/* ============================================================
   MARCELO ENRÍQUEZ · main.css — LIGHT THEME
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:17px;}
body{font-family:var(--ff-body);background:var(--white);color:var(--ink);overflow-x:hidden;line-height:1.65;}
img{max-width:100%;display:block;}
a{color:inherit;}
:root{
  --navy:#0D1B2A;--navy2:#122035;
  --blue:#1A5FA8;--blue-d:#1A4A7A;--blue-l:#EBF3FC;--blue-m:#C2D9F5;
  --teal:#0E6E55;--teal-d:#085041;--teal-l:#E2F5EE;--teal-m:#9FE1CB;
  --amber:#B45309;--amber-l:#FEF3C7;--amber-m:#FAC775;
  --purple:#5B21B6;--purple-l:#F3EFFB;
  --sand:#F7F4EE;--sand2:#EFECE5;
  --ink:#111827;--muted:#6B7280;--muted2:#9CA3AF;
  --border:#E5E7EB;--border2:#D1D5DB;--white:#FFFFFF;
  --ff-display:'DM Serif Display',Georgia,serif;
  --ff-body:'DM Sans',sans-serif;
  --r-sm:6px;--r-md:10px;--r-lg:14px;--r-xl:22px;
  --sh-sm:0 1px 4px rgba(0,0,0,.06);
  --sh-md:0 4px 16px rgba(0,0,0,.08);
  --sh-lg:0 12px 40px rgba(0,0,0,.10);
  --sh-xl:0 24px 60px rgba(0,0,0,.12);
}
h1,h2{font-family:var(--ff-display);letter-spacing:-.02em;line-height:1.15;color:var(--navy);}
p{font-weight:300;line-height:1.8;}
strong{font-weight:500;color:var(--ink);}
em.blue{font-style:italic;color:var(--blue);}
em.teal{font-style:italic;color:var(--teal);}
em.amber{font-style:italic;color:var(--amber);}
/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;height:70px;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:var(--sh-md);}
.nav-logo{font-family:var(--ff-display);font-size:1.22rem;color:var(--navy);text-decoration:none;flex-shrink:0;}
.nav-logo span{color:var(--blue);}
.nav-menu{display:flex;align-items:center;gap:.1rem;list-style:none;margin:0 1.5rem;}
.nav-menu a{font-size:.9rem;color:var(--muted);text-decoration:none;padding:.5rem .9rem;border-radius:var(--r-sm);transition:color .2s,background .2s;white-space:nowrap;}
.nav-menu a:hover{color:var(--ink);background:var(--sand);}
.nav-menu a.active{color:var(--blue);font-weight:500;}
.nav-cta{font-size:.9rem;font-weight:500;white-space:nowrap;padding:.62rem 1.4rem;border-radius:var(--r-sm);background:var(--navy);color:var(--white);text-decoration:none;transition:background .2s,box-shadow .2s;}
.nav-cta:hover{background:var(--blue);box-shadow:0 4px 16px rgba(26,95,168,.25);}
.nav-ham{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:.4rem;}
.nav-ham span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s,opacity .25s;}
.nav-ham.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-ham.open span:nth-child(2){opacity:0;}
.nav-ham.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{display:none;position:fixed;top:70px;left:0;right:0;z-index:199;background:var(--white);border-bottom:1px solid var(--border);padding:1rem 5vw 1.75rem;flex-direction:column;gap:.2rem;box-shadow:var(--sh-lg);}
.nav-drawer.open{display:flex;}
.nav-drawer a{font-size:1rem;color:var(--muted);text-decoration:none;padding:.7rem .75rem;border-radius:var(--r-sm);transition:background .2s,color .2s;}
.nav-drawer a:hover{background:var(--sand);color:var(--ink);}
.nav-drawer .drawer-cta{margin-top:.6rem;text-align:center;background:var(--navy);color:var(--white);padding:.9rem;border-radius:var(--r-sm);font-weight:500;}
/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--ff-body);font-size:.98rem;font-weight:500;padding:.92rem 1.85rem;border-radius:var(--r-md);border:none;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap;line-height:1;}
.btn:hover{transform:translateY(-2px);}
.btn1{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--ff-body);font-size:.8rem;font-weight:500;padding:.5rem 1.0rem;border-radius:var(--r-md);border:none;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap;line-height:1;}
.btn1:hover{transform:translateY(-2px);}
.btn-sm{font-size:.85rem;padding:.65rem 1.2rem;}
.btn-blue{background:var(--blue);color:var(--white);}
.btn-blue:hover{background:var(--blue-d);box-shadow:0 8px 28px rgba(26,95,168,.3);}
.btn-teal{background:var(--teal);color:var(--white);}
.btn-teal:hover{background:var(--teal-d);box-shadow:0 8px 28px rgba(14,110,85,.28);}
.btn-navy{background:var(--navy);color:var(--white);}
.btn-navy:hover{background:var(--navy2);box-shadow:0 8px 28px rgba(13,27,42,.25);}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--border2);}
.btn-outline:hover{border-color:var(--navy);background:var(--sand);box-shadow:none;}
.btn-ghost-w{background:transparent;color:rgba(255,255,255,.8);border:1.5px solid rgba(255,255,255,.3);}
.btn-ghost-w:hover{color:var(--white);border-color:rgba(255,255,255,.7);box-shadow:none;}
.btn-row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center;}
/* LAYOUT */
.section{padding:5.5rem 5vw;}
.bg-white{background:var(--white);}
.bg-sand{background:var(--sand);}
.bg-sand2{background:var(--sand2);}
.bg-navy{background:var(--navy);}
.container{max-width:1160px;margin:0 auto;}
/* EYEBROWS */
.eyebrow{font-size:.78rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--muted2);margin-bottom:.9rem;display:flex;align-items:center;gap:.55rem;}
.eyebrow::before{content:'';display:inline-block;width:22px;height:1px;background:currentColor;}
.eyebrow-c{color:var(--blue);justify-content:center;}
.eyebrow-bl{color:var(--blue);}
.eyebrow-ve{color:var(--teal);}
.eyebrow-bl::before{background:var(--blue);}
.eyebrow-lt{color:rgba(255,255,255,.4);}
.eyebrow-lt::before{background:rgba(255,255,255,.3);}
/* TAGS */
.tag{display:inline-block;font-size:.74rem;font-weight:500;padding:.25rem .7rem;border-radius:4px;letter-spacing:.03em;}
.tag-blue{background:var(--blue-l);color:var(--blue-d);}
.tag-teal{background:var(--teal-l);color:var(--teal-d);}
.tag-amber{background:var(--amber-l);color:var(--amber);}
.tag-sand{background:var(--sand2);color:var(--muted);}
.tag-free{background:var(--teal);color:var(--white);}
.tag-paid{background:var(--amber);color:var(--white);}
.tag-course{background:var(--purple);color:var(--white);}
.tags-row{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.85rem;}
/* DIVIDERS */
.divider{height:1px;background:var(--border);margin:1.5rem 0;}
.accent-line{height:1px;background:linear-gradient(to right,transparent,var(--blue-m),var(--teal-m),transparent);}
/* QUOTE LINE */
.quote-line{position:relative;padding-left:1.5rem;}
.quote-line::before{content:'';position:absolute;left:0;top:.15em;bottom:.15em;width:3px;border-radius:2px;background:linear-gradient(to bottom,var(--blue),var(--teal));}
/* CARDS */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s;}
.card:hover{border-color:var(--blue-m);transform:translateY(-3px);box-shadow:var(--sh-lg);}
/* REVEAL */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease;}
.reveal.visible{opacity:1;transform:none;}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}
.d4{transition-delay:.32s}.d5{transition-delay:.40s}
/* FOOTER */
.footer{background:var(--navy);padding:3.5rem 5vw 2rem;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem;}
.footer-logo{font-family:var(--ff-display);font-size:1.25rem;color:var(--white);text-decoration:none;display:block;margin-bottom:.7rem;}
.footer-logo span{color:#6AB4F5;}
.footer-tagline{font-size:.92rem;font-weight:300;color:rgba(255,255,255,.4);line-height:1.75;max-width:230px;}
.footer-col-title{font-size:.74rem;font-weight:500;text-transform:uppercase;letter-spacing:.09em;color:rgba(255,255,255,.28);margin-bottom:.85rem;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:.45rem;}
.footer-links a{font-size:.92rem;color:rgba(255,255,255,.45);text-decoration:none;transition:color .2s;}
.footer-links a:hover{color:var(--white);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:rgba(255,255,255,.25);flex-wrap:wrap;gap:.5rem;}
.footer-bottom a{color:rgba(255,255,255,.25);text-decoration:none;}
.footer-bottom a:hover{color:rgba(255,255,255,.7);}

.nav-logo-img {
  height: 48px;       /* ajusta según tu header */
  width: auto;
  display: block;
}

/* RESPONSIVE */
@media(max-width:960px){.nav-menu,.nav-cta{display:none;}.nav-ham{display:flex;}.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){html{font-size:16px;}.section{padding:4rem 5vw;}.footer-grid{grid-template-columns:1fr;}.footer-bottom{flex-direction:column;text-align:center;}.btn-row{flex-direction:column;align-items:flex-start;}}