:root{
  --tinta:#36495a;--papel:#f3eee7;--blanco:#fffdfa;--terracota:#e8a85a;
  --menta:#a9c6bf;--lavanda:#c9bad8;--verde:#b7cc8a;--arena:#d9c6aa;
  --linea:#d8d0c7;--suave:#75808a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--papel);color:var(--tinta);font-family:Arial,Helvetica,sans-serif;line-height:1.56}
a{color:inherit;text-decoration:none}img{display:block;width:100%}button,input,textarea,select{font:inherit}
.cabecera{
  position:sticky;top:0;z-index:80;display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center;
  padding:.85rem 1.2rem;background:#fffdfaed;backdrop-filter:blur(14px);border-bottom:1px solid var(--linea)
}
.marca{font-weight:900;letter-spacing:.05em}.nav{display:flex;justify-content:center;gap:.4rem;flex-wrap:wrap}
.nav a{font-size:.74rem;padding:.58rem .72rem;border-radius:999px}.nav a:hover,.nav a.activo{background:var(--tinta);color:#fff}
.sello{font-size:.68rem;color:var(--suave)}
.portada{min-height:82vh;display:grid;grid-template-columns:.95fr 1.05fr;gap:4vw;align-items:center;padding:6vw 5vw}
.etiqueta{font-size:.64rem;letter-spacing:.2em;font-weight:900;color:#9b6429}
h1,h2,h3{letter-spacing:-.04em}h1{font-size:clamp(4rem,7vw,7rem);line-height:.86;margin:.6rem 0 1.2rem}
.portada p,.seccion p{color:var(--suave);max-width:650px}.portada img{border:1px solid var(--tinta);border-radius:28px}
.acciones{display:flex;gap:.6rem;flex-wrap:wrap}.boton{display:inline-flex;padding:.82rem .95rem;border:1px solid var(--tinta);background:#fff;font-weight:800;cursor:pointer;border-radius:10px}.boton.principal{background:var(--tinta);color:#fff}
.resumen{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--linea)}.resumen article{padding:1rem 1.2rem;border-right:1px solid var(--linea)}.resumen b{display:block;font-size:1.8rem;color:#9b6429}.resumen span{font-size:.72rem;color:var(--suave)}
.seccion{padding:6vw 5vw}.cabecera-seccion{display:grid;grid-template-columns:.8fr 1.2fr;gap:4vw;align-items:end;margin-bottom:2rem}.cabecera-seccion h2{font-size:clamp(2.8rem,5vw,5rem);line-height:.94;margin:.3rem 0}

.plano-app{display:grid;grid-template-columns:1.15fr .85fr;gap:1rem;align-items:start}
.plano{position:relative;min-height:560px;background:#f8f3ec;border:1px solid var(--linea);border-radius:24px;overflow:hidden}
.plano img{height:100%;object-fit:cover}
.habitacion-btn{position:absolute;border:0;border-radius:999px;background:var(--tinta);color:#fff;padding:.6rem .78rem;font-weight:800;box-shadow:0 8px 20px #36495a30;cursor:pointer}
.habitacion-btn.activa{background:var(--terracota);color:#2f3337}
.sala{left:17%;top:28%}.cocina{right:15%;top:28%}.dormitorio{left:14%;bottom:22%}.estudio{right:16%;bottom:22%}
.panel-zona{position:sticky;top:86px;background:#fff;border:1px solid var(--linea);padding:1.4rem;border-radius:24px}
.panel-zona strong{display:block;font-size:2rem}.progreso-zona{height:14px;background:#e9e4de;border-radius:999px;overflow:hidden;margin:1rem 0}.progreso-zona span{display:block;height:100%;width:0;background:var(--menta);transition:.25s}
.lista-tareas{display:grid;gap:.55rem}.tarea{display:flex;gap:.65rem;align-items:center;padding:.7rem;border:1px solid var(--linea);background:#faf8f4;border-radius:10px}.tarea input{accent-color:var(--terracota)}
.estado-zona{display:flex;justify-content:space-between;margin-top:1rem;font-size:.78rem}.estado-zona b{color:#9b6429}

.temporizador{display:grid;grid-template-columns:.8fr 1.2fr;gap:4vw}
.reloj{background:var(--tinta);color:#fff;border-radius:28px;padding:1.5rem;display:grid;place-items:center;min-height:350px}
.reloj-circulo{width:240px;height:240px;border-radius:50%;display:grid;place-items:center;border:18px solid #ffffff22;outline:12px solid var(--terracota)}
.reloj-circulo strong{font-size:3.2rem}.controles{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem;justify-content:center}.controles button{border:1px solid #ffffff55;background:#ffffff14;color:#fff;padding:.65rem .8rem}.controles button.activo{background:var(--terracota);color:#2e3134;border-color:var(--terracota)}
.pasos{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.paso{background:#fff;border:1px solid var(--linea);padding:1.2rem;border-radius:18px}.paso b{color:#9b6429}.paso p{color:var(--suave)}
.planes{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.plan{background:#fff;border:1px solid var(--linea);padding:1.3rem;border-radius:18px}.plan.destacado{border-color:var(--terracota);box-shadow:0 0 0 4px #e8a85a22}.plan strong{font-size:1.5rem;color:#9b6429}.plan ul{padding-left:1.1rem;color:var(--suave)}
.cabecera-pagina{padding:7vw 5vw 3vw;background:#ebe5dc;border-bottom:1px solid var(--linea)}.cabecera-pagina h1{font-size:clamp(3.7rem,7vw,7rem)}
.formulario{display:grid;gap:1rem;max-width:760px}.campo label{display:block;font-size:.7rem;font-weight:800;margin-bottom:.35rem}.campo input,.campo textarea,.campo select{width:100%;padding:.85rem;border:1px solid var(--linea);background:#fff;border-radius:10px}.estado-formulario{min-height:1.2em;color:#9b6429;font-weight:800}
.pie{padding:3rem 5vw;border-top:1px solid var(--linea);display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:2rem;background:#fff}.pie p,.pie a{display:block;color:var(--suave);font-size:.8rem;margin:.25rem 0}
@media(max-width:980px){.portada,.plano-app,.temporizador{grid-template-columns:1fr}.cabecera-seccion{grid-template-columns:1fr}.panel-zona{position:static}.pasos,.planes{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.cabecera{grid-template-columns:1fr auto}.nav{grid-column:1/-1;justify-content:flex-start;overflow:auto;flex-wrap:nowrap}.nav a{white-space:nowrap}.sello{display:none}.portada,.seccion,.cabecera-pagina{padding-left:20px;padding-right:20px}.resumen,.pasos,.planes{grid-template-columns:1fr}.plano{min-height:420px}.habitacion-btn{font-size:.68rem;padding:.5rem .6rem}.pie{grid-template-columns:1fr}.reloj-circulo{width:190px;height:190px}}