:root {
    --primary-color: #4a4a4a;
    --secondary-color: #808080;
    --text-color: #333;
    --bg-color: #f0f0f0;
  }
  
  body {
    font-family: "Poppins", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
  }
  
  .hero-section {
    background: #f0f0f0;
    position: relative;
    overflow: hidden;
  }
  
  .hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,128L48,144C96,160,192,192,288,186.7C384,181,480,139,576,138.7C672,139,768,181,864,186.7C960,192,1056,160,1152,144C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E')
      no-repeat bottom;
    background-size: cover;
    z-index: 0;
  }
  
  .hero-section .container {
    position: relative;
    z-index: 1;
  }
  
  .navbar-brand {
    font-weight: 700;
    color: #4a4a4a !important;
  }
  
  .nav-link {
    color: #808080 !important;
    transition: color 0.3s ease;
  }
  
  .nav-link:hover {
    color: #fff !important;
  }
  
  .hero-title {
    color: #4a4a4a;
    text-shadow: none;
  }
  
  .hero-subtitle {
    color: #808080;
  }
  
  .hero-cta {
    background-color: #4a4a4a;
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    color: #fff;
  }
  
  .hero-cta:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
  }
  
  .image-container {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background: #fff;
  }
  
  .image-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  }
  
  .image-container img {
    transition: all 0.5s ease;
  }
  
.image-container:hover img {
    transform: scale(1.05);
    filter: none;
}

.image-container:not(:hover) img {
    filter: grayscale(100%) brightness(0.5) contrast(1.2);
    opacity: 0.7;
}

.image-container:hover ~ .image-container img {
    filter: grayscale(100%) brightness(0.5) contrast(1.2);
    opacity: 0.7;
}

.hero-title:hover,
.hero-subtitle:hover {
    color: #45a049;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transform: scale(1.02);
    transition: all 0.3s ease;
}

  
  @media (max-width: 991px) {
    .hero-title {
      font-size: 2.5rem;
    }
  }