/* ===== Variables y base ===== */
:root{
  --ink:#1a1d29;
  --ink-soft:#4a4f5e;
  --paper:#fbfaf8;
  --line:#e3e1dc;
  --accent:#0b4f9c;
  --accent-dim:#e8f0ff;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Inter',sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:'Lora',serif;font-weight:600;line-height:1.25;margin:0;}
a{color:var(--accent);}
.col{max-width:720px;margin:0 auto;padding:0 24px;}

/* ===== Header / navegación ===== */
header.site{border-bottom:1px solid var(--line);padding:22px 0;position:relative;}
header.site .col{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
.brand{font-family:'Lora',serif;font-weight:600;font-size:1.05rem;color:var(--ink);text-decoration:none;}
nav.site a{color:var(--ink-soft);text-decoration:none;font-size:0.92rem;margin-left:22px;}
nav.site a.current{color:var(--accent);}
nav.site a:hover{color:var(--accent);}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;margin:0;}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:transform .2s ease, opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:600px){
  .menu-toggle{display:block;}
  nav.site{display:none;width:100%;flex-direction:column;gap:4px;position:absolute;top:100%;left:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 24px 18px;}
  nav.site.open{display:flex;}
  nav.site a{margin-left:0;padding:10px 0;font-size:1rem;}
}

/* ===== Hero (home) ===== */
.hero{padding:88px 0 64px;}
.hero .eyebrow{font-size:0.82rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:18px;display:block;}
.hero h1{font-size:2.35rem;letter-spacing:-0.01em;}
.hero h1 em{font-style:italic;color:var(--accent);}
.hero p.lede{margin-top:22px;font-size:1.12rem;color:var(--ink-soft);max-width:58ch;}

body.home section{padding:56px 0;border-top:1px solid var(--line);}
body.home section h2{font-size:1.5rem;margin-bottom:20px;}
body.home section > .col > p{color:var(--ink-soft);max-width:60ch;}

.knowledge-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px;}
.knowledge-list li{padding:16px 0 16px 20px;border-left:2px solid var(--accent);font-family:'Lora',serif;font-size:1.02rem;}

.stats{display:flex;flex-direction:column;gap:26px;}
.stat{display:flex;align-items:baseline;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.stat:last-child{border-bottom:none;padding-bottom:0;}
.stat .num{font-family:'Lora',serif;font-weight:600;font-size:1.9rem;color:var(--accent);white-space:nowrap;min-width:120px;}
.stat .desc{color:var(--ink-soft);font-size:0.98rem;}

@media (max-width:600px){
  .hero{padding:56px 0 40px;}
  .hero h1{font-size:1.85rem;}
  .knowledge-list{grid-template-columns:1fr;}
  .stat{flex-direction:column;gap:4px;}
  .stat .num{min-width:auto;}
}

/* ===== Cabecera de páginas interiores ===== */
.page-head{padding:64px 0 8px;}
.page-head .eyebrow{font-size:0.82rem;letter-spacing:0.06em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:16px;display:block;}
.page-head .eyebrow a{color:var(--accent);}
.page-head h1{font-size:2.1rem;letter-spacing:-0.01em;}
.page-head p.lede{margin-top:18px;color:var(--ink-soft);max-width:60ch;}
.byline{margin-top:18px;color:var(--ink-soft);font-size:0.92rem;}
.byline a{color:var(--ink-soft);text-decoration:underline;}
.byline a:hover{color:var(--accent);}

body.page-post .page-head{
  padding:150px 0 56px;
  background-size:cover;
  background-position:center;
  background-color:var(--ink);
}
body.page-post .page-head h1{font-size:1.9rem;max-width:22ch;color:var(--paper);}
body.page-post .page-head .eyebrow{color:var(--accent-dim);}
body.page-post .page-head .eyebrow a{color:var(--accent-dim);}
body.page-post .byline{color:rgba(251,250,248,.75);}
body.page-post .byline a{color:var(--paper);}

body.post-ia-generativa-marketing-digital .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-ia-generativa-marketing-digital.jpg);}
body.post-la-ia-no-viene-a-quitarte-el-trabajo .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-la-ia-no-viene-a-quitarte-el-trabajo.jpg);}
body.post-ciclo-de-vida-del-cliente-clv .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-ciclo-de-vida-del-cliente-clv.jpg);}
body.post-google-analytics-4-que-ha-cambiado .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-google-analytics-4-que-ha-cambiado.jpg);}
body.post-aumentar-las-conversiones .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-aumentar-las-conversiones.jpg);}
body.post-evolucion-del-ceo-marketing .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-evolucion-del-ceo-marketing.jpg);}
body.post-madurez-de-desempeno-del-equipo .page-head{background-image:linear-gradient(180deg, rgba(10,12,20,.35), rgba(10,12,20,.72)), url(/img/post-madurez-de-desempeno-del-equipo.jpg);}

@media (max-width:600px){
  body.page-post .page-head{padding:90px 0 36px;}
}
body.page-contacto .page-head{padding:88px 0 32px;}
body.page-contacto .page-head h1{font-size:2rem;max-width:20ch;}
body.page-contacto .page-head p.lede{margin-top:20px;max-width:56ch;font-size:1.08rem;}

@media (max-width:600px){
  .page-head{padding:44px 0 4px;}
  .page-head h1{font-size:1.55rem;}
  body.page-articulos .page-head h1,
  body.page-sobre-mi .page-head h1,
  body.page-trayectoria .page-head h1{font-size:1.7rem;}
  body.page-contacto .page-head{padding:56px 0 24px;}
  body.page-contacto .page-head h1{font-size:1.6rem;}
}

/* ===== Sobre mí ===== */
.bio-body{padding:40px 0 8px;}
.bio-body .col > p{color:var(--ink-soft);max-width:64ch;margin:0 0 22px;}
.bio-body .col > p strong{color:var(--ink);font-weight:600;}

.diferenciador{margin:48px auto 0;padding:32px 0;border-top:1px solid var(--line);}
.diferenciador h2{font-size:1.25rem;margin-bottom:14px;}
.diferenciador p{color:var(--ink-soft);max-width:62ch;}

/* ===== Trayectoria ===== */
body.page-trayectoria section{padding:48px 0;border-top:1px solid var(--line);}
body.page-trayectoria section h2{font-size:1.4rem;margin-bottom:24px;}

.timeline{display:flex;flex-direction:column;gap:0;}
.role{padding:26px 0;border-bottom:1px solid var(--line);}
.role:last-child{border-bottom:none;}
.role .meta{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;margin-bottom:8px;}
.role h3{font-size:1.08rem;}
.role .period{font-size:0.86rem;color:var(--ink-soft);white-space:nowrap;}
.role .position{font-size:0.94rem;color:var(--accent);font-weight:500;margin-bottom:6px;display:block;}
.role p{margin:0;color:var(--ink-soft);max-width:62ch;}

.edu-list{list-style:none;margin:0;padding:0;}
.edu-list li{padding:14px 0;border-bottom:1px solid var(--line);}
.edu-list li:last-child{border-bottom:none;}
.edu-list .school{font-family:'Lora',serif;font-size:1rem;}
.edu-list .detail{color:var(--ink-soft);font-size:0.9rem;}

.tag-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px;}
.tag-list li{padding:8px 16px;border:1px solid var(--line);border-radius:2px;font-size:0.9rem;color:var(--ink-soft);}

@media (max-width:600px){
  body.page-trayectoria .role .meta{flex-direction:column;gap:2px;}
}

/* ===== Listado del blog ===== */
.posts{padding:40px 0 8px;display:flex;flex-direction:column;}
.post{padding:26px 0;border-top:1px solid var(--line);}
.post h2{font-size:1.15rem;margin-bottom:8px;}
.post h2 a{color:var(--ink);text-decoration:none;}
.post h2 a:hover{color:var(--accent);}
.post p{margin:0;color:var(--ink-soft);max-width:62ch;}
.post .meta{font-size:0.85rem;color:var(--ink-soft);margin-bottom:6px;display:block;}
.empty-state{color:var(--ink-soft);padding:26px 0;border-top:1px solid var(--line);}

/* ===== Artículo individual ===== */
article.article-body{padding:40px 0 8px;max-width:720px;margin:0 auto;padding-left:24px;padding-right:24px;}
article.article-body h2{font-size:1.35rem;margin-top:40px;margin-bottom:16px;}
article.article-body p{margin:0 0 20px;color:var(--ink-soft);max-width:66ch;}
article.article-body p strong{color:var(--ink);font-weight:600;}
article.article-body ul,article.article-body ol{margin:0 0 20px;padding-left:22px;color:var(--ink-soft);}
article.article-body li{margin-bottom:10px;max-width:64ch;}
article.article-body li strong{color:var(--ink);font-weight:600;}
article.article-body a{color:var(--accent);text-decoration:underline;}

.faq{padding:16px 0 8px;border-top:1px solid var(--line);margin-top:24px;}
.faq h2{font-size:1.25rem;margin-bottom:24px;}
.faq-item{padding:20px 0;border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item h3{font-size:1.02rem;margin-bottom:8px;}
.faq-item p{margin:0;color:var(--ink-soft);max-width:64ch;}

.related{padding:8px 0 8px;border-top:1px solid var(--line);margin-top:8px;}
.related h2{font-size:1.1rem;margin:24px 0 16px;}
.related-list{list-style:none;margin:0;padding:0;}
.related-list li{padding:14px 0;border-bottom:1px solid var(--line);}
.related-list li:last-child{border-bottom:none;}
.related-list a{color:var(--ink);text-decoration:none;font-family:'Lora',serif;font-size:1rem;}
.related-list a:hover{color:var(--accent);}

/* ===== Contacto ===== */
.contact-block{padding:8px 0 80px;}
.contact-line{display:flex;align-items:baseline;gap:14px;padding:20px 0;border-top:1px solid var(--line);}
.contact-line:last-child{border-bottom:1px solid var(--line);}
.contact-line .label{font-size:0.85rem;color:var(--ink-soft);min-width:90px;}
.contact-line a{font-family:'Lora',serif;font-size:1.15rem;text-decoration:none;color:var(--ink);}
.contact-line a:hover{color:var(--accent);}

/* ===== Botones / CTA compartidos ===== */
.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin:40px 0 60px;}
body.home .cta-row,
body.page-trayectoria .cta-row{margin:8px 0 0;}
.btn{display:inline-block;padding:13px 22px;border-radius:2px;text-decoration:none;font-size:0.94rem;font-weight:500;}
.btn.primary{background:var(--accent);color:#fff;}
.btn.secondary{border:1px solid var(--line);color:var(--ink);}
.btn:hover.primary{background:#083f7c;}
.btn:hover.secondary{border-color:var(--accent);color:var(--accent);}

/* ===== Footer ===== */
footer{padding:40px 0 60px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:0.9rem;}
footer a{color:var(--ink-soft);}
footer a:hover{color:var(--accent);}

/* ===== Accesibilidad ===== */
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}