/* Basic Reset + Variables */
  :root{
    --bg:#1CA8A3;          /* aquamarine-950 */
    --card:#1CA8A3;        /* aquamarine-900 */
    --muted:#f3f4f6;       /* aquamarine-300 */
    --accent:#1CA8A3;      /* aquamarine-400 */
    --glass: rgba(25,246,181,0.08);  /* accent color w/ soft transparency */

    --radius:14px;
    --container:1100px;

    font-family: Inter, "Poppins", system-ui, -apple-system, 'Segoe UI', Roboto, "Helvetica Neue", Arial;
    color-scheme: dark;
  }


  *{box-sizing:border-box}
  html,body{height:100%}

  body{
    margin:0;
    background:var(--bg);
    color:#e9eef5;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    line-height:1.45;
  }



  /* Container */
  .container{
    width:90%;
    max-width:var(--container);
    margin:0 auto;
    padding:28px 0;
  }

  /* Header */
  .site-header{
    background:transparent;
    border-bottom:1px solid rgba(255,255,255,0.03);
    position:sticky;
    top:0;
    z-index:40;
  }
  .header-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .logo{display:flex;align-items:center;gap:10px}
  .logo-img{width:100px;height:44px;border-radius:8px;object-fit:contain}
  .brand{font-weight:700;font-size:18px}
  .main-nav{display:flex;gap:18px}
  .main-nav .nav-link{color:var(--muted);text-decoration:none;font-weight:500}
  .header-actions{display:flex;gap:8px}
  .icon-btn{
    background:transparent;
    border:0;
    color:var(--muted);
    font-size:16px;
    padding:8px;
    border-radius:10px;
    cursor:pointer;
    transition:all .18s;
  }
  .icon-btn:hover{
    background:var(--glass);
    color:#fff;
  }

  /* Breadcrumb */
  .breadcrumb {
    font-size: 14px;
    color: var(--muted);
    margin: 18px 0;
  }

  .breadcrumb ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 6px;
  }

  .breadcrumb li {
    display: flex;
    align-items: center;
  }

  .breadcrumb li:not(:last-child)::after {
    content: ">";
    margin: 0 6px;
    color: var(--muted);
  }

  .breadcrumb a {
    color: var(--muted);
    text-decoration: none;
  }

  /* Product Grid */
  .product-grid{
    display:grid;
    grid-template-columns: 1fr 420px;
    gap:28px;
    align-items:start;
    margin-top:12px;
  }

  /* Gallery */
  .gallery{
    background:var(--card);
    padding:18px;
    border-radius:16px;
    box-shadow:0 6px 20px rgba(2,6,23,0.5);
  }

  .main-image{
    position:relative;
    border-radius:12px;
    overflow:hidden;
  }
  .main-image img{
    display:block;
    width:100%;
    height:auto;
    max-height:460px;
    object-fit:contain;
    border-radius:8px;
  }
  .lightbox-trigger{
    position:absolute;
    bottom:12px;
    right:12px;
  }

  /* Thumbnails */
  .thumbs{
    display:flex;
    gap:10px;
    margin-top:12px;
  }
  .thumb{
    border-radius:8px;
    padding:3px;
    border:1px solid transparent;
    background:transparent;
    cursor:pointer;
    transition:transform .15s, border-color .15s;
  }
  .thumb img{
    width:68px;
    height:48px;
    object-fit:cover;
    border-radius:6px;
    display:block;
  }
  .thumb:hover{
    transform:translateY(-4px);
  }
  .thumb.active{
    border-color:rgba(255,255,255,0.12);
    background:linear-gradient(90deg,
      rgba(140,158,255,0.18),
      rgba(140,158,255,0.05)
    );
  }

  /* Product Info */
  .product-info{padding:6px 4px}
  .product-info h1{font-size:34px;margin:6px 0 8px}
  .rating{
    display:flex;
    align-items:center;
    gap:8px;
    color:var(--muted);
    margin-bottom:6px;
  }
  .rating .stars i{color:#ffd875;margin-right:4px}
  .in-stock{color:#7be18d;font-weight:600;margin-bottom:10px}
  .price{font-size:28px;font-weight:800;margin:12px 0}

  .actions{
    display:flex;
    gap:12px;
    margin-bottom:12px;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:12px 16px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,0.06);
    cursor:pointer;
    text-decoration:none;
    color:inherit;
  }
  .btn i{font-size:16px}

  /* Primary Button - SOFTER THEME */
  .btn.primary{
    background:linear-gradient(180deg,var(--accent),#6f7fff);
    border:0;
    color:#fff;
    box-shadow:0 8px 24px rgba(140,158,255,0.25);
    transition:transform .16s, box-shadow .16s;
  }
  .btn.primary:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 28px rgba(140,158,255,0.35);
  }

  .btn.ghost{
    background:transparent;
    border:1px solid rgba(25, 246, 181, 0.25); /* soft aquamarine border */
    color:#f3f4f6; /* aquamarine-400 */
  }

  .btn.ghost:hover{
    background:rgba(25, 246, 181, 0.08);
    border-color:rgba(25, 246, 181, 0.4);
    color:#f3f4f6; /* aquamarine-300 */
  }

  .btn.outline{
    background: linear-gradient(180deg, var(--accent), #6f7fff);
    border:1px solid rgba(25, 246, 181, 0.25);
    color:#ffffff;
  }

  .btn.outline:hover{
    background:rgba(25, 246, 181, 0.12);
    border-color:#f3f4f6; /* full aquamarine-400 */
    color:#f3f4f6;
  }


  .benefits{
    list-style:none;
    padding:0;
    margin:8px 0;
    color:var(--muted);
    display:flex;
    flex-direction:column;
    gap:8px;
  }
  .benefits li i{
    margin-right:8px;
    color:var(--muted);
  }

  /* Anchor links */
  .anchor-links{
    margin-top:14px;
    display:flex;
    gap:8px;
    flex-wrap:wrap;
  }
  .anchor-btn{
    padding:8px 12px;
    border-radius:10px;
    background:rgba(255,255,255,0.02);
    text-decoration:none;
    color:var(--muted);
    font-weight:600;
    transition:all .16s;
  }
  .anchor-btn:hover{
    background:rgba(255,255,255,0.04);
    color:#fff;
  }

  /* Details */
  .details{
    margin-top:28px;
    padding:24px;
    background:rgba(255,255,255,0.03);
    border-radius:12px;
  }
  .details-grid{
    display:flex;
    gap:30px;
  }
  .details ul{
    margin:0;
    padding-left:18px;
    color:var(--muted);
  }

  /* Reviews */
  .reviews{margin-top:28px}
  .avg-rating{
    display:flex;
    align-items:center;
    gap:18px;
  }
  .avg-rating .number{
    font-size:38px;
    font-weight:800;
  }
  .stars-large i{color:#ffd875}

  .review-list{
    display:flex;
    flex-direction:column;
    gap:12px;
    margin-top:12px;
  }
  .review{
    background:rgba(255,255,255,0.03);
    padding:14px;
    border-radius:10px;
  }
  .review header{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:8px;
  }
  .avatar{
    width:48px;
    height:48px;
    border-radius:50%;
    object-fit:cover;
  }
  .small-stars i{
    color:#ffd875;
    margin-left:6px;
  }
  .write-review{margin-top:12px}

  /* Footer */
  .site-footer{
    margin-top:40px;
    padding:28px 0;
    border-top:1px solid rgba(255,255,255,0.03);
  }
  .footer-grid{
    display:flex;
    gap:20px;
    align-items:flex-start;
    justify-content:space-between;
  }
  .footer-left, .footer-center, .footer-right{flex:1}
  .footer-left .footer-logo{
    width:64px;
    border-radius:8px;
  }
  .payments i{
    font-size:28px;
    margin-right:10px;
  }
  .socials a{
    color:var(--muted);
    text-decoration:none;
    margin-right:10px;
  }
  copyright{
    display:block;
    margin-top:10px;
  }

  /* Lightbox */
  .lightbox{
    position:fixed;
    inset:0;
    display:none;
    align-items:center;
    justify-content:center;
    background:rgba(0,0,0,0.76);
    z-index:120;
  }
  .lightbox img{
    max-width:92%;
    max-height:86%;
    border-radius:8px;
  }
  .lightbox-close{
    position:absolute;
    top:18px;
    right:18px;
    background:rgba(255,255,255,0.04);
    border:0;
    padding:8px;
    border-radius:8px;
    color:#fff;
    cursor:pointer;
  }

  .details-tabs {
    display: flex;
    flex-wrap: wrap; /* allows tabs to wrap on small screens */
    gap: 20px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(25,246,181,0.25);
  }

  .details-tabs .tab {
    background: transparent;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    color: #a8b3c5; /* muted text */
    font-weight: 500;
    transition: color 0.2s, border-bottom 0.2s;
    flex: 1 1 auto; /* flexible width for mobile */
    text-align: center;
  }

  .details-tabs .tab.active {
    color: #f3f4f6; /* aquamarine accent */
    border-bottom: 2px solid #f3f4f6;
  }

  .details-tabs .tab:hover {
    color: #f3f4f6;
  }

  .tab-content .tab-panel {
    display: none;
    line-height: 1.5;
  }

  .tab-content .tab-panel.active {
    display: block;
  }

  /* -------------------------------
    RESPONSIVE FIXES
  -------------------------------- */

  @media (max-width:1024px){
    .product-grid{grid-template-columns:1fr 380px}
    .main-image img{max-height:380px}
  }

  @media (max-width:800px){
    .main-nav{display:none}
    .product-grid{grid-template-columns:1fr;gap:18px}
    .product-info h1{font-size:28px}
    .container{width:94%}
    .details-grid{flex-direction:column}
    .footer-grid{flex-direction:column;gap:18px}

    .rating, .price{display:none}

    .actions{
      width:180px;
      flex-direction:row;
      align-items:center;
      justify-content:center;
      margin:0 auto;
    }

    .actions .btn{
      padding:20px 60px;
      white-space:nowrap;
    }
    .details-tabs {
      flex-direction: column;
      gap: 8px;
    }

    .details-tabs .tab {
      text-align: left;
      padding: 10px 12px;
    }
  }

  @media (max-width:420px){
    .brand{display:none}
    .actions{flex-direction:column}
    .btn{width:100%;justify-content:center}

    .thumb img{
      width:56px;
      height:40px;
    }

    .rating, .price{display:none}

    .actions{
      width:180px;
      flex-direction:row;
      align-items:center;
      justify-content:center;
      margin:0 auto;
    }

    .actions .btn{
      padding:20px 60px;
      white-space:nowrap;
    }
  }