/* Base styles for testimonials section */
  #proof {
    background-color: var(--color-bg);
  }

  /* Layout 4: Testimonial Masonry Grid */
  .masonry-testimonials {
    column-count: var(--max-columns, 3);
    column-gap: 1.5rem;
    margin-top: 3.5rem;
  }
  .masonry-testimonial-card {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    display: inline-block;
    width: 100%;
  }
  @media(max-width: 991px) { .masonry-testimonials { column-count: var(--max-columns-tablet, 2); } }
  @media(max-width: 767px) { .masonry-testimonials { column-count: 1; } }

  /* Layout 5: Infinite Marquee */
  .marquee-wrapper {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 2rem 0;
    margin-top: 3.5rem;
  }
  .marquee-track {
    display: flex;
    gap: 2rem;
    width: max-content;
    animation: marqueeShift 25s linear infinite;
  }
  .marquee-track:hover {
    animation-play-state: paused;
  }
  @keyframes marqueeShift {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  .marquee-card {
    flex: 0 0 350px;
    white-space: normal;
  }

  /* Layout 8: Clean Editorial Quote */
  .editorial-quote {
    max-width: 800px;
    margin: 4rem auto 0;
    text-align: center;
    position: relative;
  }
  .editorial-quote-text {
    font-family: Georgia, serif;
    font-size: 1.6rem;
    line-height: 1.8;
    font-style: italic;
    color: var(--color-text);
  }

  /* Layout 9: Neobrutalist Chat */
  .neobrutalist-chat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
  }
  .neobrutalist-chat-card {
    background: #ffffff !important;
    border: 3px solid #111827 !important;
    box-shadow: 5px 5px 0px #111827 !important;
    padding: 1.5rem 2rem;
    border-radius: 0 !important;
  }

  /* Layout 10: Slider Fade */
  .testimonial-slider-container {
    max-width: 700px;
    margin: 3.5rem auto 0;
    text-align: center;
  }
  .slider-btn {
    background: none;
    border: 1px solid var(--color-card-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text);
    transition: all 0.2s;
  }
  .slider-btn:hover {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
  }

  /* Layout 11: Metric driven cards */
  .metric-driven-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
  }
  .metric-driven-card {
    border-top: 4px solid var(--color-primary) !important;
    padding: 2.5rem 2rem !important;
  }

  /* Layout 12: Avatar Stack Sidebar */
  .avatar-stack-container {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 3.5rem auto 0;
    align-items: center;
  }
  .avatar-stack-btn {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.2s;
  }
  .avatar-stack-btn.active {
    border-color: var(--color-primary);
    transform: scale(1.1);
  }
  @media(max-width:767px){ .avatar-stack-container { grid-template-columns: 1fr !important; gap: 2rem !important; } }

  /* Layout 13: Glass Bubbles */
  .glass-bubbles-slider {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 2rem 0;
    scroll-snap-type: x mandatory;
  }
  .glass-bubble-card {
    flex: 0 0 320px;
    background: rgba(0, 0, 0, 0.03) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    border-radius: 20px !important;
    scroll-snap-align: start;
  }
  html.dark .glass-bubble-card {
    background: rgba(255, 255, 255, 0.03) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
  }

  /* Layout 14: Timeline Success */
  .success-timeline-container {
    max-width: 800px;
    margin: 3.5rem auto 0;
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--color-primary);
  }
  .timeline-success-item {
    position: relative;
    margin-bottom: 3rem;
  }
  .timeline-success-item::before {
    content: '';
    position: absolute;
    left: calc(-2rem - 7px);
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg);
  }

  /* Layout 16: Two Column Stack */
  .two-column-testimonials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3.5rem;
  }
  @media(max-width:767px){ .two-column-testimonials { grid-template-columns: 1fr !important; } }

  /* Layout 20: Testimonials Video Grid */
  .testimonial-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
  }
  .testimonial-video-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .testimonial-video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }



      @media (max-width: 767px) {
        #proof .card-glass { grid-template-columns: 1fr !important; padding: 2rem !important; gap: 2rem !important; }
      }
      


        @media(max-width:767px){ .split-video-grid { grid-template-columns: 1fr !important; } }