:root{
  --paper:#FAFAF8;
  --paper-dim:#EFEEEA;
  --ink:#1E2A2F;
  --ink-soft:#57646A;
  --line:#D8DAD4;
  --teal:#3C5A6E;
  --teal-dark:#26404F;
  --gold:#B5502F;
  --gold-dark:#8A3B21;
  --warn-bg:#FBEFE7;
  --warn-line:#C77B4E;
  --note-bg:#EBF0F2;
  --bar-bg:#12171B;
  --bar-text:#D9E2E6;
}
[data-theme="dark"]{
  --paper:#121517;
  --paper-dim:#1B1F22;
  --ink:#ECEAE4;
  --ink-soft:#A7AFAC;
  --line:#33393C;
  --teal:#8FB4C9;
  --teal-dark:#9FC2D5;
  --gold:#E29368;
  --gold-dark:#E8A87C;
  --warn-bg:#2A2118;
  --warn-line:#C77B4E;
  --note-bg:#1B2226;
  --bar-bg:#000000;
  --bar-text:#D9E2E6;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{transition:background-color 0.2s ease, color 0.2s ease}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Source Serif 4', Georgia, serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--teal-dark)}
a:hover{color:var(--gold-dark)}
.sans{font-family:'Inter',Arial,Helvetica,sans-serif}
.mono{font-family:'IBM Plex Mono',Consolas,monospace}

/* ---------- Masthead ---------- */
.utility-bar{
  background:var(--bar-bg);
  color:var(--bar-text);
  font-family:'Inter',Arial,sans-serif;
  font-size:0.72rem;
  letter-spacing:0.04em;
  padding:0.35rem 1.5rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:0.4rem;
}
.utility-bar a{color:var(--bar-text);text-decoration:none;margin-left:1rem}
.utility-bar a:hover{color:#fff}

.theme-toggle{
  background:transparent;
  border:1px solid rgba(217,226,230,0.4);
  color:var(--bar-text);
  font-family:'Inter',Arial,sans-serif;
  font-size:0.72rem;
  letter-spacing:0.03em;
  padding:0.3rem 0.7rem;
  border-radius:20px;
  cursor:pointer;
  margin-left:1rem;
  display:inline-flex;
  align-items:center;
  gap:0.4rem;
}
.theme-toggle:hover{background:rgba(217,226,230,0.12)}
.theme-toggle .icon{font-size:0.85rem;line-height:1}

header.masthead{
  border-bottom:3px double var(--ink);
  padding:1.4rem 1.5rem 1rem;
  text-align:center;
  background:var(--paper);
}
header.masthead .brand{
  font-family:'Source Serif 4',Georgia,serif;
  font-weight:700;
  font-size:2.1rem;
  letter-spacing:0.01em;
  color:var(--ink);
  text-decoration:none;
}
header.masthead .tagline{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:0.35rem;
}
nav.mainnav{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.86rem;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-top:1.1rem;
  padding:0.65rem 0;
  display:flex;
  justify-content:center;
  gap:2rem;
  flex-wrap:wrap;
  background:var(--paper-dim);
}
nav.mainnav a{
  color:var(--ink);
  text-decoration:none;
  font-weight:600;
  letter-spacing:0.02em;
}
nav.mainnav a.active{color:var(--teal-dark);border-bottom:2px solid var(--teal-dark);padding-bottom:0.35rem}
nav.mainnav a:hover{color:var(--gold-dark)}

/* ---------- Franja de datos (estática, sin animación) ---------- */
.ticker-wrap{
  background:var(--paper-dim);
  border-bottom:1px solid var(--line);
  border-top:1px solid var(--line);
}
.ticker{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:0.4rem 1.8rem;
  padding:0.55rem 1.2rem;
  font-family:'Inter',Arial,sans-serif;
  font-size:0.76rem;
  color:var(--ink-soft);
}
.ticker span{white-space:nowrap}
.ticker strong{color:var(--ink);font-weight:600}
.ticker .up{color:var(--teal-dark)}
.ticker .down{color:var(--gold-dark)}

/* ---------- Layout ---------- */
.layout{
  display:grid;
  grid-template-columns:150px minmax(0,740px) 260px;
  justify-content:center;
  gap:2rem;
  max-width:1220px;
  margin:0 auto;
  padding:2.2rem 1.5rem 1rem;
  align-items:start;
}
aside.ads{display:flex;flex-direction:column;gap:1.5rem}
aside.ads .ad-slot{position:sticky;top:1.2rem;height:250px;display:flex;align-items:center;justify-content:center;margin:0}
main{min-width:0}

aside.rail{display:flex;flex-direction:column;gap:1.4rem}
.rail-box{
  border:1px solid var(--line);
  background:var(--paper-dim);
  padding:1.1rem 1.2rem;
}
.rail-box h4{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.1em;
  color:var(--teal-dark);
  margin:0 0 0.6rem;
}
.rail-box ul{margin:0;padding-left:1.1rem;font-size:0.92rem}
.rail-box li{margin:0.35rem 0}
.rail-box p{font-size:0.88rem;margin:0.3rem 0}

/* ---------- Article typography ---------- */
.breadcrumb{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.78rem;
  color:var(--ink-soft);
  margin-bottom:1rem;
}
.breadcrumb a{color:var(--ink-soft);text-decoration:none}
.breadcrumb a:hover{color:var(--teal-dark)}

.kicker{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.75rem;
  text-transform:uppercase;
  letter-spacing:0.12em;
  color:var(--gold-dark);
  margin-bottom:0.5rem;
  font-weight:700;
}
h1{font-size:2.3rem;line-height:1.2;margin:0 0 0.5rem;letter-spacing:-0.01em}
h1.home{font-size:2.55rem}
.dek{font-size:1.15rem;color:var(--ink-soft);font-style:italic;margin:0.6rem 0 1rem}
.byline{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.8rem;
  color:var(--ink-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:0.6rem 0;
  margin-bottom:1.8rem;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:0.4rem;
}
h2{
  font-size:1.5rem;
  margin-top:2.4rem;
  padding-top:1.4rem;
  border-top:1px solid var(--line);
  letter-spacing:-0.005em;
}
h3{font-size:1.12rem;margin-top:1.5rem;color:var(--ink)}
p{margin:0.95rem 0;font-size:1.06rem}
ul,ol{padding-left:1.35rem}
li{margin:0.4rem 0;font-size:1.03rem}
strong{color:var(--ink)}

.toc{
  background:var(--paper-dim);
  border:1px solid var(--line);
  padding:1.1rem 1.3rem;
  margin:1.6rem 0 2rem;
  font-family:'Inter',Arial,sans-serif;
  font-size:0.9rem;
}
.toc h4{margin:0 0 0.5rem;font-size:0.75rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--teal-dark)}
.toc ol{margin:0;padding-left:1.2rem}
.toc li{margin:0.25rem 0}
.toc a{text-decoration:none}

.callout{background:var(--note-bg);border-left:4px solid var(--teal-dark);padding:1rem 1.2rem;margin:1.6rem 0;font-size:0.98rem}
.warning{background:var(--warn-bg);border-left:4px solid var(--warn-line);padding:1rem 1.2rem;margin:1.6rem 0;font-size:0.96rem}
.pullquote{
  font-family:'Source Serif 4',Georgia,serif;
  font-style:italic;
  font-size:1.35rem;
  color:var(--teal-dark);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:1.2rem 0;
  margin:2rem 0;
  text-align:center;
}

table{width:100%;border-collapse:collapse;margin:1.3rem 0;font-family:'Inter',Arial,sans-serif;font-size:0.9rem}
th,td{border:1px solid var(--line);padding:0.65rem 0.75rem;text-align:left;vertical-align:top}
th{background:var(--paper-dim);font-weight:700}
tbody tr:nth-child(even){background:#FDFCFA}

.example-box{
  border:1px solid var(--line);
  background:var(--paper);
  padding:1.1rem 1.3rem;
  margin:1.4rem 0;
  font-family:'IBM Plex Mono',monospace;
  font-size:0.86rem;
  line-height:1.8;
}
.example-box .label{color:var(--ink-soft)}

.faq dt{font-family:'Inter',Arial,sans-serif;font-weight:700;margin-top:1.2rem;font-size:1rem}
.faq dd{margin:0.3rem 0 0}

.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin:1.6rem 0}
.pillar-card{
  border:1px solid var(--line);
  background:var(--paper);
  padding:1.4rem;
  display:flex;
  flex-direction:column;
}
.pillar-card .tag{font-family:'Inter',Arial,sans-serif;font-size:0.7rem;text-transform:uppercase;letter-spacing:0.1em;font-weight:700}
.pillar-card.teal .tag{color:var(--teal-dark)}
.pillar-card.gold .tag{color:var(--gold-dark)}
.pillar-card h3{margin-top:0.5rem;font-size:1.25rem}
.pillar-card p{font-size:0.95rem;flex-grow:1}
.pillar-card a.readmore{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.85rem;font-weight:700;text-decoration:none;
}
.pillar-card.teal{border-top:4px solid var(--teal-dark)}
.pillar-card.gold{border-top:4px solid var(--gold-dark)}

.hero-figure{margin:1.6rem 0 2rem;border:1px solid var(--line)}
.hero-figure svg{display:block;width:100%;height:auto}
.hero-figure figcaption{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.8rem;
  color:var(--ink-soft);
  text-align:center;
  padding:0.7rem 1rem;
  border-top:1px solid var(--line);
  background:var(--paper-dim);
  font-style:italic;
}

.ad-slot{
  font-family:'Inter',Arial,sans-serif;
  text-align:center;
  font-size:0.7rem;
  color:#9aa0a6;
  border:1px dashed var(--line);
  padding:1.4rem 0.5rem;
  margin:2.2rem 0;
  letter-spacing:0.05em;
}
.ad-slot-bottom{max-width:1220px;margin:2.5rem auto 0;padding:0 1.5rem}

.author-box{
  display:flex;
  gap:1rem;
  border:1px solid var(--line);
  background:var(--paper-dim);
  padding:1.2rem;
  margin:2.4rem 0;
  align-items:flex-start;
}
.author-avatar{
  width:52px;height:52px;border-radius:50%;
  background:var(--teal-dark);
  flex:none;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:'Inter',Arial,sans-serif;font-weight:700;
}
.author-box .name{font-family:'Inter',Arial,sans-serif;font-weight:700;font-size:0.92rem}
.author-box .role{font-family:'Inter',Arial,sans-serif;font-size:0.78rem;color:var(--ink-soft);margin-bottom:0.35rem}
.author-box p{font-size:0.85rem;margin:0.3rem 0 0;color:var(--ink-soft)}

.related{
  font-family:'Inter',Arial,sans-serif;
  border:1px solid var(--line);
  padding:1.2rem 1.3rem;
  margin:2rem 0;
  background:var(--paper);
}
.related h4{margin:0 0 0.6rem;font-size:0.75rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--gold-dark)}
.related ul{margin:0;padding-left:1.1rem;font-size:0.92rem}

footer.sitefoot{
  border-top:3px double var(--ink);
  margin-top:3rem;
  padding:1.8rem 1.5rem;
  font-family:'Inter',Arial,sans-serif;
  font-size:0.78rem;
  color:var(--ink-soft);
  text-align:center;
  background:var(--paper-dim);
}
footer.sitefoot a{color:var(--ink-soft);margin:0 0.6rem}
footer.sitefoot .legal{max-width:640px;margin:0.8rem auto 0;font-size:0.74rem;line-height:1.6}
footer.sitefoot button{
  font-family:'Inter',Arial,sans-serif;
  font-size:0.78rem;
  color:var(--ink-soft);
  background:none;
  border:none;
  cursor:pointer;
  text-decoration:underline;
  padding:0;
  margin:0 0.6rem;
}

.btn{
  font-family:'Inter',Arial,sans-serif;
  font-weight:700;
  font-size:0.9rem;
  padding:0.7rem 1.3rem;
  border-radius:4px;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  cursor:pointer;
  border:1px solid transparent;
}
.btn--primary{background:var(--teal-dark);color:#fff}
.btn--primary:hover{background:var(--gold-dark);color:#fff}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--teal-dark);color:var(--teal-dark)}

.cookie-banner{
  position:fixed;
  left:0;right:0;bottom:0;
  background:var(--paper-dim);
  border-top:1px solid var(--line);
  padding:1rem 1.5rem;
  font-family:'Inter',Arial,sans-serif;
  font-size:0.85rem;
  z-index:100;
  box-shadow:0 -4px 16px rgba(0,0,0,0.15);
}
.cookie-banner__content{max-width:900px;margin:0 auto}
.cookie-banner__content p{margin:0 0 0.6rem;font-size:0.88rem}
.cookie-banner__prefs{display:flex;gap:1.2rem;flex-wrap:wrap;margin:0.6rem 0}
.cookie-banner__prefs label{display:flex;align-items:center;gap:0.4rem;font-size:0.85rem}
.cookie-banner__actions{max-width:900px;margin:0 auto;display:flex;gap:0.7rem;flex-wrap:wrap;justify-content:flex-end}
.cookie-banner__actions .btn{padding:0.55rem 1rem;font-size:0.82rem}

@media (max-width: 1080px){
  .layout{grid-template-columns:1fr}
  aside.ads{flex-direction:row;flex-wrap:wrap}
  aside.ads .ad-slot{position:static;flex:1 1 260px;height:100px}
  .card-grid{grid-template-columns:1fr}
}