:root{
  --ink:#120228;
  --ink-2:#1f074d;
  --paper:#F4F2FB;
  --paper-2:#ECE7F9;
  --coral:#7C3AED;
  --coral-dark:#6D28D9;
  --mustard:#FACC15;
  --sage:#E9E1FB;
  --line:rgba(18,2,40,0.14);
  --radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:#2c2140;
  font-family:'Plus Jakarta Sans',sans-serif;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Baloo 2',sans-serif;color:var(--ink);line-height:1.18;margin:0 0 .5em;}
p{margin:0 0 1.15em;}
a{color:var(--coral-dark);text-decoration:none;font-weight:700;}
a:hover{text-decoration:underline;}
strong{color:var(--ink);font-weight:800;}
img{max-width:100%;}
::selection{background:var(--mustard);color:var(--ink);}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;}

.wrap{max-width:760px;margin:0 auto;padding:0 24px;}

/* ---------- Top bar ---------- */
.blog-topbar{
  position:sticky;top:0;z-index:50;background:var(--paper);
  border-bottom:1px solid var(--line);
}
.blog-topbar .wrap{
  max-width:900px;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;padding-bottom:14px;gap:12px;
}
.blog-brand{display:flex;align-items:center;gap:10px;font-family:'Baloo 2',sans-serif;font-weight:700;font-size:1.05rem;color:var(--ink);}
.blog-brand .mark{
  width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-weight:700;flex:none;font-size:.85rem;
}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:700;color:var(--ink);}
.back-link:hover{color:var(--coral-dark);text-decoration:none;}

/* ---------- Hero ---------- */
.blog-hero{
  padding:52px 0 40px;color:#fff;
  background:var(--accent-grad, linear-gradient(135deg,var(--coral),var(--ink)));
  position:relative;overflow:hidden;
}
.blog-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at top right, rgba(255,255,255,.2), transparent 60%);
  pointer-events:none;
}
.blog-hero .wrap{position:relative;z-index:1;}
.blog-icon{
  width:68px;height:68px;border-radius:20px;background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:2rem;
  margin-bottom:16px;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.3);
}
.blog-kicker{
  display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;
  background:rgba(255,255,255,.18);padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.blog-hero h1{color:#fff;font-size:clamp(1.8rem,4.2vw,2.6rem);}
.blog-lead{font-size:1.12rem;color:rgba(255,255,255,.94);max-width:62ch;margin-top:12px;}
.blog-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;font-size:.85rem;color:rgba(255,255,255,.82);font-weight:700;}

/* ---------- Body ---------- */
.blog-body{padding:44px 0 10px;}
.blog-body h2{
  font-size:1.4rem;margin-top:2.1em;display:flex;align-items:center;gap:12px;
}
.step-badge{
  flex:none;width:36px;height:36px;border-radius:50%;
  background:var(--accent, var(--coral));color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:'Baloo 2',sans-serif;font-weight:700;font-size:1rem;
}
.blog-body h3{font-size:1.1rem;color:var(--coral-dark);margin-top:1.6em;}
.blog-body p{font-size:1.02rem;color:#3a2d52;}
.callout{
  background:var(--sage);border-left:4px solid var(--accent, var(--coral));
  padding:16px 20px;border-radius:10px;margin:1.6em 0;font-size:.97rem;color:var(--ink);
}
.phrase-list{list-style:none;margin:0 0 1.4em;padding:0;display:grid;gap:10px;}
.phrase-list li{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;
  display:flex;flex-direction:column;gap:2px;
}
.phrase-list .en{font-weight:800;color:var(--ink);}
.phrase-list .es{font-size:.87rem;color:#5c5270;}

.blog-refs{margin-top:2.4em;border-top:1px solid var(--line);padding-top:18px;}
.blog-refs summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:.9rem;}
.blog-refs ol{margin:14px 0 0;padding-left:20px;font-size:.8rem;color:#5c5270;display:grid;gap:8px;}
.blog-refs a{color:var(--coral-dark);font-weight:600;}

/* ---------- CTA ---------- */
.blog-cta{
  background:var(--ink);color:#fff;border-radius:20px;padding:34px;margin:46px 0 56px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.blog-cta h3{color:#fff;margin-bottom:4px;font-size:1.3rem;}
.blog-cta p{color:#d6c9f5;margin:0;}
.blog-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;
  font-weight:700;font-size:.92rem;font-family:'Plus Jakarta Sans',sans-serif;
  transition:transform .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px);text-decoration:none;}
.btn-primary{background:var(--mustard);color:var(--ink);}
.btn-primary:hover{box-shadow:0 10px 22px -6px rgba(250,204,21,.5);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.2);}

.blog-footer{text-align:center;padding:22px;font-size:.82rem;color:#6b6280;}

/* ---------- Entrada del Hero al cargar ---------- */
.blog-icon,.blog-kicker,.blog-hero h1,.blog-lead,.blog-meta{
  animation:blogHeroIn .7s cubic-bezier(.2,.7,.2,1) both;
}
.blog-icon{animation-delay:.02s;}
.blog-kicker{animation-delay:.08s;}
.blog-hero h1{animation-delay:.14s;}
.blog-lead{animation-delay:.22s;}
.blog-meta{animation-delay:.3s;}
@keyframes blogHeroIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
.blog-icon{transition:transform .25s ease;}
.blog-icon:hover{transform:scale(1.1) rotate(-6deg);}

/* ---------- Aparición al hacer scroll ---------- */
.reveal{
  opacity:0;transform:translateY(20px);
  transition:opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- Micro-interacciones ---------- */
.callout,.blog-cta{transition:transform .3s ease, box-shadow .3s ease;}
.callout:hover{transform:translateY(-3px);box-shadow:0 14px 26px -14px rgba(18,2,40,.25);}
.blog-cta:hover{transform:translateY(-4px);box-shadow:0 18px 34px -16px rgba(18,2,40,.4);}
.phrase-list li{transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;}
.phrase-list li:hover{transform:translateY(-2px);box-shadow:0 10px 20px -12px rgba(18,2,40,.25);border-color:var(--accent, var(--coral));}
.step-badge{transition:transform .2s ease;}
.blog-body h2:hover .step-badge{transform:scale(1.12);}

@media (prefers-reduced-motion: reduce){
  .blog-icon,.blog-kicker,.blog-hero h1,.blog-lead,.blog-meta{animation:none;}
  .reveal{opacity:1;transform:none;transition:none;}
}

@media (max-width:640px){
  .blog-hero{padding:40px 0 30px;}
  .blog-body{padding:34px 0 6px;}
  .blog-cta{padding:26px;flex-direction:column;align-items:flex-start;}
}