/* SIGNAL Profile, case-file layout (direction B)
   Everything is scoped under .sp-app and styled with two-class selectors so
   theme and Elementor button, heading and link styles cannot override it. */

.sp-app{
  --sp-ground:#EFE9DA; --sp-ink:#1A1814; --sp-struct:#6B6459; --sp-faint:#958E82;
  --sp-green:#0F3B2F; --sp-sage:#3E6B52; --sp-card:#F6F2E8; --sp-alt:#EFEFE8;
  --sp-line:rgba(15,59,47,.17); --sp-line2:rgba(15,59,47,.34); --sp-lift:rgba(15,59,47,.42);
  --sp-serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sp-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --sp-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-family:var(--sp-sans); font-size:16px; line-height:1.5; color:var(--sp-ink);
  background:var(--sp-ground); max-width:1180px; margin:0 auto; padding:0 20px;
  -webkit-font-smoothing:antialiased; position:relative;
}
.sp-app *,.sp-app *::before,.sp-app *::after{box-sizing:border-box;}
.sp-app h1,.sp-app h2,.sp-app h3,.sp-app p,.sp-app ul,.sp-app li{margin:0;padding:0;text-transform:none;letter-spacing:normal;color:inherit;}
.sp-app button,.sp-app input{font:inherit;color:inherit;letter-spacing:normal;text-transform:none;text-shadow:none;margin:0;}
.sp-app a{color:inherit;text-decoration:none;box-shadow:none;}
.sp-app :focus-visible{outline:2px solid var(--sp-green);outline-offset:3px;}
.sp-app .sp-stem:focus{outline:none;}
.sp-app .sp-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------------------------------------------------------------- buttons */
.sp-app .sp-btn{display:inline-block;background:var(--sp-green);color:#EFE9DA;border:0;border-radius:3px;
  padding:14px 28px;font:500 15px/1.2 var(--sp-sans);cursor:pointer;box-shadow:none;transition:opacity .15s,transform .15s;}
.sp-app .sp-btn:hover{background:var(--sp-green);color:#EFE9DA;opacity:.9;transform:translateY(-1px);}
.sp-app .sp-btn[disabled]{opacity:.45;cursor:wait;transform:none;}
.sp-app .sp-btn-ghost{background:transparent;color:var(--sp-green);border:1px solid var(--sp-line2);}
.sp-app .sp-btn-ghost:hover{background:transparent;color:var(--sp-green);border-color:var(--sp-green);}
.sp-app .sp-hint{font-size:13px;color:var(--sp-faint);margin-top:16px;}

/* ---------------------------------------------------------------- intro */
.sp-app .sp-intro{padding:56px 0 52px;}
.sp-app .sp-intro-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;}
.sp-app .sp-kicker{font-size:13.5px;font-weight:600;color:var(--sp-sage);margin-bottom:16px;}
.sp-app .sp-h1{font:400 46px/1.1 var(--sp-serif);letter-spacing:-.012em;}
.sp-app .sp-lede{font-size:16.5px;line-height:1.7;color:var(--sp-struct);margin:22px 0 20px;max-width:560px;}
.sp-app .sp-points{list-style:none;margin:0 0 30px;}
.sp-app .sp-points li{position:relative;padding-left:20px;font-size:15px;line-height:1.6;margin-bottom:8px;list-style:none;}
.sp-app .sp-points li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:2px;background:var(--sp-green);}
.sp-app .sp-sample{transform:rotate(1.2deg);opacity:.95;}
.sp-app .sp-sample .sp-case{box-shadow:0 22px 40px -28px var(--sp-lift);}
.sp-app .sp-skel{display:grid;gap:10px;margin-top:18px;}
.sp-app .sp-skel span{display:flex;align-items:center;gap:12px;border:1px solid var(--sp-line);border-radius:6px;padding:12px;background:var(--sp-ground);}
.sp-app .sp-skel b{width:28px;height:28px;border-radius:50%;border:1px solid var(--sp-line2);display:grid;place-items:center;font:500 13px var(--sp-serif);color:var(--sp-green);flex-shrink:0;}
.sp-app .sp-skel i{display:block;height:7px;border-radius:4px;background:var(--sp-line);flex:1;}
.sp-app .sp-resume{border:1px solid var(--sp-line2);border-left:3px solid var(--sp-green);background:var(--sp-card);border-radius:6px;padding:18px 20px;margin:0 0 26px;max-width:560px;}
.sp-app .sp-resume p{font-size:14.5px;line-height:1.6;margin-bottom:14px;}
.sp-app .sp-row-btns{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}

/* ---------------------------------------------------------------- the run */
.sp-app .sp-run{display:grid;grid-template-columns:62px minmax(0,1fr);min-height:620px;margin:28px 0;
  border:1px solid var(--sp-line2);border-radius:8px;overflow:hidden;background:var(--sp-ground);}
.sp-app .sp-spine{border-right:1px solid var(--sp-line);padding:36px 0;display:flex;flex-direction:column;align-items:center;gap:20px;background:var(--sp-card);}
.sp-app .sp-grp{display:flex;flex-direction:column;align-items:center;gap:5px;}
.sp-app .sp-glab{font:600 11px var(--sp-serif);color:var(--sp-faint);margin-bottom:5px;}
.sp-app .sp-grp.cur .sp-glab{color:var(--sp-green);}
.sp-app .sp-grp i{display:block;width:12px;height:2px;border-radius:2px;background:var(--sp-line2);transition:all .45s cubic-bezier(.22,1,.36,1);}
.sp-app .sp-grp i.on{background:var(--sp-ink);width:16px;}
.sp-app .sp-grp i.now{background:var(--sp-green);width:28px;height:3px;}
.sp-app .sp-main{padding:34px 40px 44px;display:flex;flex-direction:column;min-width:0;}
.sp-app .sp-top{display:flex;gap:18px;align-items:baseline;flex-wrap:wrap;margin-bottom:28px;}
.sp-app .sp-count{font:500 13px var(--sp-mono);letter-spacing:.04em;}
.sp-app .sp-count b{font-weight:400;opacity:.4;}
.sp-app .sp-part{font-size:13px;color:var(--sp-sage);font-weight:600;}
.sp-app .sp-left{font-size:12.5px;color:var(--sp-faint);margin-left:auto;}
.sp-app .sp-card{flex:1;display:flex;flex-direction:column;justify-content:center;}

.sp-app .sp-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:34px;align-items:center;width:100%;}
.sp-app .sp-grid.sp-one{grid-template-columns:minmax(0,600px);}
.sp-app .sp-case{background:var(--sp-card);border:1px solid var(--sp-line);border-radius:6px;padding:30px 30px 26px;position:relative;}
.sp-app .sp-case::before{content:"";position:absolute;left:-1px;top:26px;bottom:26px;width:3px;background:var(--sp-green);border-radius:0 2px 2px 0;}
.sp-app .sp-ctx{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--sp-green);
  background:rgba(15,59,47,.09);padding:6px 12px 6px 10px;border-radius:999px;margin-bottom:18px;}
.sp-app .sp-dot{width:6px;height:6px;border-radius:50%;background:var(--sp-green);flex-shrink:0;}
.sp-app .sp-stem{font:400 25px/1.38 var(--sp-serif);text-wrap:pretty;}
.sp-app .sp-ask{font-size:13.5px;color:var(--sp-struct);margin-top:18px;padding-top:14px;border-top:1px solid var(--sp-line);line-height:1.55;}
.sp-app .sp-pausep{font-size:16px;line-height:1.7;color:var(--sp-struct);margin:14px 0 22px;max-width:540px;}

.sp-app .sp-opts{display:flex;flex-direction:column;gap:12px;}
.sp-app .sp-opt{display:grid;grid-template-columns:42px minmax(0,1fr) 22px;gap:14px;align-items:center;text-align:left;width:100%;
  background:var(--sp-ground);color:var(--sp-ink);border:1px solid var(--sp-line2);border-radius:6px;padding:16px 16px 16px 14px;
  font:400 15.5px/1.5 var(--sp-sans);cursor:pointer;box-shadow:none;
  transition:border-color .18s,transform .18s,box-shadow .18s,opacity .25s;}
.sp-app .sp-let{width:42px;height:42px;border-radius:50%;border:1px solid var(--sp-line2);display:grid;place-items:center;
  font:500 19px var(--sp-serif);color:var(--sp-green);transition:background .18s,color .18s,border-color .18s;}
.sp-app .sp-check{width:22px;height:22px;border-radius:50%;border:1px solid var(--sp-line2);position:relative;transition:background .18s,border-color .18s;}
@media (hover:hover){
  .sp-app .sp-opt:hover{background:var(--sp-ground);color:var(--sp-ink);border-color:var(--sp-green);transform:translateY(-2px);box-shadow:0 10px 24px -16px var(--sp-lift);}
  .sp-app .sp-opt:hover .sp-let{background:var(--sp-green);color:#EFE9DA;border-color:var(--sp-green);}
}
.sp-app .sp-opt:hover{background:var(--sp-ground);color:var(--sp-ink);}
.sp-app .sp-opt.picked .sp-let{background:var(--sp-green);color:#EFE9DA;border-color:var(--sp-green);}
.sp-app .sp-opt.picked{border-color:var(--sp-green);box-shadow:inset 0 0 0 1px var(--sp-green);transform:none;}
.sp-app .sp-opt.picked .sp-check{background:var(--sp-green);border-color:var(--sp-green);}
.sp-app .sp-opt.picked .sp-check::after{content:"";position:absolute;left:7px;top:3.5px;width:5px;height:10px;border:solid #EFE9DA;border-width:0 2px 2px 0;transform:rotate(45deg);}
.sp-app .sp-opt.dim{opacity:.3;}

/* form */
.sp-app .sp-lab{display:block;font-size:13px;font-weight:600;margin:14px 0 6px;}
.sp-app .sp-inp{display:block;width:100%;padding:13px 15px;border:1px solid var(--sp-line2);border-radius:4px;background:#fff;
  font:400 15.5px var(--sp-sans);color:var(--sp-ink);box-shadow:none;height:auto;}
.sp-app .sp-inp:focus{border-color:var(--sp-green);outline:none;box-shadow:0 0 0 3px rgba(15,59,47,.12);}
.sp-app .sp-consent{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--sp-struct);line-height:1.6;margin:16px 0 20px;cursor:pointer;}
.sp-app .sp-consent input{margin-top:4px;accent-color:var(--sp-green);width:16px;height:16px;flex-shrink:0;}
.sp-app .sp-err{background:#F7E9E7;border:1px solid #C8322A;color:#8A2A22;padding:12px 14px;border-radius:4px;font-size:14px;margin:0 0 16px;}
.sp-app .sp-err[hidden]{display:none;}

/* motion: only the card moves, the spine and counter stay put */
.sp-app .sp-card.enter .sp-case{animation:spCase .5s cubic-bezier(.22,1,.36,1) both;}
.sp-app .sp-card.enter .sp-opt{animation:spOpt .45s cubic-bezier(.22,1,.36,1) both;}
.sp-app .sp-card.enter .sp-opt:nth-child(1){animation-delay:.12s;}
.sp-app .sp-card.enter .sp-opt:nth-child(2){animation-delay:.19s;}
.sp-app .sp-card.enter .sp-opt:nth-child(3){animation-delay:.26s;}
.sp-app .sp-card.leave{animation:spOut .2s ease both;}
@keyframes spCase{from{opacity:0;transform:translateY(16px) rotate(-.5deg);}to{opacity:1;transform:none;}}
@keyframes spOpt{from{opacity:0;transform:translateX(18px);}to{opacity:1;transform:none;}}
@keyframes spOut{to{opacity:0;transform:translateY(-10px);}}
.sp-app .sp-loading{padding:120px 0;text-align:center;color:var(--sp-struct);font:400 20px var(--sp-serif);}
.sp-app .sp-pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--sp-sage);animation:spPulse 1.9s ease-in-out infinite;margin-bottom:18px;}
@keyframes spPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.75);}}

/* ---------------------------------------------------------------- results */
.sp-app .sp-res-head{padding:52px 0 8px;max-width:760px;}
.sp-app .sp-res-head .sp-h1{font-size:42px;line-height:1.14;}
.sp-app .sp-res-intro{font-size:15px;color:var(--sp-struct);margin-top:16px;line-height:1.7;max-width:660px;}
.sp-app .sp-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:8px 0 40px;}
.sp-app .sp-sum{background:var(--sp-card);border:1px solid var(--sp-line);border-radius:6px;padding:16px 18px;}
.sp-app .sp-sum .k{display:block;font-size:12.5px;color:var(--sp-struct);margin-bottom:6px;}
.sp-app .sp-sum .v{font:500 21px/1.25 var(--sp-serif);color:var(--sp-ink);}
.sp-app .sp-sum a.v{color:var(--sp-green);border-bottom:1px solid var(--sp-line2);}
.sp-app .sp-alt{background:var(--sp-alt);margin:0 -20px;padding:44px 20px;}
.sp-app .sp-h2{font:400 25px/1.4 var(--sp-serif);margin-bottom:8px;}
.sp-app .sp-note{font-size:13.5px;color:var(--sp-struct);margin-bottom:12px;max-width:660px;line-height:1.7;}
.sp-app .sp-lrow{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--sp-line);}
.sp-app .sp-lname{width:150px;flex-shrink:0;}
.sp-app .sp-lname strong{display:block;font:600 19px var(--sp-serif);}
.sp-app .sp-chip{display:inline-block;margin-top:7px;font:500 10px var(--sp-mono);letter-spacing:.06em;padding:4px 9px;border-radius:2px;}
.sp-app .sp-dev{background:var(--sp-green);color:#EFE9DA;}
.sp-app .sp-emg{color:var(--sp-green);border:1px solid rgba(15,59,47,.4);}
.sp-app .sp-ldef{font-size:13px;color:var(--sp-struct);font-style:italic;margin-bottom:7px;}
.sp-app .sp-ltxt{font-size:14.5px;line-height:1.7;}
.sp-app .sp-link{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--sp-green);border-bottom:1px solid var(--sp-green);}
.sp-app .sp-inverse{background:var(--sp-ink);color:#EFE9DA;margin:0 -20px;padding:72px 20px;}
.sp-app .sp-inverse .sp-kicker{color:#8DBEA2;}
.sp-app .sp-inverse .sp-h2{font-size:36px;line-height:1.22;margin-bottom:18px;}
.sp-app .sp-inverse p{max-width:700px;font-size:14.5px;line-height:1.75;opacity:.88;margin-bottom:14px;}
.sp-app .sp-watch{margin-top:26px;border:1px solid rgba(239,233,218,.25);border-radius:4px;padding:20px 22px;max-width:540px;}
.sp-app .sp-watch .t{font-size:12.5px;font-weight:600;color:#8DBEA2;margin-bottom:8px;}
.sp-app .sp-watch a{font-size:13.5px;color:#EFE9DA;border-bottom:1px solid rgba(239,233,218,.5);}
.sp-app .sp-inv-btns{margin-top:30px;display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.sp-app .sp-btn-light{background:#EFE9DA;color:var(--sp-ink);}
.sp-app .sp-btn-light:hover{background:#EFE9DA;color:var(--sp-ink);}
.sp-app .sp-btn-line{background:transparent;color:#EFE9DA;border:1px solid #6B6459;}
.sp-app .sp-btn-line:hover{background:transparent;color:#EFE9DA;border-color:#EFE9DA;}
.sp-app .sp-about{padding:36px 0 52px;max-width:680px;}
.sp-app .sp-about p{font-size:13.5px;color:var(--sp-struct);line-height:1.75;margin-bottom:12px;}
.sp-app .sp-fade-in{animation:spCase .55s cubic-bezier(.22,1,.36,1) both;}

/* ---------------------------------------------------------------- narrow screens */
@media (max-width:760px){
  .sp-app{padding:0 12px;}
  .sp-app .sp-intro{padding:34px 0 36px;}
  .sp-app .sp-intro-grid{grid-template-columns:1fr;gap:0;}
  .sp-app .sp-sample{display:none;}
  .sp-app .sp-h1{font-size:34px;}
  .sp-app .sp-run{grid-template-columns:1fr;grid-template-rows:auto 1fr;margin:16px 0;min-height:0;}
  .sp-app .sp-spine{flex-direction:row;justify-content:center;padding:14px 10px;border-right:0;border-bottom:1px solid var(--sp-line);gap:12px;}
  .sp-app .sp-grp{flex-direction:row;align-items:flex-end;gap:3px;}
  .sp-app .sp-glab{margin:0 5px 0 0;}
  .sp-app .sp-grp i{width:2px;height:9px;}
  .sp-app .sp-grp i.on{width:2px;height:13px;}
  .sp-app .sp-grp i.now{width:3px;height:21px;}
  .sp-app .sp-main{padding:20px 14px 30px;}
  .sp-app .sp-top{margin-bottom:16px;}
  .sp-app .sp-left{display:none;}
  .sp-app .sp-grid{grid-template-columns:1fr;gap:16px;}
  .sp-app .sp-case{padding:22px 20px 20px;}
  .sp-app .sp-stem{font-size:21px;}
  .sp-app .sp-opt{grid-template-columns:36px minmax(0,1fr) 20px;font-size:15px;padding:14px 12px;}
  .sp-app .sp-let{width:36px;height:36px;font-size:17px;}
  .sp-app .sp-hint{display:none;}
  .sp-app .sp-summary{grid-template-columns:1fr;}
  .sp-app .sp-res-head .sp-h1{font-size:31px;}
  .sp-app .sp-lrow{flex-direction:column;gap:8px;}
  .sp-app .sp-alt,.sp-app .sp-inverse{margin:0 -12px;padding-left:16px;padding-right:16px;}
  .sp-app .sp-inverse .sp-h2{font-size:30px;}
}
@media (prefers-reduced-motion: reduce){
  .sp-app *,.sp-app *::before,.sp-app *::after{animation:none !important;transition:none !important;}
}