:root{--bg:#0b1020;--ink:#0f172a;--mut:#5b6478;--pri:#6d28d9;--pri2:#8b5cf6;--acc:#22c55e;--card:#fff;--soft:#f5f3ff;--line:#e6e8ef}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:17px}
a{color:var(--pri)}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
header.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.3px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo b{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;font-size:15px}
.logo i{font-style:normal;color:var(--pri)}
.nav nav a{margin-left:22px;color:var(--mut);text-decoration:none;font-size:15px}
.btn{display:inline-block;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff!important;text-decoration:none;font-weight:700;padding:15px 26px;border-radius:12px;box-shadow:0 10px 24px -10px rgba(109,40,217,.7);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn.sm{padding:9px 16px;font-size:15px;box-shadow:none}
.hero{background:radial-gradient(1200px 500px at 80% -10%,#ede9fe 0,transparent 60%),radial-gradient(800px 400px at -10% 10%,#ecfdf5 0,transparent 60%);padding:72px 0 64px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.pill{display:inline-block;background:var(--soft);color:var(--pri);font-weight:700;font-size:13px;padding:6px 12px;border-radius:999px;margin-bottom:16px}
h1{font-size:50px;line-height:1.08;letter-spacing:-1.4px;margin:0 0 18px}
h1 em{font-style:normal;background:linear-gradient(135deg,var(--pri),#db2777);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{font-size:20px;color:var(--mut);margin:0 0 28px}
.trust{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px;color:var(--mut);font-size:14px}
.trust span:before{content:"✓ ";color:var(--acc);font-weight:800}
.price{font-size:15px;color:var(--mut);margin-left:14px}
.price b{font-size:26px;color:var(--ink)}
.mock{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 60px -30px rgba(15,23,42,.35);padding:18px}
.mock .bar{display:flex;gap:6px;margin-bottom:12px}.mock .bar i{width:10px;height:10px;border-radius:50%;background:#e5e7eb}
.msg{border-radius:14px;padding:12px 14px;margin:10px 0;font-size:14.5px}
.msg small{display:block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;margin-bottom:4px;opacity:.75}
.in{background:#f1f5f9}.out{background:linear-gradient(135deg,#f5f3ff,#eef2ff);border:1px solid #ddd6fe}
.tag{display:inline-block;font-size:11px;background:#fef3c7;color:#92400e;border-radius:6px;padding:2px 7px;font-weight:700}
section{padding:72px 0}
h2{font-size:36px;letter-spacing:-.8px;line-height:1.15;margin:0 0 14px}
.lead{color:var(--mut);font-size:19px;max-width:760px;margin:0 0 36px}
.alt{background:#fafafa;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 8px 24px -18px rgba(15,23,42,.3)}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--soft);margin-bottom:14px}
.card h3{margin:0 0 8px;font-size:20px}
.card p{color:var(--mut);margin:0 0 12px;font-size:16px}
.card ul{padding-left:18px;margin:0;color:#334155;font-size:15px}
.problem{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.problem div{background:#fff;border:1px dashed #cbd5e1;border-radius:14px;padding:18px;color:#334155}
.problem b{display:block;font-size:26px;margin-bottom:4px}
.extras{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:34px;padding:0;list-style:none}
.extras li{padding-left:30px;position:relative}
.extras li:before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:#dcfce7;color:#15803d;font-weight:800;display:grid;place-items:center;font-size:13px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.yes,.no{border-radius:18px;padding:26px}
.yes{background:#f0fdf4;border:1px solid #bbf7d0}.no{background:#fff7ed;border:1px solid #fed7aa}
.yes h3,.no h3{margin-top:0}
.yes li,.no li{margin-bottom:8px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px 24px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:24px;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;font-weight:800;display:grid;place-items:center}
.step h3{margin:6px 0 6px}
.step p{margin:0;color:var(--mut)}
.costs{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.costs td,.costs th{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:16px}
.costs th{background:var(--soft)}
.note{font-size:14px;color:var(--mut);margin-top:10px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--pri);font-size:22px;line-height:1}
details[open] summary:after{content:"–"}
details p{color:#334155;margin:10px 0 0}
.guarantee{display:flex;gap:24px;align-items:center;background:linear-gradient(135deg,#ecfdf5,#f0f9ff);border:1px solid #bbf7d0;border-radius:20px;padding:30px}
.seal{flex:0 0 110px;height:110px;border-radius:50%;background:#fff;border:4px solid var(--acc);display:grid;place-items:center;text-align:center;font-weight:800;color:#15803d;line-height:1.1}
.seal b{font-size:34px;display:block}
.cta{background:var(--bg);color:#fff;text-align:center;padding:84px 0}
.cta h2{color:#fff}.cta p{color:#c7cbe0;font-size:19px}
.cta .price{color:#c7cbe0}.cta .price b{color:#fff}
footer{background:#070b17;color:#8a90a8;font-size:14px;padding:30px 0}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a{color:#c7cbe0}
@media (max-width:900px){
 .hero .wrap,.two{grid-template-columns:1fr}
 .grid3,.steps,.problem{grid-template-columns:1fr}
 .extras{grid-template-columns:1fr}
 h1{font-size:36px;letter-spacing:-.8px}
 h2{font-size:28px}
 .sub{font-size:18px}
 .nav nav a:not(.btn){display:none}
 section{padding:56px 0}.hero{padding:44px 0 48px}
 .guarantee{flex-direction:column;text-align:center}
 .steps{gap:34px}
}

.page-narrow{max-width:820px;margin:0 auto;padding:56px 22px 72px}
.page-narrow h1{font-size:42px}
.page-narrow h2{font-size:26px;margin-top:40px}
.page-narrow h3{font-size:19px;margin-top:24px}
.page-narrow p,.page-narrow li{color:#334155}
.ph{background:#fef3c7;color:#92400e;border-radius:6px;padding:0 6px;font-weight:700}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 18px 40px -28px rgba(15,23,42,.35);margin-top:26px}
.panel ol li{margin-bottom:8px}
.btn.ghost{background:#fff;color:var(--pri)!important;border:2px solid #ddd6fe;box-shadow:none}
.ok{width:72px;height:72px;border-radius:50%;background:#dcfce7;color:#15803d;display:grid;place-items:center;font-size:38px;font-weight:800;margin-bottom:18px}
.toc a{margin-right:16px}
@media (max-width:900px){.page-narrow h1{font-size:32px}}

/* Guías y páginas de contenido */
.crumbs{font-size:14px;color:var(--mut);margin:0 0 18px}
.crumbs a{color:var(--mut)}
.article-meta{font-size:14px;color:var(--mut);margin:-6px 0 26px}
.lead-p{font-size:19px;color:#1e293b!important}
.page-narrow pre{background:#0f172a;color:#e2e8f0;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.55;white-space:pre-wrap}
.page-narrow code{background:var(--soft);color:#4c1d95;border-radius:6px;padding:1px 6px;font-size:.9em}
.page-narrow pre code{background:none;color:inherit;padding:0}
.page-narrow blockquote{margin:12px 0;padding:12px 18px;border-left:4px solid var(--pri2);background:#fafafa;border-radius:0 12px 12px 0;color:#334155}
.page-narrow table.costs{margin:16px 0}
.cta-box{background:linear-gradient(135deg,#f5f3ff,#eef2ff);border:1px solid #ddd6fe;border-radius:20px;padding:26px 28px;margin:44px 0 10px}
.cta-box h2{margin-top:0!important;font-size:24px!important}
.cta-box p{margin:0 0 14px}
.cta-box .small{font-size:14px;color:var(--mut)!important;margin-top:12px}
.guide-list{display:grid;grid-template-columns:1fr;gap:16px;margin-top:26px;padding:0;list-style:none}
.guide-list li{margin:0}
.guide-list a.gcard{display:flex;gap:16px;align-items:flex-start;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:0 8px 24px -18px rgba(15,23,42,.3);transition:transform .15s}
.guide-list a.gcard:hover{transform:translateY(-2px);border-color:#ddd6fe}
.guide-list .ico{flex:0 0 46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--soft)}
.guide-list b{display:block;font-size:18px;line-height:1.3;margin-bottom:4px}
.guide-list span.d{color:var(--mut);font-size:15.5px}
.related{margin-top:36px}
.related h2{font-size:22px!important}
.terms-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 26px;margin:20px 0}
.terms-box li{margin-bottom:6px}

/* Herramientas (lector de facturas) */
.page-wide{max-width:1180px;margin:0 auto;padding:56px 22px 72px}
.page-wide h1{font-size:40px}
.page-wide h2{font-size:26px;margin-top:44px}
.page-wide>p,.page-wide>ul li,.page-wide>ol li{color:#334155;max-width:820px}
.privacy-pill{display:inline-block;background:#ecfdf5;border:1px solid #bbf7d0;color:#14532d!important;border-radius:12px;padding:10px 16px;font-size:16px}
.tool-callout{background:#ecfdf5;border:1px solid #bbf7d0;border-radius:14px;padding:14px 18px;margin:18px 0;color:#14532d}
.lf-drop{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;cursor:pointer;margin-top:22px;padding:42px 20px;border:2px dashed #c4b5fd;border-radius:20px;background:var(--soft);transition:background .15s,border-color .15s}
.lf-drop:hover,.lf-drop:focus,.lf-drop.over{background:#ede9fe;border-color:var(--pri);outline:none}
.lf-drop b{font-size:20px}.lf-drop .lf-ico{font-size:38px}
.lf-drop span{color:var(--mut)}.lf-drop .small{font-size:14px}
.lf-status{min-height:1.6em;color:#334155;font-size:15px;margin:12px 0 0}
.lf-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:14px 0 6px}
.lf-actions button.btn{border:0;cursor:pointer;font:inherit;font-weight:700}
.lf-actions .btn.ghost{border:2px solid #ddd6fe}
.lf-dec{font-size:14px;color:var(--mut)}.lf-dec select{font:inherit;padding:4px 6px;border-radius:8px;border:1px solid var(--line)}
.lf-link{background:none;border:0;color:var(--mut);text-decoration:underline;cursor:pointer;font:inherit;font-size:14px}
.lf-flash{background:#ecfdf5;border:1px solid #bbf7d0;color:#14532d;border-radius:10px;padding:8px 12px;font-size:14px;margin:6px 0}
.lf-legend{font-size:13px;color:var(--mut)!important;max-width:none!important}
.sw{display:inline-block;width:12px;height:12px;border-radius:3px;border:1px solid var(--line);vertical-align:-1px;margin-left:8px}
.lf-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.lf-table{border-collapse:collapse;font-size:13.5px;min-width:1500px;width:100%}
.lf-table th{background:var(--soft);text-align:left;padding:9px 8px;white-space:nowrap;font-size:12.5px;position:sticky;top:0}
.lf-table td{padding:7px 8px;border-top:1px solid var(--line);vertical-align:top}
.lf-table td[contenteditable]{min-width:70px;outline:none}
.lf-table td[contenteditable]:focus{box-shadow:inset 0 0 0 2px var(--pri2);background:#fff!important}
.lf-table td.num{text-align:right;white-space:nowrap}
.lf-table td.fn{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mut)}
.lf-table td.chk{font-size:12.5px;min-width:200px}.lf-table td.chk.ok{color:#15803d}.lf-table td.chk.ko{color:#9a3412}
.st-ok{background:#fff}.st-warn{background:#fef3c7}.st-missing{background:#fee2e2}.st-error{background:#fecaca;color:#7f1d1d;font-weight:700}
.badge{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:2px 9px;white-space:nowrap}
.b-ok{background:#dcfce7;color:#15803d}.b-rev{background:#fef3c7;color:#92400e}.b-scan{background:#e0e7ff;color:#3730a3}.b-err{background:#fee2e2;color:#991b1b}
.row-err td{color:#991b1b}
.lf-del{background:none;border:0;color:var(--mut);cursor:pointer;font-size:14px}
.lf-scan{background:#eef2ff;border:1px solid #c7d2fe;border-radius:18px;padding:20px 24px;margin-top:20px}
.lf-scan h2{margin-top:0!important;font-size:21px!important}.lf-scan p,.lf-scan li{color:#334155}.lf-scan .small{font-size:14px;color:var(--mut)}
.page-wide .cta-box{max-width:none}
.page-wide .cta-box ul li{margin-bottom:6px}
.lf-steps li{margin-bottom:8px}
.page-wide details{max-width:820px}
.disclaimer{font-size:14px;color:var(--mut)!important;border-top:1px solid var(--line);padding-top:18px;margin-top:40px}
@media (max-width:900px){.page-wide h1{font-size:30px}.lf-drop{padding:28px 14px}}
.row-scan td{background:#f8faff;color:#3730a3;font-size:13.5px}