:root{
    --violet:#8B5CF6;
    --bg:#0D0D14;
    --surface:#1A1A2E;
    --surface-2:#252540;
    --text:#F0EFFF;
    --text-2:#9090B0;
    --border:#2A2A45;
    --green:#22C55E;
    --green-bg:#14532D;
    --amber:#F59E0B;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:'Inter',system-ui,-apple-system,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  button{font-family:inherit;cursor:pointer;border:none}
  input{font-family:inherit}
  img{display:block;max-width:100%}

  /* ---------- page transitions ---------- */
  .page{display:none;min-height:100vh;animation:pageIn .45s ease both}
  .page.active{display:block}
  @keyframes pageIn{
    from{opacity:0;transform:translateY(14px)}
    to{opacity:1;transform:none}
  }

  .container{max-width:1120px;margin:0 auto;padding:0 20px}

  /* ---------- header ---------- */
  .header{display:flex;align-items:center;justify-content:space-between;padding:24px 0}
  .wordmark{font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--text);display:flex;align-items:center;gap:10px}
  .logo-mark{width:28px;height:28px;flex:none;display:flex;align-items:center;justify-content:center;
    filter:drop-shadow(0 0 6px rgba(139,92,246,.55))}
  .logo-mark img,.logo-mark svg{width:100%;height:100%;object-fit:contain}
  .pill-badge{
    font-size:13px;font-weight:500;color:var(--text-2);
    border:1px solid var(--border);border-radius:999px;padding:6px 14px;
  }

  /* ---------- hero ---------- */
  .hero{text-align:center;padding:56px 0 24px}
  .chip{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13.5px;font-weight:600;color:var(--text);
    background:var(--surface);border:1px solid var(--border);
    border-radius:999px;padding:8px 16px;margin-bottom:28px;
  }
  .chip .dot{width:8px;height:8px;border-radius:50%;background:var(--violet);flex:none}
  h1{
    font-size:clamp(40px,7vw,72px);font-weight:800;line-height:1.05;
    letter-spacing:-.03em;color:var(--text);
  }
  .subhead{font-size:18px;color:var(--text-2);margin:20px auto 0;max-width:480px}

  /* ---------- email capture ---------- */
  .capture{max-width:520px;margin:36px auto 0}
  .capture-row{display:flex;gap:10px}
  .capture input{
    flex:1;height:54px;border-radius:999px;padding:0 22px;
    background:var(--surface);border:1px solid var(--border);
    color:var(--text);font-size:15.5px;outline:none;min-width:0;
    transition:border-color .2s;
  }
  .capture input::placeholder{color:var(--text-2)}
  .capture input:focus{border-color:var(--violet)}
  .capture input.error{border-color:#EF4444}
  .btn{
    height:54px;border-radius:999px;padding:0 26px;
    background:var(--violet);color:#fff;font-weight:600;font-size:15.5px;
    white-space:nowrap;transition:filter .15s,transform .1s;
  }
  .btn:hover{filter:brightness(1.1)}
  .btn:active{transform:scale(.98)}
  .capture-note{font-size:13px;color:var(--text-2);text-align:center;margin-top:14px}

  /* ---------- pack card text bits (used on download cards) ---------- */
  .pack-name{font-weight:600;font-size:16px;color:var(--text)}
  .pack-cat{font-size:12px;color:var(--text-2);margin-top:2px}
  .pack-count{font-size:13px;color:var(--text);white-space:nowrap}
  .badge-free{
    font-size:12px;font-weight:600;color:var(--green);
    background:var(--green-bg);border-radius:999px;padding:4px 12px;
  }

  /* ---------- cover placeholder (until real images land) ---------- */
  .cover-ph{
    position:absolute;inset:0;display:flex;flex-direction:column;
    justify-content:space-between;padding:16px 18px;
  }
  .cover-ph .ph-name{font-weight:800;font-size:clamp(18px,2vw,24px);line-height:1.1;letter-spacing:-.02em;max-width:80%}
  .cover-ph .ph-bottom{display:flex;justify-content:space-between;align-items:flex-end;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;opacity:.75}

  /* ---------- gallery ---------- */
  .gallery{padding:96px 0 32px;text-align:center}
  .gallery h2{font-size:32px;font-weight:800;letter-spacing:-.02em}
  .gallery .sub{color:var(--text-2);margin-top:8px;font-size:16px}
  .marquee-wrap{position:relative;margin-top:44px;overflow:hidden}
  .marquee-wrap::before,.marquee-wrap::after{
    content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none;
  }
  .marquee-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
  .marquee-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),transparent)}
  .marquee-row{display:flex;gap:18px;width:max-content;padding:9px 0;animation:scroll 55s linear infinite}
  .marquee-row.reverse{animation-direction:reverse}
  .marquee-row:hover{animation-play-state:paused}
  @keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
  .cover-card{
    width:280px;height:180px;border-radius:16px;overflow:hidden;flex:none;
    position:relative;border:1px solid var(--border);
    transition:transform .25s;
  }
  .cover-card:hover{transform:scale(1.04)}
  .cover-card img{width:100%;height:100%;object-fit:cover}

  /* ---------- pillars ---------- */
  .pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:80px 0 56px}
  .pillar{
    background:var(--surface);border:1px solid var(--border);border-radius:20px;
    padding:28px 26px;position:relative;overflow:hidden;
    transition:transform .25s,border-color .25s;
  }
  .pillar::before{
    content:"";position:absolute;top:0;left:26px;right:26px;height:1px;
    background:linear-gradient(90deg,transparent,rgba(139,92,246,.5),transparent);
  }
  .pillar:hover{transform:translateY(-4px);border-color:#3a3a5c}
  .pillar-icon{
    width:44px;height:44px;border-radius:12px;margin-bottom:18px;
    display:flex;align-items:center;justify-content:center;
  }
  .pillar-icon.violet{background:rgba(139,92,246,.14);color:#A78BFA}
  .pillar-icon.amber{background:rgba(245,158,11,.12);color:var(--amber)}
  .pillar-icon.green{background:rgba(34,197,94,.12);color:var(--green)}
  .pillar-stat{
    font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
    color:#A78BFA;margin-bottom:6px;
  }
  .pillar h3{font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
  .pillar p{font-size:15px;color:var(--text-2)}

  /* ---------- social proof ---------- */
  .social-proof{display:flex;justify-content:center;padding:0 20px;margin-top:28px}
  .social-proof-pill{
    display:inline-flex;align-items:center;gap:14px;
    background:var(--surface);border:1px solid var(--border);border-radius:999px;
    padding:12px 24px 12px 14px;font-size:14px;color:var(--text-2);
  }
  .social-proof b{color:var(--text);font-weight:600}
  .avatars{display:flex}
  .avatars span{
    width:30px;height:30px;border-radius:50%;border:2px solid var(--bg);
    margin-right:-9px;flex:none;
  }
  .avatars span:last-child{margin-right:0}
  .stars{color:var(--amber);font-size:12px;letter-spacing:2px;margin-right:2px}
  @media (max-width:640px){
    .social-proof-pill{flex-wrap:wrap;justify-content:center;border-radius:24px;text-align:center}
  }

  /* ---------- footer ---------- */
  footer{text-align:center;padding:48px 0 40px}
  footer .wordmark{justify-content:center;margin-bottom:12px}
  footer .links{font-size:13px;color:var(--text-2)}
  footer .links a{color:var(--text-2);text-decoration:none}
  footer .links a:hover{color:var(--text)}

  /* ---------- question pages ---------- */
  .q-top{display:flex;align-items:center;justify-content:space-between;padding:24px 0}
  .back-btn{
    background:none;color:var(--text-2);font-size:15px;display:flex;align-items:center;gap:6px;
    padding:8px 12px;border-radius:999px;transition:color .15s,background .15s;
  }
  .back-btn:hover{color:var(--text);background:var(--surface)}
  .step-label{font-size:13px;color:var(--text-2)}
  .q-wrap{max-width:600px;margin:0 auto;padding:32px 20px 80px;text-align:center}
  .q-wrap h1{font-size:clamp(32px,5vw,44px)}
  .q-wrap .subhead{font-size:16px;margin-top:14px}
  .q-label{font-size:20px;font-weight:600;text-align:left;margin:44px 0 16px}

  .option-card{
    width:100%;text-align:left;background:var(--surface);
    border:1.5px solid var(--border);border-radius:16px;
    padding:18px 20px;margin-bottom:12px;color:var(--text);
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    transition:border-color .15s,background .15s;
  }
  .option-card:hover{border-color:var(--violet)}
  .option-card .ol{font-weight:600;font-size:16px}
  .option-card .od{font-size:13.5px;color:var(--text-2);margin-top:2px}
  .option-card .check{
    width:26px;height:26px;border-radius:50%;flex:none;
    border:1.5px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    color:transparent;font-size:14px;transition:all .15s;
  }
  .option-card.selected{background:var(--surface-2);border-color:var(--violet)}
  .option-card.selected .ol{color:var(--violet)}
  .option-card.selected .check{background:var(--violet);border-color:var(--violet);color:#fff}

  .subjects{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}
  .subject-card{
    background:var(--surface);border:1.5px solid var(--border);border-radius:16px;
    padding:14px 16px;display:flex;align-items:center;gap:13px;color:var(--text);text-align:left;
    transition:border-color .15s,background .15s;position:relative;
  }
  .subject-card:hover{border-color:var(--violet)}
  .subject-card .swatch{width:36px;height:36px;border-radius:10px;flex:none}
  .subject-card .sl{font-weight:600;font-size:14px}
  .subject-card .sd{font-size:12px;color:var(--text-2)}
  .subject-card .check{
    position:absolute;top:10px;right:10px;width:20px;height:20px;border-radius:50%;
    background:var(--violet);color:#fff;font-size:11px;
    display:none;align-items:center;justify-content:center;
  }
  .subject-card.selected{background:var(--surface-2);border-color:var(--violet)}
  .subject-card.selected .sl{color:var(--violet)}
  .subject-card.selected .check{display:flex}

  .selected-count{color:var(--violet);font-weight:600;font-size:14px;margin-top:20px;min-height:22px;visibility:hidden}
  .selected-count.visible{visibility:visible}

  .btn-full{width:100%;margin-top:28px}

  /* ---------- confirmation ---------- */
  .confirm-wrap{max-width:600px;margin:0 auto;padding:64px 20px 80px;text-align:center}
  .success-icon{
    width:56px;height:56px;border-radius:50%;background:var(--green);
    display:flex;align-items:center;justify-content:center;margin:0 auto 28px;
    color:#fff;font-size:26px;animation:pop .4s cubic-bezier(.34,1.56,.64,1) both .15s;
  }
  @keyframes pop{from{transform:scale(0)}to{transform:scale(1)}}
  .confirm-wrap h1{font-size:40px}
  .confirm-wrap .subhead{font-size:16px}

  .dl-cards{margin-top:40px;display:flex;flex-direction:column;gap:14px;text-align:left}
  .dl-card{
    background:var(--surface);border:1px solid var(--border);border-radius:20px;
    display:flex;align-items:stretch;overflow:hidden;
  }
  .dl-art{width:140px;flex:none;position:relative;overflow:hidden}
  .dl-art img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
  .dl-art .cover-ph{padding:10px 12px}
  .dl-art .cover-ph .ph-name{font-size:14px}
  .dl-art .cover-ph .ph-bottom{font-size:8px}
  .dl-info{flex:1;padding:16px 18px;min-width:0}
  .dl-info .pack-name{font-size:16px}
  .dl-info .pack-cat{margin:2px 0 8px}
  .dl-meta-row{display:flex;align-items:center;gap:10px}
  .dl-action{display:flex;align-items:center;padding:0 18px 0 6px}
  .btn-dl{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--violet);color:#fff;font-weight:600;font-size:13.5px;
    border-radius:999px;padding:11px 18px;white-space:nowrap;text-decoration:none;
    transition:filter .15s;
  }
  .btn-dl:hover{filter:brightness(1.1)}

  .install-note{font-size:13px;color:var(--text-2);margin-top:22px;line-height:1.7}

  .teaser-card{
    background:var(--surface-2);border:1px solid var(--border);border-radius:20px;
    padding:26px 28px;margin-top:44px;text-align:left;
  }
  .teaser-head{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.01em}
  .teaser-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;margin-top:20px}
  .t-item{display:flex;gap:12px;align-items:flex-start}
  .t-icon{
    width:32px;height:32px;border-radius:9px;flex:none;
    display:flex;align-items:center;justify-content:center;
  }
  .t-icon.violet{background:rgba(139,92,246,.14);color:#A78BFA}
  .t-icon.green{background:rgba(34,197,94,.12);color:var(--green)}
  .t-icon.amber{background:rgba(245,158,11,.12);color:var(--amber)}
  .t-title{font-size:14px;font-weight:600;color:var(--text);line-height:1.4;padding-top:1px}
  .t-sub{font-size:12.5px;color:var(--text-2);margin-top:3px;line-height:1.55}
  @media (max-width:640px){.teaser-grid{grid-template-columns:1fr}}

  .dl-card-bonus{border-style:dashed;border-color:#4c3a85}
  .bonus-art{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    background:linear-gradient(135deg,#241b47,#352363);
  }
  .bonus-plus{font-size:28px;font-weight:800;color:var(--violet);letter-spacing:-.02em}
  .bonus-label{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-2)}
  .badge-locked{
    font-size:12px;font-weight:600;color:#A78BFA;
    background:rgba(139,92,246,.13);border-radius:999px;padding:4px 12px;
  }
  .btn-invite{
    background:transparent;color:var(--violet);font-weight:600;font-size:13.5px;
    border:1.5px solid var(--violet);border-radius:999px;padding:11px 18px;white-space:nowrap;
    transition:background .15s;
  }
  .btn-invite:hover{background:var(--surface-2)}
  .dl-action-invite{flex-direction:column;justify-content:center;align-items:stretch;gap:3px;padding:0 14px 0 0}
  .dl-card-bonus .dl-info{padding-right:10px}
  .dl-card-bonus .pack-cat{font-size:12.5px;line-height:1.5;margin:2px 0 6px}
  .dl-action-invite .btn-invite{width:100%;padding:6px 12px;font-size:12px}
  .dl-action-invite .invite-link{justify-content:center;padding:2px 8px;font-size:10px}
  .invite-link{
    display:inline-flex;align-items:center;gap:6px;
    font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:11px;
    color:#A78BFA;background:rgba(139,92,246,.08);
    border:1px dashed rgba(139,92,246,.35);border-radius:999px;
    padding:5px 12px;letter-spacing:.01em;white-space:nowrap;
  }
  .invite-link:empty{display:none}
  .invite-link::before{content:"";width:11px;height:11px;flex:none;
    background:currentColor;
    -webkit-mask:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 007.5.5l3-3a5 5 0 00-7-7l-1.7 1.7"/><path d="M14 11a5 5 0 00-7.5-.5l-3 3a5 5 0 007 7l1.7-1.7"/></svg>') center/contain no-repeat;
    mask:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 007.5.5l3-3a5 5 0 00-7-7l-1.7 1.7"/><path d="M14 11a5 5 0 00-7.5-.5l-3 3a5 5 0 007 7l1.7-1.7"/></svg>') center/contain no-repeat;
  }

  .launch-teaser{margin-top:60px;font-size:13.5px;color:var(--text-2);line-height:1.8}

  /* ---------- lightbox ---------- */
  .has-preview{cursor:pointer}
  .lightbox{
    position:fixed;inset:0;z-index:100;display:none;
    align-items:center;justify-content:center;flex-direction:column;gap:16px;
    background:rgba(8,8,14,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    padding:24px;
  }
  .lightbox.open{display:flex;animation:lbIn .25s ease both}
  @keyframes lbIn{from{opacity:0}to{opacity:1}}
  .lightbox img{
    max-width:min(920px,92vw);max-height:78vh;border-radius:20px;
    border:1px solid var(--border);box-shadow:0 24px 80px rgba(0,0,0,.6);
    animation:lbImg .25s ease both;
  }
  @keyframes lbImg{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
  .lightbox-caption{display:flex;align-items:center;gap:12px;font-size:15px}
  .lightbox-caption b{color:var(--text);font-weight:600}
  .lightbox-caption span{color:var(--text-2);font-size:13px}
  .lightbox-close{
    position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;
    background:var(--surface);border:1px solid var(--border);color:var(--text-2);
    font-size:16px;display:flex;align-items:center;justify-content:center;
    transition:color .15s,border-color .15s;
  }
  .lightbox-close:hover{color:var(--text);border-color:var(--violet)}

  /* ---------- responsive ---------- */
  @media (max-width:900px){
    .pillars{grid-template-columns:1fr;gap:32px}
    .packs{grid-template-columns:1fr;max-width:440px;margin-left:auto;margin-right:auto}
  }
  @media (max-width:640px){
    .capture-row{flex-direction:column}
    .capture input{flex:none;width:100%;height:54px}
    .btn{width:100%;flex:none}
    .subjects{grid-template-columns:1fr}
    .dl-card{flex-direction:column}
    .dl-art{width:100%;height:140px}
    .dl-art img{position:static;height:140px}
    .dl-action{padding:0 18px 18px}
    .btn-dl{width:100%}
    .confirm-wrap h1{font-size:32px}
  }