:root {
  --granate: #7a1f2b; --granate-2: #9b2c3b; --granate-osc: #5a121d; --oro: #e2b857; --oro-claro: #f6e6bd;
  --fondo: #fbfaf7; --fondo-2: #f3efe7; --tarjeta: #ffffff; --texto: #1f2430; --suave: #5b6170; --borde: #e4ddd0;
  --verde: #1f7a55; --sombra: 0 10px 30px rgba(60, 20, 20, .08);
  --serif: Georgia, 'Times New Roman', serif; --sans: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fondo: #16130f; --fondo-2: #1f1b16; --tarjeta: #242019; --texto: #ece6da; --suave: #b3ab9c; --borde: #3a342b;
    --granate: #d0677a; --granate-2: #e0889a; --granate-osc: #3a0f16; --oro-claro: #3b3220; --sombra: 0 10px 30px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 17px/1.6 var(--sans); }
a { color: var(--granate); }
img { max-width: 100%; display: block; }
.env { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* cabecera */
.cab { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--fondo) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borde); }
.cab .env { display: flex; align-items: center; gap: 22px; height: 64px; }
.marca { display: flex; align-items: center; gap: 10px; font: 700 21px var(--serif); color: var(--texto); text-decoration: none; }
.marca-logo { width: 36px; height: 36px; border-radius: 9px; background: linear-gradient(145deg, var(--oro), #c9953a); color: #3a1a10;
  display: grid; place-items: center; font: 700 21px var(--serif); }
.marca small { font: 600 12px var(--sans); color: #fff; background: var(--granate); padding: 2px 7px; border-radius: 6px; margin-left: 2px; }
.cab nav { margin-left: auto; display: flex; gap: 20px; align-items: center; }
.cab nav a { color: var(--suave); text-decoration: none; font-size: 15px; }
.cab nav a:hover { color: var(--granate); }
.boton { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 10px; border: 1px solid var(--granate);
  background: var(--granate); color: #fff !important; text-decoration: none; font-weight: 600; font-size: 16px; cursor: pointer; }
.boton:hover { background: var(--granate-2); }
.boton.sec { background: transparent; color: var(--granate) !important; }
.boton.peq { padding: 7px 14px; font-size: 14px; }

/* portada */
.hero { background: radial-gradient(1200px 500px at 80% -10%, color-mix(in srgb, var(--oro) 28%, transparent), transparent),
  linear-gradient(160deg, var(--granate-osc), var(--granate)); color: #fff; }
.hero .env { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 80px; }
.hero .desc { text-transform: uppercase; letter-spacing: .14em; font-size: 13px; color: var(--oro); font-weight: 700; }
.hero h1 { font: 700 58px/1.05 var(--serif); margin: 10px 0 18px; }
.hero p.lead { font-size: 20px; color: #f3e9e3; margin: 0 0 28px; }
.hero .botones { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .boton { background: var(--oro); border-color: var(--oro); color: #2d1408 !important; }
.hero .boton.sec { background: transparent; border-color: #f0d9a6; color: #fff !important; }
.hero .sello { margin-top: 26px; display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; color: #f0dcd4; }
.hero .sello span::before { content: '✓ '; color: var(--oro); font-weight: 700; }
.captura { border-radius: 14px; overflow: hidden; box-shadow: 0 30px 60px rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .18); background: #fff; }
.captura .barra { height: 26px; background: #eee; display: flex; gap: 6px; align-items: center; padding: 0 10px; }
.captura .barra i { width: 10px; height: 10px; border-radius: 50%; background: #d6d2cc; }

/* secciones */
section.bloque { padding: 84px 0; }
section.alt { background: var(--fondo-2); }
.tit-sec { text-align: center; max-width: 760px; margin: 0 auto 46px; }
.tit-sec .kicker { color: var(--granate); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: 13px; }
.tit-sec h2 { font: 700 38px/1.15 var(--serif); margin: 8px 0 12px; }
.tit-sec p { color: var(--suave); margin: 0; font-size: 18px; }
.pilares { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pilar { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 22px; box-shadow: var(--sombra); }
.pilar .ico { font-size: 28px; }
.pilar h3 { font: 700 19px var(--serif); margin: 10px 0 6px; }
.pilar p { margin: 0; color: var(--suave); font-size: 15px; }
.funciones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.funcion { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 22px 22px 18px; }
.funcion h3 { margin: 0 0 8px; font: 700 19px var(--serif); color: var(--granate); }
.funcion ul { margin: 0; padding-left: 18px; color: var(--suave); font-size: 15px; }
.funcion li { margin: 3px 0; }
.galeria { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 46px; }
.galeria figure { margin: 0; }
.galeria figcaption { font-size: 14px; color: var(--suave); margin-top: 8px; text-align: center; }

/* capas */
.capas { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: stretch; gap: 0; }
.capa { background: var(--tarjeta); border: 2px solid var(--borde); border-radius: 16px; padding: 26px; }
.capa.local { border-color: var(--verde); }
.capa.nube { border-color: var(--granate); }
.capa h3 { margin: 0 0 4px; font: 700 22px var(--serif); }
.capa .sub { color: var(--suave); font-size: 14px; margin-bottom: 14px; }
.capa ul { margin: 0; padding-left: 20px; }
.capa li { margin: 5px 0; }
.flechas { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 10px; color: var(--suave); font-size: 12px; text-align: center; }
.flechas b { font-size: 24px; color: var(--granate); }
.nunca { margin-top: 22px; background: var(--oro-claro); border: 1px solid var(--oro); border-radius: 12px; padding: 16px 20px; text-align: center; }

/* acceso */
.acceso { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
form.tarjeta, .tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 16px; padding: 26px; box-shadow: var(--sombra); }
label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea { width: 100%; font: inherit; font-size: 16px; padding: 10px 12px; border: 1px solid var(--borde); border-radius: 9px;
  background: var(--fondo); color: var(--texto); }
textarea { min-height: 90px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; }
.check input { width: auto; margin-top: 4px; }
.trampa { position: absolute; left: -9999px; }
.msg { margin-top: 12px; padding: 12px 14px; border-radius: 9px; display: none; }
.msg.ok { display: block; background: #e3f4ec; color: #14573c; }
.msg.error { display: block; background: #fbe6e8; color: #7a1f2b; }
.planes { display: grid; gap: 12px; }
.plan { border: 1px solid var(--borde); border-radius: 12px; padding: 16px 18px; background: var(--tarjeta); }
.plan b { font-family: var(--serif); font-size: 18px; }
.plan p { margin: 4px 0 0; color: var(--suave); font-size: 15px; }
details.faq { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 12px; padding: 14px 18px; margin: 10px 0; }
details.faq summary { cursor: pointer; font-weight: 600; }
details.faq p { color: var(--suave); margin: 10px 0 2px; }
.faqs { max-width: 820px; margin: 0 auto; }

/* pie */
footer { background: #1d1612; color: #cfc6b8; padding: 44px 0; font-size: 14px; }
footer .env { display: flex; gap: 30px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: #f0d9a6; }
.legal { max-width: 820px; margin: 0 auto; padding: 50px 20px 80px; }
.legal h1 { font: 700 34px var(--serif); }
.legal h2 { font: 700 22px var(--serif); margin-top: 30px; }

@media (max-width: 900px) {
  .hero .env, .acceso { grid-template-columns: 1fr; }
  .hero h1 { font-size: 42px; }
  .pilares { grid-template-columns: 1fr 1fr; }
  .funciones, .galeria { grid-template-columns: 1fr; }
  .capas { grid-template-columns: 1fr; gap: 12px; }
  .flechas { flex-direction: row; }
  .cab nav a:not(.boton) { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .env { padding: 0 16px; }
  .pilares { grid-template-columns: 1fr; }
  .tit-sec h2 { font-size: 30px; }
  .hero h1 { font-size: 36px; }
  section.bloque { padding: 60px 0; }
}
@media (max-width: 560px) {
  .cab nav { gap: 6px; }
  .cab nav .boton.peq { padding: 7px 10px; font-size: 13px; }
  .cab nav .boton:not(.sec) { display: none; }      /* 1.23: en el móvil, Iniciar sesión y Crear cuenta (el programa es para Windows) */
  .marca { font-size: 18px; }
  .cab .env { gap: 10px; }
}
/* Logo de Calificar: colores fijos (granate, marfil y oro) */
.marca img.logo { height: 40px; width: auto; display: block; border-radius: 7px; }
@media (max-width: 700px) { .marca img.logo { height: 32px; } }

/* 1.18: los pasos para empezar, en la portada (en lugar de las capturas) */
.pasos-hero { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .22); border-radius: 18px; padding: 28px 30px; }
.pasos-hero h3 { font: 700 24px var(--serif); margin: 0 0 16px; color: #fff; }
.pasos-hero ol { list-style: none; counter-reset: paso; margin: 0; padding: 0; display: grid; gap: 14px; }
.pasos-hero li { counter-increment: paso; display: grid; grid-template-columns: 38px 1fr; column-gap: 12px; }
.pasos-hero li::before { content: counter(paso); grid-row: span 2; width: 34px; height: 34px; border-radius: 50%; background: var(--oro); color: #2d1408;
  display: grid; place-items: center; font: 700 17px var(--serif); }
.pasos-hero li b { color: #fff; font-size: 17px; }
.pasos-hero li span { color: #f0dcd4; font-size: 15px; }