:root{
    --void:#0a0710; --void-2:#140e1d; --card:#1a1325; --card-2:#221a30;
    --line:rgba(227,176,75,.18); --gold:#e3b04b; --gold-soft:#f2d48e;
    --ember:#d9603a; --text:#f4eee4; --muted:#b7aec2; --ok:#5fc48a;
    --radius:18px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{-webkit-text-size-adjust:100%}
  body{
    background:var(--void);
    background-image:
      radial-gradient(120% 60% at 50% -10%, rgba(217,96,58,.22), transparent 60%),
      radial-gradient(80% 40% at 50% 0%, rgba(227,176,75,.10), transparent 70%);
    background-attachment:fixed;
    color:var(--text); font:400 17px/1.55 Inter,system-ui,-apple-system,sans-serif;
    min-height:100vh; padding:0 16px calc(48px + env(safe-area-inset-bottom));
  }
  .wrap{max-width:560px;margin:0 auto}
  a{color:var(--gold-soft)}
  .serif{font-family:"Cormorant Garamond",Georgia,serif}

  /* ---------- Hero ---------- */
  .beta-hero{text-align:center;padding:44px 4px 26px}
  .header-art{display:block;width:100%;max-width:560px;height:auto;margin:0 auto 20px}
  .eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
  h1{font-family:"Cormorant Garamond",Georgia,serif;font-weight:700;font-size:40px;line-height:1.05;margin:8px 0 12px}
  .lede{color:var(--muted);font-size:17px;max-width:30em;margin:0 auto}

  /* ---------- Device picker ---------- */
  .q{font-weight:600;text-align:center;margin:8px 0 12px;font-size:16px}
  .picker{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .dev{appearance:none;border:1.5px solid var(--line);background:var(--card);color:var(--text);
    border-radius:var(--radius);padding:18px 10px;font:600 17px Inter,sans-serif;cursor:pointer;
    display:flex;flex-direction:column;align-items:center;gap:6px;transition:.2s}
  .dev .ico{font-size:30px;line-height:1}
  .dev small{font-weight:400;font-size:13px;color:var(--muted)}
  .dev[aria-pressed="true"]{border-color:var(--gold);background:linear-gradient(180deg,#2a1f18,#1a1325);
    box-shadow:0 0 0 3px rgba(227,176,75,.18)}
  .detected{text-align:center;color:var(--muted);font-size:13px;margin-top:10px;min-height:18px}
  .desk-note{display:none;margin-top:14px;padding:14px 16px;border-radius:14px;
    background:rgba(227,176,75,.08);border:1px dashed var(--line);font-size:15px;color:var(--muted)}
  .desk-note.show{display:block}

  /* ---------- Progress ---------- */
  .guide{margin-top:30px;display:none}
  .guide.show{display:block}
  .progress{position:sticky;top:0;z-index:5;padding:12px 0 14px;
    background:linear-gradient(var(--void) 70%, rgba(10,7,16,0))}
  .progress-top{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-bottom:8px}
  .progress-top b{color:var(--gold-soft);font-weight:600}
  .bar{height:8px;border-radius:99px;background:var(--card-2);overflow:hidden}
  .bar i{display:block;height:100%;width:0;border-radius:99px;
    background:linear-gradient(90deg,var(--ember),var(--gold));transition:width .5s ease}

  /* ---------- Steps ---------- */
  ol.steps{list-style:none;display:flex;flex-direction:column;gap:12px}
  .step{background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
  .step.active{border-color:rgba(227,176,75,.55);box-shadow:0 10px 30px rgba(0,0,0,.35)}
  .step.done{opacity:.72}
  .step-head{width:100%;appearance:none;background:none;border:0;color:inherit;text-align:left;cursor:pointer;
    display:flex;align-items:center;gap:14px;padding:16px 16px;font:inherit}
  .num{flex:0 0 40px;height:40px;border-radius:50%;display:grid;place-items:center;
    font:700 18px Inter,sans-serif;background:var(--card-2);color:var(--gold);border:1.5px solid var(--line);transition:.25s}
  .step.active .num{background:var(--gold);color:var(--void);border-color:var(--gold)}
  .step.done .num{background:var(--ok);color:#06210f;border-color:var(--ok)}
  .step-title{font-weight:600;font-size:18px;line-height:1.3;flex:1}
  .chev{color:var(--muted);transition:transform .25s;font-size:14px}
  .step.open .chev{transform:rotate(180deg)}
  .step-body{display:none;padding:0 16px 18px 70px}
  .step.open .step-body{display:block;animation:fade .3s ease}
  @keyframes fade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
  .step-body p{color:var(--muted);margin-bottom:12px}
  .step-body p strong{color:var(--text);font-weight:600}
  .tip{font-size:14px;background:rgba(255,255,255,.03);border-left:3px solid var(--gold);
    padding:10px 12px;border-radius:0 10px 10px 0;color:var(--muted);margin:4px 0 14px}
  .say{display:inline-block;background:#0f0b16;border:1px solid var(--line);border-radius:8px;
    padding:1px 8px;color:var(--gold-soft);font-weight:600;white-space:nowrap}

  .btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
    min-height:54px;padding:14px 18px;border-radius:14px;border:0;cursor:pointer;
    font:600 17px Inter,sans-serif;text-decoration:none;transition:transform .12s, filter .2s}
  .btn:active{transform:scale(.98)}
  .btn-primary{background:linear-gradient(180deg,#eebf5c,var(--gold));color:#1b1204;box-shadow:0 6px 20px rgba(227,176,75,.25)}
  .btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line);margin-top:10px}
  .btn-done{background:transparent;color:var(--ok);border:1.5px solid rgba(95,196,138,.4);margin-top:10px;font-size:16px;min-height:48px}
  .step.done .btn-done{color:var(--muted);border-color:var(--line)}

  label.fld{display:block;font-size:14px;color:var(--muted);margin:2px 0 6px}
  input[type=email]{width:100%;min-height:52px;padding:12px 14px;border-radius:12px;
    border:1.5px solid var(--line);background:#0f0b16;color:var(--text);font:500 17px Inter,sans-serif}
  input[type=email]:focus{outline:none;border-color:var(--gold)}
  .err{color:#ff9b7d;font-size:14px;margin-top:6px;display:none}
  .err.show{display:block}

  /* ---------- Finish ---------- */
  .finish{display:none;text-align:center;margin-top:18px;padding:26px 18px;border-radius:var(--radius);
    background:radial-gradient(100% 120% at 50% 0%, rgba(217,96,58,.25), var(--card) 70%);
    border:1.5px solid rgba(227,176,75,.5)}
  .finish.show{display:block;animation:fade .5s ease}
  .finish h2{font-family:"Cormorant Garamond",serif;font-size:32px;line-height:1.1;margin:6px 0 8px}
  .finish p{color:var(--muted)}

  /* ---------- Sections ---------- */
  section.block{margin-top:34px}
  h3{font-family:"Cormorant Garamond",serif;font-size:28px;font-weight:700;margin-bottom:6px}
  .sub{color:var(--muted);margin-bottom:14px}
  details{background:var(--card);border:1.5px solid var(--line);border-radius:14px;margin-bottom:10px}
  summary{cursor:pointer;list-style:none;padding:15px 44px 15px 16px;font-weight:600;position:relative}
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--gold);font-size:22px;font-weight:400}
  details[open] summary::after{content:"–"}
  details .ans{padding:0 16px 16px;color:var(--muted);font-size:16px}
  .faq-group{display:none}.faq-group.show{display:block}

  .share-card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:18px}
  .toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,20px);
    background:var(--gold);color:#1b1204;font-weight:600;padding:12px 18px;border-radius:99px;
    opacity:0;pointer-events:none;transition:.3s;z-index:20;font-size:15px}
  .toast.show{opacity:1;transform:translate(-50%,0)}

  @media (max-width:380px){ h1{font-size:34px} .step-body{padding-left:16px} }
  @media (prefers-reduced-motion:reduce){ *{animation:none!important;transition:none!important} }

  /* Responsive installation shell: one reading column on phones, two on desktop. */
  html{scroll-padding-top:80px}
  body{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right));background-attachment:scroll}
  .wrap{width:100%;max-width:680px}
  .intro,.setup,.device-choice,.step-title{min-width:0}
  h1{font-size:clamp(34px,6vw,54px);text-wrap:balance}
  p,.ans,a{overflow-wrap:anywhere}
  button,input,a,summary{-webkit-tap-highlight-color:transparent}
  :focus-visible{outline:3px solid var(--gold-soft);outline-offset:5px}
  .step{scroll-margin-top:90px}
  .step-body{padding-left:24px;padding-right:24px}
  .say{white-space:normal}
  .finish-icon{font-size:36px}
  .step.done{opacity:1}
  .step.done .step-title{color:var(--muted)}
  .desktop-transfer{display:none}
  .choose-prompt{margin-top:28px;padding:22px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted)}
  .skip-link{position:absolute;left:16px;top:0;transform:translateY(-150%);z-index:30;background:var(--gold);color:var(--void);padding:12px 18px;border-radius:8px}
  .skip-link:focus{transform:translateY(12px)}
  .no-script{max-width:680px;margin:24px auto;padding:20px}
  .toast{max-width:calc(100vw - 32px);width:max-content;text-align:center;border-radius:16px}
  .btn,.dev,.step-head,summary{touch-action:manipulation}
  @media (hover:hover){.dev:hover,.btn-ghost:hover{border-color:var(--gold)}.btn-primary:hover{filter:brightness(1.08)}}
  @media (min-width:960px){
    body{padding:0 40px 56px}
    .wrap{max-width:1180px;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
    .intro{padding-bottom:20px}
    .beta-hero{text-align:left;padding:48px 0 28px}
    .header-art{margin-left:0}
    .lede{margin-left:0;max-width:32em}
    .q{text-align:left}
    .dev{padding:22px 14px}
    .detected{text-align:left}
    .desk-note{display:none!important}
    .desktop-transfer{display:block;margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(227,176,75,.05)}
    .desktop-transfer p{margin-top:10px;color:var(--muted);font-size:15px}
    .setup{padding-top:34px}
    .guide{margin-top:0}
    .choose-prompt{margin-top:16px;min-height:250px;display:grid;place-items:center}
    .choose-prompt[hidden]{display:none}
    .step-head{padding:20px}
    .step-body{padding:0 24px 24px 74px}
  }
  @media (max-width:480px){
    body{font-size:16px}
    .beta-hero{padding-top:30px}
    .step-head{gap:10px;padding:16px 14px}
    .num{flex-basis:34px;height:34px;font-size:16px}
    .step-title{font-size:16px}
    .step-body{padding:0 16px 18px}
    .btn{font-size:16px;padding:12px}
    .dev{font-size:16px}
    .eyebrow{letter-spacing:.16em}
  }

  .header-home{display:block;width:100%;max-width:560px;margin:0 auto;text-decoration:none}
  .beta-page{padding:0 0 calc(48px + env(safe-area-inset-bottom))}
  .beta-page .wrap{padding-inline:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
  .beta-page .site-header{position:relative;left:auto;transform:none;margin:0 auto;padding:0;text-align:left}
  .beta-page .site-footer{margin:40px auto 0;text-align:left}
  @media(min-width:960px){
    .beta-page .wrap{max-width:1260px;padding-inline:40px}
    .header-home{margin-left:0}
  }