:root{
    --bg:#e7e9ed;
    --bg2:#d9dde3;
    --panel:rgba(255,255,255,.75);
    --panel-2:rgba(255,255,255,.5);
    --ink:#15181e;
    --ink-soft:#5a6270;
    --line:rgba(0,0,0,.1);
    --accent:#0a9d6b;
    --accent2:#a9821f;
    --radius:22px;
    --shadow:0 14px 40px rgba(30,40,60,.16);
    --glow:0 0 46px rgba(10,157,107,.14);
    --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font);
    color:var(--ink);
    background:linear-gradient(180deg,#eef0f3 0%,#e2e5ea 55%,#d7dbe1 100%);
    background-attachment:fixed;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  /* aurora ambient */
  .aurora{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
  .aurora i{position:absolute;border-radius:50%;filter:blur(120px);opacity:.4}
  .aurora i:nth-child(1){width:52vw;height:52vw;background:#d3e9de;top:-18vw;left:-12vw;animation:drift1 26s ease-in-out infinite alternate}
  .aurora i:nth-child(2){width:44vw;height:44vw;background:#d6dae1;top:30vh;right:-16vw;animation:drift2 32s ease-in-out infinite alternate}
  .aurora i:nth-child(3){width:38vw;height:38vw;background:#cfe7db;bottom:-14vw;left:22vw;animation:drift1 38s ease-in-out infinite alternate-reverse}
  @keyframes drift1{from{transform:translate(0,0) scale(1)}to{transform:translate(6vw,4vh) scale(1.12)}}
  @keyframes drift2{from{transform:translate(0,0) scale(1)}to{transform:translate(-5vw,-5vh) scale(1.1)}}
  #tsparticles{position:fixed;inset:0;z-index:1;pointer-events:none}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
  h1,h2,h3{letter-spacing:-.02em;font-weight:600;line-height:1.08}
  a{color:inherit;text-decoration:none}
  .muted{color:var(--ink-soft)}

  /* NAV */
  nav{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(255,255,255,.72);
    backdrop-filter:saturate(160%) blur(22px);
    -webkit-backdrop-filter:saturate(160%) blur(22px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:54px;max-width:1120px;margin:0 auto;padding:0 24px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:19px;letter-spacing:-.02em}
  .brand-logo{height:34px;width:auto;object-fit:contain;filter:drop-shadow(0 0 8px rgba(83,180,95,.4))}
  .pimg-wrap{height:150px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;position:relative}
  .pimg{max-height:100%;max-width:82%;object-fit:contain;border-radius:12px;filter:drop-shadow(0 12px 26px rgba(0,0,0,.55))}
  .nav-links{display:flex;gap:28px;align-items:center}
  .nav-links a{font-size:13.5px;color:var(--ink);opacity:.75;transition:opacity .2s,text-shadow .2s}
  .nav-links a:hover{opacity:1;text-shadow:0 0 14px rgba(52,211,153,.8)}
  .lang-toggle{border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;font-size:12px;font-weight:600;background:rgba(0,0,0,.04)}
  .lang-toggle button{border:0;background:transparent;padding:5px 11px;cursor:pointer;color:var(--ink-soft);font-weight:600;font-family:var(--font)}
  .lang-toggle button.active{background:linear-gradient(135deg,#10b981,#d4af37);color:#fff}
  .menu-btn{display:none;background:none;border:0;cursor:pointer;padding:6px}
  .menu-btn span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:.3s}

  /* HERO */
  header.hero{
    padding:170px 0 100px;text-align:center;position:relative;z-index:2;
  }
  .eyebrow{
    display:inline-block;font-size:12px;font-weight:600;color:var(--accent);
    background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.22);
    padding:6px 16px;border-radius:20px;margin-bottom:24px;letter-spacing:.14em;text-transform:uppercase;
  }
  header.hero h1{font-size:clamp(38px,6.4vw,70px);margin-bottom:22px}
  .grad{
    background:linear-gradient(120deg,#34d399,#d4af37 55%,#e6c35c);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    filter:drop-shadow(0 0 26px rgba(212,175,55,.35));
  }
  header.hero p.lead{font-size:clamp(17px,2.3vw,21px);color:var(--ink-soft);max-width:640px;margin:0 auto 36px;font-weight:400}
  .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
  .btn{
    display:inline-flex;align-items:center;gap:8px;font-size:15.5px;font-weight:500;font-family:var(--font);
    padding:13px 28px;border-radius:30px;cursor:pointer;border:0;transition:transform .15s,box-shadow .25s,opacity .2s;
  }
  .btn-primary{
    background:linear-gradient(135deg,#10b981,#d4af37);color:#fff;
    box-shadow:0 4px 24px rgba(52,211,153,.28),0 4px 24px rgba(212,175,55,.22);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 34px rgba(52,211,153,.4),0 8px 34px rgba(212,175,55,.3)}
  .btn-ghost{background:rgba(0,0,0,.05);color:var(--accent);border:1px solid rgba(52,211,153,.3)}
  .btn-ghost:hover{background:rgba(52,211,153,.08);box-shadow:0 0 24px rgba(52,211,153,.18)}
  .hero-badges{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:52px}
  .hero-badges div{font-size:13px;color:var(--ink-soft);display:flex;align-items:center;gap:7px}
  .hero-badges b{color:var(--ink);font-weight:600}

  /* SECTION SHELL */
  section{padding:100px 0;position:relative;z-index:2}
  .sec-head{text-align:center;max-width:660px;margin:0 auto 56px}
  .sec-head .eyebrow{margin-bottom:16px}
  .sec-head h2{font-size:clamp(30px,4.4vw,46px);margin-bottom:16px}
  .sec-head p{font-size:17px;color:var(--ink-soft)}

  /* PRODUCT CARDS */
  .prod-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .pcard{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px 20px 26px;
    text-align:center;cursor:pointer;transition:transform .25s,box-shadow .3s,border-color .3s;
    backdrop-filter:blur(8px);position:relative;overflow:hidden;
  }
  .pcard::before{
    content:'';position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .3s;
    background:radial-gradient(70% 60% at 50% 0%,var(--vc-soft,rgba(52,211,153,.1)),transparent 70%);
  }
  .pcard:hover{transform:translateY(-6px);border-color:rgba(0,0,0,.16);box-shadow:0 18px 50px rgba(0,0,0,.5),0 0 40px var(--vc-glow,rgba(52,211,153,.1))}
  .pcard:hover::before{opacity:1}
  .pcard h3{font-size:18px;margin-bottom:2px;position:relative}
  .pc-tag{font-size:12.5px;color:var(--ink-soft);margin-bottom:10px;position:relative}
  .pc-price{font-size:15px;font-weight:600;position:relative}
  .pc-price span{font-weight:400;color:var(--ink-soft);font-size:12.5px}
  .pc-cta{color:var(--accent);font-size:13.5px;font-weight:600;margin-top:12px;position:relative}
  .mini-vial{width:56px;margin:0 auto 18px;position:relative}
  .mv-cap{height:14px;width:34px;margin:0 auto;background:linear-gradient(#c9ccd3,#eaecef);border-radius:5px 5px 2px 2px}
  .mv-neck{height:7px;width:22px;margin:0 auto;background:#eef0f3}
  .mv-body{
    height:84px;width:56px;margin:-1px auto 0;border-radius:10px 10px 18px 18px;
    background:linear-gradient(180deg,rgba(224,227,232,.92) 0 24%,var(--vc) 26%);
    border:1.5px solid rgba(0,0,0,.13);
    box-shadow:inset 6px 2px 10px rgba(0,0,0,.15),0 0 26px var(--vc-glow,rgba(52,211,153,.35));
  }

  /* IMMERSIVE STAGE */
  .stage{
    position:fixed;inset:0;z-index:300;
    background:radial-gradient(85% 70% at 50% 32%,#e3e6eb 0%,#e7e9ed 78%);
    opacity:0;pointer-events:none;transition:opacity .4s ease;
  }
  .stage.open{opacity:1;pointer-events:auto}
  .stage-glow{
    position:absolute;width:64vmin;height:64vmin;border-radius:50%;
    left:18%;top:50%;transform:translate(-50%,-50%);
    filter:blur(110px);opacity:.3;z-index:305;pointer-events:none;transition:background 1s;
  }
  .stage-ring{
    position:absolute;width:56vmin;height:56vmin;border-radius:50%;
    left:18%;top:50%;transform:translate(-50%,-50%);
    border:1px solid rgba(0,0,0,.08);z-index:306;pointer-events:none;
    animation:ringspin 40s linear infinite;
  }
  .stage-ring::before{
    content:'';position:absolute;width:8px;height:8px;border-radius:50%;background:var(--accent);
    top:-4px;left:50%;box-shadow:0 0 16px var(--accent);
  }
  @keyframes ringspin{to{transform:translate(-50%,-50%) rotate(360deg)}}
  .stage canvas.gl{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:310}
  .stage-close{
    position:absolute;top:18px;right:22px;z-index:340;width:42px;height:42px;border-radius:50%;
    border:1px solid var(--line);background:rgba(240,242,246,.75);backdrop-filter:blur(10px);
    font-size:16px;cursor:pointer;font-family:var(--font);color:var(--ink);box-shadow:var(--shadow);
  }
  .stage-close:hover{box-shadow:0 0 20px rgba(52,211,153,.3)}
  /* integrated docked info panel (scroll rotates the vial) */
  .stage-scroll{position:absolute;inset:0;overflow-y:auto;z-index:320;-webkit-overflow-scrolling:touch}
  .stage-panel{
    position:fixed;top:0;right:0;bottom:0;width:min(440px,100%);z-index:315;pointer-events:none;
    background:linear-gradient(90deg,rgba(244,245,248,0) 0%,rgba(244,245,248,.72) 22%,rgba(244,245,248,.9) 100%);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-left:1px solid rgba(0,0,0,.09);
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 24%);mask-image:linear-gradient(90deg,transparent,#000 24%);
  }
  .stage-content{position:relative;z-index:322;width:min(380px,90vw);
    margin:0 clamp(24px,4vw,64px) 0 auto;padding:0;
    display:flex;flex-direction:column;align-items:flex-start}
  .sblock{width:100%;padding:34px 0;pointer-events:auto;position:relative}
  .sblock+.sblock{border-top:1px solid rgba(0,0,0,.1)}
  .sblock::before{ /* accent tick that ties each section to one system */
    content:'';position:absolute;left:-18px;top:38px;width:3px;height:26px;border-radius:3px;
    background:linear-gradient(#10b981,#d4af37);opacity:.9;box-shadow:0 0 12px rgba(52,211,153,.5);
  }
  .stage-content .sblock:first-child{margin-top:30vh}
  .stage-content .sblock:first-child::before{display:none}
  .stage-content .sblock:last-child{margin-bottom:36vh}
  .k-lab{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:700;margin-bottom:8px;opacity:.95}
  .sblock h3{font-size:31px;margin-bottom:10px;line-height:1.06;word-break:break-word}
  .sblock .lead{font-size:16px;color:var(--ink-soft);line-height:1.55}
  .sblock .big{font-size:22px;font-weight:600;margin-bottom:4px}
  .sblock .sub{font-size:14px;color:var(--ink-soft);margin-bottom:18px}
  .prod-tag{display:inline-block;font-size:12px;font-weight:600;padding:5px 12px;border-radius:20px;margin-bottom:14px}
  .price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
  .price{font-size:32px;font-weight:600}
  .price small{font-size:14px;color:var(--ink-soft);font-weight:500}
  .buy-row{display:flex;gap:12px;flex-wrap:wrap}
  .stage-hint{
    position:absolute;bottom:16px;left:38%;z-index:325;font-size:12.5px;color:var(--ink-soft);
    background:rgba(242,244,247,.75);backdrop-filter:blur(8px);padding:7px 14px;border-radius:20px;border:1px solid var(--line);
    animation:bobhint 2.2s ease-in-out infinite;pointer-events:none;white-space:nowrap;
  }
  @keyframes bobhint{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,6px)}}
  .prod-tag{display:inline-block;font-size:12px;font-weight:600;padding:5px 12px;border-radius:20px;margin-bottom:14px}
  .price-row{display:flex;align-items:baseline;gap:10px}
  .price{font-size:30px;font-weight:600}
  .price small{font-size:14px;color:var(--ink-soft);font-weight:500}
  .buy-row{display:flex;gap:12px;flex-wrap:wrap}

  /* ECOSYSTEM */
  .eco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .eco-card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:32px 28px;transition:transform .2s,box-shadow .3s,border-color .3s;backdrop-filter:blur(8px);
  }
  .eco-card:hover{transform:translateY(-4px);box-shadow:var(--shadow),var(--glow);border-color:rgba(52,211,153,.25)}
  .eco-ico{
    width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;
    background:linear-gradient(135deg,rgba(16,185,129,.14),rgba(212,175,55,.14));border:1px solid rgba(52,211,153,.2);
  }
  .eco-ico svg{width:26px;height:26px;stroke:var(--accent)}
  .eco-card h3{font-size:20px;margin-bottom:10px}
  .eco-card p{font-size:14.5px;color:var(--ink-soft)}

  /* DIAGNOSTIC FORM */
  .form-shell{
    max-width:720px;margin:0 auto;background:rgba(242,244,247,.72);border:1px solid var(--line);
    border-radius:26px;box-shadow:0 30px 80px rgba(0,0,0,.6),var(--glow);overflow:hidden;backdrop-filter:blur(14px);
    position:relative;z-index:2;
  }
  .form-top{padding:26px 34px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}
  .form-top h3{font-size:19px}
  .progress{height:6px;background:rgba(0,0,0,.08);border-radius:6px;flex:1;max-width:220px;overflow:hidden}
  .progress i{display:block;height:100%;width:20%;background:linear-gradient(90deg,#10b981,#d4af37);border-radius:6px;transition:width .4s;box-shadow:0 0 12px rgba(52,211,153,.6)}
  .form-body{padding:38px 34px 30px}
  .step{display:none;animation:fade .4s ease}
  .step.active{display:block}
  @keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
  .step h4{font-size:23px;margin-bottom:6px}
  .step .sub{color:var(--ink-soft);font-size:15px;margin-bottom:24px}
  .field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--ink)}
  .field input[type=number],.field input[type=text],.field select{
    width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;font-size:16px;font-family:var(--font);
    background:rgba(0,0,0,.06);color:var(--ink);transition:border .2s,box-shadow .2s;
  }
  .field select option{background:#e3e6eb;color:var(--ink)}
  .field input:focus,.field select:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(52,211,153,.12)}
  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .opt{
    border:1.5px solid var(--line);border-radius:16px;padding:16px 18px;cursor:pointer;transition:.18s;
    display:flex;align-items:center;gap:13px;background:rgba(0,0,0,.04);
  }
  .opt:hover{border-color:rgba(52,211,153,.35)}
  .opt.sel{border-color:var(--accent);background:rgba(52,211,153,.08);box-shadow:0 0 0 3px rgba(52,211,153,.1),0 0 22px rgba(52,211,153,.12)}
  .opt .emo{font-size:22px}
  .opt .ot{font-size:15px;font-weight:600}
  .opt .od{font-size:12.5px;color:var(--ink-soft)}
  .chip-grid{display:flex;flex-wrap:wrap;gap:10px}
  .chip{border:1.5px solid var(--line);border-radius:22px;padding:9px 16px;font-size:14px;cursor:pointer;background:rgba(0,0,0,.04);transition:.16s;font-weight:500;color:var(--ink)}
  .chip.sel{border-color:var(--accent);background:rgba(52,211,153,.1);color:var(--accent);box-shadow:0 0 18px rgba(52,211,153,.15)}
  .form-nav{display:flex;justify-content:space-between;margin-top:30px;gap:12px}
  .form-nav .btn{padding:12px 24px;font-size:15px}
  .btn-back{background:rgba(0,0,0,.07);color:var(--ink)}
  .btn-back:hover{background:rgba(0,0,0,.11)}

  /* RESULTS */
  #results{display:none}
  .result-hero{text-align:center;margin-bottom:8px}
  .result-hero .rk{font-size:12px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.12em}
  .result-hero h4{font-size:26px;margin:8px 0 6px}
  .rec-card{
    border:1px solid var(--line);border-radius:18px;padding:22px;margin-top:18px;background:rgba(0,0,0,.04);
    display:flex;gap:18px;align-items:flex-start;
  }
  .rec-dot{width:14px;height:14px;border-radius:50%;flex:none;margin-top:5px;box-shadow:0 0 14px currentColor}
  .rec-card h5{font-size:18px;margin-bottom:2px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .rec-match{font-size:11px;font-weight:700;color:#fff;background:linear-gradient(135deg,#10b981,#d4af37);padding:3px 9px;border-radius:12px}
  .rec-why{font-size:14.5px;color:var(--ink-soft);margin:8px 0 12px}
  .rec-dose{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}
  .rec-dose div span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);font-weight:600}
  .rec-dose div b{font-size:15px}
  .rec-add{margin-top:14px;font-size:13px;padding:7px 15px}
  .disclaimer-box{
    font-size:12.5px;color:#9a8138;background:rgba(255,180,60,.06);border:1px solid rgba(255,180,60,.22);
    border-radius:14px;padding:14px 16px;margin-top:22px;line-height:1.5;
  }

  /* PAYMENTS */
  .pay-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:860px;margin:0 auto}
  .pay-card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;text-align:center;
    position:relative;backdrop-filter:blur(8px);transition:box-shadow .3s,border-color .3s;
  }
  .pay-card:hover{border-color:rgba(52,211,153,.25);box-shadow:var(--glow)}
  .pay-card .pico{
    width:56px;height:56px;border-radius:16px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;font-size:26px;
    border:1px solid var(--line);
  }
  .pay-card h3{font-size:21px;margin-bottom:8px}
  .pay-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:20px}
  .pay-card .btn{width:100%;justify-content:center}
  .soon{position:absolute;top:16px;right:16px;font-size:10.5px;font-weight:700;letter-spacing:.06em;color:#e8b13a;background:rgba(255,180,60,.12);border:1px solid rgba(255,180,60,.3);padding:4px 9px;border-radius:12px;text-transform:uppercase}
  .pay-note{text-align:center;font-size:13px;color:var(--ink-soft);margin-top:26px;max-width:560px;margin-left:auto;margin-right:auto}

  /* FOOTER */
  footer{background:rgba(240,242,245,.85);color:#5a6270;padding:56px 0 40px;font-size:13px;border-top:1px solid var(--line);position:relative;z-index:2}
  .foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:32px}
  .foot-brand{color:var(--ink);font-size:18px;font-weight:600;display:flex;align-items:center;gap:9px;margin-bottom:12px}
  .foot-brand svg{width:20px;height:20px}
  .foot-col h5{color:var(--ink);font-size:13px;margin-bottom:14px;font-weight:600}
  .foot-col a{display:block;color:#5a6270;margin-bottom:9px;transition:color .2s}
  .foot-col a:hover{color:var(--accent)}
  .foot-legal{border-top:1px solid var(--line);padding-top:24px;font-size:11.5px;line-height:1.6;color:#5a5f6e}

  /* TRUST STRIP */
  .trust-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:34px}
  .trust-strip .ts{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-soft);
    background:rgba(0,0,0,.05);border:1px solid var(--line);border-radius:20px;padding:7px 14px}
  .trust-strip .ts b{color:var(--ink);font-weight:600}
  .trust-strip .ts svg{width:15px;height:15px;stroke:var(--accent);fill:none;stroke-width:2}

  /* STAR RATING */
  .stars{display:inline-flex;align-items:center;gap:2px;color:#e6a92e;font-size:13px;letter-spacing:1px}
  .rate-row{display:flex;align-items:center;gap:7px;justify-content:center;font-size:12.5px;color:var(--ink-soft);margin-bottom:8px}
  .rate-row b{color:var(--ink)}

  /* PRODUCT CARD extras */
  .pc-badge{position:absolute;top:14px;left:14px;font-size:10.5px;font-weight:700;letter-spacing:.04em;
    background:linear-gradient(135deg,#10b981,#d4af37);color:#fff;padding:4px 9px;border-radius:12px;text-transform:uppercase;z-index:2}
  .coa-mini{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--accent);font-weight:600;margin-top:8px;cursor:pointer;position:relative}
  .coa-mini svg{width:13px;height:13px;stroke:var(--accent);fill:none;stroke-width:2}

  /* BUNDLES upgrade */
  .bundle-strike{color:var(--ink-soft);text-decoration:line-through;font-size:16px;margin-right:8px}
  .bundle-save{display:inline-block;font-size:12px;font-weight:700;color:#7ef0a0;background:rgba(80,220,130,.12);
    border:1px solid rgba(80,220,130,.28);padding:3px 10px;border-radius:12px;margin-left:6px}

  /* TIMELINE */
  .goal-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
  .goal-tab{border:1.5px solid var(--line);border-radius:22px;padding:9px 18px;font-size:14px;cursor:pointer;
    background:rgba(0,0,0,.04);color:var(--ink);font-weight:600;transition:.16s}
  .goal-tab.sel{border-color:var(--accent);background:rgba(52,211,153,.1);color:var(--accent)}
  .tl{position:relative;max-width:860px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .tl::before{content:'';position:absolute;top:26px;left:8%;right:8%;height:2px;
    background:linear-gradient(90deg,#10b981,#d4af37);opacity:.5}
  .tl-step{position:relative;text-align:center;padding:0 8px}
  .tl-dot{width:54px;height:54px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
    background:var(--bg);border:2px solid var(--accent);font-size:22px;position:relative;z-index:1;box-shadow:0 0 22px rgba(52,211,153,.25)}
  .tl-when{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:6px}
  .tl-text{font-size:14px;color:var(--ink-soft);line-height:1.5}

  /* REVIEWS */
  .rev-head{display:grid;grid-template-columns:repeat(3,1fr);align-items:start;justify-items:center;gap:20px;margin:0 auto 36px;max-width:680px}
  .rev-big{text-align:center}
  .rev-big .num{font-size:clamp(26px,6.5vw,44px);font-weight:700;line-height:1.05;white-space:nowrap}
  .rev-big .stars{margin-top:6px}
  .rev-big .lbl{font-size:12.5px;color:var(--ink-soft);margin-top:6px}
  .rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .rev-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;backdrop-filter:blur(8px)}
  .rev-card .rc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
  .rev-card .rc-name{font-weight:600;font-size:14.5px}
  .rev-card .rc-tag{font-size:11.5px;color:var(--ink-soft)}
  .rev-card p{font-size:14px;color:var(--ink-soft);line-height:1.55}
  .rev-verified{font-size:11px;color:#7ef0a0;font-weight:600;margin-top:10px;display:flex;align-items:center;gap:5px}
  .rev-verified svg{width:13px;height:13px;stroke:#7ef0a0;fill:none;stroke-width:2}

  /* COMPARATOR */
  .cmp-wrap{overflow-x:auto;max-width:960px;margin:0 auto}
  .cmp{width:100%;border-collapse:separate;border-spacing:0;min-width:640px}
  .cmp th,.cmp td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line);font-size:14px}
  .cmp th{position:relative}
  .cmp thead img{width:44px;height:56px;object-fit:contain;margin-bottom:6px}
  .cmp .cmp-name{font-weight:600;font-size:15px}
  .cmp .cmp-lbl{text-align:left;color:var(--ink-soft);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;font-weight:700}
  .cmp .btn{padding:8px 16px;font-size:13px}

  /* DOSE CALCULATOR */
  .calc-shell{max-width:640px;margin:0 auto;background:rgba(242,244,247,.7);border:1px solid var(--line);
    border-radius:22px;padding:30px;backdrop-filter:blur(12px)}
  .calc-row{margin-bottom:18px}
  .calc-row label{display:block;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:9px}
  .seg{display:flex;gap:8px;flex-wrap:wrap}
  .seg button{flex:1;min-width:70px;border:1.5px solid var(--line);border-radius:12px;padding:11px;font-size:14px;
    background:rgba(0,0,0,.04);color:var(--ink);cursor:pointer;font-family:var(--font);font-weight:600;transition:.15s}
  .seg button.sel{border-color:var(--accent);background:rgba(52,211,153,.1);color:var(--accent)}
  .calc-out{margin-top:22px;text-align:center;background:rgba(52,211,153,.06);border:1px solid rgba(52,211,153,.2);border-radius:16px;padding:22px}
  .calc-out .big{font-size:34px;font-weight:700;line-height:1.1}
  .calc-out .big span{font-size:16px;color:var(--ink-soft);font-weight:500}
  .calc-out .cap{font-size:13px;color:var(--ink-soft);margin-top:6px}

  /* FAQ */
  .faq-wrap{max-width:760px;margin:0 auto}
  .faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:rgba(0,0,0,.03);overflow:hidden}
  .faq-q{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;cursor:pointer;font-weight:600;font-size:15.5px}
  .faq-q .ico{flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:transform .25s;color:var(--accent)}
  .faq-item.open .faq-q .ico{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-soft);font-size:14.5px;line-height:1.6}
  .faq-a div{padding:0 20px 18px}

  /* MODAL (COA) */
  .modal{position:fixed;inset:0;z-index:400;display:none;align-items:center;justify-content:center;padding:20px;
    background:rgba(240,242,245,.8);backdrop-filter:blur(8px)}
  .modal.open{display:flex}
  .modal-card{max-width:520px;width:100%;background:rgba(245,246,249,.98);border:1px solid var(--line);border-radius:22px;
    padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.6);position:relative;max-height:90vh;overflow-y:auto}
  .modal-x{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
    background:rgba(0,0,0,.06);color:var(--ink);cursor:pointer;font-size:15px}
  .coa-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(80,220,130,.1);border:1px solid rgba(80,220,130,.3);
    color:#7ef0a0;font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:20px;margin-bottom:16px}
  .coa-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
  .coa-row span{color:var(--ink-soft)}.coa-row b{font-weight:600}
  .hplc{height:120px;background:linear-gradient(180deg,rgba(52,211,153,.06),transparent);border:1px solid var(--line);
    border-radius:12px;margin:16px 0;position:relative;overflow:hidden}
  .hplc svg{width:100%;height:100%}

  /* WHATSAPP FAB */
  .wa-fab{position:fixed;right:22px;bottom:92px;z-index:350;width:54px;height:54px;border-radius:50%;
    background:#25d366;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 26px rgba(37,211,102,.4);transition:transform .2s}
  .wa-fab:hover{transform:scale(1.08)}
  .wa-fab svg{width:28px;height:28px;fill:#fff}

  @media(max-width:860px){
    .rev-grid{grid-template-columns:1fr}
    .tl{grid-template-columns:1fr;gap:26px}
    .tl::before{display:none}
  }

  /* CART + CHECKOUT */
  .cart-fab{
    position:fixed;right:22px;bottom:22px;z-index:350;width:58px;height:58px;border-radius:50%;
    background:linear-gradient(135deg,#10b981,#d4af37);border:0;font-size:22px;cursor:pointer;
    box-shadow:0 8px 30px rgba(52,211,153,.4);display:flex;align-items:center;justify-content:center;
    transition:transform .2s;
  }
  .cart-fab:hover{transform:scale(1.08)}
  .cart-fab span{
    position:absolute;top:-4px;right:-4px;background:#e6c35c;color:#fff;font-size:11px;font-weight:700;
    min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 5px;
  }
  .cart-drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(440px,100vw);z-index:360;
    background:rgba(244,245,248,.97);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    border-left:1px solid var(--line);transform:translateX(105%);
    transition:transform .4s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;
    box-shadow:-30px 0 80px rgba(0,0,0,.6);
  }
  .cart-drawer.open{transform:none}
  .cart-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
  .cart-head h3{font-size:18px}
  .cart-x{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:rgba(0,0,0,.06);color:var(--ink);font-size:15px;cursor:pointer}
  .cart-body{flex:1;overflow-y:auto;padding:20px 22px 30px}
  .ci{display:flex;gap:12px;align-items:center;margin-bottom:12px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 14px}
  .ci img{width:42px;height:54px;object-fit:contain;border-radius:8px;background:rgba(0,0,0,.05)}
  .ci .n{font-weight:600;font-size:14.5px}
  .ci .m{font-size:12px;color:var(--ink-soft)}
  .qty{display:flex;align-items:center;gap:9px;margin-left:auto}
  .qty button{width:26px;height:26px;border-radius:8px;border:1px solid var(--line);background:rgba(0,0,0,.07);color:var(--ink);cursor:pointer;font-size:15px;line-height:1}
  .qty b{min-width:16px;text-align:center;font-size:14px}
  .lchip-row{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 12px}
  .lchip{border:1.5px solid var(--line);border-radius:18px;padding:6px 13px;font-size:12.5px;cursor:pointer;background:rgba(0,0,0,.04);font-weight:500}
  .lchip.sel{border-color:var(--accent);background:rgba(52,211,153,.1);color:var(--accent)}
  .llab{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);font-weight:700;margin-top:10px}
  .calc{background:rgba(52,211,153,.05);border:1px solid rgba(52,211,153,.18);border-radius:16px;padding:18px;margin-top:16px}
  .calc h4{font-size:14px;margin-bottom:12px;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
  .calc .crow{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:8px;gap:10px}
  .calc .crow b{text-align:right}
  .scorebar{height:8px;border-radius:6px;background:rgba(0,0,0,.09);overflow:hidden;margin:6px 0 4px}
  .scorebar i{display:block;height:100%;background:linear-gradient(90deg,#10b981,#d4af37);border-radius:6px;transition:width .4s}
  .calc .res{font-size:13px;color:var(--ink-soft);line-height:1.55;margin-top:10px}
  .calc .res b{color:var(--ink)}
  .cart-total{display:flex;justify-content:space-between;font-size:17px;font-weight:600;margin:16px 0 12px}
  .cart-cta{width:100%;justify-content:center;margin-top:6px}
  .cart-empty{text-align:center;color:var(--ink-soft);padding:40px 10px;font-size:14.5px}
  .field textarea{
    width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;font-size:15px;font-family:var(--font);
    background:rgba(0,0,0,.06);color:var(--ink);resize:vertical;min-height:64px;
  }
  .field textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(52,211,153,.12)}
  .fgap{margin-bottom:13px}
  .sum-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:12px;font-size:13.5px;line-height:1.6}
  .pc-add{margin-top:12px;padding:9px 18px;font-size:13.5px;width:100%;justify-content:center}

  /* RESPONSIVE */
  @media(max-width:860px){
    .eco-grid{grid-template-columns:1fr}
    .pay-grid{grid-template-columns:1fr}
    .prod-cards{grid-template-columns:repeat(2,1fr);gap:14px}
    .stage-content{align-items:center}
    .stage-glow,.stage-ring{left:50%;top:30%}
    /* mobile: vial in the top half; a bottom sheet holds the story */
    .stage-panel{top:auto;left:0;width:100%;height:58%;
      background:linear-gradient(0deg,rgba(244,245,248,.94) 60%,rgba(244,245,248,0));
      border-left:0;border-top:1px solid rgba(0,0,0,.09);
      -webkit-mask-image:linear-gradient(0deg,#000 62%,transparent);mask-image:linear-gradient(0deg,#000 62%,transparent)}
    .sblock{width:min(440px,86vw)}
    .sblock::before{left:-14px}
    .stage-content .sblock:first-child{margin-top:52vh}
    .stage-content .sblock:last-child{margin-bottom:18vh}
    .stage-hint{left:50%}
    .nav-links{
      position:fixed;top:54px;left:0;right:0;background:rgba(244,245,248,.96);backdrop-filter:blur(20px);
      flex-direction:column;padding:20px 24px;gap:18px;border-bottom:1px solid var(--line);
      transform:translateY(-140%);transition:transform .35s;box-shadow:var(--shadow)
    }
    .nav-links.open{transform:translateY(0)}
    .nav-links a{font-size:16px}
    .menu-btn{display:block}
    .two-col{grid-template-columns:1fr}
    .opt-grid{grid-template-columns:1fr}
    .foot-grid{flex-direction:column;gap:26px}
  }

  /* === 3D STAGE: keep an immersive DARK backdrop so the glass vial stays visible === */
  .stage{
    --ink:#eef2ff; --ink-soft:#8b93b0; --line:rgba(255,255,255,.1); --accent:#34d399;
    background:radial-gradient(85% 70% at 50% 32%,#0a0f1e 0%,#04060d 78%);
    color:#eef2ff;
  }
  .stage-ring{border-color:rgba(255,255,255,.12)}
  .stage-close{background:rgba(10,15,30,.55);color:#eef2ff;border-color:rgba(255,255,255,.14)}
  .stage-panel{
    background:linear-gradient(90deg,rgba(7,11,22,0) 0%,rgba(7,11,22,.72) 22%,rgba(7,11,22,.92) 100%);
    border-left:1px solid rgba(255,255,255,.09);
  }
  .sblock+.sblock{border-top:1px solid rgba(255,255,255,.1)}