/* Frontier Signal consumes the studio kit. Product token values live in kit.css. */
.fs{--fs-accent:var(--signal-indigo);--fs-accent-soft:var(--signal-indigo-soft)}
.fs .skip-link{top:-100px}.fs .skip-link:focus{top:12px}
@media(min-width:781px){.fs .nav-menu::details-content{content-visibility:visible}}
.fs h1,.fs h2,.fs h3{font-family:var(--font);text-wrap:balance}
.fs h1{font-size:clamp(38px,5.6vw,68px);line-height:1.03;letter-spacing:-.045em;max-width:17ch}
.fs h2{font-size:clamp(24px,3vw,35px);letter-spacing:-.025em}
.fs p{margin:0 0 16px}
.fs a:not(.btn):not(.brand):hover{text-decoration:underline;text-underline-offset:4px}
.fs main [id]{scroll-margin-top:130px}
.fs-product-nav{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:66px;border-bottom:1px solid var(--line);font-size:13px}
.fs-product-nav>a{font-weight:800;color:var(--ink);letter-spacing:-.025em}
.fs-product-nav div{display:flex;gap:24px}
.fs-product-nav div a{color:var(--ink-soft)}
.fs-masthead{padding:42px 0 0}
.fs-meta{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.fs-meta .eyebrow{margin:0}
.fs-date,.fs-badge,.fs-number,.fs-kpis dd,.fs-caption,.fs-current time,.fs-freshness{font-variant-numeric:tabular-nums}
.fs-date{font-family:var(--font-mono);font-size:12px;color:var(--muted);margin:12px 0 24px!important}
.fs-badge{display:inline-flex;border:1px solid var(--line);background:var(--surface-sunken);padding:5px 10px;border-radius:5px;color:var(--ink-soft);font:11px var(--font-mono)}
.fs-lede{font-size:clamp(17px,2vw,20px);color:var(--ink-soft);max-width:64ch;line-height:1.5}
.fs-freshness{font:11px/1.6 var(--font-mono);color:var(--muted)}
.fs-delta{display:grid;grid-template-columns:repeat(3,1fr);margin:24px 0 10px;border:1px solid var(--line);border-left:4px solid var(--fs-accent);border-radius:0 10px 10px 0;background:var(--surface-panel)}
.fs-delta>div{padding:17px 20px}
.fs-delta>div+div{border-left:1px solid var(--line)}
.fs-delta strong{font-size:17px;color:var(--fs-accent)}
.fs-delta p{font-size:13px;line-height:1.5;color:var(--ink-soft);margin:5px 0 0}
.fs-caption{font-size:11px;line-height:1.65;color:var(--muted);max-width:74ch}
.fs-ref{font-size:10px;font-family:var(--font-mono);vertical-align:super;font-weight:500}
.fs-kpis{display:grid;grid-template-columns:repeat(4,1fr);margin:24px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.fs-kpis>div{padding:18px 22px 20px 0;display:flex;flex-direction:column-reverse;gap:3px}
.fs-kpis>div+div{padding-left:22px;border-left:1px solid var(--line)}
.fs-kpis dt{font-size:11px;color:var(--muted)}
.fs-kpis dd{margin:0;font:600 32px/1.1 var(--font-mono);letter-spacing:-.06em}
.fs-jumps{position:sticky;top:62px;z-index:20;display:flex;gap:22px;align-items:center;padding:14px 0;background:var(--surface-page);border-bottom:1px solid var(--line);font-size:12px;overflow:auto;white-space:nowrap}
.fs-jumps a{color:var(--ink-soft)}
.fs-jumps .fs-next{margin-left:auto;color:var(--fs-accent);font-weight:700}
.fs-report-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.fs-block{padding:38px 0;border-bottom:1px solid var(--line)}
.fs-block .eyebrow{font-size:10px;margin-bottom:10px}
.fs-ranks{padding:0;margin:22px 0 15px;list-style:none;display:grid;gap:12px}
.fs-ranks li{display:grid;grid-template-columns:1fr auto;gap:5px 12px;font-size:13px}
.fs-ranks b{font:500 12px var(--font-mono)}
.fs-bar{grid-column:1/-1;display:block;height:5px;background:var(--surface-sunken);border-radius:2px;overflow:hidden}
.fs-bar i{display:block;height:100%;background:var(--fs-accent);border-radius:2px}
.fs-ranks li:nth-child(n+5) .fs-bar i{opacity:.6}
.fs-sort{font-size:11px;display:flex;align-items:center;gap:8px;margin:12px 0}
.fs select{border:1px solid var(--line);border-radius:5px;background:var(--surface-panel);color:var(--ink);padding:8px;font:inherit;max-width:100%}
.fs-table-wrap{overflow:auto;max-width:100%}
.fs-table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}
.fs-table caption{text-align:left;color:var(--muted);padding:12px 0}
.fs-table th,.fs-table td{padding:12px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.fs-table thead th{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.fs-table tbody th{font-weight:600}
.fs-table small{display:block;color:var(--muted);font-size:10px;font-weight:400;margin-top:3px}
.fs-number{font-family:var(--font-mono);white-space:nowrap}
.fs-details{margin-top:14px;font-size:12px}
.fs-details summary,.fs-sources summary{cursor:pointer;padding:12px 0;font-weight:600;color:var(--ink-soft)}
.fs-details[open] summary{margin-bottom:10px}
.fs-section-head{display:flex;justify-content:space-between;gap:24px;align-items:end}
.fs-section-head h2{max-width:24ch}
.fs-labs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.fs-labs article{padding:20px;background:var(--surface-panel);border:1px solid var(--line);border-radius:10px}
.fs-labs h3{font-size:14px}
.fs-lab-number{font:500 32px var(--font-mono);margin:0 0 8px!important;letter-spacing:-.04em}
.fs-lab-number span{font-size:13px;color:var(--muted);vertical-align:middle;margin-left:10px;letter-spacing:0}
.fs-labs .fs-caption{margin:0}
.fs-title-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fs-title-list h3{font-size:13px}.fs-title-list ul{padding-left:18px}
.fs-gap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:24px}
.fs-gap-grid h3{font-size:13px;margin:8px 0}
.fs-gap-grid p{font-size:12px;line-height:1.55;color:var(--ink-soft);margin:0}
.fs-gap-status{font:10px var(--font-mono);color:var(--warn);border-bottom:2px solid var(--line-strong);padding-bottom:4px}
.fs-takeaway{padding:38px 0;max-width:76ch}
.fs-takeaway>p:not(.eyebrow):not(.btn-row){font-size:14px;color:var(--ink-soft);max-width:66ch}
.fs-takeaway h2{font-size:clamp(26px,3.3vw,40px)}
.fs-takeaway .btn-row{margin-top:24px;font-size:13px;gap:20px}
.fs-sources{border-top:1px solid var(--line);font-size:12px}
.fs-sources ol{padding-left:22px;color:var(--muted)}
.fs-sources li{margin:0 0 12px}
.fs-read-next{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);padding:22px 0 34px;font-size:12px}
.fs-landing{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center;padding:62px 0 30px}
.fs-landing h1 span{color:var(--fs-accent)}
.fs-landing .btn-row{margin-top:30px;font-size:13px;gap:22px}
.fs-current{padding:26px;background:var(--surface-panel);border:1px solid var(--line);border-top:4px solid var(--fs-accent);border-radius:0 0 12px 12px}
.fs-current .eyebrow{font-size:10px}.fs-current time{font:10px var(--font-mono);color:var(--muted)}
.fs-current h2{font-size:30px;margin-top:28px;max-width:15ch}
.fs-current p{font-size:14px;color:var(--ink-soft)}
.fs-current a{font-size:12px;font-weight:600}
.fs-flow{display:grid;grid-template-columns:1.2fr auto 1fr auto 1fr;gap:18px;align-items:center;margin:24px 0 0}
.fs-flow-inputs{display:grid;gap:8px}
.fs-flow-inputs>div,.fs-flow-join,.fs-flow-output{border:1px solid var(--line);border-radius:8px;background:var(--surface-panel);padding:18px}
.fs-flow strong{display:block;font-size:13px}.fs-flow span:not(.fs-flow-arrow){display:block;font:10px/1.7 var(--font-mono);color:var(--muted);margin-top:6px}
.fs-flow-arrow{color:var(--fs-accent);font-size:24px}
.fs-flow-join{border-color:var(--fs-accent);background:var(--fs-accent-soft)}
.fs-flow-output{display:grid;gap:12px;background:transparent;border:0}
.fs-flow figcaption{grid-column:1/-1;color:var(--muted);font-size:11px}
.fs-investigation{padding:34px 0;display:grid;grid-template-columns:1fr 2fr;gap:50px;border-bottom:1px solid var(--line)}
.fs-investigation>.eyebrow{font-size:11px;padding-top:5px}
.fs-investigation h2{font-size:27px}
.fs-investigation p:not(.eyebrow){font-size:14px;line-height:1.7;color:var(--ink-soft);max-width:66ch}
.fs-investigation a{font-size:12px;font-weight:600}
.fs-archive{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--line)}
.fs-archive li{border-bottom:1px solid var(--line)}
.fs-archive a{display:grid;grid-template-columns:180px 1fr auto;gap:30px;padding:25px 0;color:var(--ink)}
.fs-archive time{font:12px var(--font-mono);padding-top:3px}.fs-archive span{font-size:14px;color:var(--ink-soft)}
.fs-compare-controls{display:flex;gap:24px;margin:22px 0;font-size:12px}.fs-compare-controls label{display:grid;gap:8px}
.fs-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:780px){
  .fs-product-nav div{gap:16px}.fs-product-nav{font-size:12px}
  .fs-landing{grid-template-columns:1fr;gap:28px;padding:34px 0 24px}
  .fs-landing h1{max-width:19ch}.fs-current{padding:20px}.fs-current h2{margin-top:16px;max-width:22ch}
  .fs-report-grid{grid-template-columns:1fr;gap:0}.fs-section-head{display:block}
  .fs-title-list{grid-template-columns:1fr}.fs-gap-grid{grid-template-columns:1fr 1fr}
  .fs-investigation{grid-template-columns:1fr;gap:6px}
  .fs-flow{grid-template-columns:1fr;gap:8px}.fs-flow-arrow{text-align:center;transform:rotate(90deg)}
  .fs-flow-output{grid-template-columns:repeat(3,1fr);gap:10px;padding:12px 0}.fs-flow-output strong{font-size:12px;text-align:center}
  .fs-flow-inputs{grid-template-columns:1fr 1fr}.fs-flow-inputs>div{padding:14px}
  .fs-flow-join{text-align:center;padding:16px}
}
@media(max-width:540px){
  .fs .wrap{padding-left:20px;padding-right:20px}.fs-product-nav{margin:0 20px;padding:0!important;min-height:52px}
  .fs h1{font-size:39px}.fs-masthead{padding-top:26px}
  .fs-masthead .eyebrow{font-size:10px;letter-spacing:.08em}.fs-badge{font-size:9px}
  .fs-date{font-size:10px;margin:12px 0 18px!important}.fs-lede{font-size:16px}
  .fs-delta{margin-top:20px;grid-template-columns:1fr}.fs-delta>div{padding:11px 14px;display:grid;grid-template-columns:106px 1fr;gap:12px}
  .fs-delta>div+div{border-left:0;border-top:1px solid var(--line)}.fs-delta strong{font-size:12px}.fs-delta p{font-size:11px;margin:0}
  .fs-kpis{margin-top:18px;grid-template-columns:repeat(2,1fr)}.fs-kpis>div{padding:14px 10px 14px 0}.fs-kpis>div+div{padding-left:16px}
  .fs-kpis>div:nth-child(3){padding-left:0;border-left:0}.fs-kpis>div:nth-child(n+3){border-top:1px solid var(--line)}
  .fs-kpis dd{font-size:27px}.fs-kpis dt{font-size:10px}
  .fs-jumps{gap:20px;font-size:11px;margin:0 -20px;padding:13px 20px}.fs-block{padding:28px 0}
  .fs-labs{grid-template-columns:1fr;gap:8px}.fs-labs article{display:grid;grid-template-columns:1fr auto;gap:0;padding:14px}.fs-labs h3{margin:3px 0 8px}
  .fs-lab-number{font-size:24px!important}.fs-labs .fs-caption{grid-column:1/-1;font-size:10px}.fs-lab-number span{font-size:12px;margin-left:4px}
  .fs-archive a{grid-template-columns:1fr auto;gap:10px}.fs-archive span{grid-row:2;grid-column:1}.fs-archive b{grid-column:2;grid-row:1/3}
  .fs .foot{padding-top:28px;padding-bottom:28px}
}
@media print{.fs .nav,.fs-product-nav,.fs-jumps,.fs-read-next,.fs .foot,.fs-sort{display:none}.fs details>*{display:block!important}.fs details{break-inside:avoid}.fs-block{break-inside:avoid}.fs .wrap{max-width:none}.fs-masthead{padding-top:0}}