/* Calculadora de KPIs — usa os tokens de /css/style.css */
.bhero{padding:112px 0 56px;background:radial-gradient(900px 400px at 85% 10%,rgba(130,66,250,.28),transparent 60%),var(--ink);color:#fff}
.bhero{text-align:center}
.bhero h1{font-size:clamp(2rem,6.5vw,3.6rem);font-weight:800;margin-inline:auto}
.bhero h1 em{font-style:normal;color:var(--accent-l)}
.bhero .lead{font-size:1.15rem;color:#C5CBD6;max-width:60ch;margin:18px auto 0;text-wrap:balance}
.crumb{display:flex;flex-wrap:wrap;justify-content:center;font-size:.88rem;color:#98A0AE;margin-bottom:18px}
.crumb a{text-decoration:none}.crumb a:hover{color:var(--accent-l)}
.crumb>*+*::before{content:"/";margin:0 8px;opacity:.5}
.pmeta-line{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px;font-size:.92rem;color:#B9C0CC}
.pmeta-line span{border:1px solid rgba(255,255,255,.7);border-radius:999px;padding:7px 16px;line-height:1.3}
.pmeta-line strong{color:#fff;font-weight:600}

/* Filtro */
.tool{padding:56px 0 72px}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.filters button{font:600 .95rem var(--body);padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;min-height:44px;transition:border-color .15s,background .15s}
.filters button:hover{border-color:var(--accent)}
.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
#fdesc{margin:0 0 4px;color:var(--ink);font-weight:500}
#fcount{color:var(--muted);font-size:.9rem}

/* Sanfona de indicadores */
.fbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 16px}
#fcount{margin:0}
.linkbtn{background:none;border:0;padding:8px 4px;min-height:44px;font:700 .95rem var(--body);color:var(--accent-d);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.kgrid{display:grid;gap:12px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);scroll-margin-top:84px;min-width:0;transition:border-color .15s}
.kpi[hidden]{display:none}
.kpi:hover,.kpi[open]{border-color:var(--accent)}
.kpi>summary{display:flex;align-items:center;gap:14px;padding:14px 20px;min-height:72px;cursor:pointer;list-style:none}
.kpi>summary::-webkit-details-marker{display:none}
.kpi>summary::after{content:"+";margin-left:auto;flex:none;font:800 1.6rem/1 var(--mono);color:var(--accent)}
.kpi[open]>summary::after{content:"−"}
.kpi[open]>summary{border-bottom:1px solid var(--line)}
.kabbr{flex:none;min-width:56px;height:46px;padding:0 10px;border-radius:12px;background:var(--ink);color:var(--accent-l);display:grid;place-items:center;font:800 .95rem var(--mono)}
.kpi h3{font-size:1.15rem;font-weight:800;line-height:1.2;margin:0}
.kpi h3 small{display:block;font-weight:500;font-size:.88rem;color:var(--muted);letter-spacing:0;margin-top:3px;line-height:1.35}
.kbody{display:grid;gap:22px;padding:20px;grid-template-areas:"intro" "calc" "read"}
.kintro{grid-area:intro;display:grid;gap:14px;align-content:start;min-width:0}
.kbody .calc{grid-area:calc;align-self:start;align-content:start}
.kread{grid-area:read}
.ktags{display:flex;flex-wrap:wrap;gap:6px}
.ktags li{font-size:.74rem;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--paper);color:var(--support);border:1px solid var(--line)}
.ktags li.en{background:transparent;color:var(--muted);font-weight:500}
.kwhat{margin:0}
.kformula{margin:0;background:var(--paper);border:1px dashed var(--line);border-radius:10px;padding:10px 14px;font:600 .92rem/1.45 var(--mono);color:var(--support)}
.kread{display:grid;gap:10px}
.kread h4{margin:4px 0 0;font:700 .8rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.kread p{margin:0;color:var(--muted);font-size:.97rem}
.kread p strong{color:var(--ink)}
.kread a{color:var(--accent-d)}
.kread .exemplo{background:var(--paper);border-radius:10px;padding:10px 14px;color:var(--ink)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Formulário */
.calc{display:grid;gap:12px}
.row2{display:grid;gap:12px}
.fld{display:grid;gap:6px;min-width:0}
.fld[hidden]{display:none}
.fld label{font-weight:600;font-size:.92rem;line-height:1.3}
.hint{font-size:.8rem;color:var(--muted);line-height:1.35}
.inp{position:relative;display:flex;align-items:center}
.inp input,.inp select{width:100%;min-height:48px;padding:10px 14px;font:500 1rem var(--body);border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);appearance:none;-webkit-appearance:none}
.inp select{background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px;background-repeat:no-repeat;padding-right:36px}
.inp input:hover,.inp select:hover{border-color:#bdb9ae}
.inp input:focus,.inp select:focus{border-color:var(--accent)}
.inp input[aria-invalid=true]{border-color:#d64545}
.pre,.suf{position:absolute;color:var(--muted);font-weight:600;pointer-events:none}
.pre{left:14px}.suf{right:14px}
.inp.has-pre input{padding-left:42px}
.inp.has-suf input{padding-right:38px}

/* Resultado */
.out{background:var(--ink);color:#fff;border-radius:14px;padding:18px 20px;border-left:6px solid var(--accent);min-height:104px;display:block}
.out .lbl{display:block;font:600 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d)}
.out .val{display:block;font:800 clamp(2rem,7vw,2.6rem)/1.1 var(--mono);letter-spacing:-.04em;color:var(--accent-l);margin:6px 0 8px;overflow-wrap:anywhere}
.out .lines li{font-size:.92rem;color:#C5CBD6;margin-top:4px;line-height:1.45}
.out.good{border-left-color:#3DDC84}.out.warn{border-left-color:#F5B544}.out.bad{border-left-color:#FF6B6B}
.out.empty .val{color:#7d8696;font:500 1.1rem/1.3 var(--body);letter-spacing:0;margin-top:14px}
.out.err .val{color:#FFB4B4;font:700 1.15rem/1.3 var(--body);letter-spacing:0}
.out.err{border-left-color:#FF6B6B}
.acts{display:flex;flex-wrap:wrap;gap:10px}
.acts .btn{min-height:44px;padding:8px 18px;font-size:.9rem}

/* Como usar + FAQ */
.alt{background:#fff;border-block:1px solid var(--line)}
.how{padding:56px 0}
.how .sec-title{font-size:clamp(1.5rem,3.5vw,2.1rem)}
.how .steps{margin-top:24px}
.steps.three{grid-template-columns:1fr}
.faq{display:grid;gap:10px;align-items:start}
.fcol{display:grid;gap:10px;align-content:start}
@media (min-width:760px){.faq{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:700;min-height:56px;display:flex;align-items:center;gap:12px;list-style:none;padding:8px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;font:800 1.3rem/1 var(--mono);color:var(--accent);flex:none}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 16px;color:var(--muted)}
noscript .ns{background:#fff7e0;border:1px solid #f0d58a;border-radius:12px;padding:14px 18px;margin-bottom:20px}

@media (min-width:520px){.row2{grid-template-columns:1fr 1fr}}
@media (min-width:900px){
  .bhero h1{font-size:clamp(2.4rem,4.6vw,3.6rem);white-space:nowrap}
  .bhero .lead{max-width:960px;text-wrap:balance}
  .kbody{grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr;grid-template-areas:"intro calc" "read calc";gap:20px 32px;padding:24px}
  .steps.three{grid-template-columns:repeat(3,1fr)}
  .steps.three li{flex-direction:column;border-left:0;border-top:3px solid var(--accent);border-radius:0 0 12px 12px}
  .tool{padding:72px 0 104px}
  .kgrid{grid-template-columns:1fr 1fr;align-items:start}
  .kpi[open]{grid-column:1/-1}
}
@media (prefers-reduced-motion:reduce){.filters button{transition:none}}