:root {
      --primary: #223140;
      --secondary: #DEA938;
      --accent: #E34545;
      --background: #FFFFFF;
      --neutral: #F3F5F8;
      --text: #1A1A1A;
      --heading-font: 'Montserrat', Arial, sans-serif;
      --body-font: 'Roboto', Arial, sans-serif;
    }
    html, body {
      background: var(--background);
      color: var(--text);
      font-family: var(--body-font);
      scroll-behavior: smooth;
    }
    h1, h2, h3, h4, h5 {
      font-family: var(--heading-font);
      font-weight: 700;
      letter-spacing: -0.5px;
    }
    .bg-primary-v3d { background: var(--primary) !important; }
    .bg-secondary-v3d { background: var(--secondary) !important; }
    .bg-accent-v3d { background: var(--accent) !important; }
    .bg-neutral-v3d { background: var(--neutral) !important; }
    .text-primary-v3d { color: var(--primary) !important; }
    .text-secondary-v3d { color: var(--secondary) !important; }
    .text-accent-v3d { color: var(--accent) !important; }
    .navbar { font-family: var(--heading-font); }
    .navbar-brand img { max-height: 48px; }
    .navbar.sticky-top { box-shadow: 0 2px 8px rgba(0,0,0,0.03);}
    /* Hero Section */
    .hero-section {
      background-image: linear-gradient(90deg, #223140BB 50%, #DEA93866 100%), url('images/hero-studiovisione3d.jpeg');
      background-size: cover;
      background-position: center;
      color: #fff;
      position: relative;
      min-height: 480px;
      padding-top: 64px;
      padding-bottom: 64px;
      display: flex;
      align-items: center;
    }
    @media (max-width: 767.98px) {
      .hero-section { padding-top: 48px; padding-bottom: 48px; min-height: 320px; }
      .navbar { padding-left: 0.5rem; padding-right: 0.5rem; }
    }
    .hero-overlay {
      position: absolute;
      top: 0;bottom: 0;left: 0;right: 0;
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 540px;
    }
    .cta-btn {
      font-weight: 700;
      background: var(--secondary);
      color: var(--primary) !important;
      border: none;
      padding: 0.75rem 2.25rem;
      border-radius: 32px;
      display: inline-flex;
      align-items: center;
      font-size: 1.125rem;
      transition: background 0.2s;
      box-shadow: 0 0 18px rgba(34,49,64,0.08);
    }
    .cta-btn img { margin-right: 0.5rem; width: 32px; height: 32px; }
    .cta-btn:hover { background: #dfa326 !important; color: #fff !important; }
    .secondary-btn {
      color: var(--secondary);
      font-weight: 700;
      background: transparent;
      border: 2px solid var(--secondary);
      border-radius: 32px;
      padding: 0.75rem 2rem;
      margin-left: 12px;
      transition: background 0.2s, color 0.2s;
    }
    .secondary-btn:hover { background: var(--secondary); color: var(--primary) !important;}
    /* About Section */
    .about-section {
      background: var(--neutral);
      color: var(--text);
      padding-top: 64px;
      padding-bottom: 64px;
    }
    .about-img {
      border-radius: 16px;
      object-fit: cover;
    }
    /* Services Cards */
    .services-section {
      padding-top: 64px;
      padding-bottom: 64px;
    }
    .service-card {
      border: 0;
      border-radius: 1.0rem;
      background: #fff;
      box-shadow: 0 0 16px rgba(34,49,64,0.06);
      text-align: center;
      padding: 32px 24px;
      transition: transform 0.12s;
      height: 100%;
    }
    .service-card:hover { transform: translateY(-4px) scale(1.02);}
    .service-card img {
      width: 128px; height: 128px; object-fit: cover;
      border-radius: 16px; margin-bottom: 24px;
      box-shadow: 0 4px 16px rgba(34,49,64,.04);
    }
    /* Features */
    .features-section {
      background: #fff;
      padding-top: 56px; padding-bottom: 56px;
    }
    .feature-icon {
      width: 32px; height: 32px; background: var(--secondary); color: var(--primary);
      display: flex; align-items: center; justify-content: center; border-radius: 50%;
      margin-bottom: 12px; font-size: 1.25rem;
    }
    /* Portfolio */
    .portfolio-section {background: var(--neutral);padding-top: 64px;padding-bottom: 64px;}
    .portfolio-desc {max-width: 640px;}
    .portfolio-gallery {display: flex; gap: 1rem; flex-wrap: wrap;}
    .portfolio-item {
      width: 320px;
      max-width: 100%;
      margin-bottom: 1.5rem;
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 2px 16px rgba(34,49,64,0.04);
      transition: box-shadow 0.18s;
    }
    .portfolio-item:hover {box-shadow: 0 4px 24px rgba(34,49,64,0.10);}
    .portfolio-item img { width: 100%; height: 192px; object-fit: cover;}
    .portfolio-item .caption { padding: 18px 16px 10px;}
    @media (max-width: 767.98px) {
      .portfolio-gallery { flex-direction: column;}
      .portfolio-item { width: 100%; }
    }
    /* Testimonials */
    .testimonials-section { background: #fff; padding-top: 64px; padding-bottom: 64px; }
    .testimonial-slider { position: relative; max-width: 640px; margin: 0 auto;}
    .testimonial-card {
      background: var(--neutral);
      border-radius: 1rem;
      padding: 32px 24px 24px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(34,49,64,0.03);
      display: flex; flex-direction: column; align-items: center;
      min-height: 320px;
    }
    .testimonial-avatar {
      width: 96px; height: 96px; object-fit: cover; border-radius: 50%; box-shadow: 0 0 8px rgba(34,49,64,0.07); margin-bottom: 18px;
    }
    .testimonial-stars { margin-bottom: 12px; }
    .testimonial-stars .bi-star-fill { color: var(--secondary);}
    .testimonial-company {font-size: 0.95rem;}
    .testimonial-nav-btn {
      background: var(--secondary); color: var(--primary); border: none; border-radius: 50%;
      width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
      position: absolute; top: 50%; transform: translateY(-50%);
      font-size: 1.25rem; z-index: 2;
      transition: background 0.12s;
    }
    .testimonial-nav-btn:hover { background: var(--primary); color: var(--secondary);}
    .testimonial-prev { left: -56px;}
    .testimonial-next { right: -56px;}
    @media (max-width: 575.98px) {
      .testimonial-nav-btn {
        width: 36px; height: 36px; font-size: 1.05rem;
        left: -32px; right: -32px;
      }
    }
    /* Team */
    .team-section { background: #fff; padding-top: 64px; padding-bottom: 64px;}
    .team-card {
      border: none;
      background: var(--neutral);
      border-radius: 1rem;
      text-align: center;
      padding: 28px 14px 20px;
      transition: box-shadow 0.12s;
      box-shadow: 0 1px 8px rgba(34,49,64,.04);
      height: 100%;
    }
    .team-photo { width: 128px; height: 128px; object-fit: cover; border-radius: 50%; margin-bottom: 16px;}
    .team-linkedin { color: var(--accent); font-size: 1.30rem; margin-top: 8px; display: inline-block;}
    /* Newsletter */
    .newsletter-section { background: var(--primary); color: #fff; padding-top: 56px; padding-bottom: 56px;}
    .newsletter-form input[type="email"] {
      border-radius: 24px 0 0 24px;
      border-right: 0;
      padding: 0.75rem 1.2rem;
      border: none;
      min-width: 220px;
      font-size: 1rem;
    }
    .newsletter-form .btn {
      border-radius: 0 24px 24px 0;
      font-weight: 700;
      background: var(--secondary);
      color: var(--primary);
      padding-left: 2rem; padding-right: 2rem;
      border: none;
      transition: background 0.12s;
    }
    .newsletter-form .btn:hover {background: #dfa326;}
    /* Contact */
    .contact-section { background: var(--secondary); color: var(--primary); padding-top: 64px; padding-bottom: 64px;}
    .contact-form-card {
      background: #fff;
      padding: 32px 24px 24px;
      border-radius: 16px;
      max-width: 448px;
      margin: 0 auto;
      box-shadow: 0 2px 16px rgba(34,49,64,0.06);
    }
    .contact-form-card input, .contact-form-card textarea {
      border-radius: 12px;
      margin-bottom: 18px;
      resize: none;
      border: 1px solid #E4E7EC;
      font-size: 1rem;
    }
    .contact-form-card .btn {
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      border-radius: 24px;
      padding: 0.75rem 2rem;
      transition: background 0.14s;
    }
    .contact-form-card .btn:hover {background: var(--accent);}
    .contact-details a { color: var(--primary); text-decoration: underline;}
    /* Map */
    .contact-map { border-radius: 16px; margin-top: 32px; min-height: 256px; }
    /* Footer */
    .footer {
      background: var(--primary);
      color: #fff;
      padding-top: 40px;
      padding-bottom: 24px;
      font-size: 1rem;
    }
    .footer a { color: var(--secondary); text-decoration: underline;}
    .footer .footer-social a { margin-right: 8px; }
    .footer .footer-logo img { max-height: 40px;}
    .footer .footer-sitemap a { margin-right: 14px;}
    .back-to-top-btn {
      position: fixed; right: 16px; bottom: 80px;
      background: var(--secondary); color: var(--primary); border: none;
      width: 48px; height: 48px; border-radius: 50%;
      font-size: 2rem; display: flex; align-items: center; justify-content: center;
      z-index: 50; box-shadow: 0 0 12px rgba(34,49,64,0.16);
      transition: background 0.12s;
    }
    .back-to-top-btn:hover { background: var(--primary); color: var(--secondary);}
    /* Cookie Consent Banner */
    #cookie-consent-banner {
      position: fixed;
      left: 0;right: 0;bottom: 0;
      background: rgba(34,49,64,0.97);
      color: #FFF;
      z-index: 9999;
      padding: 18px 10px 18px 10px;
      display: flex;align-items: center;justify-content: center;
      box-shadow: 0 -2px 8px rgba(0,0,0,0.09);
      font-size: 1rem;
    }
    #cookie-consent-banner button {
      margin-left: 42px; padding: 9px 32px;
      background: var(--secondary); color: var(--primary); border-radius: 24px; border: none;
      font-weight: 700; font-size:1rem;
      transition: background 0.10s;
    }
    #cookie-consent-banner button:hover { background: #dfa326;}
    /* Accessible focus */
    a:focus, button:focus, input:focus, textarea:focus {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      box-shadow: none;
    }
    /* Scroll Animation Fade Up */
    .sva-fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.9s cubic-bezier(.35,1.23,.57,1), transform 0.9s cubic-bezier(.35,1.23,.57,1);
    }
    .sva-fade-up.sva-in-view {
      opacity: 1;
      transform: none;
    }