/* =============================================================
   FinancIA — sistema de diseño compartido (v2, septiembre de 2026)
   Marca: carbón + dorado. Tipografía: Source Serif 4 (títulos),
   IBM Plex Sans (texto), IBM Plex Mono (cifras).
   Todo lo compartido lleva el prefijo fx- para no chocar con los
   estilos propios de cada herramienta. Los tokens de :root son los
   mismos que usan las herramientas, con los mismos valores.
   ============================================================= */
:root{
  --bg:#121212; --bg-2:#161616; --surface:#1B1B1B; --surface-2:#222222; --surface-3:#2A2A2A;
  --ink:#ECECEC; --ink-2:#BDBDBD; --muted:#8C8C8C;
  --line:#2C2C2C; --line-2:#3D3D3D;
  --accent:#F2A81D; --accent-ink:#FFC845; --accent-soft:#2A2210; --on-accent:#1A1A1A;
  --pos:#57BE82; --pos-soft:#142A1D; --neg:#E2695A; --neg-soft:#2E1714; --info:#79AFD4; --info-soft:#14222C;
  --sans:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:14px; --r-sm:9px; --r-pill:999px;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 18px 40px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(242,168,29,.35),0 12px 40px -18px rgba(242,168,29,.45);
  --wrap:1180px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* ---------- Página del sitio (opt-in con body.fx) ---------- */
body.fx{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15.5px;line-height:1.6}
.fx h1,.fx h2,.fx h3,.fx h4{font-family:var(--serif);font-weight:600;margin:0;letter-spacing:-.012em;text-wrap:balance;color:#fff}
.fx p{margin:0}
.fx a{color:var(--accent-ink);text-decoration:none}
.fx a:hover{text-decoration:underline}
.fx :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.fx img,.fx svg{max-width:100%}
.fx-wrap{max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.fx-num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- Barra de navegación ---------- */
.fx-nav{position:sticky;top:0;z-index:60;background:rgba(18,18,18,.78);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.fx-nav .fx-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.fx-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:1.32rem;font-weight:300;letter-spacing:.2px;text-decoration:none!important}
.fx-logo b{font-weight:800;color:var(--accent)}
.fx-logo .fx-emb{height:34px;width:34px;flex-shrink:0;display:block}
.fx-logo .fx-word{height:19px;width:auto;display:block;margin-top:2px}
.fx-logo-full img{width:150px;height:auto;display:block}
.fx-links{display:flex;align-items:center;gap:6px}
.fx-links a{color:var(--ink-2);font-weight:500;font-size:.93rem;padding:8px 12px;border-radius:var(--r-pill);text-decoration:none!important;transition:color .15s,background .15s}
.fx-links a:hover{color:#fff;background:var(--surface-2)}
.fx-links a.activo{color:var(--accent-ink)}
.fx-links .fx-btn{margin-left:8px}
.fx-burger{display:none;background:none;border:1px solid var(--line-2);border-radius:var(--r-sm);color:var(--ink);width:42px;height:38px;cursor:pointer;font-size:1.25rem;line-height:1}

/* ---------- Botones ---------- */
.fx-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-pill);font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;text-decoration:none!important;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;font-family:inherit;line-height:1.2;white-space:nowrap}
.fx-btn:hover{transform:translateY(-1px)}
.fx-btn-primary{background:var(--accent);color:var(--on-accent)!important}
.fx-btn-primary:hover{background:var(--accent-ink);box-shadow:var(--glow)}
.fx-btn-secondary{background:transparent;color:var(--accent-ink)!important;border-color:rgba(242,168,29,.55)}
.fx-btn-secondary:hover{background:rgba(242,168,29,.1);border-color:var(--accent)}
.fx-btn-ghost{background:var(--surface-2);color:var(--ink)!important;border-color:var(--line-2)}
.fx-btn-ghost:hover{border-color:var(--muted)}
.fx-btn-sm{padding:8px 16px;font-size:.88rem}
.fx-btn-lg{padding:14px 28px;font-size:1.02rem}

/* ---------- Etiquetas y ojales ---------- */
.fx-eyebrow{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}
.fx-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);font-size:.74rem;font-weight:700;letter-spacing:.04em;border:1px solid transparent}
.fx-tag-free{background:var(--accent-soft);color:var(--accent-ink);border-color:rgba(242,168,29,.3)}
.fx-tag-soon{background:var(--surface-3);color:var(--ink-2);border-color:var(--line-2)}
.fx-tag-pro{background:var(--info-soft);color:var(--info);border-color:rgba(121,175,212,.3)}
.fx-tag-new{background:var(--pos-soft);color:var(--pos);border-color:rgba(87,190,130,.3)}

/* ---------- Héroe ---------- */
.fx-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg)}
.fx-hero::before{content:"";position:absolute;inset:-40% -20% auto -20%;height:120%;background:
  radial-gradient(60% 55% at 18% 30%,rgba(242,168,29,.22) 0%,rgba(242,168,29,0) 60%),
  radial-gradient(45% 45% at 85% 20%,rgba(121,175,212,.12) 0%,rgba(121,175,212,0) 60%);pointer-events:none}
.fx-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(70% 70% at 50% 40%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(70% 70% at 50% 40%,#000 30%,transparent 100%);pointer-events:none}
.fx-hero .fx-wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-block:76px 64px}
.fx-hero h1{font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.08;margin:14px 0 18px}
.fx-hero h1 b{color:var(--accent);font-weight:600}
.fx-hero .fx-lede{font-size:1.15rem;color:var(--ink-2);max-width:56ch;margin-bottom:28px}
.fx-hero .fx-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.fx-hero .fx-cred{margin-top:26px;font-size:.9rem;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
.fx-hero .fx-cred span{display:inline-flex;align-items:center;gap:7px}
.fx-hero .fx-cred span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}

/* Mosaico del héroe: tarjetas vivas */
.fx-mosaic{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fx-tile{background:linear-gradient(180deg,var(--surface) 0%,var(--surface-2) 100%);border:1px solid var(--line-2);border-radius:var(--r);padding:16px 16px 14px;text-decoration:none!important;color:var(--ink);display:flex;flex-direction:column;gap:8px;min-height:132px;transition:transform .2s,border-color .2s,box-shadow .2s;position:relative;overflow:hidden}
.fx-tile:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--glow)}
.fx-tile .fx-tile-k{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.fx-tile .fx-tile-v{font-family:var(--mono);font-size:1.45rem;font-weight:600;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.fx-tile .fx-tile-v em{font-style:normal;color:var(--accent)}
.fx-tile .fx-tile-n{font-size:.83rem;color:var(--ink-2);margin-top:auto}
.fx-tile svg{width:100%;height:38px;display:block}
.fx-tile.wide{grid-column:span 2}

/* ---------- Secciones ---------- */
.fx-section{padding-block:72px}
.fx-section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.fx-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:end;margin-bottom:34px}
.fx-head h2{font-size:clamp(1.6rem,3vw,2.25rem);margin-top:8px;line-height:1.15}
.fx-head p{color:var(--ink-2);max-width:62ch;margin-top:10px}
.fx-head .fx-more{white-space:nowrap}
.fx-grid{display:grid;gap:18px}
.fx-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.fx-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.fx-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- Tarjetas ---------- */
.fx-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:12px;position:relative;transition:border-color .2s,transform .2s,box-shadow .2s}
.fx-card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.fx-card.feat{border-color:rgba(242,168,29,.45);background:linear-gradient(180deg,rgba(242,168,29,.07),transparent 55%),var(--surface)}
.fx-card .fx-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line-2);color:var(--accent);flex-shrink:0}
.fx-card .fx-ic svg{width:22px;height:22px;display:block}
.fx-card .fx-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.fx-card h3{font-size:1.22rem;line-height:1.25}
.fx-card p{color:var(--ink-2);font-size:.95rem;flex:1}
.fx-card .fx-foot{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:6px}
.fx-card .fx-meta{font-size:.8rem;color:var(--muted)}

/* ---------- Pasos / ruta ---------- */
.fx-route{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:paso}
.fx-route .fx-card{padding-top:28px}
.fx-route .fx-card::before{counter-increment:paso;content:counter(paso);position:absolute;top:-14px;left:22px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-family:var(--mono);font-weight:700;display:grid;place-items:center;font-size:.9rem}

/* ---------- Cifras ---------- */
.fx-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.fx-stat{background:var(--surface);padding:22px 20px}
.fx-stat .v{font-family:var(--mono);font-size:1.9rem;font-weight:600;color:#fff;letter-spacing:-.02em}
.fx-stat .v em{font-style:normal;color:var(--accent)}
.fx-stat .k{font-size:.86rem;color:var(--ink-2);margin-top:4px}

/* ---------- Franja de llamado ---------- */
.fx-band{position:relative;overflow:hidden;border-block:1px solid var(--line);background:linear-gradient(120deg,#1E1808 0%,#141414 55%)}
.fx-band .fx-wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;padding-block:52px}
.fx-band h2{font-size:1.7rem}
.fx-band p{color:var(--ink-2);margin-top:8px;max-width:58ch}
.fx-form{display:flex;gap:10px;flex-wrap:wrap}
.fx-input{padding:12px 16px;border:1px solid var(--line-2);border-radius:var(--r-pill);font-size:1rem;font-family:inherit;background:var(--surface-2);color:var(--ink);min-width:240px;flex:1}
.fx-input::placeholder{color:#7d7d7d}
.fx-input:focus{outline:2px solid var(--accent);border-color:transparent}

/* ---------- Pie ---------- */
.fx-footer{background:#0E0E0E;border-top:1px solid var(--line);padding-block:44px 30px;color:var(--ink-2);font-size:.92rem}
.fx-footer .fx-wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.fx-footer strong{color:#fff;display:block;margin-bottom:10px;font-weight:600}
.fx-footer a{color:var(--ink-2);display:block;padding:3px 0;text-decoration:none}
.fx-footer a:hover{color:var(--accent-ink);text-decoration:none}
.fx-footer .fx-logo{font-size:1.15rem}
.fx-footer .fx-legal{grid-column:1/-1;margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem;color:#777;line-height:1.55}

/* ---------- Cabecera de herramienta ---------- */
.fx-tool-head{border-bottom:1px solid var(--line);background:radial-gradient(70% 90% at 10% 0%,rgba(242,168,29,.16) 0%,rgba(242,168,29,0) 60%),var(--bg)}
.fx-tool-head .fx-wrap{padding-block:34px 28px}
.fx-tool-head .fx-back{text-decoration:none;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-decoration:none!important}
.fx-tool-head .fx-back:hover{color:var(--accent-ink)}
.fx-tool-head h1{font-size:clamp(1.7rem,3.6vw,2.4rem);margin:10px 0 10px}
.fx-tool-head p{color:var(--ink-2);max-width:72ch}
.fx-tool-head .fx-marks{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.fx-tool-head .fx-marks span{font-size:.76rem;padding:4px 11px;border-radius:var(--r-pill);border:1px solid var(--line-2);color:var(--ink-2);background:var(--surface)}
.fx-tool-main{padding-block:32px 56px}
.fx-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
.fx-panel + .fx-panel{margin-top:20px}
.fx-field{display:flex;flex-direction:column;gap:6px}
.fx-field label{font-weight:600;font-size:.9rem;color:var(--ink)}
.fx-field small{color:var(--muted);font-weight:400;font-size:.8rem}
.fx-field input,.fx-field select{padding:11px 14px;border:1px solid var(--line-2);border-radius:var(--r-sm);font-size:1rem;font-family:inherit;background:var(--surface-2);color:var(--ink);width:100%}
.fx-field input:focus,.fx-field select:focus{outline:2px solid var(--accent);border-color:transparent}
.fx-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.fx-result{background:var(--surface-2);border:1px solid var(--line-2);border-radius:var(--r);padding:24px;margin-top:22px}
.fx-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.fx-kpi{background:var(--surface);padding:12px 14px}
.fx-kpi .k{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.fx-kpi .v{font-family:var(--mono);font-size:1.25rem;font-weight:600;color:#fff;margin-top:2px;font-variant-numeric:tabular-nums}
.fx-kpi.hi .v{color:var(--accent)}
.fx-kpi .v.pos{color:var(--pos)} .fx-kpi .v.neg{color:var(--neg)}
.fx-note{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--surface-2);font-size:.9rem;color:var(--ink-2)}
.fx-note.ok{border-color:rgba(87,190,130,.4);background:var(--pos-soft)}
.fx-note.warn{border-color:rgba(226,105,90,.4);background:var(--neg-soft)}
.fx-note.info{border-color:rgba(121,175,212,.4);background:var(--info-soft)}
.fx-table{width:100%;border-collapse:collapse;font-size:.93rem}
.fx-table th,.fx-table td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left}
.fx-table th{color:var(--muted);font-weight:600;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.fx-table td.n,.fx-table th.n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
.fx-chart svg{width:100%;height:auto;display:block}
.fx-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--ink-2);margin-top:10px}
.fx-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.fx-cierre{border-top:1px solid var(--line);background:var(--bg-2)}
.fx-cierre .fx-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;padding-block:44px}
.fx-cierre h2{font-size:1.3rem;margin-bottom:8px}
.fx-cierre p{color:var(--ink-2);font-size:.94rem;margin-bottom:14px}

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .fx-hero .fx-wrap{grid-template-columns:1fr;padding-block:56px 48px}
  .fx-grid-3,.fx-grid-4,.fx-route{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fx-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fx-footer .fx-wrap{grid-template-columns:1fr 1fr}
  .fx-band .fx-wrap{grid-template-columns:1fr}
}
@media (max-width:720px){
  .fx-links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:#141414;border-bottom:1px solid var(--line);padding:10px 16px 16px;gap:4px}
  .fx-links.abierto{display:flex}
  .fx-links a{padding:12px 10px}
  .fx-links .fx-btn{margin:8px 0 0}
  .fx-burger{display:block}
  .fx-grid-3,.fx-grid-2,.fx-grid-4,.fx-route,.fx-fields,.fx-cierre .fx-wrap{grid-template-columns:1fr}
  .fx-stats{grid-template-columns:1fr 1fr}
  .fx-section{padding-block:48px}
  .fx-head{grid-template-columns:1fr}
  .fx-mosaic{grid-template-columns:1fr 1fr}
  .fx-footer .fx-wrap{grid-template-columns:1fr}
  .fx-panel{padding:20px}
}
@media (max-width:420px){.fx-mosaic{grid-template-columns:1fr}.fx-tile.wide{grid-column:auto}}
@media print{.fx-nav,.fx-footer,.fx-band{display:none}}