/* Balanceuno — sitio público de venta. CSS propio, sin dependencias externas. */
:root{
  --bo-primary:#2563eb; --bo-primary-600:#1d4ed8; --bo-primary-700:#1e40af;
  --bo-ink:#0f172a; --bo-ink-2:#334155; --bo-muted:#64748b;
  --bo-bg:#ffffff; --bo-soft:#eff6ff; --bo-soft-2:#f8fafc; --bo-line:#e5e7eb;
  --bo-ok:#16a34a; --bo-shadow:0 10px 30px rgba(2,6,23,.08);
  --bo-radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--bo-ink);background:var(--bo-bg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:600;border-radius:12px;padding:12px 20px;font-size:15px;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--bo-primary);color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.30)}
.btn-primary:hover{background:var(--bo-primary-600)}
.btn-ghost{background:transparent;color:var(--bo-ink);border:1px solid var(--bo-line)}
.btn-ghost:hover{background:var(--bo-soft-2)}
.btn-white{background:#fff;color:var(--bo-primary-700)}
.btn-lg{padding:15px 28px;font-size:16px;border-radius:14px}
.btn-block{display:flex;width:100%}

/* Nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--bo-line)}
.nav .row{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em}
.brand .mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--bo-primary),#3b82f6);
  color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 4px 10px rgba(37,99,235,.35)}
.nav .links{display:flex;gap:22px;margin-left:14px}
.nav .links a{color:var(--bo-ink-2);font-weight:500;font-size:15px}
.nav .links a:hover{color:var(--bo-ink)}
.nav .spacer{flex:1}
.nav .cta{display:flex;gap:10px;align-items:center}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 80% -10%,var(--bo-soft),transparent),var(--bo-bg);
  padding:72px 0 40px}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.badge-soft{display:inline-flex;align-items:center;gap:8px;background:var(--bo-soft);color:var(--bo-primary-700);
  font-weight:600;font-size:13px;padding:6px 12px;border-radius:999px;border:1px solid #bfdbfe}
.hero h1{font-size:52px;line-height:1.05;letter-spacing:-.03em;margin:18px 0 14px;font-weight:800}
.hero h1 .hl{color:var(--bo-primary)}
.hero p.lead{font-size:19px;color:var(--bo-ink-2);max-width:520px;margin:0 0 26px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .fine{margin-top:14px;color:var(--bo-muted);font-size:14px}
.hero .art{background:#fff;border:1px solid var(--bo-line);border-radius:20px;box-shadow:var(--bo-shadow);
  padding:16px;overflow:hidden}
.hero .art .bartop{display:flex;gap:6px;margin-bottom:12px}
.hero .art .bartop i{width:11px;height:11px;border-radius:50%;background:#e2e8f0;display:inline-block}
.mockrow{display:flex;gap:10px;margin-bottom:10px}
.mockcard{flex:1;background:var(--bo-soft-2);border:1px solid var(--bo-line);border-radius:12px;padding:14px}
.mockcard .k{font-size:12px;color:var(--bo-muted)}
.mockcard .v{font-size:20px;font-weight:800;margin-top:4px}
.mockbars{display:flex;align-items:flex-end;gap:8px;height:110px;padding:12px;background:var(--bo-soft-2);
  border:1px solid var(--bo-line);border-radius:12px}
.mockbars span{flex:1;background:linear-gradient(180deg,#fdba74,var(--bo-primary));border-radius:6px 6px 0 0}

/* Sections */
.section{padding:64px 0}
.section.alt{background:var(--bo-soft-2);border-top:1px solid var(--bo-line);border-bottom:1px solid var(--bo-line)}
.section h2{font-size:34px;letter-spacing:-.02em;text-align:center;margin:0 0 8px;font-weight:800}
.section .sub{text-align:center;color:var(--bo-muted);max-width:640px;margin:0 auto 40px;font-size:17px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:#fff;border:1px solid var(--bo-line);border-radius:var(--bo-radius);padding:24px}
.feature .ic{width:44px;height:44px;border-radius:12px;background:var(--bo-soft);color:var(--bo-primary-700);
  display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.feature h3{margin:0 0 6px;font-size:18px}
.feature p{margin:0;color:var(--bo-ink-2);font-size:15px}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--bo-line);border-radius:20px;padding:26px;display:flex;flex-direction:column;position:relative}
.plan.top{border-color:var(--bo-primary);box-shadow:0 12px 34px rgba(37,99,235,.16);transform:translateY(-6px)}
.plan .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--bo-primary);color:#fff;
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px}
.plan h3{margin:0 0 4px;font-size:22px}
.plan .desc{color:var(--bo-muted);font-size:14px;min-height:38px}
.plan .price{font-size:38px;font-weight:800;letter-spacing:-.02em;margin:10px 0 2px}
.plan .price small{font-size:15px;font-weight:600;color:var(--bo-muted)}
.plan .peryear{color:var(--bo-muted);font-size:13px;margin-bottom:16px}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;display:flex;flex-direction:column;gap:10px}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--bo-ink-2)}
.plan li::before{content:"✓";color:var(--bo-ok);font-weight:800}
.plan .foot{margin-top:auto}
.enterprise{margin-top:26px;background:linear-gradient(135deg,var(--bo-ink),#1e293b);color:#fff;border-radius:20px;
  padding:26px 30px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between}
.enterprise h3{margin:0;font-size:22px}
.enterprise p{margin:4px 0 0;color:#cbd5e1}

/* CTA band */
.ctaband{background:linear-gradient(135deg,var(--bo-primary),#3b82f6);color:#fff;text-align:center;padding:56px 0}
.ctaband h2{font-size:32px;margin:0 0 10px}
.ctaband p{margin:0 0 22px;font-size:18px;opacity:.95}

/* Footer */
.footer{background:var(--bo-ink);color:#cbd5e1;padding:40px 0 28px;font-size:14px}
.footer .cols{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.footer .brand{color:#fff}
.footer a{color:#cbd5e1}.footer a:hover{color:#fff}
.footer .legal{border-top:1px solid #1e293b;padding-top:18px;color:#94a3b8}

/* Auth/registro card */
.authwrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.authside{background:linear-gradient(160deg,var(--bo-ink),#1e293b);color:#fff;padding:56px 48px;display:flex;flex-direction:column;justify-content:center}
.authside h2{font-size:32px;margin:16px 0 12px}
.authside ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.authside li{display:flex;gap:10px}.authside li::before{content:"✓";color:var(--bo-primary)}
.authmain{display:flex;align-items:center;justify-content:center;padding:40px 20px}
.card{width:100%;max-width:440px;background:#fff;border:1px solid var(--bo-line);border-radius:20px;
  box-shadow:var(--bo-shadow);padding:32px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field input,.field select{width:100%;padding:11px 13px;border:1px solid var(--bo-line);border-radius:10px;font-size:15px}
.field input:focus,.field select:focus{outline:2px solid var(--bo-primary);border-color:transparent}
.err{color:#dc2626;font-size:13px;margin-top:5px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}
.alert.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.alert.ok{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}
.muted{color:var(--bo-muted)}
.toggle{display:inline-flex;background:var(--bo-soft-2);border:1px solid var(--bo-line);border-radius:999px;padding:4px;gap:4px;margin:0 auto 26px;width:max-content}
.toggle button{border:0;background:transparent;padding:8px 18px;border-radius:999px;cursor:pointer;font-weight:600;color:var(--bo-muted)}
.toggle button.on{background:#fff;color:var(--bo-ink);box-shadow:0 1px 4px rgba(0,0,0,.08)}

@media (max-width:900px){
  .hero .grid,.features,.pricing{grid-template-columns:1fr}
  .hero h1{font-size:38px}.hero .art{display:none}
  .authwrap{grid-template-columns:1fr}.authside{display:none}
  .nav .links{display:none}
}

/* Pasos "cómo empezar" */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{text-align:center;padding:10px}
.step .n{width:48px;height:48px;border-radius:50%;background:var(--bo-soft);color:var(--bo-primary-700);
  font-weight:800;font-size:20px;display:grid;place-items:center;margin:0 auto 14px;border:2px solid #bfdbfe}
.step h3{margin:0 0 6px;font-size:18px}
.step p{margin:0;color:var(--bo-ink-2);font-size:15px}
/* Tabla comparativa */
.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--bo-line);border-radius:16px;overflow:hidden}
.cmp th,.cmp td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--bo-line);font-size:15px}
.cmp th{background:var(--bo-soft-2);font-weight:700}
.cmp td:first-child,.cmp th:first-child{text-align:left;color:var(--bo-ink-2)}
.cmp tr:last-child td{border-bottom:0}
.cmp .plancol{font-weight:800;font-size:16px}
.cmp-wrap{overflow-x:auto}
/* FAQ */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid var(--bo-line);border-radius:12px;padding:4px 18px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--bo-primary);font-size:22px;font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq p{margin:0 0 16px;color:var(--bo-ink-2);font-size:15px}
@media (max-width:900px){ .steps{grid-template-columns:1fr} }

.mark svg{width:62%;height:62%}