/* ComparaYa — estilos v1. Vanilla CSS, sin frameworks. */
:root{
  --navy:#0b2545;
  --navy-2:#13315c;
  --teal:#0e9594;
  --teal-dark:#0b7a79;
  --amber:#f59e0b;
  --amber-dark:#d97706;
  --bg:#f7fafc;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --radius:12px;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 1.25rem}

/* Header */
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1.25rem;max-width:var(--max);margin:0 auto}
.logo{font-weight:800;font-size:1.4rem;color:#fff;letter-spacing:-.5px}
.logo span{color:var(--amber)}
.logo:hover{text-decoration:none}
.main-nav{display:flex;gap:1.25rem;flex-wrap:wrap}
.main-nav a{color:#dbe7f5;font-weight:600;font-size:.95rem}
.main-nav a:hover,.main-nav a.active{color:#fff;text-decoration:underline;text-underline-offset:4px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,var(--teal-dark) 100%);color:#fff;padding:3.5rem 0 3rem}
.hero h1{font-size:2.1rem;line-height:1.2;margin:0 0 .75rem;letter-spacing:-.5px}
.hero p.lead{font-size:1.1rem;color:#dbe7f5;max-width:640px;margin:0 0 1.5rem}
.hero .meta{font-size:.85rem;color:#aebfd6}

/* Secciones */
.section{padding:2.5rem 0}
.section h2{font-size:1.6rem;margin:0 0 .4rem;letter-spacing:-.3px}
.section .sub{color:var(--muted);margin:0 0 1.5rem}

/* Tarjetas */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;display:flex;flex-direction:column;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card .tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--teal-dark);background:#e0f2f1;border-radius:999px;padding:.2rem .7rem;margin-bottom:.7rem;width:fit-content}
.card h3{margin:0 0 .5rem;font-size:1.15rem}
.card h3 a{color:var(--navy)}
.card p{color:var(--muted);font-size:.95rem;margin:0 0 1rem;flex:1}
.card .card-foot{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.card .date{font-size:.8rem;color:var(--muted)}

/* Botones */
.btn{display:inline-block;background:var(--teal);color:#fff;font-weight:700;padding:.7rem 1.4rem;border-radius:8px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--teal-dark);text-decoration:none;color:#fff}
.btn-aff{display:inline-block;background:var(--amber);color:#3b2f04;font-weight:800;padding:.65rem 1.25rem;border-radius:8px;font-size:.95rem;text-align:center}
.btn-aff:hover{background:var(--amber-dark);color:#fff;text-decoration:none}
.btn-ghost{display:inline-block;border:2px solid var(--teal);color:var(--teal-dark);font-weight:700;padding:.6rem 1.2rem;border-radius:8px}
.btn-ghost:hover{background:var(--teal);color:#fff;text-decoration:none}

/* Artículo */
.article{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:2.25rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.article h1{font-size:1.9rem;line-height:1.25;margin:0 0 .5rem;letter-spacing:-.4px}
.article .updated{font-size:.85rem;color:var(--muted);margin-bottom:1.25rem}
.article h2{font-size:1.35rem;margin:2rem 0 .75rem;color:var(--navy)}
.article h3{font-size:1.1rem;margin:1.5rem 0 .5rem;color:var(--navy-2)}
.article ul,.article ol{padding-left:1.4rem}
.article li{margin-bottom:.35rem}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.breadcrumb a{color:var(--muted)}
.disclaimer{background:#fffbeb;border:1px solid #fde68a;border-left:4px solid var(--amber);border-radius:8px;padding:.9rem 1.1rem;font-size:.9rem;margin:1.5rem 0}
.affiliate-note{background:#ecfdf5;border:1px solid #a7f3d0;border-left:4px solid var(--teal);border-radius:8px;padding:.9rem 1.1rem;font-size:.9rem;margin:1.5rem 0}
.amazon-disclosure{background:#eff6ff;border:1px solid #bfdbfe;border-left:4px solid var(--blue,#2563eb);border-radius:8px;padding:.9rem 1.1rem;font-size:.95rem;margin:1.5rem 0}

/* Tablas comparativas */
.table-wrap{overflow-x:auto;margin:1.5rem -0.5rem;padding:0 .5rem}
table.compare{width:100%;border-collapse:collapse;min-width:640px;font-size:.93rem;background:#fff}
table.compare th,table.compare td{border:1px solid var(--line);padding:.7rem .8rem;text-align:left;vertical-align:top}
table.compare thead th{background:var(--navy);color:#fff;font-size:.9rem}
table.compare tbody th{background:#f1f5f9;color:var(--navy);white-space:nowrap}
table.compare td.price{font-weight:800;color:var(--teal-dark);white-space:nowrap}
table.compare tr:nth-child(even) td{background:#fafbfc}

/* Opciones */
.option{border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;margin:1.25rem 0;background:#fff}
.option h3{margin-top:0;display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.badge{display:inline-block;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.4px;background:var(--navy);color:#fff;border-radius:6px;padding:.25rem .6rem}
.badge.winner{background:var(--amber);color:#3b2f04}
.option .cta-row{margin-top:1rem;display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}

/* Veredicto */
.verdict{background:linear-gradient(135deg,#ecfdf5,#f0fdfa);border:1px solid #a7f3d0;border-radius:var(--radius);padding:1.5rem;margin:2rem 0}
.verdict h2{margin-top:0}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:8px;margin-bottom:.6rem;background:#fff}
.faq summary{cursor:pointer;font-weight:700;padding:.9rem 1.1rem;color:var(--navy)}
.faq summary:hover{background:#f8fafc}
.faq .answer{padding:0 1.1rem 1rem;color:var(--text)}

/* Ad slots (placeholders) */
.ad-slot{border:2px dashed #cbd5e1;border-radius:8px;background:#f1f5f9;color:#94a3b8;text-align:center;padding:1.6rem 1rem;margin:2rem auto;font-size:.85rem;max-width:728px}
.ad-slot span{display:block;font-weight:600}

/* Metodología pasos */
.steps{counter-reset:step;display:grid;gap:1rem;margin:1.5rem 0}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.2rem 1.2rem 3.8rem;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:1.1rem;top:1.1rem;width:2rem;height:2rem;border-radius:50%;background:var(--teal);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}

/* Footer */
.site-footer{background:var(--navy);color:#cbd5e1;margin-top:3rem;padding:2.5rem 0 1.5rem;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;max-width:var(--max);margin:0 auto 1.5rem;padding:0 1.25rem}
.site-footer h4{color:#fff;margin:0 0 .7rem;font-size:1rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.4rem}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:1.2rem;text-align:center;font-size:.82rem;color:#94a3b8;max-width:var(--max);margin:0 auto;padding-left:1.25rem;padding-right:1.25rem}

/* Contacto */
.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;margin:1.25rem 0}

/* Responsive */
@media (max-width:700px){
  .hero{padding:2.5rem 0 2rem}
  .hero h1{font-size:1.6rem}
  .article{padding:1.4rem}
  .article h1{font-size:1.5rem}
  .header-inner{flex-direction:column;align-items:flex-start}
  .main-nav{gap:.9rem}
}