/* Blog de El Preparista: mismo lenguaje visual que la web (señalización de seguridad, papel blanco, bordes negros). */
:root {
  --paper: #FFFFFF;
  --ink: #111111;
  --muted: #4B4B4B;
  --hair: #C9C9C4;
  --red: #C8102E;
  --green: #00804A;
  --yellow: #F6B400;
  --f-sign: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: 17px; line-height: 1.5;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.wrap { max-width: 1120px; margin: 0 auto; }
h1, h2, h3 { font-family: var(--f-sign); font-weight: 800; text-transform: uppercase; line-height: .95; letter-spacing: .01em; text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.cap { font-family: var(--f-sign); font-weight: 700; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--f-sign); font-weight: 700; font-size: 1.15rem; letter-spacing: .04em; text-transform: uppercase;
  border: 3px solid var(--ink); background: var(--paper); color: var(--ink);
  padding: .6rem 1.2rem; text-decoration: none; box-shadow: 4px 4px 0 var(--ink);
  transition: transform .1s, box-shadow .1s;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn.red { background: var(--red); color: #fff; }
.btn.small { padding: .35rem .8rem; font-size: 1rem; box-shadow: 3px 3px 0 var(--ink); }

/* Cabecera (igual que la web) */
header.top { position: sticky; top: 0; z-index: 5; background: var(--paper); border-block: 3px solid var(--ink); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .55rem; }
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.logo img { width: 40px; height: 40px; flex: none; }
.logo span { font-family: var(--f-sign); font-weight: 800; font-size: 1.65rem; letter-spacing: .03em; }
nav.links { display: flex; gap: 1.5rem; font-family: var(--f-sign); font-weight: 700; font-size: 1.05rem; letter-spacing: .05em; text-transform: uppercase; }
nav.links a { text-decoration: none; }
nav.links a:hover, nav.links a[aria-current="page"] { color: var(--red); }
.hdr-act { display: flex; align-items: center; gap: .8rem; }
.lang { font-family: var(--f-sign); font-weight: 700; font-size: .95rem; letter-spacing: .06em; text-decoration: none; border: 2px solid var(--ink); padding: .1rem .45rem; line-height: 1.3; }
.lang:hover { background: var(--ink); color: #fff; }
@media (max-width: 760px) { nav.links { display: none; } }
@media (max-width: 400px) { .hdr-act { gap: .5rem; } }
@media (max-width: 400px) { .logo span { font-size: 1.35rem; } }

/* Portada del blog */
.bloghome { padding-block: 2.6rem 3.5rem; }
.sechead { display: grid; gap: .6rem; margin-bottom: 2rem; max-width: 44rem; }
.sechead h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); }
.sechead p { color: var(--muted); font-size: 1.1rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.4rem; }
a.card { display: grid; align-content: start; gap: .55rem; padding: 1.3rem 1.3rem 1.2rem; border: 3px solid var(--ink); text-decoration: none; background: var(--paper); transition: transform .1s, box-shadow .1s; }
a.card:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--ink); }
a.card h3 { font-size: 1.65rem; }
.cardhead { display: flex; align-items: flex-start; justify-content: space-between; gap: .8rem; }
.cardhead img { flex: none; width: auto; height: 84px; }
a.card p { color: var(--muted); }
a.card .go { color: var(--red); margin-top: .3rem; }
.tag { justify-self: start; background: var(--ink); color: #fff; padding: .2rem .5rem; font-size: .75rem; }

/* Artículo */
.post { padding-block: 2rem 3.5rem; }
.post article { max-width: 44rem; margin: 0 auto; }
.posthead { display: grid; gap: .8rem; padding-bottom: 1.4rem; border-bottom: 3px solid var(--ink); margin-bottom: 1.8rem; }
.posthead .back { text-decoration: none; color: var(--muted); }
.posthead .back:hover { color: var(--red); }
.posthead h1 { font-size: clamp(2.3rem, 6vw, 3.6rem); }
.posthead .lede { font-size: 1.2rem; color: var(--muted); }
.posthead .meta { font-size: .92rem; color: var(--muted); }
.cover { display: block; width: auto; max-width: 100%; max-height: 220px; height: auto; margin: .2rem 0; justify-self: start; }

.prose { font-size: 1.1rem; line-height: 1.65; }
.prose > * + * { margin-top: 1rem; }
.prose h2 { font-size: 2rem; margin-top: 2.4rem; }
.prose h3 { font-size: 1.45rem; margin-top: 1.8rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: .35rem; }
.prose li::marker { color: var(--red); font-weight: 700; }
.prose strong { font-weight: 700; }
.prose a { color: var(--red); }
.prose blockquote { margin: 1.4rem 0; padding: .9rem 1.1rem; border-left: 6px solid var(--yellow); background: #FFF8E1; }
.prose blockquote p { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 1rem; }
.prose th, .prose td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--hair); vertical-align: top; }
.prose th { font-family: var(--f-sign); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; font-size: .9rem; border-bottom: 2px solid var(--ink); }

.answer { margin-bottom: 1.8rem; padding: 1rem 1.2rem; border: 3px solid var(--ink); border-left-width: 10px; border-left-color: var(--green); display: grid; gap: .35rem; }
.answer .cap { color: var(--green); }
.answer p { font-size: 1.1rem; line-height: 1.55; }
.faq { margin-top: 2.6rem; padding-top: 1.6rem; border-top: 3px solid var(--ink); display: grid; gap: .5rem; }
.faq h2 { font-size: 2rem; margin-bottom: .4rem; }
.faq h3 { font-size: 1.3rem; margin-top: 1rem; text-transform: none; letter-spacing: 0; line-height: 1.15; }
.faq p { font-size: 1.05rem; line-height: 1.6; }
.cta { margin-top: 2.6rem; padding: 1.5rem; border: 3px solid var(--ink); background: var(--paper); box-shadow: 6px 6px 0 var(--green); display: grid; gap: .6rem; justify-items: start; }
.cta .cap { color: var(--green); }
.cta h2 { font-size: 2rem; }
.cta p { color: var(--muted); }
.cta .btn { margin-top: .4rem; }

.more { max-width: 1120px; margin: 3.5rem auto 0; padding-top: 2rem; border-top: 3px solid var(--ink); }
.more h2 { font-size: 2rem; margin-bottom: 1.2rem; }

/* Pie (igual que la web) */
footer { border-top: 3px solid var(--ink); padding-block: 1.8rem 2.6rem; color: var(--muted); font-size: .92rem; }
footer .wrap { display: grid; gap: .6rem; }
footer strong { color: var(--ink); }