/* 
 * iTransformly Responsive Stylesheet
 * Author: Manus AI
 * Version: 1.0
 */

/* Media Queries for Responsive Design */

/* Extra small devices (phones, 576px and down) */
@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.75rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .features {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  /* Mobile Navigation */
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--primary-bg);
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--medium-gray);
    border-bottom: 1px solid var(--medium-gray);
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .nav-item {
    margin: 0.25rem 0;
    text-align: center;
  }
  
  .nav-link {
    font-size: 0.8rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  /* Mobile Navigation */
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--primary-bg);
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--medium-gray);
    border-bottom: 1px solid var(--medium-gray);
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .nav-item {
    margin: 0.25rem 0;
    text-align: center;
  }
  
  .nav-link {
    font-size: 0.8rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-link {
    font-size: 0.8rem;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .features {
    grid-template-columns: repeat(4, 1fr);
  }
}