:root{
  --navy:#0b1f3a; --navy2:#12305a; --gold:#c9a227; --ink:#15171a; --paper:#fbfaf7;
  --line:#e4e0d6; --muted:#6b7280;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:'Segoe UI',system-ui,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}
a{color:inherit;text-decoration:none}
.rings{letter-spacing:.18em;color:var(--gold)} .rings.big{font-size:2.4rem;display:block;margin-bottom:.4rem}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:.8rem 1.3rem;background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:.7rem}
.brand .bt{display:flex;flex-direction:column;line-height:1.1}
.brand b{font-size:1.05rem;letter-spacing:.02em} .brand small{font-size:.72rem;color:#b9c4d6}
.menu{display:flex;gap:.4rem;flex-wrap:wrap}
.menu a{padding:.4rem .8rem;border-radius:2rem;font-size:.92rem;color:#cdd7e6}
.menu a:hover{background:#ffffff14;color:#fff} .menu a.on{background:var(--gold);color:var(--navy);font-weight:600}

.wrap{max-width:1060px;margin:0 auto;padding:1.6rem 1.2rem 3rem}

/* hero */
.hero{text-align:center;padding:2.6rem 1rem 1.4rem}
.hero h1{font-size:2.5rem;margin:.1rem 0;color:var(--navy)}
.hero .sub{color:var(--muted);font-size:1.05rem;max-width:40ch;margin:.3rem auto}
.hero .lema{color:var(--gold);text-transform:uppercase;letter-spacing:.14em;font-size:.82rem;margin:.8rem 0 1.2rem}
.stats{display:flex;gap:1.6rem;justify-content:center;flex-wrap:wrap;margin:.6rem 0 1.4rem;color:var(--muted)}
.stats b{display:block;font-size:1.7rem;color:var(--navy)}
.cta{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}
.btn{background:var(--navy);color:#fff;padding:.7rem 1.3rem;border-radius:2rem;font-weight:600;border:2px solid var(--navy)}
.btn:hover{background:var(--navy2);border-color:var(--navy2)}
.btn.ghost{background:transparent;color:var(--navy)}

/* featured */
.destacada{background:linear-gradient(135deg,#0b1f3a,#16386a);color:#fff;border-radius:1rem;padding:1.6rem;margin:2rem 0}
.destacada .kick{color:var(--gold);text-transform:uppercase;letter-spacing:.12em;font-size:.74rem}
.destacada h2{margin:.3rem 0;font-size:1.7rem} .destacada>p{color:#c8d2e2;margin:.2rem 0 1rem}

.sec{font-size:1.4rem;color:var(--navy);border-bottom:2px solid var(--gold);display:inline-block;padding-bottom:.2rem;margin:2rem 0 1rem}
.page{font-size:2rem;color:var(--navy);margin:.2rem 0} .lead{color:var(--muted);margin-top:0}

/* grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.ed{background:#fff;border:1px solid var(--line);border-radius:.8rem;padding:1rem 1.1rem;transition:.15s}
.ed:hover{transform:translateY(-3px);box-shadow:0 8px 22px #0b1f3a18;border-color:var(--gold)}
.ed.feat{border-color:var(--gold);box-shadow:0 0 0 2px #c9a22733;background:linear-gradient(135deg,#fff,#fbf6e8)}
.ed.off{opacity:.5;background:#f3f2ef} .ed.off:hover{transform:none;box-shadow:none;border-color:var(--line)}
.ed.vacia{border-style:dashed} .ed.vacia .meta{color:var(--muted);font-weight:400}
.ed .tipo{font-size:.72rem;color:var(--muted)} .ed h3{margin:.25rem 0;color:var(--navy)} .ed p{margin:.1rem 0;font-size:.9rem;color:var(--muted)}
.ed .meta{font-size:.8rem;color:var(--gold);font-weight:600}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.9rem}
.card{background:#fff;border:1px solid var(--line);border-radius:.7rem;padding:1rem;position:relative}
.destacada .card{background:#ffffff10;border-color:#ffffff2e;color:#fff}
.card:hover{border-color:var(--gold)} .card h3{margin:.4rem 0 .2rem;font-size:1.05rem}
.card p{margin:0;font-size:.85rem;color:var(--muted)} .destacada .card p{color:#c8d2e2}
.tag{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);font-weight:700}

.badge{display:inline-block;font-size:.66rem;padding:.08rem .5rem;border-radius:1rem;margin:.1rem .2rem .1rem 0;vertical-align:middle}
.badge.t{background:#fdf2d6;color:#8a6d1f} .badge.o{background:#e3f0e6;color:#2e7d32} .badge.ca{background:#e7eefb;color:#1a4a9c}

.edblock{margin:1.8rem 0}
.edh{color:var(--navy);font-size:1.3rem;border-left:4px solid var(--gold);padding-left:.6rem}
.edh small{color:var(--muted);font-weight:400;font-size:.85rem}

/* reader */
.reader{max-width:680px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:1rem;padding:1.8rem}
.reader h1{color:var(--navy);font-size:1.7rem;margin:.3rem 0}
.back{color:var(--gold);font-weight:600;font-size:.9rem}
.reader .meta{color:var(--muted);font-style:italic;margin:.2rem 0 .6rem}
.reader p{font-family:Georgia,'Times New Roman',serif;font-size:1.08rem;text-align:justify;margin:.6rem 0}
.reader h3.lang{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--gold);
  border-top:1px solid var(--line);padding-top:.7rem;margin:1.4rem 0 .3rem}
.nota{background:#f6f4ee;border-left:3px solid var(--gold);padding:.6rem .9rem;font-style:italic;color:#555;font-size:.95rem}
.src{font-size:.78rem;color:var(--muted);word-break:break-all;margin-top:1.4rem}
.pager{display:flex;justify-content:space-between;gap:1rem;margin-top:1.6rem;font-size:.85rem;border-top:1px solid var(--line);padding-top:1rem}
.pager a{color:var(--navy);font-weight:600}

/* videos */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.vcard{background:#fff;border:1px solid var(--line);border-radius:.7rem;overflow:hidden}
.vcard:hover{border-color:var(--gold)}
.thumb{position:relative;display:block;aspect-ratio:16/9;background:#0b1f3a;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.dur{position:absolute;right:.4rem;bottom:.4rem;background:#000a;color:#fff;font-size:.72rem;padding:.05rem .4rem;border-radius:.3rem}
.vcard h3{margin:.5rem .7rem .2rem;font-size:.98rem;color:var(--navy)} .vcard p{margin:0 .7rem .7rem;font-size:.8rem;color:var(--muted)}
.player{max-width:900px;margin:0 auto}
.player video{width:100%;border-radius:.8rem;background:#000;margin-top:.6rem}
.player h1{color:var(--navy);font-size:1.5rem;margin:.3rem 0}

/* book */
.dl{display:flex;gap:.6rem;margin:1rem 0}
.pdfbox{border:1px solid var(--line);border-radius:.6rem;overflow:hidden;height:80vh}
.pdfbox iframe{width:100%;height:100%;border:0}
.empty{color:var(--muted);background:#fff;border:1px dashed var(--line);padding:1.4rem;border-radius:.7rem;text-align:center}

/* footer */
.foot{background:var(--navy);color:#aebbcf;text-align:center;padding:2rem 1rem;margin-top:2rem}
.foot p{margin:.3rem 0;font-size:.9rem} .foot .fine{font-size:.78rem;color:#7e8ca6;max-width:60ch;margin:.4rem auto 0}

@media(max-width:560px){ .hero h1{font-size:1.9rem} .brand small{display:none} .menu a{padding:.35rem .6rem;font-size:.85rem} }