:root{
  --ink:        #0f1419;
  --ink-2:      #2a3142;
  --text:       #4a5366;
  --muted:      #8089a0;
  --muted-2:    #b0b6c4;
  --line:       #e8eaf0;
  --line-2:     #f1f3f7;
  --bg:         #ffffff;
  --bg-soft:    #f9fbff;
  --bg-blue:    #eef2ff;
  --accent:     #2952f0;
  --accent-2:   #5b7cff;
  --accent-dk:  #1a3dd1;
  --accent-soft:#dde5ff;
  --purple:     #6b4ef0;
  --grad:       linear-gradient(95deg, #2952f0 0%, #5b3ee8 55%, #7d3fe6 100%);

  --sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --script: "Caveat", cursive;
  --signature: "Dancing Script", cursive;

  --radius:   16px;
  --radius-lg: 24px;
  --maxw:     1240px;
  --pad:      clamp(20px, 4vw, 60px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top: 78px; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:0; background:none; color:inherit; }
::selection{ background: var(--accent); color: #fff; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

h1,h2,h3,h4{
  font-family: var(--sans);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.025em;
  margin: 0;
  line-height: 1.1;
}
p{ margin: 0 0 1em; color: var(--text); }
.muted{ color: var(--muted); }

/* Eyebrow */
.eyebrow{
  display: inline-block;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow.center{ display:block; text-align:center; }

/* =========================================================
   BOTONES
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 14px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.005em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
  font-family: var(--sans);
}
.btn svg{ width:16px; height:16px; }
.btn-primary{
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px -2px rgba(41,82,240,.35);
}
.btn-primary:hover{
  background: var(--accent-dk);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -4px rgba(41,82,240,.5);
}
.btn-ghost{
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover{ border-color: var(--ink); transform: translateY(-1px); }
.btn-white{
  background: #fff;
  color: var(--ink);
}
.btn-white:hover{ background: var(--ink); color: #fff; transform: translateY(-1px); }


.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
/* Estado "sobre el hero": transparente, con el contenido en blanco */
.nav.over-hero .nav-links a{ color: rgba(255,255,255,.82); }
.nav.over-hero .nav-links a:hover,
.nav.over-hero .nav-links a.active{ color: #fff; }
.nav.over-hero .nav-links a.active::after{ background: #fff; }
.nav.over-hero .brand img{ filter: brightness(0) invert(1); }
.nav.over-hero .menu-toggle{
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.28);
  color: #fff;
}
/* Estado scrolleado: barra blanca */
.nav.scrolled{
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(15,20,25,.06);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 24px;
}
.nav-cta{ display:flex; align-items:center; gap:10px; }
.brand{
  display:flex; align-items:center;
  height: 42px;
}
.brand img{ height: 42px; width: auto; }

.nav-links{
  display:flex; align-items:center; gap: 32px;
  list-style:none; margin:0; padding:0;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a{
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
  transition: color .2s ease;
}
.nav-links a:hover{ color: var(--accent); }
.nav-links a.active{ color: var(--accent); font-weight: 600; }
.nav-links a.active::after{
  content:"";
  position:absolute;
  left: 0; right: 0;
  bottom: -22px;
  height: 2px;
  background: var(--accent);
}

.menu-toggle{ display:none; }
@media (max-width: 1024px){
  .nav-links{ display:none; }
  .menu-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width:44px; height:44px; border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color: var(--ink);
    cursor:pointer;
    flex: 0 0 auto;
    padding:0;
  }
  .menu-toggle svg{ width:22px; height:22px; }
  .menu-toggle .icon-close{ display:none; }
  .menu-toggle[aria-expanded="true"] .icon-open{ display:none; }
  .menu-toggle[aria-expanded="true"] .icon-close{ display:block; }
  .nav-inner{ gap: 12px; }
  .nav-cta .btn{ padding:11px 14px; font-size:13px; }
  .nav-cta .btn svg{ display:none; }
}
@media (max-width: 560px){
  .brand img{ height: 34px; }
  .nav-cta .btn{ padding:10px 12px; font-size:12.5px; }
}

/* --- Menú mobile (drawer) --- */
.mobile-menu{
  position: fixed;
  inset: 0 0 auto 0;
  top: 0;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 88px var(--pad) 28px;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform .35s cubic-bezier(.4,0,.2,1), opacity .3s ease, visibility .35s;
  box-shadow: 0 24px 60px -24px rgba(15,20,25,.25);
  max-height: 100dvh;
  overflow-y: auto;
}
.mobile-menu.open{ transform: translateY(0); opacity:1; visibility:visible; }
.mobile-menu ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; }
.mobile-menu a{
  display:block;
  padding: 15px 2px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
}
.mobile-menu a:active{ color: var(--accent); }
.mobile-menu .mm-cta{
  margin-top: 24px;
  border-bottom: 0;
  text-align:center;
  padding: 15px 20px;
  border-radius: 12px;
  background: var(--grad);
  color:#fff;
}
.menu-backdrop{
  position: fixed; inset:0; z-index: 98;
  background: rgba(15,20,25,.35);
  opacity:0; visibility:hidden;
  transition: opacity .3s ease, visibility .3s;
}
.menu-backdrop.open{ opacity:1; visibility:visible; }
body.menu-open{ overflow:hidden; }
@media (min-width: 1025px){
  .mobile-menu, .menu-backdrop{ display:none !important; }
}


footer{
  background: var(--bg);
  padding: 60px 0 28px;
  border-top: 1px solid var(--line);
}
.foot-grid{
  display:grid;
  grid-template-columns: 1.3fr .9fr .9fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.foot-brand img{ height: 44px; margin-bottom: 20px; }
.foot-brand p{
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  max-width: 320px;
  margin-bottom: 22px;
}
.foot-col h4{
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 22px;
}
.foot-col ul{ list-style: none; padding:0; margin:0; display:flex; flex-direction:column; gap: 10px; }
.foot-col a{
  font-size: 14px; color: var(--text);
  transition: color .2s ease;
  display:inline-flex; align-items:center; gap: 8px;
}
.foot-col a:hover{ color: var(--accent); }
.foot-col li a svg,
.foot-col li span svg{ width: 14px; height: 14px; flex: 0 0 auto; opacity: .7; }
.foot-col li span{ font-size: 14px; color: var(--text); display:inline-flex; align-items:center; gap: 8px; }

.socials{ display:flex; gap: 10px; }
.socials a{
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  display:flex; align-items:center; justify-content:center;
  color: var(--ink-2);
  transition: background .25s ease, color .25s ease, transform .25s ease, border-color .25s ease;
}
.socials a:hover{ background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.socials svg{ width: 15px; height: 15px; }

.foot-bottom{
  display:flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  gap: 16px;
  flex-wrap: wrap;
}
.foot-bottom .legal{ display:flex; gap: 24px; flex-wrap:wrap; }
.foot-bottom .legal a:hover{ color: var(--accent); }

@media (max-width: 880px){ .foot-grid{ grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px){ .foot-grid{ grid-template-columns: 1fr; } }


/* =========================================================
   ARTÍCULO
   ========================================================= */
body{ background: var(--bg); }

.barra-progreso{
  position: fixed; top: 0; left: 0; right: 0;
  height: 3px; z-index: 101;
  background: transparent;
  pointer-events: none;
}
.barra-progreso span{
  display: block; height: 100%; width: 0;
  background: var(--grad);
  transition: width .1s linear;
}

.art-head{
  padding: calc(78px + clamp(40px, 6vw, 72px)) 0 clamp(28px, 4vw, 40px);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line-2);
}
.volver{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 13px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
  transition: color .2s ease, gap .2s ease;
}
.volver:hover{ color: var(--accent); gap: 12px; }
.volver svg{ width: 15px; height: 15px; }

.art-head h1{
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.13;
  letter-spacing: -0.032em;
  font-weight: 700;
  color: var(--ink);
  max-width: 880px;
  margin: 0 0 30px;
}
.art-meta{ display:flex; align-items:center; gap: 14px; }
.art-meta img{
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #fff;
  box-shadow: 0 4px 14px rgba(15,20,25,.1);
}
.art-meta strong{ display:block; font-size: 15px; color: var(--ink); font-weight: 700; }
.art-meta span{ font-size: 13.5px; color: var(--muted); }

.art-cover{
  margin: 0;
  max-width: 1000px;
  padding: 0 var(--pad);
  margin: clamp(28px, 4vw, 44px) auto 0;
}
.art-cover img, .art-cover svg{
  width: 100%;
  aspect-ratio: 12/5;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(15,20,25,.3);
}

/* Cuerpo: medida corta y tipografía grande, pensada para leer */
.art-body{
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 64px) var(--pad) 0;
  font-size: 19px;
  line-height: 1.75;
  color: var(--ink-2);
}
.art-body p{ margin: 0 0 26px; }
.art-body p.lead{
  font-size: 23px;
  line-height: 1.55;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 30px;
}
.art-body strong{ color: var(--ink); font-weight: 700; }
.art-body h2{
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: var(--ink);
  margin: 52px 0 20px;
}
.art-body blockquote{
  margin: 40px 0;
  padding: 0 0 0 26px;
  border-left: 3px solid var(--accent);
  font-size: 22px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.art-body ul.destacada{
  list-style: none;
  margin: 0 0 30px;
  padding: 26px 28px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.art-body ul.destacada li{
  position: relative;
  padding-left: 26px;
  margin-bottom: 14px;
  font-size: 17.5px;
  line-height: 1.6;
}
.art-body ul.destacada li:last-child{ margin-bottom: 0; }
.art-body ul.destacada li::before{
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.art-foot{
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 60px) var(--pad) clamp(60px, 8vw, 90px);
}

/* Embed de LinkedIn */
.li-embed{
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px 24px;
  margin-bottom: 36px;
  background: var(--bg-soft);
}
.li-embed h3{ font-size: 19px; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.li-embed p{ font-size: 15px; color: var(--muted); margin: 0 0 22px; }
.li-embed iframe{
  display: block;
  border-radius: var(--radius);
  background: #fff;
  max-width: 100%;
}

.cta-articulo{
  background: var(--grad);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 48px);
  text-align: center;
  color: #fff;
}
.cta-articulo h3{ font-size: clamp(22px, 3vw, 28px); font-weight: 700; margin: 0 0 12px; letter-spacing: -0.02em; color: #fff; }
.cta-articulo p{ font-size: 16px; line-height: 1.6; color: rgba(255,255,255,.85); margin: 0 auto 26px; max-width: 460px; }
.cta-articulo .btn-primary{ background: #fff; color: var(--accent); box-shadow: none; }
.cta-articulo .btn-primary:hover{ background: #f2f5ff; transform: translateY(-2px); }
.ver-en-li{
  display: flex; align-items:center; justify-content:center; gap: 8px;
  margin-top: 20px;
  font-size: 14px; font-weight: 600;
  color: rgba(255,255,255,.8);
}
.ver-en-li:hover{ color: #fff; }
.ver-en-li svg{ width: 16px; height: 16px; }

.otros{ margin-top: 44px; display: grid; gap: 16px; }
.otro{
  display: block;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.otro:hover{
  border-color: var(--accent-soft);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -22px rgba(41,82,240,.28);
}
.otro .k{
  display:inline-flex; align-items:center; gap:7px;
  font-size: 12px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.otro .k svg{ width: 14px; height: 14px; color: #0a66c2; }
.otro strong{ display:block; font-size: 19px; line-height: 1.32; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }

@media (max-width: 600px){
  .art-body{ font-size: 17.5px; }
  .art-body p.lead{ font-size: 20px; }
  .art-body blockquote{ font-size: 19px; padding-left: 20px; margin: 32px 0; }
  .art-cover img, .art-cover svg{ aspect-ratio: 16/10; border-radius: var(--radius); }
}
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}