/* AptisBot landing — estilos comunes a todas las páginas */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:#1a1a1a;background:#fafafa}
.container{max-width:920px;margin:0 auto;padding:0 24px}

/* Top nav */
.topnav{background:#1a1a1a;color:#fff;padding:12px 0;font-size:14px}
.topnav .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topnav a{color:#7daed3;text-decoration:none;margin-right:18px}
.topnav a:hover{color:#fff}
.topnav .brand{color:#fff;font-weight:700;letter-spacing:.3px}

/* Header */
header.hero{background:linear-gradient(135deg,#5288c1 0%,#386da7 100%);color:#fff;padding:80px 0 60px}
header.hero h1{font-size:48px;font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:18px}
header.hero h1 .highlight{background:rgba(255,255,255,0.2);padding:2px 12px;border-radius:8px}
header.hero .lead{font-size:22px;opacity:0.95;margin-bottom:30px;max-width:720px}
header.hero .cta-row{display:flex;gap:16px;flex-wrap:wrap}
header.hero.compact{padding:50px 0 40px}
header.hero.compact h1{font-size:36px}
header.hero.compact .lead{font-size:18px;margin-bottom:20px}

/* Buttons */
.btn{display:inline-block;padding:18px 32px;border-radius:50px;font-weight:700;text-decoration:none;transition:transform 0.2s, box-shadow 0.2s;font-size:18px}
.btn-primary{background:#fff;color:#386da7;box-shadow:0 4px 12px rgba(0,0,0,0.15)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.2)}
.btn-ghost{background:rgba(255,255,255,0.15);color:#fff;border:2px solid rgba(255,255,255,0.4)}
.btn-ghost:hover{background:rgba(255,255,255,0.25)}
.btn-inline{background:#386da7;color:#fff;padding:14px 26px;font-size:17px}
.btn-inline:hover{background:#2c5a8c}

/* Pills */
.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.pill{background:rgba(255,255,255,0.18);color:#fff;padding:8px 16px;border-radius:50px;font-size:14px;font-weight:600}

/* Sections */
section{padding:64px 0}
section h2{font-size:32px;font-weight:800;margin-bottom:18px;color:#1a1a1a}
section h2 .highlight{color:#386da7}
section p{margin-bottom:18px;font-size:18px;color:#333}
section h3{font-size:22px;font-weight:700;margin:30px 0 12px;color:#1a1a1a}
section ul,section ol{margin:18px 0 18px 28px}
section li{margin-bottom:10px;font-size:17px}
section .alt{background:#fff;border-radius:16px;padding:36px;box-shadow:0 4px 16px rgba(0,0,0,0.06);margin-bottom:24px}
.bg-white{background:#fff}

/* Pain block — citas literales */
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:28px 0 8px}
.pain{background:#fff7f0;border-left:4px solid #e07b5b;border-radius:10px;padding:20px 22px}
.pain blockquote{font-style:italic;color:#553a2e;font-size:15px;line-height:1.55;margin-bottom:10px;quotes:'"' '"'}
.pain blockquote::before{content:open-quote;color:#e07b5b;font-size:22px;margin-right:2px}
.pain blockquote::after{content:close-quote;color:#e07b5b;font-size:22px;margin-left:2px}
.pain .src{font-size:12px;color:#888;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.pain-after{margin-top:18px;padding:18px 22px;background:#eef6ff;border-left:4px solid #386da7;border-radius:10px}
.pain-after strong{color:#386da7}

/* Components grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:32px}
.card{background:#fff;border-radius:14px;padding:28px;box-shadow:0 2px 8px rgba(0,0,0,0.06);border-left:4px solid #5288c1}
.card h3{margin-top:0;font-size:20px;color:#386da7}
.card .num{font-size:14px;color:#888;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px}
.card p{font-size:15px;color:#444;margin-bottom:0}

/* Tables */
table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.06)}
th,td{padding:14px 16px;text-align:left;font-size:15px;vertical-align:top}
th{background:#386da7;color:#fff;font-weight:700;font-size:13px;letter-spacing:0.5px;text-transform:uppercase}
tr:nth-child(even) td{background:#f7f9fc}
td:first-child{font-weight:600}
table.compact th,table.compact td{padding:10px 12px;font-size:14px}

/* FAQ */
.faq{background:#fff;border-radius:12px;padding:24px;margin-bottom:14px;box-shadow:0 2px 6px rgba(0,0,0,0.05)}
.faq summary{font-size:18px;font-weight:700;cursor:pointer;color:#386da7;padding:8px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:24px;color:#5288c1;font-weight:800}
.faq[open] summary::before{content:"−"}
.faq p{margin-top:12px;font-size:16px;color:#444}
.faq ul{margin:10px 0 4px 24px}
.faq li{font-size:15px}

/* Source citation */
.cite{font-size:13px;color:#666;margin-top:6px;display:block}
.cite a{color:#386da7}

/* Internal nav (related pages) */
.related{background:#f0f4fa;padding:36px 0}
.related h2{font-size:24px;margin-bottom:16px}
.related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.related li{margin:0}
.related a{display:block;background:#fff;padding:18px 20px;border-radius:10px;text-decoration:none;color:#386da7;font-weight:600;border-left:3px solid #5288c1;transition:transform .15s, box-shadow .15s;font-size:15px}
.related a:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.08)}
.related a small{display:block;color:#888;font-weight:400;margin-top:4px;font-size:13px}

/* Final CTA */
.final-cta{background:linear-gradient(135deg,#5288c1 0%,#386da7 100%);color:#fff;text-align:center;padding:80px 24px}
.final-cta h2{color:#fff;font-size:36px;margin-bottom:12px}
.final-cta p{color:rgba(255,255,255,0.92);font-size:20px;margin-bottom:30px}

/* Footer */
footer{background:#1a1a1a;color:#aaa;padding:32px 0;font-size:14px;text-align:center}
footer a{color:#7daed3;text-decoration:none}
footer .links{margin-bottom:10px}
footer .links a{margin:0 10px}

/* Mobile */
@media (max-width:640px){
  header.hero{padding:50px 0 40px}
  header.hero h1{font-size:32px}
  header.hero.compact h1{font-size:26px}
  header.hero .lead{font-size:18px}
  section{padding:44px 0}
  section h2{font-size:24px}
  .btn{padding:14px 22px;font-size:16px}
  th,td{padding:10px 8px;font-size:13px}
}