:root{
  --ink:#011e64;
    --bg:#F5F7F1;
    --bg-alt:#004eee24;
    --panel:#FFFFFF;
    --green:#0072fa;
    --green-deep:#011750;
    --zing:#01e8ff;
    --zing-deep:#006ffa;
    --line:#D3D9C9;
    --muted:#5C6B60;
    --radius:14px;
    --display: 'Space Grotesk', sans-serif;
    --body: 'Inter', sans-serif;
    --mono: 'IBM Plex Mono', monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);line-height:1.5;-webkit-font-smoothing:antialiased;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{font-family:var(--display);margin:0;letter-spacing:-0.01em;}
  .wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
  .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--green-deep);display:flex;align-items:center;gap:8px;}
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--zing-deep);display:inline-block;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-family:var(--body);font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .15s ease, background .2s ease;}
  .btn:active{transform:scale(.97);}
  .btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
  .btn-primary{background:var(--ink);color:#fff;}
  .btn-primary:hover:not(:disabled){background:var(--green-deep);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--zing);}

  /* Header (shared) */
  header{position:sticky;top:0;z-index:50;background:rgba(245,247,241,0.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
  .topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
  .logo{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-0.02em;display:flex;align-items:center;gap:6px;}
  .logo span{color:var(--green);}
  nav.mainnav ul{display:flex;gap:34px;font-size:14.5px;font-weight:500;}
  nav.mainnav a{position:relative;padding:4px 0;}
  nav.mainnav a:hover{color:var(--green-deep);}
  nav.mainnav a.active{color:var(--green-deep);}
  .nav-actions{display:flex;align-items:center;gap:18px;}
  .icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--panel);cursor:pointer;position:relative;}
  .cart-count{position:absolute;top:-6px;right:-6px;background:var(--zing);color:var(--ink);font-family:var(--mono);font-size:10px;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;}
  .menu-toggle{display:none;background:none;border:none;cursor:pointer;}

  section{padding:84px 0;}
  .section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:44px;gap:24px;flex-wrap:wrap;}
  .section-head h2{font-size:36px;max-width:560px;}
  .section-head p{color:var(--muted);max-width:380px;font-size:15px;}

  /* ---------- Hero ---------- */
  .acc-hero{padding:66px 0 0;}
  .acc-hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;}
  .acc-hero h1{font-size:52px;line-height:1.03;margin:18px 0 20px;}
  .acc-hero h1 em{font-style:normal;color:var(--green);}
  .acc-hero p.lede{font-size:18px;color:var(--muted);max-width:460px;margin-bottom:26px;}
  .acc-spec-strip{display:flex;gap:26px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;}
  .acc-spec-strip b{color:var(--ink);}
  .acc-hero-visual{position:relative;border-radius:26px;overflow:hidden;aspect-ratio:4/5;background:var(--bg-alt);}
  .acc-hero-visual img{width:100%;height:100%;object-fit:cover;}
  .acc-hero-badge{
    position:absolute;top:20px;right:20px;background:var(--ink);color:var(--zing);
    font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
    padding:8px 14px;border-radius:999px;
  }

  /* ---------- Product grid w/ kit checkboxes (signature) ---------- */
  .kit-section{background:var(--bg-alt);}
  .kit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .kit-card{
    background:var(--panel);border:2px solid var(--line);border-radius:var(--radius);
    overflow:hidden;display:flex;flex-direction:column;cursor:pointer;
    transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  }
  .kit-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(19,36,32,.1);}
  .kit-card.selected{border-color:var(--ink);}
  .kit-media{aspect-ratio:1/1;overflow:hidden;background:var(--bg-alt);position:relative;}
  .kit-media img{width:100%;height:100%;object-fit:cover;}
  .kit-tag{position:absolute;top:12px;left:12px;background:var(--zing);color:var(--ink);font-family:var(--mono);font-size:10.5px;padding:5px 10px;border-radius:999px;font-weight:600;}
  .kit-check{
    position:absolute;top:12px;right:12px;width:26px;height:26px;border-radius:50%;
    background:#fff;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;
    transition:background .15s ease, border-color .15s ease;
  }
  .kit-card.selected .kit-check{background:var(--ink);border-color:var(--ink);}
  .kit-check svg{opacity:0;transition:opacity .15s ease;}
  .kit-card.selected .kit-check svg{opacity:1;}
  .kit-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .kit-body h4{font-size:16px;}
  .kit-meta{font-family:var(--mono);font-size:12px;color:var(--muted);}
  .kit-price{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;}
  .price{font-family:var(--display);font-size:19px;}

  .kit-summary{
    margin-top:32px;background:var(--ink);border-radius:20px;padding:30px 34px;
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;color:#fff;
  }
  .kit-summary-left{display:flex;flex-direction:column;gap:6px;}
  .kit-summary-left .eyebrow{color:var(--zing);}
  .kit-summary-left .eyebrow::before{background:var(--zing);}
  .kit-summary-left h3{font-size:22px;color:#fff;}
  .kit-summary-left span.sub{font-family:var(--mono);font-size:12.5px;color:#9FB0A3;}
  .kit-summary-right{display:flex;align-items:center;gap:22px;}
  .kit-total{text-align:right;}
  .kit-total .full{font-family:var(--mono);font-size:12.5px;color:#8FA294;text-decoration:line-through;display:block;}
  .kit-total .now{font-family:var(--display);font-size:30px;color:var(--zing);}
  .kit-save{font-family:var(--mono);font-size:11.5px;color:var(--zing);}

  /* ---------- Material / care detail ---------- */
  .detail-row{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:center;}
  .detail-row + .detail-row{margin-top:80px;}
  .detail-row.reverse{grid-template-columns:1.1fr 0.9fr;}
  .detail-row.reverse .detail-media{order:2;}
  .detail-media{border-radius:22px;overflow:hidden;aspect-ratio:4/3;background:var(--bg-alt);}
  .detail-media img{width:100%;height:100%;object-fit:cover;}
  .detail-copy .eyebrow{margin-bottom:14px;}
  .detail-copy h3{font-size:28px;margin-bottom:14px;}
  .detail-copy p{color:var(--muted);font-size:15.5px;margin-bottom:18px;max-width:440px;}
  .detail-specs{display:flex;flex-direction:column;gap:10px;}
  .detail-specs li{display:flex;gap:10px;font-size:14px;align-items:flex-start;}
  .detail-specs svg{flex-shrink:0;margin-top:2px;}

  /* ---------- What's in the box ---------- */
  .box-table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
  .box-table th,.box-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;}
  .box-table th{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:500;background:var(--bg-alt);}
  .box-table tr:last-child td{border-bottom:none;}
  .box-table td.dim{font-family:var(--mono);font-size:13px;color:var(--muted);}

  /* ---------- CTA ---------- */
  .acc-cta{background:var(--zing);}
  .acc-cta-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;}
  .acc-cta h2{font-size:32px;max-width:480px;}
  .acc-cta p{color:var(--green-deep);font-weight:500;}

  /* Footer (shared) */
  footer{background:var(--ink);color:#B9C4BB;padding:64px 0 30px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;margin-bottom:50px;}
  .footer-brand .logo{color:#fff;}
  .footer-brand .logo span{color:var(--zing);}
  .footer-brand p{font-size:14px;margin:14px 0 20px;max-width:260px;}
  .footer-col h5{font-family:var(--mono);text-transform:uppercase;font-size:12px;letter-spacing:.08em;color:#fff;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:14px;}
  .footer-col a:hover{color:var(--zing);}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:24px;display:flex;justify-content:space-between;font-size:13px;flex-wrap:wrap;gap:12px;color:#8B9A8F;}
  .social{display:flex;gap:12px;}
  .social a{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;}
  .social a:hover{background:var(--zing);color:var(--ink);border-color:var(--zing);}

  @media (max-width: 1020px){
    .acc-hero-grid{grid-template-columns:1fr;}
    .kit-grid{grid-template-columns:1fr 1fr;}
    .detail-row, .detail-row.reverse{grid-template-columns:1fr;}
    .detail-row.reverse .detail-media{order:0;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .acc-hero h1{font-size:40px;}
    .kit-summary{flex-direction:column;align-items:flex-start;}
    .kit-summary-right{width:100%;justify-content:space-between;}
  }
  @media (max-width: 680px){
    nav.mainnav{display:none;}
    .menu-toggle{display:block;}
    .wrap{padding:0 20px;}
    .kit-grid{grid-template-columns:1fr 1fr;}
    .box-table{font-size:12px;}
    .box-table th,.box-table td{padding:10px 8px;}
    .footer-grid{grid-template-columns:1fr;}
    .section-head{flex-direction:column;align-items:flex-start;}
    .detail-row + .detail-row{margin-top:50px;}
  }