    :root {
      --primary-color: #0066CC;
      --secondary-color: #f8f9fa;
      --accent-color: #ff6b6b;
      --dark-color: #1a3249;
      --light-color: #f5f7fa;
    }

    body {
      font-family: "Poppins", sans-serif;
      overflow-x: hidden;
      color: var(--dark-color);
    }

    a {
        text-decoration: none;
    }

    nav.navbar {
      backdrop-filter: saturate(180%) blur(20px);
      background-color: rgba(255, 255, 255, 0.85);
      transition: background-color 0.3s ease, box-shadow 0.3s ease;
    }
    
    nav.navbar.scrolled {
      background-color: var(--primary-color);
      box-shadow: 0 4px 15px rgba(74, 107, 255, 0.3);
    }
    
    nav.navbar .nav-link {
      transition: color 0.3s ease;
    }
    
    nav.navbar .nav-link:hover,
    nav.navbar .nav-link:focus {
      color: var(--accent-color);
    }
    
    nav.navbar .dropdown-menu {
      border-radius: 10px;
      min-width: 12rem;
    }
    
    nav.navbar .dropdown-item:hover {
      background-color: var(--primary-color);
      color: white;
    }
    
    .navbar-brand i {
      margin-right: 8px;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }
    
    .navbar-brand:hover i {
      transform: rotate(15deg);
    }

    .hero-section {
      background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
      padding: 5rem 0;
      margin-bottom: 3rem;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 40%;
      height: 100%;
      background: url("https://images.unsplash.com/photo-1600585152220-90363fe7e115?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=60")
        no-repeat center/cover;
      clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
      z-index: 0;
      opacity: 0.8;
    }

    .hero-title {
      font-size: 3.5rem;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 2rem;
      line-height: 1.2;
    }
    
    .section-title {
      font-size: 2.5rem;
      font-weight: 600;
      color: var(--dark-color);
      margin-bottom: 2rem;
      position: relative;
    }

    .section-title:after {
      content: "";
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background: var(--primary-color);
      border-radius: 2px;
    }

    .text-center .section-title:after {
      left: 50%;
      transform: translateX(-50%);
    }

    .cleaning-option {
      background: white;
      border-radius: 15px;
      padding: 2.5rem 2rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      margin-bottom: 2rem;
      border: none;
      text-align: center;
      position: relative;
      overflow: hidden;
      z-index: 1;
    }

    .cleaning-option::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 5px;
      background: var(--primary-color);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s ease;
      z-index: -1;
    }

    .cleaning-option:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }

    .cleaning-option:hover::after {
      transform: scaleX(1);
    }

    .cleaning-option i {
      font-size: 2.5rem;
      color: var(--primary-color);
      margin-bottom: 1.5rem;
      transition: all 0.3s ease;
    }

    .cleaning-option:hover i {
      transform: scale(1.2);
    }

    .easy-steps {
      background: linear-gradient(
        135deg,
        var(--dark-color) 0%,
        #1a3249 100%
      );
      color: white;
      padding: 6rem 0;
      margin: 5rem 0;
      position: relative;
      overflow: hidden;
    }

    .easy-steps::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 200px;
      height: 200px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
    }

    .easy-steps::after {
      content: "";
      position: absolute;
      bottom: -80px;
      left: -80px;
      width: 300px;
      height: 300px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 50%;
    }

    .step-number {
      font-size: 5rem;
      font-weight: 700;
      color: rgba(255, 255, 255, 0.1);
      line-height: 1;
      margin-bottom: 1rem;
      transition: all 0.3s ease;
    }

    .step-content:hover .step-number {
      color: rgba(255, 255, 255, 0.2);
    }

    .step-content {
      position: relative;
      z-index: 1;
      padding: 0 1.5rem;
    }

    .cta-section {
      background: var(--secondary-color);
      padding: 5rem 0;
      border-radius: 30px;
      margin: 4rem 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url("https://images.unsplash.com/photo-1598300042247-d088f8ab3a91?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=60")
        no-repeat center/cover;
      opacity: 0.05;
      z-index: 0;
    }

    .btn-primary-custom {
      background-color: var(--primary-color);
      border: none;
      padding: 12px 30px;
      border-radius: 50px;
      font-weight: 600;
      box-shadow: 0 5px 15px rgba(74, 107, 255, 0.3);
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      position: relative;
      overflow: hidden;
      z-index: 1;
    }

    .btn-primary-custom::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, #3a5bef 0%, #2a4bdf 100%);
      z-index: -1;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .btn-primary-custom:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(74, 107, 255, 0.4);
    }

    .btn-primary-custom:hover::before {
      opacity: 1;
    }

    .btn-outline-custom {
      border: 2px solid var(--primary-color);
      color: var(--primary-color);
      padding: 12px 30px;
      border-radius: 50px;
      font-weight: 600;
      background: white;
      transition: all 0.3s ease;
    }

    .btn-outline-custom:hover {
      background: var(--primary-color);
      color: white;
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(74, 107, 255, 0.3);
    }

    .testimonial-card {
      background: white;
      border-radius: 15px;
      padding: 2rem;
      box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
      margin-bottom: 2rem;
      transition: all 0.3s ease;
      border-left: 4px solid transparent;
    }

    .testimonial-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      border-left: 4px solid var(--primary-color);
    }

    .social-icon {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--secondary-color);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin: 0 10px;
      color: var(--primary-color);
      font-size: 1.2rem;
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .social-icon:hover {
      background: var(--primary-color);
      color: white;
      transform: translateY(-5px) scale(1.1);
      box-shadow: 0 5px 15px rgba(74, 107, 255, 0.3);
    }

    .faq-item {
      margin-bottom: 1.5rem;
      border-bottom: 1px solid #eee;
      padding-bottom: 1.5rem;
      transition: all 0.3s ease;
    }

    .faq-question {
      font-weight: 600;
      color: var(--dark-color);
      cursor: pointer;
      padding: 0.5rem 0;
      position: relative;
      padding-left: 30px;
    }

    .faq-question::before {
      content: "+";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1.2rem;
      color: var(--primary-color);
      transition: all 0.3s ease;
    }

    .faq-item.active .faq-question::before {
      content: "-";
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding-left: 30px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-top: 1rem;
    }

    .contact-section {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 6rem 0;
      margin-top: 5rem;
      position: relative;
      overflow: hidden;
    }

    .contact-section::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 200px;
      height: 200px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
    }

    .form-control {
      padding: 15px;
      border-radius: 10px;
      border: none;
      margin-bottom: 1.5rem;
      transition: all 0.3s ease;
    }

    .form-control:focus {
      box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }

    .btn-contact {
      background: white;
      color: var(--primary-color);
      font-weight: 600;
      padding: 12px 30px;
      border-radius: 50px;
      border: none;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .btn-contact:hover {
      background: #0066CC;
      color: #fff;
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .stats-item {
      padding: 2rem;
      border-radius: 15px;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: all 0.3s ease;
    }

    .stats-item:hover {
      transform: translateY(-5px);
      background: rgba(255, 255, 255, 0.15);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .glow-on-hover {
      transition: box-shadow 0.3s ease;
    }

    .glow-on-hover:hover {
      box-shadow: 0 0 20px rgba(74, 107, 255, 0.5);
    }

    @keyframes float {
      0% {
        transform: translateY(0px);
      }
      50% {
        transform: translateY(-15px);
      }
      100% {
        transform: translateY(0px);
      }
    }

    .floating {
      animation: float 6s ease-in-out infinite;
    }

    @keyframes pulse {
      0% {
        transform: scale(1);
      }
      50% {
        transform: scale(1.05);
      }
      100% {
        transform: scale(1);
      }
    }

    .pulse-on-hover:hover {
      animation: pulse 1.5s infinite;
    }

    ::-webkit-scrollbar {
      width: 10px;
    }

    ::-webkit-scrollbar-track {
      background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
      background: var(--primary-color);
      border-radius: 10px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: #3a5bef;
    }

    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      background: var(--primary-color);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      z-index: 999;
    }

    .back-to-top.active {
      opacity: 1;
      visibility: visible;
    }

    .back-to-top:hover {
      background: #3a5bef;
      transform: translateY(-3px);
    }

    .footer {
      background-color: var(--light-color);
      padding: 5rem 0 2rem;
      color: var(--dark-color);
    }

    .footer-logo {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--dark-color);
      text-decoration: none;
      display: block;
      margin-bottom: 1.5rem;
    }

    .footer-logo span {
      color: var(--primary-color);
    }

    .footer-about {
      margin-bottom: 2rem;
    }

    .footer-about p {
      margin-bottom: 1.5rem;
    }

    .footer-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background-color: var(--primary-color);
      color: white;
      border-radius: 50%;
      margin-right: 10px;
      transition: all 0.3s ease;
    }

    .footer-social a:hover {
      background-color: var(--dark-color);
      transform: translateY(-3px);
    }

    .footer-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
      color: var(--dark-color);
    }

    .footer-links {
      list-style: none;
      padding: 0;
    }

    .footer-links li {
      margin-bottom: 0.8rem;
    }

    .footer-links a {
      color: var(--dark-color);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .footer-links a:hover {
      color: var(--primary-color);
      padding-left: 5px;
    }

    .footer-contact-info {
      list-style: none;
      padding: 0;
    }

    .footer-contact-info li {
      margin-bottom: 1rem;
      display: flex;
      align-items: flex-start;
    }

    .footer-contact-info i {
      margin-right: 10px;
      color: var(--primary-color);
      font-size: 1.1rem;
      margin-top: 3px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(0, 0, 0, 0.1);
      padding-top: 2rem;
      margin-top: 3rem;
    }

    .footer-payments i {
      font-size: 1.8rem;
      margin-left: 10px;
      color: var(--dark-color);
      transition: all 0.3s ease;
    }

    .footer-payments i:hover {
      color: var(--primary-color);
    }