:root{--bg:#fbfaf7;--sf:#fff;--ink:#16211d;--mut:#55625d;--line:#e3e6e1;--ac:#0b7a5c;--ac2:#065a43;--acs:#e6f4ee;--warn:#fff4e0;--warnb:#d98a00;--alert:#fdeceb;--alertb:#c0392b;--r:12px;--max:72rem;--txt:42rem}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:4.5rem}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--ac2);text-underline-offset:.15em}
a:hover{color:var(--ac)}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:99}
.skip:focus{left:0}
:focus-visible{outline:3px solid #f0b400;outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.top .wrap{display:flex;align-items:center;gap:.75rem;min-height:3.75rem}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em;margin-right:auto}
.logo b{color:var(--ac)}
.logo svg{flex:none}
.nav{display:none}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem;padding:.5rem .6rem;border-radius:8px}
.nav a:hover,.nav a[aria-current]{background:var(--acs);color:var(--ac2)}
.sbtn{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:10px;color:var(--ink)}
.sbtn:hover{background:var(--acs)}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:10px}
.menu summary::-webkit-details-marker{display:none}
.menu[open] summary{background:var(--acs)}
.menu .panel{position:absolute;right:0;top:3.1rem;background:var(--sf);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 10px 30px rgba(0,0,0,.1);padding:.5rem;min-width:15rem;display:flex;flex-direction:column}
.menu .panel a{padding:.7rem .8rem;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600}
.menu .panel a:hover{background:var(--acs)}
@media(min-width:62rem){.nav{display:flex;gap:.15rem}.menu{display:none}}
/* layout */
main{display:block;padding-bottom:3rem}
.crumbs{font-size:.875rem;color:var(--mut);margin:1rem 0 .5rem}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.25rem}
.crumbs li+li::before{content:"›";margin-right:.25rem;color:#9aa49f}
.crumbs a{color:var(--mut)}
h1,h2,h3{line-height:1.25;letter-spacing:-.015em}
h1{font-size:clamp(1.85rem,5.5vw,2.75rem);margin:.4rem 0 .75rem}
h2{font-size:clamp(1.35rem,3.6vw,1.7rem);margin:2.4rem 0 .75rem}
h3{font-size:1.18rem;margin:1.6rem 0 .5rem}
.meta{display:flex;flex-wrap:wrap;gap:.35rem 1rem;color:var(--mut);font-size:.9rem;margin-bottom:1.25rem}
.meta a{color:var(--mut)}
.art{display:grid;gap:2rem}
.prose{max-width:var(--txt);min-width:0}
.prose p,.prose li{max-width:var(--txt)}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin:.3rem 0}
.lead{font-size:1.2rem;line-height:1.55;color:#24302b}
.clave,.nota,.alerta{border-radius:var(--r);padding:1rem 1.15rem;margin:1.5rem 0;border:1px solid}
.clave{background:var(--acs);border-color:#bfe1d2}
.clave>strong:first-child{display:block;text-transform:uppercase;letter-spacing:.06em;font-size:.8rem;color:var(--ac2);margin-bottom:.25rem}
.clave ul{margin:.25rem 0 0}
.nota{background:var(--warn);border-color:#f2d39b}
.alerta{background:var(--alert);border-color:#f0b9b3}
.alerta::before{content:"Importante: ";font-weight:700;color:var(--alertb)}
.nota>:first-child,.alerta>:first-child{margin-top:0}.nota>:last-child,.alerta>:last-child,.clave>:last-child{margin-bottom:0}
.tabla-wrap{overflow-x:auto;margin:1.25rem 0;border:1px solid var(--line);border-radius:var(--r);background:var(--sf);-webkit-overflow-scrolling:touch}
.tabla{border-collapse:collapse;width:100%;font-size:.95rem;min-width:30rem}
.tabla th,.tabla td{padding:.6rem .75rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tabla thead th{background:#f1f4f1;font-weight:700;white-space:nowrap}
.tabla tbody tr:last-child td{border-bottom:0}
.toc{background:var(--sf);border:1px solid var(--line);border-radius:var(--r);padding:.25rem 1rem;margin:1rem 0 1.5rem}
.toc summary{cursor:pointer;font-weight:700;padding:.6rem 0}
.toc ol{margin:.25rem 0 .9rem;padding-left:1.25rem;font-size:.95rem}
.toc li{margin:.25rem 0}
.faq details{background:var(--sf);border:1px solid var(--line);border-radius:var(--r);margin:.6rem 0;padding:0 1rem}
.faq summary{cursor:pointer;font-weight:650;padding:.85rem 0;list-style-position:outside}
.faq details[open] summary{border-bottom:1px solid var(--line);margin-bottom:.5rem}
.faq details p{margin:.5rem 0 1rem}
.side{display:none}
@media(min-width:62rem){.art{grid-template-columns:minmax(0,1fr) 17rem}.side{display:block}.side .stick{position:sticky;top:5rem}.toc.inline{display:none}}
.side h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin:0 0 .5rem}
.side ol{list-style:none;padding:0;margin:0 0 1.5rem;font-size:.9rem;border-left:2px solid var(--line)}
.side ol a{display:block;padding:.3rem .75rem;color:var(--mut);text-decoration:none}
.side ol a:hover{color:var(--ac2)}
.box{background:var(--sf);border:1px solid var(--line);border-radius:var(--r);padding:1rem}
.box p{margin:.3rem 0;font-size:.92rem}
.refs{font-size:.92rem;color:var(--mut)}
.refs li{margin:.35rem 0}
.byline{margin-top:2.5rem;padding:1rem 1.15rem;border:1px solid var(--line);border-radius:var(--r);background:var(--sf);font-size:.93rem;color:var(--mut)}
.byline strong{color:var(--ink)}
/* cards */
.grid{display:grid;gap:1rem;grid-template-columns:1fr}
@media(min-width:40rem){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:62rem){.grid.g3{grid-template-columns:repeat(3,1fr)}}
.card{display:block;background:var(--sf);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.15rem;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--ac);color:var(--ink);transform:translateY(-2px)}
.card h3{margin:0 0 .35rem;font-size:1.08rem;color:var(--ac2)}
.card p{margin:0;color:var(--mut);font-size:.95rem}
.card .k{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin-bottom:.35rem}
.hero{padding:2.5rem 0 1.5rem}
.hero p.sub{font-size:1.2rem;color:#2c3833;max-width:40rem}
.hero h1{font-size:clamp(2.1rem,7vw,3.4rem);max-width:48rem}
.paths{display:grid;gap:.75rem;grid-template-columns:1fr;margin:1.5rem 0}
@media(min-width:40rem){.paths{grid-template-columns:repeat(2,1fr)}}
@media(min-width:62rem){.paths{grid-template-columns:repeat(4,1fr)}}
.path{display:flex;flex-direction:column;gap:.25rem;padding:1rem 1.1rem;border-radius:var(--r);background:var(--ink);color:#fff;text-decoration:none;min-height:6.5rem}
.path:hover{background:var(--ac2);color:#fff}
.path span{font-size:.85rem;opacity:.8}
.path strong{font-size:1.1rem}
.sec{margin:3rem 0}
.sec>h2{margin-top:0}
.sec .more{display:inline-block;margin-top:1rem;font-weight:700}
.band{background:var(--acs);border-radius:calc(var(--r)*1.5);padding:1.5rem 1.25rem}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:.75rem}
@media(min-width:62rem){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;background:var(--sf);border-radius:var(--r);padding:1rem;border:1px solid #cfe7dc}
.steps li::before{content:counter(s);display:inline-flex;width:1.8rem;height:1.8rem;align-items:center;justify-content:center;border-radius:50%;background:var(--ac);color:#fff;font-weight:700;margin-bottom:.4rem}
/* tools */
.tool{background:var(--sf);border:1px solid var(--line);border-radius:calc(var(--r)*1.25);padding:1.15rem;margin:1.25rem 0 2rem;box-shadow:0 2px 0 rgba(0,0,0,.02)}
.tool fieldset{border:0;padding:0;margin:0}
.fields{display:grid;gap:.85rem;grid-template-columns:1fr}
@media(min-width:36rem){.fields{grid-template-columns:repeat(2,1fr)}}
.tool label{display:block;font-weight:650;font-size:.95rem;margin-bottom:.3rem}
.tool .h{display:block;font-weight:400;color:var(--mut);font-size:.82rem}
.tool input,.tool select{width:100%;font:inherit;padding:.65rem .75rem;border:1px solid #c9cfca;border-radius:10px;background:#fff;color:var(--ink);min-height:2.9rem}
.tool input:focus,.tool select:focus{border-color:var(--ac);outline:2px solid var(--acs)}
.out{margin-top:1.15rem;display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr))}
.stat{background:var(--acs);border-radius:10px;padding:.75rem .85rem}
.stat b{display:block;font-size:1.45rem;line-height:1.2;color:var(--ac2);font-variant-numeric:tabular-nums}
.stat span{font-size:.82rem;color:var(--mut)}
.explain{margin-top:1rem;font-size:.95rem;color:#2c3833}
.explain:empty{display:none}
.bar{height:.6rem;border-radius:99px;background:#e6ebe7;overflow:hidden;margin:.3rem 0 .6rem}
.bar i{display:block;height:100%;background:var(--ac)}
.score{font-size:3rem;font-weight:800;color:var(--ac2);line-height:1}
.zones td:first-child{font-weight:700}
/* search */
.search input{width:100%;font:inherit;font-size:1.1rem;padding:.85rem 1rem;border:2px solid var(--line);border-radius:var(--r)}
.search input:focus{border-color:var(--ac);outline:0}
.results{list-style:none;padding:0}
.results li{padding:.85rem 0;border-bottom:1px solid var(--line)}
.results a{font-weight:700}
.results p{margin:.2rem 0 0;color:var(--mut);font-size:.95rem}
/* footer */
.foot{background:#13201b;color:#c9d3cf;padding:2.5rem 0 1.5rem;font-size:.93rem}
.foot a{color:#e9efec;text-decoration:none}
.foot a:hover{text-decoration:underline;color:#fff}
.foot .cols{display:grid;gap:1.5rem;grid-template-columns:1fr 1fr}
@media(min-width:62rem){.foot .cols{grid-template-columns:2fr 1fr 1fr 1fr 1fr}}
.foot h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:#8fa39b;margin:0 0 .6rem}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:.35rem 0}
.foot .about{grid-column:1/-1}
@media(min-width:62rem){.foot .about{grid-column:auto}}
.foot .legal{border-top:1px solid #2a3a33;margin-top:2rem;padding-top:1rem;font-size:.85rem;color:#8fa39b}
@media print{.top,.foot,.side,.toc{display:none}}