/* =====================================================================
   BUILDER · hero
   ===================================================================== */
.b-hero{padding:calc(var(--nav-h) + 54px) 24px 34px;background:radial-gradient(45% 60% at 80% 0%,rgba(124,58,237,.16),transparent 70%),var(--bg)}
.b-hero .wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.b-hero .lead{margin-top:0;max-width:40ch;font-size:16.5px}
.b-hero .hint{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-family:var(--f-m);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.b-hero .hint i{width:6px;height:6px;border-radius:50%;background:#4ADE80;box-shadow:0 0 8px #4ADE80;animation:pulse 1.6s infinite}

/* =====================================================================
   BUILDER · the configurator
   ===================================================================== */
.bld{padding:10px 24px 70px}
.bld-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start}
.steps{display:grid;gap:14px}
.step{border:1px solid var(--line);border-radius:22px;padding:22px 22px 24px;background:linear-gradient(180deg,rgba(18,8,31,.8),rgba(9,4,16,.8));transition:border-color .3s ease}
.step.done{border-color:rgba(205,166,255,.32)}
.step-h{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.step-n{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-family:var(--f-m);font-size:12px;color:var(--dim);
  border:1.5px solid rgba(205,166,255,.28);transition:all .3s ease}
.step.done .step-n{border-color:transparent;background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff;box-shadow:0 0 14px rgba(232,121,249,.6)}
.step h2{margin:0;font-family:var(--f-d);font-weight:500;font-size:18px;letter-spacing:-.02em}
.step-h small{margin-left:auto;font-family:var(--f-m);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{all:unset;box-sizing:border-box;cursor:pointer;display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;font-size:14px;color:var(--muted);
  border:1px solid rgba(205,166,255,.22);background:rgba(5,2,8,.5);transition:all .2s ease}
.opt:hover{color:var(--ink);border-color:rgba(205,166,255,.45)}
.opt:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
.opt::before{content:"";width:14px;height:14px;border-radius:50%;border:1.5px solid rgba(205,166,255,.35);transition:all .2s ease;flex-shrink:0}
.opt.multi::before{border-radius:4px}
.opt[aria-pressed="true"]{color:#fff;border-color:transparent;background:linear-gradient(135deg,rgba(124,58,237,.85),rgba(168,85,247,.85));box-shadow:0 6px 18px -8px rgba(168,85,247,.9)}
.opt[aria-pressed="true"]::before{border-color:#fff;background:#fff;box-shadow:inset 0 0 0 3px #8B45F0}
.opt.multi[aria-pressed="true"]::before{box-shadow:none;background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C3AED' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'><path d='M5 12.5l4.5 4.5L19 7'/></svg>") center/10px no-repeat}
.other-in{display:none;margin-top:10px}
.other-in.on{display:block}
.other-in input,.agent-note{width:100%}
.other-in input{background:rgba(5,2,8,.6);border:1px solid rgba(205,166,255,.3);border-radius:12px;padding:11px 14px;color:var(--ink);font:500 15px var(--f-b);outline:0}
.other-in input:focus{border-color:var(--glow);box-shadow:0 0 0 4px rgba(205,166,255,.12)}
.ag-list{display:grid;gap:8px}
.ag{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-columns:36px minmax(0,1fr) 44px;gap:12px;align-items:center;padding:10px 12px;border-radius:14px;
  border:1px solid rgba(205,166,255,.16);background:rgba(5,2,8,.45);transition:all .2s ease}
.ag:hover{border-color:rgba(205,166,255,.4)}
.ag:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
.ag .av{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-family:var(--f-d);font-weight:600;font-size:13px;letter-spacing:-.04em;color:var(--muted);
  background:rgba(205,166,255,.08);transition:all .25s ease}
.ag b{display:block;font-weight:500;font-size:14.5px;color:var(--ink)}
.ag small{display:block;font-size:13px;color:var(--muted)}
.ag .sw{width:40px;height:22px;border-radius:999px;background:rgba(205,166,255,.16);position:relative;transition:background .25s ease}
.ag .sw::after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:var(--muted);transition:transform .25s ease,background .25s ease}
.ag[aria-pressed="true"]{border-color:rgba(205,166,255,.4);background:rgba(124,58,237,.12)}
.ag[aria-pressed="true"] .av{color:#fff;background:linear-gradient(135deg,var(--violet),var(--purple));box-shadow:0 0 16px -4px rgba(168,85,247,.9)}
.ag[aria-pressed="true"] .sw{background:linear-gradient(90deg,var(--violet),var(--pink))}
.ag[aria-pressed="true"] .sw::after{transform:translateX(18px);background:#fff}
.ag .sug{display:none;margin-left:6px;font-family:var(--f-m);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--pink)}
.ag.suggested .sug{display:inline}
.tool-key{display:flex;gap:16px;margin-top:12px;font-size:12.5px;color:var(--dim)}
.tool-key span{display:inline-flex;align-items:center;gap:6px}
.tool-key i{width:8px;height:8px;border-radius:50%}

/* add your own */
.add{display:flex;gap:8px;margin-top:12px;align-items:stretch;flex-wrap:wrap}
.add input,.add select{background:rgba(5,2,8,.6);border:1px solid rgba(205,166,255,.26);border-radius:12px;color:var(--ink);font:500 14px var(--f-b);outline:0}
.add input{flex:1;min-width:180px;padding:10px 13px}
.add input::placeholder{color:var(--dim);font-weight:400}
.add select{padding:0 10px;color:var(--muted);cursor:pointer}
.add select option{background:#0C0516;color:var(--ink)}
.add input:focus,.add select:focus{border-color:var(--glow);box-shadow:0 0 0 4px rgba(205,166,255,.12)}
.add input[aria-invalid="true"]{border-color:#F87171}
.add button{all:unset;box-sizing:border-box;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:0 15px;border-radius:12px;font-size:14px;font-weight:500;color:var(--ink);
  border:1px solid rgba(205,166,255,.35);background:rgba(124,58,237,.18);transition:background .2s ease,border-color .2s ease}
.add button:hover{background:rgba(124,58,237,.32);border-color:var(--glow)}
.add button:focus-visible{outline:2px solid var(--glow);outline-offset:2px}
.add-err{display:none;width:100%;font-size:13px;color:#F87171}
.add-err.on{display:block}
.opt .x{display:inline-grid;place-items:center;width:18px;height:18px;margin:0 -4px 0 2px;border-radius:50%;font-size:13px;line-height:1;opacity:.75;background:rgba(255,255,255,.14)}
.opt .x:hover{opacity:1;background:rgba(255,255,255,.3)}
.opt .own,.ag .own{margin-left:4px;font-family:var(--f-m);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;opacity:.8}
.opt .tm{margin-left:2px;font-family:var(--f-m);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;padding:2px 6px;border-radius:999px;background:rgba(5,2,8,.35)}
.ag .x{all:unset;cursor:pointer;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:14px;color:var(--muted);background:rgba(205,166,255,.1)}
.ag .x:hover{color:var(--ink);background:rgba(205,166,255,.25)}
.ag.own-ag{grid-template-columns:36px minmax(0,1fr) 22px 44px}

/* live canvas */
.cv-wrap{position:sticky;top:calc(var(--nav-h) + 16px)}
.canvas{position:relative;height:clamp(440px,calc(100vh - var(--nav-h) - 250px),620px);border-radius:26px;overflow:hidden;border:1px solid rgba(205,166,255,.22);
  background:radial-gradient(55% 50% at 50% 42%,rgba(124,58,237,.22),transparent 72%),
    linear-gradient(rgba(205,166,255,.04) 1px,transparent 1px) 0 0/30px 30px,linear-gradient(90deg,rgba(205,166,255,.04) 1px,transparent 1px) 0 0/30px 30px,#07030D}
.canvas svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.cv-top{position:absolute;left:16px;right:16px;top:14px;z-index:4;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.cv-title{font-family:var(--f-m);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.cv-title b{display:block;margin-top:4px;font-family:var(--f-d);font-weight:500;font-size:15px;letter-spacing:-.02em;text-transform:none;color:var(--ink)}
.counts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.counts span{padding:5px 9px;border-radius:999px;background:rgba(14,6,24,.85);border:1px solid rgba(205,166,255,.18);font-family:var(--f-m);font-size:10.5px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.counts b{font-weight:500;color:var(--ink)}
.core{position:absolute;z-index:3;width:104px;height:104px;margin:-52px 0 0 -52px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 35% 30%,rgba(205,166,255,.32),rgba(124,58,237,.24) 45%,rgba(14,6,24,.96) 75%);border:1px solid rgba(205,166,255,.5);
  box-shadow:0 0 70px -8px rgba(168,85,247,.9),inset 0 0 26px rgba(232,121,249,.2);transition:transform .4s cubic-bezier(.34,1.56,.64,1)}
.core .logo{font-size:17px}
.core.kick{transform:scale(1.1)}
.core::after{content:"";position:absolute;inset:-12px;border-radius:50%;border:1px solid rgba(205,166,255,.2);animation:cp 2.6s ease-out infinite}
@keyframes cp{0%{transform:scale(.9);opacity:.9}100%{transform:scale(1.4);opacity:0}}
.n{position:absolute;left:0;top:0;z-index:3;white-space:nowrap;transition:transform .7s cubic-bezier(.2,.85,.25,1),opacity .4s ease}
.n.enter{opacity:0}
.mod{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:12px;font-size:12.5px;color:var(--ink);background:rgba(14,6,24,.92);
  border:1px solid rgba(205,166,255,.3);box-shadow:0 8px 20px -12px rgba(0,0,0,.9)}
.mod::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--glow)}
.mod.fix{border-color:rgba(232,121,249,.45)}
.mod.fix::before{background:var(--pink);box-shadow:0 0 8px var(--pink)}
.agn{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-family:var(--f-d);font-weight:600;font-size:11px;letter-spacing:-.04em;color:#fff;
  background:linear-gradient(135deg,var(--violet),var(--purple));box-shadow:0 0 18px -3px rgba(168,85,247,.95)}
.agn span{position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);font-family:var(--f-m);font-weight:400;font-size:9.5px;letter-spacing:.06em;color:var(--glow);white-space:nowrap}
.tl{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:10px;font-size:12px;border:1px solid rgba(205,166,255,.18);background:rgba(14,6,24,.9);color:var(--muted)}
.tl small{font-family:var(--f-m);font-size:9px;letter-spacing:.1em;text-transform:uppercase}
.tl.conn{border-color:rgba(74,222,128,.4);color:var(--ink)}
.tl.conn small{color:#4ADE80}
.tl.repl{border-style:dashed;border-color:rgba(248,113,113,.35);color:var(--dim)}
.tl.repl b{font-weight:400;text-decoration:line-through;text-decoration-color:rgba(248,113,113,.8)}
.tl.repl small{color:#F87171}
.tl b{font-weight:400}
.empty{position:absolute;left:50%;top:calc(50% + 74px);transform:translateX(-50%);z-index:2;text-align:center;font-size:13.5px;color:var(--dim);transition:opacity .4s ease;width:80%}
.empty.off{opacity:0}
.tools-lbl{position:absolute;left:16px;z-index:3;font-family:var(--f-m);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.ln{fill:none;stroke-width:1.2;transition:opacity .4s ease}
.ln.m{stroke:rgba(205,166,255,.32)}
.ln.a{stroke:rgba(232,121,249,.5);stroke-dasharray:3 4}
.ln.c{stroke:rgba(74,222,128,.55);stroke-dasharray:4 5;animation:dash 1.2s linear infinite}
@keyframes dash{to{stroke-dashoffset:-18}}
.pk{fill:#fff;filter:drop-shadow(0 0 4px #E879F9)}

/* summary */
.sum{margin-top:14px;border:1px solid rgba(205,166,255,.3);border-radius:22px;padding:22px;background:radial-gradient(70% 120% at 100% 0%,rgba(168,85,247,.2),transparent 70%),#0B0514}
.sum h3{margin:0;font-family:var(--f-d);font-weight:500;font-size:18px;letter-spacing:-.02em}
.sum p{margin:8px 0 0;color:var(--muted);font-size:14.5px;line-height:1.6}
.sum p b{font-weight:500;color:var(--ink)}
.sum .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn-ghost.sm,.sum .btn{padding:9px 15px;font-size:13.5px}
button.btn-ghost{cursor:pointer;font-family:var(--f-b)}

/* =====================================================================
   BUILDER · from here to a running system (the file's 4-step process)
   ===================================================================== */
.route{padding:70px 24px 100px}
.route-svg{position:relative;height:120px;margin:10px 0 -60px}
.route-svg svg{width:100%;height:100%;overflow:visible}
.route-svg .base{fill:none;stroke:rgba(205,166,255,.14);stroke-width:2;stroke-dasharray:4 7;vector-effect:non-scaling-stroke}
.route-svg .draw{fill:none;stroke:url(#rg);stroke-width:3;stroke-linecap:round;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 6px rgba(232,121,249,.6))}
.r-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;position:relative}
.r-step{position:relative;padding:76px 20px 22px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,8,31,.75),rgba(9,4,16,.85));
  transition:border-color .5s ease}
.r-step .pt{position:absolute;left:20px;top:22px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-family:var(--f-d);font-weight:600;font-size:15px;
  color:var(--dim);background:#0C0516;border:1.5px solid rgba(205,166,255,.28);transition:all .5s ease}
.r-step.on{border-color:rgba(205,166,255,.35)}
.r-step.on .pt{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--violet),var(--pink));box-shadow:0 0 22px rgba(232,121,249,.6)}
.r-step .k{font-family:var(--f-m);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--pink)}
.r-step h3{margin:8px 0 8px;font-family:var(--f-d);font-weight:500;font-size:19px;letter-spacing:-.025em}
.r-step p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.55}

@media (max-width:1000px){
  .bld-grid{grid-template-columns:1fr}
  .cv-wrap{position:sticky;top:calc(var(--nav-h) + 6px);z-index:30;order:-1}
  .canvas{height:340px;min-height:0;border-radius:20px}
  .sum{display:none}
  .sum.mob{display:block}
  .route-svg{display:none}
  .r-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.sum.mob{display:none}
@media (max-width:1000px){.sum.mob{display:block}}
@media (max-width:600px){
  .b-hero{padding:calc(var(--nav-h) + 34px) 16px 26px}
  .bld,.route{padding-left:16px;padding-right:16px}
  .canvas{height:300px}
  .step{padding:18px 16px 20px}
  .opt{padding:8px 12px;font-size:13.5px}
  .r-steps{grid-template-columns:1fr}
  .core{width:76px;height:76px;margin:-38px 0 0 -38px}
  .core .logo{font-size:13.5px}
  .mod{font-size:10.5px;padding:5px 8px;gap:5px}
  .tl{font-size:10px;padding:4px 7px;gap:5px}
  .tl small{display:none}
  .agn{width:26px;height:26px;font-size:9px;border-radius:8px}
  .agn span{display:none}
  .counts span:nth-child(n+3){display:none}
}
@media (prefers-reduced-motion:reduce){
  .n,.core{transition:none}
  .core::after,.ln.c{animation:none}
}