/* Base & Typography */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    overflow-x: hidden;
  }

  ::selection {
    background-color: rgba(13, 148, 136, 0.2);
    color: #0f766e;
  }

  /* Hero Background */
  .hero-bg {
    background-image: url('https://images.pexels.com/photos/35493888/pexels-photo-35493888.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1280');
  }

  .hero-overlay {
    background: linear-gradient(
      135deg,
      rgba(15, 23, 42, 0.75) 0%,
      rgba(15, 23, 42, 0.55) 50%,
      rgba(13, 148, 136, 0.35) 100%
    );
  }

  /* Scroll Indicator */
  .scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
  }

  .scroll-indicator:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
  }

  /* Navigation */
  .nav-link {
    position: relative;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #14b8a6;
    transition: width 0.3s ease;
  }

  .nav-link:hover::after {
    width: 100%;
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
  }

  #navbar.scrolled .nav-link {
    color: #475569;
  }

  #navbar.scrolled .nav-link:hover {
    color: #0d9488;
  }

  #navbar.scrolled .font-serif {
    color: #1e293b;
  }

  /* Reveal Animations */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
  }

  .reveal[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* Service Cards */
  .service-card {
    transition: transform 0.5s ease, box-shadow 0.5s ease;
  }

  .service-card:hover {
    transform: translateY(-4px);
  }

  /* Area Cards */
  .area-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 0.75rem;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
    pointer-events: none;
  }

  .area-card:hover::after {
    border-color: rgba(255, 255, 255, 0.3);
  }

  /* Testimonial Cards */
  .testimonial-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }

  .testimonial-card:hover {
    transform: translateY(-4px);
  }

  /* Mobile Menu */
  #mobile-menu {
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Focus styles */
  input:focus,
  select:focus,
  textarea:focus {
    outline: none;
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    .reveal[data-reveal] {
      opacity: 1;
      transform: none;
    }

    .reveal[data-reveal].revealed {
      opacity: 1;
      transform: none;
    }

    .service-card,
    .testimonial-card,
    .area-card img {
      transition: none;
    }

    .scroll-indicator svg {
      animation: none;
    }
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #f1f5f9;
  }

  ::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
  }