body {
    font-family: 'Vazirmatn', 'Poppins', sans-serif;
    scroll-behavior: smooth;
    background-color: #f9fafb;
    transition: background-color 0.3s ease;
  }
  .dark {
    background-color: #1f2937;
  }
  .dark .text-gray-700 { color: #d1d5db; }
  .dark .bg-white { background-color: #1f2937; }
  .dark .bg-gray-50 { background-color: #111827; }
  .dark .glass { background: rgba(31, 41, 55, 0.3); border-color: rgba(255, 255, 255, 0.1); }
  .glass {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
  }
  .glass:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(34, 211, 238, 0.3);
    background: rgba(255, 255, 255, 0.25);
  }
  .hero-bg {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
  }
  .navbar-link {
    position: relative;
    transition: color 0.3s ease, transform 0.3s ease;
  }
  .navbar-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    right: 0;
    background-color: #22d3ee;
    transition: width 0.3s ease;
  }
  .navbar-link:hover::after {
    width: 100%;
  }
  .navbar-link:hover, .navbar-link:focus {
    transform: scale(1.1);
    outline: 2px solid #22d3ee;
    outline-offset: 2px;
  }
  .cta-button {
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  .cta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 150%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.4s ease;
  }
  .cta-button:hover::after {
    left: 150%;
  }
  .cta-button:hover, .cta-button:focus {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(34, 211, 238, 0.5);
    outline: 2px solid #22d3ee;
    outline-offset: 2px;
  }
  .animate-image {
    transition: transform 0.5s ease, opacity 0.5s ease, filter 0.5s ease;
    object-fit: cover;
    width: 100%;
  }
  .animate-image:hover {
    transform: scale(1.1) rotate(3deg);
    opacity: 0.9;
    filter: brightness(110%);
  }
  .section-title {
    position: relative;
    display: inline-block;
  }
  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(to left, #22d3ee, #06b6d4);
    transition: width 0.4s ease;
  }
  .section-title:hover::after {
    width: 100%;
  }
  #particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  .sticky-cta {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 50;
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
  }
  [dir="ltr"] {
    font-family: 'Poppins', sans-serif;
    text-align: left;
  }
  [dir="ltr"] .navbar-link::after {
    left: 0;
    right: auto;
  }
  [dir="ltr"] .section-title::after {
    left: 0;
    right: auto;
  }
  .parallax {
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    position: relative;
  }
  /* Accessibility Improvements */
  :focus {
    outline: 2px solid #22d3ee;
    outline-offset: 2px;
  }
  /* Newsletter Input */
  .newsletter-input {
    transition: all 0.3s ease;
  }
  .newsletter-input:focus {
    border-color: #22d3ee;
    box-shadow: 0 0 8px rgba(34, 211, 238, 0.3);
  }