/* EstaqueameLaVaca — sistema visual
   Carbón + brasa + hueso. Display: Rubik Dirt (solo marca). Títulos: Fraunces. Texto: Inter. */
:root{
  --carbon:#120F0D; --carbon-2:#1C1814; --carbon-3:#27211C;
  --hueso:#F3EADB; --hueso-2:#E6DAC6; --ceniza:#B8AC9B; --humo:#8C8173;
  --brasa:#C2410C; --brasa-hover:#A93709; --llama:#F08A3C; --oro:#E7B04A;
  --line:rgba(243,234,219,.12);
  --radius:14px; --radius-lg:22px;
  --shadow:0 18px 50px -20px rgba(0,0,0,.65);
  --maxw:1180px;
  --f-brand:"Rubik Dirt",system-ui,sans-serif;
  --f-head:"Fraunces",Georgia,serif;
  --f-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--carbon);color:var(--hueso);font:400 17px/1.65 var(--f-body);text-rendering:optimizeLegibility}
img{max-width:100%;display:block;height:auto}
a{color:var(--llama);text-underline-offset:3px}
a:hover{color:var(--oro)}
:focus-visible{outline:3px solid var(--oro);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--oro);color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--f-head);font-weight:600;line-height:1.12;letter-spacing:-.01em;margin:0 0 .5em;color:var(--hueso)}
h1{font-size:clamp(2.2rem,5.2vw,4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
.eyebrow{font:600 .8rem/1 var(--f-body);letter-spacing:.18em;text-transform:uppercase;color:var(--oro);margin:0 0 14px;display:inline-flex;gap:10px;align-items:center}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brasa)}
.lead{font-size:1.2rem;color:var(--hueso-2);max-width:62ch}
.muted{color:var(--ceniza)}
.center{text-align:center}.center .lead{margin-inline:auto}.center .eyebrow{justify-content:center}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(18,15,13,.86);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--hueso);margin-right:auto}
.brand img{width:42px;height:42px;object-fit:contain}
.brand span{font:400 1.45rem/1 var(--f-brand);letter-spacing:.01em}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center}
.menu>li{position:relative}
.menu a,.menu button{display:block;white-space:nowrap;padding:10px 11px;color:var(--hueso);text-decoration:none;font:500 .95rem/1 var(--f-body);background:none;border:0;cursor:pointer;border-radius:8px}
.menu a:hover,.menu button:hover,.menu a[aria-current=page]{color:var(--oro);background:rgba(255,255,255,.04)}
.sub{position:absolute;top:100%;left:0;min-width:250px;list-style:none;margin:0;padding:8px;background:var(--carbon-2);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.has-sub:hover .sub,.has-sub:focus-within .sub,.has-sub.open .sub{opacity:1;visibility:visible;transform:none}
.sub a{padding:10px 12px;line-height:1.3}
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:999px;font:600 1rem/1 var(--f-body);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:.18s;min-height:48px}
.btn-primary{background:var(--brasa);color:#fff}
.btn-primary:hover{background:var(--brasa-hover);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(243,234,219,.45);color:var(--hueso)}
.btn-ghost:hover{border-color:var(--oro);color:var(--oro)}
.btn-sm{padding:10px 16px;min-height:40px;font-size:.92rem}
.btn svg{width:20px;height:20px;flex:none}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--hueso);padding:9px 11px;cursor:pointer}
@media (max-width:1120px){
  .burger{display:block}
  .nav-cta{display:none}
  .menu{position:fixed;inset:70px 0 0 0;background:var(--carbon);flex-direction:column;align-items:stretch;padding:14px 20px 40px;overflow:auto;display:none;gap:0}
  .menu.open{display:flex}
  .menu a,.menu button{padding:15px 6px;font-size:1.08rem;border-bottom:1px solid var(--line);border-radius:0;width:100%;text-align:left}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:none;padding:0 0 0 14px;display:none}
  .has-sub.open .sub{display:block}
}

/* Hero */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(18,15,13,.35) 0%,rgba(18,15,13,.55) 45%,var(--carbon) 100%),radial-gradient(ellipse at 20% 80%,rgba(194,65,12,.25),transparent 60%)}
.hero .wrap{padding-top:120px;padding-bottom:72px;width:100%}
.hero .tagline{font:400 clamp(1.3rem,2.4vw,1.8rem)/1.2 var(--f-brand);color:var(--oro);margin-bottom:12px}
.hero p.lead{font-size:clamp(1.05rem,1.6vw,1.25rem)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 0;padding:0;list-style:none}
.chips li{border:1px solid var(--line);background:rgba(18,15,13,.55);padding:8px 14px;border-radius:999px;font-size:.9rem;color:var(--hueso-2)}
.page-hero{min-height:52vh}
.page-hero .wrap{padding-top:110px;padding-bottom:48px}

/* Secciones */
section{padding:88px 0}
.alt{background:var(--carbon-2)}
.paper{background:var(--hueso);color:#231c16}
.paper h2,.paper h3{color:#1a1410}.paper .lead{color:#4a3f35}.paper .muted{color:#6b5e50}
.paper .eyebrow{color:var(--brasa)}
.paper a{color:var(--brasa)}
.sec-head{max-width:760px;margin-bottom:44px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr} section{padding:64px 0}}
.card{background:var(--carbon-3);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column}
.card .media{aspect-ratio:4/3;overflow:hidden;background:#000}
.card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .media img{transform:scale(1.04)}
.card .body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .body p{color:var(--ceniza);margin:0}
.card .more{margin-top:auto;padding-top:10px;font-weight:600;text-decoration:none}
.card a.stretched::after{content:"";position:absolute;inset:0}
.card{position:relative}
.paper .card{background:#fff;border-color:#e2d6c3}.paper .card .body p{color:#5b4f43}

/* Split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
.split img{border-radius:var(--radius-lg);box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;width:100%}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}.split.rev>:first-child{order:0}}

/* Respuesta directa (AEO) */
.answer{border-left:4px solid var(--brasa);background:rgba(194,65,12,.08);padding:26px 28px;border-radius:0 var(--radius) var(--radius) 0;max-width:900px}
.answer h2{font-size:1.5rem}
.answer p:last-child{margin:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:26px;padding:0;list-style:none}
.facts li{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;background:var(--carbon-2)}
.facts b{display:block;font-family:var(--f-head);font-size:1.05rem;color:var(--oro);margin-bottom:2px}
.facts span{color:var(--ceniza);font-size:.95rem}

/* Pasos */
.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(5,1fr);list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;background:#fff;border:1px solid #e2d6c3;border-radius:var(--radius);padding:22px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--brasa);color:#fff;font:700 1.05rem var(--f-body);margin-bottom:12px}
.steps h3{font-size:1.1rem}
.steps p{font-size:.95rem;color:#5b4f43;margin:0}
@media (max-width:1000px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* Listas */
.ticks{list-style:none;padding:0;margin:0 0 1em;display:grid;gap:10px}
.ticks li{padding-left:30px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 50% 60%,var(--oro),var(--brasa) 70%)}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.tags li{background:var(--carbon-3);border:1px solid var(--line);padding:7px 13px;border-radius:999px;font-size:.92rem}
.paper .tags li{background:#fff;border-color:#e2d6c3}

/* Menú */
.menu-sec{display:grid;grid-template-columns:300px 1fr;gap:36px;padding:40px 0;border-top:1px solid var(--line)}
.menu-sec:first-of-type{border-top:0}
.menu-sec img{border-radius:var(--radius);aspect-ratio:1/1;object-fit:cover;width:100%}
.menu-sec ul{columns:2;column-gap:32px;padding-left:18px;margin:0}
.menu-sec li{break-inside:avoid;margin-bottom:6px}
.menu-sec li::marker{color:var(--brasa)}
@media (max-width:800px){.menu-sec{grid-template-columns:1fr}.menu-sec img{aspect-ratio:16/9}.menu-sec ul{columns:1}}
.toc{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.toc a{display:block;padding:9px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--hueso);font-size:.93rem}
.toc a:hover{border-color:var(--oro);color:var(--oro)}

/* FAQ */
.faq details{border-bottom:1px solid #e2d6c3;padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font:600 1.12rem/1.35 var(--f-head);position:relative;color:#1a1410}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font:400 1.8rem/1 var(--f-body);color:var(--brasa);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 20px;color:#40362c;max-width:75ch}
.faq-dark details{border-color:var(--line)}.faq-dark summary{color:var(--hueso)}.faq-dark .a{color:var(--hueso-2)}

/* Tabla comparativa */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.96rem}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--carbon-3);font-family:var(--f-head);font-weight:600}
td:first-child{font-weight:600;color:var(--oro)}

/* Galería */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:12px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.gallery .tall{grid-row:span 2}.gallery .wide{grid-column:span 2}
@media (max-width:800px){.gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}}

/* CTA banda */
.cta-band{position:relative;overflow:hidden;isolation:isolate;text-align:center}
.cta-band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(18,15,13,.78);z-index:-1}
.cta-band .cta-row{justify-content:center}

/* Formulario */
.form{display:grid;gap:16px;background:var(--carbon-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.form .row{grid-template-columns:1fr}}
label{font-weight:600;font-size:.93rem;display:block;margin-bottom:6px}
input,select,textarea{width:100%;background:var(--carbon);border:1px solid rgba(243,234,219,.22);color:var(--hueso);border-radius:10px;padding:13px 14px;font:inherit;font-size:1rem}
input:focus,select:focus,textarea:focus{border-color:var(--oro);outline:none}
fieldset{border:0;padding:0;margin:0}
legend{font-weight:600;font-size:.93rem;margin-bottom:8px}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{font-weight:500;display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);padding:9px 13px;border-radius:999px;margin:0;cursor:pointer}
.checks input{width:auto;accent-color:var(--brasa)}
.note{font-size:.88rem;color:var(--ceniza)}

/* Breadcrumb */
.crumbs{font-size:.88rem;color:var(--ceniza);margin-bottom:18px}
.crumbs a{color:var(--hueso-2);text-decoration:none}.crumbs a:hover{color:var(--oro)}
.crumbs span[aria-hidden]{margin:0 8px;opacity:.6}

/* Prosa (guías) */
.prose{max-width:760px}
.prose h2{font-size:1.9rem;margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul{padding-left:20px}.prose li{margin-bottom:6px}.prose li::marker{color:var(--brasa)}
.callout{border:1px solid var(--line);background:var(--carbon-2);border-radius:var(--radius);padding:20px 22px;margin:24px 0}

/* Footer */
.site-footer{background:#0B0908;border-top:1px solid var(--line);padding:64px 0 32px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}
.site-footer h2{font:600 .8rem/1 var(--f-body);letter-spacing:.16em;text-transform:uppercase;color:var(--oro);margin-bottom:16px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.site-footer a{color:var(--hueso-2);text-decoration:none}.site-footer a:hover{color:var(--oro)}
.foot-brand{font:400 1.6rem/1 var(--f-brand);margin-bottom:12px}
.legal{border-top:1px solid var(--line);margin-top:44px;padding-top:22px;color:var(--humo);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.86rem}

/* WhatsApp flotante */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 10px 30px -8px rgba(0,0,0,.6);transition:.2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:32px;height:32px;fill:#fff}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.reveal{opacity:1;transform:none}}
.paper .btn-primary,.paper .btn-primary:hover{color:#fff}
.paper .btn-ghost{color:#231c16;border-color:rgba(35,28,22,.35)}
.paper a:not(.btn):hover{color:var(--brasa-hover)}
input,select,textarea{color-scheme:dark}

.review blockquote{margin:0;font:500 1.08rem/1.5 var(--f-head);color:var(--hueso)}
.review .stars{color:var(--oro);letter-spacing:2px;margin:0}
.review figcaption{color:var(--ceniza);font-size:.9rem;margin-top:auto;padding-top:8px}
figure.card{margin:0}
.card .body .stars{color:var(--oro)}