/* Curso Agente Inmobiliario — hoja de estilos principal */
:root{
  --navy-900:#00171F;
  --navy-700:#003459;
  --blue-500:#007EA7;
  --cyan-400:#00A8E8;
  --cyan-050:#E6F6FD;
  --ink:#141b21;
  --muted:#5a6570;
  --bg:#ffffff;
  --bg-soft:#F4F9FC;
  --border:#E1EAF1;
  --radius:14px;
  --shadow:0 2px 10px rgba(0,23,31,.06);
  --shadow-lg:0 14px 40px rgba(0,23,31,.10);
  --maxw:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-500);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--navy-900);margin:0 0 .6em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem);letter-spacing:-.02em}
h2{font-size:clamp(1.4rem,2.8vw,2rem);letter-spacing:-.01em;margin-top:2.2em}
h3{font-size:clamp(1.1rem,2vw,1.3rem);margin-top:1.8em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin-bottom:.5em}
strong{font-weight:600;color:var(--navy-900)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:800px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:10px 16px;z-index:999;border-radius:8px}

/* ---------- Header ---------- */
.topbar{background:var(--cyan-400);color:#fff;text-align:center;font-size:.82rem;font-weight:600;letter-spacing:.04em;padding:7px 16px;text-transform:uppercase}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{flex:0 0 auto}
.brand img{width:218px;height:46px}
.nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.nav a{color:var(--navy-900);font-weight:600;font-size:.92rem}
.nav a:hover{color:var(--cyan-400);text-decoration:none}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--border);border-radius:9px;padding:9px 11px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy-700);margin:4px 0;border-radius:2px}

/* ---------- Botones ---------- */
.btn{display:inline-block;font-weight:600;font-size:.95rem;padding:13px 26px;border-radius:999px;border:2px solid transparent;transition:.18s ease;text-align:center;cursor:pointer}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--cyan-400);color:#fff}
.btn-primary:hover{background:#0094cf;color:#fff}
.btn-outline{border-color:var(--navy-700);color:var(--navy-700);background:transparent}
.btn-outline:hover{background:var(--navy-700);color:#fff}
.btn-light{background:#fff;color:var(--navy-700)}
.btn-lg{font-size:1.02rem;padding:16px 34px}
.btn[aria-disabled="true"]{background:var(--bg-soft);color:var(--muted);border-color:var(--border);cursor:default}
.btn[aria-disabled="true"]:hover{transform:none;background:var(--bg-soft)}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--cyan-050);color:var(--blue-500);font-size:.8rem;font-weight:600;padding:6px 14px;border-radius:999px;letter-spacing:.02em;margin-bottom:18px}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan-400)}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(170deg,var(--bg-soft) 0%,#fff 72%);padding:60px 0 50px;border-bottom:1px solid var(--border)}
.hero h1{margin-bottom:.45em}
.hero .lead{font-size:1.14rem;color:var(--muted);max-width:720px;margin-bottom:1.6em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:28px;font-size:.9rem;color:var(--muted)}
.hero-meta span{display:flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--cyan-050);border:2px solid var(--cyan-400);flex:0 0 auto}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:center}
.ficha{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:30px}
.ficha h2{margin:0 0 18px;font-size:1.06rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.ficha dl{margin:0 0 22px;display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:.93rem}
.ficha dt{color:var(--muted)}
.ficha dd{margin:0;font-weight:600;color:var(--navy-900);text-align:right}
.ficha .price{font-size:2.1rem}
.ficha .ficha-price{border-top:1px solid var(--border);padding-top:20px;text-align:center}
.ficha .btn{width:100%;margin-top:16px}
.ficha .nota{font-size:.8rem;color:var(--muted);margin:14px 0 0;text-align:center}

/* ---------- Secciones ---------- */
section{padding:0}
.block{padding:56px 0}
.block-soft{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{margin-top:0}
.section-head p{color:var(--muted);margin-bottom:0}

/* ---------- Grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin:0 0 .5em;font-size:1.06rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card-link{display:block;transition:.18s ease}
.card-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);text-decoration:none}
.card-link h3{color:var(--navy-700)}
.card-eyebrow{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:var(--cyan-400);font-weight:700;margin-bottom:8px}

/* lista con check */
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding-left:32px;margin-bottom:.85em}
.checklist li::before{content:"";position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;background:var(--cyan-050);border:2px solid var(--cyan-400)}
.checklist li::after{content:"";position:absolute;left:6px;top:.72em;width:5px;height:9px;border:solid var(--blue-500);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ---------- Tablas ---------- */
.table-wrap{overflow-x:auto;margin:0 0 1.6em}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:520px}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:top}
th{background:var(--navy-700);color:#fff;font-weight:600;font-size:.88rem}
tbody tr:nth-child(even){background:var(--bg-soft)}

/* ---------- Precio ---------- */
.price-box{background:var(--navy-900);color:#fff;border-radius:18px;padding:34px;text-align:center}
.price-box h3{color:#fff;margin-top:0}
.price{font-size:2.6rem;font-weight:700;color:var(--cyan-400);line-height:1.1}
.price small{display:block;font-size:.9rem;font-weight:400;color:#a9bcc7;margin-top:6px}
.price-old{text-decoration:line-through;color:#7b8f9b;font-size:1.05rem;margin-left:10px}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--border);border-radius:12px;padding:0;margin-bottom:12px;background:#fff}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:600;color:var(--navy-900);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:24px;top:24px;width:9px;height:9px;border:solid var(--cyan-400);border-width:0 2px 2px 0;transform:rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:28px}
.faq .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.96rem}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- Banda CTA ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy-700),var(--navy-900));color:#fff;border-radius:20px;padding:46px 40px;text-align:center}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:#c3d3dd;max-width:600px;margin:0 auto 26px}

/* ---------- Breadcrumbs ---------- */
.crumbs{font-size:.84rem;color:var(--muted);padding:18px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.crumbs li::after{content:"›";margin-left:8px;color:#aab6c0}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--muted)}

/* ---------- Artículo ---------- */
.article{padding:10px 0 60px}
.article .lead{font-size:1.12rem;color:var(--muted);margin-bottom:1.8em}
.article h2:first-of-type{margin-top:1.4em}
.toc{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;margin:0 0 2.4em}
.toc p{font-weight:600;color:var(--navy-900);margin:0 0 .6em;font-size:.95rem}
.toc ol{margin:0;padding-left:1.2em;font-size:.95rem}
.toc li{margin-bottom:.35em}
.callout{background:var(--cyan-050);border-left:4px solid var(--cyan-400);border-radius:0 12px 12px 0;padding:20px 24px;margin:0 0 1.8em}
.callout p:last-child{margin-bottom:0}
.inline-cta{border:1px solid var(--border);border-radius:var(--radius);padding:26px;background:#fff;box-shadow:var(--shadow);margin:2.2em 0;text-align:center}
.inline-cta h3{margin-top:0}
.inline-cta p{color:var(--muted)}

/* ---------- Relacionados ---------- */
.related{border-top:1px solid var(--border);padding-top:34px;margin-top:46px}
.related h2{margin-top:0;font-size:1.3rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#9fb3bf;padding:52px 0 26px;font-size:.92rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.site-footer h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 14px}
.site-footer a{color:#9fb3bf}
.site-footer a:hover{color:var(--cyan-400)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px}
.footer-brand strong{display:block;color:#fff;font-size:1.12rem;margin-bottom:10px;font-weight:700}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.84rem;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:760px){
  body{font-size:16px}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--border)}
  .nav .btn{margin-top:12px;border-bottom:none}
  .nav-toggle{display:block}
  .site-header{position:relative}
  .brand img{width:184px;height:39px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:40px 0 36px}
  .block{padding:42px 0}
  .cta-band{padding:34px 24px}
}