:root{
    --bg:#0a0a1a;
    --bg-2:#0f0f24;
    --surface:#141432;
    --surface-2:#1a1a3d;
    --border:rgba(255,255,255,.08);
    --border-strong:rgba(255,255,255,.16);
    --text:#eef0ff;
    --text-dim:#a6a8c9;
    --text-mute:#6f7299;
    --brand:#4f46e5;
    --brand-2:#7c73ff;
    --brand-glow:rgba(79,70,229,.55);
    --accent:#22d3ee;
    --good:#34d399;
    --warn:#f59e0b;
    --danger:#f87171;
  }
  *{box-sizing:border-box}
  html,body{margin:0;padding:0;background:var(--bg);color:var(--text)}
  html{scroll-behavior:smooth}
  body{
    font-family:"DM Sans",system-ui,sans-serif;
    line-height:1.55;
    background:
      radial-gradient(1200px 600px at 15% -10%, rgba(79,70,229,.28), transparent 60%),
      radial-gradient(900px 500px at 100% 10%, rgba(34,211,238,.14), transparent 60%),
      radial-gradient(700px 700px at 50% 120%, rgba(124,115,255,.18), transparent 60%),
      var(--bg);
    min-height:100vh;
    overflow-x:hidden;
  }
  .display{font-family:"Space Grotesk",sans-serif;letter-spacing:-.02em}
  .mono{font-family:"JetBrains Mono",monospace}
  a{color:var(--brand-2);text-decoration:none}
  a:hover{color:#a29bff}
  button{font-family:inherit}

  /* progress rail */
  #rail{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(255,255,255,.05);z-index:9999}
  #rail-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--brand),var(--accent));box-shadow:0 0 12px var(--brand-glow);transition:width .05s linear}

  /* nav */
  .nav{position:sticky;top:3px;z-index:100;backdrop-filter:blur(12px);background:rgba(10,10,26,.75);border-bottom:1px solid var(--border)}
  .nav-inner{position:relative;max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:16px}
  .brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:18px;letter-spacing:-.01em}
  .brand-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;font-size:15px;box-shadow:0 4px 20px var(--brand-glow)}
  .brand small{color:var(--text-mute);font-weight:400;font-size:12px;margin-left:6px}
  .nav-spacer{flex:1}
  .nav-stats{display:flex;gap:14px;align-items:center;font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--text-dim)}
  .nav-stats .chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:999px}
  .nav-stats .chip b{color:var(--text);font-weight:600}
  .nav-btn{font-size:13px;font-weight:500;padding:8px 14px;border-radius:8px;border:1px solid var(--border-strong);background:transparent;color:var(--text);cursor:pointer;transition:all .15s}
  .nav-btn:hover{background:rgba(255,255,255,.06)}
  .nav-btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;box-shadow:0 4px 20px var(--brand-glow)}
  .nav-btn.primary:hover{transform:translateY(-1px);box-shadow:0 6px 26px var(--brand-glow)}
  .nav-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .nav-user{font-size:13px;color:var(--text-dim)}
  /* nav menu */
  .nav-links{display:flex;gap:4px;align-items:center}
  .nav-links a{font-size:13px;color:var(--text-dim);text-decoration:none;padding:7px 10px;border-radius:8px;transition:all .15s}
  .nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
  .nav-links a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .nav-toggle{display:none;font-size:18px;line-height:1;padding:7px 11px;border-radius:8px;border:1px solid var(--border-strong);background:transparent;color:var(--text);cursor:pointer}
  .nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  @media (max-width:860px){
    .nav-toggle{display:block}
    .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:10px 16px 14px;background:rgba(10,10,26,.97);border-bottom:1px solid var(--border);display:none}
    .nav-links.open{display:flex}
    .nav-links a{padding:11px 10px}
  }
  /* chat */
  .chat{display:grid;grid-template-columns:200px 1fr;gap:16px}
  @media (max-width:760px){.chat{grid-template-columns:1fr}}
  .chat-regions{display:flex;flex-direction:column;gap:6px}
  @media (max-width:760px){.chat-regions{flex-direction:row;flex-wrap:wrap}}
  .region-btn{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);font-size:13px;cursor:pointer;transition:all .15s}
  .region-btn:hover{color:var(--text);border-color:var(--border-strong)}
  .region-btn[aria-pressed="true"]{color:var(--text);border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 4px 18px var(--brand-glow)}
  .region-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  @media (max-width:760px){.region-btn{width:auto}}
  .chat-panel{border:1px solid var(--border);border-radius:14px;background:var(--surface);display:flex;flex-direction:column;overflow:hidden}
  .chat-head{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--border);font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute)}
  .chat-head .live{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
  .chat-log{height:340px;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}
  .chat-msg{display:flex;gap:10px}
  .chat-msg .av{width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;font-size:11px;font-weight:600;background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--text-dim)}
  .chat-msg .who{font-size:13px;font-weight:600;font-family:"Space Grotesk",sans-serif}
  .chat-msg .when{font-size:11px;color:var(--text-mute);margin-left:6px;font-family:"JetBrains Mono",monospace}
  .chat-msg .txt{font-size:14px;color:var(--text-dim);margin-top:2px;word-break:break-word}
  .chat-empty{color:var(--text-mute);font-size:14px;text-align:center;margin:auto}
  .chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border);flex-wrap:wrap}
  .chat-form input{flex:1;min-width:120px;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--text);font:inherit;font-size:14px}
  .chat-form input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
  .chat-form button{padding:10px 16px;border-radius:10px;border:0;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:600;font-size:14px;cursor:pointer}
  .chat-form button:disabled{opacity:.55;cursor:not-allowed}
  .chat-form[hidden],.chat-gate[hidden],[hidden]{display:none !important}
  .chat-msg{position:relative}
  .chat-msg .body{flex:1;min-width:0}
  .chat-acts{display:flex;gap:6px;opacity:0;transition:opacity .15s}
  .chat-msg:hover .chat-acts,.chat-msg:focus-within .chat-acts{opacity:1}
  .chat-acts button{background:transparent;border:1px solid var(--border);color:var(--text-mute);border-radius:8px;font-size:11px;padding:3px 8px;cursor:pointer;font-family:"JetBrains Mono",monospace}
  .chat-acts button:hover{color:var(--text);border-color:var(--border-strong)}
  .chat-acts button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;opacity:1}
  .chat-gate{padding:14px;border-top:1px solid var(--border);display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--text-dim)}
  .chat-gate button{padding:8px 14px;border-radius:10px;border:0;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:600;font-size:13px;cursor:pointer}
  .chat-me{margin-top:12px;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface);font-size:13px;color:var(--text-dim)}
  .chat-me strong{color:var(--text);font-family:"Space Grotesk",sans-serif}
  .chat-me button{margin-top:8px;display:block;background:transparent;border:1px solid var(--border);color:var(--text-dim);border-radius:9px;padding:6px 10px;font-size:12px;cursor:pointer}
  .chat-me .badge-admin{display:inline-block;margin-left:6px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:2px 6px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-family:"JetBrains Mono",monospace}
  .chat-note{font-size:12px;color:var(--text-mute);margin-top:10px}

  /* full-width sections */
  section.band{padding:96px 24px;position:relative}
  .wrap{max-width:1200px;margin:0 auto}
  .band.alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02) 50%,transparent)}
  .band-h{display:flex;flex-direction:column;gap:8px;margin-bottom:36px;align-items:flex-start}
  .kicker{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);padding:4px 10px;border:1px solid rgba(34,211,238,.35);border-radius:999px;background:rgba(34,211,238,.08)}
  .band-h h2{font-family:"Space Grotesk",sans-serif;font-size:clamp(28px,4vw,44px);margin:0;letter-spacing:-.02em;font-weight:700}
  .band-h p{margin:0;color:var(--text-dim);max-width:640px;font-size:17px}
  .band-h .row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;width:100%}
  .band-h .row .grow{flex:1}

  /* HERO */
  .hero{padding:80px 24px 96px;text-align:left}
  .hero-inner{max-width:1200px;margin:0 auto}
  .hero-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
  .badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--border);font-size:12px;color:var(--text-dim)}
  .badge .dot{width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 8px var(--good)}
  .hero h1{font-family:"Space Grotesk",sans-serif;font-size:clamp(48px,8vw,96px);line-height:1;letter-spacing:-.035em;margin:0 0 22px;font-weight:700}
  .hero h1 .grad{background:linear-gradient(135deg,#fff 0%,var(--brand-2) 40%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero .lead{font-size:20px;color:var(--text-dim);max-width:640px;margin:0 0 34px}
  .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:48px}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:all .15s;color:var(--text);background:transparent}
  .btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 30px var(--brand-glow)}
  .btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px var(--brand-glow)}
  .btn.ghost{border-color:var(--border-strong)}
  .btn.ghost:hover{background:rgba(255,255,255,.05)}
  .btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:32px;border-top:1px solid var(--border);max-width:800px}
  .hero-stat .n{font-family:"Space Grotesk",sans-serif;font-size:32px;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero-stat .l{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;color:var(--text-mute);text-transform:uppercase;margin-top:4px}

  /* progress dashboard */
  .xp{background:linear-gradient(135deg,rgba(79,70,229,.15),rgba(34,211,238,.06));border:1px solid var(--border-strong);border-radius:20px;padding:22px;margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:800px}
  .xp-block .lbl{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--text-mute);margin-bottom:8px}
  .xp-bar{height:10px;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden;position:relative}
  .xp-bar-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:999px;transition:width .6s cubic-bezier(.2,.8,.2,1);box-shadow:0 0 12px var(--brand-glow)}
  .xp-block .val{font-family:"Space Grotesk",sans-serif;font-size:28px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
  .xp-block .val small{font-size:14px;color:var(--text-mute);font-weight:400;margin-left:4px}

  /* pricing */
  .tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .tier{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:14px;position:relative;transition:transform .2s, border-color .2s}
  .tier:hover{transform:translateY(-4px);border-color:var(--border-strong)}
  .tier.best{background:linear-gradient(180deg,rgba(79,70,229,.15),var(--surface) 60%);border-color:rgba(124,115,255,.5);box-shadow:0 20px 60px -20px var(--brand-glow)}
  .tier .plan-name{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-mute)}
  .tier.best .plan-name{color:var(--accent)}
  .tier .price{font-family:"Space Grotesk",sans-serif;font-size:48px;font-weight:700;line-height:1;letter-spacing:-.03em}
  .tier .price small{font-family:"DM Sans",sans-serif;font-size:14px;color:var(--text-mute);font-weight:400;margin-left:4px}
  .tier ul{list-style:none;padding:0;margin:0}
  .tier ul li{padding:8px 0;display:flex;gap:10px;align-items:flex-start;color:var(--text-dim);font-size:14px;border-bottom:1px solid var(--border)}
  .tier ul li:last-child{border-bottom:none}
  .tier ul li::before{content:"→";color:var(--brand-2);flex-shrink:0}
  .tier .perk{font-size:12px;color:var(--good);display:flex;align-items:center;gap:6px}
  .deal-bar{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
    margin:0 auto 22px;max-width:520px;padding:10px 16px;border-radius:999px;
    background:rgba(255,138,76,.12);border:1px solid rgba(255,138,76,.35);
    font-size:13px;letter-spacing:.04em}
  .deal-bar .deal-clock{font-family:'Space Grotesk',system-ui,sans-serif;font-weight:700;
    font-size:16px;color:#ffb27a;font-variant-numeric:tabular-nums}
  .tier .tier-btn{margin-top:auto;padding:13px;border-radius:10px;border:1px solid var(--border-strong);background:transparent;color:var(--text);font-weight:600;font-size:14px;cursor:pointer;transition:all .15s}
  .tier .tier-btn:hover:not(:disabled){background:rgba(255,255,255,.06)}
  .tier.best .tier-btn{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;box-shadow:0 8px 24px var(--brand-glow)}
  .tier.best .tier-btn:hover:not(:disabled){transform:translateY(-1px)}
  .tier .tier-btn:disabled{opacity:.7;cursor:not-allowed;color:var(--good);border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.08)}
  .tier .tier-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .best-badge{position:absolute;top:-12px;right:22px;padding:5px 12px;background:linear-gradient(135deg,var(--brand),var(--accent));border-radius:999px;font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.15em;font-weight:600;color:#0a0a1a}

  /* calculator */
  .calc{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px}
  .calc-row{padding:20px 0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center}
  .calc-row:first-child{padding-top:0}
  .calc-row:last-of-type{border-bottom:none}
  .calc-row .lbl{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:17px}
  .calc-row .lbl small{display:block;font-family:"JetBrains Mono",monospace;font-weight:400;font-size:11px;color:var(--text-mute);letter-spacing:.1em;text-transform:uppercase;margin-top:3px}
  .pills{display:flex;flex-wrap:wrap;gap:8px}
  .pill{font-size:13px;padding:10px 16px;border:1px solid var(--border-strong);border-radius:10px;background:rgba(255,255,255,.03);color:var(--text-dim);cursor:pointer;transition:all .15s;font-weight:500}
  .pill:hover{color:var(--text);border-color:var(--brand-2)}
  .pill[aria-pressed="true"]{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent;box-shadow:0 4px 16px var(--brand-glow)}
  .pill:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .total{margin-top:20px;padding:22px 24px;background:linear-gradient(135deg,rgba(79,70,229,.2),rgba(34,211,238,.08));border:1px solid var(--border-strong);border-radius:14px;display:flex;justify-content:space-between;align-items:center}
  .total .lbl{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.15em;color:var(--text-dim);text-transform:uppercase}
  .total .val{font-family:"Space Grotesk",sans-serif;font-size:44px;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
  .calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
  .calc-field{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px 12px}
  .calc-field .lbl{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:16px}
  .calc-field .lbl small{display:block;font-family:"JetBrains Mono",monospace;font-weight:400;font-size:10.5px;color:var(--text-mute);letter-spacing:.1em;text-transform:uppercase;margin-top:3px}
  .calc-field .fv{font-family:"JetBrains Mono",monospace;font-size:15px;color:var(--accent);min-width:64px;text-align:right}
  .calc-field input[type=range]{grid-column:1 / -1;width:100%;appearance:none;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--accent));outline:none;cursor:pointer}
  .calc-field input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 2px 10px var(--brand-glow)}
  .calc-field input[type=range]::-moz-range-thumb{width:18px;height:18px;border:3px solid var(--brand);border-radius:50%;background:#fff}
  .calc-field input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
  .calc-out{margin-top:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
  .stat-box{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
  .stat-box .k{display:block;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute)}
  .stat-box .v{display:block;font-family:"Space Grotesk",sans-serif;font-size:24px;font-weight:700;margin-top:6px}
  .verdict{margin-top:16px;text-align:center;font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding:12px;border-radius:10px;border:1px solid var(--border-strong)}
  .verdict.ship{color:var(--good);background:rgba(52,211,153,.08)}
  .verdict.hold{color:var(--warn);background:rgba(245,158,11,.08)}
  .verdict.skip{color:var(--danger);background:rgba(248,113,113,.08)}

  /* lessons */
  .lessons{display:flex;flex-direction:column;gap:12px}
  .lesson{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease, border-color .2s}
  .lesson.in{opacity:1;transform:none}
  .lesson:hover{border-color:var(--border-strong)}
  .lesson.open{border-color:rgba(124,115,255,.4);box-shadow:0 8px 40px -12px var(--brand-glow)}
  .lesson.done{border-color:rgba(52,211,153,.35)}
  .l-head{display:flex;align-items:center;gap:16px;padding:20px 24px;background:transparent;border:0;width:100%;text-align:left;color:inherit;cursor:pointer}
  .l-head:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
  .l-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(79,70,229,.25),rgba(34,211,238,.1));border:1px solid var(--border-strong);display:grid;place-items:center;font-size:22px;flex-shrink:0}
  .lesson.done .l-icon{background:linear-gradient(135deg,rgba(52,211,153,.25),rgba(52,211,153,.05));border-color:rgba(52,211,153,.4)}
  .l-meta{flex:1;min-width:0}
  .l-code{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.15em;color:var(--text-mute);text-transform:uppercase}
  .l-title{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:19px;margin:2px 0 0;letter-spacing:-.01em}
  .l-right{display:flex;align-items:center;gap:12px;color:var(--text-mute)}
  .l-right .xpwin{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--accent);padding:3px 8px;border:1px solid rgba(34,211,238,.3);border-radius:6px}
  .caret{font-family:"JetBrains Mono",monospace;font-size:16px;color:var(--text-mute);transition:transform .2s}
  .lesson.open .caret{transform:rotate(90deg);color:var(--brand-2)}
  .l-body{display:none;padding:0 24px 22px;color:var(--text-dim)}
  .lesson.open .l-body{display:block}
  .l-hero{margin:4px 0 16px;border-radius:12px;overflow:hidden;border:1px solid var(--border);aspect-ratio:16/7;background:#0d0d20;position:relative}
  .l-hero img{width:100%;height:100%;object-fit:cover;display:block;opacity:.92;transition:opacity .3s, transform .6s}
  .lesson:hover .l-hero img{opacity:1;transform:scale(1.02)}
  .l-hero .tag{position:absolute;left:12px;bottom:10px;font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.15em;text-transform:uppercase;background:rgba(10,10,26,.7);padding:5px 9px;border-radius:6px;border:1px solid var(--border-strong);backdrop-filter:blur(6px)}
  .l-caption{margin:0 0 14px;font-size:13px;color:var(--text-mute);font-style:italic;padding-left:2px;border-left:2px solid var(--border-strong);padding-left:10px}
  .l-video{margin:14px 0 8px;border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;background:#0d0d20}
  .l-video iframe{display:block;width:100%;aspect-ratio:16/9;border:0}
  .lesson.pro-lesson .l-icon{background:linear-gradient(135deg,rgba(245,158,11,.3),rgba(245,158,11,.05));border-color:rgba(245,158,11,.5)}
  .pro-flag{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.18em;color:var(--warn);padding:3px 8px;border:1px solid rgba(245,158,11,.5);border-radius:6px;background:rgba(245,158,11,.08);text-transform:uppercase}
  .l-body ul{margin:8px 0 18px;padding:0 0 0 20px}
  .l-body ul li{margin:8px 0;font-size:15px}
  .l-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-top:14px;border-top:1px solid var(--border)}
  .cat{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--text-mute);letter-spacing:.1em;text-transform:uppercase}
  .mark-done{padding:8px 14px;border-radius:8px;border:1px solid rgba(52,211,153,.4);background:rgba(52,211,153,.08);color:var(--good);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}
  .mark-done:hover{background:rgba(52,211,153,.15)}
  .mark-done.done{background:var(--good);color:#0a0a1a}
  .lesson.locked{opacity:.85}
  .lesson.locked .l-icon{background:rgba(255,255,255,.03);border-style:dashed;color:var(--text-mute)}
  .lesson.locked .l-title{color:var(--text-dim)}
  .locked-msg{padding:18px 4px 4px;color:var(--text-dim);font-size:14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .locked-msg button{padding:8px 14px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));border:0;color:#fff;font-weight:600;font-size:13px;cursor:pointer}
  .l-prompt{margin:14px 0 0;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.03);overflow:hidden}
  .l-prompt .ph{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border-bottom:1px solid var(--border);font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute)}
  .l-prompt .ph button{padding:6px 11px;border-radius:8px;border:1px solid var(--border-strong);background:transparent;color:var(--text);font-size:12px;font-weight:600;cursor:pointer;font-family:"DM Sans",sans-serif;letter-spacing:0;text-transform:none}
  .l-prompt .ph button:hover{background:rgba(255,255,255,.06)}
  .l-prompt pre{margin:0;padding:13px;white-space:pre-wrap;word-break:break-word;font-family:"JetBrains Mono",monospace;font-size:12.5px;line-height:1.6;color:var(--text-dim)}
  .l-warn{margin:12px 0 0;padding:11px 13px;border-left:3px solid var(--warn,#f59e0b);background:rgba(245,158,11,.08);border-radius:0 10px 10px 0;font-size:13.5px;color:var(--text-dim)}

  /* weekly drop */
  .drops{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
  .drop{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;transition:border-color .2s}
  .drop:hover{border-color:var(--border-strong)}
  .drop .date{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--accent);letter-spacing:.1em;margin-bottom:8px}
  .drop h3{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:17px;margin:0 0 6px;letter-spacing:-.01em}
  .drop p{margin:0;color:var(--text-dim);font-size:14px}
  .gate{border:1px dashed var(--border-strong);border-radius:20px;padding:48px 24px;text-align:center;background:linear-gradient(180deg,rgba(79,70,229,.06),transparent)}
  .gate h3{font-family:"Space Grotesk",sans-serif;margin:0 0 8px;font-size:26px;letter-spacing:-.01em}
  .gate p{margin:0 auto 20px;max-width:480px;color:var(--text-dim)}
  .gate button{padding:12px 22px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:10px;font-weight:600;cursor:pointer;font-size:14px;box-shadow:0 8px 24px var(--brand-glow)}

  /* mini-game */
  .game{background:var(--surface);border:1px solid var(--border-strong);border-radius:20px;padding:28px;display:grid;gap:18px}
  .game-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
  .game-head h3{margin:0;font-family:"Space Grotesk",sans-serif;font-size:22px;letter-spacing:-.01em}
  .game-stat{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--text-dim);display:flex;gap:16px;flex-wrap:wrap}
  .game-stat b{color:var(--accent);font-weight:600}
  .game-card{background:linear-gradient(135deg,rgba(79,70,229,.15),rgba(34,211,238,.05));border:1px solid var(--border-strong);border-radius:16px;padding:24px;display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center;min-height:150px}
  .game-card .g-img{width:120px;height:120px;border-radius:14px;overflow:hidden;background:#0d0d20;border:1px solid var(--border)}
  .game-card .g-img img{width:100%;height:100%;object-fit:cover;display:block}
  .game-info{display:grid;gap:6px}
  .game-info .gname{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:18px;letter-spacing:-.01em}
  .game-info .grow-row{display:flex;gap:12px;flex-wrap:wrap;font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--text-dim)}
  .game-info .grow-row b{color:var(--text);font-weight:600}
  .game-info .warn-flag{font-size:12px;color:var(--warn);font-family:"JetBrains Mono",monospace;letter-spacing:.1em}
  .game-btns{display:flex;gap:10px;flex-wrap:wrap}
  .game-btns button{flex:1;min-width:130px;padding:14px;border-radius:12px;border:1px solid var(--border-strong);background:transparent;color:var(--text);font-weight:600;cursor:pointer;font-size:14px;transition:all .15s}
  .game-btns .ship{background:linear-gradient(135deg,var(--good),#22c07a);border-color:transparent;color:#0a0a1a}
  .game-btns .skip{background:transparent}
  .game-btns button:hover{transform:translateY(-1px)}
  .game-btns button:disabled{opacity:.5;cursor:not-allowed;transform:none}
  .game-feedback{padding:14px 16px;border-radius:12px;font-size:14px;display:none;align-items:center;gap:10px}
  .game-feedback.good{display:flex;background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.35);color:var(--good)}
  .game-feedback.bad{display:flex;background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.35);color:var(--danger)}
  .game-done{text-align:center;padding:32px 16px}
  .game-done h3{font-family:"Space Grotesk",sans-serif;font-size:28px;margin:0 0 6px;letter-spacing:-.01em}
  .game-done p{color:var(--text-dim);margin:0 0 18px}
  .game-done button{padding:12px 22px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:10px;font-weight:600;cursor:pointer;font-size:14px}

  /* reviews */
  .faq{display:grid;gap:10px;max-width:820px}
  .faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03);overflow:hidden}
  .faq-item summary{cursor:pointer;list-style:none;padding:16px 18px;font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:16px;display:flex;justify-content:space-between;gap:12px;align-items:center}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{content:"+";color:var(--text-dim);font-size:20px;line-height:1}
  .faq-item[open] summary::after{content:"–"}
  .faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
  .faq-a{padding:0 18px 18px;color:var(--text-dim);font-size:15px;line-height:1.6}
  .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .review{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}
  .review .rh{display:flex;align-items:center;gap:10px;margin-bottom:8px}
  .avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;font-weight:600;font-size:13px;color:#0a0a1a}
  .review .rn{font-weight:600;font-size:14px}
  .review .rp{font-family:"JetBrains Mono",monospace;font-size:10px;padding:2px 7px;background:rgba(255,255,255,.06);border-radius:6px;letter-spacing:.1em;color:var(--text-dim);margin-left:auto}
  .review .rp.pro{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
  .stars{color:var(--warn);letter-spacing:2px;font-size:14px}
  .review p{margin:8px 0 0;color:var(--text-dim);font-size:14px}
  .review-form{background:var(--surface);border:1px solid var(--border-strong);border-radius:16px;padding:22px;margin-top:20px;display:grid;gap:12px}
  .review-form label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;color:var(--text-mute);text-transform:uppercase;margin-bottom:-6px}
  .review-form input,.review-form textarea,.review-form select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border-strong);background:var(--bg-2);color:var(--text);font-family:inherit;font-size:14px}
  .review-form textarea{resize:vertical;min-height:70px}
  .review-form input:focus,.review-form textarea:focus,.review-form select:focus{outline:2px solid var(--brand-2);outline-offset:1px;border-color:transparent}
  .review-form button{padding:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:10px;font-weight:600;cursor:pointer;justify-self:start;padding-left:24px;padding-right:24px}
  .review-note{padding:18px;border:1px dashed var(--border-strong);border-radius:14px;color:var(--text-dim);font-size:14px;margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:rgba(255,255,255,.02)}
  .review-note button{padding:8px 14px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;font-weight:600;cursor:pointer;font-size:13px}

  /* Pro extras: suppliers, research template, priority Q&A, PDF */
  .sup-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;font-size:14px}
  .sup-table th,.sup-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
  .sup-table th{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute);background:rgba(255,255,255,.02);font-weight:600}
  .sup-table tr:last-child td{border-bottom:0}
  .sup-table td.spec{color:var(--text-dim)}
  .sup-table td .sname{font-weight:600;font-family:"Space Grotesk",sans-serif;color:var(--text)}
  .sup-table td .rel{display:block;color:var(--text-mute);font-size:12px;margin-top:2px}
  .cmp-wrap{overflow-x:auto;margin-bottom:34px}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .cmp-table{width:100%;min-width:560px;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;font-size:14px}
  .cmp-table th,.cmp-table td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:center}
  .cmp-table th:first-child,.cmp-table td:first-child{text-align:left}
  .cmp-table thead th{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute);background:rgba(255,255,255,.02);font-weight:600}
  .cmp-table thead th small{display:block;font-family:"DM Sans",sans-serif;letter-spacing:0;text-transform:none;font-size:12px;color:var(--text-dim);margin-top:3px}
  .cmp-table tbody tr:last-child td{border-bottom:0}
  .cmp-table td:first-child{color:var(--text-dim)}
  .cmp-table .yes{color:var(--accent);font-weight:600}
  .cmp-table .no{color:var(--text-mute)}
  .cmp-table .pro-col{background:rgba(255,255,255,.03)}
  .sup-wrap{overflow-x:auto}

  .pr-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
  .pr-form{background:var(--surface);border:1px solid var(--border-strong);border-radius:16px;padding:22px;display:grid;gap:12px}
  .pr-form label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;color:var(--text-mute);text-transform:uppercase;margin-bottom:-6px}
  .pr-form input,.pr-form select,.pr-form textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border-strong);background:var(--bg-2);color:var(--text);font-family:inherit;font-size:14px}
  .pr-form textarea{min-height:70px;resize:vertical}
  .pr-form input:focus,.pr-form select:focus,.pr-form textarea:focus{outline:2px solid var(--brand-2);outline-offset:1px;border-color:transparent}
  .pr-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .pr-margin{padding:12px 14px;border-radius:10px;background:linear-gradient(135deg,rgba(79,70,229,.15),rgba(34,211,238,.05));border:1px solid var(--border-strong);font-family:"JetBrains Mono",monospace;font-size:13px;display:flex;justify-content:space-between;align-items:center}
  .pr-margin b{font-family:"Space Grotesk",sans-serif;font-size:20px;color:var(--accent)}
  .pr-margin.ok b{color:var(--good)}
  .pr-margin.warn b{color:var(--warn)}
  .pr-margin.bad b{color:var(--danger)}
  .pr-form button{padding:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:10px;font-weight:600;cursor:pointer;font-size:14px}
  .pr-list{display:flex;flex-direction:column;gap:10px;max-height:520px;overflow-y:auto;padding-right:4px}
  .pr-empty{padding:24px;border:1px dashed var(--border-strong);border-radius:14px;color:var(--text-mute);font-size:13px;text-align:center}
  .pr-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;position:relative}
  .pr-card h4{margin:0 0 6px;font-family:"Space Grotesk",sans-serif;font-size:15px;letter-spacing:-.01em}
  .pr-card .pr-stats{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--text-dim);display:flex;gap:10px;flex-wrap:wrap;margin-bottom:6px}
  .pr-card .pr-stats b{color:var(--text)}
  .pr-card .pr-tag{display:inline-block;font-family:"JetBrains Mono",monospace;font-size:10px;padding:2px 7px;border-radius:6px;letter-spacing:.1em;margin-right:6px}
  .pr-card .pr-notes{color:var(--text-dim);font-size:13px;margin:6px 0 0}
  .pr-card .pr-del{position:absolute;top:10px;right:10px;background:transparent;border:0;color:var(--text-mute);cursor:pointer;font-size:16px;padding:4px 8px;border-radius:6px}
  .pr-card .pr-del:hover{background:rgba(255,255,255,.05);color:var(--danger)}
  .tag-verdict{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.15em;padding:3px 8px;border-radius:6px;text-transform:uppercase}
  .tag-verdict.ship{background:rgba(52,211,153,.12);color:var(--good);border:1px solid rgba(52,211,153,.35)}
  .tag-verdict.skip{background:rgba(248,113,113,.12);color:var(--danger);border:1px solid rgba(248,113,113,.35)}
  .tag-verdict.hold{background:rgba(245,158,11,.12);color:var(--warn);border:1px solid rgba(245,158,11,.35)}

  /* priority Q&A + PDF */
  .qa-form{background:var(--surface);border:1px solid var(--border-strong);border-radius:16px;padding:22px;display:grid;gap:12px;max-width:640px}
  .qa-form label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;color:var(--text-mute);text-transform:uppercase;margin-bottom:-6px}
  .qa-form input,.qa-form textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border-strong);background:var(--bg-2);color:var(--text);font-family:inherit;font-size:14px}
  .qa-form textarea{min-height:110px;resize:vertical}
  .qa-form input:focus,.qa-form textarea:focus{outline:2px solid var(--brand-2);outline-offset:1px;border-color:transparent}
  .qa-form button{justify-self:start;padding:12px 22px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:10px;font-weight:600;cursor:pointer;font-size:14px}
  .qa-note{font-size:12px;color:var(--text-mute);font-style:italic;margin-top:-4px}

  /* "cleared" stamp for Q&A confirmation */
  .stamp-cleared{margin-top:14px;padding:18px 22px;border:2px dashed rgba(52,211,153,.55);border-radius:14px;color:var(--good);font-family:"JetBrains Mono",monospace;letter-spacing:.12em;text-transform:uppercase;font-size:13px;background:rgba(52,211,153,.06);display:flex;align-items:center;gap:14px;transform:rotate(-1deg);animation:stampin .4s ease}
  .stamp-cleared .st-ic{width:44px;height:44px;border-radius:50%;border:2px solid var(--good);display:grid;place-items:center;font-size:22px}
  .stamp-cleared .st-body{display:grid;gap:2px}
  .stamp-cleared .st-body b{font-size:14px;letter-spacing:.15em}
  .stamp-cleared .st-body span{font-family:"DM Sans",sans-serif;text-transform:none;letter-spacing:0;font-style:italic;color:var(--text-dim);font-size:12px}
  @keyframes stampin{ from{opacity:0;transform:rotate(-6deg) scale(1.2)} to{opacity:1;transform:rotate(-1deg) scale(1)} }


  /* footer */
  footer{padding:56px 24px 40px;border-top:1px solid var(--border);text-align:center;color:var(--text-mute)}
  footer .brand{justify-content:center;margin-bottom:14px}
  footer p{max-width:600px;margin:0 auto;font-size:14px}

  /* modal */
  .modal-back{position:fixed;inset:0;background:rgba(5,5,15,.75);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}
  .modal-back.open{display:flex;animation:fadein .18s ease}
  @keyframes fadein{from{opacity:0}to{opacity:1}}
  .modal{background:var(--surface);border:1px solid var(--border-strong);border-radius:20px;max-width:420px;width:100%;padding:28px;position:relative;box-shadow:0 30px 80px rgba(0,0,0,.6)}
  .modal h3{font-family:"Space Grotesk",sans-serif;margin:0 0 16px;font-size:24px;letter-spacing:-.01em}
  .tabs{display:flex;gap:4px;margin-bottom:18px;padding:4px;background:var(--bg-2);border-radius:10px}
  .tab{flex:1;padding:9px;font-family:inherit;font-size:13px;font-weight:600;background:transparent;border:0;border-radius:8px;color:var(--text-dim);cursor:pointer;transition:all .15s}
  .tab.active{background:var(--surface-2);color:var(--text);box-shadow:0 2px 6px rgba(0,0,0,.2)}
  .modal label{display:block;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;color:var(--text-mute);text-transform:uppercase;margin-bottom:6px;margin-top:12px}
  .modal input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border-strong);background:var(--bg-2);color:var(--text);font-size:15px;font-family:inherit}
  .modal input:focus{outline:2px solid var(--brand-2);outline-offset:1px;border-color:transparent}
  .modal button.submit{width:100%;padding:13px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:10px;font-weight:600;cursor:pointer;margin-top:18px;font-size:14px;box-shadow:0 8px 24px var(--brand-glow)}
  .modal .close{position:absolute;top:14px;right:16px;background:transparent;border:0;color:var(--text-dim);font-size:20px;cursor:pointer;width:32px;height:32px;border-radius:8px}
  .modal .close:hover{background:rgba(255,255,255,.06)}

  /* toast */
  #toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--surface);border:1px solid var(--border-strong);border-radius:12px;padding:14px 18px;color:var(--text);font-size:14px;font-weight:500;box-shadow:0 20px 60px rgba(0,0,0,.5);z-index:2000;opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.2,.8,.2,1);display:flex;align-items:center;gap:10px}
  #toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  #toast .ic{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;font-size:14px;color:#0a0a1a;font-weight:700}

  /* confetti */
  .confetti{position:fixed;top:0;left:0;width:8px;height:12px;pointer-events:none;z-index:1500;border-radius:1px}

  @media (max-width: 900px){
    .tiers,.reviews,.drops,.hero-stats{grid-template-columns:1fr 1fr}
    .xp{grid-template-columns:1fr}
    .calc-row{grid-template-columns:1fr}
    .nav-stats{display:none}
    section.band{padding:64px 20px}
    .hero{padding:56px 20px 72px}
    .pr-grid{grid-template-columns:1fr}
  }
  @media (max-width: 560px){
    .tiers,.reviews,.drops,.hero-stats{grid-template-columns:1fr}
    .hero .lead{font-size:17px}
    .brand small{display:none}
  }
  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important}
    .lesson{opacity:1 !important;transform:none !important}
    .confetti{display:none !important}
  }
  html.no-motion *{transition:none !important;animation:none !important}
  html.no-motion .lesson{opacity:1 !important;transform:none !important}
  html.no-motion .confetti{display:none !important}

/* footer legal / contact columns */
.foot-legal{
  display:flex;gap:56px;flex-wrap:wrap;justify-content:center;
  margin:34px auto 0;padding-top:26px;border-top:1px solid var(--border);
  max-width:760px;text-align:left;
}
.foot-legal .foot-col{display:flex;flex-direction:column;gap:12px;min-width:180px}
.foot-legal h4{
  margin:0;font-size:15px;font-weight:700;color:var(--text);
}
.foot-legal a{
  color:var(--text-mute);text-decoration:none;font-size:14.5px;transition:color .15s ease;
}
.foot-legal a:hover{color:var(--text)}
@media (max-width:560px){.foot-legal{gap:30px;padding-left:6px}}

/* legal document page */
.legal-doc{max-width:780px;display:flex;flex-direction:column;gap:28px}
.legal-doc article{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px 24px;
}
.legal-doc h2{font-size:20px;margin:0 0 10px}
.legal-doc p{color:var(--text-mute);font-size:15px;line-height:1.7;margin:0 0 12px}
.legal-doc p:last-child{margin-bottom:0}
.legal-doc a{color:var(--accent)}

  /* ===== Studio polish: calmer, more considered surface treatment ===== */
  :root{
    --brand-glow:rgba(79,70,229,.32);
    --surface:#13132b;
    --surface-2:#191938;
    --border:rgba(255,255,255,.07);
    --border-strong:rgba(255,255,255,.13);
    --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px -28px rgba(0,0,0,.85);
    --shadow-lift:0 28px 60px -34px rgba(0,0,0,.9);
  }
  body{
    background:
      radial-gradient(900px 520px at 12% -12%, rgba(79,70,229,.20), transparent 62%),
      radial-gradient(760px 440px at 100% 4%, rgba(34,211,238,.09), transparent 60%),
      var(--bg);
    -webkit-font-smoothing:antialiased;
    letter-spacing:-.005em;
  }
  body::before{
    content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(1100px 620px at 50% 0%,#000,transparent 78%);
  }
  section.band{padding:104px 24px}
  @media (max-width:760px){section.band{padding:64px 18px}}
  .band.alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.018) 50%,transparent)}
  .band-h{margin-bottom:44px}
  .band-h h2{letter-spacing:-.03em;line-height:1.06}
  .band-h p{color:var(--text-dim);font-size:16.5px;line-height:1.65}
  .kicker{background:rgba(255,255,255,.04);border-color:var(--border-strong);color:var(--text-dim)}

  .nav{background:rgba(10,10,26,.72);backdrop-filter:blur(16px) saturate(140%)}
  .nav-inner{padding:12px 24px}
  .nav-links a{font-size:13.5px}
  .nav-btn,.btn,.tier .tier-btn{border-radius:10px}
  .btn.primary,.nav-btn.primary,.tier.best .tier-btn{box-shadow:0 10px 26px -12px var(--brand-glow)}
  .btn.primary:hover{transform:translateY(-1px);box-shadow:0 14px 32px -12px var(--brand-glow)}

  .tier,.calc,.chat-panel,.stat-box,.chat-me{box-shadow:var(--shadow-card)}
  .tier{border-radius:18px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
  .tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
  .tier.best{box-shadow:0 30px 70px -34px var(--brand-glow),var(--shadow-card)}
  .hero h1{letter-spacing:-.04em}
  .hero .lead{font-size:19px;line-height:1.6}
  .xp{border-color:var(--border);box-shadow:var(--shadow-card)}
  .xp-bar-fill,.brand-mark{box-shadow:none}
  .hero-stat .n{background:linear-gradient(135deg,#fff,#c9c6ff);-webkit-background-clip:text;background-clip:text}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
  @media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}

/* ============================================================
   Studio polish — typographic rhythm, surfaces, controls
   ============================================================ */
:root{
  --ease:cubic-bezier(.22,.61,.36,1);
  --radius-lg:18px;
  --radius-md:12px;
}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{text-rendering:optimizeLegibility}
::selection{background:color-mix(in oklab,var(--brand) 40%,transparent);color:#fff}

/* consistent measure + heading scale */
.wrap{max-width:1180px;margin-inline:auto}
.band-h{max-width:760px}
.band-h h2{font-size:clamp(26px,3.4vw,42px);letter-spacing:-.035em}
.band-h p{max-width:64ch}
.kicker{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;padding:6px 11px;border-radius:999px}

/* hairline section separators instead of hard edges */
section.band + section.band{border-top:1px solid color-mix(in oklab,var(--border) 60%,transparent)}

/* navigation: quieter, more deliberate */
.nav{border-bottom:1px solid color-mix(in oklab,var(--border) 70%,transparent)}
.nav-links a{position:relative;padding-block:6px;color:var(--text-dim);transition:color .18s var(--ease)}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text)}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{transform:scaleX(1)}

/* controls */
.btn,.nav-btn,.tier .tier-btn{
  font-weight:600;letter-spacing:-.01em;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active,.nav-btn:active,.tier .tier-btn:active{transform:translateY(1px)}
.btn.ghost:hover,.nav-btn:not(.primary):hover{border-color:var(--border-strong);background:rgba(255,255,255,.05)}

/* surfaces get one shared elevation language */
.tier,.calc,.chat-panel,.stat-box,.faq-item,.lesson,.card,.compare-wrap{
  border-radius:var(--radius-lg);
}
.lesson,.faq-item{transition:border-color .18s var(--ease),background-color .18s var(--ease)}
.lesson:hover,.faq-item:hover{border-color:var(--border-strong)}

/* tables read like a product spec sheet */
table th{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}
table td,table th{padding:14px 16px}
table tbody tr:hover{background:rgba(255,255,255,.025)}

/* refined scrollbars */
*{scrollbar-width:thin;scrollbar-color:color-mix(in oklab,var(--border-strong) 90%,transparent) transparent}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:color-mix(in oklab,var(--border-strong) 90%,transparent);border-radius:999px;border:3px solid transparent;background-clip:padding-box}
*::-webkit-scrollbar-thumb:hover{background:color-mix(in oklab,var(--text-dim) 60%,transparent);background-clip:padding-box}

/* mobile density */
@media (max-width:760px){
  .band-h{margin-bottom:28px}
  .band-h h2{font-size:clamp(23px,7vw,30px)}
  .hero .lead{font-size:16.5px}
  .btn,.nav-btn{min-height:44px}
}
.nav-btn{white-space:nowrap}

/* Plan rationale line */
.tier .tier-why{margin:0;font-size:13px;line-height:1.55;color:var(--text-dim);padding-bottom:4px;border-bottom:1px solid var(--border)}
.tier .tier-why strong{color:var(--text);font-weight:600}

/* Current-plan highlight on pricing */
.tier{position:relative}
.tier.current{border-color:rgba(99,102,241,.55);box-shadow:0 0 0 1px rgba(99,102,241,.35),0 18px 40px -22px rgba(79,70,229,.55)}
.tier.current::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(180deg,rgba(99,102,241,.10),transparent 55%)}
.current-badge{position:absolute;top:-10px;left:16px;z-index:2;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;padding:4px 9px;border-radius:999px;background:linear-gradient(135deg,#6366f1,#22d3ee);color:#0b1020;font-weight:700}
.tier.best .current-badge{left:auto;right:16px}

/* ===== Motion layer ===== */
@keyframes slRise{from{opacity:0;transform:translate3d(0,26px,0) scale(.985)}to{opacity:1;transform:none}}
@keyframes slFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes slShine{0%{background-position:-140% 0}100%{background-position:240% 0}}
@keyframes slGlowPulse{0%,100%{opacity:.45}50%{opacity:.9}}

[data-reveal]{opacity:0;transform:translate3d(0,26px,0);transition:opacity .7s var(--ease,cubic-bezier(.22,1,.36,1)),transform .7s var(--ease,cubic-bezier(.22,1,.36,1));will-change:opacity,transform}
[data-reveal].sl-in{opacity:1;transform:none}
[data-reveal][data-reveal="left"]{transform:translate3d(-24px,0,0)}
[data-reveal][data-reveal="scale"]{transform:scale(.96)}

.band-h .kicker{animation:slRise .6s var(--ease,cubic-bezier(.22,1,.36,1)) both}
.brand-mark{transition:transform .5s var(--ease,cubic-bezier(.22,1,.36,1))}
.brand:hover .brand-mark{transform:rotate(180deg) scale(1.08)}

/* interactive lift */
.tier,.lesson,.card,.review,.faq-item{transition:transform .35s var(--ease,cubic-bezier(.22,1,.36,1)),box-shadow .35s var(--ease,cubic-bezier(.22,1,.36,1)),border-color .35s ease}
.tier:hover,.card:hover,.review:hover{transform:translateY(-4px)}
.tier:hover{box-shadow:0 26px 60px -30px rgba(0,0,0,.75)}

/* buttons: sheen + press */
.btn,.nav-btn,.submit{position:relative;overflow:hidden;transition:transform .18s var(--ease,cubic-bezier(.22,1,.36,1)),box-shadow .25s ease,background-color .25s ease,filter .25s ease}
.btn:hover,.nav-btn:hover,.submit:hover{transform:translateY(-2px)}
.btn:active,.nav-btn:active,.submit:active{transform:translateY(0) scale(.985)}
.btn::after,.submit::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.28) 50%,transparent 65%);background-size:220% 100%;background-repeat:no-repeat;opacity:0;pointer-events:none}
.btn:hover::after,.submit:hover::after{opacity:1;animation:slShine .9s ease}

/* chips / badges micro-motion */
.chip,.badge{transition:transform .25s var(--ease,cubic-bezier(.22,1,.36,1)),color .25s ease,border-color .25s ease}
.chip:hover,.badge:hover{transform:translateY(-1px) scale(1.03)}

/* hero accents drift */
.hero .brand-mark,.hero-orb{animation:slFloat 6.5s ease-in-out infinite}
.tier.current::after{animation:slGlowPulse 4s ease-in-out infinite}

/* nav shrink on scroll */
.nav{transition:padding .3s var(--ease,cubic-bezier(.22,1,.36,1)),background-color .3s ease,box-shadow .3s ease}
body.sl-scrolled .nav{box-shadow:0 12px 30px -22px rgba(0,0,0,.9);backdrop-filter:saturate(140%) blur(14px)}

/* rail fill smoothing */
#rail-fill{transition:width .15s linear}

@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1 !important;transform:none !important;transition:none !important}
}