:root{
  --bg:#F1F4F1; --surface:#FFFFFF; --ink:#13201B; --muted:#56665F; --line:#D3DBD6;
  --accent:#0A7A54; --accent-soft:#DDEFE6; --accent-ink:#FFFFFF; --warn:#A9520C; --warn-soft:#F7E9DB;
  --f-display:"Bricolage Grotesque","Arial Narrow",system-ui,sans-serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace; --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1613; --surface:#15201C; --ink:#E6EEE9; --muted:#9AAAA2; --line:#28362F;
  --accent:#39C28C; --accent-soft:#163327; --accent-ink:#06120D; --warn:#EFA35C; --warn-soft:#33251A; color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0E1613; --surface:#15201C; --ink:#E6EEE9; --muted:#9AAAA2; --line:#28362F;
  --accent:#39C28C; --accent-soft:#163327; --accent-ink:#06120D; --warn:#EFA35C; --warn-soft:#33251A; color-scheme:dark}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.65}
.wrap{max-width:1120px;margin:0 auto;padding-left:16px;padding-right:16px}
h1,h2,h3{font-family:var(--f-display);line-height:1.1;text-wrap:balance;margin:0}
a{color:var(--accent)}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lead{color:var(--muted);font-size:19px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--accent-ink);font-weight:700;line-height:1.2;min-height:48px;text-decoration:none;padding:12px 24px;border-radius:999px;border:2px solid var(--accent);font-size:16px;white-space:nowrap;box-shadow:0 6px 16px -8px rgba(10,122,84,.6)}
.btn:hover{background:#086645;border-color:#086645}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--ink);box-shadow:none}
.btn.small{min-height:40px;padding:8px 16px;font-size:14px}
header.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.logo{font-family:var(--f-display);font-weight:800;font-size:26px;letter-spacing:-.02em;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:2px}
.logo span{background:var(--accent);color:var(--accent-ink);padding:0 7px 2px;border-radius:6px;transform:rotate(-4deg);display:inline-block;margin-left:2px}
.links{display:flex;gap:24px}.links a{color:var(--muted);text-decoration:none;font-weight:500;font-size:15px;white-space:nowrap}.links a[aria-current="page"]{color:var(--ink)}
.ctas{display:flex;gap:8px;align-items:center;flex-shrink:0}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.menu-btn span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-movil{display:flex;flex-direction:column;padding:8px 16px 20px;border-top:1px solid var(--line);background:var(--bg)}
.menu-movil[hidden]{display:none}
.menu-movil>a{color:var(--ink);text-decoration:none;font:700 20px var(--f-display);padding:14px 4px;border-bottom:1px solid var(--line)}
.menu-ctas{display:flex;flex-direction:column;gap:10px;margin-top:18px}
@media (max-width:900px){.links{display:none}.menu-btn{display:flex}}
@media (max-width:520px){.ctas .hide-sm{display:none}.logo{font-size:23px}header.top .wrap{padding-block:10px}.cta .btn{width:100%}main{padding-top:20px}}
main{padding-block:28px 64px}
.miga{font-size:14px;color:var(--muted);margin-bottom:18px}.miga a{color:var(--muted)}
.post{max-width:760px}
.post-head{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.post-head h1{font-size:clamp(34px,5.5vw,54px);font-weight:800;letter-spacing:-.025em}
.resumen{background:var(--accent-soft);border-radius:var(--r);padding:20px 22px;margin-bottom:32px}
.resumen ul{margin:10px 0 0;padding-left:20px}.resumen li{margin:4px 0}
.texto h2{font-size:clamp(24px,3.4vw,30px);font-weight:700;margin:40px 0 12px}
.texto p{margin:0 0 14px}.texto ul,.texto ol{margin:0 0 16px;padding-left:22px}.texto li{margin:6px 0}
.ejemplo,.ecyt{border-radius:var(--r);padding:20px 22px;margin:24px 0;background:var(--surface);border:1px solid var(--line)}
.ejemplo table{width:100%;border-collapse:collapse;margin:10px 0;font-size:15px}
.ejemplo td{padding:8px 0;border-bottom:1px dashed var(--line)}.ejemplo td:last-child{text-align:right;font-family:var(--f-mono);padding-left:12px;min-width:5.5em}
.ejemplo tr.total td{font-weight:700;border-bottom:none;border-top:2px solid var(--ink)}
.ejemplo .nota{font-size:14px;color:var(--muted);margin:6px 0 0}
.ecyt{border-left:4px solid var(--warn);background:var(--warn-soft);border-color:transparent;border-left-color:var(--warn)}
.ecyt .eyebrow{color:var(--warn)}.ecyt p{margin:8px 0 0}
.cta{margin:44px 0;padding:28px;border-radius:var(--r);background:var(--ink);color:var(--bg);display:flex;flex-direction:column;gap:12px}
.cta h2{font-size:26px}.cta p{margin:0;opacity:.85}.cta .btn.ghost{color:var(--bg);border-color:rgba(255,255,255,.35)}
.cta div{display:flex;gap:10px;flex-wrap:wrap}
.rel h2{font-size:22px;margin-bottom:14px}
.rel ul,.lista{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.rel a,.lista a{display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.rel a:hover,.lista a:hover{border-color:var(--accent)}
.rel b,.lista b{font-family:var(--f-display);font-size:20px;line-height:1.2}
.lista .ent{color:var(--muted);font-size:15px}
.blog-home{max-width:860px}
footer{border-top:1px solid var(--line);padding-block:40px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-direction:column;gap:14px}footer .legal{max-width:80ch;margin:0}footer p{margin:0}footer .mail{color:var(--ink);user-select:all}

.fuente-wrap{margin:0 0 24px}
.fuente{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);text-decoration:none;border:1px solid var(--line);background:var(--surface);padding:8px 14px;border-radius:999px}
.fuente:hover{border-color:var(--accent)}.fuente span{color:#F2A900}
.fuente-box{margin:0 0 40px;padding:20px 22px;border:1px dashed var(--line);border-radius:var(--r);display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.fuente-box p{margin:0;color:var(--muted);font-size:15px}