* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    background: white;
  }
  
  .section-container {
    background: white;
    display: flex;
    justify-content: center;
    width: 100%;
  }
  
  .main-container {
    background: white;
    width: 100%;
    max-width: 1920px;
    position: relative;
    height: 717px;
  }
  
  .background-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
  }
  
  .dark-background {
    position: absolute;
    width: 100%;
    height: 1080px;
    background: #292929;
  }
  
  .vector {
    position: absolute;
    width: 100%;
    height: 659px;
    left: 0;
  }
  
  .bottom-vector {
    bottom: 0;
  }
  
  .top-vector {
    top: 0;
  }
  
  .content-wrapper {
    position: relative;
    z-index: 10;
    padding-top: 192px;
    width: 100%;
  }
  
  .main-title {
    color: white;
    font-family: 'FUTURA PT';
    font-size: 908px;
    font-weight: 300;
    letter-spacing: 0;
    line-height: normal;
    margin-left: 60px;
    white-space: nowrap;
  }
  
  .cards-wrapper {
    display: flex;
    align-items: center;
    margin-top: 50px;
  }
  
  .button-card {
    width: 355px;
    height: 144px;
    background: white;
    border-radius: 1000px;
    margin-left: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .button-text {
    font-family: 'Futura PT', Helvetica;
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 7.2px;
    line-height: 22px;
    white-space: nowrap;
    text-transform: uppercase;
  }
  
  .main-logo-card {
    width: 489px;
    height: 504px;
    background: white;
    border-radius: 90px;
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .logo-content {
    padding: 39px;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .main-logo {
    width: 436px;
    height: 436px;
    object-fit: cover;
  }
  
  .side-logos {
    position: relative;
    margin-left: 150px;
  }
  
  .small-logo-card {
    width: 268px;
    height: 276px;
    background: white;
    border-radius: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .small-logo-card.faded {
    opacity: 0.64;
  }
  
  .small-logo-card.offset {
    width: 291px;
    height: 300px;
    position: absolute;
    top: 0;
    left: 327px;
  }
  
  .small-logo-content {
    padding: 39px;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .side-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  .arrow-button {
    position: absolute;
    top: -40px;
    left: 140px;
    height: 96px;
    width: 48px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
  }
  
  .arrow-button svg {
    height: 100%;
    width: 100%;
    color: white;
  }

  .referanslar {
    position: relative;
    width: 100%;
    padding: 40px 0;
    overflow: visible;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
  }

  /* Logo-specific background colors */
  .referanslar .slide[data-logo="imeras"] { background-color: #ffcd70; } /* warm yellow */
  .referanslar .slide[data-logo="anacag"] { background-color: #e32565; } /* bright pink */
  .referanslar .slide[data-logo="badel"] { background-color: #149cb1; } /* turquoise */
  .referanslar .slide[data-logo="eal"] { background-color: #0f2d65; } /* navy blue */
  .referanslar .slide[data-logo="ati"] { background-color: #757453; } /* olive */
  .referanslar .slide[data-logo="fee-muse"] { background-color: #9b6979; } /* dusty rose */
  .referanslar .slide[data-logo="frigya"] { background-color: #ea8130; } /* orange */
  .referanslar .slide[data-logo="ipg"] { background-color: #6d6e71; } /* gray */
  .referanslar .slide[data-logo="ltg"] { background-color: #e62229; } /* red */

  /* When a slide is visible, update the section background */
  .referanslar .slide.visible-center[data-logo="imeras"] ~ .referanslar { background-color: #ffcd70; }
  .referanslar .slide.visible-center[data-logo="anacag"] ~ .referanslar { background-color: #e32565; }
  .referanslar .slide.visible-center[data-logo="badel"] ~ .referanslar { background-color: #149cb1; }
  .referanslar .slide.visible-center[data-logo="eal"] ~ .referanslar { background-color: #0f2d65; }
  .referanslar .slide.visible-center[data-logo="ati"] ~ .referanslar { background-color: #757453; }
  .referanslar .slide.visible-center[data-logo="fee-muse"] ~ .referanslar { background-color: #9b6979; }
  .referanslar .slide.visible-center[data-logo="frigya"] ~ .referanslar { background-color: #ea8130; }
  .referanslar .slide.visible-center[data-logo="ipg"] ~ .referanslar { background-color: #6d6e71; }
  .referanslar .slide.visible-center[data-logo="ltg"] ~ .referanslar { background-color: #e62229; }

  .referanslar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.3) 100%
    );
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: multiply;
  }

  .referanslar::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 50%;
    pointer-events: none;
    z-index: 2;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 20%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0.0) 100%);
  }

  .referanslar > * {
    position: relative;
    z-index: 2;
  }

  .referanslar-baslik {
    color: white;
    font-family: 'FUTURA PT', Helvetica;
    font-size: 72px;
    margin-bottom: 60px;
    margin-left: 80px;
    font-weight: 300;
    text-align: left;
  }

  .slides {
    position: relative;
    width: 80%;
    height: 400px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0;
    margin: 0;
    margin-right: 200px;
    z-index: 2;
  }

  .slide {
    position: absolute;
    width: 40px;
    height: 300px;
    background: white;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    padding: 0;
    visibility: hidden;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  }

  .slide.visible-center {
    transform: translateX(0) scale(1);
    opacity: 1;
    visibility: visible;
    z-index: 2;
    height: 400px;
    width: 60px;
  }

  .slide.visible-left,
  .slide.visible-right {
    transform: translateX(-180px) scale(0.85);
    opacity: 1;
    visibility: visible;
    z-index: 1;
    height: 300px;
    width: 40px;
  }

  .slide.visible-right {
    transform: translateX(180px) scale(0.85);
  }

  .slide-content {
    width: 100%;
    height: 200%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    border-radius: 20px;
    background: transparent;
  }

  .slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: none;
  }

  /* Anaçağ logo optimization */
  .slide img[src*="anacag-logo"] {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    padding: 10px;
    filter: none;
  }

  .slide.visible-left img,
  .slide.visible-right img {
    width: 250%;
    height: 1500%;
    filter: none;
  }

  .slide.visible-center img {
    width: 350%;
    height: 1800%;
    filter: none;
  }

  .slide.visible-center .slide-content {
    padding: 12px;
  }

  .slide.visible-left .slide-content,
  .slide.visible-right .slide-content {
    padding: 8px;
  }

  .slide:hover img {
    filter: none;
    transform: scale(1.05);
  }

  .prev-btn,
  .next-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }

  .prev-btn svg,
  .next-btn svg {
    width: initial;
    height: initial;
    stroke: initial;
    color: initial;
  }

  .prev-btn:hover,
  .next-btn:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.04);
    box-shadow: none;
  }

  .prev-btn {
    left: 850px;
  }

  .next-btn {
    right: 150px;
  }

  .logo-name-button {
    position: absolute;
    bottom: 40px;
    left: 80px;
    background: white;
    padding: 18px 40px;
    border-radius: 50px;
    font-family: 'FUTURA PT', sans-serif;
    font-size: 28px;
    font-weight: 500;
    color: #000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    min-width: 180px;
    text-align: center;
    z-index: 10;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s ease;
    letter-spacing: 4px;
  }

  .logo-name-button:hover {
    box-shadow: 0 0 32px 8px #ffe066, 0 0 0 8px #fff, 0 0 60px 0 #ffe066;
    transform: translateY(-2px) scale(1.03);
  }

  @media (max-width: 768px) {
    .referanslar {
        padding: 30px 0;
        min-height: 50vh;
    }

    .referanslar-baslik {
        font-size: 76px;
        margin-left: 40px;
        margin-bottom: 40px;
    }

    .slides {
        justify-content: center;
        margin-right: 0;
    }

    .slide {
        width: 40px;
        height: 250px;
    }

    .slide-content {
        padding: 0;
    }

    .slide.visible-center {
        height: 350px;
        width: 60px;
    }

    .slide.visible-left,
    .slide.visible-right {
        height: 250px;
        width: 40px;
    }

    .slide.visible-center .slide-content {
        padding: 12px;
    }

    .slide.visible-left .slide-content,
    .slide.visible-right .slide-content {
        padding: 8px;
    }

    .prev-btn,
    .next-btn {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    .prev-btn svg,
    .next-btn svg {
        width: initial;
        height: initial;
    }
    .prev-btn {
        left: 100px;
    }
    .next-btn {
        right: 100px;
    }

    .slide img {
        width: 250%;
        height: 1500%;
    }

    .slide.visible-center img {
        width: 350%;
        height: 1800%;
    }

    .slide.visible-left img,
    .slide.visible-right img {
        width: 250%;
        height: 1500%;
    }

    .logo-name-button {
        padding: 10px 20px;
        font-size: 18px;
        min-width: 100px;
        letter-spacing: 2px;
        bottom: 20px;
        left: 40px;
    }
  }