/* =====================================================================
   paginas.css — base común de las páginas de contenido
   (meta-ads.html, diseno-branding.html y la sección recursos/).
   Reutiliza los mismos componentes que la portada (pasos, beneficios,
   preguntas, cierre). Los colores los pone tema-portfolio.css.
   ===================================================================== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --black:#000;--white:#fff;--g1:#f4f4f4;--g2:#e4e4e4;--g3:#8c8c8c;--g4:#4a4a4a;
  --display:'Inter Tight',sans-serif;--body:'Inter',sans-serif;
  --maxw:1240px;--gut:clamp(20px,5vw,48px);--r:2px;
}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--black);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;letter-spacing:-.04em;line-height:1}
.lt{font-weight:300;letter-spacing:-.035em}
.lbl{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:-.01em}
.lbl::before{content:"";width:28px;height:2px;background:currentColor;flex:none}
.pad{padding:clamp(80px,10vw,140px) 0}
.hair{border-top:1px solid var(--g2)}
.light{background:var(--g1)}
.h2{font-size:clamp(34px,4.6vw,60px);margin-top:22px;max-width:16ch}
.lead{color:var(--g4);font-size:clamp(17px,1.6vw,19px);line-height:1.5;max-width:560px}
.grid2{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:start}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:-.01em;padding:16px 26px;border-radius:var(--r);cursor:pointer;border:1.5px solid var(--black);transition:background .2s ease,color .2s ease;line-height:1}
.btn-solid{background:var(--black);color:var(--white)}
.btn-line{background:transparent;color:var(--black)}
.acts{display:flex;gap:12px;flex-wrap:wrap}

/* Cabecera */
header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .3s ease,padding .3s ease;padding:22px 0}
header.scrolled{border-bottom-color:var(--g2);padding:14px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:block;color:var(--black);line-height:0}
.logo svg{height:38px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-family:var(--display);font-weight:500;font-size:14.5px;color:var(--g4);transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--black)}
.nav-cta{font-family:var(--display);font-weight:700;font-size:14px;padding:11px 18px;border:1.5px solid var(--black);border-radius:var(--r);transition:background .2s,color .2s}
.mnav{display:none;gap:16px;font-family:var(--display);font-weight:700;font-size:14px}

/* Cabecera de página (usa la clase .hero para heredar el violeta del tema) */
.hero.pg-hero{padding:clamp(150px,16vw,200px) 0 clamp(70px,9vw,110px)}
.pg-hero .crumbs{font-family:var(--display);font-weight:600;font-size:13px;margin-bottom:28px;opacity:.85}
.pg-hero .crumbs a{text-decoration:underline;text-underline-offset:3px}
.pg-hero h1{font-size:clamp(44px,7.4vw,104px);font-weight:900;letter-spacing:-.055em;line-height:.94;margin-top:24px;max-width:14ch}
.pg-hero .intro{margin-top:30px;font-size:clamp(17px,1.7vw,21px);line-height:1.5;max-width:620px}
.pg-hero .acts{margin-top:36px}

/* Pasos (como “Cómo trabajamos” en la portada) */
.steps{border-top:1px solid var(--g2)}
.step{display:grid;grid-template-columns:150px minmax(0,4fr) minmax(0,6fr);gap:clamp(16px,4vw,60px);padding:40px 0;border-bottom:1px solid var(--g2);align-items:baseline}
.step .n{font-family:var(--display);font-weight:900;font-size:clamp(48px,6.4vw,88px);letter-spacing:-.06em;line-height:.8}
.step h3{font-size:clamp(22px,2.5vw,30px)}
.step p{color:var(--g4);font-size:16px;max-width:560px}

/* Beneficios / qué incluye */
.benefits{border-top:1px solid var(--g2)}
.benefit{display:grid;grid-template-columns:36px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--g2)}
.benefit .sq{width:10px;height:10px;background:var(--black);margin-top:7px}
.benefit h3,.benefit h4{font-size:18px;margin-bottom:6px;letter-spacing:-.025em;line-height:1.15}
.benefit p{color:var(--g4);font-size:15px}

/* Tarjetas (casos de uso, recursos relacionados) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,20px)}
.card{display:flex;flex-direction:column;gap:12px;padding:clamp(24px,2.6vw,34px);border:1.5px solid var(--g2);border-radius:var(--r);background:var(--white);transition:border-color .2s}
.card:hover{border-color:currentColor}
.card .k{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--g3)}
.card h3{font-size:clamp(20px,2vw,24px);line-height:1.1}
.card p{color:var(--g4);font-size:15px}
.card .go{margin-top:auto;font-family:var(--display);font-weight:700;font-size:14px}

/* Preguntas frecuentes */
.faq{border-top:1px solid var(--g2)}
.faq-item{border-bottom:1px solid var(--g2)}
.faq-q{width:100%;background:none;border:none;color:var(--black);font-family:var(--display);font-weight:700;font-size:clamp(18px,2.1vw,22px);letter-spacing:-.03em;text-align:left;padding:26px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;cursor:pointer}
.faq-q .plus{width:34px;height:34px;flex:none;border:1.5px solid var(--black);border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-weight:400;font-size:24px;line-height:1;transition:transform .3s,background .2s,color .2s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--black);color:var(--white)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 60px 28px 0;color:var(--g4);font-size:16px;max-width:720px}

/* Cierre (usa la clase .final para heredar el violeta del tema) */
.pg-cta{padding:clamp(80px,10vw,130px) 0}
.pg-cta .row-cta{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,80px);align-items:end}
.pg-cta h2{font-size:clamp(38px,5.6vw,76px);margin-top:22px}
.pg-cta .acts{justify-content:flex-end}

/* Artículos de recursos */
.article-head .meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:22px;font-family:var(--display);font-weight:600;font-size:14px;opacity:.85}
.article{padding:clamp(60px,8vw,100px) 0}
.prose{max-width:720px}
.prose > * + *{margin-top:18px}
.prose h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.04em;line-height:1.1;margin-top:52px}
.prose h3{font-size:clamp(20px,2.2vw,24px);letter-spacing:-.03em;line-height:1.15;margin-top:34px}
.prose p,.prose li{color:#2a2a2a;font-size:17px;line-height:1.7}
.prose ul,.prose ol{padding-left:22px}
.prose li + li{margin-top:8px}
.prose strong{color:var(--black)}
.prose a{text-decoration:underline;text-underline-offset:3px}
.callout{border-left:3px solid var(--black);background:var(--g1);padding:18px 22px;margin-top:28px!important}
.callout p{font-size:16px!important}
.toc{border:1.5px solid var(--g2);border-radius:var(--r);padding:20px 24px;margin-bottom:36px}
.toc p{font-family:var(--display);font-weight:700;font-size:14px;margin-bottom:8px}
.toc ol{padding-left:20px}
.toc li{font-size:15px;color:var(--g4)}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}
.author{display:flex;gap:16px;align-items:center;margin-top:56px;padding-top:28px;border-top:1px solid var(--g2)}
.author img{width:64px;height:auto}
.author p{font-size:14px;color:var(--g4);line-height:1.5}
.author strong{display:block;font-family:var(--display);font-size:16px;color:var(--black)}

/* Pie (mismo que la portada) */
footer{padding:60px 0 40px;border-top:1px solid var(--g2)}
.foot{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,3fr);gap:30px;align-items:start}
.foot .flogo{color:var(--black);display:block;line-height:0}
.foot .flogo svg{height:40px;width:auto;display:block}
.foot .fc{color:var(--g4);font-size:15px;line-height:1.7}
.foot .fs{display:flex;gap:10px;justify-content:flex-end}
.foot .fs a{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--black);border-radius:var(--r);color:var(--black);transition:background .2s,color .2s}
.foot .fs svg{width:18px;height:18px;fill:currentColor}
.legal{margin-top:44px;padding-top:22px;border-top:1px solid var(--g2);color:var(--g3);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* Aparición al hacer scroll */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .nav-links,.nav-cta-desktop{display:none}
  .mnav{display:flex}
  .grid2,.pg-cta .row-cta{grid-template-columns:1fr}
  .pg-cta .acts{justify-content:flex-start}
  .step{grid-template-columns:70px 1fr;gap:16px}
  .step p{grid-column:2}
  .cards{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .foot .fs{justify-content:flex-start}
  .faq-a p{padding-right:0}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}