/* Páginas legales de opus.com.mx — mismos tokens que index.html */
:root{
  --paper:#f2f2f2; --paper-2:#e6e6e6; --card:#ffffff;
  --ink:#0b1220; --ink-2:#3d4a5c; --ink-3:#6b7686;
  --rule:rgba(11,18,32,.12); --rule-2:rgba(11,18,32,.07);
  --red:#d7141e; --red-ink:#ae0f18;
  --ai:#1E88E5; --ai-ink:#1565c0; --ai-tint:#e6f0fb;
  --warn-bg:#fdf2f2;
  --logo-filter:brightness(0);
  --display:'Archivo','Inter',system-ui,sans-serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#0b0f17; --paper-2:#121824; --card:#111722;
  --ink:#eef1f5; --ink-2:#b4bdca; --ink-3:#8590a0;
  --rule:rgba(255,255,255,.12); --rule-2:rgba(255,255,255,.07);
  --ai-ink:#7ab8f0; --ai-tint:rgba(30,136,229,.16);
  --warn-bg:rgba(215,20,30,.1);
  --logo-filter:brightness(0) invert(1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0; background:var(--paper); color:var(--ink); font:16px/1.65 var(--sans)}
a{color:var(--ai-ink)}
.wrap{max-width:1100px; margin:0 auto; padding:0 1rem}

.top{position:sticky; top:0; z-index:5; background:var(--paper); border-bottom:1px solid var(--rule)}
.top .wrap{display:flex; align-items:center; justify-content:space-between; gap:1rem; height:60px}
.brand{display:flex; align-items:center; gap:.8rem; text-decoration:none}
.brand img{height:26px; width:auto; display:block}
.brand .eco{height:32px}
.brand .sep{width:1px; height:22px; background:var(--rule)}
.brand .eco-dark{display:none}
:root[data-theme="dark"] .brand .eco-dark{display:block}
:root[data-theme="dark"] .brand .eco-light{display:none}
.top nav{display:flex; gap:1.1rem; font-size:.9rem}
.top nav a{color:var(--ink-2); text-decoration:none}
.top nav a:hover,.top nav a[aria-current="page"]{color:var(--ink)}
.top nav a[aria-current="page"]{font-weight:600}
.theme-btn{background:none; border:1px solid var(--rule); color:var(--ink-2); border-radius:8px; padding:.3rem .55rem; cursor:pointer; font:inherit; font-size:.8rem}

.layout{display:grid; grid-template-columns:220px minmax(0,1fr); gap:3rem; padding-top:3rem; padding-bottom:4rem}
.toc{position:sticky; top:84px; align-self:start; font-size:.86rem}
.toc h4{font:600 .72rem var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--ink-3); margin:0 0 .7rem}
.toc ol{list-style:none; margin:0; padding:0; border-left:1px solid var(--rule)}
.toc li a{display:block; padding:.28rem 0 .28rem .9rem; color:var(--ink-2); text-decoration:none}
.toc li a:hover{color:var(--ink)}

.doc{max-width:760px}
.kicker{font:600 .75rem var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--red)}
.doc h1{font:800 clamp(2rem,4.5vw,2.8rem)/1.1 var(--display); letter-spacing:-.02em; margin:.4rem 0 .8rem}
.meta{color:var(--ink-3); font-size:.88rem; margin:0 0 2rem}
.doc h2{font:700 1.3rem/1.3 var(--display); margin:2.6rem 0 .7rem; padding-top:1.2rem; border-top:1px solid var(--rule-2); scroll-margin-top:80px}
.doc h3{font:600 1rem/1.4 var(--sans); margin:1.6rem 0 .4rem}
.doc p,.doc li{color:var(--ink-2)}
.doc strong{color:var(--ink)}
.doc ul,.doc ol{padding-left:1.25rem}
.doc li{margin:.3rem 0}

.summary{background:var(--card); border:1px solid var(--rule); border-radius:12px; padding:1.2rem 1.4rem; margin:0 0 1rem}
.summary h3{margin:0 0 .5rem; font:700 .95rem var(--display)}
.summary ul{margin:0}
.note{background:var(--ai-tint); border-radius:10px; padding:.9rem 1.1rem; margin:1.2rem 0; font-size:.94rem}
.warn{background:var(--warn-bg); border-left:3px solid var(--red); border-radius:0 10px 10px 0; padding:.9rem 1.1rem; margin:1.2rem 0; font-size:.94rem}

table{width:100%; border-collapse:collapse; font-size:.9rem; margin:1rem 0; display:block; overflow-x:auto}
th,td{text-align:left; padding:.6rem .7rem; border-bottom:1px solid var(--rule); vertical-align:top}
th{font:600 .74rem var(--mono); letter-spacing:.05em; text-transform:uppercase; color:var(--ink-3)}
td{color:var(--ink-2)}

.cards{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin:2rem 0}
.card{display:block; background:var(--card); border:1px solid var(--rule); border-radius:12px; padding:1.3rem; text-decoration:none; color:var(--ink)}
.card:hover{border-color:var(--ai)}
.card b{display:block; font:700 1.05rem var(--display); margin-bottom:.35rem}
.card span{color:var(--ink-2); font-size:.9rem}

.foot{border-top:1px solid var(--rule); padding:1.6rem 0 2.4rem; font-size:.84rem; color:var(--ink-3)}
.foot .wrap{display:flex; flex-wrap:wrap; justify-content:space-between; gap:.8rem}
.foot a{color:var(--ink-2); text-decoration:none; margin-left:1rem}
.foot a:first-child{margin-left:0}

@media (max-width:860px){
  .layout{grid-template-columns:1fr; gap:1.2rem; padding-top:1.8rem}
  .brand .eco,.brand .sep{display:none !important}
  .toc{position:static}
  .cards{grid-template-columns:1fr}
  .top nav{display:none}
}
@media print{
  .top,.toc,.foot,.theme-btn{display:none}
  .layout{display:block; padding:0}
  body{background:#fff; color:#000}
}