:root{
    --marino-950:#070d1a; --marino-900:#0b1428; --marino-800:#101c39;
    --marino-700:#16264c; --marino-500:#2f4880; --marino-100:#d5deee; --marino-50:#eef2f9;
    --verde-500:#0fa972; --verde-400:#22c48a; --verde-100:#c3f4e2; --verde-50:#e7fbf3;
    --azul-600:#1d56eb; --azul-500:#3b76f6; --azul-50:#eff5ff;
    --tinta:#101c39; --tinta-suave:#4a5673; --linea:#e3e8f2; --papel:#ffffff; --papel-gris:#f7f9fc;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0; background:var(--papel); color:var(--tinta);
    font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    line-height:1.65; -webkit-font-smoothing:antialiased;
  }
  .contenedor{width:100%; max-width:1080px; margin:0 auto; padding:0 24px}
  a{color:var(--azul-600)}

  /* --- Cabecera --- */
  header{position:sticky; top:0; z-index:10; background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px); border-bottom:1px solid var(--linea)}
  .barra{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0}
  .marca{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--marino-900)}
  .marca img{height:34px; width:auto; display:block}
  .marca b{font-size:1.15rem; letter-spacing:.04em}
  nav{display:flex; align-items:center; gap:26px}
  nav a{color:var(--tinta-suave); text-decoration:none; font-size:.94rem; font-weight:500}
  nav a:hover{color:var(--marino-900)}
  .boton{display:inline-block; background:var(--azul-600); color:#fff; text-decoration:none;
    padding:10px 18px; border-radius:8px; font-weight:600; font-size:.94rem;
    box-shadow:0 1px 2px rgb(16 28 57 / .12)}
  .boton:hover{background:#1642d8}
  .boton.claro{background:#fff; color:var(--marino-800); border:1px solid var(--linea)}
  .boton.claro:hover{background:var(--marino-50)}
  @media(max-width:720px){ nav .oculta-movil{display:none} }

  /* --- Portada --- */
  .portada{background:linear-gradient(160deg,var(--marino-900) 0%,var(--marino-700) 55%,var(--marino-500) 100%);
    color:#fff; padding:84px 0 92px}
  .sello{display:inline-flex; align-items:center; gap:8px; background:rgb(34 196 138 / .16);
    border:1px solid rgb(34 196 138 / .35); color:var(--verde-100);
    padding:6px 14px; border-radius:999px; font-size:.82rem; font-weight:600; letter-spacing:.02em}
  .portada h1{font-size:clamp(2rem,4.6vw,3.1rem); line-height:1.16; margin:22px 0 18px; letter-spacing:-.02em}
  .portada h1 span{color:var(--verde-400)}
  .portada p{font-size:1.12rem; color:var(--marino-100); max-width:62ch; margin:0 0 30px}
  .acciones{display:flex; flex-wrap:wrap; gap:12px}

  /* --- Bloques --- */
  section{padding:76px 0}
  section.gris{background:var(--papel-gris); border-top:1px solid var(--linea); border-bottom:1px solid var(--linea)}
  .rotulo{color:var(--verde-500); font-weight:700; font-size:.8rem; letter-spacing:.12em; text-transform:uppercase; margin:0 0 10px}
  h2{font-size:clamp(1.5rem,2.9vw,2.05rem); line-height:1.25; margin:0 0 16px; letter-spacing:-.015em}
  .entradilla{color:var(--tinta-suave); font-size:1.05rem; max-width:68ch; margin:0 0 40px}

  .rejilla{display:grid; gap:22px; grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
  .tarjeta{background:#fff; border:1px solid var(--linea); border-radius:14px; padding:26px;
    box-shadow:0 1px 3px rgb(16 28 57 / .06)}
  .tarjeta h3{margin:0 0 8px; font-size:1.06rem}
  .tarjeta p{margin:0; color:var(--tinta-suave); font-size:.96rem}
  .numero{display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px;
    border-radius:9px; background:var(--verde-50); color:var(--verde-500);
    font-weight:700; margin-bottom:14px; border:1px solid var(--verde-100)}

  /* --- Correo (la sección que explica qué enviamos) --- */
  .panel{background:#fff; border:1px solid var(--linea); border-left:4px solid var(--verde-500);
    border-radius:12px; padding:28px 30px}
  .panel + .panel{margin-top:18px}
  .panel h3{margin:0 0 10px; font-size:1.05rem; color:var(--marino-800)}
  .panel p{margin:0; color:var(--tinta-suave); font-size:.97rem}
  .lista{margin:0; padding:0; list-style:none}
  .lista li{position:relative; padding-left:30px; margin-bottom:14px; color:var(--tinta-suave)}
  .lista li:last-child{margin-bottom:0}
  .lista li::before{content:"✓"; position:absolute; left:0; top:-1px; width:20px; height:20px;
    display:flex; align-items:center; justify-content:center; border-radius:50%;
    background:var(--verde-50); color:var(--verde-500); font-size:.72rem; font-weight:700;
    border:1px solid var(--verde-100)}
  .lista li b{color:var(--tinta)}

  /* --- Precios --- */
  .rejilla-precios{display:grid; gap:22px; grid-template-columns:repeat(3,minmax(0,1fr)); align-items:stretch}
  .tarjeta-precio{display:flex; flex-direction:column}
  .tarjeta-precio .plan-para{color:var(--tinta-suave); font-size:.9rem; margin:0 0 18px}
  .tarjeta-precio .precio{margin:0; color:var(--marino-900); font-weight:700; line-height:1.05;
    font-size:clamp(1.7rem,2.6vw,2.05rem); letter-spacing:-.02em}
  .tarjeta-precio .precio span{display:block; font-size:.9rem; font-weight:500; color:var(--tinta-suave);
    letter-spacing:0; margin-top:4px}
  .tarjeta-precio .lista{margin:20px 0 26px; padding-top:20px; border-top:1px solid var(--linea)}
  .tarjeta-precio .lista li{margin-bottom:11px; font-size:.93rem}
  .tarjeta-precio .boton{text-align:center; margin-top:auto}
  .tarjeta-precio.destacada{position:relative; border-color:var(--verde-500);
    box-shadow:0 0 0 1px var(--verde-500), 0 12px 28px rgb(15 169 114 / .15)}
  .etiqueta-plan{position:absolute; top:0; left:50%; transform:translate(-50%,-50%); white-space:nowrap;
    background:#fff; border:1px solid var(--verde-500); color:var(--verde-500);
    padding:4px 14px; border-radius:999px; font-size:.72rem; font-weight:700;
    letter-spacing:.1em; text-transform:uppercase}
  .nota-mensual{text-align:center; color:var(--tinta-suave); font-size:.95rem; margin:30px 0 0}
  /* Con la cabecera fija, los anclajes del menú no deben quedar ocultos bajo ella */
  section[id]{scroll-margin-top:78px}
  @media(max-width:860px){ .rejilla-precios{grid-template-columns:1fr; max-width:460px; margin:0 auto} }
  @media(max-width:820px){ nav{gap:18px} }

  /* --- Contacto --- */
  .contacto{background:var(--marino-900); color:#fff; border-radius:16px; padding:44px 40px; text-align:center}
  .contacto h2{color:#fff; margin-bottom:12px}
  .contacto p{color:var(--marino-100); max-width:56ch; margin:0 auto 26px}
  .contacto p.telefono{margin:16px auto 0; font-size:1.02rem}
  .contacto p.telefono a{color:var(--verde-400); text-decoration:none; font-weight:600}
  .contacto p.telefono a:hover{text-decoration:underline}
  .correo{display:inline-block; font-size:1.2rem; font-weight:600; color:var(--verde-400); text-decoration:none}
  .correo:hover{text-decoration:underline}

  footer{border-top:1px solid var(--linea); padding:38px 0; color:var(--tinta-suave); font-size:.9rem}
  .pie{display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center}
  footer a{color:var(--tinta-suave)}

/* --- Páginas interiores --- */
.cabecera-pagina{padding:52px 0 8px}
.cabecera-pagina h1{font-size:clamp(1.75rem,3.6vw,2.5rem); line-height:1.22; margin:0 0 16px; letter-spacing:-.02em}
.migas{font-size:.86rem; color:var(--tinta-suave); margin:0 0 22px}
.migas a{color:var(--tinta-suave); text-decoration:none}
.migas a:hover{color:var(--azul-600); text-decoration:underline}

.prosa{max-width:74ch}
.prosa h2{margin-top:44px}
.prosa h2:first-child{margin-top:0}
.prosa h3{margin:26px 0 8px; font-size:1.08rem}
.prosa p{color:var(--tinta-suave); margin:0 0 15px}
.prosa ul{color:var(--tinta-suave); padding-left:22px; margin:0 0 15px}
.prosa li{margin-bottom:9px}
.prosa strong{color:var(--tinta); font-weight:600}
.prosa em{color:var(--tinta); font-style:italic}

.pregunta{border-bottom:1px solid var(--linea); padding:24px 0}
.pregunta:first-child{padding-top:0}
.pregunta:last-child{border-bottom:0}
.pregunta h3{margin:0 0 10px; font-size:1.1rem; color:var(--marino-900)}
.pregunta p{margin:0 0 10px}
.pregunta p:last-child{margin-bottom:0}