/* Herramientas gratuitas de StockSoft · © 2026 StockSoft. Todos los derechos reservados. */
:root{
  --bg:#060d1d;--bg2:#081327;--card:#0c1730;--card2:#11203f;--line:#1b2c52;--line2:#284073;
  --ink:#edf3ff;--mut:#8ea0c4;--faint:#5d6f96;--acc:#2f8cf0;--acc2:#3cc8f2;--blue:#1d5fd6;--org:#ff8a1f;--org2:#ffb347;--ok:#3ddc97;
  --gold1:#f6ead0;--gold2:#e6cf9a;
  --brandf:'Montserrat',system-ui,sans-serif;--font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg)}
body{font-family:var(--font);color:var(--ink);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
  background:radial-gradient(55% 40% at 85% 0%,rgba(60,200,242,.14),transparent 70%),repeating-linear-gradient(30deg,rgba(47,140,240,.045) 0 1px,transparent 1px 40px),repeating-linear-gradient(150deg,rgba(47,140,240,.045) 0 1px,transparent 1px 40px),var(--bg)}
a{color:var(--acc2)}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
/* Cabecera */
.top{position:sticky;top:0;z-index:10;background:rgba(6,13,29,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--acc),var(--acc2) 55%,var(--org));opacity:.85}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:14px}
.brand{display:flex;align-items:center;gap:9px;font:800 17px var(--brandf);letter-spacing:.03em;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand img{width:30px;height:30px;border-radius:8px}
.brand b{font-weight:800}.brand b span{color:var(--acc2);font-weight:700}
.nav{display:flex;gap:18px;align-items:center;font-size:14px}
.nav a{color:var(--mut);text-decoration:none}
.nav a:hover{color:var(--ink)}
.nav a.btn,.nav a.btn:hover{color:#1a1408}
@media (max-width:640px){.nav a.hide-m{display:none}}
/* Botones (píldora dorada como en StockSoft) */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px var(--font);text-decoration:none;border-radius:999px;padding:11px 20px;border:1px solid rgba(255,255,255,.35);cursor:pointer;color:#1a1408;background:linear-gradient(180deg,var(--gold1),var(--gold2));box-shadow:0 12px 28px -14px rgba(230,207,154,.6),inset 0 1px 0 rgba(255,255,255,.5);transition:transform .2s,box-shadow .3s}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(230,207,154,.85)}
.btn.sec{background:var(--card2);color:var(--ink);border-color:var(--line2);box-shadow:none}
.btn.sec:hover{border-color:var(--acc2)}
.btn.sm{padding:7px 14px;font-size:13.5px}
/* Títulos */
.hero{padding:40px 0 18px}
.crumb{font-size:13px;color:var(--faint);margin-bottom:10px}.crumb a{color:var(--mut)}
h1{font:800 clamp(28px,4.4vw,42px)/1.12 var(--brandf);letter-spacing:-.02em}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mut);font-size:17px;margin-top:10px;max-width:62ch}
h2{font:800 22px/1.25 var(--brandf);margin:30px 0 10px}
h3{font:700 16px var(--brandf);margin:18px 0 6px}
p+p{margin-top:10px}
.mut{color:var(--mut)}
/* Herramienta */
.layout{display:grid;grid-template-columns:1fr 300px;gap:22px;align-items:start;margin-top:18px}
@media (max-width:900px){.layout{grid-template-columns:1fr}}
.tool{position:relative;background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:22px;box-shadow:0 30px 60px -36px #000;overflow:hidden}
.tool::before{content:'';position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--acc),var(--acc2) 55%,var(--org))}
label{display:block;font-size:13px;font-weight:600;color:var(--mut);margin:14px 0 6px}
input,select{width:100%;background:#081227;border:1px solid var(--line2);color:var(--ink);border-radius:12px;padding:12px 14px;font:600 18px var(--font);outline:none;font-variant-numeric:tabular-nums}
input:focus,select:focus{border-color:var(--acc2);box-shadow:0 0 0 4px rgba(60,200,242,.16)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.row{grid-template-columns:1fr}}
.seg{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.seg button{background:var(--bg2);border:1px solid var(--line);color:var(--mut);border-radius:10px;padding:8px 13px;font:600 14px var(--font);cursor:pointer}
.seg button.on{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;border-color:transparent}
.result{position:relative;margin-top:18px;border-radius:16px;padding:18px;background:linear-gradient(135deg,var(--blue),var(--acc) 55%,var(--acc2));box-shadow:0 20px 40px -22px rgba(47,140,240,.9)}
.result .k{font-size:12.5px;font-weight:700;letter-spacing:.04em;color:rgba(255,255,255,.82);text-transform:uppercase}
.result .v{font:800 clamp(28px,6vw,38px)/1.1 var(--brandf);color:#fff;font-variant-numeric:tabular-nums;margin-top:4px;word-break:break-word}
.result .s{color:rgba(255,255,255,.85);font-size:14px;margin-top:4px}
.lines{margin-top:14px;border-top:1px solid var(--line)}
.lines div{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.lines span{color:var(--mut)}
.lines b{font-family:var(--brandf)}
.rate{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--mut);margin-top:12px}
.rate b{color:var(--org2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(61,220,151,.2)}
.copy{margin-top:12px}
/* Tarjeta para conocer StockSoft */
.promo{background:var(--card);border:1px solid var(--line2);border-radius:18px;padding:18px}
.promo b{font-family:var(--brandf);font-size:17px;display:block;margin-bottom:6px}
.promo p{color:var(--mut);font-size:14.5px}
.promo .btn{margin-top:12px;width:100%}
/* Espacios de anuncios (Google AdSense) */
.ad{margin:22px 0;min-height:0;text-align:center}
.ad.preview{min-height:110px;border:1.5px dashed var(--line2);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:13px}
.side{display:flex;flex-direction:column;gap:16px;position:sticky;top:80px}
/* Lista de herramientas */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:20px}
.card{display:block;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--acc2);transform:translateY(-3px)}
.card .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--acc2));font-size:20px;margin-bottom:12px}
.card:nth-child(even) .ico{background:linear-gradient(135deg,var(--org),var(--org2))}
.card b{font-family:var(--brandf);font-size:17px}
.card p{color:var(--mut);font-size:14.5px;margin-top:4px}
/* Texto explicativo */
.info{margin-top:30px;max-width:760px}
.info li{color:var(--mut);margin:4px 0 4px 20px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-top:10px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{color:var(--mut);margin-top:8px}
footer{margin-top:50px;border-top:1px solid var(--line);padding:26px 0;color:var(--faint);font-size:13.5px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
footer a{color:var(--mut)}
/* Portada de herramientas: convertidor arriba */
.hub{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding:40px 0 10px}
@media (max-width:900px){.hub{grid-template-columns:1fr;gap:22px;padding-top:26px}}
.hub .rate .rtxt{display:none}
.dot.man{background:var(--org2);box-shadow:0 0 0 3px rgba(255,179,71,.2)}
.dot.off{background:#ff5d5d;box-shadow:0 0 0 3px rgba(255,93,93,.2)}
.rtxt{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}
.rtag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#1a1408;background:var(--org2);border-radius:6px;padding:1px 6px}
.rwarn{color:var(--org2);font-weight:600}
.racts{display:inline-flex;gap:6px}
.rbtn{background:none;border:1px solid var(--line2);color:var(--acc2);font:600 12.5px var(--font);border-radius:999px;padding:4px 11px;cursor:pointer}
.rbtn:hover{border-color:var(--acc2);color:var(--ink)}
.rform{flex-basis:100%;display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end;margin-top:6px;background:var(--bg2);border:1px solid var(--line2);border-radius:14px;padding:12px}
.rform label{margin:0;font-size:12px}
.rform input{font-size:16px;padding:10px 12px;margin-top:4px}
.rform .btn{height:44px}
@media (max-width:560px){.rform{grid-template-columns:1fr 1fr}.rform .btn{grid-column:1/-1}}
@media (max-width:640px){.hub .lead{display:none}.bigrate{margin-top:16px}.bigrate b{font-size:26px}}
.badge-free{display:inline-block;font:700 12px var(--font);letter-spacing:.05em;text-transform:uppercase;color:var(--org2);background:rgba(255,138,31,.1);border:1px solid rgba(255,138,31,.35);border-radius:999px;padding:5px 12px;margin-bottom:14px}
.bigrate{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.bigrate>div{flex:1;min-width:150px;background:var(--card);border:1px solid var(--line2);border-radius:16px;padding:12px 16px}
.bigrate .k{display:block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--mut)}
.bigrate b{font:800 30px/1.15 var(--brandf);color:var(--org2);font-variant-numeric:tabular-nums}
.bigrate .u{color:var(--mut);font-weight:700;margin-left:6px}
.qconv .qt{font:800 19px var(--brandf)}
.qin{display:flex;gap:10px;margin-top:14px}
.qin input{flex:1;min-width:0;font:700 24px var(--brandf)}
.qseg{display:flex;background:#081227;border:1px solid var(--line2);border-radius:12px;padding:4px;gap:4px}
.qseg button{border:0;background:none;color:var(--mut);font:700 16px var(--brandf);border-radius:9px;padding:0 13px;cursor:pointer;min-width:44px}
.qseg button.on{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff}
.qfoot{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.btn.wa{background:linear-gradient(180deg,#3ddc97,#25b877);color:#06251a;border-color:rgba(255,255,255,.3);box-shadow:0 12px 26px -14px rgba(61,220,151,.7)}
.sec-t{margin-top:34px}
.grid.big{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.grid.big .card{position:relative;display:flex;flex-direction:column;padding:22px}
.grid.big .card p{flex:1}
.card .open{margin-top:14px;font-weight:700;font-size:14.5px;color:var(--acc2)}
.card .tag{position:absolute;top:16px;right:16px;font:800 10.5px var(--font);letter-spacing:.05em;text-transform:uppercase;color:#1a1408;background:var(--org2);border-radius:7px;padding:3px 8px}
.card.hot{border-color:var(--line2);background:linear-gradient(160deg,#10224a,var(--card) 60%);box-shadow:0 24px 50px -30px rgba(60,200,242,.6)}
.card.promo-card{background:linear-gradient(135deg,rgba(47,140,240,.14),rgba(255,138,31,.10));border-color:var(--line2)}
.card.promo-card .open{color:var(--org2)}
/* Otras herramientas (al final de cada calculadora) */
.more{margin:40px 0 10px}
.more-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:14px}
.more-grid a{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:600;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;transition:border-color .2s,transform .2s}
.more-grid a:hover{border-color:var(--acc2);transform:translateY(-2px)}
.more-grid .ico{width:34px;height:34px;flex:none;border-radius:10px;display:grid;place-items:center;color:#fff;font:800 14px var(--brandf);background:linear-gradient(135deg,var(--blue),var(--acc2))}
.more-grid i{margin-left:auto;font-style:normal;color:var(--acc2)}
@media print{.top,.side,.ad,footer,.info,.hero .lead,.noprint{display:none!important}body{background:#fff;color:#000}.tool{box-shadow:none;border:0}}