/* Criterio Bursátil — Obsidian & Gold (portada editorial)
   CSS local de producción. Sin dependencias externas.
   Compatible con CSP: style-src 'self'; font-src 'self'. v=20261010-obsidian1 */
@font-face{
  font-family:"Newsreader";font-style:normal;font-weight:400 700;font-display:swap;
  src:url("../fonts/newsreader-latin.woff2") format("woff2");
}
@font-face{
  font-family:"Inter";font-style:normal;font-weight:400 700;font-display:swap;
  src:url("../fonts/inter-latin.woff2") format("woff2");
}
@font-face{
  font-family:"JetBrains Mono";font-style:normal;font-weight:400 700;font-display:swap;
  src:url("../fonts/jetbrains-mono-latin.woff2") format("woff2");
}
:root{
  --obsidian:#06151e; --navy:#0a1924; --panel:#081c28; --deep:#04101a;
  --gold:#e2b357; --goldlight:#ffcf73;
  --ink:#d7dee6; --muted:#9fb0bf; --white:#ffffff;
  --line:rgba(255,255,255,.08); --goldline:rgba(226,179,87,.6);
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:1rem; --max:72rem;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--obsidian);color:var(--ink);
  font-family:var(--sans);font-size:1rem;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--gold);color:var(--obsidian)}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold)}
a:hover{color:var(--goldlight)}
a:focus-visible,button:focus-visible{outline:2px solid var(--goldlight);outline-offset:3px;border-radius:.35rem}
h1,h2,h3{color:var(--white);line-height:1.15;margin:0;font-family:var(--serif);font-weight:600}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--gold);color:var(--obsidian);font-weight:700;padding:.6rem 1rem;border-radius:0 0 .6rem 0;text-decoration:none}
.skip:focus{left:0}
.wrap{max-width:var(--max);margin:0 auto;padding-left:1rem;padding-right:1rem}
.icon{width:18px;height:18px;flex:none;vertical-align:-3px}
/* Barra institucional */
.notice{border-bottom:1px solid var(--line);background:var(--panel);font-size:.8125rem}
.notice .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:.25rem 1.5rem;padding-top:.5rem;padding-bottom:.5rem;color:var(--ink)}
.notice span{display:inline-flex;align-items:center;gap:.4rem}
.notice .icon{color:var(--gold)}
/* Cabecera */
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:rgba(6,21,30,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.75rem;padding-bottom:.75rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand-mark{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:.6rem;background:var(--gold);color:var(--obsidian);font-family:var(--serif);font-weight:700;font-size:1.1rem}
.brand-mark-sm{width:2rem;height:2rem;font-size:.85rem}
.mt1{margin-top:1rem !important}
.brand strong{display:block;color:var(--white);font-family:var(--serif);font-size:1.1rem;font-weight:600;line-height:1.2}
.brand small{display:block;color:var(--muted);font-size:.72rem}
.nav-links{display:flex;gap:1.5rem;font-size:.9rem}
.nav-links a{color:var(--ink);text-decoration:none}
.nav-links a:hover{color:var(--goldlight)}
.btn{display:inline-block;border-radius:.6rem;padding:.7rem 1.1rem;font-weight:600;font-size:.9rem;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-gold{background:var(--gold);color:var(--obsidian)}
.btn-gold:hover{background:var(--goldlight);color:var(--obsidian)}
.btn-ghost{border-color:var(--line);background:var(--navy);color:var(--white)}
.btn-ghost:hover{border-color:var(--goldline)}
.btn-sm{padding:.6rem 1rem}
/* Hero */
.hero{position:relative;overflow:hidden}
.hero-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(50rem 25rem at 20% 10%,rgba(226,179,87,.12),transparent 70%),radial-gradient(44rem 24rem at 85% 20%,rgba(56,130,190,.18),transparent 70%)}
.hero-grid{position:relative;display:grid;gap:3rem;padding-top:3.5rem;padding-bottom:3.5rem}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(226,179,87,.35);background:rgba(226,179,87,.1);color:var(--gold);border-radius:999px;padding:.3rem .8rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase}
.hero h1{font-size:clamp(2.6rem,6vw,3.9rem);margin:1rem 0 0;letter-spacing:-.01em}
.hero h1 em{color:var(--gold)}
.lede{margin-top:1.25rem;font-size:1.125rem;color:var(--ink);max-width:36rem}
.hero-actions{margin-top:2rem;display:flex;flex-wrap:wrap;gap:.75rem}
.metrics{margin:2rem 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;max-width:28rem}
.metrics li{border:1px solid var(--line);border-radius:.8rem;background:var(--navy);padding:1rem;text-align:center}
.metrics b{display:block;font-family:var(--mono);font-size:1.9rem;color:var(--goldlight);line-height:1.1}
.metrics span{font-size:.75rem;color:var(--muted)}
.collection{border:1px solid var(--line);border-radius:var(--radius);background:var(--navy);padding:1.5rem;position:relative}
.collection-tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.book-pair{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}
.book{margin:0;min-width:0;border:1px solid var(--line);border-radius:.8rem;overflow:hidden;background:var(--obsidian);transition:box-shadow .25s ease,border-color .25s ease}
.book:hover{border-color:var(--goldline);box-shadow:0 0 0 1px var(--gold),0 16px 44px -14px rgba(226,179,87,.45)}
.book img{width:100%}
.book figcaption{background:var(--obsidian);padding:.6rem .8rem;font-size:.8rem;color:var(--ink)}
.book figcaption b{font-family:var(--mono);color:var(--goldlight);font-weight:500}
.collection-foot{display:flex;align-items:center;gap:.6rem;margin-top:1rem;font-size:.85rem;color:var(--muted)}
.trust{border-top:1px solid var(--line);position:relative}
.trust .wrap{display:flex;flex-wrap:wrap;gap:.5rem 2rem;padding-top:.85rem;padding-bottom:.85rem;font-size:.85rem;color:var(--ink)}
.trust span{display:inline-flex;align-items:center;gap:.45rem}
.trust .icon{color:var(--gold)}
/* Secciones */
.section{padding-top:3.5rem;padding-bottom:3.5rem}
.section-alt{border-top:1px solid var(--line);background:var(--panel)}
.kicker{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.section h2{font-size:clamp(1.8rem,4vw,2.5rem);margin-top:.6rem}
.section-sub{margin-top:.8rem;max-width:42rem;color:var(--ink)}
.catalog{margin-top:2rem;display:grid;gap:1.25rem;grid-template-columns:1fr 1fr}
.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--navy);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s ease,border-color .25s ease}
.card:hover{border-color:var(--goldline);box-shadow:0 0 0 1px var(--gold),0 16px 44px -14px rgba(226,179,87,.45)}
.card>img{width:100%;height:22rem;object-fit:contain;object-position:center;padding:1.25rem;background:var(--deep)}
.card-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;padding:1.25rem;background:var(--deep)}
.card-pair img{height:19.5rem;object-fit:contain;object-position:center;width:100%;min-width:0}
.card-body{padding:1.5rem;display:flex;flex-direction:column;flex:1}
.card-kicker{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.card h3{font-size:1.5rem;margin-top:.5rem}
.card-tagline{margin-top:.4rem;font-size:.9rem;font-weight:600;color:var(--goldlight)}
.card p.desc{margin-top:.5rem;font-size:.9rem;color:var(--ink)}
.price{margin-top:1rem;font-family:var(--mono);font-size:1.5rem;color:var(--goldlight)}
.price small{font-size:.72rem;color:var(--muted);font-family:var(--sans)}
.card-actions{margin-top:1rem;display:flex;flex-wrap:wrap;gap:.6rem}
.fineprint{margin-top:.6rem;font-size:.75rem;color:var(--muted)}
.badge{display:inline-block;background:var(--gold);color:var(--obsidian);border-radius:999px;padding:.3rem .8rem;font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.card-featured{border-color:var(--goldline);box-shadow:0 0 50px -15px rgba(226,179,87,.5)}
/* Pensadores */
.thinkers{margin-top:2rem;display:grid;gap:1.25rem;grid-template-columns:repeat(3,minmax(0,1fr))}
.thinker{border:1px solid var(--line);border-radius:var(--radius);background:var(--navy);padding:1.5rem}
.thinker img{width:5rem;height:5rem;border-radius:50%;object-fit:cover}
.thinker-index{margin-top:.8rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.thinker h3{font-size:1.25rem;margin-top:.3rem}
.thinker blockquote{margin:.7rem 0 0;padding-left:.9rem;border-left:2px solid var(--gold);font-family:var(--serif);font-style:italic;color:var(--goldlight)}
.thinker p{margin-top:.6rem;font-size:.88rem}
.thinker small{display:block;margin-top:.6rem;font-size:.72rem;color:var(--muted)}
.disclaimer{margin-top:1.5rem;font-size:.85rem;color:var(--muted)}
/* Autor */
.author-grid{display:grid;gap:1.5rem;grid-template-columns:1fr 1fr}
.author-card,.ethic-card{border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.author-card{background:var(--navy)}
.ethic-card{background:var(--panel)}
.avatar{display:flex;align-items:center;justify-content:center;width:3.5rem;height:3.5rem;border-radius:50%;background:var(--gold);color:var(--obsidian);font-family:var(--serif);font-weight:700;font-size:1.3rem}
.author-card h2{font-size:1.9rem;margin-top:.4rem}
.author-card p,.ethic-card p{margin-top:.8rem}
.ethic-card .icon{width:28px;height:28px;color:var(--gold)}
.ethic-card h3{font-size:1.5rem;margin-top:.6rem}
.ethic-list{margin:1rem 0 0;padding:0;list-style:none;font-size:.9rem;display:grid;gap:.5rem}
.notice-box{margin-top:1.25rem;border:1px solid rgba(252,211,77,.25);background:rgba(252,211,77,.08);border-radius:.7rem;padding:1rem;font-size:.82rem;color:#fde9c8}
/* Pie */
.site-footer{border-top:1px solid var(--line);background:var(--deep)}
.footer-grid{display:grid;gap:2rem;grid-template-columns:1.4fr 1fr 1fr 1fr;padding-top:3rem;padding-bottom:3rem}
.footer-grid nav strong{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.footer-grid ul{margin:.8rem 0 0;padding:0;list-style:none;display:grid;gap:.5rem;font-size:.88rem}
.footer-grid ul a{color:var(--muted);text-decoration:none}
.footer-grid ul a:hover{color:var(--goldlight)}
.footer-note{margin-top:.8rem;font-size:.85rem;color:var(--muted)}
.footer-bottom{border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.footer-bottom .wrap{padding-top:1.5rem;padding-bottom:1.5rem}
.risk{border:1px solid rgba(248,113,113,.25);background:rgba(248,113,113,.08);border-radius:.7rem;padding:1rem;color:#fecaca}
.copyright{margin-top:1rem;display:block}
/* Responsive */
@media (min-width:64rem){
  .hero-grid{grid-template-columns:1fr 1fr;align-items:center;padding-top:5rem;padding-bottom:5rem}
}
@media (max-width:63.99rem){
  .thinkers{grid-template-columns:1fr 1fr}
  .nav{flex-wrap:wrap}
  .nav-links{order:3;width:100%;display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem 1rem;font-size:.8rem}
}
@media (max-width:46rem){
  .catalog,.author-grid{grid-template-columns:1fr}
  .thinkers{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .card>img{height:19rem;padding:1rem}
  .card-pair{padding:1rem;gap:.75rem}
  .card-pair img{height:17rem}
}
@media (max-width:30rem){
  .brand{gap:.5rem;min-width:0}
  .nav>.btn{font-size:.75rem;padding:.6rem .7rem;max-width:8rem}
  .brand small{max-width:10rem}
  .book figcaption{padding:.6rem;font-size:.75rem}
  .metrics{gap:.6rem}
  .metrics b{font-size:1.5rem}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
}
/* v3 — pack destacado, capítulos, comparativa, FAQ, CTA final */
.pack-spotlight{margin-top:2rem;border:2px solid var(--goldline);border-radius:var(--radius);background:linear-gradient(135deg,var(--navy),var(--deep));padding:2rem;position:relative;overflow:hidden}
.pack-flag{position:absolute;top:0;right:0;background:var(--gold);color:var(--obsidian);font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.4rem 1rem;border-radius:0 0 0 .7rem}
.pack-grid{display:grid;gap:2rem;grid-template-columns:2fr 1fr;align-items:center}
.pack-grid h3{font-size:clamp(1.5rem,3vw,2rem);margin-top:.5rem}
.pack-points{margin:1.2rem 0 0;padding:0;list-style:none;display:grid;gap:.7rem;font-size:.88rem;grid-template-columns:1fr 1fr}
.pack-points li{border:1px solid var(--line);border-radius:.6rem;padding:.7rem .9rem;background:rgba(255,255,255,.02)}
.pack-points strong{display:block;color:var(--white)}
.pack-buy{border:1px solid var(--line);border-radius:.8rem;background:rgba(255,255,255,.02);padding:1.5rem;text-align:center}
.pack-buy .price{font-size:2.2rem}
.pack-buy .btn{width:100%;margin-top:1rem}
.chapters{margin-top:2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--navy);padding:2rem}
.chapters-grid{margin-top:1.4rem;display:grid;gap:1.2rem;grid-template-columns:1fr 1fr}
.chapter-box{border:1px solid var(--line);border-radius:.8rem;padding:1.3rem;background:rgba(255,255,255,.015)}
.chapter-box h3{font-size:1.05rem;margin:0;display:flex;align-items:center;gap:.5rem}
.chapter-box ol{margin:.9rem 0 0;padding-left:1.2rem;font-family:var(--mono);font-size:.76rem;color:var(--ink);display:grid;gap:.4rem}
.compare{margin:0 auto;max-width:56rem;text-align:center}
.compare-grid{margin-top:2rem;display:grid;gap:1.2rem;grid-template-columns:1fr 1fr;text-align:left}
.compare-card{border:1px solid var(--line);border-radius:.8rem;background:var(--navy);padding:1.5rem}
.compare-card.bad{border-color:rgba(248,113,113,.3)}
.compare-card.good{border-color:var(--goldline)}
.compare-card h3{font-size:1.1rem;margin:0 0 .9rem}
.compare-card ul{margin:0;padding:0;list-style:none;display:grid;gap:.7rem;font-size:.85rem}
.faq{margin:0 auto;max-width:46rem;display:grid;gap:.9rem}
.faq-top{margin-top:2rem}
.faq-item{border:1px solid var(--line);border-radius:.8rem;background:var(--navy);padding:1.2rem 1.4rem}
.faq-item h3{font-family:var(--sans);font-size:.95rem;font-weight:600}
.faq-item p{margin-top:.5rem;font-size:.85rem;color:var(--ink)}
.final-cta{text-align:center;padding-top:4rem;padding-bottom:4rem}
.final-cta h2{font-size:clamp(1.9rem,4.5vw,3rem);max-width:44rem;margin:.6rem auto 0}
.final-cta .section-sub{margin-left:auto;margin-right:auto}
.final-cta .hero-actions{justify-content:center}
@media (max-width:46rem){
  .pack-grid,.chapters-grid,.compare-grid{grid-template-columns:1fr}
  .pack-points{grid-template-columns:1fr}
}

/* Keep anchor headings visible below the sticky navigation. */
section[id],main[id]{scroll-margin-top:10rem}