:root{
  --fondo:#0b0f14; --panel:#121820; --panel2:#18202a; --linea:#232d39;
  --texto:#e8eef5; --tenue:#93a1b2; --acento:#2ee6c5; --acento2:#1fb5e9; --aviso:#ffcc4d;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--fondo);color:var(--texto);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
.contenedor{max-width:1080px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:10;background:rgba(11,15,20,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
header .contenedor{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;font-size:22px;letter-spacing:-.5px;text-decoration:none}
.logo b{color:var(--acento)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:14px 22px;font:600 16px Inter,sans-serif;text-decoration:none;cursor:pointer;transition:transform .15s,filter .15s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn-pri{background:linear-gradient(135deg,var(--acento),var(--acento2));color:#04201b}
.btn-sec{background:var(--panel2);color:var(--texto);border:1px solid var(--linea)}
.btn-chico{padding:9px 16px;font-size:14px;border-radius:10px}

/* Portada */
.portada{padding:64px 0 40px;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.etiqueta{display:inline-block;font-size:13px;font-weight:600;color:var(--acento);background:rgba(46,230,197,.1);border:1px solid rgba(46,230,197,.25);padding:5px 12px;border-radius:99px;margin-bottom:18px}
h1{font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-1.5px;font-weight:800}
h1 span{background:linear-gradient(135deg,var(--acento),var(--acento2));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{font-size:18px;color:var(--tenue);margin:18px 0 28px;max-width:520px}
.acciones{display:flex;gap:12px;flex-wrap:wrap}
.nota-precio{margin-top:14px;font-size:14px;color:var(--tenue)}

/* Pantalla de muestra */
.tablero{background:#05070a;border-radius:22px;padding:14px;border:1px solid var(--linea);box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 6px #10151c}
.pantalla{aspect-ratio:1024/600;border-radius:12px;background:linear-gradient(160deg,#0f1822,#0a1016);overflow:hidden;display:grid;grid-template-rows:auto 1fr;font-size:clamp(9px,1.3vw,13px)}
.barra{display:flex;justify-content:space-between;align-items:center;padding:.8em 1.2em;color:var(--tenue)}
.barra .con{color:var(--acento);font-weight:600}
.mosaicos{display:grid;grid-template-columns:repeat(4,1fr);gap:.8em;padding:.4em 1.2em 1.2em}
.mos{border-radius:.9em;background:var(--panel2);border:1px solid var(--linea);display:flex;flex-direction:column;justify-content:space-between;padding:.9em;min-height:5.5em}
.mos i{font-style:normal;font-size:1.9em;line-height:1}
.mos b{font-weight:600;font-size:1em}
.mos.grande{grid-column:span 2;background:linear-gradient(135deg,rgba(46,230,197,.18),rgba(31,181,233,.12))}
.mos small{color:var(--tenue);font-size:.85em}

section{padding:64px 0}
h2{font-size:clamp(26px,3.6vw,38px);letter-spacing:-1px;line-height:1.15;font-weight:800;margin-bottom:12px}
.intro{color:var(--tenue);font-size:17px;max-width:640px;margin-bottom:36px}
.rejilla{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tarjeta{background:var(--panel);border:1px solid var(--linea);border-radius:18px;padding:24px}
.tarjeta .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:24px;background:rgba(46,230,197,.1);margin-bottom:14px}
.tarjeta h3{font-size:18px;margin-bottom:6px}
.tarjeta p{color:var(--tenue);font-size:15px}
.nuevo{font-size:11px;font-weight:700;color:#04201b;background:var(--aviso);padding:2px 7px;border-radius:6px;vertical-align:middle;margin-left:6px}

.franja{background:linear-gradient(180deg,var(--panel),var(--fondo));border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.pasos{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:paso}
.paso{position:relative;padding:22px;border-radius:16px;background:var(--panel2);border:1px solid var(--linea)}
.paso::before{counter-increment:paso;content:counter(paso);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--acento);color:#04201b;font-weight:800;margin-bottom:12px}
.paso h3{font-size:17px;margin-bottom:4px}
.paso p{color:var(--tenue);font-size:14.5px}

.compat{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lista{list-style:none}
.lista li{padding:10px 0 10px 30px;position:relative;border-bottom:1px solid var(--linea);color:var(--texto)}
.lista li::before{content:"✓";position:absolute;left:0;color:var(--acento);font-weight:800}
.lista.no li::before{content:"–";color:var(--tenue)}
.lista.no li{color:var(--tenue)}

/* Precio */
.precio{max-width:560px;margin:0 auto;text-align:center;background:var(--panel);border:1px solid rgba(46,230,197,.35);border-radius:24px;padding:36px 28px;box-shadow:0 0 60px rgba(46,230,197,.08)}
.cifra{font-size:52px;font-weight:800;letter-spacing:-2px;margin:8px 0 2px}
.cifra small{font-size:18px;color:var(--tenue);font-weight:500;letter-spacing:0}
.precio .lista{text-align:left;margin:22px 0 26px}
.seguro{font-size:13.5px;color:var(--tenue);margin-top:14px}

/* Preguntas */
details{background:var(--panel);border:1px solid var(--linea);border-radius:14px;padding:18px 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--acento);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--tenue);margin-top:10px;font-size:15.5px}

footer{padding:36px 0 110px;color:var(--tenue);font-size:13.5px;border-top:1px solid var(--linea)}
footer p{margin-bottom:8px}

/* Botón fijo en celular */
.fijo{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:20}
.fijo .btn{width:100%;box-shadow:0 10px 30px rgba(0,0,0,.5)}

@media (max-width:860px){
  .portada{grid-template-columns:1fr;padding-top:36px;gap:32px}
  .rejilla{grid-template-columns:1fr 1fr}
  .pasos{grid-template-columns:1fr 1fr}
  .compat{grid-template-columns:1fr}
  .fijo{display:block}
  header .btn{display:none}
}
@media (max-width:560px){
  .contenedor{padding:0 16px}
  .rejilla,.pasos{grid-template-columns:1fr}
  section{padding:48px 0}
  .cifra{font-size:44px}
}

.form{max-width:520px;margin:40px auto;background:var(--panel);border:1px solid var(--linea);border-radius:22px;padding:30px 24px}
.form h1{font-size:30px;letter-spacing:-.5px;margin-bottom:8px}
label{display:block;font-weight:600;margin:16px 0 6px}
input[type=text],input[type=tel],input[type=password],input[type=number],input[type=date],input[type=url],textarea,select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--linea);background:#0b0f14;color:var(--texto);font:16px Inter,sans-serif}
textarea{min-height:80px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--tenue);font-size:14.5px}
.check input{margin-top:4px;width:18px;height:18px}
.error{background:rgba(255,90,90,.12);border:1px solid rgba(255,90,90,.4);color:#ffb3b3;padding:12px 14px;border-radius:12px;margin:12px 0}
.ok{background:rgba(46,230,197,.1);border:1px solid rgba(46,230,197,.35);color:var(--acento);padding:12px 14px;border-radius:12px;margin:12px 0}
.dato{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid var(--linea)}
.dato span{color:var(--tenue);font-size:14px}
.dato b{font-size:17px;word-break:break-all;text-align:right}
.copiar{background:var(--panel2);border:1px solid var(--linea);color:var(--texto);border-radius:9px;padding:6px 10px;font:600 13px Inter,sans-serif;cursor:pointer;white-space:nowrap}
.codigo{font:800 30px ui-monospace,monospace;letter-spacing:2px;color:var(--acento);text-align:center;background:#0b0f14;border:1px dashed rgba(46,230,197,.5);border-radius:14px;padding:14px;margin:8px 0}
.estado{display:inline-block;font-size:13px;font-weight:700;padding:4px 10px;border-radius:99px;background:var(--panel2);border:1px solid var(--linea)}
.dias{display:grid;gap:14px;margin-top:10px}
.dia h3{font-size:15px;color:var(--tenue);margin-bottom:8px;text-transform:capitalize}
.horas{display:flex;flex-wrap:wrap;gap:8px}
.horas button{background:var(--panel2);border:1px solid var(--linea);color:var(--texto);border-radius:10px;padding:10px 14px;font:600 15px Inter,sans-serif;cursor:pointer}
.horas button:hover{border-color:var(--acento)}
.pequeno{font-size:13.5px;color:var(--tenue)}
.btn-wa{background:#25d366;color:#062b14}

/* Estéreo dibujado: solo el marco, sin foto */
.estereo-caja{position:relative}
.estereo-caja::before{content:"";position:absolute;inset:-12% -8%;background:radial-gradient(closest-side,rgba(46,230,197,.18),rgba(31,181,233,.06) 55%,transparent 75%);filter:blur(10px);z-index:0}
.estereo{position:relative;z-index:1;background:linear-gradient(180deg,#14181d,#07090b 60%,#0b0d10);border-radius:7% / 16%;padding:3.2% 3.6% 0;box-shadow:0 30px 70px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.08),inset 0 0 0 1px rgba(255,255,255,.04)}
.estereo-pantalla{aspect-ratio:1920/720;border-radius:6px;overflow:hidden;background:#000;box-shadow:0 0 0 2px #020203,inset 0 0 20px rgba(0,0,0,.6)}
.estereo-pantalla video{width:100%;height:100%;object-fit:cover;display:block}
.estereo-botones{display:flex;align-items:center;gap:3.5%;padding:4.5% 4% 4.2% 8%;position:relative}
.estereo-botones span{display:grid;place-items:center;width:7.5%;aspect-ratio:1;flex:none}
.estereo-botones svg{width:70%;height:70%}
.estereo-botones .b-texto{width:auto;aspect-ratio:auto;font:800 clamp(7px,1.05vw,12px)/1.05 Inter,sans-serif;color:#e8eef5;text-align:center;letter-spacing:.3px}
.estereo-botones .b-curva{position:absolute;right:4%;bottom:28%;width:42%;height:38%;border-bottom:2px solid rgba(255,255,255,.12);border-radius:0 0 60% 0;transform:skewX(-20deg)}

.compara{width:100%;border-collapse:collapse;font-size:15px;table-layout:fixed}
.compara th:first-child{width:42%}
@media (max-width:560px){.compara{font-size:13px}.compara th,.compara td{padding:10px 5px}}
.compara th,.compara td{padding:12px 10px;border-bottom:1px solid var(--linea);text-align:left}
.compara th{color:var(--tenue);font-weight:600;font-size:13.5px}
.compara th:last-child{color:var(--acento)}
.compara td.no{color:var(--tenue)}
.compara td.si{color:var(--texto);font-weight:600}
.compara td.si::before{content:"✓ ";color:var(--acento)}
.compara tr:last-child td{border-bottom:0}