:root{
  --amarillo:#F2B705;
  --ambar:#D99A00;
  --negro:#1F1F1F;
  --carbon:#343434;
  --gris:#6B6B6B;
  --linea:#D9D9D9;
  --humo:#F6F6F4;
  --blanco:#FFFFFF;
  --lado:272px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;background:var(--blanco);color:var(--gris);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;padding-left:var(--lado);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--negro);letter-spacing:-.025em;line-height:1.12;font-weight:800}
h1{font-size:clamp(2.2rem,4.6vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-bottom:.5em}
h3{font-size:1.25rem;margin-bottom:.4em;letter-spacing:-.015em}
p{margin-bottom:1em}
.wrap{max-width:980px;margin:0 auto;padding:0 44px}
.sec{padding:96px 0}
.humo{background:var(--humo)}
.estrecho{max-width:700px}
.lead{font-size:1.18rem;line-height:1.55;color:var(--carbon)}
.etq{display:block;font-size:.76rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--negro);margin-bottom:16px}
.etq::before{content:"";display:inline-block;width:30px;height:5px;background:var(--amarillo);margin-right:12px;vertical-align:middle}

/* Menú lateral */
aside.lado{position:fixed;left:0;top:0;bottom:0;width:var(--lado);background:var(--negro);color:#BDBDBD;z-index:100;display:flex;flex-direction:column;padding:30px 24px 26px;border-right:6px solid var(--amarillo)}
.lado .logo{display:flex;align-items:center;justify-content:center;background:var(--blanco);border-radius:14px;padding:14px 16px;min-height:76px;margin-bottom:38px}
.lado .logo img{max-height:52px;width:auto}
.lado .logo .wm{display:none;font-weight:900;letter-spacing:.04em;color:var(--negro);font-size:1.2rem}
.lado nav{display:flex;flex-direction:column;gap:6px}
.lado nav a{position:relative;display:block;padding:14px 18px;border-radius:10px;font-weight:700;font-size:1rem;color:#D9D9D9;transition:background .2s,color .2s,padding .2s}
.lado nav a::before{content:"";position:absolute;left:0;top:50%;height:0;width:5px;background:var(--amarillo);border-radius:0 4px 4px 0;transform:translateY(-50%);transition:height .25s}
.lado nav a:hover{background:var(--carbon);color:#fff;padding-left:24px}
.lado nav a.activo{background:var(--carbon);color:var(--amarillo)}
.lado nav a.activo::before{height:26px}
.lado .cot{margin-top:26px;display:block;text-align:center;background:var(--amarillo);color:var(--negro);font-weight:800;padding:15px;border-radius:12px;transition:background .2s,transform .2s}
.lado .cot:hover{background:var(--ambar);transform:translateY(-2px)}
.lado .pie{margin-top:auto;font-size:.88rem;line-height:1.5;padding-top:24px;border-top:1px solid var(--carbon)}
.lado .pie b{display:block;color:#fff;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}
.lado .pie a{display:block;color:#D9D9D9;word-break:break-word}
.lado .pie a:hover{color:var(--amarillo)}
.barra{display:none}

/* Botones */
.btn{display:inline-block;background:var(--amarillo);color:var(--negro);padding:16px 32px;border-radius:12px;font:inherit;font-weight:800;font-size:1rem;border:0;cursor:pointer;transition:background .2s,transform .2s,box-shadow .2s;box-shadow:0 10px 26px rgba(242,183,5,.35)}
.btn:hover{background:var(--ambar);transform:translateY(-3px)}
.btn.os{background:var(--negro);color:#fff;box-shadow:none}
.btn.os:hover{background:var(--carbon)}
.btn.ln{background:transparent;box-shadow:inset 0 0 0 2px var(--negro);color:var(--negro)}
.btn.ln:hover{background:var(--negro);color:#fff}
.botones{display:flex;gap:14px;flex-wrap:wrap}

/* Hero */
.hero{padding:96px 0 84px;background:var(--humo);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;background:var(--amarillo);border-radius:50%;opacity:.9}
.hero .wrap{position:relative;z-index:2}
.hero h1{max-width:820px;margin-bottom:.45em}
.hero h1 mark{background:linear-gradient(transparent 62%,var(--amarillo) 62%);color:inherit;padding:0 4px}
.hero p{max-width:640px}
.lema{font-size:1.3rem;font-weight:800;color:var(--negro);margin:1.4em 0 1.8em;padding-left:18px;border-left:6px solid var(--amarillo)}
.foto{position:relative;overflow:hidden;border-radius:22px;background:linear-gradient(145deg,var(--linea),var(--humo));aspect-ratio:16/9}
.foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .foto{margin-top:58px;box-shadow:0 30px 70px rgba(31,31,31,.2);aspect-ratio:16/7}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .foto{aspect-ratio:4/4.4}

/* Tarjetas */
.tarjetas{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:48px}
.tj{background:var(--blanco);border:1px solid var(--linea);border-radius:18px;padding:32px 30px;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.tj::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--amarillo);transform:scaleY(.35);transform-origin:top;transition:transform .35s}
.tj:hover{transform:translateY(-5px);box-shadow:0 20px 46px rgba(31,31,31,.12);border-color:var(--amarillo)}
.tj:hover::before{transform:scaleY(1)}
.tj p{margin:0;font-size:1rem}
.tj .n{display:block;font-size:.85rem;font-weight:800;color:var(--ambar);letter-spacing:.1em;margin-bottom:12px}
.tj.ancho{grid-column:span 2;background:var(--negro);border-color:var(--negro);color:#C9C9C9}
.tj.ancho h3{color:#fff}
.tj.ancho::before{transform:scaleY(1)}
.tres{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.cinco{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}

/* Banda oscura */
.oscuro{background:var(--negro);color:#C4C4C4}
.oscuro h2,.oscuro h3{color:#fff}
.oscuro .etq{color:#fff}
.oscuro .lead{color:#E2E2E2}
.oscuro .tj{background:var(--carbon);border-color:#4A4A4A}
.oscuro .tj:hover{border-color:var(--amarillo)}

/* Pasos */
.pasos{margin-top:48px;border-top:1px solid var(--linea)}
.paso{display:grid;grid-template-columns:78px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--linea);align-items:start;transition:padding .25s}
.paso:hover{padding-left:12px}
.paso .num{font-size:2.3rem;font-weight:900;color:var(--amarillo);letter-spacing:-.04em;line-height:1;-webkit-text-stroke:1px var(--ambar)}
.paso h3{margin-bottom:.2em}
.paso p{margin:0}

/* Lista de chips */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chips li{background:var(--blanco);border:2px solid var(--negro);color:var(--negro);font-weight:700;font-size:.95rem;padding:9px 20px;border-radius:999px;transition:background .2s}
.chips li:hover{background:var(--amarillo)}
.humo .chips li{background:var(--blanco)}

/* Tabla comparativa */
.tabla{width:100%;border-collapse:separate;border-spacing:0;margin-top:44px;border-radius:18px;overflow:hidden;border:1px solid var(--linea);font-size:1rem}
.tabla th{background:var(--negro);color:#fff;text-align:left;padding:18px 24px;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase}
.tabla th:last-child{background:var(--amarillo);color:var(--negro)}
.tabla td{padding:18px 24px;border-top:1px solid var(--linea);background:var(--blanco)}
.tabla td:last-child{background:#FFF8DC;color:var(--negro);font-weight:700}

/* FAQ */
.faq{margin-top:44px;border-top:1px solid var(--linea)}
details{border-bottom:1px solid var(--linea)}
summary{list-style:none;cursor:pointer;padding:22px 52px 22px 0;position:relative;font-weight:800;color:var(--negro);font-size:1.08rem;letter-spacing:-.01em}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;background:var(--amarillo);color:var(--negro);display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;transition:transform .25s}
details[open] summary::after{content:"\2212";transform:translateY(-50%) rotate(180deg)}
details p{padding:0 52px 24px 0;margin:0}

/* CTA */
.cta{background:var(--amarillo);color:var(--negro);padding:88px 0}
.cta h2{color:var(--negro);max-width:760px}
.cta p{color:var(--carbon);max-width:640px;font-size:1.12rem}
.cta .contacto{margin-top:30px;font-weight:800;color:var(--negro)}
.cta .contacto a{border-bottom:3px solid var(--negro)}
.cta .btn{background:var(--negro);color:#fff;box-shadow:none}
.cta .btn:hover{background:var(--carbon)}

/* Contacto */
.c-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start}
.sel{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 6px}
.chip{background:var(--blanco);border:2px solid var(--linea);color:var(--carbon);padding:10px 20px;border-radius:999px;font:inherit;font-size:.95rem;font-weight:700;cursor:pointer;transition:all .2s}
.chip:hover{border-color:var(--negro)}
.chip.on{background:var(--amarillo);border-color:var(--amarillo);color:var(--negro)}
.lista{list-style:none;margin:20px 0 1.2em}
.lista li{padding:11px 0 11px 32px;position:relative;border-bottom:1px solid var(--linea);color:var(--negro);font-weight:600;font-size:1rem}
.lista li:first-child{border-top:1px solid var(--linea)}
.lista li::before{content:"";position:absolute;left:0;top:18px;width:16px;height:6px;background:var(--amarillo)}
form{background:var(--blanco);border:1px solid var(--linea);border-top:6px solid var(--amarillo);border-radius:18px;padding:36px;margin-top:28px;box-shadow:0 18px 50px rgba(31,31,31,.08)}
label{display:block;font-size:.82rem;font-weight:800;color:var(--negro);margin:16px 0 7px}
input,textarea{width:100%;padding:13px 15px;background:var(--humo);border:2px solid transparent;border-radius:10px;font:inherit;font-size:1rem;color:var(--negro);transition:border-color .2s,background .2s}
input:focus,textarea:focus{outline:0;border-color:var(--amarillo);background:#fff}
textarea{min-height:110px;resize:vertical}
.fila{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.nota{font-size:.86rem;margin:16px 0 0}
form .botones{margin-top:20px}
.datos{position:sticky;top:30px;background:var(--negro);color:#C4C4C4;border-radius:18px;padding:38px 34px;border-top:6px solid var(--amarillo)}
.datos h3{color:#fff;font-size:1.4rem;margin-bottom:.9em}
.dato{margin-bottom:22px}
.dato small{display:block;font-size:.74rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--amarillo);margin-bottom:3px}
.dato a,.dato span{font-weight:700;color:#fff;font-size:1.05rem;word-break:break-word}
.dato a:hover{color:var(--amarillo)}

/* Footer */
footer{background:var(--negro);color:#9A9A9A;padding:46px 0 26px;font-size:.9rem}
footer h4{color:#fff;font-size:1.05rem;margin-bottom:4px}
footer p{margin:0}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid var(--carbon)}
.foot a{color:#C9C9C9}
.foot a:hover{color:var(--amarillo)}
.copy{padding-top:20px}

/* Reveal */
.rev{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rev.vis{opacity:1;transform:none}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}

@media(max-width:1080px){
  .tres,.cinco{grid-template-columns:repeat(2,1fr)}
  .split,.c-grid{grid-template-columns:1fr}
  .datos{position:static}
}
@media(max-width:900px){
  body{padding-left:0;padding-top:64px;font-size:16.5px}
  .barra{display:flex;position:fixed;top:0;left:0;right:0;height:64px;background:var(--negro);z-index:120;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:4px solid var(--amarillo)}
  .barra .m{display:flex;align-items:center;background:#fff;border-radius:8px;padding:5px 12px;height:40px}
  .barra .m img{max-height:28px;width:auto}
  .barra .m .wm{display:none;font-weight:900;color:var(--negro);letter-spacing:.04em}
  .barra button{width:42px;height:42px;background:var(--amarillo);border:0;border-radius:10px;cursor:pointer;position:relative}
  .barra button span{position:absolute;left:11px;right:11px;height:3px;background:var(--negro);border-radius:2px;transition:transform .3s,top .3s}
  .barra button span:nth-child(1){top:14px}.barra button span:nth-child(2){top:25px}
  .barra button.abierto span:nth-child(1){top:19.5px;transform:rotate(45deg)}
  .barra button.abierto span:nth-child(2){top:19.5px;transform:rotate(-45deg)}
  aside.lado{transform:translateX(-100%);transition:transform .35s cubic-bezier(.2,.8,.2,1);width:min(300px,86vw);top:64px;padding-top:24px}
  aside.lado.abierto{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.5)}
  .lado .logo{display:none}
  .wrap{padding:0 22px}
  .sec{padding:68px 0}
  .hero{padding:60px 0 56px}
  .hero::after{width:200px;height:200px;right:-70px;top:-70px}
  .hero .foto{margin-top:40px;aspect-ratio:16/10}
  .tarjetas,.tres,.cinco,.fila{grid-template-columns:1fr}
  .tj.ancho{grid-column:span 1}
  .paso{grid-template-columns:56px 1fr}
  .paso .num{font-size:1.8rem}
  .tabla th,.tabla td{padding:14px 14px;font-size:.92rem}
  form{padding:26px 20px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  .rev{opacity:1;transform:none}
}