:root{
  --navy:#071b49;--blue:#124db8;--blue2:#2874e6;--green:#13a35d;--gold:#f2c42f;
  --ink:#12213f;--muted:#5c6880;--line:#dce4f1;--soft:#f5f8fd;--white:#fff;
  --shadow:0 18px 48px rgba(9,35,88,.12)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.62}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.wrap{width:min(1120px,calc(100% - 38px));margin:auto}
.topbar{background:var(--navy);color:#dce7ff;padding:8px 16px;text-align:center;font-size:.84rem}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;color:var(--navy);font-weight:900}
.brand img{width:68px;height:56px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.03}
.brand-text strong{font-size:1.08rem;letter-spacing:.03em}
.brand-text small{font-size:.64rem;letter-spacing:.14em;color:#53627c;margin-top:5px}
.navlinks{display:flex;align-items:center;gap:20px;font-size:.9rem;font-weight:750;color:#35425d}
.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:47px;padding:0 21px;border-radius:12px;background:var(--blue);color:#fff;font-weight:850;border:1px solid transparent;box-shadow:0 10px 24px rgba(18,77,184,.2)}
.button:hover{background:#0c3f9c}
.button.alt{background:#fff;color:var(--blue);border-color:#b8c9e8;box-shadow:none}
.button.whatsapp{background:var(--green)}
.hero{background:linear-gradient(132deg,#f9fbff 0%,#eef4ff 58%,#fff8d6 145%);padding:76px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;font-weight:900;color:#126d4b}
.eyebrow:before{content:"";width:9px;height:9px;border-radius:50%;background:#25b77b;box-shadow:0 0 0 5px rgba(37,183,123,.12)}
h1{font-size:clamp(2.45rem,5vw,4.35rem);line-height:1.03;letter-spacing:-.052em;color:var(--navy);margin:17px 0 20px}
h1 span{color:var(--green)}
.lead{font-size:1.14rem;color:var(--muted);margin:0 0 27px;max-width:720px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}
.hero-card h2{font-size:1.35rem;color:var(--navy);margin:0 0 14px}
.hero-card ul{margin:0;padding:0;list-style:none;display:grid;gap:11px}
.hero-card li{padding-left:26px;position:relative;color:#44516a}
.hero-card li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:950}
section{padding:72px 0}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center}
.section-head h2{font-size:clamp(1.9rem,3vw,2.75rem);line-height:1.12;letter-spacing:-.035em;color:var(--navy);margin:8px 0 12px}
.section-head p{margin:0;color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;box-shadow:0 9px 24px rgba(20,48,96,.06)}
.card h3{margin:0 0 8px;color:var(--navy)}
.card p{margin:0;color:var(--muted)}
.soft{background:var(--soft)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.checks{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:11px}
.checks li{position:relative;padding-left:27px;color:#44516a}
.checks li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:950}
.process{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.process .card{position:relative;padding-top:66px}
.process .card:before{counter-increment:step;content:counter(step);position:absolute;top:20px;left:22px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--gold);font-weight:950;color:#302400}
.compare{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.compare th,.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.compare th{background:#edf3ff;color:var(--navy)}
.compare tr:last-child td{border-bottom:0}
.faq{display:grid;gap:13px;max-width:880px;margin:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 19px}
.faq summary{cursor:pointer;font-weight:850;color:var(--navy)}
.faq p{color:var(--muted);margin:10px 0 0}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related a{display:block;border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff}
.related strong{display:block;color:var(--navy);margin-bottom:5px}
.related span{color:var(--muted);font-size:.9rem}
.cta{background:linear-gradient(118deg,#071b49,#124db8);color:#fff}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.cta h2{font-size:clamp(2rem,3.3vw,3rem);line-height:1.1;margin:0 0 12px}
.cta p{color:#dce8ff;margin:0}
.cta .actions{justify-content:flex-end}
.breadcrumb{padding:18px 0 0;color:#6b7890;font-size:.82rem}
.breadcrumb a{color:var(--blue)}
footer{background:#071638;color:#cbd6eb;padding:40px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:38px}
.footer-grid h3{color:#fff;margin:0 0 10px;font-size:.98rem}
.footer-grid p,.footer-grid a{font-size:.88rem;color:#b8c6df}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:12px}
.footer-brand img{width:56px;height:48px;object-fit:contain;background:#fff;border-radius:8px}
.legal{display:flex;flex-direction:column;gap:7px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:.8rem;color:#91a3c3}
@media(max-width:900px){.hero-grid,.two-col,.cta-grid{grid-template-columns:1fr}.grid-3,.process,.related{grid-template-columns:1fr 1fr}.cta .actions{justify-content:flex-start}}
@media(max-width:700px){.navlinks a:not(.button){display:none}.grid-3,.process,.related{grid-template-columns:1fr}.hero{padding:58px 0}.footer-grid{grid-template-columns:1fr}}


/* V21 · Recursos / artículos SEO */
.resource-hero{padding:68px 0 54px;background:linear-gradient(135deg,#f8fbff 0%,#eef4ff 65%,#fff9df 140%);border-bottom:1px solid var(--line)}
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.resource-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 9px 24px rgba(20,48,96,.06)}
.resource-card .tag{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:999px;background:#eaf7f0;color:#14764e;font-size:.72rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase;margin-bottom:12px}
.resource-card h2,.resource-card h3{color:var(--navy);margin:0 0 10px;line-height:1.2}
.resource-card p{color:var(--muted);margin:0 0 16px}
.resource-card a{margin-top:auto;color:var(--blue);font-weight:850}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:42px;align-items:start}
.article-body{font-size:1.03rem}
.article-body h2{color:var(--navy);font-size:1.75rem;line-height:1.2;margin:38px 0 12px}
.article-body h3{color:var(--navy);font-size:1.25rem;margin:28px 0 9px}
.article-body p{color:#43506a;margin:0 0 18px}
.article-body ul,.article-body ol{color:#43506a;padding-left:24px;margin:0 0 20px}
.article-body li{margin:7px 0}
.article-body .note{background:#f6f9fe;border:1px solid #dce6f5;border-radius:14px;padding:17px 19px;margin:24px 0;color:#42506a}
.article-body .example{background:#f7fbf8;border-left:4px solid var(--green);border-radius:0 12px 12px 0;padding:17px 19px;margin:24px 0;color:#3e4c61}
.article-sidebar{position:sticky;top:104px;display:grid;gap:16px}
.article-sidebar .card{padding:20px}
.article-sidebar .card h3{font-size:1.02rem}
.article-sidebar a{color:var(--blue);font-weight:750}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:#708099;font-size:.82rem;margin-top:16px}
.toc{list-style:none;padding:0!important;margin:10px 0 0!important}
.toc li{margin:7px 0!important}
.toc a{font-size:.88rem}
@media(max-width:900px){.resource-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}}
@media(max-width:650px){.resource-grid{grid-template-columns:1fr}}