/* ============================================================
   FINANZAS CON CABEZA — hoja de estilos compartida
   Un único archivo para todas las páginas: portada, artículos,
   herramientas, páginas legales. Mantiene la identidad visual
   original (ink navy / paper / emerald / gold).
   ============================================================ */

:root{
  --ink:#0F1B2D;
  --ink-soft:#1B2C44;
  --paper:#F7F5EF;
  --paper-dim:#EFEBE0;
  --emerald:#1F6E5C;
  --emerald-deep:#164F42;
  --gold:#C9A227;
  --line:#D8D2C2;
  --text:#22201B;
  --text-soft:#5B564C;
  --radius:2px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--text);
  font-family:'Inter',sans-serif;
  line-height:1.6;
  font-size:16px;
}
h1,h2,h3{font-family:'Source Serif 4',serif;color:var(--ink);line-height:1.15;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul,ol{list-style-position:outside;}

.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--emerald-deep);
  font-weight:500;
}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px;}

:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

/* ---------- HEADER / NAV ---------- */
header.site{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:50;
}
.site-inner{
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 24px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;
  background:var(--emerald);
  color:var(--paper);
  display:flex;align-items:center;justify-content:center;
  font-family:'Source Serif 4',serif;
  font-weight:700;
  font-size:1.05rem;
  border-radius:var(--radius);
  flex-shrink:0;
}
.brand-name{
  font-family:'Source Serif 4',serif;
  font-weight:700;
  font-size:1.22rem;
  color:var(--ink);
  letter-spacing:-0.01em;
}
.brand-name em{color:var(--emerald-deep);font-style:normal;}

nav.main{display:flex;gap:30px;}
nav.main a{
  font-size:.9rem;
  font-weight:600;
  color:var(--ink-soft);
  position:relative;
  padding-bottom:4px;
  white-space:nowrap;
}
nav.main a::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;
  background:var(--gold);
  transition:width .2s ease;
}
nav.main a:hover::after,
nav.main a[aria-current="page"]::after{width:100%;}
nav.main a[aria-current="page"]{color:var(--ink);}

.nav-toggle{display:none;}
@media (max-width:900px){
  nav.main{
    position:absolute;top:100%;left:0;right:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;
    max-height:0;overflow:hidden;
    transition:max-height .25s ease;
  }
  nav.main.open{max-height:340px;}
  nav.main a{padding:14px 24px;border-top:1px solid var(--line);}
  .nav-toggle{
    display:flex;flex-direction:column;gap:5px;
    background:none;border:none;cursor:pointer;padding:8px;
  }
  .nav-toggle span{width:22px;height:2px;background:var(--ink);}
}

/* ---------- BREADCRUMBS ---------- */
.breadcrumbs{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:12px 0;
}
.breadcrumbs ol{
  max-width:1180px;margin:0 auto;padding:0 24px;
  display:flex;flex-wrap:wrap;gap:6px;
  list-style:none;
  font-size:.8rem;color:var(--text-soft);
}
.breadcrumbs a{color:var(--emerald-deep);font-weight:600;}
.breadcrumbs a:hover{color:var(--gold);}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--line);}

/* ---------- HERO (portada) ---------- */
.hero{
  background:var(--ink);
  color:var(--paper);
  padding:70px 0 64px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;
  border:1px solid rgba(201,162,39,.25);border-radius:50%;
}
.hero::after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:420px;height:420px;
  border:1px solid rgba(201,162,39,.15);border-radius:50%;
}
.hero-inner{
  max-width:1180px;
  position:relative;
  display:flex;
  align-items:center;
  gap:56px;
}
.hero-text{flex:1 1 520px;max-width:600px;}
.hero-visual{flex:0 0 340px;max-width:340px;}
.hero-visual svg{width:100%;height:auto;display:block;}
@media (max-width:860px){
  .hero-inner{flex-direction:column;align-items:flex-start;gap:36px;}
  .hero-visual{flex:none;width:100%;max-width:380px;align-self:center;}
}
.hero h1{
  color:var(--paper);
  font-size:2.5rem;font-weight:600;
  margin:16px 0 20px;letter-spacing:-0.01em;
}
.hero h1 em{color:var(--gold);font-style:normal;}
.hero p.lead{font-size:1.06rem;color:#C9CFD8;max-width:560px;}

/* ---------- SECTION HEADS ---------- */
.section-head{margin-bottom:34px;}
.section-head h2.section-title{font-size:1.8rem;margin-top:8px;}
.section-lead{font-size:.98rem;color:var(--text-soft);max-width:640px;margin-top:10px;}

/* ---------- ARTICLE CARDS (portada) ---------- */
.article-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
@media (max-width:760px){.article-grid{grid-template-columns:1fr;}}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:12px;
}
.article-card .tag{align-self:flex-start;}
.article-card h3{font-size:1.15rem;}
.article-card h3 a:hover{color:var(--emerald-deep);}
.article-card p{font-size:.9rem;color:var(--text-soft);}
.article-card .card-meta{font-size:.76rem;color:#8A8577;font-family:'IBM Plex Mono',monospace;margin-top:auto;}

.tag{
  font-family:'IBM Plex Mono',monospace;
  font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  background:var(--paper-dim);color:var(--emerald-deep);
  padding:4px 9px;border-radius:var(--radius);
  display:inline-block;
}

/* ---------- CATEGORY CHIPS ---------- */
.category-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.category-chip{
  font-size:.82rem;font-weight:600;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);
  padding:8px 16px;border-radius:20px;
}

/* ---------- MAIN CONTENT LAYOUT (index/listing) ---------- */
.content-section{padding:60px 0;}
.content-section.alt{background:var(--paper-dim);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- ARTICLE PAGE ---------- */
.article-page main{max-width:760px;margin:0 auto;padding:48px 24px 30px;}
.article-page .article-header{margin-bottom:28px;}
.article-page .article-header h1{font-size:2.05rem;margin:14px 0 16px;}
.post-meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:10px;}
.post-meta .date{font-size:.8rem;color:var(--text-soft);}
.author-line{
  display:flex;align-items:center;gap:10px;
  font-size:.85rem;color:var(--text-soft);
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin:20px 0 6px;
}
.author-line .author-avatar-sm{
  width:30px;height:30px;border-radius:50%;
  background:var(--emerald);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:'Source Serif 4',serif;font-weight:700;font-size:.85rem;flex-shrink:0;
}
.author-line strong{color:var(--ink);}

.toc{
  background:var(--paper-dim);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;margin:26px 0;
}
.toc h2{font-size:.95rem;font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:10px;}
.toc ol{margin:0 0 0 18px;font-size:.88rem;}
.toc li{margin-bottom:6px;}
.toc a{color:var(--emerald-deep);font-weight:600;}
.toc a:hover{color:var(--gold);}

.article-page article.post-body h2{font-size:1.4rem;margin:32px 0 14px;}
.article-page article.post-body h3{font-size:1.1rem;margin:22px 0 10px;color:var(--emerald-deep);}
.article-page article.post-body p{margin-bottom:14px;color:#3A362F;}
.article-page article.post-body ul,
.article-page article.post-body ol{margin:0 0 16px 20px;}
.article-page article.post-body li{margin-bottom:8px;color:#3A362F;}
.article-page article.post-body strong{color:var(--ink);}
.article-page article.post-body table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:.88rem;}
.article-page article.post-body th,
.article-page article.post-body td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);}
.article-page article.post-body th{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:var(--text-soft);}

.pull-note{
  border-left:3px solid var(--gold);
  background:var(--paper-dim);
  padding:14px 18px;font-size:.92rem;color:var(--text-soft);
  margin:20px 0;
}

.sources-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;margin:30px 0;
}
.sources-box h2{font-size:.95rem;font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:10px;}
.sources-box ul{margin:0 0 0 18px;font-size:.85rem;}
.sources-box li{margin-bottom:6px;color:var(--text-soft);}
.sources-box a{color:var(--emerald-deep);font-weight:600;}
.sources-box a:hover{color:var(--gold);}

.ad-slot{
  border:1px dashed #B9B2A0;background:#FBFAF6;border-radius:var(--radius);
  padding:22px;text-align:center;margin:30px 0;
}
.ad-slot .eyebrow{display:block;margin-bottom:6px;}
.ad-slot .ad-box{
  min-height:90px;display:flex;align-items:center;justify-content:center;
  color:#9C9686;font-size:.8rem;font-family:'IBM Plex Mono',monospace;border:1px solid #E4DFD0;
}

.related-box{margin:40px 0;padding-top:28px;border-top:1px solid var(--line);}
.related-box h2{font-size:1.15rem;margin-bottom:16px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media (max-width:700px){.related-grid{grid-template-columns:1fr;}}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;font-size:.85rem;font-weight:600;color:var(--ink-soft);
}
.related-card:hover{color:var(--emerald-deep);}
.related-card span{display:block;font-family:'IBM Plex Mono',monospace;font-size:.66rem;color:var(--emerald-deep);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-weight:500;}

/* ---------- SIDEBAR (used on article + tools pages) ---------- */
.layout-with-sidebar{
  max-width:1180px;margin:0 auto;padding:48px 24px 90px;
  display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start;
}
@media (max-width:960px){.layout-with-sidebar{grid-template-columns:1fr;padding-top:0;}}
aside.sidebar{display:flex;flex-direction:column;gap:22px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.side-card h3{font-size:1rem;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.side-card.ad{background:#FBFAF6;border-style:dashed;text-align:center;}
.side-card.ad .ad-box{min-height:250px;display:flex;align-items:center;justify-content:center;color:#9C9686;font-size:.8rem;font-family:'IBM Plex Mono',monospace;border:1px solid #E4DFD0;margin-top:8px;}
.popular-list{list-style:none;}
.popular-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--paper-dim);}
.popular-list li:last-child{border-bottom:none;}
.popular-list .rank{font-family:'Source Serif 4',serif;font-weight:700;color:var(--gold);font-size:1.1rem;line-height:1;}
.popular-list a{font-size:.87rem;font-weight:600;color:var(--ink-soft);}
.popular-list a:hover{color:var(--emerald-deep);}
.author-card{display:flex;gap:12px;align-items:flex-start;}
.author-avatar{width:50px;height:50px;border-radius:50%;background:var(--emerald);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Source Serif 4',serif;font-weight:700;font-size:1.05rem;flex-shrink:0;}
.author-card h4{font-family:'Source Serif 4',serif;font-size:.95rem;color:var(--ink);margin-bottom:4px;}
.author-card p{font-size:.82rem;color:var(--text-soft);}

/* ---------- TOOLS SECTION ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
@media (max-width:820px){.tools-grid{grid-template-columns:1fr;}}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
.tool-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--emerald);color:#fff;font-size:1.1rem;border-radius:var(--radius);margin-bottom:16px;}
.tool-card h3{font-size:1.05rem;margin-bottom:10px;}
.tool-card p{font-size:.88rem;color:var(--text-soft);margin-bottom:16px;}
.tool-status{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--emerald-deep);background:var(--paper-dim);padding:4px 9px;border-radius:var(--radius);}
.tool-status.dev{color:#9C7A1E;}
.tool-cta{display:inline-block;padding:9px 16px;background:var(--emerald);color:#fff;font-family:'Inter',sans-serif;font-size:.82rem;font-weight:700;border-radius:var(--radius);text-decoration:none;}
.tool-cta:hover{background:var(--emerald-deep);}

.calc-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-top:32px;max-width:640px;}
.calc-box h3{font-size:1.2rem;margin-bottom:6px;}
.calc-box p.calc-intro{font-size:.88rem;color:var(--text-soft);margin-bottom:22px;}
.calc-field{margin-bottom:16px;}
.calc-field label{display:block;font-size:.82rem;font-weight:600;color:var(--ink-soft);margin-bottom:6px;}
.calc-field input{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:'Inter',sans-serif;font-size:.92rem;background:var(--paper);
}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:480px){.calc-grid{grid-template-columns:1fr;}}
.calc-btn{
  background:var(--emerald);color:#fff;border:none;padding:12px 22px;
  font-weight:700;font-size:.9rem;border-radius:var(--radius);cursor:pointer;margin-top:6px;
}
.calc-btn:hover{background:var(--emerald-deep);}
.calc-result{
  margin-top:22px;padding:18px;background:var(--paper-dim);border-radius:var(--radius);
  display:none;
}
.calc-result.visible{display:block;}
.calc-result b{display:block;font-family:'Source Serif 4',serif;font-size:1.5rem;color:var(--emerald-deep);}
.calc-result span{font-size:.8rem;color:var(--text-soft);}
.calc-disclaimer{font-size:.76rem;color:#8A8577;margin-top:14px;}

/* ---------- FAQ ACCORDION ---------- */
.faq-list{max-width:760px;margin-top:10px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;cursor:pointer;text-align:left;padding:20px 4px;
  font-family:'Source Serif 4',serif;font-size:1.05rem;color:var(--ink);
}
.faq-arrow{flex-shrink:0;font-size:1.3rem;color:var(--emerald-deep);transition:transform .2s ease;}
.faq-question[aria-expanded="true"] .faq-arrow{transform:rotate(180deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-answer p{font-size:.92rem;color:var(--text-soft);padding:0 4px 20px;max-width:660px;}

/* ---------- LEGAL PAGES ---------- */
.legal-page main{max-width:820px;margin:0 auto;padding:48px 24px 90px;}
.legal-page main h1{font-size:2rem;margin:12px 0 8px;}
.legal-page .updated{font-size:.85rem;color:var(--text-soft);margin-bottom:36px;}
.legal-page section{margin-bottom:32px;}
.legal-page section h2{font-size:1.2rem;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line);}
.legal-page section p{margin-bottom:12px;color:#3A362F;}
.legal-page section ul{margin:0 0 12px 20px;color:#3A362F;}
.legal-page section li{margin-bottom:8px;}
.legal-page table{width:100%;border-collapse:collapse;margin-bottom:12px;font-size:.87rem;}
.legal-page th,.legal-page td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;}
.legal-page th{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:var(--text-soft);}
.info-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:12px;}
.info-box p{margin-bottom:6px;}
.info-box p:last-child{margin-bottom:0;}
.edit-field{background:var(--paper-dim);padding:1px 6px;border-radius:2px;font-family:'IBM Plex Mono',monospace;font-size:.85em;color:var(--emerald-deep);}
.manage-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:8px;}
.manage-box button{background:var(--emerald);color:#fff;border:none;padding:11px 20px;font-weight:700;font-size:.88rem;border-radius:var(--radius);cursor:pointer;font-family:'Inter',sans-serif;}
.manage-box button:hover{background:var(--emerald-deep);}

/* ---------- ABOUT PAGE ---------- */
.about-page main{max-width:760px;margin:0 auto;padding:48px 24px 90px;}
.about-page h1{font-size:2rem;margin:12px 0 20px;}
.about-page p{margin-bottom:16px;color:#3A362F;font-size:1rem;}
.about-page h2{font-size:1.25rem;margin:34px 0 12px;}
.about-page ul{margin:0 0 16px 20px;color:#3A362F;}
.about-page li{margin-bottom:8px;}

/* ---------- FOOTER ---------- */
footer.site{background:var(--ink);color:#9FA9B4;padding:52px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .brand-name{color:var(--paper);}
.footer-grid p{font-size:.85rem;color:#8A94A0;margin-top:12px;max-width:320px;}
.footer-col h5{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:#6E7887;margin-bottom:14px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.87rem;color:#B7C0C8;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:22px;font-size:.78rem;color:#6E7887;}
.footer-bottom a{color:#8A94A0;margin-left:16px;}
.footer-bottom a:hover{color:var(--gold);}

/* ---------- COOKIE BANNER ---------- */
#cookieBanner{position:fixed;left:0;right:0;bottom:0;z-index:200;background:var(--ink);color:#C9CFD8;border-top:1px solid rgba(255,255,255,.12);padding:20px 24px;display:none;}
#cookieBanner.visible{display:block;}
.cookie-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cookie-text{max-width:640px;font-size:.85rem;line-height:1.55;}
.cookie-text strong{color:var(--paper);}
.cookie-text a{color:var(--gold);}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap;}
.cookie-actions button{font-family:'Inter',sans-serif;font-size:.82rem;font-weight:700;padding:10px 16px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent;}
#cookieAcceptAll{background:var(--gold);color:var(--ink);}
#cookieAcceptAll:hover{background:#DDB744;}
#cookieRejectAll{background:transparent;color:#C9CFD8;border-color:rgba(255,255,255,.3);}
#cookieRejectAll:hover{border-color:var(--gold);color:var(--gold);}
#cookieCustomize{background:transparent;color:#8FC7B6;border:none;text-decoration:underline;padding:10px 4px;}

#cookieModal{position:fixed;inset:0;background:rgba(15,27,45,.72);z-index:210;display:none;align-items:center;justify-content:center;padding:20px;}
#cookieModal.visible{display:flex;}
.cookie-modal-box{background:var(--paper);max-width:520px;width:100%;border-radius:var(--radius);padding:32px;max-height:86vh;overflow-y:auto;}
.cookie-modal-box h3{font-family:'Source Serif 4',serif;color:var(--ink);font-size:1.3rem;margin-bottom:18px;}
.cookie-category{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);}
.cookie-category:last-of-type{border-bottom:none;}
.cookie-category h4{font-family:'Inter',sans-serif;font-size:.92rem;color:var(--ink);margin-bottom:4px;}
.cookie-category p{font-size:.8rem;color:var(--text-soft);}
.switch{position:relative;width:42px;height:24px;flex-shrink:0;}
.switch input{opacity:0;width:0;height:0;}
.switch .track{position:absolute;inset:0;background:#C7C1AF;border-radius:24px;transition:background .18s ease;}
.switch .track::before{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:transform .18s ease;}
.switch input:checked + .track{background:var(--emerald);}
.switch input:checked + .track::before{transform:translateX(18px);}
.switch input:disabled + .track{opacity:.6;cursor:not-allowed;}
.cookie-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px;}
.cookie-modal-actions button{font-family:'Inter',sans-serif;font-size:.85rem;font-weight:700;padding:10px 18px;border-radius:var(--radius);cursor:pointer;border:1px solid var(--line);}
#cookieSavePrefs{background:var(--emerald);color:#fff;border-color:var(--emerald);}
#cookieSavePrefs:hover{background:var(--emerald-deep);}
#cookieModalClose{background:transparent;color:var(--ink-soft);}