/* ========================================
     Central Environmental Enterprises
     Custom Styles
     ======================================== */

  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #0f172a;
  }
  ::-webkit-scrollbar-thumb {
    background: #1e3a5f;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #0D7377;
  }

  /* Selection */
  ::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f0fdfa;
  }

  /* Hero Animations */
  .hero-image {
    animation: heroZoom 20s ease-in-out infinite alternate;
  }

  @keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
  }

  .hero-eyebrow {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.2s;
  }

  .hero-headline {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.4s;
  }

  .hero-subtitle {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.6s;
  }

  .hero-ctas {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 0.8s;
  }

  .hero-trust {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease forwards;
    animation-delay: 1s;
  }

  @keyframes fadeSlideUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Scroll line animation */
  .scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
  }

  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; height: 48px; }
    50% { opacity: 1; height: 64px; }
  }

  /* Nav transition */
  #navbar.scrolled {
    background: rgba(8, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(20, 184, 166, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  }

  /* Section animations */
  .section-eyebrow,
  .section-title,
  .section-subtitle {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

  .section-eyebrow.visible,
  .section-title.visible,
  .section-subtitle.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .section-title { transition-delay: 0.1s; }
  .section-subtitle { transition-delay: 0.2s; }

  /* Service cards */
  .service-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .service-card.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* About image */
  .about-image {
    transition: transform 0.8s ease;
  }

  .about-image-wrapper:hover .about-image {
    transform: scale(1.03);
  }

  /* Process steps */
  .process-step {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .process-step.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Testimonial cards */
  .testimonial-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* CTA buttons */
  .cta-primary {
    position: relative;
    overflow: hidden;
  }

  .cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
  }

  .cta-primary:hover::before {
    left: 100%;
  }

  /* Contact items */
  .contact-item {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

  .contact-item.visible {
    opacity: 1;
    transform: translateX(0);
  }

  /* Back to top */
  #backToTop.visible {
    opacity: 1;
    pointer-events: all;
  }

  /* Mobile menu open state */
  #mobileMenu.open {
    opacity: 1;
    pointer-events: all;
  }

  /* Mobile links */
  .mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }

  #mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }

  #mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
  #mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
  #mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
  #mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
  #mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

  /* Hamburger animation */
  #menuBtn.active #bar1 {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #menuBtn.active #bar2 {
    opacity: 0;
  }
  #menuBtn.active #bar3 {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Responsive adjustments */
  @media (max-width: 768px) {
    .hero-headline {
      font-size: 2.75rem;
    }

    .section-title {
      font-size: 2.25rem;
    }

    .process-step-number {
      font-size: 4rem !important;
      -webkit-text-stroke: 0;
    }
  }

  @media (max-width: 640px) {
    .hero-headline {
      font-size: 2.25rem;
    }

    .about-image-wrapper {
      aspect-ratio: 16/10;
    }

    .floating-card {
      position: relative;
      bottom: auto;
      right: auto;
      margin-top: 1rem;
    }
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }

    html {
      scroll-behavior: auto;
    }

    .hero-image {
      animation: none;
    }
  }

  /* Print styles */
  @media print {
    nav, #backToTop, .scroll-line {
      display: none;
    }

    body {
      background: white;
      color: black;
    }

    .hero-image,
    .about-image {
      display: none;
    }
  }