/* ════════════════════════════════════════════════════════════════
   SISTEMA VISUAL «ARTE» — portado a la Universidad (valores, no código)
   Fuente de verdad: polanco-digital-hq · src/components/arte/tokens.ts
   tinta #0A0A0F · tinta-2 #101018 · superficie #17171F
   marfil #F4EEE3 · marfil-2 #EAE1D0
   oro #C6A15B (acento único) · oro-claro #E3C888 · oro-oscuro #8C6D2F
   Pares WCAG del sistema: marfil/tinta 17.10 · oro/tinta 8.14 ·
   oro-claro/tinta 12.12 · tinta/marfil-2 15.22 · tinta/oro 8.14 ·
   oro-oscuro/marfil 4.19 (SOLO texto grande ≥24px o eyebrow
   acompañado junto a titular tinta — nunca cuerpo pequeño).
   ════════════════════════════════════════════════════════════════ */
@font-face{font-family:"DM Serif Display";font-style:normal;font-weight:400;font-display:swap;
  src:url("fonts/dm-serif-display-normal-400-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"DM Serif Display";font-style:normal;font-weight:400;font-display:swap;
  src:url("fonts/dm-serif-display-normal-400-latin-ext.woff2") format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"DM Serif Display";font-style:italic;font-weight:400;font-display:swap;
  src:url("fonts/dm-serif-display-italic-400-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"DM Serif Display";font-style:italic;font-weight:400;font-display:swap;
  src:url("fonts/dm-serif-display-italic-400-latin-ext.woff2") format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Archivo";font-style:normal;font-weight:400 700;font-display:swap;
  src:url("fonts/archivo-normal-400-700-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Archivo";font-style:normal;font-weight:400 700;font-display:swap;
  src:url("fonts/archivo-normal-400-700-latin-ext.woff2") format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{
  /* ARTE (valores de tokens.ts) */
  --tinta:#0A0A0F; --tinta-2:#101018; --superficie:#17171F;
  --marfil:#F4EEE3; --marfil-2:#EAE1D0;
  --oro:#C6A15B; --oro-claro:#E3C888; --oro-oscuro:#8C6D2F;
  --hairline-oro:rgba(198,161,91,.2); --hairline-tinta:rgba(10,10,15,.12);
  --sombra-arte:0 30px 60px -15px rgba(0,0,0,.55);
  --ease-arte:cubic-bezier(.22,1,.36,1);
  --serif:"DM Serif Display",Georgia,serif;
  --texto:"Archivo","Helvetica Neue",Arial,sans-serif;
  /* Variables heredadas del interior, remapeadas a ARTE (spec §4):
     --ink→tinta · --bg→marfil-2 · --card→marfil · --line→tinta 12% ·
     --gold→oro · --gold-d→oro-oscuro · el azul queda ELIMINADO. */
  --ink:#0A0A0F; --gray:#59595e; --line:rgba(10,10,15,.12); --bg:#EAE1D0; --card:#F4EEE3;
  --gold:#C6A15B; --gold-d:#8C6D2F; --radius:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--texto);
  background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
/* Foco visible del sistema: contorno oro 2px con offset (WCAG AA). */
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--oro-oscuro);outline-offset:2px}
.site-drawer a:focus-visible,.site-drawer button:focus-visible{outline-color:var(--oro)}
/* ---------- Concha: barra superior (marfil translúcida, casa ARTE) ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(244,238,227,.88);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--hairline-oro)}
.topbar-in{display:flex;align-items:center;gap:12px;height:64px;position:relative;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex:none;min-width:0;text-decoration:none;margin-right:auto}
.brand-logo{width:38px;height:38px;border-radius:10px;object-fit:cover;flex:none;display:block;
  box-shadow:0 0 0 1px rgba(198,161,91,.4)}
/* Lockup de marca en DOS líneas (spec §4): el nombre completo se lee
   sin nowrap sobre el nombre largo — «UNIVERSIDAD» eyebrow oro-oscuro
   + «Polanco Digital» serif 19px. Ancho ≈150px; fila total ≈290px a
   375px (< 331px útiles): la regresión histórica queda imposible. */
.brand-lockup{display:flex;flex-direction:column;gap:2px;line-height:1;min-width:0}
.brand-eyebrow{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--oro-oscuro);white-space:nowrap}
.brand-name{font-family:var(--serif);font-weight:400;font-size:19px;line-height:1.05;
  letter-spacing:0;color:var(--ink);white-space:nowrap}
.uninav{border-top:1px solid var(--hairline-tinta)}
.uninav-in{display:flex;align-items:center;gap:18px;min-height:48px;min-width:0}
#main-nav{display:flex;gap:18px;align-items:center;overflow-x:auto;scrollbar-width:none}
#main-nav::-webkit-scrollbar{display:none}
#main-nav a{color:var(--ink);text-decoration:none;font-size:14px;flex:none;white-space:nowrap;
  padding:13px 0;box-shadow:inset 0 -2px 0 transparent;
  transition:box-shadow 300ms var(--ease-arte),color 300ms var(--ease-arte)}
#main-nav a:hover{color:var(--oro-oscuro);box-shadow:inset 0 -2px 0 var(--oro)}
#auth-area{margin-left:auto}
/* Botones de la concha: 40×40 FIJOS, flex none — forma estable siempre. */
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;
  border:1px solid rgba(10,10,15,.35);background:transparent;border-radius:12px;cursor:pointer;color:var(--ink);padding:0;
  transition:border-color 300ms var(--ease-arte),color 300ms var(--ease-arte)}
.nav-toggle:hover{border-color:var(--oro-oscuro);color:var(--oro-oscuro)}
.nav-toggle .icon-close{display:none}
.nav-toggle[aria-expanded="true"] .icon-menu{display:none}
.nav-toggle[aria-expanded="true"] .icon-close{display:block}
.lang-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;
  border:1px solid rgba(10,10,15,.35);background:transparent;border-radius:12px;padding:0;
  font-family:var(--texto);font-size:13px;font-weight:600;cursor:pointer;color:var(--ink);white-space:nowrap;
  transition:border-color 300ms var(--ease-arte),color 300ms var(--ease-arte)}
.lang-btn:hover{border-color:var(--oro-oscuro);color:var(--oro-oscuro)}
@media(max-width:400px){
  .wrap{padding:0 16px}
  .topbar-in{gap:8px}
  .brand{gap:8px}
  .brand-name{font-size:17.5px}
  .uninav-in{gap:12px}
  #main-nav{gap:12px}
}
/* ---------- Cajón lateral del ecosistema (concha compartida) ----------
   Drawer ARTE: única superficie oscura de la concha — fondo tinta,
   texto marfil, grupos en eyebrow oro, iconos SVG de línea en oro. */
.site-drawer{position:fixed;top:0;left:0;height:100dvh;width:min(320px,86vw);background:var(--tinta);color:var(--marfil);z-index:200;transform:translateX(-105%);transition:transform 300ms var(--ease-arte);box-shadow:var(--sombra-arte);display:flex;flex-direction:column}
.site-drawer.open{transform:none}
.drawer-scrim{position:fixed;inset:0;background:rgba(10,10,15,.55);z-index:190;animation:drawer-scrim-in 300ms var(--ease-arte)}
.drawer-scrim[hidden]{display:none}
@keyframes drawer-scrim-in{from{opacity:0}to{opacity:1}}
.drawer-head{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--hairline-oro)}
.drawer-logo{border-radius:9px;object-fit:cover;flex:none;display:block;box-shadow:0 0 0 1px rgba(198,161,91,.4)}
.drawer-lockup .brand-eyebrow{font-size:11px;color:var(--oro)}
.drawer-lockup .brand-name{color:var(--marfil)}
.drawer-close{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;border:1px solid transparent;background:transparent;border-radius:12px;cursor:pointer;color:var(--marfil);padding:0;transition:border-color 300ms var(--ease-arte),background-color 300ms var(--ease-arte)}
.drawer-close:hover{border-color:var(--hairline-oro);background:var(--superficie)}
.drawer-nav{overflow-y:auto;padding:10px 12px 18px}
.drawer-group{font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--oro);margin:16px 8px 6px}
.drawer-link{display:flex;align-items:center;gap:12px;padding:11px 8px;border-radius:10px;color:var(--marfil);text-decoration:none;font-size:15px;transition:background-color 300ms var(--ease-arte),color 300ms var(--ease-arte)}
.drawer-link:hover{background:var(--superficie)}
.drawer-link svg{color:var(--oro);flex:none}
.drawer-link.is-current{background:var(--superficie);color:var(--oro-claro);font-weight:600}
.drawer-link.is-current svg{color:var(--oro-claro)}
.drawer-login{margin-top:14px;border-top:1px solid var(--hairline-oro);border-radius:0;padding-top:16px;font-weight:600}
body.drawer-open{overflow:hidden}
#app{padding:40px 22px 70px;min-height:70vh}
/* Pie ARTE: marfil en continuidad con el cuerpo, hairline oro 20%,
   nota legal íntegra en tinta al 60% (compuesto #686564 = 5.0:1 AA). */
footer{background:var(--marfil);border-top:1px solid var(--hairline-oro);padding:26px 0 40px;color:#686564;font-size:13px}

.hero{text-align:center;padding:56px 0 40px}
.hero h1{font-family:var(--serif);font-size:clamp(34px,6vw,56px);font-weight:400;letter-spacing:0;line-height:1.08}
.hero h1 .gold{color:var(--oro-oscuro);font-style:italic}
.hero p{color:var(--gray);font-size:19px;max-width:640px;margin:18px auto 0}
.stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 26px;text-align:center}
.stat b{font-size:26px;display:block}
.stat span{color:var(--gray);font-size:13px}

.sec-title{font-family:var(--serif);font-size:32px;font-weight:400;letter-spacing:0;margin:44px 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;text-decoration:none;color:var(--ink);display:block;transition:.18s}
.card:hover{transform:translateY(-3px);border-color:rgba(140,109,47,.45);box-shadow:0 24px 48px -24px rgba(10,10,15,.25)}
.card .kicker{font-size:12px;font-weight:700;color:var(--gold-d);text-transform:uppercase;letter-spacing:.08em}
.card h3{font-size:20px;margin:8px 0 6px;letter-spacing:-.01em}
.card p{color:var(--gray);font-size:14.5px}
.card .meta{margin-top:12px;font-size:13px;color:var(--gray)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 18px;
  font-size:14px;font-weight:600;color:var(--ink);text-decoration:none}
.chip:hover{border-color:var(--gold-d);color:var(--gold-d)}

.pbar{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin-top:12px}
.pbar i{display:block;height:100%;background:var(--gold);border-radius:99px;transition:width .3s}
.plabel{font-size:13px;color:var(--gray);margin-top:6px}

.curso-head{margin:10px 0 26px}
.curso-head .kicker{font-size:13px;font-weight:700;color:var(--gold-d);text-transform:uppercase;letter-spacing:.08em}
.curso-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(30px,4.5vw,44px);letter-spacing:0;line-height:1.12;margin:8px 0}
.curso-head p.lead{color:var(--gray);font-size:17px;max-width:720px}
.obj-list{margin:14px 0 0 20px;color:var(--ink)}
.mod{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin-bottom:14px;overflow:hidden}
.mod>button{width:100%;text-align:left;background:none;border:0;padding:18px 22px;font-size:16px;
  font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.mod .lecciones{display:none;border-top:1px solid var(--line)}
.mod.open .lecciones{display:block}
.leccion-row{display:flex;align-items:center;gap:12px;padding:13px 22px;text-decoration:none;
  color:var(--ink);border-bottom:1px solid var(--line);font-size:15px}
.leccion-row:last-child{border-bottom:0}
.leccion-row:hover{background:#f5f5f7}
.dot{width:22px;height:22px;border-radius:50%;border:2px solid #c7c7cc;flex:none;display:inline-flex;
  align-items:center;justify-content:center;font-size:13px;color:#fff}
.dot.done{background:#34c759;border-color:#34c759}
.dot.done::after{content:"✓"}

.lec-objetivo{background:rgba(198,161,91,.12);border-left:4px solid var(--gold-d);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:22px 0;font-size:15.5px}
.lec-body{font-size:17px;line-height:1.75;max-width:760px}
.lec-body p{margin-bottom:1.1em}
.lec-body strong{font-weight:700}
.terms{margin:26px 0;font-size:15px}
.terms span{background:#f5f5f7;border-radius:8px;padding:4px 12px;margin:0 8px 8px 0;display:inline-block}
.quiz{margin:30px 0;max-width:760px}
.quiz h3{font-size:20px;margin-bottom:14px}
.q{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
.q p{font-weight:600;margin-bottom:8px}
.q .a{display:none;color:var(--ink);background:rgba(198,161,91,.12);border-radius:10px;padding:12px 16px;margin-top:8px}
.q.show .a{display:block}
.q button{background:none;border:1px solid var(--gold-d);color:var(--gold-d);border-radius:999px;
  padding:6px 16px;font-size:13.5px;font-weight:600;cursor:pointer}
.lec-nav{display:flex;justify-content:space-between;gap:12px;margin:36px 0;flex-wrap:wrap}
.btn{background:var(--gold);color:var(--tinta);border:0;border-radius:999px;padding:12px 28px;font-size:15px;
  font-weight:600;cursor:pointer;text-decoration:none;display:inline-block;
  transition:background-color 300ms var(--ease-arte),transform 300ms var(--ease-arte)}
.btn:hover{background:var(--oro-claro)}
.btn:active{transform:scale(.98)}
.btn.ghost{background:var(--card);color:var(--gold-d);border:1px solid var(--gold-d)}
.btn.done{background:#34c759}
.back{display:inline-block;margin-bottom:18px;color:var(--gold-d);text-decoration:none;font-size:15px}

.search-box{display:flex;gap:10px;margin:24px 0}
.search-box input{flex:1;min-width:0;border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:16px}
.search-box .btn,.search-box button{white-space:nowrap;flex:none}
.result{border-bottom:1px solid var(--line);padding:16px 4px}
.result a{color:var(--gold-d);text-decoration:none;font-weight:600;font-size:16px}
.result p{color:var(--gray);font-size:14px;margin-top:4px}
.empty{text-align:center;color:var(--gray);padding:60px 0}
@media(max-width:640px){.hero{padding:36px 0 26px}.sec-title{font-size:23px}}

/* ---------- Auth (login con Google) ---------- */
.auth-area{display:inline-flex;align-items:center;gap:10px;flex:none}
.auth-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(10,10,15,.35);
  background:transparent;color:var(--ink);border-radius:999px;padding:8px 16px;font-size:14px;min-height:40px;
  font-weight:600;cursor:pointer;font-family:inherit;white-space:nowrap;flex:none;
  transition:border-color 300ms var(--ease-arte),color 300ms var(--ease-arte)}
.auth-btn:hover{border-color:var(--oro-oscuro);color:var(--oro-oscuro)}
.auth-btn.ghost{background:transparent;border-color:transparent;color:var(--gray)}
.auth-btn.ghost:hover{color:var(--ink);background:transparent;text-decoration:underline}
.auth-user{display:inline-flex;align-items:center;gap:8px;max-width:180px}
.auth-avatar{width:28px;height:28px;border-radius:50%;background:var(--gold);color:var(--tinta);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:none}
.auth-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.auth-rol{display:inline-block;background:var(--gold);color:var(--tinta);font-size:11.5px;font-weight:700;
  padding:3px 10px;border-radius:999px;white-space:nowrap;flex:none}
@media(max-width:640px){.auth-name{display:none}.auth-btn.google{font-size:13px;padding:8px 12px}}

/* ---------- Formato rico v2: multimedia, actividades, exámenes, adaptativo ---------- */
.media{margin:22px 0}
.vwrap{position:relative;padding-bottom:56.25%;height:0;border-radius:16px;overflow:hidden;background:#000}
.vwrap iframe{position:absolute;top:0;left:0;width:100%;height:100%}
.media .pie,.media figcaption{color:var(--gray);font-size:13px;margin-top:8px;text-align:center}
.media img{max-width:100%;border-radius:16px;display:block;margin:0 auto}
.lec-tools{margin:14px 0}
#cuerpo.simple-on .lec-body{display:none}
#cuerpo-simple{margin:14px 0}
.hide{display:none!important}
.btn.on{background:#e8f5e9;border-color:#34c759}
.act{background:#f5f5f7;border-radius:16px;padding:18px;margin:18px 0}
.act h4{margin:0 0 10px;font-size:17px}
.act .hint{color:var(--gray);font-size:13px;margin:0 0 10px}
.fcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.fcard{perspective:600px;cursor:pointer;min-height:96px}
.fin{position:relative;width:100%;height:100%;min-height:96px;transform-style:preserve-3d;transition:transform .4s}
.fcard.flip .fin{transform:rotateY(180deg)}
.ff,.fb{position:absolute;inset:0;backface-visibility:hidden;border-radius:12px;display:flex;align-items:center;justify-content:center;padding:12px;font-size:14px;font-weight:600;text-align:center}
.ff{background:#fff;border:1px solid var(--line)}
.fb{background:#0A0A0F;color:#fff;transform:rotateY(180deg);font-weight:400}
.osort{list-style:none;padding:0;margin:0 0 10px}
.osort li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:6px 0;cursor:pointer}
.osort li.sel{border-color:var(--gold-d);background:rgba(198,161,91,.16)}
.blank{border:none;border-bottom:2px solid var(--gold-d);font-size:16px;padding:2px 6px;margin:0 4px;background:transparent}
.blank:focus{outline:none;border-color:#34c759}
.ctext{font-size:16px;line-height:2;margin-bottom:10px}
.ares{font-weight:600;margin-left:8px}
.act .fb{background:#e8f5e9;border-radius:10px;padding:10px 14px;margin-top:10px}
.opt{display:block;width:100%;text-align:left;margin:6px 0}
.relgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rl.ok,.rr.ok{border-color:#34c759!important;background:#e8f5e9!important}
.rr.bad{border-color:#ff3b30!important}
.q .qbtns{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.btn.sm{padding:6px 12px;font-size:13px}
.linklike{background:none;border:none;color:var(--gold-d);cursor:pointer;font-size:13px;padding:6px}
.sres{font-size:14px;margin-top:6px}
.qok{border-left:4px solid #34c759;padding-left:12px}
.qbad{border-left:4px solid #ff3b30;padding-left:12px}
label.opt{display:flex;gap:10px;align-items:flex-start;background:#f5f5f7;border-radius:10px;padding:10px 14px;margin:6px 0;cursor:pointer;font-size:15px}
.ruta-bar{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.ruta-stats{display:flex;gap:12px;margin:16px 0}
.ruta-stats .stat{flex:1;background:#f5f5f7;border-radius:14px;padding:14px;text-align:center}
.rtag{font-size:12px;font-weight:700;margin-left:auto;padding:2px 10px;border-radius:999px;white-space:nowrap}
.rtag.dom{background:#e8f5e9;color:#1a7f37}
.rtag.mid{background:#fff4e0;color:#b26a00}
.rtag.low{background:#ffe9e9;color:#c62828}
.mbadge{font-size:11px;font-weight:700;margin-left:8px;padding:1px 8px;border-radius:999px}
.mbadge.dom{background:#e8f5e9;color:#1a7f37}
.mbadge.mid{background:#fff4e0;color:#b26a00}
.leccion-row{display:flex;align-items:center;gap:10px}
@media(max-width:640px){.relgrid{grid-template-columns:1fr}.ruta-stats{flex-direction:column}}

/* ---------- Planes, paywall y certificado ---------- */
.btn[disabled]{opacity:.6;cursor:wait}
.planes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:10px 0 30px}
.plan-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column}
.plan-card.destacado{border:2px solid var(--gold);box-shadow:0 12px 32px rgba(184,134,11,.14)}
.plan-card h3{font-size:20px;letter-spacing:-.01em}
.plan-precio{font-size:38px;font-weight:700;letter-spacing:-.02em;margin:10px 0 4px}
.plan-precio span{font-size:15px;font-weight:600;color:var(--gray)}
.plan-card ul{list-style:none;margin:14px 0 20px}
.plan-card li{position:relative;padding:6px 0 6px 26px;font-size:14.5px;color:var(--ink)}
.plan-card li::before{content:"✓";position:absolute;left:2px;top:6px;color:var(--gold-d);font-weight:700}
.plan-action{margin-top:auto}
.plan-badge{display:inline-block;background:#e8f5e9;color:#1a7f37;font-size:12.5px;font-weight:700;
  padding:4px 12px;border-radius:999px}
.plan-card .hint{color:var(--gray);font-size:13px;margin-top:8px}
.reconocido-card{padding:22px 26px;margin:0 0 20px;border:2px solid var(--gold)}
.reconocido-card h3{font-size:19px;margin-bottom:6px}
.reconocido-card p{font-size:14.5px}
.admin-card{padding:26px;max-width:720px}
.admin-card p{margin:6px 0;font-size:15px}
.admin-card h3{margin:18px 0 6px;font-size:17px}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:16px;max-width:720px}
.admin-stat{padding:18px;display:flex;flex-direction:column;gap:4px}
.admin-stat b{font-size:28px;letter-spacing:-.02em}
.admin-stat span{color:var(--gray);font-size:13px}
.plan-error{color:#c62828;font-size:13.5px;font-weight:600;margin-top:8px}
.plan-error:empty{margin-top:0}
.lock-ico{display:inline-flex;align-items:center;color:var(--gray);flex:none}
.leccion-row.locked{color:var(--gray)}
.paywall{max-width:560px;margin:30px auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:40px 34px;text-align:center}
.paywall-lock{color:var(--gold-d);display:flex;justify-content:center;margin-bottom:16px}
.paywall h2{font-size:24px;letter-spacing:-.01em;margin-bottom:10px}
.paywall p{color:var(--gray);font-size:15.5px;margin-bottom:14px}
.paywall .hint{font-size:13.5px;margin:14px 0 0}
.banner-plan{background:rgba(198,161,91,.12);border-left:4px solid var(--gold-d);border-radius:0 12px 12px 0;
  padding:14px 18px;margin:16px 0;font-size:15px}
.banner-plan a{color:var(--gold-d);font-weight:600;text-decoration:none;white-space:nowrap}
.banner-plan a:hover{text-decoration:underline}
.certificado{border:3px double var(--gold);border-radius:6px;padding:48px 40px;text-align:center;
  background:#fff;max-width:820px;margin:10px auto}
.certificado .cert-logo{border-radius:14px;object-fit:cover}
.certificado h1{font-size:30px;letter-spacing:.14em;text-transform:uppercase;margin:20px 0 6px}
.certificado .cert-otorga{color:var(--gray);font-size:15px}
.cert-nombre{font-size:30px;font-weight:700;letter-spacing:-.01em;margin:14px 0 10px;
  display:inline-block;border-bottom:2px solid var(--gold);padding:0 26px 8px}
.certificado .cert-curso{font-size:22px;margin:12px 0}
.certificado p{color:var(--ink);font-size:15.5px;margin:6px 0}
.cert-firma{margin-top:34px!important;color:var(--gray)!important;font-size:14px;
  border-top:1px solid var(--line);display:inline-block;padding-top:10px}
@media print{
  header,footer,.no-print,#drawer-scrim,.site-drawer{display:none!important}
  #app{padding:0}
  .certificado{border:none}
}

/* Diploma: código de verificación y página pública */
.certificado .cert-codigo{font-size:15px;margin-top:16px}
.certificado .cert-codigo b{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.08em}
.certificado .cert-verifica{font-size:12.5px;color:var(--gray);word-break:break-all}
.verif-card{border:1px solid var(--border,#ddd);border-radius:10px;padding:20px 22px;margin-top:18px;max-width:560px}
.verif-card.ok{border-color:#1e7d46;background:#f2faf5}
.verif-card.bad{border-color:#b3261e;background:#fdf3f2}
.verif-card p{margin:4px 0;font-size:15px}
.verif-card .verif-nombre{font-size:19px;font-weight:700}
@media print{ .cert-codigo,.cert-verifica{color:#000} }

/* ---------- ARTE: refinamientos por herencia de tokens (spec §4) ----------
   Eyebrow acompañado del sistema: guion oro-oscuro + etiqueta junto al
   titular tinta (único uso de oro-oscuro en texto pequeño sobre claro). */
.card .kicker,.curso-head .kicker{display:flex;align-items:center;gap:8px}
.card .kicker::before,.curso-head .kicker::before{content:"";width:20px;height:1px;background:var(--oro-oscuro);flex:none}
.banner-plan{border-left-color:var(--gold)}
.lec-objetivo{border-left-color:var(--gold)}
.plan-card.destacado{box-shadow:0 24px 48px -24px rgba(10,10,15,.25)}
@media(max-width:640px){.sec-title{font-size:26px}}
@media(prefers-reduced-motion:reduce){
  .site-drawer,.drawer-scrim{transition:none;animation:none}
  .card,.btn,.nav-toggle,.lang-btn,.auth-btn,#main-nav a,.drawer-link,.drawer-close{transition:none}
}

/* ════════════════════════════════════════════════════════════════
   SUPERFICIE PÚBLICA v2 (spec Equipo 5 §1) — equivalencias ARTE en
   CSS propio (.uni-*): héroe cinematográfico en tinta con placa de
   ambiente, manifiesto, índice editorial de grados, programas en
   rejilla numerada sobre tinta y banda de planes en tinta-2.
   La concha v1 (arriba) no se toca. Contenedor del cuerpo: 1200px.
   ════════════════════════════════════════════════════════════════ */
#app:has(> .uni-home){max-width:none;padding:0}
.uni-in{max-width:1200px;margin:0 auto;padding:0 22px;position:relative;z-index:1}
@media(max-width:400px){.uni-in{padding:0 16px}}
.uni-home section{position:relative}
.uni-eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--oro)}
.uni-eyebrow-l{color:var(--oro-oscuro);display:flex;align-items:center;gap:8px}
.uni-eyebrow-l::before{content:"";width:20px;height:1px;background:var(--oro-oscuro);flex:none}
.uni-h2{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,40px);line-height:1.15;letter-spacing:0;margin:0 0 22px}
.uni-h2-d{color:var(--marfil)}
/* Grano del sistema (SVG, opacidad .05) sobre las secciones tinta. */
.uni-hero::before,.uni-programas::before,.uni-planes::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.6'/></svg>")}
/* ---------- A · Héroe (tinta + placa + velo compuesto) ----------
   Velo: la spec pedía 72%→88%; con ese velo el eyebrow oro medía
   4.13:1 sobre el píxel más brillante de la placa (bajo AA 4.5).
   Se subió el velo a 80%→92% (regla de la spec: se sube el velo,
   nunca se sale de los pares ARTE). Medido sobre el velo compuesto:
   marfil 13.91:1 · oro 6.36:1 · oro-claro 9.24:1. */
.uni-hero{background:var(--tinta);color:var(--marfil);text-align:center;padding:88px 0 80px;overflow:hidden}
/* Escena por capas con profundidad (vara DG 2026-10-16): placa (fondo)
   → velo + viñeta (intermedio) → grano → resplandor tras el titular →
   tipografía y cifras (plano frontal). Un solo sistema de movimiento:
   el revelado --ease-arte; la placa entra en el mismo gesto (escala
   1.06→1, fundido), sin familias de animación conviviendo. */
.uni-hero-plate{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  animation:uni-plate-in 600ms var(--ease-arte) both}
@keyframes uni-plate-in{from{opacity:.35;transform:scale(1.06)}to{opacity:1;transform:scale(1)}}
.uni-hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 90% 90% at 50% 45%,rgba(10,10,15,0) 55%,rgba(10,10,15,.5) 100%),
  linear-gradient(180deg,rgba(10,10,15,.80),rgba(10,10,15,.92))}
.uni-hero-in{max-width:864px;z-index:3}
.uni-hero-in::before{content:"";position:absolute;left:50%;top:52px;transform:translateX(-50%);
  width:660px;height:360px;max-width:92vw;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(198,161,91,.22),rgba(198,161,91,0) 70%)}
.uni-hero-logo{width:56px;height:56px;border-radius:14px;object-fit:cover;display:block;margin:0 auto;
  box-shadow:0 0 0 1px rgba(198,161,91,.4)}
.uni-hero .uni-eyebrow{margin-top:22px}
.uni-hero h1{font-family:var(--serif);font-size:clamp(38px,6vw,64px);font-weight:400;letter-spacing:0;line-height:1.06;margin-top:16px}
.uni-hero h1 .gold{color:var(--oro-claro);font-style:italic}
.uni-hero-sub{font-size:19px;line-height:1.55;max-width:640px;margin:20px auto 0}
.uni-hero-data{margin:34px auto 0;padding:15px 6px;border-top:1px solid var(--hairline-oro);border-bottom:1px solid var(--hairline-oro);
  display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px}
.uni-dato b{font-weight:700}
.uni-dato span{text-transform:lowercase}
.uni-sep{color:var(--oro)}
.uni-hero-ctas{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.uni-hero-ctas .btn{font-family:var(--texto);display:inline-flex;align-items:center;min-height:48px;padding:12px 30px}
.uni-btn-line{background:transparent;color:var(--marfil);border:1px solid var(--oro);
  transition:background-color 300ms var(--ease-arte),color 300ms var(--ease-arte),border-color 300ms var(--ease-arte)}
.uni-btn-line:hover{background:rgba(198,161,91,.12);color:var(--oro-claro);border-color:var(--oro-claro)}
/* ---------- B · Manifiesto (marfil) ---------- */
.uni-manifiesto{background:var(--marfil);padding:76px 0}
.uni-manifiesto .uni-h2{margin-top:14px}
.uni-manifiesto-p{font-size:17px;line-height:1.65;color:var(--gray);max-width:760px}
/* ---------- C · Índice editorial de grados (marfil-2) ---------- */
.uni-grados{background:var(--marfil-2);padding:76px 0}
.uni-grados-lista{border-bottom:1px solid var(--hairline-tinta)}
.uni-grado{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:start;
  padding:24px 10px;border-top:1px solid var(--hairline-tinta);text-decoration:none;color:var(--ink);
  transition:background-color 300ms var(--ease-arte)}
.uni-grado:hover{background:var(--marfil)}
.uni-grado-sigla{font-family:var(--serif);font-size:40px;line-height:1;color:#75591F;
  transition:color 300ms var(--ease-arte)}
.uni-grado:hover .uni-grado-sigla{color:var(--oro-oscuro)}
.uni-grado-nombre{display:block;font-size:20px;font-weight:600;letter-spacing:-.01em}
.uni-grado-desc{display:block;color:var(--gray);font-size:15px;line-height:1.6;margin-top:5px;max-width:640px}
.uni-grado-meta{font-size:13px;color:var(--gray);text-align:right;white-space:nowrap;padding-top:6px}
#indice-grados,#banda-planes{scroll-margin-top:124px}
@media(max-width:640px){
  .uni-grado{grid-template-columns:64px 1fr;gap:14px;padding:20px 4px}
  .uni-grado-sigla{font-size:30px}
  .uni-grado-meta{grid-column:2;text-align:left;padding-top:0}
}
/* ---------- D · Programas (tinta, rejilla numerada) ---------- */
.uni-programas{background:var(--tinta);color:var(--marfil);padding:76px 0}
.uni-progs{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
.uni-prog{display:flex;gap:18px;padding:22px 2px;border-top:1px solid var(--hairline-oro);
  text-decoration:none;color:var(--marfil);transition:background-color 300ms var(--ease-arte)}
.uni-prog:hover{background:var(--superficie)}
.uni-prog-num{font-family:var(--serif);font-size:26px;line-height:1.2;color:var(--oro);flex:none;min-width:44px}
.uni-prog-nombre{display:block;font-size:17px;font-weight:600}
.uni-prog-desc{display:block;color:rgba(244,238,227,.72);font-size:14.5px;line-height:1.55;margin-top:4px}
@media(max-width:700px){.uni-progs{grid-template-columns:1fr}}
/* ---------- E · Banda de planes (tinta-2) + nota legal integrada ---------- */
.uni-planes{background:var(--tinta-2);color:var(--marfil);padding:76px 0}
.uni-planes-sub{color:rgba(244,238,227,.75);font-size:16.5px;max-width:640px;margin:-6px 0 26px}
.uni-planes-grid{margin:0}
.uni-planes .plan-card{background:var(--superficie);border-color:var(--hairline-oro);color:var(--marfil)}
.uni-planes .plan-card.destacado{border-color:var(--oro);box-shadow:0 24px 48px -24px rgba(0,0,0,.6)}
.uni-planes .plan-precio{font-family:var(--serif);font-weight:400;color:var(--marfil)}
.uni-planes .plan-precio span{color:rgba(244,238,227,.65)}
.uni-planes .plan-card li{color:var(--marfil)}
.uni-planes .plan-card li::before{color:var(--oro)}
.uni-planes .plan-card .hint{color:rgba(244,238,227,.65)}
.uni-planes .btn.ghost{background:transparent;color:var(--oro-claro);border-color:var(--oro)}
.uni-planes-legal{margin-top:30px;font-size:13px;line-height:1.6;color:rgba(244,238,227,.7);max-width:860px}
/* ---------- F · Cierre (marfil) ---------- */
.uni-cierre{background:var(--marfil);padding:64px 0 72px;text-align:center}
.uni-cierre-linea{font-family:var(--serif);font-size:26px;margin-bottom:12px}
.uni-volver{color:var(--ink);font-weight:600;text-decoration:none;border-bottom:1px solid var(--oro);padding-bottom:2px;
  transition:color 300ms var(--ease-arte),border-color 300ms var(--ease-arte)}
.uni-volver:hover{color:var(--oro-oscuro);border-color:var(--oro-oscuro)}
/* Revelado único ≤600ms, escalonado 90ms por acto (spec §1.2). */
@keyframes uni-reveal{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.uni-home .uni-in{animation:uni-reveal 600ms var(--ease-arte) both}
.uni-home section:nth-child(2) .uni-in{animation-delay:90ms}
.uni-home section:nth-child(3) .uni-in{animation-delay:180ms}
.uni-home section:nth-child(4) .uni-in{animation-delay:270ms}
.uni-home section:nth-child(5) .uni-in{animation-delay:360ms}
.uni-home section:nth-child(6) .uni-in{animation-delay:450ms}
@media(prefers-reduced-motion:reduce){
  .uni-home .uni-in,.uni-hero-plate{animation:none}
  .uni-grado,.uni-grado-sigla,.uni-prog,.uni-volver,.uni-btn-line{transition:none}
}