:root {
        --red: #ed6464;
        --red-glow: rgba(237, 100, 100, 0.4);
        --dark-card: #111111;
        --white: #ffffff;
        --text-muted: #888888;
        --text-light: #c9c4bd;
        --border-glass: rgba(255, 255, 255, 0.08);
        --bg-treatment: rgba(255, 255, 255, 0.03);
        --bg-treatment-hover: rgba(255, 255, 255, 0.07);
        --font-main: 'Barlow', system-ui, sans-serif;
        --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
      }

      /* 1. SEZIONE E CONTENITORE */
      .catalog-section { padding: 80px 0; background: #F3F3F4; font-family: var(--font-main); -webkit-font-smoothing: antialiased; }
      .catalog-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
      
      .catalog__header { text-align: center; max-width: 720px; margin: 0 auto 50px; }
      .catalog__header .eyebrow { 
        display: inline-flex; align-items: center; gap: 10px; 
        font-size: 13px; font-weight: 600; letter-spacing: 0.12em; 
        text-transform: uppercase; color: var(--red); margin-bottom: 15px;
      }
      .catalog__header h2 { font-size: 46px; font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; color: #111; margin-bottom: 20px; }
      .catalog__header p { margin-top: 18px; font-size: 18px; color: #555; line-height: 1.5; }

      /* 2. TABS (PILLS) */
      .tabs-nav { 
        display: flex; justify-content: center; gap: 5px; 
        padding: 5px; background: #fff; border-radius: 100px; 
        box-shadow: 0 8px 30px rgba(0,0,0,0.04); margin-bottom: 45px; 
        list-style: none !important; overflow-x: auto; scrollbar-width: none;
        margin-left: 0; padding-left: 5px;
      }
      .tabs-nav::-webkit-scrollbar { display: none; }
      
      .tab-trigger { 
        height: 48px; padding: 0 20px; border-radius: 100px;
        border: none; background: transparent;
        font-family: var(--font-main); font-size: 14.5px; font-weight: 600;
        color: #777; cursor: pointer; white-space: nowrap;
        transition: all 0.3s var(--ease);
        display: flex; align-items: center; gap: 7px;
      }
      .tab-trigger span { font-size: 9.5px; opacity: 0.4; font-weight: 700; }
      .tab-trigger:hover:not([aria-selected="true"]) { color: var(--red); background: rgba(237, 100, 100, 0.04); }
      .tab-trigger[aria-selected="true"] { 
        background: var(--red); color: var(--white); 
        box-shadow: 0 8px 18px rgba(237, 100, 100, 0.25);
      }

      /* 3. MAIN CARD */
      .main-card { 
        background: var(--dark-card); border-radius: 32px;
        border: 1px solid var(--border-glass);
        box-shadow: 0 40px 100px rgba(0,0,0,0.25);
        overflow: hidden; display: none;
        min-height: 580px;
      }
      .main-card.is-active { 
        display: grid; grid-template-columns: 55fr 45fr; 
        animation: fadeReveal 0.6s var(--ease);
      }

      @keyframes fadeReveal { 
        from { opacity: 0; transform: translateY(25px); } 
        to { opacity: 1; transform: translateY(0); } 
      }

      /* 4. CARD BODY CONTENT */
      .card-body { padding: 50px 60px; display: flex; flex-direction: column; justify-content: center; }
      .card-eyebrow { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--red); margin-bottom: 12px; letter-spacing: 2px; }
      .card-title { font-size: 44px; font-weight: 700; color: var(--white) !important; margin-bottom: 16px; letter-spacing: -0.02em; line-height: 1.1; }
      .card-desc { font-size: 18px; color: var(--text-light); line-height: 1.5; margin-bottom: 35px; }

      /* 5. TREATMENT CARDS & LIST */
      .treatment-list { display: flex; flex-direction: column; gap: 10px; }
      .treatment-item { 
        display: flex; align-items: center; gap: 18px;
        padding: 10px 20px;
        border-radius: 16px; border: 1px solid transparent;
        transition: all 250ms var(--ease); cursor: pointer;
      }
      .treatment-item:hover { 
        background: var(--bg-treatment-hover); 
        transform: translateX(10px);
        border-color: rgba(255,255,255,0.05);
      }

      .dot-icon { 
        width: 8px; height: 8px; background: var(--red); border-radius: 50%;
        box-shadow: 0 0 12px var(--red-glow); flex-shrink: 0;
        transition: transform 0.3s var(--ease);
      }
      .treatment-item:hover .dot-icon { transform: scale(1.5); }

      .item-info { display: flex; flex-direction: column; gap: 2px; }
      .item-name { font-size: 16.8px; font-weight: 600; color: var(--white); line-height: 1.2; }
      .item-tech { font-size: 14px; color: var(--text-muted); font-weight: 400; }

      /* 6. IMMAGINE */
      .image-wrapper { padding: 40px 40px 40px 0; height: 100%; }
      .image-container { 
        width: 100%; height: 100%; border-radius: 20px; 
        overflow: hidden; position: relative;
      }
      .image-container img { 
        width: 100%; height: 100%; object-fit: cover; 
        transition: transform 1.5s var(--ease);
      }
      .main-card:hover .image-container img { transform: scale(1.05); }

      /* Desktop Refinements */
      @media (min-width: 769px) {
        .tabs-nav { justify-content: space-between; width: 100%; }
        .item-name { font-size: 18px; }
        .item-tech { font-size: 16.8px; background: transparent !important; padding: 0 !important; }
        .tab-trigger { font-size: 15.5px; padding: 0 18px; }
      }

      /* Responsive Mobile */
      @media (max-width: 768px) {
        .catalog__header h2 { font-size: 32px; }
        .main-card.is-active { grid-template-columns: 1fr; min-height: auto; }
        .image-wrapper { height: 300px; padding: 20px; order: -1; }
        .card-body { padding: 35px 24px; }
        .card-title { font-size: 28px; }
        .tabs-nav { justify-content: flex-start; }
      }