/* =============================================================
   Filacoste — hoja de estilo unica
   1 Tokens · 2 Fuentes · 3 Reset · 4 Cabecera · 5 Portada
   6 Herramienta · 7 Ticket · 8 Barra de precio · 9 Anuncios
   10 Contenido · 11 Pie · 12 Avisos · 13 Impresion
   14 Responsive · 15 Movimiento reducido
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root{
  --bg:#F7F6F3;  --surface:#FFFFFF;  --surface-2:#F0EDE8;
  --ink:#16181D; --ink-soft:#5A5F6B; --line:#E3DFD8;
  --accent:#FF5A1F;
  --accent-soft:#FFEDE4; --accent-ink:#16181D;
  --accent-strong:#B23C0C;
  --focus:#EF4D14;
  --money:#0E8C6A;
  --money-ink:#076B4F;
  --warn:#B45309;
  --c-material:#FF5A1F; --c-luz:#F2B01E; --c-maquina:#6B7280;
  --c-fallos:#C2410C;  --c-trabajo:#0E8C6A;

  --sans:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --display:"Space Grotesk","Inter","Segoe UI",system-ui,sans-serif;

  --r:14px; --r-sm:10px;
  --shadow:0 1px 2px rgba(22,24,29,.04), 0 6px 18px rgba(22,24,29,.05);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --wrap:1120px;
  --pricebar-h:88px;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#101216;  --surface:#171A20; --surface-2:#1F232B;
    --ink:#ECEEF2; --ink-soft:#98A0AE; --line:#2A2F38;
    --accent:#FF6A33; --accent-soft:#2A1A12; --accent-ink:#16181D;
    --accent-strong:#FF9265;
    --focus:#FF6A33;
    --money:#2ED3A3; --money-ink:#2ED3A3;
    --warn:#F0A868;
    --c-luz:#F2B01E; --c-maquina:#8A93A1; --c-fallos:#E2622B; --c-trabajo:#2ED3A3;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.28);
  }
}

/* =============================================================
   2. Fuentes (descargadas dentro del proyecto)
   ============================================================= */
@font-face{font-family:"Inter";src:url("fonts/inter-400.woff2?v=20260826b") format("woff2");font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:"Inter";src:url("fonts/inter-600.woff2?v=20260826b") format("woff2");font-weight:600;font-style:normal;font-display:swap;}
@font-face{font-family:"Inter";src:url("fonts/inter-700.woff2?v=20260826b") format("woff2");font-weight:700;font-style:normal;font-display:swap;}
@font-face{font-family:"Space Grotesk";src:url("fonts/space-grotesk-700.woff2?v=20260826b") format("woff2");font-weight:700;font-style:normal;font-display:swap;}

/* =============================================================
   3. Reset y base
   ============================================================= */
*,*::before,*::after{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);font-size:16px;line-height:1.6;
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;overflow-x:clip;
}
img,svg{display:block;max-width:100%}
img{height:auto}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:inherit}
p{text-wrap:pretty}
h1,h2,h3,h4{text-wrap:balance;line-height:1.15;letter-spacing:-.02em;font-family:var(--display);font-weight:700}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}

.wrap{width:min(100% - 32px,var(--wrap));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-100px;left:12px;z-index:99;background:var(--surface);color:var(--ink);
  padding:.6rem 1rem;border-radius:8px;border:1px solid var(--line);font-weight:600}
.skip-link:focus{top:12px}

/* =============================================================
   4. Cabecera
   ============================================================= */
.site-head{
  border-bottom:1px solid var(--line);background:var(--surface);
  position:relative;z-index:5;
}
.site-head .wrap{display:flex;align-items:center;gap:14px;min-height:56px;padding-block:8px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;
  font-size:1.12rem;letter-spacing:-.03em;text-decoration:none}
.brand svg{width:26px;height:26px;flex:none}
.brand{flex:none}
/* una sola fila siempre: en movil se desliza en horizontal en vez de partirse */
.head-nav{margin-left:auto;display:flex;gap:6px;align-items:center;flex-wrap:nowrap;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;max-width:100%}
.head-nav::-webkit-scrollbar{display:none}
.head-nav a{
  font-size:.86rem;font-weight:600;color:var(--ink-soft);text-decoration:none;white-space:nowrap;
  padding:7px 10px;border-radius:8px;transition:background .14s var(--ease-out),color .14s var(--ease-out);
}
.head-nav a:hover{background:var(--surface-2);color:var(--ink)}
.head-nav a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}

/* selector de idioma: enlaces de verdad, funciona sin JavaScript */
.lang-nav{display:flex;gap:2px;flex:none;align-items:center;
  border:1px solid var(--line);border-radius:9px;padding:2px;background:var(--bg)}
.lang-nav a{display:flex;align-items:center;justify-content:center;min-width:34px;min-height:34px;
  padding:0 6px;border-radius:7px;font-size:.76rem;font-weight:700;letter-spacing:.03em;
  color:var(--ink-soft);text-decoration:none;
  transition:background .14s var(--ease-out),color .14s var(--ease-out)}
.lang-nav a:hover{background:var(--surface-2);color:var(--ink)}
.lang-nav a[aria-current="true"]{background:var(--accent);color:var(--accent-ink)}

/* =============================================================
   5. Portada de cada pagina
   ============================================================= */
.intro{padding:16px 0 10px}
h1{font-size:clamp(1.5rem,1.15rem + 1.7vw,2.35rem)}
.intro p.lead{color:var(--ink-soft);margin-top:6px;font-size:.98rem;max-width:62ch}
.crumbs{font-size:.78rem;color:var(--ink-soft);padding-top:12px}
.crumbs a{text-decoration:none;color:var(--ink-soft)}
.crumbs a:hover{text-decoration:underline}

/* =============================================================
   6. La herramienta
   ============================================================= */
.tool{display:grid;gap:16px;align-items:start;margin-bottom:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.tool-form{padding:4px 14px 12px}
.nojs{display:none;padding:16px;color:var(--warn);font-weight:600}
html.no-js .nojs{display:block}
html.no-js .tool-form,html.no-js .ticket{display:none}

.grp{border-bottom:1px solid var(--line)}
.grp:last-of-type{border-bottom:0}
.grp>summary{
  display:flex;align-items:center;gap:9px;cursor:pointer;list-style:none;
  padding:12px 4px;font-family:var(--display);font-weight:700;font-size:.98rem;letter-spacing:-.01em;
  min-height:44px;
}
.grp>summary::-webkit-details-marker{display:none}
.grp>summary::after{
  content:"";margin-left:8px;width:9px;height:9px;border-right:2px solid var(--ink-soft);
  border-bottom:2px solid var(--ink-soft);transform:rotate(45deg) translateY(-2px);
  transition:transform .15s var(--ease-out);flex:none;
}
.grp[open]>summary::after{transform:rotate(-135deg) translateY(-2px)}
.grp>summary .ico{width:18px;height:18px;color:var(--accent);flex:none}
.grp>summary .sum{margin-left:auto;font-family:var(--sans);font-weight:600;font-size:.8rem;
  color:var(--ink-soft);font-variant-numeric:tabular-nums;text-align:right}
.grp-body{padding:2px 4px 14px}

.row{display:grid;gap:12px}
@media (min-width:540px){ .row.two{grid-template-columns:1fr 1fr} .row.three{grid-template-columns:1fr 1fr 1fr} }

.f{display:flex;flex-direction:column;gap:5px;min-width:0}
.f>label{font-size:.82rem;font-weight:600;color:var(--ink-soft);letter-spacing:.01em}
.ctl{position:relative;display:flex;align-items:center}
.inp,select.inp{
  width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);color:var(--ink);font:inherit;font-size:1rem;
  font-variant-numeric:tabular-nums;transition:border-color .14s var(--ease-out),box-shadow .14s var(--ease-out);
}
select.inp{cursor:pointer;-webkit-appearance:none;appearance:none;padding-right:34px;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-soft) 50%),linear-gradient(135deg,var(--ink-soft) 50%,transparent 50%);
  background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.inp:focus{outline:none;border-color:var(--focus);box-shadow:0 0 0 2px var(--focus)}
.ctl .unit{
  position:absolute;right:11px;font-size:.82rem;color:var(--ink-soft);pointer-events:none;
  font-weight:600;background:var(--bg);padding-left:4px;
}
.ctl:has(.unit) .inp{padding-right:52px}
/* selector de unidad dentro del propio campo (g / cm3 / m) */
.unit-sel{
  position:absolute;right:6px;border:0;background:var(--surface-2);color:var(--ink-soft);
  font:inherit;font-size:.78rem;font-weight:600;border-radius:7px;padding:5px 20px 5px 8px;
  cursor:pointer;-webkit-appearance:none;appearance:none;min-height:32px;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-soft) 50%),
                   linear-gradient(135deg,var(--ink-soft) 50%,transparent 50%);
  background-position:calc(100% - 11px) 50%,calc(100% - 7px) 50%;
  background-size:4px 4px,4px 4px;background-repeat:no-repeat;
}
.unit-sel:hover{color:var(--ink)}
.unit-sel:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.ctl:has(.unit-sel) .inp{padding-right:86px}
.hint{font-size:.75rem;color:var(--ink-soft);line-height:1.45}
.f.filled .inp{border-color:var(--accent);background:var(--accent-soft)}
.f .src{color:var(--accent-strong);font-weight:600}

.drop{
  margin-top:10px;border:1.5px dashed var(--line);border-radius:var(--r-sm);
  padding:12px;text-align:center;background:var(--bg);cursor:pointer;display:block;
  transition:border-color .14s var(--ease-out),background .14s var(--ease-out);
}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft)}
/* el campo real esta oculto: el foco del teclado se ve en la propia zona */
.drop:focus-within{border-color:var(--focus);box-shadow:0 0 0 2px var(--focus);background:var(--accent-soft)}
.drop b{display:block;font-size:.85rem}
.drop span{font-size:.75rem;color:var(--ink-soft)}
.drop-msg{font-size:.78rem;margin-top:7px;min-height:1.2em}
.drop-msg.err{color:var(--warn)}
.drop-msg.ok{color:var(--money-ink);font-weight:600}

/* =============================================================
   7. El ticket
   ============================================================= */
.ticket{padding:16px 16px 14px;font-variant-numeric:tabular-nums}
.tk-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}
.tk-top .k{font-size:.82rem;font-weight:600;color:var(--ink-soft)}
.tk-price{font-family:var(--display);font-weight:700;font-size:clamp(2rem,1.5rem + 2vw,2.7rem);
  color:var(--money);letter-spacing:-.03em;line-height:1.05;display:block}
.tk-price.tick{animation:tick .16s var(--ease-out)}
@keyframes tick{from{opacity:.55;transform:translateY(-2px)}to{opacity:1;transform:none}}
.tk-sub{font-size:.8rem;color:var(--ink-soft);margin-top:2px}
.tk-warn{margin-top:8px;font-size:.82rem;color:var(--warn);font-weight:600}
.tk-warn:empty{display:none}

.lines{list-style:none;padding:0;margin:14px 0 0;border-top:1px solid var(--line)}
.lines li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;
  border-bottom:1px solid var(--line);font-size:.9rem}
.lines li .k{color:var(--ink-soft);display:flex;align-items:center;gap:7px;min-width:0}
.lines li .v{font-weight:600;white-space:nowrap}
.lines li .dot{width:9px;height:9px;border-radius:3px;flex:none}
.lines li.total{border-bottom:0;padding-top:11px;font-size:1rem}
.lines li.total .k{color:var(--ink);font-weight:700}
.lines li.total .v{font-weight:700}

.bar{display:flex;height:12px;border-radius:99px;overflow:hidden;margin:14px 0 8px;background:var(--surface-2)}
.bar span{display:block;transition:width .16s var(--ease-out)}
.legend{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.72rem;color:var(--ink-soft);list-style:none;padding:0;margin:0}
.legend li{display:flex;align-items:center;gap:5px}
.legend i{width:9px;height:9px;border-radius:3px;display:block}

.tk-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
.tk-cell{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 10px}
.tk-cell b{display:block;font-size:1rem;font-weight:700}
.tk-cell span{font-size:.72rem;color:var(--ink-soft)}
.tk-note{font-size:.76rem;color:var(--ink-soft);margin-top:10px;border-left:2px solid var(--accent);padding-left:9px}

.acts{display:grid;gap:8px;margin-top:14px}
@media (min-width:420px){.acts{grid-template-columns:1fr 1fr}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;
  padding:10px 14px;border-radius:var(--r-sm);font-size:.88rem;font-weight:600;text-decoration:none;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);text-align:center;
  transition:background .14s var(--ease-out),border-color .14s var(--ease-out),transform .14s var(--ease-out);
}
.btn:hover{border-color:var(--accent);background:var(--accent-soft)}
.btn:active{transform:translateY(1px)}
.btn svg{width:16px;height:16px;flex:none}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}
.btn.wide{grid-column:1 / -1}
.btn.sm{min-height:44px;padding:8px 12px;font-size:.8rem}

.share{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.share a{flex:1 1 auto}

.mini{margin-top:14px;border-top:1px solid var(--line);padding-top:11px}
.mini .mini-t{font-size:.82rem;font-family:var(--sans);font-weight:700;color:var(--ink-soft);margin-bottom:7px}
.hist{list-style:none;padding:0;display:grid;gap:5px;margin:0}
.hist li{display:flex;gap:8px;align-items:center;font-size:.8rem}
.hist button{flex:1;text-align:left;display:flex;justify-content:space-between;gap:8px;
  border:1px solid var(--line);border-radius:8px;padding:7px 9px;background:var(--bg);min-height:44px;
  align-items:center}
.hist button:hover{border-color:var(--accent)}
.hist .hv{font-weight:700;color:var(--money-ink);white-space:nowrap}
.hist-empty{font-size:.78rem;color:var(--ink-soft)}

.cmp{margin-top:12px;border-top:1px solid var(--line);padding-top:11px}
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px;font-size:.84rem}
.cmp-col{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:9px}
.cmp-col .cmp-t{display:block;font-size:.76rem;color:var(--ink-soft);font-weight:700;margin-bottom:4px}
.cmp-col b{font-size:1.05rem;color:var(--money-ink);display:block}
.cmp-col .d{font-size:.74rem;color:var(--ink-soft)}
.cmp-diff{font-size:.78rem;margin-top:8px;color:var(--ink-soft)}

.badges{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 18px;padding:0}
.badges li{list-style:none;display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--ink-soft);
  background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:6px 11px}

/* =============================================================
   8. Barra fija de precio (movil)
   ============================================================= */
.pricebar{
  position:fixed;left:0;right:0;bottom:0;z-index:40;display:none;
  align-items:center;gap:12px;padding:9px 16px;min-height:var(--pricebar-h);
  background:var(--surface);border-top:1px solid var(--line);
  box-shadow:0 -4px 18px rgba(22,24,29,.08);
}
.pricebar .pb-k{font-size:.7rem;color:var(--ink-soft);display:block;line-height:1.2}
.pricebar .pb-v{font-family:var(--display);font-weight:700;font-size:1.5rem;color:var(--money);
  line-height:1.15;font-variant-numeric:tabular-nums;display:block}
.pricebar .pb-c{font-size:.7rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.pricebar .btn{margin-left:auto;min-height:44px}
@media (max-width:899px){
  body.has-pricebar{padding-bottom:calc(var(--pricebar-h) + 12px)}
  body.has-pricebar .pricebar{display:flex}
}

/* =============================================================
   9. Huecos de publicidad
   ============================================================= */
.ad-slot{
  display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--line);border-radius:var(--r-sm);
  color:var(--ink-soft);background:transparent;
  font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;
  margin:22px auto;max-width:100%;opacity:.75;
}
.ad-slot[data-slot="leaderboard"]{min-height:100px;width:320px;max-width:100%}
@media (min-width:760px){.ad-slot[data-slot="leaderboard"]{min-height:90px;width:728px}}
.ad-slot[data-slot="in-content"]{min-height:280px;width:336px;margin:32px auto}
.ad-slot[data-slot="interstitial"]{min-height:250px;width:300px;margin:0 auto}
.ad-slot[data-slot="corner"]{min-height:100px;width:100%;margin:0}

.ad-dialog{
  border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);
  padding:0;max-width:min(94vw,352px);box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.ad-dialog::backdrop{background:rgba(16,18,22,.55)}
.ad-dialog .adh{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px 6px;font-size:.8rem;color:var(--ink-soft)}
.ad-dialog .adb{padding:0 14px 12px}
.ad-dialog .adf{padding:0 14px 14px}
.x-btn{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;line-height:1;color:var(--ink-soft);flex:none}
.x-btn:hover{background:var(--surface-2);color:var(--ink)}

.corner{
  position:fixed;right:16px;bottom:16px;z-index:35;width:320px;max-width:calc(100vw - 32px);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:10px;
  opacity:0;transform:translateY(10px);transition:opacity .2s var(--ease-out),transform .2s var(--ease-out);
}
.corner[hidden]{display:none}
.corner.in{opacity:1;transform:none}
.corner .adh{display:flex;align-items:center;justify-content:space-between;font-size:.68rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}
@media (max-width:899px){
  .corner{left:50%;right:auto;transform:translateX(-50%) translateY(10px);bottom:16px}
  .corner.in{transform:translateX(-50%)}
  body.has-pricebar .corner{bottom:calc(var(--pricebar-h) + 14px)}
  body.has-cookie .corner{bottom:calc(var(--pricebar-h) + var(--cookie-h) + 14px)}
  body.has-cookie:not(.has-pricebar) .corner{bottom:calc(var(--cookie-h) + 16px)}
}

/* ----- aviso de cookies: propio, sin gestor de terceros ----- */
:root{--cookie-h:186px}
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:var(--surface);border-top:1px solid var(--line);
  box-shadow:0 -4px 18px rgba(22,24,29,.1);
  opacity:0;transform:translateY(12px);
  transition:opacity .2s var(--ease-out),transform .2s var(--ease-out);
}
.cookie-banner[hidden]{display:none}
.cookie-banner.in{opacity:1;transform:none}
.cookie-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 0}
.cookie-inner p{margin:0;font-size:.83rem;line-height:1.5;color:var(--ink-soft);flex:1 1 260px}
.cookie-inner a{color:var(--accent-strong);text-decoration:underline;text-underline-offset:2px}
.cookie-inner .btn{flex:none;min-width:110px}
/* reserva de sitio en TODOS los anchos: en escritorio no hay barra de precio
   que ya la reserve, y el banner no debe tapar el pie al llegar abajo */
body.has-cookie{padding-bottom:calc(var(--cookie-h) + 12px)}
@media (max-width:899px){
  body.has-pricebar .cookie-banner{bottom:calc(var(--pricebar-h) + 14px)}
  body.has-cookie.has-pricebar{padding-bottom:calc(var(--pricebar-h) + var(--cookie-h) + 16px)}
}

/* =============================================================
   10. Contenido
   ============================================================= */
.sec{padding:4px 0}
.sec h2{font-size:clamp(1.25rem,1.05rem + .8vw,1.6rem);margin:26px 0 10px}
.sec h3{font-size:1.05rem;margin:20px 0 6px}
.sec p,.sec li{color:var(--ink);font-size:.97rem}
.sec p{margin-bottom:12px;max-width:72ch}
.sec ul,.sec ol{margin:0 0 14px 20px}
.sec li{margin-bottom:5px;max-width:70ch}
.sec a{color:var(--accent-strong);text-decoration:underline;text-underline-offset:2px}
.sec a:hover{text-decoration-thickness:2px}

.steps{display:grid;gap:12px;margin:14px 0 6px;list-style:none;padding:0}
@media (min-width:720px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;max-width:none}
.steps b{display:block;font-family:var(--display);margin-bottom:3px}
.steps svg{width:20px;height:20px;color:var(--accent);margin-bottom:7px}

.tbl-wrap{overflow-x:auto;margin:14px 0 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.88rem;font-variant-numeric:tabular-nums}
caption{text-align:left;padding:11px 13px 0;font-size:.78rem;color:var(--ink-soft)}
th,td{padding:9px 13px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-weight:700;background:var(--surface-2);font-size:.8rem}
tbody tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right}
td.txt{white-space:normal;min-width:24ch;color:var(--ink-soft)}
td a{color:var(--accent-strong);text-decoration:underline;text-underline-offset:2px;white-space:nowrap}

.faq{margin:8px 0 4px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px}
.faq summary{cursor:pointer;padding:13px 15px;font-weight:600;font-size:.95rem;list-style:none;
  display:flex;gap:10px;align-items:center;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;color:var(--accent-strong);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 15px 14px;color:var(--ink);font-size:.93rem}
.faq .a p{margin-bottom:9px}
.faq .a p:last-child{margin-bottom:0}

.tools-grid{display:grid;gap:12px;margin:14px 0 8px;padding:0;list-style:none}
@media (min-width:640px){.tools-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.tools-grid{grid-template-columns:repeat(3,1fr)}}
.tools-grid li{max-width:none;margin:0}
.tools-grid a{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:14px;text-decoration:none;height:100%;color:var(--ink);
  transition:border-color .14s var(--ease-out),transform .14s var(--ease-out);
}
.tools-grid a:hover{border-color:var(--accent);transform:translateY(-2px)}
.tools-grid b{display:block;font-family:var(--display);font-size:.98rem;margin-bottom:3px}
.tools-grid span{font-size:.83rem;color:var(--ink-soft)}

.callout{
  background:var(--accent-soft);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-sm);padding:13px 15px;margin:16px 0;font-size:.92rem;
}
.callout p:last-child{margin-bottom:0}
.callout a{color:var(--accent-strong);font-weight:600}

/* =============================================================
   11. Pie
   ============================================================= */
.site-foot{
  border-top:1px solid var(--line);background:var(--surface);margin-top:34px;padding:26px 0 30px;
  font-size:.85rem;color:var(--ink-soft);
}
.foot-grid{display:grid;gap:18px}
@media (min-width:720px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.site-foot .foot-t{font-family:var(--sans);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;
  color:var(--ink-soft);margin-bottom:8px;font-weight:700;line-height:1.4}
.site-foot ul{list-style:none;padding:0;display:grid;gap:5px;margin:0}
.site-foot a{text-decoration:none}
.site-foot a:hover{text-decoration:underline;color:var(--ink)}
.foot-legal{margin-top:22px;padding-top:14px;border-top:1px solid var(--line);font-size:.78rem}

/* =============================================================
   12. Avisos
   ============================================================= */
.toast{
  position:fixed;left:50%;transform:translateX(-50%) translateY(12px);bottom:16px;
  z-index:60;background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:99px;
  font-size:.85rem;font-weight:600;opacity:0;pointer-events:none;
  transition:opacity .16s var(--ease-out),transform .16s var(--ease-out);
}
.toast.in{opacity:1;transform:translateX(-50%)}
@media (max-width:899px){body.has-pricebar .toast{bottom:calc(var(--pricebar-h) + 16px)}}

/* objetivos tactiles mas comodos en movil */
@media (max-width:560px){
  .lang-nav a{min-width:40px;min-height:40px;font-size:.8rem}
  .unit-sel{min-height:36px;font-size:.84rem;padding:5px 22px 5px 9px}
  .ctl:has(.unit-sel) .inp{padding-right:92px}
}

/* =============================================================
   13. Impresion
   ============================================================= */
@media print{
  .site-head,.badges,.ad-slot,.ad-dialog,.corner,.pricebar,.drop,.acts,.share,
  .site-foot,.crumbs,.tools-grid,.mini,.cmp,.skip-link,.toast,.cookie-banner,.no-print{display:none !important}
  /* en las paginas de herramienta se imprime el presupuesto, no el articulo */
  body.pg-tool .sec,body.pg-tool .faq,body.pg-tool .intro p.lead{display:none !important}
  /* en las guias se imprime el articulo, sin la FAQ ni los adornos */
  body:not(.pg-tool) .faq{display:none !important}
  body:not(.pg-tool) .tbl-wrap{overflow:visible;border:1px solid #999}
  body:not(.pg-tool) table{font-size:10px;table-layout:auto;width:100%}
  body:not(.pg-tool) th,body:not(.pg-tool) td{padding:4px 6px;white-space:normal}
  body:not(.pg-tool) tr{break-inside:avoid}
  body:not(.pg-tool) h2{break-after:avoid}
  body{background:#fff;color:#000;padding:0 !important;font-size:12px}
  .card{border:1px solid #999;box-shadow:none;break-inside:avoid}
  .tool{display:block}
  .print-head{display:block !important;margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid #000}
  .print-head b{font-family:var(--display);font-size:16px}
  .print-head span{font-size:11px;color:#444}
  .tool-form{display:none !important}
  .ticket{padding:0;position:static}
  .tk-price{color:#000;font-size:26px}
  a{color:#000;text-decoration:none}
  .lines li{font-size:12px;padding:5px 0}
  .bar,.legend{display:none}
  @page{margin:14mm}
}
.print-head{display:none}

/* =============================================================
   14. Responsive
   ============================================================= */
@media (min-width:900px){
  .tool{grid-template-columns:minmax(0,1.1fr) minmax(330px,.9fr)}
  .ticket{position:sticky;top:14px}
  .intro{padding:26px 0 14px}
}

/* =============================================================
   15. Movimiento reducido
   ============================================================= */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .tk-price.tick{animation:none}
  .corner,.toast,.bar span,.tools-grid a,.btn{transition:none}
}