:root {
    --color-bg-dark: #121212;
    --color-bg-darker: #1e1e1e;
    --color-bg-light: #f8f9fa;
    --color-text-light: #fff;
    --color-text-dark: #212529;
    --color-accent: #ffc107;
    --color-accent-dark: #128c4a;
    --color-whatsapp: #25d366;
    --color-footer-text: #aaa;
  }
  
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 4.5rem;
  }
  
  body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
  }
  
  /* Navbar */
  .navbar {
    background-color: #000 !important; /* solid black */
  }
  
  .navbar-brand {
    color: var(--color-text-light) !important;
    font-weight: bold;
    transition: color 0.3s ease;
  }
  .navbar-brand:hover {
    color: var(--color-accent) !important;
  }
  
  .nav-link {
    color: #eee !important; /* very light gray */
    transition: color 0.3s ease;
  }
  .nav-link:hover {
    color: var(--color-accent) !important;
  }
  
  .navbar-toggler-icon {
    filter: invert(100%) brightness(200%);
  }
  
  .navbar-nav.gap-3 > .nav-item {
    margin: 0 0.5rem;
  }
  
  /* Animate sections on scroll */
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* Hero Section */
  .hero {
    background:
      linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.95)),
      url('../images/4_o.jpg') no-repeat center/cover;
    min-height: 100dvh;
    padding: 3rem 1rem;
    color: var(--color-text-light);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .hero h1 {
    max-width: 800px;
    margin: 0 0 1rem;
  }
  .hero p.lead {
    max-width: 600px;
    margin: 0 0 2rem;
  }
  .contact-container {
    max-width: 600px;
    margin-top: 3rem;
  }
  .contact-container h2 {
    font-weight: 700;
    margin-bottom: 1rem;
  }
  .contact-container p.lead {
    margin-bottom: 2rem;
    color: #ffda6a;
  }
  .contact-container a.btn {
    min-width: 220px;
    margin-bottom: 1rem;
  }
  
  /* Responsive Hero Padding & Font Sizes */
  @media (max-width: 768px) {
    .hero h1 {
      font-size: 2rem;
    }
    .btn-highlight {
      font-size: 1rem;
      padding: 0.7rem 1.8rem;
    }
    .contact-container a.btn {
      min-width: 180px;
    }
  }
  @media (min-width: 768px) {
    .hero {
      padding: 12rem 4rem;
    }
  }
  @media (min-width: 1200px) {
    .hero {
      padding: 18rem 6rem;
    }
  }
  
  /* Highlight Button */
  .btn-highlight {
    background-color: var(--color-accent);
    color: black;
    font-weight: bold;
    padding: 0.9rem 2.5rem;
    font-size: 1.25rem;
    transition: background-color 0.3s ease;
  }
  
  /* Sections */
  .section-dark, .section-light {
    padding: min(10vh, 5rem) 2rem;
  }
  .section-dark {
    background-color: var(--color-bg-darker);
  }
  .section-light {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
  }
  
  /* Footer */
  footer {
    background-color: #000;
    padding: 2rem 0;
    text-align: center;
    color: var(--color-footer-text);
  }
  
  /* Contact Section */
  #contact {
    background:
      linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.9)),
      url('../images/4_o.jpg') no-repeat center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100dvh;
    position: relative;
    padding: min(10vh, 5rem) 1rem;
  }
  #contact .container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: auto;
  }
  #contact h2,
  #contact p,
  #contact a {
    margin: 0.5rem;
    display: inline-block;
    min-width: 160px;
    max-width: 100%;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
  #contact.in-view h2,
  #contact.in-view p,
  #contact.in-view a {
    opacity: 1;
    transform: translateY(0);
  }
  /* Buttons spacing */
  #contact a {
    min-width: 220px;
  }
  
  /* Floating Buttons */
  a.btn.position-fixed {
    transition: transform 0.3s ease-in-out;
  }
  a.btn.position-fixed:hover {
    transform: scale(1.05);
  }
  
  /* WhatsApp Icon Hover */
  a[href*="wa.me"] img:hover {
    transform: scale(1.1);
    box-shadow: 0 0 12px var(--color-whatsapp);
  }
  
  /* Floating WhatsApp Button */
  .floating-whatsapp {
    position: fixed;
    bottom: 70px;
    right: 20px;
    z-index: 1300;
    width: 48px;
    height: 48px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: background-color 0.3s ease;
  }
  .floating-whatsapp img {
    filter: invert(1);
    width: 24px;
    height: 24px;
  }
  .floating-whatsapp:hover {
    background-color: var(--color-accent-dark);
  }
  
  @keyframes pulse-whatsapp {
    0%, 100% {
      box-shadow:
        0 0 15px #25D366aa,
        0 0 30px #25D36655,
        0 0 45px #25D36633;
      transform: scale(1);
    }
    50% {
      box-shadow:
        0 0 25px #25D366ff,
        0 0 50px #25D366aa,
        0 0 75px #25D36688;
      transform: scale(1.1);
    }
  }
  
  /* Small screen floating WhatsApp adjustments */
  @media (max-width: 360px) {
    .floating-whatsapp {
      width: 56px;
      height: 56px;
      padding: 10px;
      bottom: 1rem;
      right: 1rem;
    }
  }
  
  /* Testimonials Section */
  .testimonials-wrapper {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem 0;
  }
  .testimonials-wrapper blockquote {
    min-width: 300px;
    max-width: 320px;
    flex: 0 0 auto;
    border-left: 5px solid var(--color-accent);
    border-radius: 8px;
    background-color: #fff;
    color: var(--color-text-dark);
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(136, 136, 136, 0.15);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  #testimonials blockquote footer.blockquote-footer {
    color: #202020;
    background-color: #e7e7e7;
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 0.5rem;
  }
  
  /* Animation delays for fade-in */
  .animated-fadein {
    animation: fadeInUp 0.8s forwards;
  }
  .delay-1 { animation-delay: 0.2s; }
  .delay-2 { animation-delay: 0.4s; }
  .delay-3 { animation-delay: 0.6s; }
  .delay-4 { animation-delay: 0.8s; }
  
  @keyframes fadeInUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Stats numbers styling */
  #trusted-stats .stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    user-select: none;
  }
  
  /* Sticky CTA Banner */
  #sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-accent);
    color: black;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 -2px 8px rgb(0 0 0 / 0.3);
    z-index: 1200;
    height: 50px;
    line-height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 0 1rem;
  }
  #sticky-cta a.btn {
    font-weight: 700;
    min-width: 160px;
    white-space: nowrap;
  }
  @media (max-width: 576px) {
    #sticky-cta {
      flex-direction: column;
      gap: 0.5rem;
      font-size: 1rem;
      padding: 0.75rem 1rem;
      height: auto;
      line-height: normal;
    }
    #sticky-cta a.btn {
      width: 100%;
      min-width: auto;
    }
    /* Testimonials scroll smaller */
    .testimonials-wrapper blockquote {
      min-width: 260px;
      max-width: 260px;
    }
  }