:root{
    --paper:#ECEAE0;
    --bg:#FFFFFF;
    --ink:#16181B;
    --ink-soft:#5C6065;
    --ink-faint:#9A9D9F;
    --grid:#E2E1D7;
    --green:#1E8E5A;
    --green-dark:#176E46;
    --green-soft:#E3F3EA;
    --amber:#DD7A2C;
    --amber-soft:#FBEADB;
    --tg:#2AABEE;
    --tg-soft:#E8F5FD;
    --r-sm:6px;
    --r-md:12px;
    --r-lg:20px;
    --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:64px;
    --shadow-card:0 1px 0 rgba(22,24,27,.04), 0 8px 20px -12px rgba(22,24,27,.18);
    --font-display:'Unbounded', system-ui, sans-serif;
    --font-body:'Manrope', system-ui, sans-serif;
    --font-mono:'JetBrains Mono', ui-monospace, monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    font-family:var(--font-body);
    color:var(--ink);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,p,ul,figure{margin:0;}
  ul{padding:0;list-style:none;}
  button{font-family:inherit;cursor:pointer;}
  a{color:inherit;text-decoration:none;}
  img,svg{display:block;}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
  }

  /* ---------- desk / phone frame ---------- */
  .desk{
    min-height:100vh;
    display:flex;
    align-items:flex-start;
    justify-content:center;
    padding:48px 16px;
    background:
      linear-gradient(var(--grid) 1px, transparent 1px) 0 0/100% 28px,
      linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0/28px 100%,
      var(--paper);
  }
  .phone{
    width:min(412px, 100%);
    background:var(--bg);
    border-radius:34px;
    border:1px solid rgba(22,24,27,.08);
    box-shadow:0 30px 60px -30px rgba(22,24,27,.45), 0 2px 0 rgba(255,255,255,.5) inset;
    overflow:hidden;
  }
  .statusbar,.appbar{display:none;}

  .app{ position:relative; }

  @media (min-width:601px){
    .desk{padding:64px 24px;}
    .phone{
      height:88vh;
      max-height:880px;
      display:flex;
      flex-direction:column;
    }
    .statusbar{
      display:flex; align-items:center; justify-content:space-between;
      padding:10px 22px 4px; flex-shrink:0;
      font-family:var(--font-mono); font-size:12px; color:var(--ink);
    }
    .statusbar .dots{display:flex; gap:4px; align-items:center;}
    .statusbar .bars{display:flex; gap:2px; align-items:flex-end; height:9px;}
    .statusbar .bars i{display:block; width:3px; background:var(--ink); border-radius:1px;}
    .statusbar .bars i:nth-child(1){height:4px;}
    .statusbar .bars i:nth-child(2){height:6px;}
    .statusbar .bars i:nth-child(3){height:8px;}
    .statusbar .bars i:nth-child(4){height:9px;}
    .appbar{
      display:flex; align-items:center; gap:10px;
      padding:6px 18px 14px; flex-shrink:0;
      border-bottom:1px solid var(--grid);
    }
    .appbar .avatar{
      width:30px;height:30px;border-radius:9px;
      background:var(--green); color:#fff;
      display:flex;align-items:center;justify-content:center;
      font-family:var(--font-mono);font-weight:600;font-size:11px;
      flex-shrink:0;
    }
    .appbar .meta{display:flex;flex-direction:column;line-height:1.2;}
    .appbar .meta b{font-size:13px;font-weight:700;}
    .appbar .meta span{font-size:11px;color:var(--green); font-family:var(--font-mono);}
    .app{
      overflow-y:auto; overflow-x:hidden;
      flex:1;
      scroll-behavior:smooth;
    }
    .app::-webkit-scrollbar{width:5px;}
    .app::-webkit-scrollbar-thumb{background:var(--grid); border-radius:4px;}
  }

  /* ---------- column ruler ---------- */
  .colruler{
    display:flex; justify-content:space-between;
    padding:6px 18px; background:#F6F5EF;
    border-bottom:1px solid var(--grid);
    font-family:var(--font-mono); font-size:10px; letter-spacing:.08em;
    color:var(--ink-faint);
  }

  /* ---------- generic section ---------- */
  section{ padding:var(--s7) 22px; border-bottom:1px solid var(--grid); }
  section:last-of-type{border-bottom:none;}
  .addr{
    display:block; font-family:var(--font-mono); font-size:11px;
    letter-spacing:.08em; color:var(--ink-faint); margin-bottom:var(--s3);
  }
  h2.h-section{
    font-family:var(--font-display); font-weight:600; font-size:21px;
    line-height:1.25; letter-spacing:-.01em; margin-bottom:var(--s2);
  }
  .lede{ color:var(--ink-soft); font-size:14.5px; line-height:1.55; margin-bottom:var(--s5); }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    width:100%; padding:15px 18px; border:none; border-radius:var(--r-md);
    font-family:var(--font-body); font-weight:700; font-size:15.5px;
    transition:transform .15s ease, filter .15s ease;
  }
  .btn:active{transform:scale(.985);}
  .btn:focus-visible{outline:2px solid var(--ink); outline-offset:2px;}
  .btn-primary{ background:var(--green); color:#fff; }
  .btn-primary:hover{ filter:brightness(1.06); }
  .btn-ghost{ background:var(--bg); color:var(--ink); border:1.5px solid var(--ink); }
  .btn svg{width:17px;height:17px;flex-shrink:0;}
  .btn-sub{
    text-align:center; font-family:var(--font-mono); font-size:11.5px;
    color:var(--ink-soft); margin-top:var(--s3); line-height:1.5;
  }

  /* ---------- icons ---------- */
  .ic{ stroke:currentColor; fill:none; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }

  /* ============ HERO ============ */
  #hero{ padding-top:var(--s6); }
  .brandrow{ display:flex; align-items:center; justify-content:space-between; margin-bottom:var(--s5); }
  .logo{ display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-weight:600; font-size:15px; }
  .logo .mark{
    width:20px;height:20px;border-radius:5px;
    background:var(--green);
    display:grid; grid-template-columns:1fr 1fr; gap:2px; padding:3px;
  }
  .logo .mark i{ background:#fff; border-radius:1px; opacity:.95; }
  .live{
    display:flex; align-items:center; gap:6px;
    background:var(--green-soft); color:var(--green-dark);
    padding:5px 10px; border-radius:99px; font-size:11.5px; font-weight:600;
  }
  .live .dot{ width:6px;height:6px;border-radius:50%; background:var(--green); animation:pulse 1.8s ease-in-out infinite; }
  @keyframes pulse{ 0%,100%{opacity:1; transform:scale(1);} 50%{opacity:.4; transform:scale(.7);} }

  .fxbar{
    display:flex; align-items:center; gap:8px;
    border:1px solid var(--grid); border-radius:var(--r-sm) var(--r-sm) 0 0;
    padding:7px 10px; background:#FAFAF6;
    font-family:var(--font-mono); font-size:11px; color:var(--ink-faint);
  }
  .fxbar .fxlabel{ font-style:italic; color:var(--ink-soft); flex-shrink:0; }
  .fxbar .fxformula{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

  .cell{
    position:relative;
    border:2px solid var(--green);
    border-top:none;
    border-radius:0 0 var(--r-sm) var(--r-sm);
    padding:18px 16px 22px;
    margin-bottom:var(--s5);
  }
  .cell .addr-tag{
    position:absolute; top:-9px; left:10px;
    background:var(--green); color:#fff;
    font-family:var(--font-mono); font-size:10px; font-weight:600;
    padding:1px 6px; border-radius:4px;
  }
  .cell .handle{
    position:absolute; right:-4px; bottom:-4px;
    width:8px;height:8px; background:var(--green); border-radius:1px;
  }
  h1.h-hero{
    font-family:var(--font-display); font-weight:700; font-size:25px;
    line-height:1.28; letter-spacing:-.01em;
  }

  .hero-sub{ color:var(--ink-soft); font-size:15px; line-height:1.55; margin-bottom:var(--s5); }

  .benefits{ border:1px solid var(--grid); border-radius:var(--r-md); overflow:hidden; margin-top:var(--s6); }
  .benefit-row{ display:flex; gap:12px; align-items:flex-start; padding:13px 14px; border-bottom:1px solid var(--grid); }
  .benefit-row:last-child{ border-bottom:none; }
  .benefit-row .ic-wrap{ width:30px;height:30px; border-radius:8px; background:var(--green-soft); color:var(--green-dark); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
  .benefit-row p{ font-size:13.5px; line-height:1.5; color:var(--ink); padding-top:4px; }

  /* hero product shot */
  .sheet-caption{ font-size:12.5px; color:var(--ink-faint); font-family:var(--font-mono); margin:var(--s6) 0 var(--s2); text-align:center; }
  .shot{ border:1px solid var(--grid); border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-card); background:var(--bg); }
  .shot-bar{ display:flex; align-items:center; gap:8px; padding:8px 10px; background:#F6F5EF; border-bottom:1px solid var(--grid); }
  .shot-dots{ display:flex; gap:4px; flex-shrink:0; }
  .shot-dots i{ width:7px;height:7px;border-radius:50%; background:var(--grid); }
  .shot-name{ font-family:var(--font-mono); font-size:10.5px; color:var(--ink-faint); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .shot-img{ display:block; width:100%; height:auto; }

  /* ============ PAIN ============ */
  .pain-list{ display:flex; flex-direction:column; gap:12px; margin-bottom:var(--s6); }
  .pain-item{ display:flex; gap:10px; align-items:flex-start; }
  .pain-item .box{ width:17px;height:17px; border:1.6px solid var(--ink-faint); border-radius:4px; flex-shrink:0; margin-top:2px; }
  .pain-item p{ font-size:14.5px; line-height:1.5; color:var(--ink); }

  .timeline{ display:flex; align-items:center; justify-content:space-between; font-family:var(--font-mono); font-size:11px; }
  .timeline span{ white-space:nowrap; }
  .timeline span:nth-child(1){opacity:1;}
  .timeline .arrow:nth-of-type(1){opacity:.85;}
  .timeline .arrow:nth-of-type(2){opacity:.6;}
  .timeline .arrow:nth-of-type(3){opacity:.4;}
  .timeline em{ font-style:normal; color:var(--ink-soft); }
  .timeline .arrow{ color:var(--ink-faint); padding:0 4px; }
  .timeline-wrap{ border:1px dashed var(--grid); border-radius:var(--r-md); padding:14px 10px; }

  /* ============ CATALOG ============ */
  .cards{ display:flex; flex-direction:column; gap:16px; }
  .pcard{
    position:relative; border:1.5px solid var(--grid); border-radius:var(--r-lg);
    padding:18px 16px 16px; background:var(--bg); box-shadow:var(--shadow-card);
  }
  .pcard.hit{ border-color:var(--green); border-width:2px; }
  .pcard .ribbon{
    position:absolute; top:-1px; right:16px;
    background:var(--amber); color:#fff; font-family:var(--font-mono);
    font-size:10.5px; font-weight:600; letter-spacing:.05em;
    padding:5px 9px; border-radius:0 0 6px 6px;
  }
  .pcard .range{ font-family:var(--font-mono); font-size:10.5px; color:var(--ink-faint); letter-spacing:.03em; margin-bottom:8px; }
  .pcard h3{ font-family:var(--font-display); font-size:16.5px; font-weight:600; line-height:1.3; margin-bottom:8px; }
  .pcard .desc{ font-size:13.5px; color:var(--ink-soft); line-height:1.5; margin-bottom:14px; }
  .price-row{ display:flex; align-items:baseline; gap:8px; margin-bottom:12px; }
  .price-row .now{ font-family:var(--font-mono); font-size:22px; font-weight:600; }
  .price-row .old{ font-family:var(--font-mono); font-size:14px; color:var(--ink-faint); text-decoration:line-through; }
  .savings{ display:inline-block; font-size:11.5px; color:var(--green-dark); background:var(--green-soft); padding:3px 8px; border-radius:6px; margin-bottom:12px; font-weight:600; }
  .pcard .guarantee-line{ font-size:11.5px; color:var(--ink-soft); margin-top:10px; line-height:1.5; }
  .pcard .pay-line{ font-size:11px; color:var(--ink-faint); margin-top:4px; font-family:var(--font-mono); }

  /* ============ PREVIEW carousel ============ */
  .carousel{ display:flex; gap:14px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:10px; margin:0 -22px; padding-left:22px; padding-right:22px; }
  .carousel::-webkit-scrollbar{ height:0; }
  .preview-card{ scroll-snap-align:start; flex:0 0 86%; border:1px solid var(--grid); border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-card); background:var(--bg); }
  .preview-card .pv-cap{ padding:11px 14px; font-size:12.5px; color:var(--ink-soft); border-top:1px solid var(--grid); }
  .pv-img{ display:block; width:100%; height:auto; }
  .swipe-hint{ display:flex; align-items:center; justify-content:center; gap:6px; margin-top:12px; font-family:var(--font-mono); font-size:11px; color:var(--ink-faint); }

  /* ============ HOW ============ */
  .steps{ display:flex; flex-direction:column; }
  .step{ display:flex; gap:14px; position:relative; padding-bottom:26px; }
  .step:last-child{ padding-bottom:0; }
  .step .num{
    font-family:var(--font-mono); font-weight:700; font-size:13px;
    width:30px; height:30px; border-radius:8px; background:var(--ink); color:#fff;
    display:flex; align-items:center; justify-content:center; flex-shrink:0; position:relative; z-index:1;
  }
  .step::before{
    content:''; position:absolute; left:14px; top:30px; bottom:0;
    width:1px; border-left:1px dashed var(--grid);
  }
  .step:last-child::before{ display:none; }
  .step .stext b{ display:block; font-size:14.5px; font-weight:700; margin-bottom:3px; }
  .step .stext p{ font-size:13.5px; color:var(--ink-soft); line-height:1.5; }
  .how-foot{ margin-top:var(--s5); font-size:13px; color:var(--ink-soft); text-align:center; font-style:italic; }

  /* ============ COMPARE ============ */
  .compare{ border:1px solid var(--grid); border-radius:var(--r-md); overflow:hidden; }
  .cmp-row{ display:grid; grid-template-columns:1fr 1fr 1fr; }
  .cmp-cell{ padding:11px 8px; font-size:12px; line-height:1.4; border-right:1px solid var(--grid); border-bottom:1px solid var(--grid); display:flex; align-items:center; }
  .cmp-cell:last-child{ border-right:none; }
  .cmp-row:last-child .cmp-cell{ border-bottom:none; }
  .cmp-row.head .cmp-cell{ font-family:var(--font-mono); font-size:11px; font-weight:600; background:#F6F5EF; color:var(--ink-faint); }
  .cmp-row.head .cmp-cell:nth-child(2){ color:var(--ink-faint); }
  .cmp-row.head .cmp-cell:nth-child(3){ color:var(--green-dark); background:var(--green-soft); }
  .cmp-cell.was{ color:var(--ink-soft); }
  .cmp-cell.now{ color:var(--green-dark); font-weight:600; background:#F6FBF8; }
  .cmp-label{ font-weight:600; font-size:12.5px; }

  /* ============ REVIEWS ============ */
  .bubbles{ display:flex; flex-direction:column; gap:10px; }
  .bubble{ background:#F1F0EB; border-radius:14px 14px 14px 3px; padding:11px 13px; max-width:92%; }
  .bubble p{ font-size:13.5px; line-height:1.5; color:var(--ink); }
  .bubble .who{ display:flex; align-items:center; justify-content:space-between; margin-top:7px; }
  .bubble .who span{ font-size:11.5px; color:var(--ink-faint); font-weight:600; }
  .bubble .who .check{ display:flex; align-items:center; gap:1px; color:var(--tg); }
  .reviews-foot{ margin-top:var(--s6); padding:16px; background:var(--green-soft); border-radius:var(--r-md); text-align:center; }
  .reviews-foot p{ font-size:13.5px; color:var(--green-dark); font-weight:600; line-height:1.45; margin-bottom:12px; }

  /* ============ GUARANTEE ============ */
  .guarantee-card{ border:1.5px solid var(--ink); border-radius:var(--r-lg); padding:24px 20px; text-align:center; }
  .guarantee-card .gicon{ width:46px;height:46px; border-radius:12px; background:var(--ink); color:#fff; display:flex; align-items:center; justify-content:center; margin:0 auto 14px; }
  .guarantee-card h2{ font-family:var(--font-display); font-size:19px; font-weight:600; margin-bottom:10px; }
  .guarantee-card p{ font-size:13.5px; color:var(--ink-soft); line-height:1.55; margin-bottom:18px; }
  .trust-chips{ display:flex; gap:8px; justify-content:center; flex-wrap:wrap; }
  .trust-chip{ display:flex; align-items:center; gap:6px; font-size:11.5px; font-family:var(--font-mono); padding:7px 10px; border:1px solid var(--grid); border-radius:99px; color:var(--ink-soft); }
  .trust-chip svg{ width:13px;height:13px; }

  /* ============ FINAL ============ */
  #final{ background:var(--ink); color:#fff; border-bottom:none; }
  #final .addr{ color:rgba(255,255,255,.35); }
  #final h2{ font-family:var(--font-display); font-size:22px; font-weight:600; line-height:1.3; margin-bottom:10px; }
  #final .lede{ color:rgba(255,255,255,.65); }
  #final .btn-primary{ background:var(--green); }
  #final .btn-sub{ color:rgba(255,255,255,.55); }
  .stats-row{ display:flex; align-items:center; justify-content:center; gap:6px; flex-wrap:wrap; margin-top:18px; font-family:var(--font-mono); font-size:11px; color:rgba(255,255,255,.45); text-align:center; }

  footer{ padding:26px 22px 34px; text-align:center; background:var(--ink); }
  footer .fmark{ font-family:var(--font-mono); font-size:11px; color:rgba(255,255,255,.35); }
  footer .end{ margin-top:6px; font-family:var(--font-mono); font-size:10px; color:rgba(255,255,255,.22); font-style:italic; }

  /* reveal animation */
  .reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease; }
  .reveal.in{ opacity:1; transform:translateY(0); }