/* Form responsiveness */
@media (max-width: 767px) {
  .form-group {
    margin-bottom: var(--spacing-sm);
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    padding: var(--spacing-sm);
    font-size: 16px; /* Prevents zoom on iOS */
  }
}

/* Card responsiveness */
@media (max-width: 480px) {
  .card {
    margin-bottom: var(--spacing-md);
  }
  
  .card-image {
    height: 180px;
  }
}

/* Utility classes for responsive design */
.hide-mobile {
  display: none;
}

.show-mobile {
  display: block;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: block;
  }
  
  .show-mobile {
    display: none;
  }
  
  .hide-tablet {
    display: none;
  }
  
  .show-tablet {
    display: block;
  }
}

@media (min-width: 1024px) {
  .hide-tablet {
    display: block;
  }
  
  .show-tablet {
    display: none;
  }
  
  .hide-desktop {
    display: none;
  }
  
  .show-desktop {
    display: block;
  }
}

/* Print styles */
@media print {
  .header,
  .footer,
  .btn,
  .modal {
    display: none !important;
  }
  
  .main {
    margin-top: 0;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}