/* Firmexo sitio de ventas. Marca: arena, tinta, cobre solo en la acción principal. */
@font-face{font-family:'Bricolage Grotesque';src:url(/fonts/BricolageGrotesque-Variable.woff2) format('woff2');font-weight:200 800;font-display:swap}
@font-face{font-family:'Instrument Sans';src:url(/fonts/InstrumentSans-Variable.woff2) format('woff2');font-weight:400 700;font-display:swap}

:root{
  --arena:#F3EEE4;--tinta:#14211D;--cobre:#D0652C;--cobre-p:#B4521F;--cobre-txt:#A04A1C;
  --pino:#23423A;--piedra:#DCD4C4;--suave:#56625C;--blanco:#fff;--arena2:#EBE5D9;
  --titulos:'Bricolage Grotesque',system-ui,sans-serif;
  --texto:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--arena);color:var(--tinta);font-family:var(--texto);font-size:1.0625rem;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--titulos);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.4rem,8vw,4.4rem)}
h2{font-size:clamp(1.9rem,5.5vw,3rem)}
h3{font-size:1.35rem;line-height:1.25}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--cobre-p);outline-offset:3px;border-radius:6px}
.contenedor{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.solo-lectores{position:absolute;left:-9999px}
.salto{position:absolute;left:12px;top:-60px;background:var(--tinta);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.salto:focus{top:12px}

/* Botones */
.boton{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:999px;font-weight:600;font-size:1.0625rem;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:var(--texto);text-align:center;line-height:1.2}
.boton-cobre{background:var(--cobre-p);color:#fff}
.boton-cobre:hover{background:#9d4619}
.boton-borde{border-color:var(--tinta);color:var(--tinta);background:transparent}
.boton-borde:hover{background:var(--tinta);color:#fff}
.boton-chico{min-height:44px;padding:0 20px;font-size:1rem}
.nota{font-size:.95rem;color:var(--suave);margin-top:14px}

/* Encabezado */
.cabecera{position:sticky;top:0;z-index:50;background:rgba(243,238,228,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--piedra)}
.cabecera .contenedor{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:12px}
.logo{display:flex;align-items:center;min-height:44px}
.logo img{height:30px;width:auto}
.menu{display:none;gap:6px;align-items:center}
.menu a:not(.boton){text-decoration:none;padding:10px 14px;border-radius:8px;font-weight:500;min-height:44px;display:inline-flex;align-items:center}
.menu a:not(.boton):hover{background:var(--arena2)}
.menu a[aria-current=page]{font-weight:700}
.boton-menu{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:2px solid var(--tinta);background:transparent;border-radius:999px;padding:0 16px;font:600 1rem var(--texto);color:var(--tinta);cursor:pointer}
.cabecera.abierto .menu{display:flex;flex-direction:column;align-items:stretch;position:absolute;left:0;right:0;top:100%;background:var(--arena);padding:12px 20px 20px;border-bottom:1px solid var(--piedra);gap:4px}
.cabecera.abierto .menu .boton{margin-top:8px}
@media(min-width:960px){
  .menu{display:flex}
  .boton-menu{display:none}
}

/* Secciones */
section{padding:72px 0}
.fondo-blanco{background:var(--blanco)}
.fondo-pino{background:var(--pino);color:#fff}
.fondo-pino .nota{color:#CFE0D8}
.sobre{font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.85rem;color:var(--cobre-txt);margin-bottom:14px}
.fondo-pino .sobre{color:#E9C9AF}
.intro{max-width:680px;font-size:1.2rem;color:var(--suave)}
.fondo-pino .intro{color:#E0EBE5}
.centrado{text-align:center}
.centrado .intro{margin-left:auto;margin-right:auto}

/* Portada */
.portada{padding:56px 0 72px}
.portada .contenedor{display:grid;gap:48px;align-items:center}
.portada .intro{margin-bottom:28px}
.acciones{display:flex;flex-wrap:wrap;gap:12px}
.moviles{display:flex;gap:16px;justify-content:center;align-items:flex-start}
.moviles .movil:nth-child(2){margin-top:48px}
@media(min-width:960px){
  section{padding:112px 0}
  .portada{padding:80px 0 112px}
  .portada .contenedor{grid-template-columns:1.05fr .95fr;gap:64px}
}

/* Marco de celular */
.movil{margin:0;flex:0 1 270px;min-width:0}
.movil .marco{border-radius:30px;border:8px solid var(--tinta);background:var(--tinta);overflow:hidden;box-shadow:0 24px 48px -24px rgba(20,33,29,.45)}
.movil .marco img{width:100%;border-radius:20px}
.movil figcaption{font-size:.9rem;color:var(--suave);text-align:center;margin-top:12px}
.fondo-pino .movil figcaption{color:#CFE0D8}
.escritorio{margin:0}
.escritorio .marco{border-radius:18px;border:1px solid var(--piedra);overflow:hidden;box-shadow:0 24px 48px -28px rgba(20,33,29,.4);background:#fff}
.escritorio figcaption{font-size:.9rem;color:var(--suave);margin-top:12px}

/* Problemas */
.problema{display:grid;gap:36px;align-items:center;padding:40px 0}
.problema + .problema{border-top:1px solid var(--piedra)}
.dolor{font-family:var(--titulos);font-size:1.15rem;font-weight:600;color:var(--cobre-txt);margin-bottom:10px}
.problema h3{font-size:clamp(1.6rem,4.5vw,2.4rem);letter-spacing:-.02em}
.problema p{color:var(--suave);font-size:1.15rem;max-width:520px}
@media(min-width:960px){
  .problema{grid-template-columns:1fr 1fr;gap:80px;padding:56px 0}
  .problema.invertido .imagenes{order:-1}
}

/* Pasos */
.pasos{list-style:none;margin:48px 0 0;padding:0;display:grid;gap:20px;counter-reset:p}
.pasos li{counter-increment:p;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:28px}
.pasos li::before{content:counter(p);display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--arena);color:var(--tinta);font:700 1.2rem var(--titulos);margin-bottom:18px}
.pasos h3{margin-bottom:.4em}
.pasos p{margin:0;color:#E0EBE5}
@media(min-width:760px){.pasos{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.pasos{grid-template-columns:repeat(4,1fr)}}

/* Planes */
.planes{display:grid;gap:20px;margin-top:48px}
.plan{background:#fff;border:1px solid var(--piedra);border-radius:24px;padding:32px 28px;display:flex;flex-direction:column}
.plan.sugerido{border:2px solid var(--tinta)}
.plan .etiqueta{align-self:flex-start;background:var(--tinta);color:#fff;border-radius:999px;padding:4px 14px;font-size:.85rem;font-weight:600;margin-bottom:14px}
.plan h3{font-size:1.7rem;margin-bottom:.1em}
.plan .para{color:var(--suave);margin-bottom:18px}
.precio{font-family:var(--titulos);font-weight:700;font-size:3rem;line-height:1;letter-spacing:-.03em}
.precio small{font-family:var(--texto);font-size:1rem;font-weight:500;color:var(--suave);letter-spacing:0}
.plan .personas{margin:6px 0 20px;color:var(--suave);font-size:.95rem}
.plan ul{list-style:none;padding:0;margin:0 0 24px;flex:1}
.plan li{padding:8px 0 8px 28px;position:relative;border-top:1px solid var(--arena2);font-size:1rem;line-height:1.45}
.plan li::before{content:"";position:absolute;left:2px;top:15px;width:12px;height:7px;border-left:2.5px solid var(--pino);border-bottom:2.5px solid var(--pino);transform:rotate(-45deg)}
.plan li.pronto::before{border-color:var(--suave)}
.pronto-marca{display:inline-block;background:var(--arena2);border-radius:999px;padding:1px 10px;font-size:.8rem;font-weight:600;margin-left:6px;color:var(--tinta)}
@media(min-width:960px){.planes{grid-template-columns:repeat(3,1fr);align-items:stretch}}

/* Preguntas */
.preguntas{max-width:780px;margin:40px auto 0}
details{border-top:1px solid var(--piedra)}
details:last-child{border-bottom:1px solid var(--piedra)}
summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-family:var(--titulos);font-weight:600;font-size:1.25rem;position:relative;min-height:44px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:1.8rem;font-weight:400;line-height:1}
details[open] summary::after{content:"\2212"}
details p{color:var(--suave);padding-right:40px;margin:0 0 24px}

/* Llamada final */
.llamada{text-align:center}
.llamada img{width:140px;margin:0 auto 24px}
.llamada .acciones{justify-content:center}

/* Funciones de cada embudo */
.funcion{display:grid;gap:32px;align-items:center;padding:40px 0}
.funcion + .funcion{border-top:1px solid var(--piedra)}
.funcion h3{font-size:clamp(1.5rem,4vw,2.1rem)}
.funcion p{color:var(--suave);font-size:1.12rem;max-width:520px}
.funcion .imagenes{display:flex;gap:16px;justify-content:center;align-items:flex-start}
@media(min-width:960px){
  .funcion{grid-template-columns:1fr 1fr;gap:80px;padding:56px 0}
  .funcion.invertido .imagenes{order:-1}
}
.lista-simple{list-style:none;padding:0;margin:16px 0 0}
.lista-simple li{padding:6px 0 6px 28px;position:relative;color:var(--tinta);font-size:1.05rem}
.lista-simple li::before{content:"";position:absolute;left:2px;top:14px;width:12px;height:7px;border-left:2.5px solid var(--pino);border-bottom:2.5px solid var(--pino);transform:rotate(-45deg)}
.encabezado-embudo{padding:56px 0 24px}
.encabezado-embudo .intro{margin-bottom:28px}
.sugerido-caja{background:#fff;border:1px solid var(--piedra);border-radius:24px;padding:32px 28px;max-width:760px;margin:0 auto;text-align:left}
.sugerido-caja .precio{margin:8px 0 4px}
.otros{display:grid;gap:12px;margin-top:32px}
.otros a{display:block;background:#fff;border:1px solid var(--piedra);border-radius:16px;padding:20px 22px;text-decoration:none;min-height:44px}
.otros a:hover{border-color:var(--tinta)}
.otros strong{display:block;font-family:var(--titulos);font-size:1.2rem}
.otros span{color:var(--suave);font-size:.98rem}
@media(min-width:760px){.otros{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.otros.cuatro{grid-template-columns:repeat(4,1fr)}}

/* Pie */
.pie{background:var(--tinta);color:#E7E2D6;padding:56px 0 40px;font-size:1rem}
.pie .contenedor{display:grid;gap:32px}
.pie img{height:30px;width:auto;margin-bottom:12px}
.pie ul{list-style:none;padding:0;margin:0}
.pie li a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}
.pie li a:hover{text-decoration:underline}
.pie h2{font-size:1rem;font-family:var(--texto);font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#fff;margin-bottom:6px}
.pie small{color:#B9C4BE;display:block;margin-top:24px}
@media(min-width:760px){.pie .contenedor{grid-template-columns:1.4fr 1fr 1fr}}

@media(max-width:420px){
  .contenedor{padding:0 16px}
  .moviles{gap:10px}
  .moviles .movil:nth-child(2){margin-top:28px}
  .movil .marco{border-width:6px;border-radius:24px}
  .movil .marco img{border-radius:16px}
  .acciones .boton{width:100%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.aparte{margin-top:32px}
.angosto{max-width:420px;width:100%}
.sugerido-caja .personas{color:var(--suave)}
.otros.auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}