/* Mobile UX Enhancements */

/* Touch-friendly button sizes */
@media (max-width: 768px) {
  .btn, button {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 20px;
    font-size: 16px;
  }
  
  /* Calculator form improvements */
  .shape-select {
    font-size: 16px;
    padding: 12px;
    border-radius: 8px;
  }
  
  .form-control {
    font-size: 16px;
    padding: 12px;
    border-radius: 8px;
    min-height: 44px;
  }
  
  /* Service cards mobile optimization */
  .service-card {
    margin: 10px 0;
    padding: 20px 15px;
  }
  
  .service-card h3 {
    font-size: 1.3rem;
    margin: 10px 0;
  }
  
  .service-card p {
    font-size: 0.9rem;
    margin: 8px 0;
  }
  
  /* Portfolio items mobile optimization */
  .portfolio-item {
    margin-bottom: 20px;
  }
  
  .portfolio-item img {
    border-radius: 8px;
    transition: transform 0.3s ease;
  }
  
  .portfolio-item:hover img {
    transform: scale(1.02);
  }
  
  /* Contact form mobile improvements */
  .contact .form-control {
    margin-bottom: 15px;
  }
  
  .contact .btn {
    width: 100%;
    margin-top: 20px;
  }
  
  /* Navigation mobile improvements */
  .navmenu ul li a {
    padding: 15px 20px;
    font-size: 16px;
  }
  
  /* Hero section mobile optimization */
  .hero h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 20px;
  }
  
  .hero p {
    font-size: 1.1rem;
    line-height: 1.4;
  }
  
  /* About section mobile */
  .about .icon-box {
    margin-bottom: 30px;
    padding: 20px 15px;
  }
  
  .about .icon-box h4 {
    font-size: 1.2rem;
    margin: 15px 0 10px 0;
  }
  
  .about .icon-box p {
    font-size: 0.95rem;
    line-height: 1.5;
  }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
  .service-card {
    flex: 1 1 45%;
    max-width: 45%;
  }
  
  .portfolio-item {
    flex: 1 1 48%;
  }
}

/* Touch interactions */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects on touch devices */
  .service-card:hover,
  .portfolio-item:hover {
    transform: none;
  }
  
  /* Add active states for touch */
  .btn:active,
  button:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
  
  .service-card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
  
  .portfolio-item:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
}

/* Calculator mobile specific improvements */
@media (max-width: 576px) {
  #calculator-form .form-group {
    margin-bottom: 20px;
  }
  
  #calculator-form label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
  }
  
  .result-text {
    font-size: 1.1rem;
    padding: 15px;
    text-align: center;
    margin: 20px 0;
  }
  
  #shape-image {
    max-width: 100%;
    height: auto;
    margin-top: 20px;
  }
  
  .dropdowns-wrapper {
    flex-direction: column;
    gap: 15px;
  }
  
  .form-group-fullwidth {
    width: 100%;
  }
}

/* Form validation mobile styles */
.invalid-feedback {
  font-size: 14px;
  margin-top: 5px;
  color: #dc3545;
}

.is-invalid {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Loading states */
.loading {
  display: none;
  text-align: center;
  padding: 20px;
  color: #006fad;
}

.loading::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #006fad;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
  margin-left: 10px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Success and error messages */
.sent-message,
.error-message {
  display: none;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  text-align: center;
  font-weight: 500;
}

.sent-message {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.error-message {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus indicators for keyboard navigation */
.btn:focus,
button:focus,
.form-control:focus,
select:focus {
  outline: 2px solid #006fad;
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .service-card,
  .portfolio-item {
    border: 2px solid #000;
  }
  
  .btn {
    border: 2px solid #000;
  }
}