:root{--rojo:#E8192C;--rojo-dk:#C0101F;--negro:#0C0C0C;--fondo:#F0F2F5;--gris:#6A6A6A;--linea:#E6E7E9;--rojo-bg:#FFF0F2;--rojo-ln:#F1C8CC}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fondo);color:var(--negro);font-family:'Plus Jakarta Sans',sans-serif}
.source-page{max-width:1148px;margin:0 auto;padding:34px 24px 80px}
.source-back{display:inline-flex;align-items:center;gap:8px;color:var(--gris);font-size:.82rem;font-weight:700;text-decoration:none;margin:0 0 22px}
.source-back svg{width:16px;height:16px;flex:none}
.source-back:hover{color:var(--rojo)}
.source-cover{margin:0 0 26px;background:#fff;border:1px solid var(--linea);border-radius:36px;overflow:hidden;box-shadow:0 4px 18px rgba(16,24,40,.06)}
.source-cover img{display:block;width:100%;height:320px;object-fit:cover;object-position:center}

.source-hero{background:linear-gradient(135deg,var(--rojo) 0%,var(--rojo-dk) 100%);border-radius:44px;padding:52px 56px;color:#fff;position:relative;overflow:hidden;margin-bottom:26px}
.source-hero:after{content:'';position:absolute;width:410px;height:410px;border-radius:50%;right:-140px;top:-170px;background:rgba(255,255,255,.13)}
.source-hero>*{position:relative;z-index:1}
.source-kicker{display:inline-block;background:#fff;color:var(--rojo);border-radius:999px;padding:7px 14px;font-size:.65rem;font-weight:900;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:18px}
.source-hero h1{font-size:clamp(2rem,4.8vw,3.7rem);line-height:1.05;letter-spacing:-.045em;margin:0 0 16px;max-width:860px}
.source-hero>p{max-width:800px;font-size:1.03rem;line-height:1.65;color:rgba(255,255,255,.91);margin:0 0 20px}
.source-meta{display:flex;flex-wrap:wrap;gap:10px 20px;color:rgba(255,255,255,.78);font-size:.78rem;font-weight:600}
.source-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.source-article{min-width:0}
.source-intro,.source-section,.source-faq,.source-sources{background:#fff;border:1px solid var(--linea);border-radius:28px;padding:28px 30px;box-shadow:0 3px 12px rgba(16,24,40,.04);margin-bottom:18px}
.source-intro{border-left:5px solid var(--rojo)}
.source-intro p,.source-section p,.source-faq p,.source-sources p{color:#5B5B5B;font-size:.94rem;line-height:1.8;margin:0 0 12px}
.source-intro p:last-child,.source-section p:last-child,.source-faq p:last-child,.source-sources p:last-child{margin-bottom:0}
.source-section h2,.source-faq h2,.source-sources h2{font-size:1.2rem;line-height:1.25;margin:0 0 13px;font-weight:900}
.source-section,.source-faq,.source-sources{scroll-margin-top:132px}
.source-section h2 span{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:rgba(232,25,44,.1);color:var(--rojo);font-size:.78rem;margin-right:9px;vertical-align:middle}
.source-toc{background:#fff;border:1px solid var(--linea);border-radius:28px;padding:24px 26px;margin-bottom:18px}
.source-toc strong{display:block;color:var(--gris);font-size:.68rem;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:13px}
.source-toc a{display:block;color:var(--negro);font-size:.86rem;font-weight:700;text-decoration:none;padding:7px 0}
.source-toc a:hover{color:var(--rojo)}
.source-service-offer{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;background:var(--rojo-bg);border:1px solid var(--rojo-ln);border-radius:28px;padding:25px 27px;margin:0 0 18px}
.source-offer-kicker{color:var(--rojo);font-size:.64rem;font-weight:900;letter-spacing:1.4px;text-transform:uppercase}
.source-service-offer h2{font-size:1.16rem;line-height:1.25;margin:8px 0 8px;font-weight:900}
.source-service-offer p{color:#555;font-size:.84rem;line-height:1.65;max-width:680px;margin:0}
.source-offer-points{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:13px}
.source-offer-points span{color:var(--negro);font-size:.7rem;font-weight:900}
.source-offer-points span::before{content:'';display:inline-block;vertical-align:-4px;width:18px;height:18px;margin-right:6px;border-radius:50%;background:var(--rojo) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px 10px no-repeat;box-shadow:0 2px 5px rgba(232,25,44,.18)}
.source-offer-button{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border-radius:999px;background:var(--rojo);color:#fff;padding:13px 18px;font-size:.78rem;font-weight:900;text-decoration:none;transition:transform .15s,background .15s}
.source-offer-button:hover{transform:translateY(-2px);background:var(--rojo-dk)}
.source-aside{position:sticky;top:92px}
.source-cta{background:var(--negro);border-radius:30px;padding:28px 24px;color:#fff;margin-bottom:16px}
.source-cta small{color:var(--rojo);letter-spacing:1.2px;text-transform:uppercase;font-size:.62rem;font-weight:900}
.source-cta h2{font-size:1.25rem;line-height:1.2;margin:12px 0 10px}
.source-cta p{color:rgba(255,255,255,.64);font-size:.83rem;line-height:1.6;margin:0 0 18px}
.source-cta a{display:inline-flex;align-items:center;justify-content:center;width:100%;background:#fff;color:var(--negro);border-radius:999px;padding:13px 16px;font-size:.82rem;font-weight:900;text-decoration:none}
.source-cta a:hover{background:var(--rojo);color:#fff}
.source-note{background:#fff;border:1px solid var(--linea);border-radius:24px;padding:18px 20px;color:var(--gris);font-size:.76rem;line-height:1.65}
.source-note a{color:var(--rojo);font-weight:800}
.source-faq details{border-top:1px solid var(--linea);padding:14px 0}
.source-faq details:first-of-type{border-top:0;padding-top:0}
.source-faq summary{cursor:pointer;font-weight:800;font-size:.9rem;line-height:1.4}
.source-faq p{font-size:.86rem;margin-top:9px}
.source-related{margin-top:26px}
.source-related h2{font-size:1.2rem;margin:0 0 14px}
.source-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.source-related-card{background:#fff;border:1px solid var(--linea);border-radius:22px;padding:18px;text-decoration:none;color:var(--negro);transition:transform .2s,box-shadow .2s}
.source-related-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(16,24,40,.08)}
.source-related-card small{color:var(--rojo);font-size:.62rem;letter-spacing:1.2px;text-transform:uppercase;font-weight:900}
.source-related-card strong{display:block;font-size:.86rem;line-height:1.4;margin-top:7px}
@media(max-width:820px){.source-layout{grid-template-columns:1fr}.source-aside{position:static}.source-related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.source-page{padding:24px 16px 56px}.source-hero{padding:32px 24px;border-radius:32px}.source-hero h1{font-size:2.05rem}.source-hero>p{font-size:.92rem}.source-cover{border-radius:26px;margin-bottom:20px}.source-cover img{height:210px}.source-intro,.source-section,.source-faq,.source-sources{padding:22px 19px;border-radius:22px}.source-toc{padding:20px;border-radius:22px}.source-service-offer{grid-template-columns:1fr;padding:22px 19px;border-radius:22px}.source-service-offer h2{font-size:1.08rem}.source-offer-button{width:100%}.source-related-grid{grid-template-columns:1fr}.source-section,.source-faq,.source-sources{scroll-margin-top:94px}}