/* ═══ Idiomarcui Blog — hoja de estilos compartida ═══ */
:root{
  --B:#21629d;--BL:#3a8fce;--BD:#184e7c;--BDD:#0f3052;
  --BP:#e9f1f9;--BU:#f1f6fc;
  --M:#a8055f;--ML:#c41675;--MP:#fbe7f1;
  --G:#9cb933;--GL:#b4d048;--GD:#6f8a16;--GDD:#4f6310;--GP:#eef3da;
  --P:#9999ff;--PL:#b8b8ff;--PD:#4a4ac9;--PP:#ececff;
  --T:#162032;--T2:#2d4a66;--MU:#6b8ba4;
  --BR:#cdddee;--BGA:#f1f6fc;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#fff;color:var(--T);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--B);text-decoration:none}

/* ── NAV (idéntico a la home) ── */
.nav{position:fixed;top:0;inset-inline:0;z-index:500;height:68px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);backdrop-filter:blur(28px) saturate(200%);-webkit-backdrop-filter:blur(28px) saturate(200%);border-bottom:1.5px solid rgba(211,227,240,.7);box-shadow:0 1px 0 rgba(33,98,157,.05)}
.nav-logo{height:40px;width:auto;object-fit:contain;transition:transform .3s}
.nav-logo:hover{transform:scale(1.04)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-link{font-size:.73rem;font-weight:700;color:var(--MU);letter-spacing:.05em;transition:color .2s;position:relative;padding-bottom:2px}
.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--B);border-radius:2px;transition:width .25s}
.nav-link:hover,.nav-link.on{color:var(--B)}.nav-link:hover::after,.nav-link.on::after{width:100%}
.nav-cta{background:var(--M);color:#fff;border:none;border-radius:100px;padding:10px 24px;font-size:.76rem;font-weight:800;cursor:pointer;font-family:inherit;transition:all .25s;box-shadow:0 4px 16px rgba(168,5,95,.28)}
.nav-cta:hover{background:var(--ML);transform:translateY(-1px)}
.nav-burger{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}
.nav-burger span{display:block;width:26px;height:2.5px;background:var(--B);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:68px 0 0 0;background:rgba(255,255,255,.97);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);z-index:490;display:flex;flex-direction:column;padding:22px 26px 40px;overflow-y:auto;transform:translateX(100%);opacity:0;visibility:hidden;transition:transform .35s cubic-bezier(.4,0,.2,1),opacity .3s,visibility .3s}
.mobile-menu.open{transform:translateX(0);opacity:1;visibility:visible}
.mobile-menu a{font-family:'Nunito',sans-serif;font-size:1.25rem;font-weight:800;color:var(--T);padding:17px 6px;border-bottom:1px solid var(--BR);letter-spacing:-.3px}
.mm-cta{margin-top:24px;background:var(--M);color:#fff;border:none;border-radius:100px;padding:16px 24px;font-size:1rem;font-weight:800;font-family:inherit;cursor:pointer;box-shadow:0 4px 16px rgba(168,5,95,.3)}
@media(max-width:900px){.nav-links{display:none}.nav-burger{display:flex}.nav{padding:0 18px}}
@media(min-width:901px){.mobile-menu{display:none}}

/* ── contenedor ── */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:.58rem;font-weight:800;letter-spacing:.24em;text-transform:uppercase;color:var(--M);margin-bottom:10px;display:inline-flex;align-items:center;gap:8px}
.eyebrow::after{content:'';width:36px;height:2.5px;background:linear-gradient(90deg,var(--M),transparent);border-radius:2px}

/* ── breadcrumb ── */
.crumb{padding:92px 0 0;font-size:.76rem;color:var(--MU)}
.crumb a{color:var(--MU);font-weight:600}.crumb a:hover{color:var(--B)}
.crumb span{margin:0 6px;opacity:.5}

/* ── HERO listado ── */
.blog-hero{padding:40px 0 28px;text-align:center}
.blog-hero h1{font-family:'Nunito',sans-serif;font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:-1.5px;line-height:1.08;color:var(--T)}
.blog-hero h1 em{font-style:italic;font-family:'Playfair Display',serif;color:var(--B)}
.blog-hero p{max-width:620px;margin:16px auto 0;color:var(--MU);font-size:1.02rem;line-height:1.8}
.blog-hero .eyebrow{justify-content:center}

/* ── grid de tarjetas ── */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:36px 0 90px}
@media(max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.post-grid{grid-template-columns:1fr}}
.post-card{display:flex;flex-direction:column;border:1.5px solid var(--BR);border-radius:20px;overflow:hidden;background:#fff;transition:transform .3s cubic-bezier(.34,1.2,.64,1),box-shadow .3s,border-color .3s}
.post-card:hover{transform:translateY(-6px);box-shadow:0 22px 55px rgba(33,98,157,.14);border-color:rgba(58,143,206,.35)}
.post-card-img{aspect-ratio:16/10;overflow:hidden;background:var(--BU)}
.post-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .post-card-img img{transform:scale(1.06)}
.post-card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;gap:10px}
.post-tag{align-self:flex-start;font-size:.56rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase;color:var(--B);background:var(--BP);border:1px solid rgba(33,98,157,.18);padding:4px 10px;border-radius:99px}
.post-card h2{font-family:'Nunito',sans-serif;font-size:1.12rem;font-weight:900;line-height:1.25;color:var(--T);letter-spacing:-.3px}
.post-card p{font-size:.82rem;color:var(--MU);line-height:1.6;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:.68rem;color:var(--MU);font-weight:600;margin-top:2px}
.post-more{font-size:.8rem;font-weight:800;color:var(--B)}

/* ── ARTÍCULO ── */
.article{max-width:760px;margin:0 auto;padding:0 24px}
.article-head{padding:16px 0 8px;text-align:left}
.article-head h1{font-family:'Nunito',sans-serif;font-size:clamp(28px,4.4vw,46px);font-weight:900;letter-spacing:-1.4px;line-height:1.12;color:var(--T);margin-bottom:14px}
.article-head h1 em{font-style:italic;font-family:'Playfair Display',serif;color:var(--B)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:.78rem;color:var(--MU);font-weight:600}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--BR)}
.article-cover{margin:26px 0 8px;border-radius:22px;overflow:hidden;aspect-ratio:16/9;background:var(--BU);box-shadow:0 16px 44px rgba(33,98,157,.14)}
.article-cover img{width:100%;height:100%;object-fit:cover}
.lede{font-size:1.14rem;line-height:1.75;color:var(--T2);margin:26px 0 8px;font-weight:500}

.article-body{font-size:1.02rem;line-height:1.85;color:var(--T2)}
.article-body h2{font-family:'Nunito',sans-serif;font-size:1.6rem;font-weight:900;color:var(--T);letter-spacing:-.6px;line-height:1.2;margin:42px 0 14px;scroll-margin-top:88px}
.article-body h3{font-family:'Nunito',sans-serif;font-size:1.2rem;font-weight:800;color:var(--T);margin:30px 0 10px;scroll-margin-top:88px}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--B);font-weight:600;text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(33,98,157,.35)}
.article-body a:hover{text-decoration-color:var(--B)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body strong{color:var(--T);font-weight:700}
.article-body blockquote{margin:24px 0;padding:16px 22px;border-left:4px solid var(--M);background:var(--MP);border-radius:0 12px 12px 0;font-size:1.04rem;color:var(--T2);font-style:italic}
.article-body figure{margin:26px 0}
.article-body figure img{border-radius:16px}
.article-body figcaption{font-size:.76rem;color:var(--MU);text-align:center;margin-top:8px}

/* callout / dato clave */
.callout{margin:26px 0;padding:20px 22px;border-radius:16px;background:var(--BU);border:1.5px solid var(--BR);display:flex;gap:14px}
.callout .ic{font-size:1.5rem;flex-shrink:0}
.callout strong{display:block;color:var(--B);margin-bottom:3px;font-family:'Nunito',sans-serif}
.callout p{margin:0;font-size:.92rem;color:var(--T2)}

/* tabla */
.article-body .tbl-wrap{overflow-x:auto;margin:24px 0}
.article-body table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:460px}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--BR);text-align:left}
.article-body th{background:var(--BP);color:var(--T);font-weight:800;font-family:'Nunito',sans-serif}

/* TOC */
.toc{margin:26px 0;padding:20px 22px;border:1.5px solid var(--BR);border-radius:16px;background:#fff}
.toc-h{font-size:.62rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--MU);margin-bottom:10px}
.toc ol{margin:0;padding-left:20px}
.toc li{margin-bottom:7px;font-size:.9rem}
.toc a{color:var(--T2);font-weight:600}.toc a:hover{color:var(--B)}

/* FAQ */
.faq{margin:36px 0 8px}
.faq-item{border:1.5px solid var(--BR);border-radius:14px;padding:16px 20px;margin-bottom:12px;background:#fff}
.faq-item h3{margin:0 0 6px;font-size:1.02rem}
.faq-item p{margin:0;font-size:.92rem}

/* CTA inscripción */
.article-cta{margin:44px 0;padding:34px 30px;border-radius:24px;background:linear-gradient(135deg,var(--BDD),var(--BD) 45%,var(--B));color:#fff;text-align:center;box-shadow:0 16px 44px rgba(33,98,157,.22)}
.article-cta h3{font-family:'Nunito',sans-serif;font-size:1.5rem;font-weight:900;margin-bottom:10px;letter-spacing:-.5px;color:#fff}
.article-cta p{color:rgba(255,255,255,.9);max-width:520px;margin:0 auto 20px;font-size:.96rem}
.article-cta a{display:inline-block;background:#fff;color:var(--B);font-weight:800;padding:14px 30px;border-radius:100px;font-size:.92rem;box-shadow:0 6px 24px rgba(0,0,0,.18)}
.article-cta a:hover{transform:translateY(-2px)}

/* autor / share */
.article-foot{margin:36px 0 10px;padding-top:24px;border-top:1px solid var(--BR);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.author{display:flex;align-items:center;gap:12px}
.author-av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--B),var(--BL));display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff;flex-shrink:0}
.author-av img{width:26px;height:26px;filter:brightness(0) invert(1)}
.author-n{font-weight:800;color:var(--T);font-size:.9rem;font-family:'Nunito',sans-serif}
.author-r{font-size:.75rem;color:var(--MU)}

/* relacionados */
.related{margin:60px 0 0;padding:40px 0 0;border-top:1px solid var(--BR)}
.related h2{font-family:'Nunito',sans-serif;font-size:1.4rem;font-weight:900;color:var(--T);margin-bottom:22px;letter-spacing:-.5px}

/* ── FOOTER (idéntico a la home) ── */
.site-footer{position:relative;width:100%;background:#fff;overflow:hidden;font-family:'Nunito',sans-serif;margin-top:60px}
.sf-rainbow{position:absolute;top:0;left:0;width:100%;height:5px;z-index:5;background:linear-gradient(90deg,#21629d 0%,#1f8fd0 15%,#17a6b6 29%,#3fb84f 43%,#9CB933 55%,#f4c118 68%,#f0871d 82%,#e2382c 100%)}
.sf-blue,.sf-magenta{position:absolute;top:0;bottom:0;left:0;width:33%;min-width:340px;max-width:540px}
.sf-magenta{background:#a8055f;clip-path:polygon(0 0,calc(100% + 15px) 0,calc(86% + 15px) 100%,0 100%);z-index:1}
.sf-blue{background:#21629d;clip-path:polygon(0 0,100% 0,86% 100%,0 100%);z-index:2}
.sf-inner{position:relative;z-index:3;display:flex;align-items:center;min-height:134px}
.sf-brand{flex:0 0 33%;min-width:340px;max-width:540px;display:flex;align-items:center;padding:20px 4% 20px 4.5%;box-sizing:border-box}
.sf-logo{width:100%;max-width:300px;height:auto;filter:brightness(0) invert(1)}
.sf-info{flex:1;display:flex;align-items:center;justify-content:space-around;gap:10px 14px;padding:16px 2.6% 16px 2.4%;flex-wrap:wrap}
.sf-item{display:flex;align-items:center;gap:12px;text-decoration:none}
.sf-ic{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:#21629d;display:flex;align-items:center;justify-content:center}
.sf-ic svg{width:21px;height:21px;display:block}
.sf-txt{display:flex;flex-direction:column;line-height:1.24}
.sf-t1{font-size:.86rem;color:#3a3a3a;font-weight:600}
.sf-t2{font-size:.98rem;color:#21629d;font-weight:800;white-space:nowrap}
.sf-wa .sf-t2{font-size:1.05rem}
.sf-sep{width:1px;align-self:center;height:52px;background:#dbe4ee;flex:0 0 1px}
.sf-social{display:flex;align-items:center;gap:12px}
.sf-soc{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:#21629d;display:flex;align-items:center;justify-content:center;transition:transform .2s,background .2s}
.sf-soc:hover{transform:translateY(-2px);background:#2a74b5}
.sf-soc svg{width:20px;height:20px;display:block;fill:#fff}
@media(max-width:860px){
  .sf-blue,.sf-magenta{display:none}
  .sf-inner{flex-direction:column;min-height:0}
  .sf-brand{flex:none;width:100%;max-width:none;justify-content:center;background:#21629d;padding:26px 20px}
  .sf-logo{max-width:240px}
  .sf-info{width:100%;box-sizing:border-box;justify-content:center;gap:18px 26px;padding:26px 20px}
  .sf-sep{display:none}
  .sf-info .sf-wa{flex:0 0 100%;justify-content:center}
  .sf-info .sf-social{flex:0 0 100%;justify-content:center}
}