.product-tabs{--tab-b:#e5e7eb;--bg:#fff;--muted:#f9fafb;--text:#111827;--radius:12px; margin:1rem 0}
.product-tabs .tabset{position:relative}
.product-tabs .tabset input[type=radio]{position:absolute; inset:0; opacity:0; pointer-events:none}
.product-tabs .tab-nav{display:flex; flex-wrap:wrap; gap:.25rem; border-bottom:1px solid var(--tab-b)}
.product-tabs .tab-nav label{
  padding:.65rem 1rem; font-weight:600; cursor:pointer; user-select:none;
  background:var(--muted); border:1px solid var(--tab-b); border-bottom:none;
  border-top-left-radius:var(--radius); border-top-right-radius:var(--radius);
}
.product-tabs .tab-nav label:focus-visible{outline:2px solid #3b82f6; outline-offset:2px}

.product-tabs .tab-panels{border:1px solid var(--tab-b); border-top:none; background:var(--bg); border-bottom-left-radius:var(--radius); border-bottom-right-radius:var(--radius)}
.product-tabs .tab-panel{display:none; padding:1rem}
.product-tabs .tab-panel > :first-child{margin-top:0}

#tab-desc:checked ~ .tab-nav label[for=tab-desc],
#tab-lab:checked  ~ .tab-nav label[for=tab-lab],
#tab-profile:checked  ~ .tab-nav label[for=tab-profile],
#tab-faq:checked  ~ .tab-nav label[for=tab-faq]{background:var(--bg); color:var(--text); border-bottom:1px solid var(--bg)}

#tab-desc:checked ~ .tab-panels #panel-desc{display:block}
#tab-lab:checked  ~ .tab-panels #panel-lab{display:block}
#tab-profile:checked  ~ .tab-panels #panel-profile{display:block}
#tab-faq:checked  ~ .tab-panels #panel-faq{display:block}

.product-tabs:has(#panel-lab:empty) label[for=tab-lab]{display:none}
.product-tabs #panel-lab:empty{display:none !important}

@media (max-width:640px){
  .product-tabs .tab-nav{gap:.35rem}
  .product-tabs .tab-nav label{font-size:.95rem; padding:.55rem .8rem}
}

@media print{
  .product-tabs .tab-nav{display:none}
  .product-tabs .tab-panel{display:block}
}

@media (max-width:640px){
  .product-tabs{ margin:.5rem 0 }
  .product-tabs .tab-nav{
    position:sticky; top:0; z-index:2; background:var(--bg);
    overflow-x:auto; -webkit-overflow-scrolling:touch; white-space:nowrap;
    gap:.5rem; padding:.5rem .25rem; scrollbar-width:thin;
  }
  .product-tabs .tab-nav label{
    flex:0 0 auto; padding:.75rem 1rem; border-radius:999px; /* comfy tap targets */
    font-size:1rem;
  }
  .product-tabs .tab-panel{ padding:.9rem .75rem }
}

.fas, .far, .fab { display:inline-block; width:1.25em; text-align:center; }

.faq-section .toggle-container{
  contain: layout paint;
}

.subtitle {
            font-size: 1.2rem;
            color: #7f8c8d;
            font-style: italic;
        }

        .key-points {
            background-color: #e8f4fc;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        .key-points h3 {
            margin-top: 0;
            color: #2c3e50;
        }
        .protocol-box {
            background-color: #f8f9fa;
            border-left: 4px solid #F70125;
            padding: 15px 20px;
            margin: 20px 0;
        }

        .caption {
            font-style: italic;
            color: #7f8c8d;
            margin-top: 10px;
            font-size: 0.9rem;
        }
       .page-story table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
       .page-story table, .page-story th, .page-story td {
            border: 1px solid #ddd;
        }
       .page-story th, .page-story td {
            padding: 12px 15px;
            text-align: left;
        }
      .page-story th {
            background-color: #f2f2f2;
        }
        .page-story tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .conclusion {
            background-color: #e8f6f3;
            padding: 25px;
            border-radius: 8px;
            margin-top: 40px;
        }
        .conclusion h2 {
            color: #F70125;
            margin-top: 0;
        }
        .brand-mention {
            background-color: #fff8e1;
            padding: 15px;
            border-radius: 8px;
            margin: 20px 0;
            border-left: 4px solid #ffc107;
        }

.menu-lvl-2 sup, .category-title sup {
    color: #dc3545;
    font-size: 75%;
}

        .peptide-calc {
            display: inline-flex;
            align-items: center;
            background-color: #F70125;
            color: var(--white) !important;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
  .peptide-calc a {color: var(--white) !important;}

        .peptide-calc i {
            margin-right: 8px;
        }

.info-peptide {background-color: #fff9e6; border-left: 5px solid #F70125; border-radius: 8px; padding-top: 14px; padding-right: 12px; padding-bottom: 1px; padding-left: 12px; margin-bottom: 20px;}

        .info-peptide i {
            color: #F70125;
            margin-top: 3px;
            flex-shrink: 0;
        }

 .lab-section {
    padding: 48px 20px;
    background: #fff;
  }

  .lab-wrap {
    max-width: 1280px;
    margin: 0 auto;
  }

  .lab-header {
    text-align: center;
    margin-bottom: 30px;
  }

  .lab-title {
    margin: 0 0 10px;
    font-size: 32px;
    font-weight: 700;
    color: #111;
  }

  .lab-text {
    max-width: 700px;
    margin: 0 auto;
    font-size: 16px;
    color: #666;
  }

  .lab-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
  }

  .lab-card {
    background: #fff;
    border: 1px solid #ececec;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    transition: all .25s ease;
    display: flex;
    flex-direction: column;
  }

  .lab-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
    border-color: rgba(247, 1, 37, 0.2);
  }

  .lab-thumb {
    position: relative;
    aspect-ratio: 4/5;
    background: #f5f5f5;
    overflow: hidden;
  }

  .lab-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
  }

  .lab-card:hover img {
    transform: scale(1.03);
  }

  .lab-overlay {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    background: rgba(0,0,0,0.75);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    padding: 8px;
    border-radius: 10px;
  }

  .lab-body {
    padding: 16px;
    text-align: center;
  }

  .lab-product {
    margin: 0 0 8px;
    font-size: 17px;
    font-weight: 700;
    color: #111;
  }

  .lab-badge {
    display: inline-block;
    margin-bottom: 14px;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(247,1,37,0.08);
    color: #F70125;
    font-size: 12px;
    font-weight: 700;
  }

  .lab-meta {
    display: grid;
    gap: 8px;
  }

  .lab-label {
    font-size: 11px;
    font-weight: 700;
    color: #888;
    text-transform: uppercase;
  }

  .lab-value {
    font-size: 14px;
    color: #222;
  }

  @media (max-width: 1199px) {
    .lab-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  @media (max-width: 767px) {
    .lab-grid {
      display: flex;
      overflow-x: auto;
      gap: 14px;
    }

    .lab-card {
      min-width: 80%;
      flex: 0 0 auto;
    }
  }